/* * tkUnixWm.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) 1991-1994 The Regents of the University of California. * Copyright (c) 1994-1997 Sun Microsystems, Inc. * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ #include "tkUnixInt.h" /* * 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)) /* * Data for [wm attributes] command: */ typedef struct { double alpha; /* Transparency; 0.0=transparent, 1.0=opaque */ int topmost; /* Flag: true=>stay-on-top */ int zoomed; /* Flag: true=>maximized */ int fullscreen; /* Flag: true=>fullscreen */ } WmAttributes; typedef enum { WMATT_ALPHA, WMATT_TOPMOST, WMATT_ZOOMED, WMATT_FULLSCREEN, WMATT_TYPE, _WMATT_LAST_ATTRIBUTE } WmAttribute; static const char *const WmAttributeNames[] = { "-alpha", "-topmost", "-zoomed", "-fullscreen", "-type", NULL }; /* * 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. */ Window reparent; /* If the window has been reparented, this * gives the ID of the ancestor of the window * that is a child of the root window (may not * be window's immediate parent). If the * window isn't reparented, this has the value * None. */ 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. */ int withdrawn; /* Non-zero means window has been withdrawn. */ /* * In order to support menubars transparently under X, each toplevel * window is encased in an additional window, called the wrapper, that * holds the toplevel and the menubar, if any. The information below is * used to keep track of the wrapper and the menubar. */ TkWindow *wrapperPtr; /* Pointer to information about the wrapper. * This is the "real" toplevel window as seen * by the window manager. Although this is an * official Tk window, it doesn't appear in * the application's window hierarchy. NULL * means that the wrapper hasn't been created * yet. */ Tk_Window menubar; /* Pointer to information about the menubar, * or NULL if there is no menubar for this * toplevel. */ int menuHeight; /* Amount of vertical space needed for * menubar, measured in pixels. If menubar is * non-NULL, this is >= 1 (X servers don't * like dimensions of 0). */ /* * Information used to construct an XSizeHints structure for the window * manager: */ 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 parentWidth, parentHeight; /* Width and height of reparent, in pixels * *including border*. If window hasn't been * reparented then these will be the outer * dimensions of the window, including * border. */ int xInParent, yInParent; /* Offset of wrapperPtr within reparent, * measured in pixels from upper-left outer * corner of reparent's border to upper-left * outer corner of wrapperPtr's border. If not * reparented then these are zero. */ int configWidth, configHeight; /* Dimensions passed to last request that we * issued to change geometry of the wrapper. * Used to eliminate redundant resize * operations. */ /* * Information about the virtual root window for this top-level, if there * is one. */ Window vRoot; /* Virtual root window for this top-level, or * None if there is no virtual root window * (i.e. just use the screen's root). */ int vRootX, vRootY; /* Position of the virtual root inside the * root window. If the WM_VROOT_OFFSET_STALE * flag is set then this information may be * incorrect and needs to be refreshed from * the X server. If vRoot is None then these * values are both 0. */ int vRootWidth, vRootHeight;/* Dimensions of the virtual root window. If * vRoot is None, gives the dimensions of the * containing screen. This information is * never stale, even though vRootX and vRootY * can be. */ /* * Miscellaneous information. */ WmAttributes attributes; /* Current state of [wm attributes] */ WmAttributes reqState; /* Requested state of [wm attributes] */ 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 */ int iconDataSize; /* size of iconphoto image data */ unsigned char *iconDataPtr; /* iconphoto image data, if set */ 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. * WM_SYNC_PENDING - set to non-zero while waiting for the window * manager to respond to some state change. * WM_VROOT_OFFSET_STALE - non-zero means that (x,y) offset information * about the virtual root window is stale and * needs to be fetched fresh from the X server. * WM_ABOUT_TO_MAP - non-zero means that the window is about to be * mapped by TkWmMapWindow. This is used by * UpdateGeometryInfo to modify its behavior. * 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. */ #define WM_NEVER_MAPPED 1 #define WM_UPDATE_PENDING 2 #define WM_NEGATIVE_X 4 #define WM_NEGATIVE_Y 8 #define WM_UPDATE_SIZE_HINTS 0x10 #define WM_SYNC_PENDING 0x20 #define WM_VROOT_OFFSET_STALE 0x40 #define WM_ABOUT_TO_MAP 0x100 #define WM_MOVE_PENDING 0x200 #define WM_COLORMAPS_EXPLICIT 0x400 #define WM_ADDED_TOPLEVEL_COLORMAP 0x800 #define WM_WIDTH_NOT_RESIZABLE 0x1000 #define WM_HEIGHT_NOT_RESIZABLE 0x2000 #define WM_WITHDRAWN 0x4000 /* * Wrapper for XGetWindowProperty and XChangeProperty to make them a *bit* * less verbose. */ #define GetWindowProperty(wrapperPtr, atom, length, type, typePtr, formatPtr, numItemsPtr, bytesAfterPtr, itemsPtr) \ (XGetWindowProperty((wrapperPtr)->display, (wrapperPtr)->window, \ (atom), 0, (long) (length), False, (type), \ (typePtr), (formatPtr), (numItemsPtr), (bytesAfterPtr), \ (unsigned char **) (itemsPtr)) == Success) #define SetWindowProperty(wrapperPtr, atomName, type, width, data, length) \ XChangeProperty((wrapperPtr)->display, (wrapperPtr)->window, \ Tk_InternAtom((Tk_Window) wrapperPtr, (atomName)), \ (type), (width), PropModeReplace, (unsigned char *) (data), \ (int) (length)) /* * This module keeps a list of all top-level windows, primarily to simplify * the job of Tk_CoordsToWindow. The list is called firstWmPtr and is stored * in the TkDisplay structure. */ /* * The following structures are the official type records for geometry * management of top-level and menubar windows. */ static void TopLevelReqProc(ClientData dummy, Tk_Window tkwin); static void RemapWindows(TkWindow *winPtr, TkWindow *parentPtr); static void MenubarReqProc(ClientData clientData, Tk_Window tkwin); static const Tk_GeomMgr wmMgrType = { "wm", /* name */ TopLevelReqProc, /* requestProc */ NULL, /* lostSlaveProc */ }; static const Tk_GeomMgr menubarMgrType = { "menubar", /* name */ MenubarReqProc, /* requestProc */ NULL, /* lostSlaveProc */ }; /* * Structures of the following type are used for communication between * WaitForEvent, WaitRestrictProc, and WaitTimeoutProc. */ typedef struct WaitRestrictInfo { Display *display; /* Window belongs to this display. */ WmInfo *wmInfoPtr; int type; /* We only care about this type of event. */ XEvent *eventPtr; /* Where to store the event when it's found. */ int foundEvent; /* Non-zero means that an event of the desired * type has been found. */ } WaitRestrictInfo; /* * Forward declarations for functions defined in this file: */ static int ComputeReparentGeometry(WmInfo *wmPtr); static void ConfigureEvent(WmInfo *wmPtr, XConfigureEvent *eventPtr); static void CreateWrapper(WmInfo *wmPtr); static void GetMaxSize(WmInfo *wmPtr, int *maxWidthPtr, int *maxHeightPtr); static void MenubarDestroyProc(ClientData clientData, XEvent *eventPtr); static int ParseGeometry(Tcl_Interp *interp, const char *string, TkWindow *winPtr); static void ReparentEvent(WmInfo *wmPtr, XReparentEvent *eventPtr); static void PropertyEvent(WmInfo *wmPtr, XPropertyEvent *eventPtr); static void TkWmStackorderToplevelWrapperMap(TkWindow *winPtr, Display *display, Tcl_HashTable *reparentTable); static void TopLevelReqProc(ClientData dummy, Tk_Window tkwin); static void RemapWindows(TkWindow *winPtr, TkWindow *parentPtr); static void UpdateCommand(TkWindow *winPtr); static void UpdateGeometryInfo(ClientData clientData); static void UpdateHints(TkWindow *winPtr); static void UpdateSizeHints(TkWindow *winPtr, int newWidth, int newHeight); static void UpdateTitle(TkWindow *winPtr); static void UpdatePhotoIcon(TkWindow *winPtr); static void UpdateVRootGeometry(WmInfo *wmPtr); static void UpdateWmProtocols(WmInfo *wmPtr); static int SetNetWmType(TkWindow *winPtr, Tcl_Obj *typePtr); static Tcl_Obj * GetNetWmType(TkWindow *winPtr); static void SetNetWmState(TkWindow*, const char *atomName, int on); static void CheckNetWmState(WmInfo *, Atom *atoms, int numAtoms); static void UpdateNetWmState(WmInfo *); static void WaitForConfigureNotify(TkWindow *winPtr, unsigned long serial); static int WaitForEvent(Display *display, WmInfo *wmInfoPtr, int type, XEvent *eventPtr); static void WaitForMapNotify(TkWindow *winPtr, int mapped); static Tk_RestrictProc WaitRestrictProc; static void WrapperEventProc(ClientData clientData, XEvent *eventPtr); static void WmWaitMapProc(ClientData clientData, XEvent *eventPtr); 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); /* *-------------------------------------------------------------- * * TkWmCleanup -- * * This function is invoked to cleanup remaining wm resources associated * with a display. * * Results: * None. * * Side effects: * All WmInfo structure resources are freed and invalidated. * *-------------------------------------------------------------- */ void TkWmCleanup( TkDisplay *dispPtr) { WmInfo *wmPtr, *nextPtr; for (wmPtr = dispPtr->firstWmPtr; wmPtr != NULL; wmPtr = nextPtr) { /* * We can't assume we have access to winPtr's anymore, so some cleanup * requiring winPtr data is avoided. */ nextPtr = wmPtr->nextPtr; if (wmPtr->title != NULL) { ckfree(wmPtr->title); } if (wmPtr->iconName != NULL) { ckfree(wmPtr->iconName); } if (wmPtr->iconDataPtr != NULL) { ckfree(wmPtr->iconDataPtr); } if (wmPtr->leaderName != NULL) { ckfree(wmPtr->leaderName); } if (wmPtr->menubar != NULL) { Tk_DestroyWindow(wmPtr->menubar); } if (wmPtr->wrapperPtr != NULL) { Tk_DestroyWindow((Tk_Window) wmPtr->wrapperPtr); } while (wmPtr->protPtr != NULL) { ProtocolHandler *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); } ckfree(wmPtr); } if (dispPtr->iconDataPtr != NULL) { ckfree(dispPtr->iconDataPtr); dispPtr->iconDataPtr = NULL; } } /* *-------------------------------------------------------------- * * 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; TkDisplay *dispPtr = winPtr->dispPtr; wmPtr = ckalloc(sizeof(WmInfo)); memset(wmPtr, 0, sizeof(WmInfo)); wmPtr->winPtr = winPtr; wmPtr->reparent = None; wmPtr->masterPtr = NULL; wmPtr->numTransients = 0; 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; /* * Initialize attributes. */ wmPtr->attributes.alpha = 1.0; wmPtr->attributes.topmost = 0; wmPtr->attributes.zoomed = 0; wmPtr->attributes.fullscreen = 0; wmPtr->reqState = wmPtr->attributes; /* * Default the maximum dimensions to the size of the display, minus a * guess about how space is needed for window manager decorations. */ wmPtr->gridWin = NULL; 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->parentWidth = winPtr->changes.width + 2*winPtr->changes.border_width; wmPtr->parentHeight = winPtr->changes.height + 2*winPtr->changes.border_width; wmPtr->configWidth = -1; wmPtr->configHeight = -1; wmPtr->vRoot = None; wmPtr->flags = WM_NEVER_MAPPED; wmPtr->nextPtr = (WmInfo *) dispPtr->firstWmPtr; dispPtr->firstWmPtr = wmPtr; winPtr->wmInfoPtr = wmPtr; UpdateVRootGeometry(wmPtr); /* * Arrange for geometry requests to be reflected from the window to the * window manager. */ Tk_ManageGeometry((Tk_Window) winPtr, &wmMgrType, NULL); } /* *-------------------------------------------------------------- * * 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; XTextProperty textProp; if (wmPtr->flags & WM_NEVER_MAPPED) { Tcl_DString ds; wmPtr->flags &= ~WM_NEVER_MAPPED; /* * This is the first time this window has ever been mapped. First * create the wrapper window that provides space for a menubar. */ if (wmPtr->wrapperPtr == NULL) { CreateWrapper(wmPtr); } /* * Store all the window-manager-related information for the window. */ TkWmSetClass(winPtr); UpdateTitle(winPtr); UpdatePhotoIcon(winPtr); if (wmPtr->masterPtr != NULL) { /* * Don't map a transient if the master is not mapped. */ if (!Tk_IsMapped(wmPtr->masterPtr)) { wmPtr->withdrawn = 1; wmPtr->hints.initial_state = WithdrawnState; } /* * Make sure that we actually set the transient-for property, even * if we are withdrawn. [Bug 1163496] */ XSetTransientForHint(winPtr->display, wmPtr->wrapperPtr->window, wmPtr->masterPtr->wmInfoPtr->wrapperPtr->window); } wmPtr->flags |= WM_UPDATE_SIZE_HINTS; UpdateHints(winPtr); UpdateWmProtocols(wmPtr); if (wmPtr->cmdArgv != NULL) { UpdateCommand(winPtr); } if (wmPtr->clientMachine != NULL) { Tcl_UtfToExternalDString(NULL, wmPtr->clientMachine, -1, &ds); if (XStringListToTextProperty(&(Tcl_DStringValue(&ds)), 1, &textProp) != 0) { unsigned long pid = (unsigned long) getpid(); XSetWMClientMachine(winPtr->display, wmPtr->wrapperPtr->window, &textProp); XFree((char *) textProp.value); /* * Inform the server (and more particularly any session * manager) what our process ID is. We only do this when the * CLIENT_MACHINE property is set since the spec for * _NET_WM_PID requires that to be set too. */ SetWindowProperty(wmPtr->wrapperPtr, "_NET_WM_PID", XA_CARDINAL, 32, &pid, 1); } Tcl_DStringFree(&ds); } } if (wmPtr->hints.initial_state == WithdrawnState) { return; } if (wmPtr->iconFor != NULL) { /* * This window is an icon for somebody else. Make sure that the * geometry is up-to-date, then return without mapping the window. */ if (wmPtr->flags & WM_UPDATE_PENDING) { Tcl_CancelIdleCall(UpdateGeometryInfo, winPtr); } UpdateGeometryInfo(winPtr); return; } wmPtr->flags |= WM_ABOUT_TO_MAP; if (wmPtr->flags & WM_UPDATE_PENDING) { Tcl_CancelIdleCall(UpdateGeometryInfo, winPtr); } UpdateGeometryInfo(winPtr); wmPtr->flags &= ~WM_ABOUT_TO_MAP; /* * Update _NET_WM_STATE hints: */ UpdateNetWmState(wmPtr); /* * Map the window, then wait to be sure that the window manager has * processed the map operation. */ XMapWindow(winPtr->display, wmPtr->wrapperPtr->window); if (wmPtr->hints.initial_state == NormalState) { WaitForMapNotify(winPtr, 1); } } /* *-------------------------------------------------------------- * * TkWmUnmapWindow -- * * This function is invoked to unmap a top-level window. The only thing * it does special is to wait for the window actually to be unmapped. * * Results: * None. * * Side effects: * Unmaps the window. * *-------------------------------------------------------------- */ void TkWmUnmapWindow( TkWindow *winPtr) /* Top-level window that's about to be * mapped. */ { /* * It seems to be important to wait after unmapping a top-level window * until the window really gets unmapped. I don't completely understand * all the interactions with the window manager, but if we go on without * waiting, and if the window is then mapped again quickly, events seem to * get lost so that we think the window isn't mapped when in fact it is * mapped. I suspect that this has something to do with the window manager * filtering Map events (and possily not filtering Unmap events?). */ XUnmapWindow(winPtr->display, winPtr->wmInfoPtr->wrapperPtr->window); WaitForMapNotify(winPtr, 0); } /* *-------------------------------------------------------------- * * 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; } if ((WmInfo *) winPtr->dispPtr->firstWmPtr == wmPtr) { winPtr->dispPtr->firstWmPtr = wmPtr->nextPtr; } else { register WmInfo *prevPtr; for (prevPtr = (WmInfo *) winPtr->dispPtr->firstWmPtr; ; prevPtr = prevPtr->nextPtr) { /* ASSERT: prevPtr != NULL [Bug 1789819] */ if (prevPtr->nextPtr == wmPtr) { prevPtr->nextPtr = wmPtr->nextPtr; break; } } } if (wmPtr->title != NULL) { ckfree(wmPtr->title); } if (wmPtr->iconName != NULL) { ckfree(wmPtr->iconName); } if (wmPtr->iconDataPtr != NULL) { ckfree(wmPtr->iconDataPtr); } 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; wmPtr2->withdrawn = 1; } if (wmPtr->iconFor != NULL) { wmPtr2 = ((TkWindow *) wmPtr->iconFor)->wmInfoPtr; wmPtr2->icon = NULL; wmPtr2->hints.flags &= ~IconWindowHint; UpdateHints((TkWindow *) wmPtr->iconFor); } if (wmPtr->menubar != NULL) { Tk_DestroyWindow(wmPtr->menubar); } if (wmPtr->wrapperPtr != NULL) { /* * The rest of Tk doesn't know that we reparent the toplevel inside * the wrapper, so reparent it back out again before deleting the * wrapper; otherwise the toplevel will get deleted twice (once * implicitly by the deletion of the wrapper). */ XUnmapWindow(winPtr->display, winPtr->window); XReparentWindow(winPtr->display, winPtr->window, XRootWindow(winPtr->display, winPtr->screenNum), 0, 0); Tk_DestroyWindow((Tk_Window) wmPtr->wrapperPtr); } while (wmPtr->protPtr != NULL) { ProtocolHandler *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); } /* * 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, StructureNotifyMask, WmWaitMapProc, wmPtr2->winPtr); wmPtr2->masterPtr = NULL; if (!(wmPtr2->flags & WM_NEVER_MAPPED)) { XDeleteProperty(winPtr->display, wmPtr2->wrapperPtr->window, Tk_InternAtom((Tk_Window) winPtr, "WM_TRANSIENT_FOR")); /* * FIXME: Need a call like Win32's UpdateWrapper() so we can * recreate the wrapper and get rid of the transient window * decorations. */ } } } /* ASSERT: numTransients == 0 [Bug 1789819] */ 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, StructureNotifyMask, WmWaitMapProc, winPtr); wmPtr->masterPtr = NULL; } 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. */ { if (winPtr->wmInfoPtr->flags & WM_NEVER_MAPPED) { return; } if (winPtr->classUid != NULL) { XClassHint *classPtr; Tcl_DString name, class; Tcl_UtfToExternalDString(NULL, winPtr->nameUid, -1, &name); Tcl_UtfToExternalDString(NULL, winPtr->classUid, -1, &class); classPtr = XAllocClassHint(); classPtr->res_name = Tcl_DStringValue(&name); classPtr->res_class = Tcl_DStringValue(&class); XSetClassHint(winPtr->display, winPtr->wmInfoPtr->wrapperPtr->window, classPtr); XFree((char *) classPtr); Tcl_DStringFree(&name); Tcl_DStringFree(&class); } } /* *---------------------------------------------------------------------- * * Tk_WmObjCmd -- * * This function is invoked to process the "wm" Tcl command. * *---------------------------------------------------------------------- */ /* 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; const char *argv1; TkWindow *winPtr; Tk_Window targetWin; 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]); if ((argv1[0] == 't') && (strncmp(argv1, "tracing", objv[1]->length) == 0) && (objv[1]->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], &targetWin) != TCL_OK) { return TCL_ERROR; } winPtr = (TkWindow *) targetWin; 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; } wmPtr->flags |= WM_UPDATE_SIZE_HINTS; WmUpdateGeom(wmPtr, winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmSetAttribute -- * * Helper routine for WmAttributesCmd. Sets the value of the specified * attribute. * * Returns: * * TCL_OK if successful, TCL_ERROR otherwise. In case of an error, leaves * a message in the interpreter's result. * *---------------------------------------------------------------------- */ static int WmSetAttribute( TkWindow *winPtr, /* Toplevel to work with */ Tcl_Interp *interp, /* Current interpreter */ WmAttribute attribute, /* Code of attribute to set */ Tcl_Obj *value) /* New value */ { WmInfo *wmPtr = winPtr->wmInfoPtr; switch (attribute) { case WMATT_ALPHA: { unsigned long opacity; /* 0=transparent, 0xFFFFFFFF=opaque */ if (TCL_OK != Tcl_GetDoubleFromObj(interp, value, &wmPtr->reqState.alpha)) { return TCL_ERROR; } if (wmPtr->reqState.alpha < 0.0) { wmPtr->reqState.alpha = 0.0; } if (wmPtr->reqState.alpha > 1.0) { wmPtr->reqState.alpha = 1.0; } if (!wmPtr->wrapperPtr) { break; } opacity = 0xFFFFFFFFul * wmPtr->reqState.alpha; SetWindowProperty(wmPtr->wrapperPtr, "_NET_WM_WINDOW_OPACITY", XA_CARDINAL, 32, &opacity, 1L); wmPtr->attributes.alpha = wmPtr->reqState.alpha; break; } case WMATT_TOPMOST: if (Tcl_GetBooleanFromObj(interp, value, &wmPtr->reqState.topmost) != TCL_OK) { return TCL_ERROR; } SetNetWmState(winPtr, "_NET_WM_STATE_ABOVE", wmPtr->reqState.topmost); break; case WMATT_TYPE: if (TCL_OK != SetNetWmType(winPtr, value)) return TCL_ERROR; break; case WMATT_ZOOMED: if (Tcl_GetBooleanFromObj(interp, value, &wmPtr->reqState.zoomed) != TCL_OK) { return TCL_ERROR; } SetNetWmState(winPtr, "_NET_WM_STATE_MAXIMIZED_VERT", wmPtr->reqState.zoomed); SetNetWmState(winPtr, "_NET_WM_STATE_MAXIMIZED_HORZ", wmPtr->reqState.zoomed); break; case WMATT_FULLSCREEN: if (Tcl_GetBooleanFromObj(interp, value, &wmPtr->reqState.fullscreen) != TCL_OK) { return TCL_ERROR; } SetNetWmState(winPtr, "_NET_WM_STATE_FULLSCREEN", wmPtr->reqState.fullscreen); break; case _WMATT_LAST_ATTRIBUTE: /* NOTREACHED */ return TCL_ERROR; } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmGetAttribute -- * * Helper routine for WmAttributesCmd. Returns the current value of the * specified attribute. * * See also: CheckNetWmState(). * *---------------------------------------------------------------------- */ static Tcl_Obj * WmGetAttribute( TkWindow *winPtr, /* Toplevel to work with */ WmAttribute attribute) /* Code of attribute to get */ { WmInfo *wmPtr = winPtr->wmInfoPtr; switch (attribute) { case WMATT_ALPHA: return Tcl_NewDoubleObj(wmPtr->attributes.alpha); case WMATT_TOPMOST: return Tcl_NewBooleanObj(wmPtr->attributes.topmost); case WMATT_ZOOMED: return Tcl_NewBooleanObj(wmPtr->attributes.zoomed); case WMATT_FULLSCREEN: return Tcl_NewBooleanObj(wmPtr->attributes.fullscreen); case WMATT_TYPE: return GetNetWmType(winPtr); case _WMATT_LAST_ATTRIBUTE: /*NOTREACHED*/ break; } /*NOTREACHED*/ return NULL; } /* *---------------------------------------------------------------------- * * WmAttributesCmd -- * * This function is invoked to process the "wm attributes" Tcl command. * * Syntax: * * wm attributes $win ?-attribute ?value attribute value...?? * * Notes: * * Attributes of mapped windows are set by sending a _NET_WM_STATE * ClientMessage to the root window (see SetNetWmState). For withdrawn * windows, we keep track of the requested attribute state, and set the * _NET_WM_STATE property ourselves immediately prior to mapping the * window. * * See also: TIP#231, EWMH. * *---------------------------------------------------------------------- */ 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. */ { int attribute = 0; if (objc == 3) { /* wm attributes $win */ Tcl_Obj *result = Tcl_NewListObj(0,0); for (attribute = 0; attribute < _WMATT_LAST_ATTRIBUTE; ++attribute) { Tcl_ListObjAppendElement(interp, result, Tcl_NewStringObj(WmAttributeNames[attribute], -1)); Tcl_ListObjAppendElement(interp, result, WmGetAttribute(winPtr, attribute)); } Tcl_SetObjResult(interp, result); return TCL_OK; } else if (objc == 4) { /* wm attributes $win -attribute */ if (Tcl_GetIndexFromObjStruct(interp, objv[3], WmAttributeNames, sizeof(char *), "attribute", 0, &attribute) != TCL_OK) { return TCL_ERROR; } Tcl_SetObjResult(interp, WmGetAttribute(winPtr, attribute)); return TCL_OK; } else if ((objc - 3) % 2 == 0) { /* wm attributes $win -att value... */ int i; for (i = 3; i < objc; i += 2) { if (Tcl_GetIndexFromObjStruct(interp, objv[i], WmAttributeNames, sizeof(char *), "attribute", 0, &attribute) != TCL_OK) { return TCL_ERROR; } if (WmSetAttribute(winPtr,interp,attribute,objv[i+1]) != TCL_OK) { return TCL_ERROR; } } return TCL_OK; } Tcl_WrongNumArgs(interp, 2, objv, "window ?-attribute ?value ...??"); return TCL_ERROR; } /* *---------------------------------------------------------------------- * * 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; 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]); if (argv3[0] == 0) { if (wmPtr->clientMachine != NULL) { ckfree(wmPtr->clientMachine); wmPtr->clientMachine = NULL; if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XDeleteProperty(winPtr->display, wmPtr->wrapperPtr->window, Tk_InternAtom((Tk_Window) winPtr, "WM_CLIENT_MACHINE")); } } return TCL_OK; } if (wmPtr->clientMachine != NULL) { ckfree(wmPtr->clientMachine); } wmPtr->clientMachine = ckalloc(objv[3]->length + 1); strcpy(wmPtr->clientMachine, argv3); if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XTextProperty textProp; Tcl_DString ds; Tcl_UtfToExternalDString(NULL, wmPtr->clientMachine, -1, &ds); if (XStringListToTextProperty(&(Tcl_DStringValue(&ds)), 1, &textProp) != 0) { unsigned long pid = (unsigned long) getpid(); XSetWMClientMachine(winPtr->display, wmPtr->wrapperPtr->window, &textProp); XFree((char *) textProp.value); /* * Inform the server (and more particularly any session manager) * what our process ID is. We only do this when the CLIENT_MACHINE * property is set since the spec for _NET_WM_PID requires that to * be set too. */ SetWindowProperty(wmPtr->wrapperPtr, "_NET_WM_PID", XA_CARDINAL, 32, &pid, 1); } Tcl_DStringFree(&ds); } 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; Window *cmapList; TkWindow *winPtr2; int count, i, windowObjc, gotToplevel; Tcl_Obj **windowObjv, *resultObj; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?windowList?"); return TCL_ERROR; } Tk_MakeWindowExist((Tk_Window) winPtr); if (wmPtr->wrapperPtr == NULL) { CreateWrapper(wmPtr); } if (objc == 3) { if (XGetWMColormapWindows(winPtr->display, wmPtr->wrapperPtr->window, &cmapList, &count) == 0) { return TCL_OK; } resultObj = Tcl_NewObj(); for (i = 0; i < count; i++) { if ((i == (count-1)) && (wmPtr->flags & WM_ADDED_TOPLEVEL_COLORMAP)) { break; } winPtr2 = (TkWindow *) Tk_IdToWindow(winPtr->display, cmapList[i]); if (winPtr2 == NULL) { Tcl_ListObjAppendElement(NULL, resultObj, Tcl_ObjPrintf("0x%lx", cmapList[i])); } else { Tcl_ListObjAppendElement(NULL, resultObj, Tcl_NewStringObj(winPtr2->pathName, -1)); } } XFree((char *) cmapList); 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(Window)); gotToplevel = 0; for (i = 0; i < windowObjc; i++) { Tk_Window mapWin; if (TkGetWindowFromObj(interp, tkwin, windowObjv[i], &mapWin) != TCL_OK) { ckfree(cmapList); return TCL_ERROR; } winPtr2 = (TkWindow *) mapWin; if (winPtr2 == winPtr) { gotToplevel = 1; } if (winPtr2->window == None) { Tk_MakeWindowExist((Tk_Window) winPtr2); } cmapList[i] = winPtr2->window; } if (!gotToplevel) { wmPtr->flags |= WM_ADDED_TOPLEVEL_COLORMAP; cmapList[windowObjc] = wmPtr->wrapperPtr->window; windowObjc++; } else { wmPtr->flags &= ~WM_ADDED_TOPLEVEL_COLORMAP; } wmPtr->flags |= WM_COLORMAPS_EXPLICIT; XSetWMColormapWindows(winPtr->display, wmPtr->wrapperPtr->window, cmapList, windowObjc); ckfree(cmapList); 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 *arg = Tcl_Merge(wmPtr->cmdArgc, wmPtr->cmdArgv); Tcl_SetObjResult(interp, Tcl_NewStringObj(arg, -1)); ckfree(arg); } 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, wmPtr->wrapperPtr->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)) { UpdateCommand(winPtr); } 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) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't deiconify %s: it is an embedded window", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "DEICONIFY", "EMBEDDED", NULL); return TCL_ERROR; } wmPtr->flags &= ~WM_WITHDRAWN; TkpWmSetState(winPtr, NormalState); 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; } UpdateHints(winPtr); 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)) { TkFocusJoin(winPtr); Tk_UnmapWindow(frameWin); TkWmDeadWindow(winPtr); winPtr->flags &= ~(TK_TOP_HIERARCHY|TK_TOP_LEVEL|TK_HAS_WRAPPER|TK_WIN_MANAGED); RemapWindows(winPtr, winPtr->parentPtr); /* * Make sure wm no longer