/* * tkWinWm.c -- * * This module takes care of the interactions between a Tk-based * application and the window manager. Among other things, it implements * the "wm" command and passes geometry information to the window * manager. * * Copyright (c) 1995-1997 Sun Microsystems, Inc. * Copyright (c) 1998-2000 by Scriptics Corporation. * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ #include "tkWinInt.h" #include /* * These next two defines are only valid on Win2K/XP+. */ #ifndef WS_EX_LAYERED #define WS_EX_LAYERED 0x00080000 #endif #ifndef LWA_COLORKEY #define LWA_COLORKEY 0x00000001 #endif #ifndef LWA_ALPHA #define LWA_ALPHA 0x00000002 #endif /* * Event structure for synthetic activation events. These events are placed on * the event queue whenever a toplevel gets a WM_MOUSEACTIVATE message or * a WM_ACTIVATE. If the window is being moved (*flagPtr will be true) * then the handling of this event must be delayed until the operation * has completed to avoid a premature WM_EXITSIZEMOVE event. */ typedef struct ActivateEvent { Tcl_Event ev; TkWindow *winPtr; const int *flagPtr; HWND hwnd; } ActivateEvent; /* * A data structure of the following type holds information for each window * manager protocol (such as WM_DELETE_WINDOW) for which a handler (i.e. a Tcl * command) has been defined for a particular top-level window. */ typedef struct ProtocolHandler { Atom protocol; /* Identifies the protocol. */ struct ProtocolHandler *nextPtr; /* Next in list of protocol handlers for the * same top-level window, or NULL for end of * list. */ Tcl_Interp *interp; /* Interpreter in which to invoke command. */ char command[1]; /* Tcl command to invoke when a client message * for this protocol arrives. The actual size * of the structure varies to accommodate the * needs of the actual command. THIS MUST BE * THE LAST FIELD OF THE STRUCTURE. */ } ProtocolHandler; #define HANDLER_SIZE(cmdLength) \ ((unsigned) ((Tk_Offset(ProtocolHandler, command) + 1) + cmdLength)) /* * Helper type passed via lParam to TkWmStackorderToplevelEnumProc */ typedef struct TkWmStackorderToplevelPair { Tcl_HashTable *table; TkWindow **windowPtr; } TkWmStackorderToplevelPair; /* * This structure represents the contents of a icon, in terms of its image. * The HICON is an internal Windows format. Most of these icon-specific * structures originated with the Winico extension. We stripped out unused * parts of that code, and integrated the code more naturally with Tcl. */ typedef struct { UINT Width, Height, Colors; /* Width, Height and bpp */ LPBYTE lpBits; /* Ptr to DIB bits */ DWORD dwNumBytes; /* How many bytes? */ LPBITMAPINFO lpbi; /* Ptr to header */ LPBYTE lpXOR; /* Ptr to XOR image bits */ LPBYTE lpAND; /* Ptr to AND image bits */ HICON hIcon; /* DAS ICON */ } ICONIMAGE, *LPICONIMAGE; /* * This structure is how we represent a block of the above items. We will * reallocate these structures according to how many images they need to * contain. */ typedef struct { int nNumImages; /* How many images? */ ICONIMAGE IconImages[1]; /* Image entries */ } BlockOfIconImages, *BlockOfIconImagesPtr; /* * These two structures are used to read in icons from an 'icon directory' * (i.e. the contents of a .icr file, say). We only use these structures * temporarily, since we copy the information we want into a * BlockOfIconImages. */ typedef struct { BYTE bWidth; /* Width of the image */ BYTE bHeight; /* Height of the image (times 2) */ BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */ BYTE bReserved; /* Reserved */ WORD wPlanes; /* Color Planes */ WORD wBitCount; /* Bits per pixel */ DWORD dwBytesInRes; /* How many bytes in this resource? */ DWORD dwImageOffset; /* Where in the file is this image */ } ICONDIRENTRY, *LPICONDIRENTRY; typedef struct { WORD idReserved; /* Reserved */ WORD idType; /* Resource type (1 for icons) */ WORD idCount; /* How many images? */ ICONDIRENTRY idEntries[1]; /* The entries for each image */ } ICONDIR, *LPICONDIR; /* * A pointer to one of these strucutures is associated with each toplevel. * This allows us to free up all memory associated with icon resources when a * window is deleted or if the window's icon is changed. They are simply * reference counted according to: * * (1) How many WmInfo structures point to this object * (2) Whether the ThreadSpecificData defined in this file contains a pointer * to this object. * * The former count is for windows whose icons are individually set, and the * latter is for the global default icon choice. * * Icons loaded from .icr/.icr use the iconBlock field, icons loaded from * .exe/.dll use the hIcon field. */ typedef struct WinIconInstance { size_t refCount; /* Number of instances that share this data * structure. */ BlockOfIconImagesPtr iconBlock; /* Pointer to icon resource data for image */ } WinIconInstance; typedef struct WinIconInstance *WinIconPtr; /* * A data structure of the following type holds window-manager-related * information for each top-level window in an application. */ typedef struct TkWmInfo { TkWindow *winPtr; /* Pointer to main Tk information for this * window. */ HWND wrapper; /* This is the decorative frame window created * by the window manager to wrap a toplevel * window. This window is a direct child of * the root window. */ char *title; /* Title to display in window caption. If * NULL, use name of widget. Malloced. */ char *iconName; /* Name to display in icon. Malloced. */ XWMHints hints; /* Various pieces of information for window * manager. */ char *leaderName; /* Path name of leader of window group * (corresponds to hints.window_group). * Malloc-ed. Note: this field doesn't get * updated if leader is destroyed. */ TkWindow *masterPtr; /* Master window for TRANSIENT_FOR property, * or NULL. */ Tk_Window icon; /* Window to use as icon for this window, or * NULL. */ Tk_Window iconFor; /* Window for which this window is icon, or * NULL if this isn't an icon for anyone. */ /* * Information used to construct an XSizeHints structure for the window * manager: */ int defMinWidth, defMinHeight, defMaxWidth, defMaxHeight; /* Default resize limits given by system. */ int sizeHintsFlags; /* Flags word for XSizeHints structure. If the * PBaseSize flag is set then the window is * gridded; otherwise it isn't gridded. */ int minWidth, minHeight; /* Minimum dimensions of window, in pixels or * grid units. */ int maxWidth, maxHeight; /* Maximum dimensions of window, in pixels or * grid units. 0 to default. */ Tk_Window gridWin; /* Identifies the window that controls * gridding for this top-level, or NULL if the * top-level isn't currently gridded. */ int widthInc, heightInc; /* Increments for size changes (# pixels per * step). */ struct { int x; /* numerator */ int y; /* denominator */ } minAspect, maxAspect; /* Min/max aspect ratios for window. */ int reqGridWidth, reqGridHeight; /* The dimensions of the window (in grid * units) requested through the geometry * manager. */ int gravity; /* Desired window gravity. */ /* * Information used to manage the size and location of a window. */ int width, height; /* Desired dimensions of window, specified in * pixels or grid units. These values are set * by the "wm geometry" command and by * ConfigureNotify events (for when wm resizes * window). -1 means user hasn't requested * dimensions. */ int x, y; /* Desired X and Y coordinates for window. * These values are set by "wm geometry", plus * by ConfigureNotify events (when wm moves * window). These numbers are different than * the numbers stored in winPtr->changes * because (a) they could be measured from the * right or bottom edge of the screen (see * WM_NEGATIVE_X and WM_NEGATIVE_Y flags) and * (b) if the window has been reparented then * they refer to the parent rather than the * window itself. */ int borderWidth, borderHeight; /* Width and height of window dressing, in * pixels for the current style/exStyle. This * includes the border on both sides of the * window. */ int configX, configY; /* x,y position of toplevel when window is * switched into fullscreen state, */ int configWidth, configHeight; /* Dimensions passed to last request that we * issued to change geometry of window. Used * to eliminate redundant resize operations */ HMENU hMenu; /* the hMenu associated with this menu */ DWORD style, exStyle; /* Style flags for the wrapper window. */ LONG styleConfig; /* Extra user requested style bits */ LONG exStyleConfig; /* Extra user requested extended style bits */ Tcl_Obj *crefObj; /* COLORREF object for transparent handling */ COLORREF colorref; /* COLORREF for transparent handling */ double alpha; /* Alpha transparency level 0.0 (fully * transparent) .. 1.0 (opaque) */ /* * List of children of the toplevel which have private colormaps. */ TkWindow **cmapList; /* Array of window with private colormaps. */ int cmapCount; /* Number of windows in array. */ /* * Miscellaneous information. */ ProtocolHandler *protPtr; /* First in list of protocol handlers for this * window (NULL means none). */ int cmdArgc; /* Number of elements in cmdArgv below. */ const char **cmdArgv; /* Array of strings to store in the WM_COMMAND * property. NULL means nothing available. */ char *clientMachine; /* String to store in WM_CLIENT_MACHINE * property, or NULL. */ int flags; /* Miscellaneous flags, defined below. */ int numTransients; /* Number of transients on this window */ WinIconPtr iconPtr; /* Pointer to titlebar icon structure for this * window, or NULL. */ struct TkWmInfo *nextPtr; /* Next in list of all top-level windows. */ } WmInfo; /* * Flag values for WmInfo structures: * * WM_NEVER_MAPPED - Non-zero means window has never been mapped; * need to update all info when window is first * mapped. * WM_UPDATE_PENDING - Non-zero means a call to UpdateGeometryInfo * has already been scheduled for this window; * no need to schedule another one. * WM_NEGATIVE_X - Non-zero means x-coordinate is measured in * pixels from right edge of screen, rather than * from left edge. * WM_NEGATIVE_Y - Non-zero means y-coordinate is measured in * pixels up from bottom of screen, rather than * down from top. * WM_UPDATE_SIZE_HINTS - Non-zero means that new size hints need to be * propagated to window manager. Not used on Win. * WM_SYNC_PENDING - Set to non-zero while waiting for the window * manager to respond to some state change. * WM_MOVE_PENDING - Non-zero means the application has requested a * new position for the window, but it hasn't * been reflected through the window manager yet. * WM_COLORMAPS_EXPLICIT - Non-zero means the colormap windows were set * explicitly via "wm colormapwindows". * WM_ADDED_TOPLEVEL_COLORMAP - Non-zero means that when "wm colormapwindows" * was called the top-level itself wasn't * specified, so we added it implicitly at the * end of the list. * WM_WIDTH_NOT_RESIZABLE - Non-zero means that we're not supposed to * allow the user to change the width of the * window (controlled by "wm resizable" command). * WM_HEIGHT_NOT_RESIZABLE - Non-zero means that we're not supposed to * allow the user to change the height of the * window (controlled by "wm resizable" command). * WM_WITHDRAWN - Non-zero means that this window has explicitly * been withdrawn. If it's a transient, it should * not mirror state changes in the master. * WM_FULLSCREEN - Non-zero means that this window has been placed * in the full screen mode. It should be mapped at * 0,0 and be the width and height of the screen. */ #define WM_NEVER_MAPPED (1<<0) #define WM_UPDATE_PENDING (1<<1) #define WM_NEGATIVE_X (1<<2) #define WM_NEGATIVE_Y (1<<3) #define WM_UPDATE_SIZE_HINTS (1<<4) #define WM_SYNC_PENDING (1<<5) #define WM_CREATE_PENDING (1<<6) #define WM_MOVE_PENDING (1<<7) #define WM_COLORMAPS_EXPLICIT (1<<8) #define WM_ADDED_TOPLEVEL_COLORMAP (1<<9) #define WM_WIDTH_NOT_RESIZABLE (1<<10) #define WM_HEIGHT_NOT_RESIZABLE (1<<11) #define WM_WITHDRAWN (1<<12) #define WM_FULLSCREEN (1<<13) /* * Window styles for various types of toplevel windows. */ #define WM_OVERRIDE_STYLE (WS_CLIPCHILDREN|WS_CLIPSIBLINGS|CS_DBLCLKS) #define EX_OVERRIDE_STYLE (WS_EX_TOOLWINDOW) #define WM_FULLSCREEN_STYLE (WS_POPUP|WM_OVERRIDE_STYLE) #define EX_FULLSCREEN_STYLE (WS_EX_APPWINDOW) #define WM_TOPLEVEL_STYLE (WS_OVERLAPPEDWINDOW|WS_CLIPCHILDREN|CS_DBLCLKS) #define EX_TOPLEVEL_STYLE (0) #define WM_TRANSIENT_STYLE \ (WS_POPUP|WS_CAPTION|WS_SYSMENU|WS_CLIPSIBLINGS|CS_DBLCLKS) #define EX_TRANSIENT_STYLE (WS_EX_DLGMODALFRAME) /* * The following structure is the official type record for geometry management * of top-level windows. */ static void TopLevelReqProc(ClientData dummy, Tk_Window tkwin); static void RemapWindows(TkWindow *winPtr, HWND parentHWND); static const Tk_GeomMgr wmMgrType = { "wm", /* name */ TopLevelReqProc, /* requestProc */ NULL, /* lostSlaveProc */ }; typedef struct ThreadSpecificData { HPALETTE systemPalette; /* System palette; refers to the currently * installed foreground logical palette. */ TkWindow *createWindow; /* Window that is being constructed. This * value is set immediately before a call to * CreateWindowEx, and is used by SetLimits. * This is a gross hack needed to work around * Windows brain damage where it sends the * WM_GETMINMAXINFO message before the * WM_CREATE window. */ int initialized; /* Flag indicating whether thread-specific * elements of module have been * initialized. */ int firstWindow; /* Flag, cleared when the first window is * mapped in a non-iconic state. */ WinIconPtr iconPtr; /* IconPtr being used as default for all * toplevels, or NULL. */ } ThreadSpecificData; static Tcl_ThreadDataKey dataKey; /* * The following variables cannot be placed in thread local storage because * they must be shared across threads. */ static int initialized; /* Flag indicating whether module has been * initialized. */ TCL_DECLARE_MUTEX(winWmMutex) /* * Forward declarations for functions defined in this file: */ static int ActivateWindow(Tcl_Event *evPtr, int flags); static void ConfigureTopLevel(WINDOWPOS *pos); static void GenerateConfigureNotify(TkWindow *winPtr); static void GenerateActivateEvent(TkWindow *winPtr, const int *flagPtr); static void GetMaxSize(WmInfo *wmPtr, int *maxWidthPtr, int *maxHeightPtr); static void GetMinSize(WmInfo *wmPtr, int *minWidthPtr, int *minHeightPtr); static TkWindow * GetTopLevel(HWND hwnd); static void InitWm(void); static int InstallColormaps(HWND hwnd, int message, int isForemost); static void InvalidateSubTree(TkWindow *winPtr, Colormap colormap); static void InvalidateSubTreeDepth(TkWindow *winPtr); static int ParseGeometry(Tcl_Interp *interp, const char *string, TkWindow *winPtr); static void RefreshColormap(Colormap colormap, TkDisplay *dispPtr); static void SetLimits(HWND hwnd, MINMAXINFO *info); static void TkWmStackorderToplevelWrapperMap(TkWindow *winPtr, Display *display, Tcl_HashTable *table); static LRESULT CALLBACK TopLevelProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam); static void TopLevelEventProc(ClientData clientData, XEvent *eventPtr); static void TopLevelReqProc(ClientData dummy, Tk_Window tkwin); static void UpdateGeometryInfo(ClientData clientData); static void UpdateWrapper(TkWindow *winPtr); static LRESULT CALLBACK WmProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam); static void WmWaitVisibilityOrMapProc(ClientData clientData, XEvent *eventPtr); static BlockOfIconImagesPtr ReadIconOrCursorFromFile(Tcl_Interp *interp, Tcl_Obj* fileName, BOOL isIcon); static WinIconPtr ReadIconFromFile(Tcl_Interp *interp, Tcl_Obj *fileName); static WinIconPtr GetIconFromPixmap(Display *dsPtr, Pixmap pixmap); static int ReadICOHeader(Tcl_Channel channel); static BOOL AdjustIconImagePointers(LPICONIMAGE lpImage); static HICON MakeIconOrCursorFromResource(LPICONIMAGE lpIcon, BOOL isIcon); static HICON GetIcon(WinIconPtr titlebaricon, int icon_size); static int WinSetIcon(Tcl_Interp *interp, WinIconPtr titlebaricon, Tk_Window tkw); static void FreeIconBlock(BlockOfIconImagesPtr lpIR); static void DecrIconRefCount(WinIconPtr titlebaricon); static int WmAspectCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmAttributesCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmClientCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmColormapwindowsCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmCommandCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmDeiconifyCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmFocusmodelCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmForgetCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmFrameCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmGeometryCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmGridCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmGroupCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmIconbitmapCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmIconifyCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmIconmaskCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmIconnameCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmIconphotoCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmIconpositionCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmIconwindowCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmManageCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmMaxsizeCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmMinsizeCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmOverrideredirectCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmPositionfromCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmProtocolCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmResizableCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmSizefromCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmStackorderCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmStateCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmTitleCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmTransientCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static int WmWithdrawCmd(Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); static void WmUpdateGeom(WmInfo *wmPtr, TkWindow *winPtr); /* * Used in BytesPerLine */ #define WIDTHBYTES(bits) ((((bits) + 31)>>5)<<2) /* *---------------------------------------------------------------------- * * DIBNumColors -- * * Calculates the number of entries in the color table, given by LPSTR * lpbi - pointer to the CF_DIB memory block. Used by titlebar icon code. * * Results: * WORD - Number of entries in the color table. * *---------------------------------------------------------------------- */ static WORD DIBNumColors( LPSTR lpbi) { WORD wBitCount; DWORD dwClrUsed; dwClrUsed = ((LPBITMAPINFOHEADER) lpbi)->biClrUsed; if (dwClrUsed) { return (WORD) dwClrUsed; } wBitCount = ((LPBITMAPINFOHEADER) lpbi)->biBitCount; switch (wBitCount) { case 1: return 2; case 4: return 16; case 8: return 256; default: return 0; } } /* *---------------------------------------------------------------------- * * PaletteSize -- * * Calculates the number of bytes in the color table, as given by LPSTR * lpbi - pointer to the CF_DIB memory block. Used by titlebar icon code. * * Results: * Number of bytes in the color table * *---------------------------------------------------------------------- */ static WORD PaletteSize( LPSTR lpbi) { return (WORD) (DIBNumColors(lpbi) * sizeof(RGBQUAD)); } /* *---------------------------------------------------------------------- * * FindDIBits -- * * Locate the image bits in a CF_DIB format DIB, as given by LPSTR lpbi - * pointer to the CF_DIB memory block. Used by titlebar icon code. * * Results: * pointer to the image bits * * Side effects: None * * *---------------------------------------------------------------------- */ static LPSTR FindDIBBits( LPSTR lpbi) { return lpbi + *((LPDWORD) lpbi) + PaletteSize(lpbi); } /* *---------------------------------------------------------------------- * * BytesPerLine -- * * Calculates the number of bytes in one scan line, as given by * LPBITMAPINFOHEADER lpBMIH - pointer to the BITMAPINFOHEADER that * begins the CF_DIB block. Used by titlebar icon code. * * Results: * number of bytes in one scan line (DWORD aligned) * *---------------------------------------------------------------------- */ static DWORD BytesPerLine( LPBITMAPINFOHEADER lpBMIH) { return WIDTHBYTES(lpBMIH->biWidth * lpBMIH->biPlanes * lpBMIH->biBitCount); } /* *---------------------------------------------------------------------- * * AdjustIconImagePointers -- * * Adjusts internal pointers in icon resource struct, as given by * LPICONIMAGE lpImage - the resource to handle. Used by titlebar icon * code. * * Results: * BOOL - TRUE for success, FALSE for failure * *---------------------------------------------------------------------- */ static BOOL AdjustIconImagePointers( LPICONIMAGE lpImage) { /* * Sanity check. */ if (lpImage == NULL) { return FALSE; } /* * BITMAPINFO is at beginning of bits. */ lpImage->lpbi = (LPBITMAPINFO) lpImage->lpBits; /* * Width - simple enough. */ lpImage->Width = lpImage->lpbi->bmiHeader.biWidth; /* * Icons are stored in funky format where height is doubled so account for * that. */ lpImage->Height = (lpImage->lpbi->bmiHeader.biHeight)/2; /* * How many colors? */ lpImage->Colors = lpImage->lpbi->bmiHeader.biPlanes * lpImage->lpbi->bmiHeader.biBitCount; /* * XOR bits follow the header and color table. */ lpImage->lpXOR = (LPBYTE) FindDIBBits((LPSTR) lpImage->lpbi); /* * AND bits follow the XOR bits. */ lpImage->lpAND = lpImage->lpXOR + lpImage->Height*BytesPerLine((LPBITMAPINFOHEADER) lpImage->lpbi); return TRUE; } /* *---------------------------------------------------------------------- * * MakeIconOrCursorFromResource -- * * Construct an actual HICON structure from the information in a * resource. * * Results: * Icon * *---------------------------------------------------------------------- */ static HICON MakeIconOrCursorFromResource( LPICONIMAGE lpIcon, BOOL isIcon) { HICON hIcon; /* * Sanity Check */ if (lpIcon == NULL || lpIcon->lpBits == NULL) { return NULL; } /* * Let the OS do the real work :) */ hIcon = (HICON) CreateIconFromResourceEx(lpIcon->lpBits, lpIcon->dwNumBytes, isIcon, 0x00030000, (*(LPBITMAPINFOHEADER) lpIcon->lpBits).biWidth, (*(LPBITMAPINFOHEADER) lpIcon->lpBits).biHeight/2, 0); /* * It failed, odds are good we're on NT so try the non-Ex way. */ if (hIcon == NULL) { /* * We would break on NT if we try with a 16bpp image. */ if (lpIcon->lpbi->bmiHeader.biBitCount != 16) { hIcon = CreateIconFromResource(lpIcon->lpBits, lpIcon->dwNumBytes, isIcon, 0x00030000); } } return hIcon; } /* *---------------------------------------------------------------------- * * ReadICOHeader -- * * Reads the header from an ICO file, as specfied by channel. * * Results: * UINT - Number of images in file, -1 for failure. If this succeeds, * there is a decent chance this is a valid icon file. * *---------------------------------------------------------------------- */ static int ReadICOHeader( Tcl_Channel channel) { union { WORD word; char bytes[sizeof(WORD)]; } input; /* * Read the 'reserved' WORD, which should be a zero word. */ if (Tcl_Read(channel, input.bytes, sizeof(WORD)) != sizeof(WORD)) { return -1; } if (input.word != 0) { return -1; } /* * Read the type WORD, which should be of type 1. */ if (Tcl_Read(channel, input.bytes, sizeof(WORD)) != sizeof(WORD)) { return -1; } if (input.word != 1) { return -1; } /* * Get and return the count of images. */ if (Tcl_Read(channel, input.bytes, sizeof(WORD)) != sizeof(WORD)) { return -1; } return (int) input.word; } /* *---------------------------------------------------------------------- * * InitWindowClass -- * * This routine creates the Wm toplevel decorative frame class. * * Results: * None. * * Side effects: * Registers a new window class. * *---------------------------------------------------------------------- */ static int InitWindowClass( WinIconPtr titlebaricon) { ThreadSpecificData *tsdPtr = Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (!tsdPtr->initialized) { tsdPtr->initialized = 1; tsdPtr->firstWindow = 1; tsdPtr->iconPtr = NULL; } if (!initialized) { Tcl_MutexLock(&winWmMutex); if (!initialized) { WNDCLASS class; initialized = 1; /* * The only difference between WNDCLASSW and WNDCLASSA are in * pointers, so we can use the generic structure WNDCLASS. */ ZeroMemory(&class, sizeof(WNDCLASS)); class.style = CS_HREDRAW | CS_VREDRAW; class.hInstance = Tk_GetHINSTANCE(); class.lpszClassName = TK_WIN_TOPLEVEL_CLASS_NAME; class.lpfnWndProc = WmProc; if (titlebaricon == NULL) { class.hIcon = LoadIcon(Tk_GetHINSTANCE(), TEXT("tk")); } else { class.hIcon = GetIcon(titlebaricon, ICON_BIG); if (class.hIcon == NULL) { return TCL_ERROR; } /* * Store pointer to default icon so we know when we need to * free that information */ tsdPtr->iconPtr = titlebaricon; } class.hCursor = LoadCursor(NULL, IDC_ARROW); if (!RegisterClass(&class)) { Tcl_Panic("Unable to register TkTopLevel class"); } } Tcl_MutexUnlock(&winWmMutex); } return TCL_OK; } /* *---------------------------------------------------------------------- * * InitWm -- * * This initialises the window manager * * Results: * None. * * Side effects: * Registers a new window class. * *---------------------------------------------------------------------- */ static void InitWm(void) { /* Ignore return result */ (void) InitWindowClass(NULL); } /* *---------------------------------------------------------------------- * * WinSetIcon -- * * Sets either the default toplevel titlebar icon, or the icon for a * specific toplevel (if tkw is given, then only that window is used). * * The ref-count of the titlebaricon is NOT changed. If this function * returns successfully, the caller should assume the icon was used (and * therefore the ref-count should be adjusted to reflect that fact). If * the function returned an error, the caller should assume the icon was * not used (and may wish to free the memory associated with it). * * Results: * A standard Tcl return code. * * Side effects: * One or all windows may have their icon changed. The Tcl result may be * modified. The window-manager will be initialised if it wasn't already. * The given window will be forced into existence. * *---------------------------------------------------------------------- */ static int WinSetIcon( Tcl_Interp *interp, WinIconPtr titlebaricon, Tk_Window tkw) { WmInfo *wmPtr; HWND hwnd; int application = 0; if (tkw == NULL) { tkw = Tk_MainWindow(interp); application = 1; } if (!(Tk_IsTopLevel(tkw))) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "window \"%s\" isn't a top-level window", Tk_PathName(tkw))); Tcl_SetErrorCode(interp, "TK", "LOOKUP", "TOPLEVEL", Tk_PathName(tkw), NULL); return TCL_ERROR; } if (Tk_WindowId(tkw) == None) { Tk_MakeWindowExist(tkw); } /* * We must get the window's wrapper, not the window itself. */ wmPtr = ((TkWindow *) tkw)->wmInfoPtr; hwnd = wmPtr->wrapper; if (application) { if (hwnd == NULL) { /* * I don't actually think this is ever the correct thing, unless * perhaps the window doesn't have a wrapper. But I believe all * windows have wrappers. */ hwnd = Tk_GetHWND(Tk_WindowId(tkw)); } /* * If we aren't initialised, then just initialise with the user's * icon. Otherwise our icon choice will be ignored moments later when * Tk finishes initialising. */ if (!initialized) { if (InitWindowClass(titlebaricon) != TCL_OK) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "Unable to set icon", -1)); Tcl_SetErrorCode(interp, "TK", "WM", "ICON", "FAILED", NULL); return TCL_ERROR; } } else { ThreadSpecificData *tsdPtr; /* * Don't check return result of SetClassLong() or * SetClassLongPtr() since they return the previously set value * which is zero on the initial call or in an error case. The MSDN * documentation does not indicate that the result needs to be * checked. */ SetClassLongPtr(hwnd, GCLP_HICONSM, (LPARAM) GetIcon(titlebaricon, ICON_SMALL)); SetClassLongPtr(hwnd, GCLP_HICON, (LPARAM) GetIcon(titlebaricon, ICON_BIG)); tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (tsdPtr->iconPtr != NULL) { DecrIconRefCount(tsdPtr->iconPtr); } tsdPtr->iconPtr = titlebaricon; } } else { if (!initialized) { /* * Need to initialise the wm otherwise we will fail on code which * tries to set a toplevel's icon before that happens. Ignore * return result. */ (void) InitWindowClass(NULL); } /* * The following code is exercised if you do * * toplevel .t ; wm titlebaricon .t foo.icr * * i.e. the wm hasn't had time to properly create the '.t' window * before you set the icon. */ if (hwnd == NULL) { /* * This little snippet is copied from the 'Map' function, and * should probably be placed in one proper location. */ UpdateWrapper(wmPtr->winPtr); wmPtr = ((TkWindow *) tkw)->wmInfoPtr; hwnd = wmPtr->wrapper; if (hwnd == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "Can't set icon; window has no wrapper.", -1)); Tcl_SetErrorCode(interp, "TK", "WM", "ICON", "WRAPPER", NULL); return TCL_ERROR; } } SendMessage(hwnd, WM_SETICON, ICON_SMALL, (LPARAM) GetIcon(titlebaricon, ICON_SMALL)); SendMessage(hwnd, WM_SETICON, ICON_BIG, (LPARAM) GetIcon(titlebaricon, ICON_BIG)); /* * Update the iconPtr we keep for each WmInfo structure. */ if (wmPtr->iconPtr != NULL) { /* * Free any old icon ptr which is associated with this window. */ DecrIconRefCount(wmPtr->iconPtr); } /* * We do not need to increment the ref count for the titlebaricon, * because it was already incremented when we retrieved it. */ wmPtr->iconPtr = titlebaricon; } return TCL_OK; } /* *---------------------------------------------------------------------- * * TkWinGetIcon -- * * Gets either the default toplevel titlebar icon, or the icon for a * specific toplevel (ICON_SMALL or ICON_BIG). * * Results: * A Windows HICON. * * Side effects: * The given window will be forced into existence. * *---------------------------------------------------------------------- */ HICON TkWinGetIcon( Tk_Window tkwin, DWORD iconsize) { WmInfo *wmPtr; HICON icon; ThreadSpecificData *tsdPtr = Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (tsdPtr->iconPtr != NULL) { /* * return default toplevel icon */ return GetIcon(tsdPtr->iconPtr, (int) iconsize); } /* * Ensure we operate on the toplevel, that has the icon refs. */ while (!Tk_IsTopLevel(tkwin)) { tkwin = Tk_Parent(tkwin); if (tkwin == NULL) { return NULL; } } if (Tk_WindowId(tkwin) == None) { Tk_MakeWindowExist(tkwin); } wmPtr = ((TkWindow *) tkwin)->wmInfoPtr; if (wmPtr->iconPtr != NULL) { /* * return window toplevel icon */ return GetIcon(wmPtr->iconPtr, (int) iconsize); } /* * Find the icon otherwise associated with the toplevel, or finally with * the window class. */ icon = (HICON) SendMessage(wmPtr->wrapper, WM_GETICON, iconsize, (LPARAM) NULL); if (icon == (HICON) NULL) { icon = (HICON) GetClassLongPtr(wmPtr->wrapper, (iconsize == ICON_BIG) ? GCLP_HICON : GCLP_HICONSM); } return icon; } /* *---------------------------------------------------------------------- * * ReadIconFromFile -- * * Read the contents of a file (usually .ico, .icr) and extract an icon * resource, if possible, otherwise check if the shell has an icon * assigned to the given file and use that. If both of those fail, then * NULL is returned, and an error message will already be in the * interpreter. * * Results: * A WinIconPtr structure containing the icons in the file, with its ref * count already incremented. The calling function should either place * this structure inside a WmInfo structure, or it should pass it on to * DecrIconRefCount() to ensure no memory leaks occur. * * If the given fileName did not contain a valid icon structure, * return NULL. * * Side effects: * Memory is allocated for the returned structure and the icons it * contains. If the structure is not wanted, it should be passed to * DecrIconRefCount, and in any case a valid ref count should be ensured * to avoid memory leaks. * * Currently icon resources are not shared, so the ref count of one of * these structures will always be 0 or 1. However all we need do is * implement some sort of lookup function between filenames and * WinIconPtr structures and no other code will need to be changed. The * pseudo-code for this is implemented below in the 'if (0)' branch. It * did not seem necessary to implement this optimisation here, since * moving to icon<->image conversions will probably make it obsolete. * *---------------------------------------------------------------------- */ static WinIconPtr ReadIconFromFile( Tcl_Interp *interp, Tcl_Obj *fileName) { WinIconPtr titlebaricon = NULL; BlockOfIconImagesPtr lpIR; #if 0 /* TODO: Dead code? */ if (0 /* If we already have an icon for this filename */) { titlebaricon = NULL; /* Get the real value from a lookup */ titlebaricon->refCount++; return titlebaricon; } #endif /* * First check if it is a .ico file. */ lpIR = ReadIconOrCursorFromFile(interp, fileName, TRUE); /* * Then see if we can ask the shell for the icon for this file. We * want both the regular and small icons so that the Alt-Tab (task- * switching) display uses the right icon. */ if (lpIR == NULL) { SHFILEINFO sfiSM; Tcl_DString ds, ds2; DWORD *res; const char *file; file = Tcl_TranslateFileName(interp, Tcl_GetString(fileName), &ds); if (file == NULL) { return NULL; } Tcl_WinUtfToTChar(file, -1, &ds2); Tcl_DStringFree(&ds); res = (DWORD *)SHGetFileInfo((TCHAR *)Tcl_DStringValue(&ds2), 0, &sfiSM, sizeof(SHFILEINFO), SHGFI_SMALLICON|SHGFI_ICON); if (res != 0) { SHFILEINFO sfi; unsigned size; Tcl_ResetResult(interp); res = (DWORD *)SHGetFileInfo((TCHAR *)Tcl_DStringValue(&ds2), 0, &sfi, sizeof(SHFILEINFO), SHGFI_ICON); /* * Account for extra icon, if necessary. */ size = sizeof(BlockOfIconImages) + ((res != 0) ? sizeof(ICONIMAGE) : 0); lpIR = ckalloc(size); if (lpIR == NULL) { if (res != 0) { DestroyIcon(sfi.hIcon); } DestroyIcon(sfiSM.hIcon); Tcl_DStringFree(&ds2); return NULL; } ZeroMemory(lpIR, size); lpIR->nNumImages = ((res != 0) ? 2 : 1); lpIR->IconImages[0].Width = 16; lpIR->IconImages[0].Height = 16; lpIR->IconImages[0].Colors = 4; lpIR->IconImages[0].hIcon = sfiSM.hIcon; /* * All other IconImages fields are ignored. */ if (res != 0) { lpIR->IconImages[1].Width = 32; lpIR->IconImages[1].Height = 32; lpIR->IconImages[1].Colors = 4; lpIR->IconImages[1].hIcon = sfi.hIcon; } } Tcl_DStringFree(&ds2); } if (lpIR != NULL) { titlebaricon = ckalloc(sizeof(WinIconInstance)); titlebaricon->iconBlock = lpIR; titlebaricon->refCount = 1; } return titlebaricon; } /* *---------------------------------------------------------------------- * * GetIconFromPixmap -- * * Turn a Tk Pixmap (i.e. a bitmap) into an icon resource, if possible, * otherwise NULL is returned. * * Results: * A WinIconPtr structure containing a conversion of the given bitmap * into an icon, with its ref count already incremented. The calling * function should either place this structure inside a WmInfo structure, * or it should pass it on to DecrIconRefCount() to ensure no memory * leaks occur. * * If the given pixmap did not contain a valid icon structure, return * NULL. * * Side effects: * Memory is allocated for the returned structure and the icons it * contains. If the structure is not wanted, it should be passed to * DecrIconRefCount, and in any case a valid ref count should be ensured * to avoid memory leaks. * * Currently icon resources are not shared, so the ref count of one of * these structures will always be 0 or 1. However all we need do is * implement some sort of lookup function between pixmaps and WinIconPtr * structures and no other code will need to be changed. * *---------------------------------------------------------------------- */ static WinIconPtr GetIconFromPixmap( Display *dsPtr, Pixmap pixmap) { WinIconPtr titlebaricon = NULL; TkWinDrawable *twdPtr = (TkWinDrawable *) pixmap; BlockOfIconImagesPtr lpIR; ICONINFO icon; HICON hIcon; int width, height; if (twdPtr == NULL) { return NULL; } #if 0 /* TODO: Dead code?*/ if (0 /* If we already have an icon for this pixmap */) { titlebaricon = NULL; /* Get the real value from a lookup */ titlebaricon->refCount++; return titlebaricon; } #endif Tk_SizeOfBitmap(dsPtr, pixmap, &width, &height); icon.fIcon = TRUE; icon.xHotspot = 0; icon.yHotspot = 0; icon.hbmMask = twdPtr->bitmap.handle; icon.hbmColor = twdPtr->bitmap.handle; hIcon = CreateIconIndirect(&icon); if (hIcon == NULL) { return NULL; } lpIR = ckalloc(sizeof(BlockOfIconImages)); if (lpIR == NULL) { DestroyIcon(hIcon); return NULL; } lpIR->nNumImages = 1; lpIR->IconImages[0].Width = width; lpIR->IconImages[0].Height = height; lpIR->IconImages[0].Colors = 1 << twdPtr->bitmap.depth; lpIR->IconImages[0].hIcon = hIcon; /* * These fields are ignored. */ lpIR->IconImages[0].lpBits = 0; lpIR->IconImages[0].dwNumBytes = 0; lpIR->IconImages[0].lpXOR = 0; lpIR->IconImages[0].lpAND = 0; titlebaricon = ckalloc(sizeof(WinIconInstance)); titlebaricon->iconBlock = lpIR; titlebaricon->refCount = 1; return titlebaricon; } /* *---------------------------------------------------------------------- * * DecrIconRefCount -- * * Reduces the reference count. * * Results: * None. * * Side effects: * If the ref count falls to zero, free the memory associated with the * icon resource structures. In this case the pointer passed into this * function is no longer valid. * *---------------------------------------------------------------------- */ static void DecrIconRefCount( WinIconPtr titlebaricon) { if (titlebaricon->refCount-- <= 1) { if (titlebaricon->iconBlock != NULL) { FreeIconBlock(titlebaricon->iconBlock); } titlebaricon->iconBlock = NULL; ckfree(titlebaricon); } } /* *---------------------------------------------------------------------- * * FreeIconBlock -- * * Frees all memory associated with a previously loaded titlebaricon. * The icon block pointer is no longer valid once this function returns. * * Results: * None. * * Side effects: * * *---------------------------------------------------------------------- */ static void FreeIconBlock( BlockOfIconImagesPtr lpIR) { int i; /* * Free all the bits. */ for (i=0 ; inNumImages ; i++) { if (lpIR->IconImages[i].lpBits != NULL) { ckfree(lpIR->IconImages[i].lpBits); } if (lpIR->IconImages[i].hIcon != NULL) { DestroyIcon(lpIR->IconImages[i].hIcon); } } ckfree(lpIR); } /* *---------------------------------------------------------------------- * * GetIcon -- * * Extracts an icon of a given size from an icon resource * * Results: * Returns the icon, if found, else NULL. * *---------------------------------------------------------------------- */ static HICON GetIcon( WinIconPtr titlebaricon, int icon_size) { BlockOfIconImagesPtr lpIR; unsigned int size = (icon_size == 0 ? 16 : 32); int i; if (titlebaricon == NULL) { return NULL; } lpIR = titlebaricon->iconBlock; if (lpIR == NULL) { return NULL; } for (i=0 ; inNumImages ; i++) { /* * Take the first or a 32x32 16 color icon */ if ((lpIR->IconImages[i].Height == size) && (lpIR->IconImages[i].Width == size) && (lpIR->IconImages[i].Colors >= 4)) { return lpIR->IconImages[i].hIcon; } } /* * If we get here, then just return the first one, it will have to do! */ if (lpIR->nNumImages >= 1) { return lpIR->IconImages[0].hIcon; } return NULL; } #if 0 /* UNUSED */ static HCURSOR TclWinReadCursorFromFile( Tcl_Interp* interp, Tcl_Obj* fileName) { BlockOfIconImagesPtr lpIR; HICON res = NULL; lpIR = ReadIconOrCursorFromFile(interp, fileName, FALSE); if (lpIR == NULL) { return NULL; } if (lpIR->nNumImages >= 1) { res = CopyImage(lpIR->IconImages[0].hIcon, IMAGE_CURSOR, 0, 0, 0); } FreeIconBlock(lpIR); return res; } #endif /* *---------------------------------------------------------------------- * * ReadIconOrCursorFromFile -- * * Reads an Icon Resource from an ICO file, as given by char* fileName - * Name of the ICO file. This name should be in Utf format. * * Results: * Returns an icon resource, if found, else NULL. * * Side effects: * May leave error messages in the Tcl interpreter. * *---------------------------------------------------------------------- */ static BlockOfIconImagesPtr ReadIconOrCursorFromFile( Tcl_Interp *interp, Tcl_Obj *fileName, BOOL isIcon) { BlockOfIconImagesPtr lpIR; Tcl_Channel channel; int i; DWORD dwBytesRead; LPICONDIRENTRY lpIDE; /* * Open the file. */ channel = Tcl_FSOpenFileChannel(interp, fileName, "r", 0); if (channel == NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "error opening file \"%s\" for reading: %s", Tcl_GetString(fileName), Tcl_PosixError(interp))); return NULL; } if (Tcl_SetChannelOption(interp, channel, "-translation", "binary") != TCL_OK) { Tcl_Close(NULL, channel); return NULL; } if (Tcl_SetChannelOption(interp, channel, "-encoding", "binary") != TCL_OK) { Tcl_Close(NULL, channel); return NULL; } /* * Allocate memory for the resource structure */ lpIR = ckalloc(sizeof(BlockOfIconImages)); /* * Read in the header */ lpIR->nNumImages = ReadICOHeader(channel); if (lpIR->nNumImages == -1) { Tcl_SetObjResult(interp, Tcl_NewStringObj("Invalid file header", -1)); Tcl_Close(NULL, channel); ckfree(lpIR); return NULL; } /* * Adjust the size of the struct to account for the images. */ lpIR = ckrealloc(lpIR, sizeof(BlockOfIconImages) + (lpIR->nNumImages - 1) * sizeof(ICONIMAGE)); /* * Allocate enough memory for the icon directory entries. */ lpIDE = ckalloc(lpIR->nNumImages * sizeof(ICONDIRENTRY)); /* * Read in the icon directory entries. */ dwBytesRead = Tcl_Read(channel, (char *) lpIDE, (int) (lpIR->nNumImages * sizeof(ICONDIRENTRY))); if (dwBytesRead != lpIR->nNumImages * sizeof(ICONDIRENTRY)) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "error reading file: %s", Tcl_PosixError(interp))); Tcl_SetErrorCode(interp, "TK", "WM", "ICON", "READ", NULL); Tcl_Close(NULL, channel); ckfree(lpIDE); ckfree(lpIR); return NULL; } /* * NULL-out everything to make memory management easier. */ for (i = 0; i < lpIR->nNumImages; i++) { lpIR->IconImages[i].lpBits = NULL; } /* * Loop through and read in each image. */ for (i=0 ; inNumImages ; i++) { /* * Allocate memory for the resource. */ lpIR->IconImages[i].lpBits = ckalloc(lpIDE[i].dwBytesInRes); lpIR->IconImages[i].dwNumBytes = lpIDE[i].dwBytesInRes; /* * Seek to beginning of this image. */ if (Tcl_Seek(channel, lpIDE[i].dwImageOffset, FILE_BEGIN) == -1) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "error seeking in file: %s", Tcl_PosixError(interp))); goto readError; } /* * Read it in. */ dwBytesRead = Tcl_Read(channel, (char *)lpIR->IconImages[i].lpBits, (int) lpIDE[i].dwBytesInRes); if (dwBytesRead != lpIDE[i].dwBytesInRes) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "error reading file: %s", Tcl_PosixError(interp))); goto readError; } /* * Set the internal pointers appropriately. */ if (!AdjustIconImagePointers(&lpIR->IconImages[i])) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "Error converting to internal format", -1)); Tcl_SetErrorCode(interp, "TK", "WM", "ICON", "FORMAT", NULL); goto readError; } lpIR->IconImages[i].hIcon = MakeIconOrCursorFromResource(&lpIR->IconImages[i], isIcon); } /* * Clean up */ ckfree(lpIDE); Tcl_Close(NULL, channel); return lpIR; readError: Tcl_Close(NULL, channel); for (i = 0; i < lpIR->nNumImages; i++) { if (lpIR->IconImages[i].lpBits != NULL) { ckfree(lpIR->IconImages[i].lpBits); } } ckfree(lpIDE); ckfree(lpIR); return NULL; } /* *---------------------------------------------------------------------- * * GetTopLevel -- * * This function retrieves the TkWindow associated with the given HWND. * * Results: * Returns the matching TkWindow. * * Side effects: * None. * *---------------------------------------------------------------------- */ static TkWindow * GetTopLevel( HWND hwnd) { ThreadSpecificData *tsdPtr = Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); /* * If this function is called before the CreateWindowEx call has * completed, then the user data slot will not have been set yet, so we * use the global createWindow variable. */ if (tsdPtr->createWindow) { return tsdPtr->createWindow; } return (TkWindow *) GetWindowLongPtr(hwnd, GWLP_USERDATA); } /* *---------------------------------------------------------------------- * * SetLimits -- * * Updates the minimum and maximum window size constraints. * * Results: * None. * * Side effects: * Changes the values of the info pointer to reflect the current minimum * and maximum size values. * *---------------------------------------------------------------------- */ static void SetLimits( HWND hwnd, MINMAXINFO *info) { register WmInfo *wmPtr; int maxWidth, maxHeight; int minWidth, minHeight; int base; TkWindow *winPtr = GetTopLevel(hwnd); if (winPtr == NULL) { return; } wmPtr = winPtr->wmInfoPtr; /* * Copy latest constraint info. */ wmPtr->defMinWidth = info->ptMinTrackSize.x; wmPtr->defMinHeight = info->ptMinTrackSize.y; wmPtr->defMaxWidth = info->ptMaxTrackSize.x; wmPtr->defMaxHeight = info->ptMaxTrackSize.y; GetMaxSize(wmPtr, &maxWidth, &maxHeight); GetMinSize(wmPtr, &minWidth, &minHeight); if (wmPtr->gridWin != NULL) { base = winPtr->reqWidth - (wmPtr->reqGridWidth * wmPtr->widthInc); if (base < 0) { base = 0; } base += wmPtr->borderWidth; info->ptMinTrackSize.x = base + (minWidth * wmPtr->widthInc); info->ptMaxTrackSize.x = base + (maxWidth * wmPtr->widthInc); base = winPtr->reqHeight - (wmPtr->reqGridHeight * wmPtr->heightInc); if (base < 0) { base = 0; } base += wmPtr->borderHeight; info->ptMinTrackSize.y = base + (minHeight * wmPtr->heightInc); info->ptMaxTrackSize.y = base + (maxHeight * wmPtr->heightInc); } else { info->ptMaxTrackSize.x = maxWidth + wmPtr->borderWidth; info->ptMaxTrackSize.y = maxHeight + wmPtr->borderHeight; info->ptMinTrackSize.x = minWidth + wmPtr->borderWidth; info->ptMinTrackSize.y = minHeight + wmPtr->borderHeight; } /* * If the window isn't supposed to be resizable, then set the minimum and * maximum dimensions to be the same as the current size. */ if (!(wmPtr->flags & WM_SYNC_PENDING)) { if (wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) { info->ptMinTrackSize.x = winPtr->changes.width + wmPtr->borderWidth; info->ptMaxTrackSize.x = info->ptMinTrackSize.x; } if (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE) { info->ptMinTrackSize.y = winPtr->changes.height + wmPtr->borderHeight; info->ptMaxTrackSize.y = info->ptMinTrackSize.y; } } } /* *---------------------------------------------------------------------- * * TkWinWmCleanup -- * * Unregisters classes registered by the window manager. This is called * from the DLL main entry point when the DLL is unloaded. * * Results: * None. * * Side effects: * The window classes are discarded. * *---------------------------------------------------------------------- */ void TkWinWmCleanup( HINSTANCE hInstance) { ThreadSpecificData *tsdPtr; /* * If we're using stubs to access the Tcl library, and they haven't been * initialized, we can't call Tcl_GetThreadData. */ #ifdef USE_TCL_STUBS if (tclStubsPtr == NULL) { return; } #endif if (!initialized) { return; } initialized = 0; tsdPtr = Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (!tsdPtr->initialized) { return; } tsdPtr->initialized = 0; UnregisterClass(TK_WIN_TOPLEVEL_CLASS_NAME, hInstance); } /* *-------------------------------------------------------------- * * TkWmNewWindow -- * * This function is invoked whenever a new top-level window is created. * Its job is to initialize the WmInfo structure for the window. * * Results: * None. * * Side effects: * A WmInfo structure gets allocated and initialized. * *-------------------------------------------------------------- */ void TkWmNewWindow( TkWindow *winPtr) /* Newly-created top-level window. */ { register WmInfo *wmPtr = ckalloc(sizeof(WmInfo)); /* * Initialize full structure, then set what isn't NULL */ ZeroMemory(wmPtr, sizeof(WmInfo)); winPtr->wmInfoPtr = wmPtr; wmPtr->winPtr = winPtr; wmPtr->hints.flags = InputHint | StateHint; wmPtr->hints.input = True; wmPtr->hints.initial_state = NormalState; wmPtr->hints.icon_pixmap = None; wmPtr->hints.icon_window = None; wmPtr->hints.icon_x = wmPtr->hints.icon_y = 0; wmPtr->hints.icon_mask = None; wmPtr->hints.window_group = None; /* * Default the maximum dimensions to the size of the display. */ wmPtr->defMinWidth = wmPtr->defMinHeight = 0; wmPtr->defMaxWidth = DisplayWidth(winPtr->display, winPtr->screenNum); wmPtr->defMaxHeight = DisplayHeight(winPtr->display, winPtr->screenNum); wmPtr->minWidth = wmPtr->minHeight = 1; wmPtr->maxWidth = wmPtr->maxHeight = 0; wmPtr->widthInc = wmPtr->heightInc = 1; wmPtr->minAspect.x = wmPtr->minAspect.y = 1; wmPtr->maxAspect.x = wmPtr->maxAspect.y = 1; wmPtr->reqGridWidth = wmPtr->reqGridHeight = -1; wmPtr->gravity = NorthWestGravity; wmPtr->width = -1; wmPtr->height = -1; wmPtr->x = winPtr->changes.x; wmPtr->y = winPtr->changes.y; wmPtr->crefObj = NULL; wmPtr->colorref = (COLORREF) 0; wmPtr->alpha = 1.0; wmPtr->configWidth = -1; wmPtr->configHeight = -1; wmPtr->flags = WM_NEVER_MAPPED; wmPtr->nextPtr = winPtr->dispPtr->firstWmPtr; winPtr->dispPtr->firstWmPtr = wmPtr; /* * Tk must monitor structure events for top-level windows, in order to * detect size and position changes caused by window managers. */ Tk_CreateEventHandler((Tk_Window) winPtr, StructureNotifyMask, TopLevelEventProc, winPtr); /* * Arrange for geometry requests to be reflected from the window to the * window manager. */ Tk_ManageGeometry((Tk_Window) winPtr, &wmMgrType, NULL); } /* *---------------------------------------------------------------------- * * UpdateWrapper -- * * This function creates the wrapper window that contains the window * decorations and menus for a toplevel. This function may be called * after a window is mapped to change the window style. * * Results: * None. * * Side effects: * Destroys any old wrapper window and replaces it with a newly created * wrapper. * *---------------------------------------------------------------------- */ static void UpdateWrapper( TkWindow *winPtr) /* Top-level window to redecorate. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; HWND parentHWND, oldWrapper = wmPtr->wrapper; HWND child, nextHWND, focusHWND; int x, y, width, height, state; WINDOWPLACEMENT place; HICON hSmallIcon = NULL; HICON hBigIcon = NULL; Tcl_DString titleString; int *childStateInfo = NULL; ThreadSpecificData *tsdPtr = Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (winPtr->window == None) { /* * Ensure existence of the window to update the wrapper for. */ Tk_MakeWindowExist((Tk_Window) winPtr); } child = TkWinGetHWND(winPtr->window); parentHWND = NULL; /* * nextHWND will help us maintain Z order. focusHWND will help us maintain * focus, if we had it. */ nextHWND = NULL; focusHWND = GetFocus(); if ((oldWrapper == NULL) || (oldWrapper != GetForegroundWindow())) { focusHWND = NULL; } if (winPtr->flags & TK_EMBEDDED) { wmPtr->wrapper = (HWND) winPtr->privatePtr; if (wmPtr->wrapper == NULL) { Tcl_Panic("UpdateWrapper: Cannot find container window"); } if (!IsWindow(wmPtr->wrapper)) { Tcl_Panic("UpdateWrapper: Container was destroyed"); } } else { /* * Pick the decorative frame style. Override redirect windows get * created as undecorated popups if they have no transient parent, * otherwise they are children. This allows splash screens to operate * as an independent window, while having dropdows (like for a * combobox) not grab focus away from their parent. Transient windows * get a modal dialog frame. Neither override, nor transient windows * appear in the Windows taskbar. Note that a transient window does * not resize by default, so we need to explicitly add the * WS_THICKFRAME style if we want it to be resizeable. */ if (winPtr->atts.override_redirect) { wmPtr->style = WM_OVERRIDE_STYLE; wmPtr->exStyle = EX_OVERRIDE_STYLE; /* * Parent must be desktop even if we have a transient parent. */ parentHWND = GetDesktopWindow(); if (wmPtr->masterPtr) { wmPtr->style |= WS_CHILD; } else { wmPtr->style |= WS_POPUP; } } else if (wmPtr->flags & WM_FULLSCREEN) { wmPtr->style = WM_FULLSCREEN_STYLE; wmPtr->exStyle = EX_FULLSCREEN_STYLE; } else if (wmPtr->masterPtr) { wmPtr->style = WM_TRANSIENT_STYLE; wmPtr->exStyle = EX_TRANSIENT_STYLE; parentHWND = Tk_GetHWND(Tk_WindowId(wmPtr->masterPtr)); if (! ((wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) && (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE))) { wmPtr->style |= WS_THICKFRAME; } } else { wmPtr->style = WM_TOPLEVEL_STYLE; wmPtr->exStyle = EX_TOPLEVEL_STYLE; } wmPtr->style |= wmPtr->styleConfig; wmPtr->exStyle |= wmPtr->exStyleConfig; if ((wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) && (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE)) { wmPtr->style &= ~ (WS_MAXIMIZEBOX | WS_SIZEBOX); } /* * Compute the geometry of the parent and child windows. */ wmPtr->flags |= WM_CREATE_PENDING|WM_MOVE_PENDING; UpdateGeometryInfo(winPtr); wmPtr->flags &= ~(WM_CREATE_PENDING|WM_MOVE_PENDING); width = wmPtr->borderWidth + winPtr->changes.width; height = wmPtr->borderHeight + winPtr->changes.height; /* * Set the initial position from the user or program specified * location. If nothing has been specified, then let the system pick a * location. In full screen mode the x,y origin is 0,0 and the window * width and height match that of the screen. */ if (wmPtr->flags & WM_FULLSCREEN) { x = 0; y = 0; width = WidthOfScreen(Tk_Screen(winPtr)); height = HeightOfScreen(Tk_Screen(winPtr)); } else if (!(wmPtr->sizeHintsFlags & (USPosition | PPosition)) && (wmPtr->flags & WM_NEVER_MAPPED)) { x = CW_USEDEFAULT; y = CW_USEDEFAULT; } else { x = winPtr->changes.x; y = winPtr->changes.y; } /* * Create the containing window, and set the user data to point to the * TkWindow. */ tsdPtr->createWindow = winPtr; Tcl_WinUtfToTChar(((wmPtr->title != NULL) ? wmPtr->title : winPtr->nameUid), -1, &titleString); wmPtr->wrapper = CreateWindowEx(wmPtr->exStyle, TK_WIN_TOPLEVEL_CLASS_NAME, (LPCTSTR) Tcl_DStringValue(&titleString), wmPtr->style, x, y, width, height, parentHWND, NULL, Tk_GetHINSTANCE(), NULL); Tcl_DStringFree(&titleString); SetWindowLongPtr(wmPtr->wrapper, GWLP_USERDATA, (LONG_PTR) winPtr); tsdPtr->createWindow = NULL; if (wmPtr->exStyleConfig & WS_EX_LAYERED) { /* * The user supplies a double from [0..1], but Windows wants an * int (transparent) 0..255 (opaque), so do the translation. Add * the 0.5 to round the value. */ SetLayeredWindowAttributes((HWND) wmPtr->wrapper, wmPtr->colorref, (BYTE) (wmPtr->alpha * 255 + 0.5), (unsigned)(LWA_ALPHA | (wmPtr->crefObj?LWA_COLORKEY:0))); } else { /* * Layering not used or supported. */ wmPtr->alpha = 1.0; if (wmPtr->crefObj) { Tcl_DecrRefCount(wmPtr->crefObj); wmPtr->crefObj = NULL; } } place.length = sizeof(WINDOWPLACEMENT); GetWindowPlacement(wmPtr->wrapper, &place); wmPtr->x = place.rcNormalPosition.left; wmPtr->y = place.rcNormalPosition.top; if (!(winPtr->flags & TK_ALREADY_DEAD)) { TkInstallFrameMenu((Tk_Window) winPtr); } if (oldWrapper && (oldWrapper != wmPtr->wrapper) && !(wmPtr->exStyle & WS_EX_TOPMOST)) { /* * We will adjust wrapper to have the same Z order as oldWrapper * if it isn't a TOPMOST window. */ nextHWND = GetNextWindow(oldWrapper, GW_HWNDPREV); } } /* * Now we need to reparent the contained window and set its style * appropriately. Be sure to update the style first so that Windows * doesn't try to set the focus to the child window. */ SetWindowLongPtr(child, GWL_STYLE, WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS); if (winPtr->flags & TK_EMBEDDED) { SetWindowLongPtr(child, GWLP_WNDPROC, (LONG_PTR) TopLevelProc); } SetParent(child, wmPtr->wrapper); if (oldWrapper) { hSmallIcon = (HICON) SendMessage(oldWrapper, WM_GETICON, ICON_SMALL, (LPARAM)NULL); hBigIcon = (HICON) SendMessage(oldWrapper, WM_GETICON, ICON_BIG, (LPARAM) NULL); } if (oldWrapper && (oldWrapper != wmPtr->wrapper) && (oldWrapper != GetDesktopWindow())) { SetWindowLongPtr(oldWrapper, GWLP_USERDATA, (LONG_PTR) 0); if (wmPtr->numTransients > 0) { /* * Unset the current wrapper as the parent for all transient * children for whom this is the master */ WmInfo *wmPtr2; childStateInfo = ckalloc(wmPtr->numTransients * sizeof(int)); state = 0; for (wmPtr2 = winPtr->dispPtr->firstWmPtr; wmPtr2 != NULL; wmPtr2 = wmPtr2->nextPtr) { if (wmPtr2->masterPtr == winPtr && !(wmPtr2->flags & WM_NEVER_MAPPED)) { childStateInfo[state++] = wmPtr2->hints.initial_state; SetParent(TkWinGetHWND(wmPtr2->winPtr->window), NULL); } } } /* * Remove the menubar before destroying the window so the menubar * isn't destroyed. */ SetMenu(oldWrapper, NULL); DestroyWindow(oldWrapper); } wmPtr->flags &= ~WM_NEVER_MAPPED; if (winPtr->flags & TK_EMBEDDED && SendMessage(wmPtr->wrapper, TK_ATTACHWINDOW, (WPARAM) child, 0)) { SendMessage(wmPtr->wrapper, TK_GEOMETRYREQ, Tk_ReqWidth((Tk_Window) winPtr), Tk_ReqHeight((Tk_Window) winPtr)); SendMessage(wmPtr->wrapper, TK_SETMENU, (WPARAM) wmPtr->hMenu, (LPARAM) Tk_GetMenuHWND((Tk_Window) winPtr)); } /* * Force an initial transition from withdrawn to the real initial state. * Set the Z order based on previous wrapper before we set the state. */ state = wmPtr->hints.initial_state; wmPtr->hints.initial_state = WithdrawnState; if (nextHWND) { SetWindowPos(wmPtr->wrapper, nextHWND, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE|SWP_NOSENDCHANGING |SWP_NOOWNERZORDER); } TkpWmSetState(winPtr, state); wmPtr->hints.initial_state = state; if (hSmallIcon != NULL) { SendMessage(wmPtr->wrapper, WM_SETICON, ICON_SMALL, (LPARAM) hSmallIcon); } if (hBigIcon != NULL) { SendMessage(wmPtr->wrapper, WM_SETICON, ICON_BIG, (LPARAM) hBigIcon); } /* * If we are embedded then force a mapping of the window now, because we * do not necessarily own the wrapper and may not get another opportunity * to map ourselves. We should not be in either iconified or zoomed states * when we get here, so it is safe to just check for TK_EMBEDDED without * checking what state we are supposed to be in (default to NormalState). */ if (winPtr->flags & TK_EMBEDDED) { if (state+1 != SendMessage(wmPtr->wrapper, TK_STATE, state, 0)) { TkpWmSetState(winPtr, NormalState); wmPtr->hints.initial_state = NormalState; } XMapWindow(winPtr->display, winPtr->window); } /* * Set up menus on the wrapper if required. */ if (wmPtr->hMenu != NULL) { wmPtr->flags |= WM_SYNC_PENDING; SetMenu(wmPtr->wrapper, wmPtr->hMenu); wmPtr->flags &= ~WM_SYNC_PENDING; } if (childStateInfo) { if (wmPtr->numTransients > 0) { /* * Reset all transient children for whom this is the master. */ WmInfo *wmPtr2; state = 0; for (wmPtr2 = winPtr->dispPtr->firstWmPtr; wmPtr2 != NULL; wmPtr2 = wmPtr2->nextPtr) { if (wmPtr2->masterPtr == winPtr && !(wmPtr2->flags & WM_NEVER_MAPPED)) { UpdateWrapper(wmPtr2->winPtr); TkpWmSetState(wmPtr2->winPtr, childStateInfo[state++]); } } } ckfree(childStateInfo); } /* * If this is the first window created by the application, then we should * activate the initial window. Otherwise, if this had the focus, we need * to restore that. * XXX: Rewrapping generates a and that would best be * XXX: avoided, if we could safely mask them. */ if (tsdPtr->firstWindow) { tsdPtr->firstWindow = 0; SetActiveWindow(wmPtr->wrapper); } else if (focusHWND) { SetFocus(focusHWND); } } /* *-------------------------------------------------------------- * * TkWmMapWindow -- * * This function is invoked to map a top-level window. This module gets a * chance to update all window-manager-related information in properties * before the window manager sees the map event and checks the * properties. It also gets to decide whether or not to even map the * window after all. * * Results: * None. * * Side effects: * Properties of winPtr may get updated to provide up-to-date information * to the window manager. The window may also get mapped, but it may not * be if this function decides that isn't appropriate (e.g. because the * window is withdrawn). * *-------------------------------------------------------------- */ void TkWmMapWindow( TkWindow *winPtr) /* Top-level window that's about to be * mapped. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; ThreadSpecificData *tsdPtr = Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (!tsdPtr->initialized) { InitWm(); } if (wmPtr->flags & WM_NEVER_MAPPED) { /* * Don't map a transient if the master is not mapped. */ if (wmPtr->masterPtr != NULL && !Tk_IsMapped(wmPtr->masterPtr)) { wmPtr->hints.initial_state = WithdrawnState; return; } } else { if (wmPtr->hints.initial_state == WithdrawnState) { return; } /* * Map the window in either the iconified or normal state. Note that * we only send a map event if the window is in the normal state. */ TkpWmSetState(winPtr, wmPtr->hints.initial_state); } /* * This is the first time this window has ever been mapped. Store all the * window-manager-related information for the window. */ UpdateWrapper(winPtr); } /* *-------------------------------------------------------------- * * TkWmUnmapWindow -- * * This function is invoked to unmap a top-level window. The only thing * it does special is unmap the decorative frame before unmapping the * toplevel window. * * Results: * None. * * Side effects: * Unmaps the decorative frame and the window. * *-------------------------------------------------------------- */ void TkWmUnmapWindow( TkWindow *winPtr) /* Top-level window that's about to be * unmapped. */ { TkpWmSetState(winPtr, WithdrawnState); } /* *---------------------------------------------------------------------- * * TkpWmSetState -- * * Sets the window manager state for the wrapper window of a given * toplevel window. * * Results: * None. * * Side effects: * May maximize, minimize, restore, or withdraw a window. * *---------------------------------------------------------------------- */ int TkpWmSetState( TkWindow *winPtr, /* Toplevel window to operate on. */ int state) /* One of IconicState, ZoomState, NormalState, * or WithdrawnState. */ { WmInfo *wmPtr = winPtr->wmInfoPtr; int cmd; if (wmPtr->flags & WM_NEVER_MAPPED) { wmPtr->hints.initial_state = state; goto setStateEnd; } wmPtr->flags |= WM_SYNC_PENDING; if (state == WithdrawnState) { cmd = SW_HIDE; } else if (state == IconicState) { cmd = SW_SHOWMINNOACTIVE; } else if (state == NormalState) { cmd = SW_SHOWNOACTIVATE; } else if (state == ZoomState) { cmd = SW_SHOWMAXIMIZED; } else { goto setStateEnd; } ShowWindow(wmPtr->wrapper, cmd); wmPtr->flags &= ~WM_SYNC_PENDING; setStateEnd: return 1; } /* *---------------------------------------------------------------------- * * TkpWmSetFullScreen -- * * Sets the fullscreen state for a toplevel window. * * Results: * The WM_FULLSCREEN flag is updated. * * Side effects: * May create a new wrapper window and raise it. * *---------------------------------------------------------------------- */ static void TkpWmSetFullScreen( TkWindow *winPtr, /* Toplevel window to operate on. */ int full_screen_state) /* True if window should be full screen */ { int changed = 0; int full_screen = False; WmInfo *wmPtr = winPtr->wmInfoPtr; if (full_screen_state) { if (! (wmPtr->flags & WM_FULLSCREEN)) { full_screen = True; changed = 1; } } else { if (wmPtr->flags & WM_FULLSCREEN) { full_screen = False; changed = 1; } } if (changed) { if (full_screen) { wmPtr->flags |= WM_FULLSCREEN; wmPtr->configX = wmPtr->x; wmPtr->configY = wmPtr->y; } else { wmPtr->flags &= ~WM_FULLSCREEN; wmPtr->x = wmPtr->configX; wmPtr->y = wmPtr->configY; } /* * If the window has been mapped, then we need to update the native * wrapper window, and reset the focus to the widget that had it * before. */ if (!(wmPtr->flags & (WM_NEVER_MAPPED) && !(winPtr->flags & TK_EMBEDDED))) { TkWindow *focusWinPtr; UpdateWrapper(winPtr); focusWinPtr = TkGetFocusWin(winPtr); if (focusWinPtr) { TkSetFocusWin(focusWinPtr, 1); } } } } /* *---------------------------------------------------------------------- * * TkpWinGetState -- * * This function returns state value of a toplevel window. * * Results: * none * * Side effects: * May deiconify the toplevel window. * *---------------------------------------------------------------------- */ int TkpWmGetState( TkWindow *winPtr) { return winPtr->wmInfoPtr->hints.initial_state; } /* *-------------------------------------------------------------- * * TkWmDeadWindow -- * * This function is invoked when a top-level window is about to be * deleted. It cleans up the wm-related data structures for the window. * * Results: * None. * * Side effects: * The WmInfo structure for winPtr gets freed up. * *-------------------------------------------------------------- */ void TkWmDeadWindow( TkWindow *winPtr) /* Top-level window that's being deleted. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; WmInfo *wmPtr2; if (wmPtr == NULL) { return; } /* * Clean up event related window info. */ if (winPtr->dispPtr->firstWmPtr == wmPtr) { winPtr->dispPtr->firstWmPtr = wmPtr->nextPtr; } else { register WmInfo *prevPtr; for (prevPtr = winPtr->dispPtr->firstWmPtr; ; prevPtr = prevPtr->nextPtr) { if (prevPtr == NULL) { Tcl_Panic("couldn't unlink window in TkWmDeadWindow"); } if (prevPtr->nextPtr == wmPtr) { prevPtr->nextPtr = wmPtr->nextPtr; break; } } } /* * Reset all transient windows whose master is the dead window. */ for (wmPtr2 = winPtr->dispPtr->firstWmPtr; wmPtr2 != NULL; wmPtr2 = wmPtr2->nextPtr) { if (wmPtr2->masterPtr == winPtr) { wmPtr->numTransients--; Tk_DeleteEventHandler((Tk_Window) wmPtr2->masterPtr, VisibilityChangeMask|StructureNotifyMask, WmWaitVisibilityOrMapProc, wmPtr2->winPtr); wmPtr2->masterPtr = NULL; if ((wmPtr2->wrapper != None) && !(wmPtr2->flags & (WM_NEVER_MAPPED))) { UpdateWrapper(wmPtr2->winPtr); } } } if (wmPtr->numTransients != 0) Tcl_Panic("numTransients should be 0"); if (wmPtr->title != NULL) { ckfree(wmPtr->title); } if (wmPtr->iconName != NULL) { ckfree(wmPtr->iconName); } if (wmPtr->hints.flags & IconPixmapHint) { Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_pixmap); } if (wmPtr->hints.flags & IconMaskHint) { Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_mask); } if (wmPtr->leaderName != NULL) { ckfree(wmPtr->leaderName); } if (wmPtr->icon != NULL) { wmPtr2 = ((TkWindow *) wmPtr->icon)->wmInfoPtr; wmPtr2->iconFor = NULL; } if (wmPtr->iconFor != NULL) { wmPtr2 = ((TkWindow *) wmPtr->iconFor)->wmInfoPtr; wmPtr2->icon = NULL; wmPtr2->hints.flags &= ~IconWindowHint; } while (wmPtr->protPtr != NULL) { ProtocolHandler *protPtr; protPtr = wmPtr->protPtr; wmPtr->protPtr = protPtr->nextPtr; Tcl_EventuallyFree(protPtr, TCL_DYNAMIC); } if (wmPtr->cmdArgv != NULL) { ckfree(wmPtr->cmdArgv); } if (wmPtr->clientMachine != NULL) { ckfree(wmPtr->clientMachine); } if (wmPtr->flags & WM_UPDATE_PENDING) { Tcl_CancelIdleCall(UpdateGeometryInfo, winPtr); } if (wmPtr->masterPtr != NULL) { wmPtr2 = wmPtr->masterPtr->wmInfoPtr; /* * If we had a master, tell them that we aren't tied to them anymore. */ if (wmPtr2 != NULL) { wmPtr2->numTransients--; } Tk_DeleteEventHandler((Tk_Window) wmPtr->masterPtr, VisibilityChangeMask|StructureNotifyMask, WmWaitVisibilityOrMapProc, winPtr); wmPtr->masterPtr = NULL; } if (wmPtr->crefObj != NULL) { Tcl_DecrRefCount(wmPtr->crefObj); wmPtr->crefObj = NULL; } /* * Destroy the decorative frame window. */ if (!(winPtr->flags & TK_EMBEDDED)) { if (wmPtr->wrapper != NULL) { DestroyWindow(wmPtr->wrapper); } else if (winPtr->window) { DestroyWindow(Tk_GetHWND(winPtr->window)); } } else { if (wmPtr->wrapper != NULL) { SendMessage(wmPtr->wrapper, TK_DETACHWINDOW, 0, 0); } } if (wmPtr->iconPtr != NULL) { /* * This may delete the icon resource data. I believe we should do this * after destroying the decorative frame, because the decorative frame * is using this icon. */ DecrIconRefCount(wmPtr->iconPtr); } ckfree(wmPtr); winPtr->wmInfoPtr = NULL; } /* *-------------------------------------------------------------- * * TkWmSetClass -- * * This function is invoked whenever a top-level window's class is * changed. If the window has been mapped then this function updates the * window manager property for the class. If the window hasn't been * mapped, the update is deferred until just before the first mapping. * * Results: * None. * * Side effects: * A window property may get updated. * *-------------------------------------------------------------- */ void TkWmSetClass( TkWindow *winPtr) /* Newly-created top-level window. */ { /* Do nothing */ return; } /* *---------------------------------------------------------------------- * * Tk_WmObjCmd -- * * This function is invoked to process the "wm" Tcl command. See the user * documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ /* ARGSUSED */ int Tk_WmObjCmd( ClientData clientData, /* Main window associated with interpreter. */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { Tk_Window tkwin = clientData; static const char *const optionStrings[] = { "aspect", "attributes", "client", "colormapwindows", "command", "deiconify", "focusmodel", "forget", "frame", "geometry", "grid", "group", "iconbitmap", "iconify", "iconmask", "iconname", "iconphoto", "iconposition", "iconwindow", "manage", "maxsize", "minsize", "overrideredirect", "positionfrom", "protocol", "resizable", "sizefrom", "stackorder", "state", "title", "transient", "withdraw", NULL }; enum options { WMOPT_ASPECT, WMOPT_ATTRIBUTES, WMOPT_CLIENT, WMOPT_COLORMAPWINDOWS, WMOPT_COMMAND, WMOPT_DEICONIFY, WMOPT_FOCUSMODEL, WMOPT_FORGET, WMOPT_FRAME, WMOPT_GEOMETRY, WMOPT_GRID, WMOPT_GROUP, WMOPT_ICONBITMAP, WMOPT_ICONIFY, WMOPT_ICONMASK, WMOPT_ICONNAME, WMOPT_ICONPHOTO, WMOPT_ICONPOSITION, WMOPT_ICONWINDOW, WMOPT_MANAGE, WMOPT_MAXSIZE, WMOPT_MINSIZE, WMOPT_OVERRIDEREDIRECT, WMOPT_POSITIONFROM, WMOPT_PROTOCOL, WMOPT_RESIZABLE, WMOPT_SIZEFROM, WMOPT_STACKORDER, WMOPT_STATE, WMOPT_TITLE, WMOPT_TRANSIENT, WMOPT_WITHDRAW }; int index; size_t length; const char *argv1; TkWindow *winPtr, **winPtrPtr = &winPtr; TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr; if (objc < 2) { wrongNumArgs: Tcl_WrongNumArgs(interp, 1, objv, "option window ?arg ...?"); return TCL_ERROR; } argv1 = Tcl_GetString(objv[1]); length = objv[1]->length; if ((argv1[0] == 't') && !strncmp(argv1, "tracing", length) && (length >= 3)) { int wmTracing; if ((objc != 2) && (objc != 3)) { Tcl_WrongNumArgs(interp, 2, objv, "?boolean?"); return TCL_ERROR; } if (objc == 2) { Tcl_SetObjResult(interp, Tcl_NewBooleanObj( dispPtr->flags & TK_DISPLAY_WM_TRACING)); return TCL_OK; } if (Tcl_GetBooleanFromObj(interp, objv[2], &wmTracing) != TCL_OK) { return TCL_ERROR; } if (wmTracing) { dispPtr->flags |= TK_DISPLAY_WM_TRACING; } else { dispPtr->flags &= ~TK_DISPLAY_WM_TRACING; } return TCL_OK; } if (Tcl_GetIndexFromObjStruct(interp, objv[1], optionStrings, sizeof(char *), "option", 0, &index) != TCL_OK) { return TCL_ERROR; } if (objc < 3) { goto wrongNumArgs; } if (TkGetWindowFromObj(interp, tkwin, objv[2], (Tk_Window *) winPtrPtr) != TCL_OK) { return TCL_ERROR; } if (!Tk_IsTopLevel(winPtr) && (index != WMOPT_MANAGE) && (index != WMOPT_FORGET)) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "window \"%s\" isn't a top-level window", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "LOOKUP", "TOPLEVEL", winPtr->pathName, NULL); return TCL_ERROR; } switch ((enum options) index) { case WMOPT_ASPECT: return WmAspectCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ATTRIBUTES: return WmAttributesCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_CLIENT: return WmClientCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_COLORMAPWINDOWS: return WmColormapwindowsCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_COMMAND: return WmCommandCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_DEICONIFY: return WmDeiconifyCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_FOCUSMODEL: return WmFocusmodelCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_FORGET: return WmForgetCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_FRAME: return WmFrameCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_GEOMETRY: return WmGeometryCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_GRID: return WmGridCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_GROUP: return WmGroupCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONBITMAP: return WmIconbitmapCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONIFY: return WmIconifyCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONMASK: return WmIconmaskCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONNAME: return WmIconnameCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONPHOTO: return WmIconphotoCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONPOSITION: return WmIconpositionCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_ICONWINDOW: return WmIconwindowCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_MANAGE: return WmManageCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_MAXSIZE: return WmMaxsizeCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_MINSIZE: return WmMinsizeCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_OVERRIDEREDIRECT: return WmOverrideredirectCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_POSITIONFROM: return WmPositionfromCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_PROTOCOL: return WmProtocolCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_RESIZABLE: return WmResizableCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_SIZEFROM: return WmSizefromCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_STACKORDER: return WmStackorderCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_STATE: return WmStateCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_TITLE: return WmTitleCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_TRANSIENT: return WmTransientCmd(tkwin, winPtr, interp, objc, objv); case WMOPT_WITHDRAW: return WmWithdrawCmd(tkwin, winPtr, interp, objc, objv); } /* This should not happen */ return TCL_ERROR; } /* *---------------------------------------------------------------------- * * WmAspectCmd -- * * This function is invoked to process the "wm aspect" Tcl command. See * the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmAspectCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int numer1, denom1, numer2, denom2; if ((objc != 3) && (objc != 7)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?minNumer minDenom maxNumer maxDenom?