manages this window */ Tk_ManageGeometry(frameWin, NULL, NULL); /* * 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; Window window; if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } window = wmPtr->reparent; if (window == None) { window = Tk_WindowId((Tk_Window) winPtr); } Tcl_SetObjResult(interp, Tcl_ObjPrintf("0x%x", (unsigned) window)); 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; } 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); } wmPtr->flags |= WM_UPDATE_SIZE_HINTS; 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; WmInfo *wmPtr2; const char *argv3; 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]); 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; } while (!Tk_TopWinHierarchy(tkwin2)) { /* * Ensure that the group leader is actually a Tk toplevel. */ tkwin2 = Tk_Parent(tkwin2); } Tk_MakeWindowExist(tkwin2); wmPtr2 = ((TkWindow *) tkwin2)->wmInfoPtr; if (wmPtr2->wrapperPtr == NULL) { CreateWrapper(wmPtr2); } if (wmPtr->leaderName != NULL) { ckfree(wmPtr->leaderName); } wmPtr->hints.window_group = Tk_WindowId(wmPtr2->wrapperPtr); wmPtr->hints.flags |= WindowGroupHint; wmPtr->leaderName = ckalloc(objv[3]->length + 1); strcpy(wmPtr->leaderName, argv3); } UpdateHints(winPtr); 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; 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 & IconPixmapHint) { Tcl_SetObjResult(interp, Tcl_NewStringObj( Tk_NameOfBitmap(winPtr->display, wmPtr->hints.icon_pixmap), -1)); } return TCL_OK; } argv3 = Tcl_GetString(objv[3]); if (*argv3 == '\0') { if (wmPtr->hints.icon_pixmap != None) { Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_pixmap); wmPtr->hints.icon_pixmap = None; } wmPtr->hints.flags &= ~IconPixmapHint; } else { pixmap = Tk_GetBitmap(interp, (Tk_Window) winPtr, argv3); if (pixmap == None) { return TCL_ERROR; } wmPtr->hints.icon_pixmap = pixmap; wmPtr->hints.flags |= IconPixmapHint; } UpdateHints(winPtr); 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 (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; } if (winPtr->flags & TK_EMBEDDED) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't iconify %s: it is an embedded window", winPtr->pathName)); Tcl_SetErrorCode(interp, "TK", "WM", "ICONIFY", "EMBEDDED", NULL); return TCL_ERROR; } if (TkpWmSetState(winPtr, IconicState) == 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "couldn't send iconify message to window manager", -1)); Tcl_SetErrorCode(interp, "TK", "WM", "COMMUNICATION", NULL); return TCL_ERROR; } 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; } UpdateHints(winPtr); 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; if (objc > 4) { Tcl_WrongNumArgs(interp, 2, objv, "window ?newName?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->iconName != NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj(wmPtr->iconName, -1)); } return TCL_OK; } else { if (wmPtr->iconName != NULL) { ckfree(wmPtr->iconName); } argv3 = Tcl_GetString(objv[3]); wmPtr->iconName = ckalloc(objv[3]->length + 1); strcpy(wmPtr->iconName, argv3); if (!(wmPtr->flags & WM_NEVER_MAPPED)) { UpdateTitle(winPtr); } } 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. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; Tk_PhotoHandle photo; Tk_PhotoImageBlock block; int i, size = 0, width, height, index = 0, x, y, isDefault = 0; unsigned long *iconPropertyData; if (objc < 4) { Tcl_WrongNumArgs(interp, 2, objv, "window ?-default? image1 ?image2 ...?"); return TCL_ERROR; } if (strcmp(Tcl_GetString(objv[3]), "-default") == 0) { isDefault = 1; if (objc == 4) { Tcl_WrongNumArgs(interp, 2, objv, "window ?-default? image1 ?image2 ...?"); return TCL_ERROR; } } /* * Iterate over all images to retrieve their sizes, in order to allocate a * buffer large enough to hold all images. */ for (i = 3 + isDefault; 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; } Tk_PhotoGetSize(photo, &width, &height); /* * We need to cardinals for width & height and one cardinal for each * image pixel. */ size += 2 + width * height; } /* * We have calculated the size of the data. Try to allocate the needed * memory space. This is an unsigned long array (despite this being twice * as much as is really needed on LP64 platforms) because that's what X * defines CARD32 arrays to use. [Bug 2902814] */ iconPropertyData = attemptckalloc(sizeof(unsigned long) * size); if (iconPropertyData == NULL) { return TCL_ERROR; } memset(iconPropertyData, 0, sizeof(unsigned long) * size); for (i = 3 + isDefault; i < objc; i++) { photo = Tk_FindPhoto(interp, Tcl_GetString(objv[i])); if (photo == NULL) { Tcl_Free((char *) iconPropertyData); return TCL_ERROR; } Tk_PhotoGetSize(photo, &width, &height); Tk_PhotoGetImage(photo, &block); /* * Each image data will be placed as an array of 32bit packed * CARDINAL, in a window property named "_NET_WM_ICON": _NET_WM_ICON * * _NET_WM_ICON CARDINAL[][2+n]/32 * * This is an array of possible icons for the client. This spec. does * not stipulate what size these icons should be, but individual * desktop environments or toolkits may do so. The Window Manager MAY * scale any of these icons to an appropriate size. * * This is an array of 32bit packed CARDINAL ARGB with high byte being * A, low byte being B. The first two cardinals are width, height. * Data is in rows, left to right and top to bottom. The data will be * endian-swapped going to the server if necessary. [Bug 2830420] * * The image data will be encoded in the iconPropertyData array. */ iconPropertyData[index++] = (unsigned long) width; iconPropertyData[index++] = (unsigned long) height; for (y = 0; y < height; y++) { for (x = 0; x < width; x++) { register unsigned char *pixelPtr = block.pixelPtr + x*block.pixelSize + y*block.pitch; register unsigned long R, G, B, A; R = pixelPtr[block.offset[0]]; G = pixelPtr[block.offset[1]]; B = pixelPtr[block.offset[2]]; A = pixelPtr[block.offset[3]]; iconPropertyData[index++] = A<<24 | R<<16 | G<<8 | B<<0; } } } if (wmPtr->iconDataPtr != NULL) { ckfree(wmPtr->iconDataPtr); wmPtr->iconDataPtr = NULL; } if (isDefault) { if (winPtr->dispPtr->iconDataPtr != NULL) { ckfree(winPtr->dispPtr->iconDataPtr); } winPtr->dispPtr->iconDataPtr = (unsigned char *) iconPropertyData; winPtr->dispPtr->iconDataSize = size; } else { wmPtr->iconDataPtr = (unsigned char *) iconPropertyData; wmPtr->iconDataSize = size; } if (!(wmPtr->flags & WM_NEVER_MAPPED)) { UpdatePhotoIcon(winPtr); } 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] == '\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; } UpdateHints(winPtr); 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) { /* * Remove the icon window relationship. In principle we should * also re-enable button events for the window, but this doesn't * work in general because the window manager is probably * selecting on them (we'll get an error if we try to re-enable * the events). So, just leave the icon window event-challenged; * the user will have to recreate it if they want button events. */ wmPtr2 = ((TkWindow *) wmPtr->icon)->wmInfoPtr; wmPtr2->iconFor = NULL; wmPtr2->withdrawn = 1; 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; wmPtr3->withdrawn = 1; wmPtr3->hints.initial_state = WithdrawnState; } /* * 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); if (wmPtr2->wrapperPtr == NULL) { CreateWrapper(wmPtr2); } wmPtr->hints.icon_window = Tk_WindowId(wmPtr2->wrapperPtr); wmPtr->hints.flags |= IconWindowHint; wmPtr->icon = tkwin2; wmPtr2->iconFor = (Tk_Window) winPtr; if (!wmPtr2->withdrawn && !(wmPtr2->flags & WM_NEVER_MAPPED)) { wmPtr2->withdrawn = 0; if (XWithdrawWindow(Tk_Display(tkwin2), Tk_WindowId(wmPtr2->wrapperPtr), Tk_ScreenNumber(tkwin2)) == 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "couldn't send withdraw message to window manager", -1)); Tcl_SetErrorCode(interp, "TK", "WM", "COMMUNICATION", NULL); return TCL_ERROR; } WaitForMapNotify((TkWindow *) tkwin2, 0); } } UpdateHints(winPtr); 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; if (wmPtr == NULL) { TkWmNewWindow(winPtr); TkWmMapWindow(winPtr); Tk_UnmapWindow(frameWin); } wmPtr = winPtr->wmInfoPtr; winPtr->flags &= ~TK_MAPPED; RemapWindows(winPtr, wmPtr->wrapperPtr); /* * 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; wmPtr->flags |= WM_UPDATE_SIZE_HINTS; if (width <= 0 && height <= 0) { wmPtr->sizeHintsFlags &= ~PMaxSize; } else { wmPtr->sizeHintsFlags |= PMaxSize; } 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]; results[0] = Tcl_NewIntObj(wmPtr->minWidth); results[1] = Tcl_NewIntObj(wmPtr->minHeight); 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; wmPtr->flags |= WM_UPDATE_SIZE_HINTS; 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. */ { int boolean, curValue; XSetWindowAttributes atts; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?boolean?"); return TCL_ERROR; } 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) { /* * 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 (winPtr->wmInfoPtr->wrapperPtr != NULL) { Tk_ChangeWindowAttributes( (Tk_Window) winPtr->wmInfoPtr->wrapperPtr, CWOverrideRedirect, &atts); } } 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; } } wmPtr->flags |= WM_UPDATE_SIZE_HINTS; 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; int cmdLength; 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. */ Tcl_Obj *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; } /* * Special case for _NET_WM_PING: that's always handled directly. */ if (strcmp(Tcl_GetString(objv[3]), "_NET_WM_PING") == 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "may not alter handling of that protocol", -1)); Tcl_SetErrorCode(interp, "TK", "WM", "PROTOCOL", "RESERVED", NULL); return TCL_ERROR; } /* * 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_GetStringFromObj(objv[4], &cmdLength); 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); } if (!(wmPtr->flags & WM_NEVER_MAPPED)) { UpdateWmProtocols(wmPtr); } 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; } wmPtr->flags |= WM_UPDATE_SIZE_HINTS; 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; } } wmPtr->flags |= WM_UPDATE_SIZE_HINTS; 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, **window_ptr; static const char *const optionStrings[] = { "isabove", "isbelow", NULL }; enum options { OPT_ISABOVE, OPT_ISBELOW }; 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_Obj *resultObj = Tcl_NewObj(); /* ASSERT: true [Bug 1789819]*/ for (window_ptr = windows; *window_ptr ; window_ptr++) { Tcl_ListObjAppendElement(NULL, resultObj, Tcl_NewStringObj((*window_ptr)->pathName, -1)); } ckfree(windows); Tcl_SetObjResult(interp, resultObj); return TCL_OK; } } else { Tk_Window relWin; TkWindow *winPtr2; int index1=-1, index2=-1, result; if (TkGetWindowFromObj(interp, tkwin, objv[4], &relWin) != TCL_OK) { return TCL_ERROR; } winPtr2 = (TkWindow *) relWin; 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 (window_ptr = windows; *window_ptr ; window_ptr++) { if (*window_ptr == winPtr) { index1 = (window_ptr - windows); } if (*window_ptr == winPtr2) { index2 = (window_ptr - windows); } } /* ASSERT: index1 != -1 && index2 != -2 [Bug 1789819] */ 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; } 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", NULL }; enum options { OPT_NORMAL, OPT_ICONIC, OPT_WITHDRAWN }; 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 (index == OPT_NORMAL) { wmPtr->flags &= ~WM_WITHDRAWN; (void) TkpWmSetState(winPtr, NormalState); } 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; } if (TkpWmSetState(winPtr, IconicState) == 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "couldn't send iconify message to window manager", -1)); Tcl_SetErrorCode(interp, "TK", "WM", "COMMUNICATION", NULL); return TCL_ERROR; } } else { /* OPT_WITHDRAWN */ wmPtr->flags |= WM_WITHDRAWN; if (TkpWmSetState(winPtr, WithdrawnState) == 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "couldn't send withdraw message to window manager", -1)); Tcl_SetErrorCode(interp, "TK", "WM", "COMMUNICATION", NULL); return TCL_ERROR; } } } else { const char *state; if (wmPtr->iconFor != NULL) { state = "icon"; } else if (wmPtr->withdrawn) { state = "withdrawn"; } else if (Tk_IsMapped((Tk_Window) winPtr) || ((wmPtr->flags & WM_NEVER_MAPPED) && (wmPtr->hints.initial_state == NormalState))) { state = "normal"; } else { state = "iconic"; } Tcl_SetObjResult(interp, Tcl_NewStringObj(state, -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; if (objc > 4) { Tcl_WrongNumArgs(interp, 2, objv, "window ?newTitle?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->title) { Tcl_SetObjResult(interp, Tcl_NewStringObj(wmPtr->title, -1)); } else { Tcl_SetObjResult(interp, Tcl_NewStringObj(winPtr->nameUid, -1)); } } else { if (wmPtr->title != NULL) { ckfree(wmPtr->title); } argv3 = Tcl_GetString(objv[3]); wmPtr->title = ckalloc(objv[3]->length + 1); strcpy(wmPtr->title, argv3); if (!(wmPtr->flags & WM_NEVER_MAPPED)) { UpdateTitle(winPtr); } } 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; 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, StructureNotifyMask, WmWaitMapProc, winPtr); /* * FIXME: Need a call like Win32's UpdateWrapper() so we can * recreate the wrapper and get rid of the transient window * decorations. */ } wmPtr->masterPtr = NULL; } else { Tk_Window masterWin; if (TkGetWindowFromObj(interp, tkwin, objv[3], &masterWin)!=TCL_OK) { return TCL_ERROR; } masterPtr = (TkWindow *) masterWin; 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->wrapperPtr == NULL) { CreateWrapper(wmPtr2); } 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, StructureNotifyMask, WmWaitMapProc, winPtr); } masterPtr->wmInfoPtr->numTransients++; Tk_CreateEventHandler((Tk_Window) masterPtr, StructureNotifyMask, WmWaitMapProc, winPtr); wmPtr->masterPtr = masterPtr; } } if (!