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->sizeHintsFlags & PAspect) { Tcl_Obj *results[4]; results[0] = Tcl_NewIntObj(wmPtr->minAspect.x); results[1] = Tcl_NewIntObj(wmPtr->minAspect.y); results[2] = Tcl_NewIntObj(wmPtr->maxAspect.x); results[3] = Tcl_NewIntObj(wmPtr->maxAspect.y); Tcl_SetObjResult(interp, Tcl_NewListObj(4, results)); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->sizeHintsFlags &= ~PAspect; } else { if ((Tcl_GetIntFromObj(interp, objv[3], &numer1) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[4], &denom1) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[5], &numer2) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[6], &denom2) != TCL_OK)) { return TCL_ERROR; } if ((numer1 <= 0) || (denom1 <= 0) || (numer2 <= 0) || (denom2 <= 0)) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "aspect number can't be <= 0", -1)); Tcl_SetErrorCode(interp, "TK", "VALUE", "ASPECT", NULL); return TCL_ERROR; } wmPtr->minAspect.x = numer1; wmPtr->minAspect.y = denom1; wmPtr->maxAspect.x = numer2; wmPtr->maxAspect.y = denom2; wmPtr->sizeHintsFlags |= PAspect; } WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmAttributesCmd -- * * This function is invoked to process the "wm attributes" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmAttributesCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; LONG style, exStyle, styleBit, *stylePtr = NULL; const char *string; int i, boolean; size_t length; int config_fullscreen = 0, updatewrapper = 0; int fullscreen_attr_changed = 0, fullscreen_attr = 0; if ((objc < 3) || ((objc > 5) && ((objc%2) == 0))) { configArgs: Tcl_WrongNumArgs(interp, 2, objv, "window" " ?-alpha ?double??" " ?-transparentcolor ?color??" " ?-disabled ?bool??" " ?-fullscreen ?bool??" " ?-toolwindow ?bool??" " ?-topmost ?bool??"); return TCL_ERROR; } exStyle = wmPtr->exStyleConfig; style = wmPtr->styleConfig; if (objc == 3) { Tcl_Obj *objPtr = Tcl_NewObj(); Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewStringObj("-alpha", -1)); Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewDoubleObj(wmPtr->alpha)); Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewStringObj("-transparentcolor", -1)); Tcl_ListObjAppendElement(NULL, objPtr, wmPtr->crefObj ? wmPtr->crefObj : Tcl_NewObj()); Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewStringObj("-disabled", -1)); Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewBooleanObj((style & WS_DISABLED))); Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewStringObj("-fullscreen", -1)); Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewBooleanObj((wmPtr->flags & WM_FULLSCREEN))); Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewStringObj("-toolwindow", -1)); Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewBooleanObj((exStyle & WS_EX_TOOLWINDOW))); Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewStringObj("-topmost", -1)); Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewBooleanObj((exStyle & WS_EX_TOPMOST))); Tcl_SetObjResult(interp, objPtr); return TCL_OK; } for (i = 3; i < objc; i += 2) { string = Tcl_GetString(objv[i]); length = objv[i]->length; if ((length < 2) || (string[0] != '-')) { goto configArgs; } if (strncmp(string, "-disabled", length) == 0) { stylePtr = &style; styleBit = WS_DISABLED; } else if ((strncmp(string, "-alpha", length) == 0) || ((length > 2) && (strncmp(string, "-transparentcolor", length) == 0))) { stylePtr = &exStyle; styleBit = WS_EX_LAYERED; } else if (strncmp(string, "-fullscreen", length) == 0) { config_fullscreen = 1; styleBit = 0; } else if ((length > 3) && (strncmp(string, "-toolwindow", length) == 0)) { stylePtr = &exStyle; styleBit = WS_EX_TOOLWINDOW; if (objc != 4) { /* * Changes to toolwindow style require an update */ updatewrapper = 1; } } else if ((length > 3) && (strncmp(string, "-topmost", length) == 0)) { stylePtr = &exStyle; styleBit = WS_EX_TOPMOST; if ((i < objc-1) && (winPtr->flags & TK_EMBEDDED)) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't set topmost flag on %s: it is an embedded window", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "ATTR", "TOPMOST", NULL); return TCL_ERROR; } } else { goto configArgs; } if (styleBit == WS_EX_LAYERED) { if (objc == 4) { if (string[1] == 'a') { /* -alpha */ Tcl_SetObjResult(interp, Tcl_NewDoubleObj(wmPtr->alpha)); } else { /* -transparentcolor */ Tcl_SetObjResult(interp, wmPtr->crefObj ? wmPtr->crefObj : Tcl_NewObj()); } } else { if (string[1] == 'a') { /* -alpha */ double dval; if (Tcl_GetDoubleFromObj(interp, objv[i+1], &dval) != TCL_OK) { return TCL_ERROR; } /* * The user should give (transparent) 0 .. 1.0 (opaque), * but we ignore the setting of this (it will always be 1) * in the case that the API is not available. */ if (dval < 0.0) { dval = 0; } else if (dval > 1.0) { dval = 1; } wmPtr->alpha = dval; } else { /* -transparentcolor */ const char *crefstr = Tcl_GetString(objv[i+1]); length = objv[i+1]->length; if (length == 0) { /* reset to no transparent color */ if (wmPtr->crefObj) { Tcl_DecrRefCount(wmPtr->crefObj); wmPtr->crefObj = NULL; } } else { XColor *cPtr = Tk_GetColor(interp, tkwin, Tk_GetUid(crefstr)); if (cPtr == NULL) { return TCL_ERROR; } if (wmPtr->crefObj) { Tcl_DecrRefCount(wmPtr->crefObj); } wmPtr->crefObj = objv[i+1]; Tcl_IncrRefCount(wmPtr->crefObj); wmPtr->colorref = RGB((BYTE) (cPtr->red >> 8), (BYTE) (cPtr->green >> 8), (BYTE) (cPtr->blue >> 8)); Tk_FreeColor(cPtr); } } /* * Only ever add the WS_EX_LAYERED bit, as it can cause * flashing to change this window style. This allows things * like fading tooltips to avoid flash ugliness without * forcing all window to be layered. */ if ((wmPtr->alpha < 1.0) || (wmPtr->crefObj != NULL)) { *stylePtr |= styleBit; } if (wmPtr->wrapper != NULL) { /* * Set the window directly regardless of UpdateWrapper. * The user supplies a double from [0..1], but Windows * wants an int (transparent) 0..255 (opaque), so do the * translation. Add the 0.5 to round the value. */ if (!(wmPtr->exStyleConfig & WS_EX_LAYERED)) { SetWindowLongPtr(wmPtr->wrapper, GWL_EXSTYLE, *stylePtr); } SetLayeredWindowAttributes((HWND) wmPtr->wrapper, wmPtr->colorref, (BYTE) (wmPtr->alpha * 255 + 0.5), (unsigned) (LWA_ALPHA | (wmPtr->crefObj ? LWA_COLORKEY : 0))); } } } else { if ((i < objc-1) && Tcl_GetBooleanFromObj(interp, objv[i+1], &boolean) != TCL_OK) { return TCL_ERROR; } if (config_fullscreen) { if (objc == 4) { Tcl_SetObjResult(interp, Tcl_NewBooleanObj( wmPtr->flags & WM_FULLSCREEN)); } else { fullscreen_attr_changed = 1; fullscreen_attr = boolean; } config_fullscreen = 0; } else if (objc == 4) { Tcl_SetObjResult(interp, Tcl_NewBooleanObj(*stylePtr & styleBit)); } else if (boolean) { *stylePtr |= styleBit; } else { *stylePtr &= ~styleBit; } } if ((styleBit == WS_EX_TOPMOST) && (wmPtr->wrapper != NULL)) { /* * Force the topmost position aspect to ensure that switching * between (no)topmost reflects properly when rewrapped. */ SetWindowPos(wmPtr->wrapper, ((exStyle & WS_EX_TOPMOST) ? HWND_TOPMOST : HWND_NOTOPMOST), 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE|SWP_NOSENDCHANGING |SWP_NOOWNERZORDER); } } if (wmPtr->styleConfig != style) { /* * Currently this means only WS_DISABLED changed, which we can effect * with EnableWindow. */ wmPtr->styleConfig = style; if ((wmPtr->exStyleConfig == exStyle) && !(wmPtr->flags & WM_NEVER_MAPPED)) { EnableWindow(wmPtr->wrapper, (style & WS_DISABLED) ? 0 : 1); } } if (wmPtr->exStyleConfig != exStyle) { wmPtr->exStyleConfig = exStyle; if (updatewrapper) { /* * UpdateWrapper ensure that all effects are properly handled, * such as TOOLWINDOW disappearing from the taskbar. */ if (!(wmPtr->flags & WM_NEVER_MAPPED)) { UpdateWrapper(winPtr); } } } if (fullscreen_attr_changed) { if (fullscreen_attr) { if (Tk_Attributes((Tk_Window) winPtr)->override_redirect) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't set fullscreen attribute for \"%s\":" " override-redirect flag is set", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "ATTR", "OVERRIDE_REDIRECT", NULL); return TCL_ERROR; } /* * Check max width and height if set by the user, don't worry * about the default values since they will likely be smaller than * screen width/height. */ if (((wmPtr->maxWidth > 0) && (WidthOfScreen(Tk_Screen(winPtr)) > wmPtr->maxWidth)) || ((wmPtr->maxHeight > 0) && (HeightOfScreen(Tk_Screen(winPtr)) > wmPtr->maxHeight))) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't set fullscreen attribute for \"%s\":" " max width/height is too small", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "ATTR", "SMALL_MAX", NULL); return TCL_ERROR; } } TkpWmSetFullScreen(winPtr, fullscreen_attr); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmClientCmd -- * * This function is invoked to process the "wm client" Tcl command. See * the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmClientCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; const char *argv3; size_t length; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?name?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->clientMachine != NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj(wmPtr->clientMachine, -1)); } return TCL_OK; } argv3 = Tcl_GetString(objv[3]); length = objv[3]->length; if (argv3[0] == 0) { if (wmPtr->clientMachine != NULL) { ckfree(wmPtr->clientMachine); wmPtr->clientMachine = NULL; if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XDeleteProperty(winPtr->display, winPtr->window, Tk_InternAtom((Tk_Window) winPtr,"WM_CLIENT_MACHINE")); } } return TCL_OK; } if (wmPtr->clientMachine != NULL) { ckfree(wmPtr->clientMachine); } wmPtr->clientMachine = ckalloc(length + 1); memcpy(wmPtr->clientMachine, argv3, length + 1); if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XTextProperty textProp; if (XStringListToTextProperty(&wmPtr->clientMachine, 1, &textProp) != 0) { XSetWMClientMachine(winPtr->display, winPtr->window, &textProp); XFree((char *) textProp.value); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmColormapwindowsCmd -- * * This function is invoked to process the "wm colormapwindows" Tcl * command. See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmColormapwindowsCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; TkWindow **cmapList, *winPtr2, **winPtr2Ptr = &winPtr2; int i, windowObjc, gotToplevel; Tcl_Obj **windowObjv, *resultObj; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?windowList?"); return TCL_ERROR; } if (objc == 3) { Tk_MakeWindowExist((Tk_Window) winPtr); resultObj = Tcl_NewObj(); for (i = 0; i < wmPtr->cmapCount; i++) { if ((i == (wmPtr->cmapCount-1)) && (wmPtr->flags & WM_ADDED_TOPLEVEL_COLORMAP)) { break; } Tcl_ListObjAppendElement(NULL, resultObj, TkNewWindowObj((Tk_Window) wmPtr->cmapList[i])); } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } if (Tcl_ListObjGetElements(interp, objv[3], &windowObjc, &windowObjv) != TCL_OK) { return TCL_ERROR; } cmapList = ckalloc((windowObjc + 1) * sizeof(TkWindow*)); gotToplevel = 0; for (i = 0; i < windowObjc; i++) { if (TkGetWindowFromObj(interp, tkwin, windowObjv[i], (Tk_Window *) winPtr2Ptr) != TCL_OK) { ckfree(cmapList); return TCL_ERROR; } if (winPtr2 == winPtr) { gotToplevel = 1; } if (winPtr2->window == None) { Tk_MakeWindowExist((Tk_Window) winPtr2); } cmapList[i] = winPtr2; } if (!gotToplevel) { wmPtr->flags |= WM_ADDED_TOPLEVEL_COLORMAP; cmapList[windowObjc] = winPtr; windowObjc++; } else { wmPtr->flags &= ~WM_ADDED_TOPLEVEL_COLORMAP; } wmPtr->flags |= WM_COLORMAPS_EXPLICIT; if (wmPtr->cmapList != NULL) { ckfree(wmPtr->cmapList); } wmPtr->cmapList = cmapList; wmPtr->cmapCount = windowObjc; /* * Now we need to force the updated colormaps to be installed. */ if (wmPtr == winPtr->dispPtr->foregroundWmPtr) { InstallColormaps(wmPtr->wrapper, WM_QUERYNEWPALETTE, 1); } else { InstallColormaps(wmPtr->wrapper, WM_PALETTECHANGED, 0); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmCommandCmd -- * * This function is invoked to process the "wm command" Tcl command. See * the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmCommandCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; const char *argv3; int cmdArgc; const char **cmdArgv; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?value?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->cmdArgv != NULL) { char *merged = Tcl_Merge(wmPtr->cmdArgc, wmPtr->cmdArgv); Tcl_SetObjResult(interp, Tcl_NewStringObj(merged, -1)); ckfree(merged); } return TCL_OK; } argv3 = Tcl_GetString(objv[3]); if (argv3[0] == 0) { if (wmPtr->cmdArgv != NULL) { ckfree(wmPtr->cmdArgv); wmPtr->cmdArgv = NULL; if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XDeleteProperty(winPtr->display, winPtr->window, Tk_InternAtom((Tk_Window) winPtr, "WM_COMMAND")); } } return TCL_OK; } if (Tcl_SplitList(interp, argv3, &cmdArgc, &cmdArgv) != TCL_OK) { return TCL_ERROR; } if (wmPtr->cmdArgv != NULL) { ckfree(wmPtr->cmdArgv); } wmPtr->cmdArgc = cmdArgc; wmPtr->cmdArgv = cmdArgv; if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XSetCommand(winPtr->display, winPtr->window, (char **) cmdArgv, cmdArgc); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmDeiconifyCmd -- * * This function is invoked to process the "wm deiconify" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmDeiconifyCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } if (wmPtr->iconFor != NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't deiconify %s: it is an icon for %s", Tcl_GetString(objv[2]), Tk_PathName(wmPtr->iconFor))); Tcl_SetErrorCode(interp, "TK", "WM", "DEICONIFY", "ICON", NULL); return TCL_ERROR; } if (winPtr->flags & TK_EMBEDDED) { if (!SendMessage(wmPtr->wrapper, TK_DEICONIFY, 0, 0)) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't deiconify %s: the container does not support the request", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "COMMUNICATION", NULL); return TCL_ERROR; } return TCL_OK; } TkpWinToplevelDeiconify(winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmFocusmodelCmd -- * * This function is invoked to process the "wm focusmodel" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmFocusmodelCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; static const char *const optionStrings[] = { "active", "passive", NULL }; enum options { OPT_ACTIVE, OPT_PASSIVE }; int index; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?active|passive?"); return TCL_ERROR; } if (objc == 3) { Tcl_SetObjResult(interp, Tcl_NewStringObj( wmPtr->hints.input ? "passive" : "active", -1)); return TCL_OK; } if (Tcl_GetIndexFromObjStruct(interp, objv[3], optionStrings, sizeof(char *), "argument", 0,&index) != TCL_OK) { return TCL_ERROR; } if (index == OPT_ACTIVE) { wmPtr->hints.input = False; } else { /* OPT_PASSIVE */ wmPtr->hints.input = True; } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmForgetCmd -- * * This procedure is invoked to process the "wm forget" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmForgetCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel or Frame to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register Tk_Window frameWin = (Tk_Window) winPtr; if (Tk_IsTopLevel(frameWin)) { Tk_UnmapWindow(frameWin); winPtr->flags &= ~(TK_TOP_HIERARCHY|TK_TOP_LEVEL|TK_HAS_WRAPPER|TK_WIN_MANAGED); Tk_MakeWindowExist((Tk_Window)winPtr->parentPtr); RemapWindows(winPtr, Tk_GetHWND(winPtr->parentPtr->window)); /* * Make sure wm no longer manages this window */ Tk_ManageGeometry(frameWin, NULL, NULL); TkWmDeadWindow(winPtr); /* flags (above) must be cleared before calling */ /* TkMapTopFrame (below) */ TkMapTopFrame(frameWin); } else { /* Already not managed by wm - ignore it */ } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmFrameCmd -- * * This function is invoked to process the "wm frame" Tcl command. See * the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmFrameCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; HWND hwnd; if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } if (Tk_WindowId((Tk_Window) winPtr) == None) { Tk_MakeWindowExist((Tk_Window) winPtr); } hwnd = wmPtr->wrapper; if (hwnd == NULL) { hwnd = Tk_GetHWND(Tk_WindowId((Tk_Window) winPtr)); } Tcl_SetObjResult(interp, Tcl_ObjPrintf("0x%x", PTR2INT(hwnd))); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmGeometryCmd -- * * This function is invoked to process the "wm geometry" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmGeometryCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; char xSign, ySign; int width, height; const char *argv3; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?newGeometry?"); return TCL_ERROR; } if (objc == 3) { xSign = (wmPtr->flags & WM_NEGATIVE_X) ? '-' : '+'; ySign = (wmPtr->flags & WM_NEGATIVE_Y) ? '-' : '+'; if (wmPtr->gridWin != NULL) { width = wmPtr->reqGridWidth + (winPtr->changes.width - winPtr->reqWidth)/wmPtr->widthInc; height = wmPtr->reqGridHeight + (winPtr->changes.height - winPtr->reqHeight)/wmPtr->heightInc; } else { width = winPtr->changes.width; height = winPtr->changes.height; } if (winPtr->flags & TK_EMBEDDED) { int result = SendMessage(wmPtr->wrapper, TK_MOVEWINDOW, -1, -1); wmPtr->x = result >> 16; wmPtr->y = result & 0x0000ffff; } Tcl_SetObjResult(interp, Tcl_ObjPrintf("%dx%d%c%d%c%d", width, height, xSign, wmPtr->x, ySign, wmPtr->y)); return TCL_OK; } argv3 = Tcl_GetString(objv[3]); if (*argv3 == '\0') { wmPtr->width = -1; wmPtr->height = -1; WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } return ParseGeometry(interp, argv3, winPtr); } /* *---------------------------------------------------------------------- * * WmGridCmd -- * * This function is invoked to process the "wm grid" Tcl command. See the * user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmGridCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int reqWidth, reqHeight, widthInc, heightInc; if ((objc != 3) && (objc != 7)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?baseWidth baseHeight widthInc heightInc?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->sizeHintsFlags & PBaseSize) { Tcl_Obj *results[4]; results[0] = Tcl_NewIntObj(wmPtr->reqGridWidth); results[1] = Tcl_NewIntObj(wmPtr->reqGridHeight); results[2] = Tcl_NewIntObj(wmPtr->widthInc); results[3] = Tcl_NewIntObj(wmPtr->heightInc); Tcl_SetObjResult(interp, Tcl_NewListObj(4, results)); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { /* * Turn off gridding and reset the width and height to make sense as * ungridded numbers. */ wmPtr->sizeHintsFlags &= ~(PBaseSize|PResizeInc); if (wmPtr->width != -1) { wmPtr->width = winPtr->reqWidth + (wmPtr->width - wmPtr->reqGridWidth)*wmPtr->widthInc; wmPtr->height = winPtr->reqHeight + (wmPtr->height - wmPtr->reqGridHeight)*wmPtr->heightInc; } wmPtr->widthInc = 1; wmPtr->heightInc = 1; } else { if ((Tcl_GetIntFromObj(interp, objv[3], &reqWidth) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[4], &reqHeight) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[5], &widthInc) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[6], &heightInc) != TCL_OK)) { return TCL_ERROR; } if (reqWidth < 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "baseWidth can't be < 0", -1)); Tcl_SetErrorCode(interp, "TK", "VALUE", "GRID", NULL); return TCL_ERROR; } if (reqHeight < 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "baseHeight can't be < 0", -1)); Tcl_SetErrorCode(interp, "TK", "VALUE", "GRID", NULL); return TCL_ERROR; } if (widthInc <= 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "widthInc can't be <= 0", -1)); Tcl_SetErrorCode(interp, "TK", "VALUE", "GRID", NULL); return TCL_ERROR; } if (heightInc <= 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "heightInc can't be <= 0", -1)); Tcl_SetErrorCode(interp, "TK", "VALUE", "GRID", NULL); return TCL_ERROR; } Tk_SetGrid((Tk_Window) winPtr, reqWidth, reqHeight, widthInc, heightInc); } WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmGroupCmd -- * * This function is invoked to process the "wm group" Tcl command. See * the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmGroupCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; Tk_Window tkwin2; const char *argv3; size_t length; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?pathName?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->hints.flags & WindowGroupHint) { Tcl_SetObjResult(interp, Tcl_NewStringObj(wmPtr->leaderName, -1)); } return TCL_OK; } argv3 = Tcl_GetString(objv[3]); length = objv[3]->length; if (*argv3 == '\0') { wmPtr->hints.flags &= ~WindowGroupHint; if (wmPtr->leaderName != NULL) { ckfree(wmPtr->leaderName); } wmPtr->leaderName = NULL; } else { if (TkGetWindowFromObj(interp, tkwin, objv[3], &tkwin2) != TCL_OK) { return TCL_ERROR; } Tk_MakeWindowExist(tkwin2); if (wmPtr->leaderName != NULL) { ckfree(wmPtr->leaderName); } wmPtr->hints.window_group = Tk_WindowId(tkwin2); wmPtr->hints.flags |= WindowGroupHint; wmPtr->leaderName = ckalloc(length + 1); memcpy(wmPtr->leaderName, argv3, length + 1); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconbitmapCmd -- * * This function is invoked to process the "wm iconbitmap" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconbitmapCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; TkWindow *useWinPtr = winPtr; /* window to apply to (NULL if -default) */ const char *string; if ((objc < 3) || (objc > 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?-default? ?image?"); return TCL_ERROR; } else if (objc == 5) { /* * If we have 5 arguments, we must have a '-default' flag. */ const char *argv3 = Tcl_GetString(objv[3]); if (strcmp(argv3, "-default")) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "illegal option \"%s\" must be \"-default\"", argv3)); Tcl_SetErrorCode(interp, "TK", "WM", "ICONBITMAP", "OPTION",NULL); return TCL_ERROR; } useWinPtr = NULL; } else if (objc == 3) { /* * No arguments were given. */ if (wmPtr->hints.flags & IconPixmapHint) { Tcl_SetObjResult(interp, Tcl_NewStringObj( Tk_NameOfBitmap(winPtr->display, wmPtr->hints.icon_pixmap), -1)); } return TCL_OK; } string = Tcl_GetString(objv[objc-1]); if (*string == '\0') { if (wmPtr->hints.icon_pixmap != None) { Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_pixmap); wmPtr->hints.icon_pixmap = None; } wmPtr->hints.flags &= ~IconPixmapHint; if (WinSetIcon(interp, NULL, (Tk_Window) useWinPtr) != TCL_OK) { return TCL_ERROR; } } else { /* * In the future this block of code will use Tk's 'image' * functionality to allow all supported image formats. However, this * will require a change to the way icons are handled. We will need to * add icon<->image conversions routines. * * Until that happens we simply try to find an icon in the given * argument, and if that fails, we use the older bitmap code. We do * things this way round (icon then bitmap), because the bitmap code * actually seems to have no visible effect, so we want to give the * icon code the first try at doing something. */ /* * Either return NULL, or return a valid titlebaricon with its ref * count already incremented. */ WinIconPtr titlebaricon = ReadIconFromFile(interp, objv[objc-1]); if (titlebaricon != NULL) { /* * Try to set the icon for the window. If it is a '-default' icon, * we must pass in NULL */ if (WinSetIcon(interp, titlebaricon, (Tk_Window) useWinPtr) != TCL_OK) { /* * We didn't use the titlebaricon after all. */ DecrIconRefCount(titlebaricon); titlebaricon = NULL; } } if (titlebaricon == NULL) { /* * We didn't manage to handle the argument as a valid icon. Try as * a bitmap. First we must clear the error message which was * placed in the interpreter. */ Pixmap pixmap; Tcl_ResetResult(interp); pixmap = Tk_GetBitmap(interp, (Tk_Window) winPtr, string); if (pixmap == None) { return TCL_ERROR; } wmPtr->hints.icon_pixmap = pixmap; wmPtr->hints.flags |= IconPixmapHint; titlebaricon = GetIconFromPixmap(Tk_Display(winPtr), pixmap); if (titlebaricon != NULL && WinSetIcon(interp, titlebaricon, (Tk_Window) useWinPtr) != TCL_OK) { /* * We didn't use the titlebaricon after all. */ DecrIconRefCount(titlebaricon); titlebaricon = NULL; } } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconifyCmd -- * * This function is invoked to process the "wm iconify" Tcl command. See * the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconifyCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } if (winPtr->flags & TK_EMBEDDED) { if (!SendMessage(wmPtr->wrapper, TK_ICONIFY, 0, 0)) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't iconify %s: the container does not support the request", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "ICONIFY", "EMBEDDED", NULL); return TCL_ERROR; } } if (Tk_Attributes((Tk_Window) winPtr)->override_redirect) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't iconify \"%s\": override-redirect flag is set", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "ICONIFY", "OVERRIDE_REDIRECT", NULL); return TCL_ERROR; } if (wmPtr->masterPtr != NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't iconify \"%s\": it is a transient", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "ICONIFY", "TRANSIENT", NULL); return TCL_ERROR; } if (wmPtr->iconFor != NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't iconify %s: it is an icon for %s", winPtr->pathName, Tk_PathName(wmPtr->iconFor))); Tcl_SetErrorCode(interp, "TK", "WM", "ICONIFY", "ICON", NULL); return TCL_ERROR; } TkpWmSetState(winPtr, IconicState); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconmaskCmd -- * * This function is invoked to process the "wm iconmask" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconmaskCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; Pixmap pixmap; const char *argv3; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?bitmap?