(wmPtr->flags & WM_NEVER_MAPPED)) { if (wmPtr->masterPtr != NULL && !Tk_IsMapped(wmPtr->masterPtr)) { if (TkpWmSetState(winPtr, WithdrawnState) == 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "couldn't send withdraw message to window manager", -1)); Tcl_SetErrorCode(interp, "TK", "WM", "COMMUNICATION", NULL); return TCL_ERROR; } } else { if (wmPtr->masterPtr != NULL) { XSetTransientForHint(winPtr->display, wmPtr->wrapperPtr->window, wmPtr->masterPtr->wmInfoPtr->wrapperPtr->window); } else { XDeleteProperty(winPtr->display, wmPtr->wrapperPtr->window, Tk_InternAtom((Tk_Window) winPtr,"WM_TRANSIENT_FOR")); } } } 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; } wmPtr->flags |= WM_WITHDRAWN; if (TkpWmSetState(winPtr, WithdrawnState) == 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "couldn't send withdraw message to window manager", -1)); Tcl_SetErrorCode(interp, "TK", "WM", "COMMUNICATION", NULL); return TCL_ERROR; } 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; } } /* * Invoked when a MapNotify or UnmapNotify event is delivered for a toplevel * that is the master of a transient toplevel. */ static void WmWaitMapProc( 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)) { (void) TkpWmSetState(winPtr, NormalState); } } else if (eventPtr->type == UnmapNotify) { (void) TkpWmSetState(winPtr, WithdrawnState); } } /* *---------------------------------------------------------------------- * * 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; if (winPtr == NULL) { /* * The window is being deleted... just skip this operation. */ return; } } 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; wmPtr->flags |= WM_UPDATE_SIZE_HINTS; 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; if (winPtr == NULL) { /* * The window is being deleted... just skip this operation. */ return; } } 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; wmPtr->flags |= WM_UPDATE_SIZE_HINTS; if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * ConfigureEvent -- * * This function is called to handle ConfigureNotify events on wrapper * windows. * * Results: * None. * * Side effects: * Information gets updated in the WmInfo structure for the window and * the toplevel itself gets repositioned within the wrapper. * *---------------------------------------------------------------------- */ static void ConfigureEvent( WmInfo *wmPtr, /* Information about toplevel window. */ XConfigureEvent *configEventPtr) /* Event that just occurred for * wmPtr->wrapperPtr. */ { TkWindow *wrapperPtr = wmPtr->wrapperPtr; TkWindow *winPtr = wmPtr->winPtr; TkDisplay *dispPtr = wmPtr->winPtr->dispPtr; Tk_ErrorHandler handler; /* * 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 (WM_SYNC_PENDING is set), then don't set wmPtr->width or * wmPtr->height if they were previously -1 (otherwise the window will * stop tracking geometry manager requests). */ if (((wrapperPtr->changes.width != configEventPtr->width) || (wrapperPtr->changes.height != configEventPtr->height)) && !(wmPtr->flags & WM_SYNC_PENDING)) { if (dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("TopLevelEventProc: user changed %s size to %dx%d\n", winPtr->pathName, configEventPtr->width, configEventPtr->height); } if ((wmPtr->width == -1) && (configEventPtr->width == winPtr->reqWidth)) { /* * Don't set external width, since the user didn't change it from * what the widgets asked for. */ } else { /* * Note: if this window is embedded then don't set the external * size, since it came from the containing application, not the * user. In this case we want to keep sending our size requests to * the containing application; if the user fixes the size of that * application then it will still percolate down to us in the * right way. */ if (!(winPtr->flags & TK_EMBEDDED)) { if (wmPtr->gridWin != NULL) { wmPtr->width = wmPtr->reqGridWidth + (configEventPtr->width - winPtr->reqWidth)/wmPtr->widthInc; if (wmPtr->width < 0) { wmPtr->width = 0; } } else { wmPtr->width = configEventPtr->width; } } } if ((wmPtr->height == -1) && (configEventPtr->height == (winPtr->reqHeight + wmPtr->menuHeight))) { /* * Don't set external height, since the user didn't change it from * what the widgets asked for. */ } else { /* * See note for wmPtr->width about not setting external size for * embedded windows. */ if (!(winPtr->flags & TK_EMBEDDED)) { if (wmPtr->gridWin != NULL) { wmPtr->height = wmPtr->reqGridHeight + (configEventPtr->height - wmPtr->menuHeight - winPtr->reqHeight)/wmPtr->heightInc; if (wmPtr->height < 0) { wmPtr->height = 0; } } else { wmPtr->height = configEventPtr->height - wmPtr->menuHeight; } } } wmPtr->configWidth = configEventPtr->width; wmPtr->configHeight = configEventPtr->height; } if (dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("ConfigureEvent: %s x = %d y = %d, width = %d, height = %d\n", winPtr->pathName, configEventPtr->x, configEventPtr->y, configEventPtr->width, configEventPtr->height); printf(" send_event = %d, serial = %ld (win %p, wrapper %p)\n", configEventPtr->send_event, configEventPtr->serial, winPtr, wrapperPtr); } wrapperPtr->changes.width = configEventPtr->width; wrapperPtr->changes.height = configEventPtr->height; wrapperPtr->changes.border_width = configEventPtr->border_width; wrapperPtr->changes.sibling = configEventPtr->above; wrapperPtr->changes.stack_mode = Above; /* * Reparenting window managers make life difficult. If the window manager * reparents a top-level window then the x and y information that comes in * events for the window is wrong: it gives the location of the window * inside its decorative parent, rather than the location of the window in * root coordinates, which is what we want. Window managers are supposed * to send synthetic events with the correct information, but ICCCM * doesn't require them to do this under all conditions, and the * information provided doesn't include everything we need here. So, the * code below maintains a bunch of information about the parent window. * If the window hasn't been reparented, we pretend that there is a parent * shrink-wrapped around the window. */ if (dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf(" %s parent == %p, above %p\n", winPtr->pathName, (void *) wmPtr->reparent, (void *) configEventPtr->above); } if ((wmPtr->reparent == None) || !ComputeReparentGeometry(wmPtr)) { wmPtr->parentWidth = configEventPtr->width + 2*configEventPtr->border_width; wmPtr->parentHeight = configEventPtr->height + 2*configEventPtr->border_width; wrapperPtr->changes.x = wmPtr->x = configEventPtr->x; wrapperPtr->changes.y = wmPtr->y = configEventPtr->y; if (wmPtr->flags & WM_NEGATIVE_X) { wmPtr->x = wmPtr->vRootWidth - (wmPtr->x + wmPtr->parentWidth); } if (wmPtr->flags & WM_NEGATIVE_Y) { wmPtr->y = wmPtr->vRootHeight - (wmPtr->y + wmPtr->parentHeight); } } /* * Make sure that the toplevel and menubar are properly positioned within * the wrapper. If the menuHeight happens to be zero, we'll get a BadValue * X error that we want to ignore [Bug: 3377] */ handler = Tk_CreateErrorHandler(winPtr->display, -1, -1, -1, NULL, NULL); XMoveResizeWindow(winPtr->display, winPtr->window, 0, wmPtr->menuHeight, (unsigned) wrapperPtr->changes.width, (unsigned) (wrapperPtr->changes.height - wmPtr->menuHeight)); Tk_DeleteErrorHandler(handler); if ((wmPtr->menubar != NULL) && ((Tk_Width(wmPtr->menubar) != wrapperPtr->changes.width) || (Tk_Height(wmPtr->menubar) != wmPtr->menuHeight))) { Tk_MoveResizeWindow(wmPtr->menubar, 0, 0, wrapperPtr->changes.width, wmPtr->menuHeight); } /* * Update the coordinates in the toplevel (they should refer to the * position in root window coordinates, not the coordinates of the wrapper * window). Then synthesize a ConfigureNotify event to tell the * application about the change. */ winPtr->changes.x = wrapperPtr->changes.x; winPtr->changes.y = wrapperPtr->changes.y + wmPtr->menuHeight; winPtr->changes.width = wrapperPtr->changes.width; winPtr->changes.height = wrapperPtr->changes.height - wmPtr->menuHeight; TkDoConfigureNotify(winPtr); } /* *---------------------------------------------------------------------- * * ReparentEvent -- * * This function is called to handle ReparentNotify events on wrapper * windows. * * Results: * None. * * Side effects: * Information gets updated in the WmInfo structure for the window. * *---------------------------------------------------------------------- */ static void ReparentEvent( WmInfo *wmPtr, /* Information about toplevel window. */ XReparentEvent *reparentEventPtr) /* Event that just occurred for * wmPtr->wrapperPtr. */ { TkWindow *wrapperPtr = wmPtr->wrapperPtr; Window vRoot, ancestor, *children, dummy2, *virtualRootPtr, **vrPtrPtr; Atom actualType; int actualFormat; unsigned long numItems, bytesAfter; unsigned dummy; Tk_ErrorHandler handler; TkDisplay *dispPtr = wmPtr->winPtr->dispPtr; Atom WM_ROOT = Tk_InternAtom((Tk_Window) wrapperPtr, "__WM_ROOT"); Atom SWM_ROOT = Tk_InternAtom((Tk_Window) wrapperPtr, "__SWM_ROOT"); /* * Identify the root window for wrapperPtr. This is tricky because of * virtual root window managers like tvtwm. If the window has a property * named __SWM_ROOT or __WM_ROOT then this property gives the id for a * virtual root window that should be used instead of the root window of * the screen. */ vRoot = RootWindow(wrapperPtr->display, wrapperPtr->screenNum); wmPtr->vRoot = None; handler = Tk_CreateErrorHandler(wrapperPtr->display, -1,-1,-1, NULL,NULL); vrPtrPtr = &virtualRootPtr; /* Silence GCC warning */ if ((GetWindowProperty(wrapperPtr, WM_ROOT, 1, XA_WINDOW, &actualType, &actualFormat, &numItems, &bytesAfter, vrPtrPtr) && (actualType == XA_WINDOW)) || (GetWindowProperty(wrapperPtr, SWM_ROOT, 1, XA_WINDOW, &actualType, &actualFormat, &numItems, &bytesAfter, vrPtrPtr) && (actualType == XA_WINDOW))) { if ((actualFormat == 32) && (numItems == 1)) { vRoot = wmPtr->vRoot = *virtualRootPtr; } else if (dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("%s format %d numItems %ld\n", "ReparentEvent got bogus VROOT property:", actualFormat, numItems); } XFree((char *) virtualRootPtr); } Tk_DeleteErrorHandler(handler); if (dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("ReparentEvent: %s (%p) reparented to 0x%x, vRoot = 0x%x\n", wmPtr->winPtr->pathName, wmPtr->winPtr, (unsigned) reparentEventPtr->parent, (unsigned) vRoot); } /* * Fetch correct geometry information for the new virtual root. */ UpdateVRootGeometry(wmPtr); /* * If the window's new parent is the root window, then mark it as no * longer reparented. */ if (reparentEventPtr->parent == vRoot) { noReparent: wmPtr->reparent = None; wmPtr->parentWidth = wrapperPtr->changes.width; wmPtr->parentHeight = wrapperPtr->changes.height; wmPtr->xInParent = wmPtr->yInParent = 0; wrapperPtr->changes.x = reparentEventPtr->x; wrapperPtr->changes.y = reparentEventPtr->y; wmPtr->winPtr->changes.x = reparentEventPtr->x; wmPtr->winPtr->changes.y = reparentEventPtr->y + wmPtr->menuHeight; return; } /* * Search up the window hierarchy to find the ancestor of this window that * is just below the (virtual) root. This is tricky because it's possible * that things have changed since the event was generated so that the * ancestry indicated by the event no longer exists. If this happens then * an error will occur and we just discard the event (there will be a more * up-to-date ReparentNotify event coming later). */ handler = Tk_CreateErrorHandler(wrapperPtr->display, -1,-1,-1, NULL,NULL); wmPtr->reparent = reparentEventPtr->parent; while (1) { if (XQueryTree(wrapperPtr->display, wmPtr->reparent, &dummy2, &ancestor, &children, &dummy) == 0) { Tk_DeleteErrorHandler(handler); goto noReparent; } XFree((char *) children); if ((ancestor == vRoot) || (ancestor == RootWindow(wrapperPtr->display, wrapperPtr->screenNum))) { break; } wmPtr->reparent = ancestor; } Tk_DeleteErrorHandler(handler); if (!ComputeReparentGeometry(wmPtr)) { goto noReparent; } } /* *---------------------------------------------------------------------- * * ComputeReparentGeometry -- * * This function is invoked to recompute geometry information related to * a reparented top-level window, such as the position and total size of * the parent and the position within it of the top-level window. * * Results: * The return value is 1 if everything completed successfully and 0 if an * error occurred while querying information about winPtr's parents. In * this case winPtr is marked as no longer being reparented. * * Side effects: * Geometry information in wmPtr, wmPtr->winPtr, and wmPtr->wrapperPtr * gets updated. * *---------------------------------------------------------------------- */ static int ComputeReparentGeometry( WmInfo *wmPtr) /* Information about toplevel window whose * reparent info is to be recomputed. */ { TkWindow *wrapperPtr = wmPtr->wrapperPtr; int width, height, bd; unsigned dummy; int xOffset, yOffset, x, y; Window dummy2; Status status; Tk_ErrorHandler handler; TkDisplay *dispPtr = wmPtr->winPtr->dispPtr; handler = Tk_CreateErrorHandler(wrapperPtr->display, -1,-1,-1, NULL,NULL); (void) XTranslateCoordinates(wrapperPtr->display, wrapperPtr->window, wmPtr->reparent, 0, 0, &xOffset, &yOffset, &dummy2); status = XGetGeometry(wrapperPtr->display, wmPtr->reparent, &dummy2, &x, &y, (unsigned *) &width, (unsigned *) &height, (unsigned *) &bd, &dummy); Tk_DeleteErrorHandler(handler); if (status == 0) { /* * It appears that the reparented parent went away and no-one told us. * Reset the window to indicate that it's not reparented. */ wmPtr->reparent = None; wmPtr->xInParent = wmPtr->yInParent = 0; return 0; } wmPtr->xInParent = xOffset + bd; wmPtr->yInParent = yOffset + bd; wmPtr->parentWidth = width + 2*bd; wmPtr->parentHeight = height + 2*bd; /* * Some tricky issues in updating wmPtr->x and wmPtr->y: * * 1. Don't update them if the event occurred because of something we did * (i.e. WM_SYNC_PENDING and WM_MOVE_PENDING are both set). This is * because window managers treat coords differently than Tk, and no two * window managers are alike. If the window manager moved the window * because we told it to, remember the coordinates we told it, not the * ones it actually moved it to. This allows us to move the window back to * the same coordinates later and get the same result. Without this check, * windows can "walk" across the screen under some conditions. * * 2. Don't update wmPtr->x and wmPtr->y unless wrapperPtr->changes.x or * wrapperPtr->changes.y has changed (otherwise a size change can spoof us * into thinking that the position changed too and defeat the intent of * (1) above. * * (As of 9/96 the above 2 comments appear to be stale. They're being left * in place as a reminder of what was once true (and perhaps should still * be true?)). * * 3. Ignore size changes coming from the window system if we're about to * change the size ourselves but haven't seen the event for it yet: our * size change is supposed to take priority. */ if (!