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->hints.flags & IconMaskHint) { Tcl_SetObjResult(interp, Tcl_NewStringObj( Tk_NameOfBitmap(winPtr->display, wmPtr->hints.icon_mask), -1)); } return TCL_OK; } argv3 = Tcl_GetString(objv[3]); if (*argv3 == '\0') { if (wmPtr->hints.icon_mask != None) { Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_mask); } wmPtr->hints.flags &= ~IconMaskHint; } else { pixmap = Tk_GetBitmap(interp, tkwin, argv3); if (pixmap == None) { return TCL_ERROR; } wmPtr->hints.icon_mask = pixmap; wmPtr->hints.flags |= IconMaskHint; } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconnameCmd -- * * This function is invoked to process the "wm iconname" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconnameCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; const char *argv3; size_t length; if (objc > 4) { Tcl_WrongNumArgs(interp, 2, objv, "window ?newName?"); return TCL_ERROR; } if (objc == 3) { Tcl_SetObjResult(interp, Tcl_NewStringObj( (wmPtr->iconName ? wmPtr->iconName : ""), -1)); return TCL_OK; } else { if (wmPtr->iconName != NULL) { ckfree(wmPtr->iconName); } argv3 = Tcl_GetString(objv[3]); length = objv[3]->length; wmPtr->iconName = ckalloc(length + 1); memcpy(wmPtr->iconName, argv3, length + 1); if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XSetIconName(winPtr->display, winPtr->window, wmPtr->iconName); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconphotoCmd -- * * This function is invoked to process the "wm iconphoto" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconphotoCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { TkWindow *useWinPtr = winPtr; /* window to apply to (NULL if -default) */ Tk_PhotoHandle photo; Tk_PhotoImageBlock block; int i, width, height, idx, bufferSize, startObj = 3; union {unsigned char *ptr; void *voidPtr;} bgraPixel; union {unsigned char *ptr; void *voidPtr;} bgraMask; BlockOfIconImagesPtr lpIR; WinIconPtr titlebaricon = NULL; HICON hIcon; unsigned size; BITMAPINFO bmInfo; ICONINFO iconInfo; if (objc < 4) { Tcl_WrongNumArgs(interp, 2, objv, "window ?-default? image1 ?image2 ...?"); return TCL_ERROR; } /* * Iterate over all images to validate their existence. */ if (strcmp(Tcl_GetString(objv[3]), "-default") == 0) { useWinPtr = NULL; startObj = 4; if (objc == 4) { Tcl_WrongNumArgs(interp, 2, objv, "window ?-default? image1 ?image2 ...?"); return TCL_ERROR; } } for (i = startObj; i < objc; i++) { photo = Tk_FindPhoto(interp, Tcl_GetString(objv[i])); if (photo == NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't use \"%s\" as iconphoto: not a photo image", Tcl_GetString(objv[i]))); Tcl_SetErrorCode(interp, "TK", "WM", "ICONPHOTO", "PHOTO", NULL); return TCL_ERROR; } } /* * We have calculated the size of the data. Try to allocate the needed * memory space. */ size = sizeof(BlockOfIconImages) + (sizeof(ICONIMAGE) * (objc-startObj-1)); lpIR = attemptckalloc(size); if (lpIR == NULL) { return TCL_ERROR; } ZeroMemory(lpIR, size); lpIR->nNumImages = objc - startObj; for (i = startObj; i < objc; i++) { photo = Tk_FindPhoto(interp, Tcl_GetString(objv[i])); Tk_PhotoGetSize(photo, &width, &height); Tk_PhotoGetImage(photo, &block); /* * Don't use CreateIcon to create the icon, as it requires color * bitmap data in device-dependent format. Instead we use * CreateIconIndirect which takes device-independent bitmaps and * converts them as required. Initialise icon info structure. */ ZeroMemory(&iconInfo, sizeof(iconInfo)); iconInfo.fIcon = TRUE; /* * Create device-independant color bitmap. */ ZeroMemory(&bmInfo, sizeof bmInfo); bmInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); bmInfo.bmiHeader.biWidth = width; bmInfo.bmiHeader.biHeight = -height; bmInfo.bmiHeader.biPlanes = 1; bmInfo.bmiHeader.biBitCount = 32; bmInfo.bmiHeader.biCompression = BI_RGB; iconInfo.hbmColor = CreateDIBSection(NULL, &bmInfo, DIB_RGB_COLORS, &bgraPixel.voidPtr, NULL, 0); if (!iconInfo.hbmColor) { ckfree(lpIR); Tcl_SetObjResult(interp, Tcl_ObjPrintf( "failed to create color bitmap for \"%s\"", Tcl_GetString(objv[i]))); Tcl_SetErrorCode(interp, "TK", "WM", "ICONPHOTO", "BITMAP", NULL); return TCL_ERROR; } /* * Convert the photo image data into BGRA format (RGBQUAD). */ bufferSize = height * width * 4; for (idx = 0 ; idx < bufferSize ; idx += 4) { bgraPixel.ptr[idx] = block.pixelPtr[idx+2]; bgraPixel.ptr[idx+1] = block.pixelPtr[idx+1]; bgraPixel.ptr[idx+2] = block.pixelPtr[idx+0]; bgraPixel.ptr[idx+3] = block.pixelPtr[idx+3]; } /* * Create a dummy mask bitmap. The contents of this don't appear to * matter, as CreateIconIndirect will setup the icon mask based on the * alpha channel in our color bitmap. */ bmInfo.bmiHeader.biBitCount = 1; iconInfo.hbmMask = CreateDIBSection(NULL, &bmInfo, DIB_RGB_COLORS, &bgraMask.voidPtr, NULL, 0); if (!iconInfo.hbmMask) { DeleteObject(iconInfo.hbmColor); ckfree(lpIR); Tcl_SetObjResult(interp, Tcl_ObjPrintf( "failed to create mask bitmap for \"%s\"", Tcl_GetString(objv[i]))); Tcl_SetErrorCode(interp, "TK", "WM", "ICONPHOTO", "MASK", NULL); return TCL_ERROR; } ZeroMemory(bgraMask.ptr, width*height/8); /* * Create an icon from the bitmaps. */ hIcon = CreateIconIndirect(&iconInfo); DeleteObject(iconInfo.hbmColor); DeleteObject(iconInfo.hbmMask); if (hIcon == NULL) { /* * XXX should free up created icons. */ ckfree(lpIR); Tcl_SetObjResult(interp, Tcl_ObjPrintf( "failed to create icon for \"%s\"", Tcl_GetString(objv[i]))); Tcl_SetErrorCode(interp, "TK", "WM", "ICONPHOTO", "ICON", NULL); return TCL_ERROR; } lpIR->IconImages[i-startObj].Width = width; lpIR->IconImages[i-startObj].Height = height; lpIR->IconImages[i-startObj].Colors = 4; lpIR->IconImages[i-startObj].hIcon = hIcon; } titlebaricon = ckalloc(sizeof(WinIconInstance)); titlebaricon->iconBlock = lpIR; titlebaricon->refCount = 1; if (WinSetIcon(interp, titlebaricon, (Tk_Window) useWinPtr) != TCL_OK) { /* * We didn't use the titlebaricon after all. */ DecrIconRefCount(titlebaricon); return TCL_ERROR; } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconpositionCmd -- * * This function is invoked to process the "wm iconposition" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconpositionCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int x, y; if ((objc != 3) && (objc != 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?x y?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->hints.flags & IconPositionHint) { Tcl_Obj *results[2]; results[0] = Tcl_NewIntObj(wmPtr->hints.icon_x); results[1] = Tcl_NewIntObj(wmPtr->hints.icon_y); Tcl_SetObjResult(interp, Tcl_NewListObj(2, results)); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->hints.flags &= ~IconPositionHint; } else { if ((Tcl_GetIntFromObj(interp, objv[3], &x) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[4], &y) != TCL_OK)) { return TCL_ERROR; } wmPtr->hints.icon_x = x; wmPtr->hints.icon_y = y; wmPtr->hints.flags |= IconPositionHint; } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconwindowCmd -- * * This function is invoked to process the "wm iconwindow" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmIconwindowCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; Tk_Window tkwin2; WmInfo *wmPtr2; XSetWindowAttributes atts; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?pathName?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->icon != NULL) { Tcl_SetObjResult(interp, TkNewWindowObj(wmPtr->icon)); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->hints.flags &= ~IconWindowHint; if (wmPtr->icon != NULL) { /* * Let the window use button events again, then remove it as icon * window. */ atts.event_mask = Tk_Attributes(wmPtr->icon)->event_mask | ButtonPressMask; Tk_ChangeWindowAttributes(wmPtr->icon, CWEventMask, &atts); wmPtr2 = ((TkWindow *) wmPtr->icon)->wmInfoPtr; wmPtr2->iconFor = NULL; wmPtr2->hints.initial_state = WithdrawnState; } wmPtr->icon = NULL; } else { if (TkGetWindowFromObj(interp, tkwin, objv[3], &tkwin2) != TCL_OK) { return TCL_ERROR; } if (!Tk_IsTopLevel(tkwin2)) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't use %s as icon window: not at top level", Tcl_GetString(objv[3]))); Tcl_SetErrorCode(interp, "TK", "WM", "ICONWINDOW", "INNER", NULL); return TCL_ERROR; } wmPtr2 = ((TkWindow *) tkwin2)->wmInfoPtr; if (wmPtr2->iconFor != NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "%s is already an icon for %s", Tcl_GetString(objv[3]), Tk_PathName(wmPtr2->iconFor))); Tcl_SetErrorCode(interp, "TK", "WM", "ICONWINDOW", "ICON", NULL); return TCL_ERROR; } if (wmPtr->icon != NULL) { WmInfo *wmPtr3 = ((TkWindow *) wmPtr->icon)->wmInfoPtr; wmPtr3->iconFor = NULL; /* * Let the window use button events again. */ atts.event_mask = Tk_Attributes(wmPtr->icon)->event_mask | ButtonPressMask; Tk_ChangeWindowAttributes(wmPtr->icon, CWEventMask, &atts); } /* * Disable button events in the icon window: some window managers * (like olvwm) want to get the events themselves, but X only allows * one application at a time to receive button events for a window. */ atts.event_mask = Tk_Attributes(tkwin2)->event_mask & ~ButtonPressMask; Tk_ChangeWindowAttributes(tkwin2, CWEventMask, &atts); Tk_MakeWindowExist(tkwin2); wmPtr->hints.icon_window = Tk_WindowId(tkwin2); wmPtr->hints.flags |= IconWindowHint; wmPtr->icon = tkwin2; wmPtr2->iconFor = (Tk_Window) winPtr; if (!(wmPtr2->flags & WM_NEVER_MAPPED)) { wmPtr2->flags |= WM_WITHDRAWN; TkpWmSetState(((TkWindow *) tkwin2), WithdrawnState); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmManageCmd -- * * This procedure is invoked to process the "wm manage" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmManageCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel or Frame to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register Tk_Window frameWin = (Tk_Window) winPtr; register WmInfo *wmPtr = winPtr->wmInfoPtr; if (!Tk_IsTopLevel(frameWin)) { if (!Tk_IsManageable(frameWin)) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "window \"%s\" is not manageable: must be a frame," " labelframe or toplevel", Tk_PathName(frameWin))); Tcl_SetErrorCode(interp, "TK", "WM", "MANAGE", NULL); return TCL_ERROR; } TkFocusSplit(winPtr); Tk_UnmapWindow(frameWin); winPtr->flags |= TK_TOP_HIERARCHY|TK_TOP_LEVEL|TK_HAS_WRAPPER|TK_WIN_MANAGED; RemapWindows(winPtr, NULL); if (wmPtr == NULL) { TkWmNewWindow(winPtr); } wmPtr = winPtr->wmInfoPtr; winPtr->flags &= ~TK_MAPPED; /* flags (above) must be set before calling */ /* TkMapTopFrame (below) */ TkMapTopFrame (frameWin); } else if (Tk_IsTopLevel(frameWin)) { /* Already managed by wm - ignore it */ } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmMaxsizeCmd -- * * This function is invoked to process the "wm maxsize" Tcl command. See * the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmMaxsizeCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int width, height; if ((objc != 3) && (objc != 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?width height?"); return TCL_ERROR; } if (objc == 3) { Tcl_Obj *results[2]; GetMaxSize(wmPtr, &width, &height); results[0] = Tcl_NewIntObj(width); results[1] = Tcl_NewIntObj(height); Tcl_SetObjResult(interp, Tcl_NewListObj(2, results)); return TCL_OK; } if ((Tcl_GetIntFromObj(interp, objv[3], &width) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[4], &height) != TCL_OK)) { return TCL_ERROR; } wmPtr->maxWidth = width; wmPtr->maxHeight = height; WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmMinsizeCmd -- * * This function is invoked to process the "wm minsize" Tcl command. See * the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmMinsizeCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int width, height; if ((objc != 3) && (objc != 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?width height?"); return TCL_ERROR; } if (objc == 3) { Tcl_Obj *results[2]; GetMinSize(wmPtr, &width, &height); results[0] = Tcl_NewIntObj(width); results[1] = Tcl_NewIntObj(height); Tcl_SetObjResult(interp, Tcl_NewListObj(2, results)); return TCL_OK; } if ((Tcl_GetIntFromObj(interp, objv[3], &width) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[4], &height) != TCL_OK)) { return TCL_ERROR; } wmPtr->minWidth = width; wmPtr->minHeight = height; WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmOverrideredirectCmd -- * * This function is invoked to process the "wm overrideredirect" Tcl * command. See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmOverrideredirectCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int boolean, curValue; XSetWindowAttributes atts; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?boolean?"); return TCL_ERROR; } if (winPtr->flags & TK_EMBEDDED) { curValue = SendMessage(wmPtr->wrapper, TK_OVERRIDEREDIRECT, -1, -1)-1; if (curValue < 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "Container does not support overrideredirect", -1)); Tcl_SetErrorCode(interp, "TK", "WM", "COMMUNICATION", NULL); return TCL_ERROR; } } else { curValue = Tk_Attributes((Tk_Window) winPtr)->override_redirect; } if (objc == 3) { Tcl_SetObjResult(interp, Tcl_NewBooleanObj(curValue)); return TCL_OK; } if (Tcl_GetBooleanFromObj(interp, objv[3], &boolean) != TCL_OK) { return TCL_ERROR; } if (curValue != boolean) { if (winPtr->flags & TK_EMBEDDED) { SendMessage(wmPtr->wrapper, TK_OVERRIDEREDIRECT, boolean, 0); } else { /* * Only do this if we are really changing value, because it causes * some funky stuff to occur. */ atts.override_redirect = (boolean) ? True : False; Tk_ChangeWindowAttributes((Tk_Window) winPtr, CWOverrideRedirect, &atts); if (!(wmPtr->flags & (WM_NEVER_MAPPED)) && !(winPtr->flags & TK_EMBEDDED)) { UpdateWrapper(winPtr); } } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmPositionfromCmd -- * * This function is invoked to process the "wm positionfrom" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmPositionfromCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; static const char *const optionStrings[] = { "program", "user", NULL }; enum options { OPT_PROGRAM, OPT_USER }; int index; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?user/program?"); return TCL_ERROR; } if (objc == 3) { const char *sourceStr = ""; if (wmPtr->sizeHintsFlags & USPosition) { sourceStr = "user"; } else if (wmPtr->sizeHintsFlags & PPosition) { sourceStr = "program"; } Tcl_SetObjResult(interp, Tcl_NewStringObj(sourceStr, -1)); return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->sizeHintsFlags &= ~(USPosition|PPosition); } else { if (Tcl_GetIndexFromObjStruct(interp, objv[3], optionStrings, sizeof(char *), "argument", 0, &index) != TCL_OK) { return TCL_ERROR; } if (index == OPT_USER) { wmPtr->sizeHintsFlags &= ~PPosition; wmPtr->sizeHintsFlags |= USPosition; } else { wmPtr->sizeHintsFlags &= ~USPosition; wmPtr->sizeHintsFlags |= PPosition; } } WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmProtocolCmd -- * * This function is invoked to process the "wm protocol" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmProtocolCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; register ProtocolHandler *protPtr, *prevPtr; Atom protocol; const char *cmd; size_t cmdLength; Tcl_Obj *resultObj; if ((objc < 3) || (objc > 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?name? ?command?"); return TCL_ERROR; } if (objc == 3) { /* * Return a list of all defined protocols for the window. */ resultObj = Tcl_NewObj(); for (protPtr = wmPtr->protPtr; protPtr != NULL; protPtr = protPtr->nextPtr) { Tcl_ListObjAppendElement(NULL, resultObj, Tcl_NewStringObj( Tk_GetAtomName((Tk_Window)winPtr, protPtr->protocol), -1)); } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } protocol = Tk_InternAtom((Tk_Window) winPtr, Tcl_GetString(objv[3])); if (objc == 4) { /* * Return the command to handle a given protocol. */ for (protPtr = wmPtr->protPtr; protPtr != NULL; protPtr = protPtr->nextPtr) { if (protPtr->protocol == protocol) { Tcl_SetObjResult(interp, Tcl_NewStringObj(protPtr->command, -1)); return TCL_OK; } } return TCL_OK; } /* * Delete any current protocol handler, then create a new one with the * specified command, unless the command is empty. */ for (protPtr = wmPtr->protPtr, prevPtr = NULL; protPtr != NULL; prevPtr = protPtr, protPtr = protPtr->nextPtr) { if (protPtr->protocol == protocol) { if (prevPtr == NULL) { wmPtr->protPtr = protPtr->nextPtr; } else { prevPtr->nextPtr = protPtr->nextPtr; } Tcl_EventuallyFree(protPtr, TCL_DYNAMIC); break; } } cmd = Tcl_GetString(objv[4]); cmdLength = objv[4]->length; if (cmdLength > 0) { protPtr = ckalloc(HANDLER_SIZE(cmdLength)); protPtr->protocol = protocol; protPtr->nextPtr = wmPtr->protPtr; wmPtr->protPtr = protPtr; protPtr->interp = interp; memcpy(protPtr->command, cmd, cmdLength + 1); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmResizableCmd -- * * This function is invoked to process the "wm resizable" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmResizableCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int width, height; if ((objc != 3) && (objc != 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?width height?"); return TCL_ERROR; } if (objc == 3) { Tcl_Obj *results[2]; results[0] = Tcl_NewBooleanObj(!(wmPtr->flags&WM_WIDTH_NOT_RESIZABLE)); results[1] = Tcl_NewBooleanObj(!(wmPtr->flags&WM_HEIGHT_NOT_RESIZABLE)); Tcl_SetObjResult(interp, Tcl_NewListObj(2, results)); return TCL_OK; } if ((Tcl_GetBooleanFromObj(interp, objv[3], &width) != TCL_OK) || (Tcl_GetBooleanFromObj(interp, objv[4], &height) != TCL_OK)) { return TCL_ERROR; } if (width) { wmPtr->flags &= ~WM_WIDTH_NOT_RESIZABLE; } else { wmPtr->flags |= WM_WIDTH_NOT_RESIZABLE; } if (height) { wmPtr->flags &= ~WM_HEIGHT_NOT_RESIZABLE; } else { wmPtr->flags |= WM_HEIGHT_NOT_RESIZABLE; } if (!((wmPtr->flags & WM_NEVER_MAPPED) && !(winPtr->flags & TK_EMBEDDED))) { UpdateWrapper(winPtr); } WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmSizefromCmd -- * * This function is invoked to process the "wm sizefrom" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmSizefromCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; static const char *const optionStrings[] = { "program", "user", NULL }; enum options { OPT_PROGRAM, OPT_USER }; int index; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?user|program?"); return TCL_ERROR; } if (objc == 3) { const char *sourceStr = ""; if (wmPtr->sizeHintsFlags & USSize) { sourceStr = "user"; } else if (wmPtr->sizeHintsFlags & PSize) { sourceStr = "program"; } Tcl_SetObjResult(interp, Tcl_NewStringObj(sourceStr, -1)); return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->sizeHintsFlags &= ~(USSize|PSize); } else { if (Tcl_GetIndexFromObjStruct(interp, objv[3], optionStrings, sizeof(char *), "argument", 0, &index) != TCL_OK) { return TCL_ERROR; } if (index == OPT_USER) { wmPtr->sizeHintsFlags &= ~PSize; wmPtr->sizeHintsFlags |= USSize; } else { /* OPT_PROGRAM */ wmPtr->sizeHintsFlags &= ~USSize; wmPtr->sizeHintsFlags |= PSize; } } WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmStackorderCmd -- * * This function is invoked to process the "wm stackorder" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmStackorderCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { TkWindow **windows, **windowPtr; static const char *const optionStrings[] = { "isabove", "isbelow", NULL }; enum options { OPT_ISABOVE, OPT_ISBELOW }; Tcl_Obj *resultObj; int index; if ((objc != 3) && (objc != 5)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?isabove|isbelow window?"); return TCL_ERROR; } if (objc == 3) { windows = TkWmStackorderToplevel(winPtr); if (windows == NULL) { Tcl_Panic("TkWmStackorderToplevel failed"); } resultObj = Tcl_NewObj(); for (windowPtr = windows; *windowPtr ; windowPtr++) { Tcl_ListObjAppendElement(NULL, resultObj, TkNewWindowObj((Tk_Window) *windowPtr)); } Tcl_SetObjResult(interp, resultObj); ckfree(windows); return TCL_OK; } else { TkWindow *winPtr2, **winPtr2Ptr = &winPtr2; int index1 = -1, index2 = -1, result; if (TkGetWindowFromObj(interp, tkwin, objv[4], (Tk_Window *) winPtr2Ptr) != TCL_OK) { return TCL_ERROR; } if (!Tk_IsTopLevel(winPtr2)) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "window \"%s\" isn't a top-level window", winPtr2->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "STACK", "TOPLEVEL", NULL); return TCL_ERROR; } if (!Tk_IsMapped(winPtr)) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "window \"%s\" isn't mapped", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "STACK", "MAPPED", NULL); return TCL_ERROR; } if (!Tk_IsMapped(winPtr2)) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "window \"%s\" isn't mapped", winPtr2->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "STACK", "MAPPED", NULL); return TCL_ERROR; } /* * Lookup stacking order of all toplevels that are children of "." and * find the position of winPtr and winPtr2 in the stacking order. */ windows = TkWmStackorderToplevel(winPtr->mainPtr->winPtr); if (windows == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "TkWmStackorderToplevel failed", -1)); Tcl_SetErrorCode(interp, "TK", "WM", "COMMUNICATION", NULL); return TCL_ERROR; } for (windowPtr = windows; *windowPtr ; windowPtr++) { if (*windowPtr == winPtr) { index1 = (windowPtr - windows); } if (*windowPtr == winPtr2) { index2 = (windowPtr - windows); } } if (index1 == -1) { Tcl_Panic("winPtr window not found"); } else if (index2 == -1) { Tcl_Panic("winPtr2 window not found"); } ckfree(windows); if (Tcl_GetIndexFromObjStruct(interp, objv[3], optionStrings, sizeof(char *), "argument", 0, &index) != TCL_OK) { return TCL_ERROR; } if (index == OPT_ISABOVE) { result = index1 > index2; } else { /* OPT_ISBELOW */ result = index1 < index2; } Tcl_SetObjResult(interp, Tcl_NewBooleanObj(result)); return TCL_OK; } } /* *---------------------------------------------------------------------- * * WmStateCmd -- * * This function is invoked to process the "wm state" Tcl command. See * the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmStateCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; static const char *const optionStrings[] = { "normal", "iconic", "withdrawn", "zoomed", NULL }; enum options { OPT_NORMAL, OPT_ICONIC, OPT_WITHDRAWN, OPT_ZOOMED }; int index; if ((objc < 3) || (objc > 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?state?"); return TCL_ERROR; } if (objc == 4) { if (wmPtr->iconFor != NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't change state of %s: it is an icon for %s", Tcl_GetString(objv[2]), Tk_PathName(wmPtr->iconFor))); Tcl_SetErrorCode(interp, "TK", "WM", "STATE", "ICON", NULL); return TCL_ERROR; } if (Tcl_GetIndexFromObjStruct(interp, objv[3], optionStrings, sizeof(char *), "argument", 0, &index) != TCL_OK) { return TCL_ERROR; } if (winPtr->flags & TK_EMBEDDED) { int state = 0; switch (index) { case OPT_NORMAL: state = NormalState; break; case OPT_ICONIC: state = IconicState; break; case OPT_WITHDRAWN: state = WithdrawnState; break; case OPT_ZOOMED: state = ZoomState; break; default: Tcl_Panic("unexpected index"); } if (state+1 != SendMessage(wmPtr->wrapper, TK_STATE, state, 0)) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't change state of %s: the container does not support the request", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "COMMUNICATION", NULL); return TCL_ERROR; } return TCL_OK; } if (index == OPT_NORMAL) { wmPtr->flags &= ~WM_WITHDRAWN; TkpWmSetState(winPtr, NormalState); /* * This varies from 'wm deiconify' because it does not force the * window to be raised and receive focus. */ } else if (index == OPT_ICONIC) { if (Tk_Attributes((Tk_Window) winPtr)->override_redirect) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't iconify \"%s\": override-redirect flag is set", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "STATE", "OVERRIDE_REDIRECT", NULL); return TCL_ERROR; } if (wmPtr->masterPtr != NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't iconify \"%s\": it is a transient", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "STATE", "TRANSIENT", NULL); return TCL_ERROR; } TkpWmSetState(winPtr, IconicState); } else if (index == OPT_WITHDRAWN) { wmPtr->flags |= WM_WITHDRAWN; TkpWmSetState(winPtr, WithdrawnState); } else if (index == OPT_ZOOMED) { TkpWmSetState(winPtr, ZoomState); } else { Tcl_Panic("wm state not matched"); } } else { const char *stateStr = ""; if (wmPtr->iconFor != NULL) { stateStr = "icon"; } else { int state; if (winPtr->flags & TK_EMBEDDED) { state = SendMessage(wmPtr->wrapper, TK_STATE, -1, -1) - 1; } else { state = wmPtr->hints.initial_state; } switch (state) { case NormalState: stateStr = "normal"; break; case IconicState: stateStr = "iconic"; break; case WithdrawnState: stateStr = "withdrawn"; break; case ZoomState: stateStr = "zoomed"; break; } } Tcl_SetObjResult(interp, Tcl_NewStringObj(stateStr, -1)); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmTitleCmd -- * * This function is invoked to process the "wm title" Tcl command. See * the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmTitleCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; const char *argv3; size_t length; HWND wrapper; if (objc > 4) { Tcl_WrongNumArgs(interp, 2, objv, "window ?newTitle?"); return TCL_ERROR; } if (winPtr->flags & TK_EMBEDDED) { wrapper = (HWND) SendMessage(wmPtr->wrapper, TK_GETFRAMEWID, 0, 0); } else { wrapper = wmPtr->wrapper; } if (objc == 3) { if (wrapper) { TCHAR buf[256]; Tcl_DString titleString; int size = 256; GetWindowText(wrapper, buf, size); Tcl_WinTCharToUtf(buf, -1, &titleString); Tcl_SetObjResult(interp, Tcl_NewStringObj( Tcl_DStringValue(&titleString), Tcl_DStringLength(&titleString))); Tcl_DStringFree(&titleString); } else { Tcl_SetObjResult(interp, Tcl_NewStringObj( (wmPtr->title ? wmPtr->title : winPtr->nameUid), -1)); } } else { if (wmPtr->title != NULL) { ckfree(wmPtr->title); } argv3 = Tcl_GetString(objv[3]); length = objv[3]->length; wmPtr->title = ckalloc(length + 1); memcpy(wmPtr->title, argv3, length + 1); if (!