(wmPtr->flags & WM_MOVE_PENDING) && ((wrapperPtr->changes.x != (x + wmPtr->xInParent)) || (wrapperPtr->changes.y != (y + wmPtr->yInParent)))) { wmPtr->x = x; if (wmPtr->flags & WM_NEGATIVE_X) { wmPtr->x = wmPtr->vRootWidth - (wmPtr->x + wmPtr->parentWidth); } wmPtr->y = y; if (wmPtr->flags & WM_NEGATIVE_Y) { wmPtr->y = wmPtr->vRootHeight - (wmPtr->y + wmPtr->parentHeight); } } wrapperPtr->changes.x = x + wmPtr->xInParent; wrapperPtr->changes.y = y + wmPtr->yInParent; if (dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("wrapperPtr %p coords %d,%d\n", wrapperPtr, wrapperPtr->changes.x, wrapperPtr->changes.y); printf(" wmPtr %p coords %d,%d, offsets %d %d\n", wmPtr, wmPtr->x, wmPtr->y, wmPtr->xInParent, wmPtr->yInParent); } return 1; } /* *---------------------------------------------------------------------- * * PropertyEvent -- * * Handle PropertyNotify events on wrapper windows. The following * properties are of interest: * * _NET_WM_STATE: * Used to keep wmPtr->attributes up to date. * *---------------------------------------------------------------------- */ static void PropertyEvent( WmInfo *wmPtr, /* Information about toplevel window. */ XPropertyEvent *eventPtr) /* PropertyNotify event structure */ { TkWindow *wrapperPtr = wmPtr->wrapperPtr; Atom _NET_WM_STATE = Tk_InternAtom((Tk_Window) wmPtr->winPtr, "_NET_WM_STATE"); if (eventPtr->atom == _NET_WM_STATE) { Atom actualType; int actualFormat; unsigned long numItems, bytesAfter; unsigned char *propertyValue = 0; long maxLength = 1024; if (GetWindowProperty(wrapperPtr, _NET_WM_STATE, maxLength, XA_ATOM, &actualType, &actualFormat, &numItems, &bytesAfter, &propertyValue)) { CheckNetWmState(wmPtr, (Atom *) propertyValue, (int) numItems); XFree(propertyValue); } } } /* *---------------------------------------------------------------------- * * WrapperEventProc -- * * This function is invoked by the event loop when a wrapper window is * restructured. * * Results: * None. * * Side effects: * Tk's internal data structures for the window get modified to reflect * the structural change. * *---------------------------------------------------------------------- */ static const unsigned WrapperEventMask = (StructureNotifyMask | PropertyChangeMask); static void WrapperEventProc( ClientData clientData, /* Information about toplevel window. */ XEvent *eventPtr) /* Event that just happened. */ { WmInfo *wmPtr = clientData; XEvent mapEvent; TkDisplay *dispPtr = wmPtr->winPtr->dispPtr; wmPtr->flags |= WM_VROOT_OFFSET_STALE; if (eventPtr->type == DestroyNotify) { Tk_ErrorHandler handler; if (!(wmPtr->wrapperPtr->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(wmPtr->winPtr->display, -1, -1, -1, NULL, NULL); Tk_DestroyWindow((Tk_Window) wmPtr->winPtr); Tk_DeleteErrorHandler(handler); } if (dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("TopLevelEventProc: %s deleted\n", wmPtr->winPtr->pathName); } } else if (eventPtr->type == ConfigureNotify) { /* * Ignore the event if the window has never been mapped yet. Such an * event occurs only in weird cases like changing the internal border * width of a top-level window, which results in a synthetic Configure * event. These events are not relevant to us, and if we process them * confusion may result (e.g. we may conclude erroneously that the * user repositioned or resized the window). */ if (!(wmPtr->flags & WM_NEVER_MAPPED)) { ConfigureEvent(wmPtr, &eventPtr->xconfigure); } } else if (eventPtr->type == MapNotify) { wmPtr->wrapperPtr->flags |= TK_MAPPED; wmPtr->winPtr->flags |= TK_MAPPED; XMapWindow(wmPtr->winPtr->display, wmPtr->winPtr->window); goto doMapEvent; } else if (eventPtr->type == UnmapNotify) { wmPtr->wrapperPtr->flags &= ~TK_MAPPED; wmPtr->winPtr->flags &= ~TK_MAPPED; XUnmapWindow(wmPtr->winPtr->display, wmPtr->winPtr->window); goto doMapEvent; } else if (eventPtr->type == ReparentNotify) { ReparentEvent(wmPtr, &eventPtr->xreparent); } else if (eventPtr->type == PropertyNotify) { PropertyEvent(wmPtr, &eventPtr->xproperty); } return; doMapEvent: mapEvent = *eventPtr; mapEvent.xmap.event = wmPtr->winPtr->window; mapEvent.xmap.window = wmPtr->winPtr->window; Tk_HandleEvent(&mapEvent); } /* *---------------------------------------------------------------------- * * 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 = winPtr->wmInfoPtr; if (wmPtr == NULL) { return; } if ((wmPtr->width >= 0) && (wmPtr->height >= 0)) { /* * Explicit dimensions have been set for this window, so we should * ignore the geometry request. It's actually important to ignore the * geometry request because, due to quirks in window managers, * invoking UpdateGeometryInfo may cause the window to move. For * example, if "wm geometry -10-20" was invoked, the window may be * positioned incorrectly the first time it appears (because we didn't * know the proper width of the window manager borders); if we invoke * UpdateGeometryInfo again, the window will be positioned correctly, * which may cause it to jump on the screen. */ return; } wmPtr->flags |= WM_UPDATE_SIZE_HINTS; if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } /* * If the window isn't being positioned by its upper left corner then we * have to move it as well. */ if (wmPtr->flags & (WM_NEGATIVE_X | WM_NEGATIVE_Y)) { wmPtr->flags |= WM_MOVE_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 window * manager has responded to the geometry change. * * Results: * None. * * Side effects: * The size and location of both the toplevel window and its wrapper may * change, unless the WM prevents that from happening. * *---------------------------------------------------------------------- */ static void UpdateGeometryInfo( ClientData clientData) /* Pointer to the window's record. */ { register TkWindow *winPtr = clientData; register WmInfo *wmPtr = winPtr->wmInfoPtr; int x, y, width, height, min, max; unsigned long serial; wmPtr->flags &= ~WM_UPDATE_PENDING; /* * 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 = wmPtr->vRootWidth - wmPtr->x - (width + (wmPtr->parentWidth - winPtr->changes.width)); } else { x = wmPtr->x; } if (wmPtr->flags & WM_NEGATIVE_Y) { y = wmPtr->vRootHeight - wmPtr->y - (height + (wmPtr->parentHeight - winPtr->changes.height)); } else { y = wmPtr->y; } /* * If the window's size is going to change and the window is supposed to * not be resizable by the user, then we have to update the size hints. * There may also be a size-hint-update request pending from somewhere * else, too. */ if (((width != winPtr->changes.width) || (height != winPtr->changes.height)) && (wmPtr->gridWin == NULL) && !(wmPtr->sizeHintsFlags & (PMinSize|PMaxSize))) { wmPtr->flags |= WM_UPDATE_SIZE_HINTS; } if (wmPtr->flags & WM_UPDATE_SIZE_HINTS) { UpdateSizeHints(winPtr, width, height); } /* * Reconfigure the wrapper if it isn't already configured correctly. A few * tricky points: * * 1. If the window is embedded and the container is also in this process, * don't actually reconfigure the window; just pass the desired size on * to the container. Also, zero out any position information, since * embedded windows are not allowed to move. * 2. Sometimes the window manager will give us a different size than we * asked for (e.g. mwm has a minimum size for windows), so base the * size check on what we *asked for* last time, not what we got. * 3. Can't just reconfigure always, because we may not get a * ConfigureNotify event back if nothing changed, so * WaitForConfigureNotify will hang a long time. * 4. Don't move window unless a new position has been requested for it. * This is because of "features" in some window managers (e.g. twm, as * of 4/24/91) where they don't interpret coordinates according to * ICCCM. Moving a window to its current location may cause it to shift * position on the screen. */ if ((winPtr->flags & (TK_EMBEDDED|TK_BOTH_HALVES)) == (TK_EMBEDDED|TK_BOTH_HALVES)) { TkWindow *childPtr = TkpGetOtherWindow(winPtr); /* * This window is embedded and the container is also in this process, * so we don't need to do anything special about the geometry, except * to make sure that the desired size is known by the container. Also, * zero out any position information, since embedded windows are not * allowed to move. */ wmPtr->x = wmPtr->y = 0; wmPtr->flags &= ~(WM_NEGATIVE_X|WM_NEGATIVE_Y); height += wmPtr->menuHeight; if (childPtr != NULL) { Tk_GeometryRequest((Tk_Window) childPtr, width, height); } return; } serial = NextRequest(winPtr->display); height += wmPtr->menuHeight; if (wmPtr->flags & WM_MOVE_PENDING) { if ((x + wmPtr->xInParent == winPtr->changes.x) && (y+wmPtr->yInParent+wmPtr->menuHeight == winPtr->changes.y) && (width == wmPtr->wrapperPtr->changes.width) && (height == wmPtr->wrapperPtr->changes.height)) { /* * The window already has the correct geometry, so don't bother to * configure it; the X server appears to ignore these requests, so * we won't get back a ConfigureNotify and the * WaitForConfigureNotify call below will hang for a while. */ wmPtr->flags &= ~WM_MOVE_PENDING; return; } wmPtr->configWidth = width; wmPtr->configHeight = height; if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("UpdateGeometryInfo moving to %d %d, resizing to %dx%d,\n", x, y, width, height); } XMoveResizeWindow(winPtr->display, wmPtr->wrapperPtr->window, x, y, (unsigned) width, (unsigned) height); } else if ((width != wmPtr->configWidth) || (height != wmPtr->configHeight)) { if ((width == wmPtr->wrapperPtr->changes.width) && (height == wmPtr->wrapperPtr->changes.height)) { /* * The window is already just the size we want, so don't bother to * configure it; the X server appears to ignore these requests, so * we won't get back a ConfigureNotify and the * WaitForConfigureNotify call below will hang for a while. */ return; } wmPtr->configWidth = width; wmPtr->configHeight = height; if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("UpdateGeometryInfo resizing %p to %d x %d\n", (void *) wmPtr->wrapperPtr->window, width, height); } XResizeWindow(winPtr->display, wmPtr->wrapperPtr->window, (unsigned) width, (unsigned) height); } else if ((wmPtr->menubar != NULL) && ((Tk_Width(wmPtr->menubar) != wmPtr->wrapperPtr->changes.width) || (Tk_Height(wmPtr->menubar) != wmPtr->menuHeight))) { /* * It is possible that the window's overall size has not changed but * the menu size has. */ Tk_MoveResizeWindow(wmPtr->menubar, 0, 0, wmPtr->wrapperPtr->changes.width, wmPtr->menuHeight); XResizeWindow(winPtr->display, wmPtr->wrapperPtr->window, (unsigned) width, (unsigned) height); } else { return; } /* * Wait for the configure operation to complete. Don't need to do this, * however, if the window is about to be mapped: it will be taken care of * elsewhere. */ if (!(wmPtr->flags & WM_ABOUT_TO_MAP)) { WaitForConfigureNotify(winPtr, serial); } } /* *-------------------------------------------------------------- * * UpdateSizeHints -- * * This function is called to update the window manager's size hints * information from the information in a WmInfo structure. * * Results: * None. * * Side effects: * Properties get changed for winPtr. * *-------------------------------------------------------------- */ static void UpdateSizeHints( TkWindow *winPtr, int newWidth, int newHeight) { register WmInfo *wmPtr = winPtr->wmInfoPtr; XSizeHints *hintsPtr; int maxWidth, maxHeight; wmPtr->flags &= ~WM_UPDATE_SIZE_HINTS; hintsPtr = XAllocSizeHints(); if (hintsPtr == NULL) { return; } /* * Compute the pixel-based sizes for the various fields in the size hints * structure, based on the grid-based sizes in our structure. */ GetMaxSize(wmPtr, &maxWidth, &maxHeight); if (wmPtr->gridWin != NULL) { hintsPtr->base_width = winPtr->reqWidth - (wmPtr->reqGridWidth * wmPtr->widthInc); if (hintsPtr->base_width < 0) { hintsPtr->base_width = 0; } hintsPtr->base_height = winPtr->reqHeight + wmPtr->menuHeight - (wmPtr->reqGridHeight * wmPtr->heightInc); if (hintsPtr->base_height < 0) { hintsPtr->base_height = 0; } hintsPtr->min_width = hintsPtr->base_width + (wmPtr->minWidth * wmPtr->widthInc); hintsPtr->min_height = hintsPtr->base_height + (wmPtr->minHeight * wmPtr->heightInc); hintsPtr->max_width = hintsPtr->base_width + (maxWidth * wmPtr->widthInc); hintsPtr->max_height = hintsPtr->base_height + (maxHeight * wmPtr->heightInc); } else { hintsPtr->min_width = wmPtr->minWidth; hintsPtr->min_height = wmPtr->minHeight; hintsPtr->max_width = maxWidth; hintsPtr->max_height = maxHeight; hintsPtr->base_width = 0; hintsPtr->base_height = 0; } hintsPtr->width_inc = wmPtr->widthInc; hintsPtr->height_inc = wmPtr->heightInc; hintsPtr->min_aspect.x = wmPtr->minAspect.x; hintsPtr->min_aspect.y = wmPtr->minAspect.y; hintsPtr->max_aspect.x = wmPtr->maxAspect.x; hintsPtr->max_aspect.y = wmPtr->maxAspect.y; hintsPtr->win_gravity = wmPtr->gravity; hintsPtr->flags = wmPtr->sizeHintsFlags | PMinSize; /* * If the window isn't supposed to be resizable, then set the minimum and * maximum dimensions to be the same. */ if (wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) { hintsPtr->max_width = hintsPtr->min_width = newWidth; hintsPtr->flags |= PMaxSize; } if (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE) { hintsPtr->max_height = hintsPtr->min_height = newHeight + wmPtr->menuHeight; hintsPtr->flags |= PMaxSize; } XSetWMNormalHints(winPtr->display, wmPtr->wrapperPtr->window, hintsPtr); XFree((char *) hintsPtr); } /* *-------------------------------------------------------------- * * UpdateTitle -- * * This function is called to update the window title and icon name. It * sets the ICCCM-defined properties WM_NAME and WM_ICON_NAME for older * window managers, and the freedesktop.org-defined _NET_WM_NAME and * _NET_WM_ICON_NAME properties for newer ones. The ICCCM properties are * stored in the system encoding, the newer properties are stored in * UTF-8. * * NOTE: the ICCCM specifies that WM_NAME and WM_ICON_NAME are stored in * ISO-Latin-1. Tk has historically used the default system encoding * (since 8.1). It's not clear whether this is correct or not. * * Side effects: * Properties get changed for winPtr. * *-------------------------------------------------------------- */ static void UpdateTitle( TkWindow *winPtr) { WmInfo *wmPtr = winPtr->wmInfoPtr; Atom XA_UTF8_STRING = Tk_InternAtom((Tk_Window) winPtr, "UTF8_STRING"); const char *string; Tcl_DString ds; /* * Set window title: */ string = (wmPtr->title != NULL) ? wmPtr->title : winPtr->nameUid; Tcl_UtfToExternalDString(NULL, string, -1, &ds); XStoreName(winPtr->display, wmPtr->wrapperPtr->window, Tcl_DStringValue(&ds)); Tcl_DStringFree(&ds); SetWindowProperty(wmPtr->wrapperPtr, "_NET_WM_NAME", XA_UTF8_STRING, 8, string, strlen(string)); /* * Set icon name: */ if (wmPtr->iconName != NULL) { Tcl_UtfToExternalDString(NULL, wmPtr->iconName, -1, &ds); XSetIconName(winPtr->display, wmPtr->wrapperPtr->window, Tcl_DStringValue(&ds)); Tcl_DStringFree(&ds); SetWindowProperty(wmPtr->wrapperPtr, "_NET_WM_ICON_NAME", XA_UTF8_STRING, 8, wmPtr->iconName, strlen(wmPtr->iconName)); } } /* *-------------------------------------------------------------- * * UpdatePhotoIcon -- * * This function is called to update the window photo icon. It sets the * EWMH-defined properties _NET_WM_ICON. * * Side effects: * Properties get changed for winPtr. * *-------------------------------------------------------------- */ static void UpdatePhotoIcon( TkWindow *winPtr) { WmInfo *wmPtr = winPtr->wmInfoPtr; unsigned char *data = wmPtr->iconDataPtr; int size = wmPtr->iconDataSize; if (data == NULL) { data = winPtr->dispPtr->iconDataPtr; size = winPtr->dispPtr->iconDataSize; } if (data != NULL) { SetWindowProperty(wmPtr->wrapperPtr, "_NET_WM_ICON", XA_CARDINAL, 32, data, size); } } /* *---------------------------------------------------------------------- * * SetNetWmState -- * * Sets the specified state property by sending a _NET_WM_STATE * ClientMessage to the root window. * * Preconditions: * Wrapper window must be created. * * See also: * UpdateNetWmState; EWMH spec, section _NET_WM_STATE. * *---------------------------------------------------------------------- */ #define _NET_WM_STATE_REMOVE 0l #define _NET_WM_STATE_ADD 1l #define _NET_WM_STATE_TOGGLE 2l static void SetNetWmState( TkWindow *winPtr, const char *atomName, int on) { Tk_Window tkwin = (Tk_Window) winPtr; Atom messageType = Tk_InternAtom(tkwin, "_NET_WM_STATE"); Atom action = on ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; Atom property = Tk_InternAtom(tkwin, atomName); XEvent e; if (!winPtr->wmInfoPtr->wrapperPtr) { return; } e.xany.type = ClientMessage; e.xany.window = winPtr->wmInfoPtr->wrapperPtr->window; e.xclient.message_type = messageType; e.xclient.format = 32; e.xclient.data.l[0] = action; e.xclient.data.l[1] = property; e.xclient.data.l[2] = e.xclient.data.l[3] = e.xclient.data.l[4] = 0l; XSendEvent(winPtr->display, RootWindow(winPtr->display, winPtr->screenNum), 0, SubstructureNotifyMask|SubstructureRedirectMask, &e); } /* *---------------------------------------------------------------------- * * CheckNetWmState -- * * Updates the window attributes whenever the _NET_WM_STATE property * changes. * * Notes: * * Tk uses a single -zoomed state, while the EWMH spec supports separate * vertical and horizontal maximization. We consider the window to be * "zoomed" if _NET_WM_STATE_MAXIMIZED_VERT and * _NET_WM_STATE_MAXIMIZED_HORZ are both set. * *---------------------------------------------------------------------- */ static void CheckNetWmState( WmInfo *wmPtr, Atom *atoms, int numAtoms) { Tk_Window tkwin = (Tk_Window) wmPtr->wrapperPtr; int i; Atom _NET_WM_STATE_ABOVE = Tk_InternAtom(tkwin, "_NET_WM_STATE_ABOVE"), _NET_WM_STATE_MAXIMIZED_VERT = Tk_InternAtom(tkwin, "_NET_WM_STATE_MAXIMIZED_VERT"), _NET_WM_STATE_MAXIMIZED_HORZ = Tk_InternAtom(tkwin, "_NET_WM_STATE_MAXIMIZED_HORZ"), _NET_WM_STATE_FULLSCREEN = Tk_InternAtom(tkwin, "_NET_WM_STATE_FULLSCREEN"); wmPtr->attributes.topmost = 0; wmPtr->attributes.zoomed = 0; wmPtr->attributes.fullscreen = 0; for (i = 0; i < numAtoms; ++i) { if (atoms[i] == _NET_WM_STATE_ABOVE) { wmPtr->attributes.topmost = 1; } else if (atoms[i] == _NET_WM_STATE_MAXIMIZED_VERT) { wmPtr->attributes.zoomed |= 1; } else if (atoms[i] == _NET_WM_STATE_MAXIMIZED_HORZ) { wmPtr->attributes.zoomed |= 2; } else if (atoms[i] == _NET_WM_STATE_FULLSCREEN) { wmPtr->attributes.fullscreen = 1; } } wmPtr->attributes.zoomed = (wmPtr->attributes.zoomed == 3); return; } /* *---------------------------------------------------------------------- * * UpdateNetWmState -- * * Sets the _NET_WM_STATE property to match the requested attribute state * just prior to mapping a withdrawn window. * *---------------------------------------------------------------------- */ #define NET_WM_STATE_MAX_ATOMS 4 static void UpdateNetWmState( WmInfo *wmPtr) { Tk_Window tkwin = (Tk_Window) wmPtr->wrapperPtr; Atom atoms[NET_WM_STATE_MAX_ATOMS]; long numAtoms = 0; if (wmPtr->reqState.topmost) { atoms[numAtoms++] = Tk_InternAtom(tkwin,"_NET_WM_STATE_ABOVE"); } if (wmPtr->reqState.zoomed) { atoms[numAtoms++] = Tk_InternAtom(tkwin,"_NET_WM_STATE_MAXIMIZED_VERT"); atoms[numAtoms++] = Tk_InternAtom(tkwin,"_NET_WM_STATE_MAXIMIZED_HORZ"); } if (wmPtr->reqState.fullscreen) { atoms[numAtoms++] = Tk_InternAtom(tkwin, "_NET_WM_STATE_FULLSCREEN"); } SetWindowProperty(wmPtr->wrapperPtr, "_NET_WM_STATE", XA_ATOM, 32, atoms, numAtoms); } /* *---------------------------------------------------------------------- * * WaitForConfigureNotify -- * * This function is invoked in order to synchronize with the window * manager. It waits for a ConfigureNotify event to arrive, signalling * that the window manager has seen an attempt on our part to move or * resize a top-level window. * * Results: * None. * * Side effects: * Delays the execution of the process until a ConfigureNotify event * arrives with serial number at least as great as serial. This is useful * for two reasons: * * 1. It's important to distinguish ConfigureNotify events that are * coming in response to a request we've made from those generated * spontaneously by the user. The reason for this is that if the user * resizes the window we take that as an order to ignore geometry * requests coming from inside the window hierarchy. If we * accidentally interpret a response to our request as a user- * initiated action, the window will stop responding to new geometry * requests. To make this distinction, (a) this function sets a flag * for TopLevelEventProc to indicate that we're waiting to sync with * the wm, and (b) all changes to the size of a top-level window are * followed by calls to this function. * 2. Races and confusion can come about if there are multiple operations * outstanding at a time (e.g. two different resizes of the top-level * window: it's hard to tell which of the ConfigureNotify events * coming back is for which request). * While waiting, some events covered by StructureNotifyMask are * processed (ConfigureNotify, MapNotify, and UnmapNotify) and all others * are deferred. * *---------------------------------------------------------------------- */ static void WaitForConfigureNotify( TkWindow *winPtr, /* Top-level window for which we want to see a * ConfigureNotify. */ unsigned long serial) /* Serial number of resize request. Want to be * sure wm has seen this. */ { WmInfo *wmPtr = winPtr->wmInfoPtr; XEvent event; int diff, code; int gotConfig = 0; /* * One more tricky detail about this function. In some cases the window * manager will decide to ignore a configure request (e.g. because it * thinks the window is already in the right place). To avoid hanging in * this situation, only wait for a few seconds, then give up. */ while (!gotConfig) { wmPtr->flags |= WM_SYNC_PENDING; code = WaitForEvent(winPtr->display, wmPtr, ConfigureNotify, &event); wmPtr->flags &= ~WM_SYNC_PENDING; if (code != TCL_OK) { if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("WaitForConfigureNotify giving up on %s\n", winPtr->pathName); } break; } diff = event.xconfigure.serial - serial; if (diff >= 0) { gotConfig = 1; } } wmPtr->flags &= ~WM_MOVE_PENDING; if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("WaitForConfigureNotify finished with %s, serial %ld\n", winPtr->pathName, serial); } } /* *---------------------------------------------------------------------- * * WaitForEvent -- * * This function is used by WaitForConfigureNotify and WaitForMapNotify * to wait for an event of a certain type to arrive. * * Results: * Under normal conditions, TCL_OK is returned and an event for display * and window that matches "mask" is stored in *eventPtr. This event has * already been processed by Tk before this function returns. If a long * time goes by with no event of the right type arriving, or if an error * occurs while waiting for the event to arrive, then TCL_ERROR is * returned. * * Side effects: * While waiting for the desired event to occur, Configurenotify, * MapNotify, and UnmapNotify events for window are processed, as are all * ReparentNotify events. * *---------------------------------------------------------------------- */ static int WaitForEvent( Display *display, /* Display event is coming from. */ WmInfo *wmInfoPtr, /* Window for which event is desired. */ int type, /* Type of event that is wanted. */ XEvent *eventPtr) /* Place to store event. */ { WaitRestrictInfo info; Tk_RestrictProc *prevProc; ClientData prevArg; Tcl_Time timeout; /* * Set up an event filter to select just the events we want, and a timer * handler, then wait for events until we get the event we want or a * timeout happens. */ info.display = display; info.wmInfoPtr = wmInfoPtr; info.type = type; info.eventPtr = eventPtr; info.foundEvent = 0; prevProc = Tk_RestrictEvents(WaitRestrictProc, &info, &prevArg); Tcl_GetTime(&timeout); timeout.sec += 2; while (!info.foundEvent) { if (!TkUnixDoOneXEvent(&timeout)) { break; } } Tk_RestrictEvents(prevProc, prevArg, &prevArg); if (info.foundEvent) { return TCL_OK; } return TCL_ERROR; } /* *---------------------------------------------------------------------- * * WaitRestrictProc -- * * This function is a Tk_RestrictProc that is used to filter events while * WaitForEvent is active. * * Results: * Returns TK_PROCESS_EVENT if the right event is found. Also returns * TK_PROCESS_EVENT if any ReparentNotify event is found or if the event * is a ConfigureNotify, MapNotify, or UnmapNotify for window. Otherwise * returns TK_DEFER_EVENT. * * Side effects: * An event may get stored in the area indicated by the caller of * WaitForEvent. * *---------------------------------------------------------------------- */ static Tk_RestrictAction WaitRestrictProc( ClientData clientData, /* Pointer to WaitRestrictInfo structure. */ XEvent *eventPtr) /* Event that is about to be handled. */ { WaitRestrictInfo *infoPtr = clientData; if (eventPtr->type == ReparentNotify) { return TK_PROCESS_EVENT; } if (((eventPtr->xany.window != infoPtr->wmInfoPtr->wrapperPtr->window) && (eventPtr->xany.window != infoPtr->wmInfoPtr->reparent)) || (eventPtr->xany.display != infoPtr->display)) { return TK_DEFER_EVENT; } if (eventPtr->type == infoPtr->type) { *infoPtr->eventPtr = *eventPtr; infoPtr->foundEvent = 1; return TK_PROCESS_EVENT; } if (eventPtr->type == ConfigureNotify || eventPtr->type == MapNotify || eventPtr->type == UnmapNotify) { return TK_PROCESS_EVENT; } return TK_DEFER_EVENT; } /* *---------------------------------------------------------------------- * * WaitForMapNotify -- * * This function is invoked in order to synchronize with the window * manager. It waits for the window's mapped state to reach the value * given by mapped. * * Results: * None. * * Side effects: * Delays the execution of the process until winPtr becomes mapped or * unmapped, depending on the "mapped" argument. This allows us to * synchronize with the window manager, and allows us to identify changes * in window size that come about when the window manager first starts * managing the window (as opposed to those requested interactively by * the user later). See the comments for WaitForConfigureNotify and * WM_SYNC_PENDING. While waiting, some events covered by * StructureNotifyMask are processed and all others are deferred. * *---------------------------------------------------------------------- */ static void WaitForMapNotify( TkWindow *winPtr, /* Top-level window for which we want to see a * particular mapping state. */ int mapped) /* If non-zero, wait for window to become * mapped, otherwise wait for it to become * unmapped. */ { WmInfo *wmPtr = winPtr->wmInfoPtr; XEvent event; int code; while (1) { if (mapped) { if (winPtr->flags & TK_MAPPED) { break; } } else if (!