(wmPtr->flags & WM_NEVER_MAPPED) && wmPtr->wrapper != NULL) { Tcl_DString titleString; Tcl_WinUtfToTChar(wmPtr->title, -1, &titleString); SetWindowText(wrapper, (LPCTSTR) Tcl_DStringValue(&titleString)); Tcl_DStringFree(&titleString); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmTransientCmd -- * * This function is invoked to process the "wm transient" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmTransientCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; TkWindow *masterPtr = wmPtr->masterPtr, **masterPtrPtr = &masterPtr; WmInfo *wmPtr2; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?master?"); return TCL_ERROR; } if (objc == 3) { if (masterPtr != NULL) { Tcl_SetObjResult(interp, TkNewWindowObj((Tk_Window) masterPtr)); } return TCL_OK; } if (Tcl_GetString(objv[3])[0] == '\0') { if (masterPtr != NULL) { /* * If we had a master, tell them that we aren't tied to them * anymore. */ masterPtr->wmInfoPtr->numTransients--; Tk_DeleteEventHandler((Tk_Window) masterPtr, VisibilityChangeMask|StructureNotifyMask, WmWaitVisibilityOrMapProc, winPtr); } wmPtr->masterPtr = NULL; } else { if (TkGetWindowFromObj(interp, tkwin, objv[3], (Tk_Window *) masterPtrPtr) != TCL_OK) { return TCL_ERROR; } while (!Tk_TopWinHierarchy(masterPtr)) { /* * Ensure that the master window is actually a Tk toplevel. */ masterPtr = masterPtr->parentPtr; } Tk_MakeWindowExist((Tk_Window) masterPtr); if (wmPtr->iconFor != NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't make \"%s\" a transient: it is an icon for %s", Tcl_GetString(objv[2]), Tk_PathName(wmPtr->iconFor))); Tcl_SetErrorCode(interp, "TK", "WM", "TRANSIENT", "ICON", NULL); return TCL_ERROR; } wmPtr2 = masterPtr->wmInfoPtr; if (wmPtr2->iconFor != NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't make \"%s\" a master: it is an icon for %s", Tcl_GetString(objv[3]), Tk_PathName(wmPtr2->iconFor))); Tcl_SetErrorCode(interp, "TK", "WM", "TRANSIENT", "ICON", NULL); return TCL_ERROR; } if (masterPtr == winPtr) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't make \"%s\" its own master", Tk_PathName(winPtr))); Tcl_SetErrorCode(interp, "TK", "WM", "TRANSIENT", "SELF", NULL); return TCL_ERROR; } else if (masterPtr != wmPtr->masterPtr) { /* * Remove old master map/unmap binding before setting the new * master. The event handler will ensure that transient states * reflect the state of the master. */ if (wmPtr->masterPtr != NULL) { wmPtr->masterPtr->wmInfoPtr->numTransients--; Tk_DeleteEventHandler((Tk_Window) wmPtr->masterPtr, VisibilityChangeMask|StructureNotifyMask, WmWaitVisibilityOrMapProc, winPtr); } masterPtr->wmInfoPtr->numTransients++; Tk_CreateEventHandler((Tk_Window) masterPtr, VisibilityChangeMask|StructureNotifyMask, WmWaitVisibilityOrMapProc, winPtr); wmPtr->masterPtr = masterPtr; } } if (!((wmPtr->flags & WM_NEVER_MAPPED) && !(winPtr->flags & TK_EMBEDDED))) { if (wmPtr->masterPtr != NULL && !Tk_IsMapped(wmPtr->masterPtr)) { TkpWmSetState(winPtr, WithdrawnState); } else { UpdateWrapper(winPtr); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmWithdrawCmd -- * * This function is invoked to process the "wm withdraw" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmWithdrawCmd( Tk_Window tkwin, /* Main window of the application. */ TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter. */ int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } if (wmPtr->iconFor != NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't withdraw %s: it is an icon for %s", Tcl_GetString(objv[2]), Tk_PathName(wmPtr->iconFor))); Tcl_SetErrorCode(interp, "TK", "WM", "WITHDRAW", "ICON", NULL); return TCL_ERROR; } if (winPtr->flags & TK_EMBEDDED) { if (SendMessage(wmPtr->wrapper, TK_WITHDRAW, 0, 0) < 0) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't withdraw %s: the container does not support the request", Tcl_GetString(objv[2]))); Tcl_SetErrorCode(interp, "TK", "WM", "COMMUNICATION", NULL); return TCL_ERROR; } } else { wmPtr->flags |= WM_WITHDRAWN; TkpWmSetState(winPtr, WithdrawnState); } return TCL_OK; } /* * Invoked by those wm subcommands that affect geometry. Schedules a geometry * update. */ static void WmUpdateGeom( WmInfo *wmPtr, TkWindow *winPtr) { if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /*ARGSUSED*/ static void WmWaitVisibilityOrMapProc( ClientData clientData, /* Pointer to window. */ XEvent *eventPtr) /* Information about event. */ { TkWindow *winPtr = clientData; TkWindow *masterPtr = winPtr->wmInfoPtr->masterPtr; if (masterPtr == NULL) return; if (eventPtr->type == MapNotify) { if (!(winPtr->wmInfoPtr->flags & WM_WITHDRAWN)) { TkpWmSetState(winPtr, NormalState); } } else if (eventPtr->type == UnmapNotify) { TkpWmSetState(winPtr, WithdrawnState); } if (eventPtr->type == VisibilityNotify) { int state = masterPtr->wmInfoPtr->hints.initial_state; if ((state == NormalState) || (state == ZoomState)) { state = winPtr->wmInfoPtr->hints.initial_state; if ((state == NormalState) || (state == ZoomState)) { UpdateWrapper(winPtr); } } } } /* *---------------------------------------------------------------------- * * Tk_SetGrid -- * * This function is invoked by a widget when it wishes to set a grid * coordinate system that controls the size of a top-level window. It * provides a C interface equivalent to the "wm grid" command and is * usually associated with the -setgrid option. * * Results: * None. * * Side effects: * Grid-related information will be passed to the window manager, so that * the top-level window associated with tkwin will resize on even grid * units. If some other window already controls gridding for the * top-level window then this function call has no effect. * *---------------------------------------------------------------------- */ void Tk_SetGrid( Tk_Window tkwin, /* Token for window. New window mgr info will * be posted for the top-level window * associated with this window. */ int reqWidth, /* Width (in grid units) corresponding to the * requested geometry for tkwin. */ int reqHeight, /* Height (in grid units) corresponding to the * requested geometry for tkwin. */ int widthInc, int heightInc)/* Pixel increments corresponding to a change * of one grid unit. */ { TkWindow *winPtr = (TkWindow *) tkwin; register WmInfo *wmPtr; /* * Ensure widthInc and heightInc are greater than 0 */ if (widthInc <= 0) { widthInc = 1; } if (heightInc <= 0) { heightInc = 1; } /* * Find the top-level window for tkwin, plus the window manager * information. */ while (!(winPtr->flags & TK_TOP_HIERARCHY)) { winPtr = winPtr->parentPtr; } wmPtr = winPtr->wmInfoPtr; if (wmPtr == NULL) { return; } if ((wmPtr->gridWin != NULL) && (wmPtr->gridWin != tkwin)) { return; } if ((wmPtr->reqGridWidth == reqWidth) && (wmPtr->reqGridHeight == reqHeight) && (wmPtr->widthInc == widthInc) && (wmPtr->heightInc == heightInc) && ((wmPtr->sizeHintsFlags & (PBaseSize|PResizeInc)) == (PBaseSize|PResizeInc))) { return; } /* * If gridding was previously off, then forget about any window size * requests made by the user or via "wm geometry": these are in pixel * units and there's no easy way to translate them to grid units since the * new requested size of the top-level window in pixels may not yet have * been registered yet (it may filter up the hierarchy in DoWhenIdle * handlers). However, if the window has never been mapped yet then just * leave the window size alone: assume that it is intended to be in grid * units but just happened to have been specified before this function was * called. */ if ((wmPtr->gridWin == NULL) && !(wmPtr->flags & WM_NEVER_MAPPED)) { wmPtr->width = -1; wmPtr->height = -1; } /* * Set the new gridding information, and start the process of passing all * of this information to the window manager. */ wmPtr->gridWin = tkwin; wmPtr->reqGridWidth = reqWidth; wmPtr->reqGridHeight = reqHeight; wmPtr->widthInc = widthInc; wmPtr->heightInc = heightInc; wmPtr->sizeHintsFlags |= PBaseSize|PResizeInc; if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * Tk_UnsetGrid -- * * This function cancels the effect of a previous call to Tk_SetGrid. * * Results: * None. * * Side effects: * If tkwin currently controls gridding for its top-level window, * gridding is cancelled for that top-level window; if some other window * controls gridding then this function has no effect. * *---------------------------------------------------------------------- */ void Tk_UnsetGrid( Tk_Window tkwin) /* Token for window that is currently * controlling gridding. */ { TkWindow *winPtr = (TkWindow *) tkwin; register WmInfo *wmPtr; /* * Find the top-level window for tkwin, plus the window manager * information. */ while (!(winPtr->flags & TK_TOP_HIERARCHY)) { winPtr = winPtr->parentPtr; } wmPtr = winPtr->wmInfoPtr; if (wmPtr == NULL) { return; } if (tkwin != wmPtr->gridWin) { return; } wmPtr->gridWin = NULL; wmPtr->sizeHintsFlags &= ~(PBaseSize|PResizeInc); if (wmPtr->width != -1) { wmPtr->width = winPtr->reqWidth + (wmPtr->width - wmPtr->reqGridWidth)*wmPtr->widthInc; wmPtr->height = winPtr->reqHeight + (wmPtr->height - wmPtr->reqGridHeight)*wmPtr->heightInc; } wmPtr->widthInc = 1; wmPtr->heightInc = 1; if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * TopLevelEventProc -- * * This function is invoked when a top-level (or other externally-managed * window) is restructured in any way. * * Results: * None. * * Side effects: * Tk's internal data structures for the window get modified to reflect * the structural change. * *---------------------------------------------------------------------- */ static void TopLevelEventProc( ClientData clientData, /* Window for which event occurred. */ XEvent *eventPtr) /* Event that just happened. */ { register TkWindow *winPtr = clientData; if (eventPtr->type == DestroyNotify) { Tk_ErrorHandler handler; if (!(winPtr->flags & TK_ALREADY_DEAD)) { /* * A top-level window was deleted externally (e.g., by the window * manager). This is probably not a good thing, but cleanup as * best we can. The error handler is needed because * Tk_DestroyWindow will try to destroy the window, but of course * it's already gone. */ handler = Tk_CreateErrorHandler(winPtr->display, -1, -1, -1, NULL, NULL); Tk_DestroyWindow((Tk_Window) winPtr); Tk_DeleteErrorHandler(handler); } } } /* *---------------------------------------------------------------------- * * TopLevelReqProc -- * * This function is invoked by the geometry manager whenever the * requested size for a top-level window is changed. * * Results: * None. * * Side effects: * Arrange for the window to be resized to satisfy the request (this * happens as a when-idle action). * *---------------------------------------------------------------------- */ /* ARGSUSED */ static void TopLevelReqProc( ClientData dummy, /* Not used. */ Tk_Window tkwin) /* Information about window. */ { TkWindow *winPtr = (TkWindow *) tkwin; WmInfo *wmPtr; wmPtr = winPtr->wmInfoPtr; if (wmPtr) { if ((winPtr->flags & TK_EMBEDDED) && (wmPtr->wrapper != NULL)) { SendMessage(wmPtr->wrapper, TK_GEOMETRYREQ, Tk_ReqWidth(tkwin), Tk_ReqHeight(tkwin)); } if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } } /* *---------------------------------------------------------------------- * * UpdateGeometryInfo -- * * This function is invoked when a top-level window is first mapped, and * also as a when-idle function, to bring the geometry and/or position of * a top-level window back into line with what has been requested by the * user and/or widgets. This function doesn't return until the system has * responded to the geometry change. * * Results: * None. * * Side effects: * The window's size and location may change, unless the WM prevents that * from happening. * *---------------------------------------------------------------------- */ static void UpdateGeometryInfo( ClientData clientData) /* Pointer to the window's record. */ { int x, y; /* Position of border on desktop. */ int width, height; /* Size of client area. */ int min, max; RECT rect; register TkWindow *winPtr = clientData; register WmInfo *wmPtr = winPtr->wmInfoPtr; wmPtr->flags &= ~WM_UPDATE_PENDING; /* * If the window is minimized or maximized, we should not update our * geometry since it will end up with the wrong values. ConfigureToplevel * will reschedule UpdateGeometryInfo when the state of the window * changes. */ if (wmPtr->wrapper && (IsIconic(wmPtr->wrapper) || IsZoomed(wmPtr->wrapper) || (wmPtr->flags & WM_FULLSCREEN))) { return; } /* * Compute the border size for the current window style. This size will * include the resize handles, the title bar and the menubar. Note that * this size will not be correct if the menubar spans multiple lines. The * height will be off by a multiple of the menubar height. It really only * measures the minimum size of the border. */ rect.left = rect.right = rect.top = rect.bottom = 0; AdjustWindowRectEx(&rect, wmPtr->style, wmPtr->hMenu != NULL, wmPtr->exStyle); wmPtr->borderWidth = rect.right - rect.left; wmPtr->borderHeight = rect.bottom - rect.top; /* * Compute the new size for the top-level window. See the user * documentation for details on this, but the size requested depends on * (a) the size requested internally by the window's widgets, (b) the size * requested by the user in a "wm geometry" command or via wm-based * interactive resizing (if any), (c) whether or not the window is * gridded, and (d) the current min or max size for the toplevel. Don't * permit sizes <= 0 because this upsets the X server. */ if (wmPtr->width == -1) { width = winPtr->reqWidth; } else if (wmPtr->gridWin != NULL) { width = winPtr->reqWidth + (wmPtr->width - wmPtr->reqGridWidth)*wmPtr->widthInc; } else { width = wmPtr->width; } if (width <= 0) { width = 1; } /* * Account for window max/min width */ if (wmPtr->gridWin != NULL) { min = winPtr->reqWidth + (wmPtr->minWidth - wmPtr->reqGridWidth)*wmPtr->widthInc; if (wmPtr->maxWidth > 0) { max = winPtr->reqWidth + (wmPtr->maxWidth - wmPtr->reqGridWidth)*wmPtr->widthInc; } else { max = 0; } } else { min = wmPtr->minWidth; max = wmPtr->maxWidth; } if (width < min) { width = min; } else if ((max > 0) && (width > max)) { width = max; } if (wmPtr->height == -1) { height = winPtr->reqHeight; } else if (wmPtr->gridWin != NULL) { height = winPtr->reqHeight + (wmPtr->height - wmPtr->reqGridHeight)*wmPtr->heightInc; } else { height = wmPtr->height; } if (height <= 0) { height = 1; } /* * Account for window max/min height */ if (wmPtr->gridWin != NULL) { min = winPtr->reqHeight + (wmPtr->minHeight - wmPtr->reqGridHeight)*wmPtr->heightInc; if (wmPtr->maxHeight > 0) { max = winPtr->reqHeight + (wmPtr->maxHeight-wmPtr->reqGridHeight)*wmPtr->heightInc; } else { max = 0; } } else { min = wmPtr->minHeight; max = wmPtr->maxHeight; } if (height < min) { height = min; } else if ((max > 0) && (height > max)) { height = max; } /* * Compute the new position for the upper-left pixel of the window's * decorative frame. This is tricky, because we need to include the border * widths supplied by a reparented parent in this calculation, but can't * use the parent's current overall size since that may change as a result * of this code. */ if (wmPtr->flags & WM_NEGATIVE_X) { x = DisplayWidth(winPtr->display, winPtr->screenNum) - wmPtr->x - (width + wmPtr->borderWidth); } else { x = wmPtr->x; } if (wmPtr->flags & WM_NEGATIVE_Y) { y = DisplayHeight(winPtr->display, winPtr->screenNum) - wmPtr->y - (height + wmPtr->borderHeight); } else { y = wmPtr->y; } /* * Reconfigure the window if it isn't already configured correctly. Base * the size check on what we *asked for* last time, not what we got. * Return immediately if there have been no changes in the requested * geometry of the toplevel. */ /* TODO: need to add flag for possible menu size change */ if (!(wmPtr->flags & WM_MOVE_PENDING) && (width == wmPtr->configWidth) && (height == wmPtr->configHeight)) { return; } wmPtr->flags &= ~WM_MOVE_PENDING; wmPtr->configWidth = width; wmPtr->configHeight = height; /* * Don't bother moving the window if we are in the process of creating it. * Just update the geometry info based on what we asked for. */ if (wmPtr->flags & WM_CREATE_PENDING) { winPtr->changes.x = x; winPtr->changes.y = y; winPtr->changes.width = width; winPtr->changes.height = height; return; } wmPtr->flags |= WM_SYNC_PENDING; if (winPtr->flags & TK_EMBEDDED) { /* * The wrapper window is in a different process, so we need to send it * a geometry request. This protocol assumes that the other process * understands this Tk message, otherwise our requested geometry will * be ignored. */ SendMessage(wmPtr->wrapper, TK_MOVEWINDOW, x, y); SendMessage(wmPtr->wrapper, TK_GEOMETRYREQ, width, height); } else { int reqHeight, reqWidth; RECT windowRect; int menuInc = GetSystemMetrics(SM_CYMENU); int newHeight; /* * We have to keep resizing the window until we get the requested * height in the client area. If the client area has zero height, then * the window rect is too small by definition. Try increasing the * border height and try again. Once we have a positive size, then we * can adjust the height exactly. If the window rect comes back * smaller than we requested, we have hit the maximum constraints that * Windows imposes. Once we find a positive client size, the next size * is the one we try no matter what. */ reqHeight = height + wmPtr->borderHeight; reqWidth = width + wmPtr->borderWidth; while (1) { MoveWindow(wmPtr->wrapper, x, y, reqWidth, reqHeight, TRUE); GetWindowRect(wmPtr->wrapper, &windowRect); newHeight = windowRect.bottom - windowRect.top; /* * If the request wasn't satisfied, we have hit an external * constraint and must stop. */ if (newHeight < reqHeight) { break; } /* * Now check the size of the client area against our ideal. */ GetClientRect(wmPtr->wrapper, &windowRect); newHeight = windowRect.bottom - windowRect.top; if (newHeight == height) { /* * We're done. */ break; } else if (newHeight > height) { /* * One last resize to get rid of the extra space. */ menuInc = newHeight - height; reqHeight -= menuInc; if (wmPtr->flags & WM_NEGATIVE_Y) { y += menuInc; } MoveWindow(wmPtr->wrapper, x, y, reqWidth, reqHeight, TRUE); break; } /* * We didn't get enough space to satisfy our requested height, so * the menu must have wrapped. Increase the size of the window by * one menu height and move the window if it is positioned * relative to the lower right corner of the screen. */ reqHeight += menuInc; if (wmPtr->flags & WM_NEGATIVE_Y) { y -= menuInc; } } if (!(wmPtr->flags & WM_NEVER_MAPPED)) { DrawMenuBar(wmPtr->wrapper); } } wmPtr->flags &= ~WM_SYNC_PENDING; } /* *-------------------------------------------------------------- * * ParseGeometry -- * * This function parses a geometry string and updates information used to * control the geometry of a top-level window. * * Results: * A standard Tcl return value, plus an error message in the interp's * result if an error occurs. * * Side effects: * The size and/or location of winPtr may change. * *-------------------------------------------------------------- */ static int ParseGeometry( Tcl_Interp *interp, /* Used for error reporting. */ const char *string, /* String containing new geometry. Has the * standard form "=wxh+x+y". */ TkWindow *winPtr) /* Pointer to top-level window whose geometry * is to be changed. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; int x, y, width, height, flags; char *end; register const char *p = string; /* * The leading "=" is optional. */ if (*p == '=') { p++; } /* * Parse the width and height, if they are present. Don't actually update * any of the fields of wmPtr until we've successfully parsed the entire * geometry string. */ width = wmPtr->width; height = wmPtr->height; x = wmPtr->x; y = wmPtr->y; flags = wmPtr->flags; if (isdigit(UCHAR(*p))) { width = strtoul(p, &end, 10); p = end; if (*p != 'x') { goto error; } p++; if (!isdigit(UCHAR(*p))) { goto error; } height = strtoul(p, &end, 10); p = end; } /* * Parse the X and Y coordinates, if they are present. */ if (*p != '\0') { flags &= ~(WM_NEGATIVE_X | WM_NEGATIVE_Y); if (*p == '-') { flags |= WM_NEGATIVE_X; } else if (*p != '+') { goto error; } p++; if (!isdigit(UCHAR(*p)) && (*p != '-')) { goto error; } x = strtol(p, &end, 10); p = end; if (*p == '-') { flags |= WM_NEGATIVE_Y; } else if (*p != '+') { goto error; } p++; if (!isdigit(UCHAR(*p)) && (*p != '-')) { goto error; } y = strtol(p, &end, 10); if (*end != '\0') { goto error; } /* * Assume that the geometry information came from the user, unless an * explicit source has been specified. Otherwise most window managers * assume that the size hints were program-specified and they ignore * them. */ if (!(wmPtr->sizeHintsFlags & (USPosition|PPosition))) { wmPtr->sizeHintsFlags |= USPosition; } } /* * Everything was parsed OK. Update the fields of *wmPtr and arrange for * the appropriate information to be percolated out to the window manager * at the next idle moment. */ wmPtr->width = width; wmPtr->height = height; wmPtr->x = x; wmPtr->y = y; flags |= WM_MOVE_PENDING; wmPtr->flags = flags; if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } return TCL_OK; error: Tcl_SetObjResult(interp, Tcl_ObjPrintf( "bad geometry specifier \"%s\"", string)); Tcl_SetErrorCode(interp, "TK", "VALUE", "GEOMETRY", NULL); return TCL_ERROR; } /* *---------------------------------------------------------------------- * * Tk_GetRootCoords -- * * Given a token for a window, this function traces through the window's * lineage to find the (virtual) root-window coordinates corresponding to * point (0,0) in the window. * * Results: * The locations pointed to by xPtr and yPtr are filled in with the root * coordinates of the (0,0) point in tkwin. * * Side effects: * None. * *---------------------------------------------------------------------- */ void Tk_GetRootCoords( Tk_Window tkwin, /* Token for window. */ int *xPtr, /* Where to store x-displacement of (0,0). */ int *yPtr) /* Where to store y-displacement of (0,0). */ { register TkWindow *winPtr = (TkWindow *) tkwin; /* * If the window is mapped, let Windows figure out the translation. */ if (winPtr->window != None) { HWND hwnd = Tk_GetHWND(winPtr->window); POINT point; point.x = 0; point.y = 0; ClientToScreen(hwnd, &point); *xPtr = point.x; *yPtr = point.y; } else { *xPtr = 0; *yPtr = 0; } } /* *---------------------------------------------------------------------- * * Tk_CoordsToWindow -- * * Given the (virtual) root coordinates of a point, this function returns * the token for the top-most window covering that point, if there exists * such a window in this application. * * Results: * The return result is either a token for the window corresponding to * rootX and rootY, or else NULL to indicate that there is no such * window. * * Side effects: * None. * *---------------------------------------------------------------------- */ Tk_Window Tk_CoordsToWindow( int rootX, int rootY, /* Coordinates of point in root window. If a * virtual-root window manager is in use, * these coordinates refer to the virtual * root, not the real root. */ Tk_Window tkwin) /* Token for any window in application; used * to identify the display. */ { POINT pos; HWND hwnd; TkWindow *winPtr; pos.x = rootX; pos.y = rootY; hwnd = WindowFromPoint(pos); winPtr = (TkWindow *) Tk_HWNDToWindow(hwnd); if (winPtr && (winPtr->mainPtr == ((TkWindow *) tkwin)->mainPtr)) { return (Tk_Window) winPtr; } return NULL; } /* *---------------------------------------------------------------------- * * Tk_GetVRootGeometry -- * * This function returns information about the virtual root window * corresponding to a particular Tk window. * * Results: * The values at xPtr, yPtr, widthPtr, and heightPtr are set with the * offset and dimensions of the root window corresponding to tkwin. If * tkwin is being managed by a virtual root window manager these values * correspond to the virtual root window being used for tkwin; otherwise * the offsets will be 0 and the dimensions will be those of the screen. * * Side effects: * Vroot window information is refreshed if it is out of date. * *---------------------------------------------------------------------- */ void Tk_GetVRootGeometry( Tk_Window tkwin, /* Window whose virtual root is to be * queried. */ int *xPtr, int *yPtr, /* Store x and y offsets of virtual root * here. */ int *widthPtr, int *heightPtr) /* Store dimensions of virtual root here. */ { *xPtr = GetSystemMetrics(SM_XVIRTUALSCREEN); *yPtr = GetSystemMetrics(SM_YVIRTUALSCREEN); *widthPtr = GetSystemMetrics(SM_CXVIRTUALSCREEN); *heightPtr = GetSystemMetrics(SM_CYVIRTUALSCREEN); } /* *---------------------------------------------------------------------- * * Tk_MoveToplevelWindow -- * * This function is called instead of Tk_MoveWindow to adjust the x-y * location of a top-level window. It delays the actual move to a later * time and keeps window-manager information up-to-date with the move * * Results: * None. * * Side effects: * The window is eventually moved so that its upper-left corner * (actually, the upper-left corner of the window's decorative frame, if * there is one) is at (x,y). * *---------------------------------------------------------------------- */ void Tk_MoveToplevelWindow( Tk_Window tkwin, /* Window to move. */ int x, int y) /* New location for window (within parent). */ { TkWindow *winPtr = (TkWindow *) tkwin; register WmInfo *wmPtr = winPtr->wmInfoPtr; if (!