(winPtr->flags & TK_MAPPED)) { break; } wmPtr->flags |= WM_SYNC_PENDING; code = WaitForEvent(winPtr->display, wmPtr, mapped ? MapNotify : UnmapNotify, &event); wmPtr->flags &= ~WM_SYNC_PENDING; if (code != TCL_OK) { /* * There are some bizarre situations in which the window manager * can't respond or chooses not to (e.g. if we've got a grab set * it can't respond). If this happens then just quit. */ if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("WaitForMapNotify giving up on %s\n", winPtr->pathName); } break; } } wmPtr->flags &= ~WM_MOVE_PENDING; if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("WaitForMapNotify finished with %s (winPtr %p, wmPtr %p)\n", winPtr->pathName, winPtr, wmPtr); } } /* *-------------------------------------------------------------- * * UpdateHints -- * * This function is called to update the window manager's hints * information from the information in a WmInfo structure. * * Results: * None. * * Side effects: * Properties get changed for winPtr. * *-------------------------------------------------------------- */ static void UpdateHints( TkWindow *winPtr) { WmInfo *wmPtr = winPtr->wmInfoPtr; if (wmPtr->flags & WM_NEVER_MAPPED) { return; } XSetWMHints(winPtr->display, wmPtr->wrapperPtr->window, &wmPtr->hints); } /* *---------------------------------------------------------------------- * * SetNetWmType -- * * Set the extended window manager hints for a toplevel window to the * types provided. The specification states that this may be a list of * window types in preferred order. To permit for future type * definitions, the set of names is unconstrained and names are converted * to upper-case and appended to "_NET_WM_WINDOW_TYPE_" before being * converted to an Atom. * *---------------------------------------------------------------------- */ static int SetNetWmType( TkWindow *winPtr, Tcl_Obj *typePtr) { Atom *atoms = NULL; WmInfo *wmPtr; Tcl_Obj **objv; int objc, n; Tk_Window tkwin = (Tk_Window) winPtr; Tcl_Interp *interp = Tk_Interp(tkwin); if (TCL_OK != Tcl_ListObjGetElements(interp, typePtr, &objc, &objv)) { return TCL_ERROR; } if (!Tk_HasWrapper(tkwin)) { return TCL_OK; /* error?? */ } if (objc > 0) { atoms = ckalloc(sizeof(Atom) * objc); } for (n = 0; n < objc; ++n) { Tcl_DString ds, dsName; int len; char *name = Tcl_GetStringFromObj(objv[n], &len); Tcl_UtfToUpper(name); Tcl_UtfToExternalDString(NULL, name, len, &dsName); Tcl_DStringInit(&ds); Tcl_DStringAppend(&ds, "_NET_WM_WINDOW_TYPE_", 20); Tcl_DStringAppend(&ds, Tcl_DStringValue(&dsName), Tcl_DStringLength(&dsName)); Tcl_DStringFree(&dsName); atoms[n] = Tk_InternAtom(tkwin, Tcl_DStringValue(&ds)); Tcl_DStringFree(&ds); } wmPtr = winPtr->wmInfoPtr; if (wmPtr->wrapperPtr == NULL) { CreateWrapper(wmPtr); } SetWindowProperty(wmPtr->wrapperPtr, "_NET_WM_WINDOW_TYPE", XA_ATOM, 32, atoms, objc); ckfree(atoms); return TCL_OK; } /* *---------------------------------------------------------------------- * * GetNetWmType -- * * Read the extended window manager type hint from a window and return as * a list of names suitable for use with SetNetWmType. * *---------------------------------------------------------------------- */ static Tcl_Obj * GetNetWmType( TkWindow *winPtr) { Atom typeAtom, actualType, *atoms; int actualFormat; unsigned long n, count, bytesAfter; unsigned char *propertyValue = NULL; long maxLength = 1024; Tk_Window tkwin = (Tk_Window) winPtr; TkWindow *wrapperPtr; Tcl_Obj *typePtr; Tcl_Interp *interp; Tcl_DString ds; interp = Tk_Interp(tkwin); typePtr = Tcl_NewListObj(0, NULL); if (winPtr->wmInfoPtr->wrapperPtr == NULL) { CreateWrapper(winPtr->wmInfoPtr); } wrapperPtr = winPtr->wmInfoPtr->wrapperPtr; typeAtom = Tk_InternAtom(tkwin, "_NET_WM_WINDOW_TYPE"); if (GetWindowProperty(wrapperPtr, typeAtom, maxLength, XA_ATOM, &actualType, &actualFormat, &count, &bytesAfter, &propertyValue)){ atoms = (Atom *) propertyValue; for (n = 0; n < count; ++n) { const char *name = Tk_GetAtomName(tkwin, atoms[n]); if (strncmp("_NET_WM_WINDOW_TYPE_", name, 20) == 0) { Tcl_ExternalToUtfDString(NULL, name+20, -1, &ds); Tcl_UtfToLower(Tcl_DStringValue(&ds)); Tcl_ListObjAppendElement(interp, typePtr, Tcl_NewStringObj(Tcl_DStringValue(&ds), Tcl_DStringLength(&ds))); Tcl_DStringFree(&ds); } } XFree(propertyValue); } return typePtr; } /* *-------------------------------------------------------------- * * 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; flags |= WM_UPDATE_SIZE_HINTS; } } /* * 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. If a virtual root window is * in effect for the window, then the coordinates in the virtual root are * returned. * * 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). */ { int x, y; register TkWindow *winPtr = (TkWindow *) tkwin; /* * Search back through this window's parents all the way to a top-level * window, combining the offsets of each window within its parent. */ x = y = 0; while (1) { x += winPtr->changes.x + winPtr->changes.border_width; y += winPtr->changes.y + winPtr->changes.border_width; if ((winPtr->wmInfoPtr != NULL) && (winPtr->wmInfoPtr->menubar == (Tk_Window) winPtr)) { /* * This window is a special menubar; switch over to its associated * toplevel, compensate for their differences in y coordinates, * then continue with the toplevel (in case it's embedded). */ y -= winPtr->wmInfoPtr->menuHeight; winPtr = winPtr->wmInfoPtr->winPtr; continue; } if (winPtr->flags & TK_TOP_LEVEL) { TkWindow *otherPtr; if (!(winPtr->flags & TK_EMBEDDED)) { break; } otherPtr = TkpGetOtherWindow(winPtr); if (otherPtr == NULL) { /* * The container window is not in the same application. Query * the X server. */ Window root, dummyChild; int rootX, rootY; root = winPtr->wmInfoPtr->vRoot; if (root == None) { root = RootWindowOfScreen(Tk_Screen((Tk_Window) winPtr)); } XTranslateCoordinates(winPtr->display, winPtr->window, root, 0, 0, &rootX, &rootY, &dummyChild); x += rootX; y += rootY; break; } else { /* * The container window is in the same application. Let's * query its coordinates. */ winPtr = otherPtr; continue; } } winPtr = winPtr->parentPtr; if (winPtr == NULL) { break; } } *xPtr = x; *yPtr = y; } /* *---------------------------------------------------------------------- * * 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. */ { Window window, parent, child; int x, y, childX, childY, tmpx, tmpy, bd; WmInfo *wmPtr; TkWindow *winPtr, *childPtr, *nextPtr; TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr; Tk_ErrorHandler handler = NULL; /* * Step 1: scan the list of toplevel windows to see if there is a virtual * root for the screen we're interested in. If so, we have to translate * the coordinates from virtual root to root coordinates. */ parent = window = RootWindowOfScreen(Tk_Screen(tkwin)); x = rootX; y = rootY; for (wmPtr = (WmInfo *) dispPtr->firstWmPtr; wmPtr != NULL; wmPtr = wmPtr->nextPtr) { if (Tk_Screen(wmPtr->winPtr) != Tk_Screen(tkwin)) { continue; } if (wmPtr->vRoot == None) { continue; } UpdateVRootGeometry(wmPtr); parent = wmPtr->vRoot; break; } /* * Step 2: work down through the window hierarchy starting at the root. * For each window, find the child that contains the given point and then * see if this child is either a wrapper for one of our toplevel windows * or a window manager decoration window for one of our toplevels. This * approach handles several tricky cases: * * 1. There may be a virtual root window between the root and one of our * toplevels. * 2. If a toplevel is embedded, we may have to search through the * windows of the container application(s) before getting to the * toplevel. */ handler = Tk_CreateErrorHandler(Tk_Display(tkwin), -1, -1, -1, NULL, NULL); while (1) { if (XTranslateCoordinates(Tk_Display(tkwin), parent, window, x, y, &childX, &childY, &child) == False) { /* * We can end up here when the window is in the middle of being * deleted */ Tk_DeleteErrorHandler(handler); return NULL; } if (child == None) { Tk_DeleteErrorHandler(handler); return NULL; } for (wmPtr = (WmInfo *) dispPtr->firstWmPtr; wmPtr != NULL; wmPtr = wmPtr->nextPtr) { if (wmPtr->reparent == child) { goto gotToplevel; } if (wmPtr->wrapperPtr != NULL) { if (child == wmPtr->wrapperPtr->window) { goto gotToplevel; } } else if (child == wmPtr->winPtr->window) { goto gotToplevel; } } x = childX; y = childY; parent = window; window = child; } gotToplevel: if (handler) { /* * Check value of handler, because we can reach this label from above * or below */ Tk_DeleteErrorHandler(handler); handler = NULL; } winPtr = wmPtr->winPtr; if (winPtr->mainPtr != ((TkWindow *) tkwin)->mainPtr) { return NULL; } /* * Step 3: at this point winPtr and wmPtr refer to the toplevel that * contains the given coordinates, and childX and childY give the * translated coordinates in the *parent* of the toplevel. Now decide * whether the coordinates are in the menubar or the actual toplevel, and * translate the coordinates into the coordinate system of that window. */ x = childX - winPtr->changes.x; y = childY - winPtr->changes.y; if ((x < 0) || (x >= winPtr->changes.width) || (y >= winPtr->changes.height)) { return NULL; } if (y < 0) { winPtr = (TkWindow *) wmPtr->menubar; if (winPtr == NULL) { return NULL; } y += wmPtr->menuHeight; if (y < 0) { return NULL; } } /* * Step 4: work down through the hierarchy underneath the current window. * At each level, scan through all the children to find the highest one in * the stacking order that contains the point. Then repeat the whole * process on that child. */ while (1) { nextPtr = NULL; for (childPtr = winPtr->childList; childPtr != NULL; childPtr = childPtr->nextPtr) { if (!Tk_IsMapped(childPtr) || (childPtr->flags & TK_TOP_HIERARCHY)) { continue; } if (childPtr->flags & TK_REPARENTED) { continue; } tmpx = x - childPtr->changes.x; tmpy = y - childPtr->changes.y; bd = childPtr->changes.border_width; if ((tmpx >= -bd) && (tmpy >= -bd) && (tmpx < (childPtr->changes.width + bd)) && (tmpy < (childPtr->changes.height + bd))) { nextPtr = childPtr; } } if (nextPtr == NULL) { break; } winPtr = nextPtr; x -= winPtr->changes.x; y -= winPtr->changes.y; if ((winPtr->flags & TK_CONTAINER) && (winPtr->flags & TK_BOTH_HALVES)) { /* * The window containing the point is a container, and the * embedded application is in this same process. Switch over to * the toplevel for the embedded application and start processing * that toplevel from scratch. */ winPtr = TkpGetOtherWindow(winPtr); if (winPtr == NULL) { return NULL; } wmPtr = winPtr->wmInfoPtr; childX = x; childY = y; goto gotToplevel; } } return (Tk_Window) winPtr; } /* *---------------------------------------------------------------------- * * UpdateVRootGeometry -- * * This function is called to update all the virtual root geometry * information in wmPtr. * * Results: * None. * * Side effects: * The vRootX, vRootY, vRootWidth, and vRootHeight fields in wmPtr are * filled with the most up-to-date information. * *---------------------------------------------------------------------- */ static void UpdateVRootGeometry( WmInfo *wmPtr) /* Window manager information to be updated. * The wmPtr->vRoot field must be valid. */ { TkWindow *winPtr = wmPtr->winPtr; int bd; unsigned dummy; Window dummy2; Status status; Tk_ErrorHandler handler; /* * If this isn't a virtual-root window manager, just return information * about the screen. */ wmPtr->flags &= ~WM_VROOT_OFFSET_STALE; if (wmPtr->vRoot == None) { noVRoot: wmPtr->vRootX = wmPtr->vRootY = 0; wmPtr->vRootWidth = DisplayWidth(winPtr->display, winPtr->screenNum); wmPtr->vRootHeight = DisplayHeight(winPtr->display, winPtr->screenNum); return; } /* * Refresh the virtual root information if it's out of date. */ handler = Tk_CreateErrorHandler(winPtr->display, -1, -1, -1, NULL, NULL); status = XGetGeometry(winPtr->display, wmPtr->vRoot, &dummy2, &wmPtr->vRootX, &wmPtr->vRootY, (unsigned *) &wmPtr->vRootWidth, (unsigned *) &wmPtr->vRootHeight, (unsigned *) &bd, &dummy); if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) { printf("UpdateVRootGeometry: x = %d, y = %d, width = %d, ", wmPtr->vRootX, wmPtr->vRootY, wmPtr->vRootWidth); printf("height = %d, status = %d\n", wmPtr->vRootHeight, status); } Tk_DeleteErrorHandler(handler); if (status == 0) { /* * The virtual root is gone! Pretend that it never existed. */ wmPtr->vRoot = None; goto noVRoot; } } /* *---------------------------------------------------------------------- * * 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. */ { WmInfo *wmPtr; TkWindow *winPtr = (TkWindow *) tkwin; /* * Find the top-level window for tkwin, and locate the window manager * information for that window. */ while (!