(winPtr->flags & TK_TOP_LEVEL)) { Tcl_Panic("Tk_MoveToplevelWindow called with non-toplevel window"); } wmPtr->x = x; wmPtr->y = y; wmPtr->flags |= WM_MOVE_PENDING; wmPtr->flags &= ~(WM_NEGATIVE_X|WM_NEGATIVE_Y); if (!(wmPtr->sizeHintsFlags & (USPosition|PPosition))) { wmPtr->sizeHintsFlags |= USPosition; } /* * If the window has already been mapped, must bring its geometry * up-to-date immediately, otherwise an event might arrive from the server * that would overwrite wmPtr->x and wmPtr->y and lose the new position. */ if (!(wmPtr->flags & WM_NEVER_MAPPED)) { if (wmPtr->flags & WM_UPDATE_PENDING) { Tcl_CancelIdleCall(UpdateGeometryInfo, winPtr); } UpdateGeometryInfo(winPtr); } } /* *---------------------------------------------------------------------- * * TkWmProtocolEventProc -- * * This function is called by the Tk_HandleEvent whenever a ClientMessage * event arrives whose type is "WM_PROTOCOLS". This function handles the * message from the window manager in an appropriate fashion. * * Results: * None. * * Side effects: * Depends on what sort of handler, if any, was set up for the protocol. * *---------------------------------------------------------------------- */ void TkWmProtocolEventProc( TkWindow *winPtr, /* Window to which the event was sent. */ XEvent *eventPtr) /* X event. */ { WmInfo *wmPtr; register ProtocolHandler *protPtr; Atom protocol; int result; Tcl_Interp *interp; wmPtr = winPtr->wmInfoPtr; if (wmPtr == NULL) { return; } protocol = (Atom) eventPtr->xclient.data.l[0]; for (protPtr = wmPtr->protPtr; protPtr != NULL; protPtr = protPtr->nextPtr) { if (protocol == protPtr->protocol) { /* * Cache atom name, as we might destroy the window as a result of * the eval. */ const char *name = Tk_GetAtomName((Tk_Window) winPtr, protocol); Tcl_Preserve(protPtr); interp = protPtr->interp; Tcl_Preserve(interp); result = Tcl_EvalEx(interp, protPtr->command, -1, TCL_EVAL_GLOBAL); if (result != TCL_OK) { Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( "\n (command for \"%s\" window manager protocol)", name)); Tcl_BackgroundException(interp, result); } Tcl_Release(interp); Tcl_Release(protPtr); return; } } /* * No handler was present for this protocol. If this is a WM_DELETE_WINDOW * message then just destroy the window. */ if (protocol == Tk_InternAtom((Tk_Window) winPtr, "WM_DELETE_WINDOW")) { Tk_DestroyWindow((Tk_Window) winPtr); } } /* *---------------------------------------------------------------------- * * TkWmStackorderToplevelEnumProc -- * * This function is invoked once for each HWND Window on the display as a * result of calling EnumWindows from TkWmStackorderToplevel. * * Results: * TRUE to request further iteration. * * Side effects: * Adds entries to the passed array of TkWindows. * *---------------------------------------------------------------------- */ BOOL CALLBACK TkWmStackorderToplevelEnumProc( HWND hwnd, /* Handle to parent window */ LPARAM lParam) /* Application-defined value */ { Tcl_HashEntry *hPtr; TkWindow *childWinPtr; TkWmStackorderToplevelPair *pair = (TkWmStackorderToplevelPair *) lParam; /*fprintf(stderr, "Looking up HWND %d\n", hwnd);*/ hPtr = Tcl_FindHashEntry(pair->table, (char *) hwnd); if (hPtr != NULL) { childWinPtr = Tcl_GetHashValue(hPtr); /* * Double check that same HWND does not get passed twice. */ if (childWinPtr == NULL) { Tcl_Panic("duplicate HWND in TkWmStackorderToplevelEnumProc"); } else { Tcl_SetHashValue(hPtr, NULL); } /* fprintf(stderr, "Found mapped HWND %d -> %x (%s)\n", hwnd, childWinPtr, childWinPtr->pathName); */ *(pair->windowPtr)-- = childWinPtr; } return TRUE; } /* *---------------------------------------------------------------------- * * TkWmStackorderToplevelWrapperMap -- * * This function will create a table that maps the wrapper HWND id for a * toplevel to the TkWindow structure that is wraps. * * Results: * None. * * Side effects: * Adds entries to the passed hashtable. * *---------------------------------------------------------------------- */ static void TkWmStackorderToplevelWrapperMap( TkWindow *winPtr, /* TkWindow to recurse on */ Display *display, /* X display of parent window */ Tcl_HashTable *table) /* Table to maps HWND to TkWindow */ { TkWindow *childPtr; Tcl_HashEntry *hPtr; HWND wrapper; int newEntry; if (Tk_IsMapped(winPtr) && Tk_IsTopLevel(winPtr) && !Tk_IsEmbedded(winPtr) && (winPtr->display == display)) { wrapper = TkWinGetWrapperWindow((Tk_Window) winPtr); /* fprintf(stderr, "Mapped HWND %d to %x (%s)\n", wrapper, winPtr, winPtr->pathName); */ hPtr = Tcl_CreateHashEntry(table, (char *) wrapper, &newEntry); Tcl_SetHashValue(hPtr, winPtr); } for (childPtr = winPtr->childList; childPtr != NULL; childPtr = childPtr->nextPtr) { TkWmStackorderToplevelWrapperMap(childPtr, display, table); } } /* *---------------------------------------------------------------------- * * TkWmStackorderToplevel -- * * This function returns the stack order of toplevel windows. * * Results: * An array of pointers to tk window objects in stacking order or else * NULL if there was an error. * * Side effects: * None. * *---------------------------------------------------------------------- */ TkWindow ** TkWmStackorderToplevel( TkWindow *parentPtr) /* Parent toplevel window. */ { TkWmStackorderToplevelPair pair; TkWindow **windows; Tcl_HashTable table; Tcl_HashEntry *hPtr; Tcl_HashSearch search; /* * Map HWND ids to a TkWindow of the wrapped toplevel. */ Tcl_InitHashTable(&table, TCL_ONE_WORD_KEYS); TkWmStackorderToplevelWrapperMap(parentPtr, parentPtr->display, &table); windows = ckalloc((table.numEntries+1) * sizeof(TkWindow *)); /* * Special cases: If zero or one toplevels were mapped there is no need to * call EnumWindows. */ switch (table.numEntries) { case 0: windows[0] = NULL; goto done; case 1: hPtr = Tcl_FirstHashEntry(&table, &search); windows[0] = Tcl_GetHashValue(hPtr); windows[1] = NULL; goto done; } /* * We will be inserting into the array starting at the end and working our * way to the beginning since EnumWindows returns windows in highest to * lowest order. */ pair.table = &table; pair.windowPtr = windows + table.numEntries; *pair.windowPtr-- = NULL; if (EnumWindows((WNDENUMPROC) TkWmStackorderToplevelEnumProc, (LPARAM) &pair) == 0) { ckfree(windows); windows = NULL; } else if (pair.windowPtr != (windows-1)) { Tcl_Panic("num matched toplevel windows does not equal num children"); } done: Tcl_DeleteHashTable(&table); return windows; } /* *---------------------------------------------------------------------- * * TkWmRestackToplevel -- * * This function restacks a top-level window. * * Results: * None. * * Side effects: * WinPtr gets restacked as specified by aboveBelow and otherPtr. This * function doesn't return until the restack has taken effect and the * ConfigureNotify event for it has been received. * *---------------------------------------------------------------------- */ void TkWmRestackToplevel( TkWindow *winPtr, /* Window to restack. */ int aboveBelow, /* Gives relative position for restacking; * must be Above or Below. */ TkWindow *otherPtr) /* Window relative to which to restack; if * NULL, then winPtr gets restacked above or * below *all* siblings. */ { HWND hwnd, insertAfter; /* * Can't set stacking order properly until the window is on the screen * (mapping it may give it a reparent window). */ if (winPtr->window == None) { Tk_MakeWindowExist((Tk_Window) winPtr); } if (winPtr->wmInfoPtr->flags & WM_NEVER_MAPPED) { TkWmMapWindow(winPtr); } hwnd = (winPtr->wmInfoPtr->wrapper != NULL) ? winPtr->wmInfoPtr->wrapper : Tk_GetHWND(winPtr->window); if (otherPtr != NULL) { if (otherPtr->window == None) { Tk_MakeWindowExist((Tk_Window) otherPtr); } if (otherPtr->wmInfoPtr->flags & WM_NEVER_MAPPED) { TkWmMapWindow(otherPtr); } insertAfter = (otherPtr->wmInfoPtr->wrapper != NULL) ? otherPtr->wmInfoPtr->wrapper : Tk_GetHWND(otherPtr->window); } else { insertAfter = NULL; } if (winPtr->flags & TK_EMBEDDED) { SendMessage(winPtr->wmInfoPtr->wrapper, TK_RAISEWINDOW, (WPARAM) insertAfter, aboveBelow); } else { TkWinSetWindowPos(hwnd, insertAfter, aboveBelow); } } /* *---------------------------------------------------------------------- * * TkWmAddToColormapWindows -- * * This function is called to add a given window to the * WM_COLORMAP_WINDOWS property for its top-level, if it isn't already * there. It is invoked by the Tk code that creates a new colormap, in * order to make sure that colormap information is propagated to the * window manager by default. * * Results: * None. * * Side effects: * WinPtr's window gets added to the WM_COLORMAP_WINDOWS property of its * nearest top-level ancestor, unless the colormaps have been set * explicitly with the "wm colormapwindows" command. * *---------------------------------------------------------------------- */ void TkWmAddToColormapWindows( TkWindow *winPtr) /* Window with a non-default colormap. Should * not be a top-level window. */ { TkWindow *topPtr; TkWindow **oldPtr, **newPtr; int count, i; if (winPtr->window == None) { return; } for (topPtr = winPtr->parentPtr; ; topPtr = topPtr->parentPtr) { if (topPtr == NULL) { /* * Window is being deleted. Skip the whole operation. */ return; } if (topPtr->flags & TK_TOP_HIERARCHY) { break; } } if (topPtr->wmInfoPtr == NULL) { return; } if (topPtr->wmInfoPtr->flags & WM_COLORMAPS_EXPLICIT) { return; } /* * Make sure that the window isn't already in the list. */ count = topPtr->wmInfoPtr->cmapCount; oldPtr = topPtr->wmInfoPtr->cmapList; for (i = 0; i < count; i++) { if (oldPtr[i] == winPtr) { return; } } /* * Make a new bigger array and use it to reset the property. * Automatically add the toplevel itself as the last element of the list. */ newPtr = ckalloc((count+2) * sizeof(TkWindow *)); if (count > 0) { memcpy(newPtr, oldPtr, count * sizeof(TkWindow*)); } if (count == 0) { count++; } newPtr[count-1] = winPtr; newPtr[count] = topPtr; if (oldPtr != NULL) { ckfree(oldPtr); } topPtr->wmInfoPtr->cmapList = newPtr; topPtr->wmInfoPtr->cmapCount = count+1; /* * Now we need to force the updated colormaps to be installed. */ if (topPtr->wmInfoPtr == winPtr->dispPtr->foregroundWmPtr) { InstallColormaps(topPtr->wmInfoPtr->wrapper, WM_QUERYNEWPALETTE, 1); } else { InstallColormaps(topPtr->wmInfoPtr->wrapper, WM_PALETTECHANGED, 0); } } /* *---------------------------------------------------------------------- * * TkWmRemoveFromColormapWindows -- * * This function is called to remove a given window from the * WM_COLORMAP_WINDOWS property for its top-level. It is invoked when * windows are deleted. * * Results: * None. * * Side effects: * WinPtr's window gets removed from the WM_COLORMAP_WINDOWS property of * its nearest top-level ancestor, unless the top-level itself is being * deleted too. * *---------------------------------------------------------------------- */ void TkWmRemoveFromColormapWindows( TkWindow *winPtr) /* Window that may be present in * WM_COLORMAP_WINDOWS property for its * top-level. Should not be a top-level * window. */ { TkWindow *topPtr; TkWindow **oldPtr; int count, i, j; for (topPtr = winPtr->parentPtr; ; topPtr = topPtr->parentPtr) { if (topPtr == NULL) { /* * Ancestors have been deleted, so skip the whole operation. * Seems like this can't ever happen? */ return; } if (topPtr->flags & TK_TOP_LEVEL) { break; } } if (topPtr->flags & TK_ALREADY_DEAD) { /* * Top-level is being deleted, so there's no need to cleanup the * WM_COLORMAP_WINDOWS property. */ return; } if (topPtr->wmInfoPtr == NULL) { return; } /* * Find the window and slide the following ones down to cover it up. */ count = topPtr->wmInfoPtr->cmapCount; oldPtr = topPtr->wmInfoPtr->cmapList; for (i = 0; i < count; i++) { if (oldPtr[i] == winPtr) { for (j = i ; j < count-1; j++) { oldPtr[j] = oldPtr[j+1]; } topPtr->wmInfoPtr->cmapCount = count-1; break; } } } /* *---------------------------------------------------------------------- * * TkWinSetMenu-- * * Associcates a given HMENU to a window. * * Results: * None. * * Side effects: * The menu will end up being drawn in the window, and the geometry of * the window will have to be changed. * *---------------------------------------------------------------------- */ void TkWinSetMenu( Tk_Window tkwin, /* the window to put the menu in */ HMENU hMenu) /* the menu to set */ { TkWindow *winPtr = (TkWindow *) tkwin; WmInfo *wmPtr = winPtr->wmInfoPtr; /* Could be a Frame (i.e. not a Toplevel) */ if (wmPtr == NULL) return; wmPtr->hMenu = hMenu; if (!(wmPtr->flags & WM_NEVER_MAPPED)) { int syncPending = wmPtr->flags & WM_SYNC_PENDING; wmPtr->flags |= WM_SYNC_PENDING; SetMenu(wmPtr->wrapper, hMenu); if (!syncPending) { wmPtr->flags &= ~WM_SYNC_PENDING; } } if (!(winPtr->flags & TK_EMBEDDED)) { if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr); wmPtr->flags |= WM_UPDATE_PENDING|WM_MOVE_PENDING; } } else { SendMessage(wmPtr->wrapper, TK_SETMENU, (WPARAM) hMenu, (LPARAM) Tk_GetMenuHWND(tkwin)); } } /* *---------------------------------------------------------------------- * * ConfigureTopLevel -- * * Generate a ConfigureNotify event based on the current position * information. This function is called by TopLevelProc. * * Results: * None. * * Side effects: * Queues a new event. * *---------------------------------------------------------------------- */ static void ConfigureTopLevel( WINDOWPOS *pos) { TkWindow *winPtr = GetTopLevel(pos->hwnd); WmInfo *wmPtr; int state; /* Current window state. */ RECT rect; WINDOWPLACEMENT windowPos; if (winPtr == NULL) { return; } wmPtr = winPtr->wmInfoPtr; /* * Determine the current window state. */ if (!IsWindowVisible(wmPtr->wrapper)) { state = WithdrawnState; } else { windowPos.length = sizeof(WINDOWPLACEMENT); GetWindowPlacement(wmPtr->wrapper, &windowPos); switch (windowPos.showCmd) { case SW_SHOWMAXIMIZED: state = ZoomState; break; case SW_SHOWMINIMIZED: state = IconicState; break; case SW_SHOWNORMAL: default: state = NormalState; break; } } /* * If the state of the window just changed, be sure to update the * child window information. */ if (wmPtr->hints.initial_state != state) { wmPtr->hints.initial_state = state; switch (state) { case WithdrawnState: case IconicState: XUnmapWindow(winPtr->display, winPtr->window); break; case NormalState: /* * Schedule a geometry update. Since we ignore geometry requests * while in any other state, the geometry info may be stale. */ if (!(wmPtr->flags & WM_UPDATE_PENDING)) { Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } /* fall through */ case ZoomState: XMapWindow(winPtr->display, winPtr->window); pos->flags |= SWP_NOMOVE | SWP_NOSIZE; break; } } /* * Don't report geometry changes in the Iconic or Withdrawn states. */ if (state == WithdrawnState || state == IconicState) { return; } /* * Compute the current geometry of the client area, reshape the Tk window * and generate a ConfigureNotify event. */ GetClientRect(wmPtr->wrapper, &rect); winPtr->changes.x = pos->x; winPtr->changes.y = pos->y; winPtr->changes.width = rect.right - rect.left; winPtr->changes.height = rect.bottom - rect.top; wmPtr->borderHeight = pos->cy - winPtr->changes.height; MoveWindow(Tk_GetHWND(winPtr->window), 0, 0, winPtr->changes.width, winPtr->changes.height, TRUE); GenerateConfigureNotify(winPtr); /* * Update window manager geometry info if needed. */ if (state == NormalState) { /* * Update size information from the event. There are a couple of * tricky points here: * * 1. If the user changed the size externally then set wmPtr->width * and wmPtr->height just as if a "wm geometry" command had been * invoked with the same information. * 2. However, if the size is changing in response to a request coming * from us (sync is set), then don't set wmPtr->width or * wmPtr->height (otherwise the window will stop tracking geometry * manager requests). */ if (!(wmPtr->flags & WM_SYNC_PENDING)) { if (!(pos->flags & SWP_NOSIZE)) { if ((wmPtr->width == -1) && (winPtr->changes.width == winPtr->reqWidth)) { /* * Don't set external width, since the user didn't change * it from what the widgets asked for. */ } else { if (wmPtr->gridWin != NULL) { wmPtr->width = wmPtr->reqGridWidth + (winPtr->changes.width - winPtr->reqWidth) / wmPtr->widthInc; if (wmPtr->width < 0) { wmPtr->width = 0; } } else { wmPtr->width = winPtr->changes.width; } } if ((wmPtr->height == -1) && (winPtr->changes.height == winPtr->reqHeight)) { /* * Don't set external height, since the user didn't change * it from what the widgets asked for. */ } else { if (wmPtr->gridWin != NULL) { wmPtr->height = wmPtr->reqGridHeight + (winPtr->changes.height - winPtr->reqHeight) / wmPtr->heightInc; if (wmPtr->height < 0) { wmPtr->height = 0; } } else { wmPtr->height = winPtr->changes.height; } } wmPtr->configWidth = winPtr->changes.width; wmPtr->configHeight = winPtr->changes.height; } /* * If the user moved the window, we should switch back to normal * coordinates. */ if (!(pos->flags & SWP_NOMOVE)) { wmPtr->flags &= ~(WM_NEGATIVE_X | WM_NEGATIVE_Y); } } /* * Update the wrapper window location information. */ if (wmPtr->flags & WM_NEGATIVE_X) { wmPtr->x = DisplayWidth(winPtr->display, winPtr->screenNum) - winPtr->changes.x - (winPtr->changes.width + wmPtr->borderWidth); } else { wmPtr->x = winPtr->changes.x; } if (wmPtr->flags & WM_NEGATIVE_Y) { wmPtr->y = DisplayHeight(winPtr->display, winPtr->screenNum) - winPtr->changes.y - (winPtr->changes.height + wmPtr->borderHeight); } else { wmPtr->y = winPtr->changes.y; } } } /* *---------------------------------------------------------------------- * * GenerateConfigureNotify -- * * Generate a ConfigureNotify event from the current geometry information * for the specified toplevel window. * * Results: * None. * * Side effects: * Sends an X event. * *---------------------------------------------------------------------- */ static void GenerateConfigureNotify( TkWindow *winPtr) { XEvent event; /* * Generate a ConfigureNotify event. */ event.type = ConfigureNotify; event.xconfigure.serial = winPtr->display->request; event.xconfigure.send_event = False; event.xconfigure.display = winPtr->display; event.xconfigure.event = winPtr->window; event.xconfigure.window = winPtr->window; event.xconfigure.border_width = winPtr->changes.border_width; event.xconfigure.override_redirect = winPtr->atts.override_redirect; event.xconfigure.x = winPtr->changes.x; event.xconfigure.y = winPtr->changes.y; event.xconfigure.width = winPtr->changes.width; event.xconfigure.height = winPtr->changes.height; event.xconfigure.above = None; Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL); } /* *---------------------------------------------------------------------- * * InstallColormaps -- * * Installs the colormaps associated with the toplevel which is currently * active. * * Results: * None. * * Side effects: * May change the system palette and generate damage. * *---------------------------------------------------------------------- */ static int InstallColormaps( HWND hwnd, /* Toplevel wrapper window whose colormaps * should be installed. */ int message, /* Either WM_PALETTECHANGED or * WM_QUERYNEWPALETTE */ int isForemost) /* 1 if window is foremost, else 0 */ { int i; HDC dc; HPALETTE oldPalette; TkWindow *winPtr = GetTopLevel(hwnd); WmInfo *wmPtr; ThreadSpecificData *tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); if (winPtr == NULL || (winPtr->flags & TK_ALREADY_DEAD)) { return 0; } wmPtr = winPtr->wmInfoPtr; if (message == WM_QUERYNEWPALETTE) { /* * Case 1: This window is about to become the foreground window, so we * need to install the primary palette. If the system palette was * updated, then Windows will generate a WM_PALETTECHANGED message. * Otherwise, we have to synthesize one in order to ensure that the * secondary palettes are installed properly. */ winPtr->dispPtr->foregroundWmPtr = wmPtr; if (wmPtr->cmapCount > 0) { winPtr = wmPtr->cmapList[0]; } tsdPtr->systemPalette = TkWinGetPalette(winPtr->atts.colormap); dc = GetDC(hwnd); oldPalette = SelectPalette(dc, tsdPtr->systemPalette, FALSE); if (RealizePalette(dc)) { RefreshColormap(winPtr->atts.colormap, winPtr->dispPtr); } else if (wmPtr->cmapCount > 1) { SelectPalette(dc, oldPalette, TRUE); RealizePalette(dc); ReleaseDC(hwnd, dc); SendMessage(hwnd, WM_PALETTECHANGED, (WPARAM) hwnd, (LPARAM) NULL); return TRUE; } } else { /* * Window is being notified of a change in the system palette. If this * window is the foreground window, then we should only install the * secondary palettes, since the primary was installed in response to * the WM_QUERYPALETTE message. Otherwise, install all of the * palettes. */ if (!isForemost) { if (wmPtr->cmapCount > 0) { winPtr = wmPtr->cmapList[0]; } i = 1; } else { if (wmPtr->cmapCount <= 1) { return TRUE; } winPtr = wmPtr->cmapList[1]; i = 2; } dc = GetDC(hwnd); oldPalette = SelectPalette(dc, TkWinGetPalette(winPtr->atts.colormap), TRUE); if (RealizePalette(dc)) { RefreshColormap(winPtr->atts.colormap, winPtr->dispPtr); } for (; i < wmPtr->cmapCount; i++) { winPtr = wmPtr->cmapList[i]; SelectPalette(dc, TkWinGetPalette(winPtr->atts.colormap), TRUE); if (RealizePalette(dc)) { RefreshColormap(winPtr->atts.colormap, winPtr->dispPtr); } } } SelectPalette(dc, oldPalette, TRUE); RealizePalette(dc); ReleaseDC(hwnd, dc); return TRUE; } /* *---------------------------------------------------------------------- * * RefreshColormap -- * * This function is called to force all of the windows that use a given * colormap to redraw themselves. The quickest way to do this is to * iterate over the toplevels, looking in the cmapList for matches. This * will quickly eliminate subtrees that don't use a given colormap. * * Results: * None. * * Side effects: * Causes damage events to be generated. * *---------------------------------------------------------------------- */ static void RefreshColormap( Colormap colormap, TkDisplay *dispPtr) { WmInfo *wmPtr; int i; for (wmPtr = dispPtr->firstWmPtr; wmPtr != NULL; wmPtr = wmPtr->nextPtr) { if (wmPtr->cmapCount > 0) { for (i = 0; i < wmPtr->cmapCount; i++) { if ((wmPtr->cmapList[i]->atts.colormap == colormap) && Tk_IsMapped(wmPtr->cmapList[i])) { InvalidateSubTree(wmPtr->cmapList[i], colormap); } } } else if ((wmPtr->winPtr->atts.colormap == colormap) && Tk_IsMapped(wmPtr->winPtr)) { InvalidateSubTree(wmPtr->winPtr, colormap); } } } /* *---------------------------------------------------------------------- * * InvalidateSubTree -- * * This function recursively generates damage for a window and all of its * mapped children that belong to the same toplevel and are using the * specified colormap. * * Results: * None. * * Side effects: * Generates damage for the specified subtree. * *---------------------------------------------------------------------- */ static void InvalidateSubTree( TkWindow *winPtr, Colormap colormap) { TkWindow *childPtr; /* * Generate damage for the current window if it is using the specified * colormap. */ if (winPtr->atts.colormap == colormap) { InvalidateRect(Tk_GetHWND(winPtr->window), NULL, FALSE); } for (childPtr = winPtr->childList; childPtr != NULL; childPtr = childPtr->nextPtr) { /* * We can stop the descent when we hit an unmapped or toplevel window. */ if (!Tk_TopWinHierarchy(childPtr) && Tk_IsMapped(childPtr)) { InvalidateSubTree(childPtr, colormap); } } } /* *---------------------------------------------------------------------- * * InvalidateSubTreeDepth -- * * This function recursively updates depth info for a window and all of * its children that belong to the same toplevel. * * Results: * None. * * Side effects: * Sets the depth of each window to that of the display. * *---------------------------------------------------------------------- */ static void InvalidateSubTreeDepth( TkWindow *winPtr) { Display *display = Tk_Display(winPtr); int screenNum = Tk_ScreenNumber(winPtr); TkWindow *childPtr; winPtr->depth = DefaultDepth(display, screenNum); #if 0 /* * XXX: What other elements may require changes? Changing just the depth * works for standard windows and 16/24/32-bpp changes. I suspect 8-bit * (palettized) displays may require colormap and/or visual changes as * well. */ if (winPtr->window) { InvalidateRect(Tk_GetHWND(winPtr->window), NULL, FALSE); } winPtr->visual = DefaultVisual(display, screenNum); winPtr->atts.colormap = DefaultColormap(display, screenNum); winPtr->dirtyAtts |= CWColormap; #endif for (childPtr = winPtr->childList; childPtr != NULL; childPtr = childPtr->nextPtr) { /* * We can stop the descent when we hit a non-embedded toplevel window, * as it should get its own message. */ if (childPtr->flags & TK_EMBEDDED || !Tk_TopWinHierarchy(childPtr)) { InvalidateSubTreeDepth(childPtr); } } } /* *---------------------------------------------------------------------- * * TkWinGetSystemPalette -- * * Retrieves the currently installed foreground palette. * * Results: * Returns the global foreground palette, if there is one. Otherwise, * returns NULL. * * Side effects: * None. * *---------------------------------------------------------------------- */ HPALETTE TkWinGetSystemPalette(void) { ThreadSpecificData *tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); return tsdPtr->systemPalette; } /* *---------------------------------------------------------------------- * * GetMinSize -- * * This function computes the current minWidth and minHeight values for a * window, taking into account the possibility that they may be * defaulted. * * Results: * The values at *minWidthPtr and *minHeightPtr are filled in with the * minimum allowable dimensions of wmPtr's window, in grid units. If the * requested minimum is smaller than the system required minimum, then * this function computes the smallest size that will satisfy both the * system and the grid constraints. * * Side effects: * None. * *---------------------------------------------------------------------- */ static void GetMinSize( WmInfo *wmPtr, /* Window manager information for the * window. */ int *minWidthPtr, /* Where to store the current minimum width of * the window. */ int *minHeightPtr) /* Where to store the current minimum height * of the window. */ { int tmp, base; TkWindow *winPtr = wmPtr->winPtr; /* * Compute the minimum width by taking the default client size and * rounding it up to the nearest grid unit. Return the greater of the * default minimum and the specified minimum. */ tmp = wmPtr->defMinWidth - wmPtr->borderWidth; if (tmp < 0) { tmp = 0; } if (wmPtr->gridWin != NULL) { base = winPtr->reqWidth - (wmPtr->reqGridWidth * wmPtr->widthInc); if (base < 0) { base = 0; } tmp = ((tmp - base) + wmPtr->widthInc - 1)/wmPtr->widthInc; } if (tmp < wmPtr->minWidth) { tmp = wmPtr->minWidth; } *minWidthPtr = tmp; /* * Compute the minimum height in a similar fashion. */ tmp = wmPtr->defMinHeight - wmPtr->borderHeight; if (tmp < 0) { tmp = 0; } if (wmPtr->gridWin != NULL) { base = winPtr->reqHeight - (wmPtr->reqGridHeight * wmPtr->heightInc); if (base < 0) { base = 0; } tmp = ((tmp - base) + wmPtr->heightInc - 1)/wmPtr->heightInc; } if (tmp < wmPtr->minHeight) { tmp = wmPtr->minHeight; } *minHeightPtr = tmp; } /* *---------------------------------------------------------------------- * * GetMaxSize -- * * This function computes the current maxWidth and maxHeight values for a * window, taking into account the possibility that they may be * defaulted. * * Results: * The values at *maxWidthPtr and *maxHeightPtr are filled in with the * maximum allowable dimensions of wmPtr's window, in grid units. If no * maximum has been specified for the window, then this function computes * the largest sizes that will fit on the screen. * * Side effects: * None. * *---------------------------------------------------------------------- */ static void GetMaxSize( WmInfo *wmPtr, /* Window manager information for the * window. */ int *maxWidthPtr, /* Where to store the current maximum width of * the window. */ int *maxHeightPtr) /* Where to store the current maximum height * of the window. */ { int tmp; if (wmPtr->maxWidth > 0) { *maxWidthPtr = wmPtr->maxWidth; } else { /* * Must compute a default width. Fill up the display, leaving a bit of * extra space for the window manager's borders. */ tmp = wmPtr->defMaxWidth - wmPtr->borderWidth; if (wmPtr->gridWin != NULL) { /* * Gridding is turned on; convert from pixels to grid units. */ tmp = wmPtr->reqGridWidth + (tmp - wmPtr->winPtr->reqWidth)/wmPtr->widthInc; } *maxWidthPtr = tmp; } if (wmPtr->maxHeight > 0) { *maxHeightPtr = wmPtr->maxHeight; } else { tmp = wmPtr->defMaxHeight - wmPtr->borderHeight; if (wmPtr->gridWin != NULL) { tmp = wmPtr->reqGridHeight + (tmp - wmPtr->winPtr->reqHeight)/wmPtr->heightInc; } *maxHeightPtr = tmp; } } /* *---------------------------------------------------------------------- * * TopLevelProc -- * * Callback from Windows whenever an event occurs on a top level window. * * Results: * Standard Windows return value. * * Side effects: * Default window behavior. * *---------------------------------------------------------------------- */ static LRESULT CALLBACK TopLevelProc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { if (message == WM_WINDOWPOSCHANGED || message == WM_WINDOWPOSCHANGING) { WINDOWPOS *pos = (WINDOWPOS *) lParam; TkWindow *winPtr = (TkWindow *) Tk_HWNDToWindow(pos->hwnd); if (winPtr == NULL) { return 0; } /* * Update the shape of the contained window. */ if (!(pos->flags & SWP_NOSIZE)) { winPtr->changes.width = pos->cx; winPtr->changes.height = pos->cy; } if (!(pos->flags & SWP_NOMOVE)) { long result = SendMessage(winPtr->wmInfoPtr->wrapper, TK_MOVEWINDOW, -1, -1); winPtr->wmInfoPtr->x = winPtr->changes.x = result >> 16; winPtr->wmInfoPtr->y = winPtr->changes.y = result & 0xffff; } GenerateConfigureNotify(winPtr); Tcl_ServiceAll(); return 0; } return TkWinChildProc(hwnd, message, wParam, lParam); } /* *---------------------------------------------------------------------- * * WmProc -- * * Callback from Windows whenever an event occurs on the decorative * frame. * * Results: * Standard Windows return value. * * Side effects: * Default window behavior. * *---------------------------------------------------------------------- */ static LRESULT CALLBACK WmProc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { static int inMoveSize = 0; static int oldMode; /* This static is set upon entering move/size * mode and is used to reset the service mode * after leaving move/size mode. Note that * this mechanism assumes move/size is only * one level deep. */ LRESULT result = 0; TkWindow *winPtr = NULL; switch (message) { case WM_KILLFOCUS: case WM_ERASEBKGND: result = 0; goto done; case WM_ENTERSIZEMOVE: inMoveSize = 1; /* * Cancel any current mouse timer. If the mouse timer fires during the * size/move mouse capture, it will release the capture, which is * wrong. */ TkWinCancelMouseTimer(); oldMode = Tcl_SetServiceMode(TCL_SERVICE_ALL); break; case WM_ACTIVATE: if (WA_ACTIVE == LOWORD(wParam)) { winPtr = GetTopLevel(hwnd); if (winPtr && (TkGrabState(winPtr) == TK_GRAB_EXCLUDED)) { /* * There is a grab in progress so queue an Activate event */ GenerateActivateEvent(winPtr, &inMoveSize); result = 0; goto done; } } /* fall through */ case WM_EXITSIZEMOVE: if (inMoveSize) { inMoveSize = 0; Tcl_SetServiceMode(oldMode); } break; case WM_GETMINMAXINFO: SetLimits(hwnd, (MINMAXINFO *) lParam); result = 0; goto done; case WM_DISPLAYCHANGE: /* * Display and/or color resolution changed. */ winPtr = GetTopLevel(hwnd); if (winPtr) { Screen *screen = Tk_Screen(winPtr); if (screen->root_depth != (int) wParam) { /* * Color resolution changed, so do extensive rebuild of * display parameters. This will affect the display for all Tk * windows. We will receive this event for each toplevel, but * this check makes us update only once, for the first * toplevel that receives the message. */ TkWinDisplayChanged(Tk_Display(winPtr)); } else { HDC dc = GetDC(NULL); screen->width = LOWORD(lParam); /* horizontal res */ screen->height = HIWORD(lParam); /* vertical res */ screen->mwidth = MulDiv(screen->width, 254, GetDeviceCaps(dc, LOGPIXELSX) * 10); screen->mheight = MulDiv(screen->height, 254, GetDeviceCaps(dc, LOGPIXELSY) * 10); ReleaseDC(NULL, dc); } if (Tk_Depth(winPtr) != (int) wParam) { /* * Defer the window depth check to here so that each toplevel * will properly update depth info. */ InvalidateSubTreeDepth(winPtr); } } result = 0; goto done; case WM_SYSCOLORCHANGE: /* * XXX: Called when system color changes. We need to update any * widgets that use a system color. */ break; case WM_PALETTECHANGED: result = InstallColormaps(hwnd, WM_PALETTECHANGED, hwnd == (HWND) wParam); goto done; case WM_QUERYNEWPALETTE: result = InstallColormaps(hwnd, WM_QUERYNEWPALETTE, TRUE); goto done; case WM_SETTINGCHANGE: if (wParam == SPI_SETNONCLIENTMETRICS) { winPtr = GetTopLevel(hwnd); TkWinSetupSystemFonts(winPtr->mainPtr); result = 0; goto done; } break; case WM_WINDOWPOSCHANGED: ConfigureTopLevel((WINDOWPOS *) lParam); result = 0; goto done; case WM_NCHITTEST: { winPtr = GetTopLevel(hwnd); if (winPtr && (TkGrabState(winPtr) == TK_GRAB_EXCLUDED)) { /* * This window is outside the grab heirarchy, so don't let any of * the normal non-client processing occur. Note that this * implementation is not strictly correct because the grab might * change between now and when the event would have been processed * by Tk, but it's close enough. */ result = HTCLIENT; goto done; } break; } case WM_MOUSEACTIVATE: { winPtr = GetTopLevel((HWND) wParam); if (winPtr && (TkGrabState(winPtr) != TK_GRAB_EXCLUDED)) { /* * This allows us to pass the message onto the native menus [Bug: * 2272] */ result = DefWindowProc(hwnd, message, wParam, lParam); goto done; } /* * Don't activate the window yet since there is a grab that takes * precedence. Instead we need to queue an event so we can check the * grab state right before we handle the mouse event. */ if (winPtr) { GenerateActivateEvent(winPtr, &inMoveSize); } result = MA_NOACTIVATE; goto done; } case WM_QUERYENDSESSION: { XEvent event; /* * Synthesize WM_SAVE_YOURSELF wm protocol message on Windows logout * or restart. */ winPtr = GetTopLevel(hwnd); event.xclient.message_type = Tk_InternAtom((Tk_Window) winPtr, "WM_PROTOCOLS"); event.xclient.data.l[0] = Tk_InternAtom((Tk_Window) winPtr, "WM_SAVE_YOURSELF"); TkWmProtocolEventProc(winPtr, &event); break; } default: break; } winPtr = GetTopLevel(hwnd); switch(message) { case WM_SYSCOMMAND: /* * If there is a grab in effect then ignore the minimize command * unless the grab is on the main window (.). This is to permit * applications that leave a grab on . to work normally. * All other toplevels are deemed non-minimizable when a grab is * present. * If there is a grab in effect and this window is outside the * grab tree then ignore all system commands. [Bug 1847002] */ if (winPtr) { int cmd = wParam & 0xfff0; int grab = TkGrabState(winPtr); if ((SC_MINIMIZE == cmd) && (grab == TK_GRAB_IN_TREE || grab == TK_GRAB_ANCESTOR) && (winPtr != winPtr->mainPtr->winPtr)) { goto done; } if (grab == TK_GRAB_EXCLUDED && !(SC_MOVE == cmd || SC_SIZE == cmd)) { goto done; } } /* fall through */ case WM_INITMENU: case WM_COMMAND: case WM_MENUCHAR: case WM_MEASUREITEM: case WM_DRAWITEM: case WM_MENUSELECT: case WM_ENTERIDLE: case WM_INITMENUPOPUP: if (winPtr) { HWND hMenuHWnd = Tk_GetEmbeddedMenuHWND((Tk_Window) winPtr); if (hMenuHWnd) { if (SendMessage(hMenuHWnd, message, wParam, lParam)) { goto done; } } else if (TkWinHandleMenuEvent(&hwnd, &message, &wParam, &lParam, &result)) { goto done; } } break; } if (winPtr && winPtr->window) { HWND child = Tk_GetHWND(winPtr->window); if (message == WM_SETFOCUS) { SetFocus(child); result = 0; } else if (!Tk_TranslateWinEvent(child, message, wParam, lParam, &result)) { result = DefWindowProc(hwnd, message, wParam, lParam); } } else { result = DefWindowProc(hwnd, message, wParam, lParam); } done: Tcl_ServiceAll(); return result; } /* *---------------------------------------------------------------------- * * TkpMakeMenuWindow -- * * Configure the window to be either a pull-down (or pop-up) menu, or as * a toplevel (torn-off) menu or palette. * * Results: * None. * * Side effects: * Changes the style bit used to create a new toplevel. * *---------------------------------------------------------------------- */ void TkpMakeMenuWindow( Tk_Window tkwin, /* New window. */ int transient) /* 1 means menu is only posted briefly as a * popup or pulldown or cascade. 0 means menu * is always visible, e.g. as a torn-off menu. * Determines whether save_under and * override_redirect should be set. */ { XSetWindowAttributes atts; if (transient) { atts.override_redirect = True; atts.save_under = True; } else { atts.override_redirect = False; atts.save_under = False; } if ((atts.override_redirect != Tk_Attributes(tkwin)->override_redirect) || (atts.save_under != Tk_Attributes(tkwin)->save_under)) { Tk_ChangeWindowAttributes(tkwin, CWOverrideRedirect|CWSaveUnder, &atts); } } /* *---------------------------------------------------------------------- * * TkWinGetWrapperWindow -- * * Gets the Windows HWND for a given window. * * Results: * Returns the wrapper window for a Tk window. * * Side effects: * None. * *---------------------------------------------------------------------- */ HWND TkWinGetWrapperWindow( Tk_Window tkwin) /* The window we need the wrapper from */ { TkWindow *winPtr = (TkWindow *) tkwin; return winPtr->wmInfoPtr->wrapper; } /* *---------------------------------------------------------------------- * * TkWmFocusToplevel -- * * This is a utility function invoked by focus-management code. It exists * because of the extra wrapper windows that exist under Unix; its job is * to map from wrapper windows to the corresponding toplevel windows. On * PCs and Macs there are no wrapper windows so no mapping is necessary; * this function just determines whether a window is a toplevel or not. * * Results: * If winPtr is a toplevel window, returns the pointer to the window; * otherwise returns NULL. * * Side effects: * None. * *---------------------------------------------------------------------- */ TkWindow * TkWmFocusToplevel( TkWindow *winPtr) /* Window that received a focus-related * event. */ { if (!(winPtr->flags & TK_TOP_HIERARCHY)) { return NULL; } return winPtr; } /* *---------------------------------------------------------------------- * * TkpGetWrapperWindow -- * * This is a utility function invoked by focus-management code. It maps * to the wrapper for a top-level, which is just the same as the * top-level on Macs and PCs. * * Results: * If winPtr is a toplevel window, returns the pointer to the window; * otherwise returns NULL. * * Side effects: * None. * *---------------------------------------------------------------------- */ TkWindow * TkpGetWrapperWindow( TkWindow *winPtr) /* Window that received a focus-related * event. */ { if (!(winPtr->flags & TK_TOP_HIERARCHY)) { return NULL; } return winPtr; } /* *---------------------------------------------------------------------- * * GenerateActivateEvent -- * * This function is called to activate a Tk window. */ static void GenerateActivateEvent(TkWindow * winPtr, const int *flagPtr) { ActivateEvent *eventPtr = ckalloc(sizeof(ActivateEvent)); eventPtr->ev.proc = ActivateWindow; eventPtr->winPtr = winPtr; eventPtr->flagPtr = flagPtr; eventPtr->hwnd = Tk_GetHWND(winPtr->window); Tcl_QueueEvent((Tcl_Event *)eventPtr, TCL_QUEUE_TAIL); } /* *---------------------------------------------------------------------- * * ActivateWindow -- * * This function is called when an ActivateEvent is processed. * * Results: * Returns 1 to indicate that the event was handled, else 0. * * Side effects: * May activate the toplevel window associated with the event. * *---------------------------------------------------------------------- */ static int ActivateWindow( Tcl_Event *evPtr, /* Pointer to ActivateEvent. */ int flags) /* Notifier event mask. */ { ActivateEvent *eventPtr = (ActivateEvent *)evPtr; TkWindow *winPtr = eventPtr->winPtr; if (! (flags & TCL_WINDOW_EVENTS)) { return 0; } /* * Ensure the window has not been destroyed while we delayed * processing the WM_ACTIVATE message [Bug 2899949]. */ if (!IsWindow(eventPtr->hwnd)) { return 1; } /* * If the toplevel is in the middle of a move or size operation then * we must delay handling of this event to avoid stealing the focus * while the window manage is in control. */ if (eventPtr->flagPtr && *eventPtr->flagPtr) { return 0; } /* * If the window is excluded by a grab, call SetFocus on the grabbed * window instead. [Bug 220908] */ if (winPtr) { Window window; if (TkGrabState(winPtr) != TK_GRAB_EXCLUDED) { window = winPtr->window; } else { window = winPtr->dispPtr->grabWinPtr->window; } /* * Ensure the window was not destroyed while we were postponing * the activation [Bug 2799589] */ if (window) { SetFocus(Tk_GetHWND(window)); } } return 1; } /* *---------------------------------------------------------------------- * * TkWinSetForegroundWindow -- * * This function is a wrapper for SetForegroundWindow, calling it on the * wrapper window because it has no affect on child windows. * * Results: * none * * Side effects: * May activate the toplevel window. * *---------------------------------------------------------------------- */ void TkWinSetForegroundWindow( TkWindow *winPtr) { register WmInfo *wmPtr = winPtr->wmInfoPtr; if (wmPtr->wrapper != NULL) { SetForegroundWindow(wmPtr->wrapper); } else { SetForegroundWindow(Tk_GetHWND(winPtr->window)); } } /* *---------------------------------------------------------------------- * * TkpWinToplevelWithdraw -- * * This function is to be used by a window manage to withdraw a toplevel * window. * * Results: * none * * Side effects: * May withdraw the toplevel window. * *---------------------------------------------------------------------- */ void TkpWinToplevelWithDraw( TkWindow *winPtr) { register WmInfo *wmPtr = winPtr->wmInfoPtr; wmPtr->flags |= WM_WITHDRAWN; TkpWmSetState(winPtr, WithdrawnState); } /* *---------------------------------------------------------------------- * * TkpWinToplevelIconify -- * * This function is to be used by a window manage to iconify a toplevel * window. * * Results: * none * * Side effects: * May iconify the toplevel window. * *---------------------------------------------------------------------- */ void TkpWinToplevelIconify( TkWindow *winPtr) { TkpWmSetState(winPtr, IconicState); } /* *---------------------------------------------------------------------- * * TkpWinToplevelDeiconify -- * * This function is to be used by a window manage to deiconify a toplevel * window. * * Results: * none * * Side effects: * May deiconify the toplevel window. * *---------------------------------------------------------------------- */ void TkpWinToplevelDeiconify( TkWindow *winPtr) { register WmInfo *wmPtr = winPtr->wmInfoPtr; wmPtr->flags &= ~WM_WITHDRAWN; /* * If WM_UPDATE_PENDING is true, a pending UpdateGeometryInfo may need to * be called first to update a withdrawn toplevel's geometry before it is * deiconified by TkpWmSetState. Don't bother if we've never been mapped. */ if ((wmPtr->flags & WM_UPDATE_PENDING) && !(wmPtr->flags & WM_NEVER_MAPPED)) { Tcl_CancelIdleCall(UpdateGeometryInfo, winPtr); UpdateGeometryInfo(winPtr); } /* * If we were in the ZoomState (maximized), 'wm deiconify' should not * cause the window to shrink */ if (wmPtr->hints.initial_state == ZoomState) { TkpWmSetState(winPtr, ZoomState); } else { TkpWmSetState(winPtr, NormalState); } /* * An unmapped window will be mapped at idle time by a call to MapFrame. * That calls CreateWrapper which sets the focus and raises the window. */ if (wmPtr->flags & WM_NEVER_MAPPED) { return; } /* * Follow Windows-like style here, raising the window to the top. */ TkWmRestackToplevel(winPtr, Above, NULL); if (!(Tk_Attributes((Tk_Window) winPtr)->override_redirect)) { TkSetFocusWin(winPtr, 1); } } /* *---------------------------------------------------------------------- * * TkpWinGeometryIsControlledByWm -- * * This function is to be used by a window manage to see if wm has * canceled geometry control. * * Results: * 0 - if the window manager has canceled its control * 1 - if the window manager controls the geometry * * Side effects: * None. * *---------------------------------------------------------------------- */ long TkpWinToplevelIsControlledByWm( TkWindow *winPtr) { register WmInfo *wmPtr = winPtr->wmInfoPtr; if (!wmPtr) { return 0; } return ((wmPtr->width != -1) && (wmPtr->height != -1)) ? 1 : 0; } /* *---------------------------------------------------------------------- * * TkpWinToplevelMove -- * * This function is to be used by a container to move an embedded window. * * Results: * position of the upper left frame in a 32-bit long: * 16-MSBits - x; 16-LSBits - y * * Side effects: * May move the embedded window. * *---------------------------------------------------------------------- */ long TkpWinToplevelMove( TkWindow *winPtr, int x, int y) { register WmInfo *wmPtr = winPtr->wmInfoPtr; if (wmPtr && x >= 0 && y >= 0 && !TkpWinToplevelIsControlledByWm(winPtr)) { Tk_MoveToplevelWindow((Tk_Window) winPtr, x, y); } return ((winPtr->changes.x << 16) & 0xffff0000) | (winPtr->changes.y & 0xffff); } /* *---------------------------------------------------------------------- * * TkpWinToplevelOverrideRedirect -- * * This function is to be used by a container to overrideredirect the * contaner's frame window. * * Results: * The current overrideredirect value * * Side effects: * May change the overrideredirect value of the container window * *---------------------------------------------------------------------- */ long TkpWinToplevelOverrideRedirect( TkWindow *winPtr, int reqValue) { int curValue; register WmInfo *wmPtr = winPtr->wmInfoPtr; curValue = Tk_Attributes((Tk_Window) winPtr)->override_redirect; if (reqValue < 0) { return curValue; } if (curValue != reqValue) { XSetWindowAttributes atts; /* * Only do this if we are really changing value, because it causes * some funky stuff to occur */ atts.override_redirect = reqValue ? True : False; Tk_ChangeWindowAttributes((Tk_Window) winPtr, CWOverrideRedirect, &atts); if (!(wmPtr->flags & (WM_NEVER_MAPPED)) && !(winPtr->flags & TK_EMBEDDED)) { UpdateWrapper(winPtr); } } return reqValue; } /* *---------------------------------------------------------------------- * * TkpWinToplevelDetachWindow -- * * This function is to be usd for changing a toplevel's wrapper or * container. * * Results: * The window's wrapper/container is removed. * * Side effects: * None. * *---------------------------------------------------------------------- */ void TkpWinToplevelDetachWindow( TkWindow *winPtr) { register WmInfo *wmPtr = winPtr->wmInfoPtr; if (winPtr->flags & TK_EMBEDDED) { int state = SendMessage(wmPtr->wrapper, TK_STATE, -1, -1) - 1; SendMessage(wmPtr->wrapper, TK_SETMENU, 0, 0); SendMessage(wmPtr->wrapper, TK_DETACHWINDOW, 0, 0); winPtr->flags &= ~TK_EMBEDDED; winPtr->privatePtr = NULL; wmPtr->wrapper = None; if (state >= 0 && state <= 3) { wmPtr->hints.initial_state = state; } } if (winPtr->flags & TK_TOP_LEVEL) { TkpWinToplevelOverrideRedirect(winPtr, 1); } } /* *---------------------------------------------------------------------- * * RemapWindows * * Adjust parent/child relation ships of the given window hierarchy. * * Results: * none * * Side effects: * keeps windowing system happy * *---------------------------------------------------------------------- */ static void RemapWindows( TkWindow *winPtr, HWND parentHWND) { TkWindow *childPtr; const char *className = Tk_Class(winPtr); /* * Skip menus as they are handled differently. */ if (className != NULL && strcmp(className, "Menu") == 0) { return; } if (winPtr->window) { SetParent(Tk_GetHWND(winPtr->window), parentHWND); } /* * Repeat for all the children. */ for (childPtr = winPtr->childList; childPtr != NULL; childPtr = childPtr->nextPtr) { RemapWindows(childPtr, winPtr->window ? Tk_GetHWND(winPtr->window) : NULL); } } /* * Local Variables: * mode: c * c-basic-offset: 4 * fill-column: 78 * End: */