(winPtr->flags & TK_TOP_HIERARCHY) && (winPtr->parentPtr != NULL)) { winPtr = winPtr->parentPtr; } wmPtr = winPtr->wmInfoPtr; if (wmPtr == NULL) { /* Punt. */ *xPtr = 0; *yPtr = 0; *widthPtr = 0; *heightPtr = 0; } /* * Make sure that the geometry information is up-to-date, then copy it out * to the caller. */ if (wmPtr->flags & WM_VROOT_OFFSET_STALE) { UpdateVRootGeometry(wmPtr); } *xPtr = wmPtr->vRootX; *yPtr = wmPtr->vRootY; *widthPtr = wmPtr->vRootWidth; *heightPtr = wmPtr->vRootHeight; } /* *---------------------------------------------------------------------- * * 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; wmPtr->flags |= WM_UPDATE_SIZE_HINTS; } /* * 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); } } /* *---------------------------------------------------------------------- * * UpdateWmProtocols -- * * This function transfers the most up-to-date information about window * manager protocols from the WmInfo structure to the actual property on * the top-level window. * * Results: * None. * * Side effects: * The WM_PROTOCOLS property gets changed for wmPtr's window. * *---------------------------------------------------------------------- */ static void UpdateWmProtocols( register WmInfo *wmPtr) /* Information about top-level window. */ { register ProtocolHandler *protPtr; Atom deleteWindowAtom, pingAtom; int count; Atom *arrayPtr, *atomPtr; /* * There are only two tricky parts here. First, there could be any number * of atoms for the window, so count them and malloc an array to hold all * of their atoms. Second, we *always* want to respond to the * WM_DELETE_WINDOW and _NET_WM_PING protocols, even if no-one's * officially asked. */ for (protPtr = wmPtr->protPtr, count = 2; protPtr != NULL; protPtr = protPtr->nextPtr, count++) { /* Empty loop body; we're just counting the handlers. */ } arrayPtr = ckalloc(count * sizeof(Atom)); deleteWindowAtom = Tk_InternAtom((Tk_Window) wmPtr->winPtr, "WM_DELETE_WINDOW"); pingAtom = Tk_InternAtom((Tk_Window) wmPtr->winPtr, "_NET_WM_PING"); arrayPtr[0] = deleteWindowAtom; arrayPtr[1] = pingAtom; for (protPtr = wmPtr->protPtr, atomPtr = &arrayPtr[1]; protPtr != NULL; protPtr = protPtr->nextPtr) { if (protPtr->protocol != deleteWindowAtom && protPtr->protocol != pingAtom) { *(atomPtr++) = protPtr->protocol; } } SetWindowProperty(wmPtr->wrapperPtr, "WM_PROTOCOLS", XA_ATOM, 32, arrayPtr, atomPtr-arrayPtr); ckfree(arrayPtr); } /* *---------------------------------------------------------------------- * * 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; const char *protocolName; Tcl_Interp *interp; protocol = (Atom) eventPtr->xclient.data.l[0]; /* * If this is a _NET_WM_PING message, send it back to the root window * immediately. We do that here because scripts *cannot* respond correctly * to this protocol. */ if (protocol == Tk_InternAtom((Tk_Window) winPtr, "_NET_WM_PING")) { Window root = XRootWindow(winPtr->display, winPtr->screenNum); eventPtr->xclient.window = root; (void) XSendEvent(winPtr->display, root, False, (SubstructureNotifyMask|SubstructureRedirectMask), eventPtr); return; } wmPtr = winPtr->wmInfoPtr; if (wmPtr == NULL) { return; } /* * Note: it's very important to retrieve the protocol name now, before * invoking the command, even though the name won't be used until after * the command returns. This is because the command could delete winPtr, * making it impossible for us to use it later in the call to * Tk_GetAtomName. */ protocolName = Tk_GetAtomName((Tk_Window) winPtr, protocol); for (protPtr = wmPtr->protPtr; protPtr != NULL; protPtr = protPtr->nextPtr) { if (protocol == protPtr->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)", protocolName)); 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) wmPtr->winPtr); } } /* *---------------------------------------------------------------------- * * TkWmStackorderToplevelWrapperMap -- * * This function will create a table that maps the reparent wrapper X id * for a toplevel to the TkWindow structure that is wraps. Tk keeps track * of a mapping from the window X id to the TkWindow structure but that * does us no good here since we only get the X id of the wrapper window. * Only those toplevel windows that are mapped have a position in the * stacking order. * * 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) /* Maps X id to TkWindow */ { TkWindow *childPtr; if (Tk_IsMapped(winPtr) && Tk_IsTopLevel(winPtr) && !Tk_IsEmbedded(winPtr) && (winPtr->display == display)) { Window wrapper = (winPtr->wmInfoPtr->reparent != None) ? winPtr->wmInfoPtr->reparent : winPtr->wmInfoPtr->wrapperPtr->window; Tcl_HashEntry *hPtr; int newEntry; 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. */ { Window dummy1, dummy2, vRoot; Window *children; unsigned numChildren, i; TkWindow *childWinPtr, **windows, **window_ptr; Tcl_HashTable table; Tcl_HashEntry *hPtr; Tcl_HashSearch search; /* * Map X Window ids to a TkWindow of the wrapped toplevel. */ Tcl_InitHashTable(&table, TCL_ONE_WORD_KEYS); TkWmStackorderToplevelWrapperMap(parentPtr, parentPtr->display, &table); window_ptr = windows = ckalloc((table.numEntries+1) * sizeof(TkWindow *)); /* * Special cases: If zero or one toplevels were mapped there is no need to * call XQueryTree. */ 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; } vRoot = parentPtr->wmInfoPtr->vRoot; if (vRoot == None) { vRoot = RootWindowOfScreen(Tk_Screen((Tk_Window) parentPtr)); } if (XQueryTree(parentPtr->display, vRoot, &dummy1, &dummy2, &children, &numChildren) == 0) { ckfree(windows); windows = NULL; } else { for (i = 0; i < numChildren; i++) { hPtr = Tcl_FindHashEntry(&table, (char *) children[i]); if (hPtr != NULL) { childWinPtr = Tcl_GetHashValue(hPtr); *window_ptr++ = childWinPtr; } } /* * ASSERT: window_ptr - windows == table.numEntries * (#matched toplevel windows == #children) [Bug 1789819] */ *window_ptr = NULL; if (numChildren) { XFree((char *) 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. * *---------------------------------------------------------------------- */ 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. */ { XWindowChanges changes; unsigned mask; TkWindow *wrapperPtr; memset(&changes, 0, sizeof(XWindowChanges)); changes.stack_mode = aboveBelow; mask = CWStackMode; /* * Make sure that winPtr and its wrapper window have been created. */ if (winPtr->wmInfoPtr->flags & WM_NEVER_MAPPED) { TkWmMapWindow(winPtr); } wrapperPtr = winPtr->wmInfoPtr->wrapperPtr; if (otherPtr != NULL) { /* * The window is to be restacked with respect to another toplevel. * Make sure it has been created as well. */ if (otherPtr->wmInfoPtr->flags & WM_NEVER_MAPPED) { TkWmMapWindow(otherPtr); } changes.sibling = otherPtr->wmInfoPtr->wrapperPtr->window; mask |= CWSibling; } /* * Reconfigure the window. Note that we use XReconfigureWMWindow instead * of XConfigureWindow, in order to handle the case where the window is to * be restacked with respect to another toplevel. See [ICCCM] 4.1.5 * "Configuring the Window" and XReconfigureWMWindow(3) for details. */ XReconfigureWMWindow(winPtr->display, wrapperPtr->window, Tk_ScreenNumber((Tk_Window) winPtr), mask, &changes); } /* *---------------------------------------------------------------------- * * 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 *wrapperPtr; TkWindow *topPtr; Window *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; } if (topPtr->wmInfoPtr->wrapperPtr == NULL) { CreateWrapper(topPtr->wmInfoPtr); } wrapperPtr = topPtr->wmInfoPtr->wrapperPtr; /* * Fetch the old value of the property. */ if (XGetWMColormapWindows(topPtr->display, wrapperPtr->window, &oldPtr, &count) == 0) { oldPtr = NULL; count = 0; } /* * Make sure that the window isn't already in the list. */ for (i = 0; i < count; i++) { if (oldPtr[i] == winPtr->window) { 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(Window)); for (i = 0; i < count; i++) { newPtr[i] = oldPtr[i]; } if (count == 0) { count++; } newPtr[count-1] = winPtr->window; newPtr[count] = topPtr->window; XSetWMColormapWindows(topPtr->display, wrapperPtr->window, newPtr, count+1); ckfree(newPtr); if (oldPtr != NULL) { XFree((char *) oldPtr); } } /* *---------------------------------------------------------------------- * * 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 *wrapperPtr; TkWindow *topPtr; Window *oldPtr; int count, i, j; if (winPtr->window == None) { return; } 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_HIERARCHY) { 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; } if (topPtr->wmInfoPtr->wrapperPtr == NULL) { CreateWrapper(topPtr->wmInfoPtr); } wrapperPtr = topPtr->wmInfoPtr->wrapperPtr; if (wrapperPtr == NULL) { return; } /* * Fetch the old value of the property. */ if (XGetWMColormapWindows(topPtr->display, wrapperPtr->window, &oldPtr, &count) == 0) { return; } /* * Find the window and slide the following ones down to cover it up. */ for (i = 0; i < count; i++) { if (oldPtr[i] == winPtr->window) { for (j = i ; j < count-1; j++) { oldPtr[j] = oldPtr[j+1]; } XSetWMColormapWindows(topPtr->display, wrapperPtr->window, oldPtr, count-1); break; } } XFree((char *) oldPtr); } /* *---------------------------------------------------------------------- * * TkGetPointerCoords -- * * Fetch the position of the mouse pointer. * * Results: * *xPtr and *yPtr are filled in with the (virtual) root coordinates of * the mouse pointer for tkwin's display. If the pointer isn't on tkwin's * screen, then -1 values are returned for both coordinates. The argument * tkwin must be a toplevel window. * * Side effects: * None. * *---------------------------------------------------------------------- */ void TkGetPointerCoords( Tk_Window tkwin, /* Toplevel window that identifies screen on * which lookup is to be done. */ int *xPtr, int *yPtr) /* Store pointer coordinates here. */ { TkWindow *winPtr = (TkWindow *) tkwin; WmInfo *wmPtr; Window w, root, child; int rootX, rootY; unsigned mask; wmPtr = winPtr->wmInfoPtr; w = wmPtr->vRoot; if (w == None) { w = RootWindow(winPtr->display, winPtr->screenNum); } if (XQueryPointer(winPtr->display, w, &root, &child, &rootX, &rootY, xPtr, yPtr, &mask) != True) { *xPtr = -1; *yPtr = -1; } } /* *---------------------------------------------------------------------- * * 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 = DisplayWidth(wmPtr->winPtr->display, wmPtr->winPtr->screenNum) - 15; 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 = DisplayHeight(wmPtr->winPtr->display, wmPtr->winPtr->screenNum) - 30; if (wmPtr->gridWin != NULL) { tmp = wmPtr->reqGridHeight + (tmp - wmPtr->winPtr->reqHeight)/wmPtr->heightInc; } *maxHeightPtr = tmp; } } /* *---------------------------------------------------------------------- * * TkSetTransientFor -- * * Set a Tk window to be transient with reference to a specified * parent or the toplevel ancestor if None is passed as parent. * *---------------------------------------------------------------------- */ static void TkSetTransientFor(Tk_Window tkwin, Tk_Window parent) { if (parent == None) { parent = Tk_Parent(tkwin); while (!Tk_IsTopLevel(parent)) parent = Tk_Parent(parent); } /* * Prevent crash due to incomplete initialization, or other problems. * [Bugs 3554026, 3561016] */ if (((TkWindow *)parent)->wmInfoPtr->wrapperPtr == NULL) { CreateWrapper(((TkWindow *)parent)->wmInfoPtr); } XSetTransientForHint(Tk_Display(tkwin), ((TkWindow *)tkwin)->wmInfoPtr->wrapperPtr->window, ((TkWindow *)parent)->wmInfoPtr->wrapperPtr->window); } /* *---------------------------------------------------------------------- * * TkpMakeMenuWindow -- * * Configure the window to be either a pull-down menu, a 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 Mac toplevel. * *---------------------------------------------------------------------- */ void TkpMakeMenuWindow( Tk_Window tkwin, /* New window. */ int typeFlag) /* TK_MAKE_MENU_DROPDOWN means menu is only * posted briefly as a pulldown or cascade, * TK_MAKE_MENU_POPUP means it is a popup. * TK_MAKE_MENU_TEAROFF means menu is always * visible, e.g. as a torn-off menu. * Determines whether save_under and * override_redirect should be set, plus how * to flag it for the window manager. */ { WmInfo *wmPtr; XSetWindowAttributes atts; TkWindow *wrapperPtr; Tcl_Obj *typeObj; if (!Tk_HasWrapper(tkwin)) { return; } wmPtr = ((TkWindow *) tkwin)->wmInfoPtr; if (wmPtr->wrapperPtr == NULL) { CreateWrapper(wmPtr); } wrapperPtr = wmPtr->wrapperPtr; if (typeFlag == TK_MAKE_MENU_TEAROFF) { atts.override_redirect = False; atts.save_under = False; typeObj = Tcl_NewStringObj("menu", -1); TkSetTransientFor(tkwin, NULL); } else { atts.override_redirect = True; atts.save_under = True; if (typeFlag == TK_MAKE_MENU_DROPDOWN) { typeObj = Tcl_NewStringObj("dropdown_menu", -1); } else { typeObj = Tcl_NewStringObj("popup_menu", -1); } } SetNetWmType((TkWindow *)tkwin, typeObj); /* * The override-redirect and save-under bits must be set on the wrapper * window in order to have the desired effect. However, also set the * override-redirect bit on the window itself, so that the "wm * overrideredirect" command will see it. */ if ((atts.override_redirect!=Tk_Attributes(wrapperPtr)->override_redirect) || (atts.save_under != Tk_Attributes(wrapperPtr)->save_under)) { Tk_ChangeWindowAttributes((Tk_Window) wrapperPtr, CWOverrideRedirect|CWSaveUnder, &atts); } if (atts.override_redirect != Tk_Attributes(tkwin)->override_redirect) { Tk_ChangeWindowAttributes(tkwin, CWOverrideRedirect, &atts); } } /* *---------------------------------------------------------------------- * * CreateWrapper -- * * This function is invoked to create the wrapper window for a toplevel * window. It is called just before a toplevel is mapped for the first * time. * * Results: * None. * * Side effects: * The wrapper is created and the toplevel is reparented inside it. * *---------------------------------------------------------------------- */ static void CreateWrapper( WmInfo *wmPtr) /* Window manager information for the * window. */ { TkWindow *winPtr, *wrapperPtr; Window parent; Tcl_HashEntry *hPtr; int new; winPtr = wmPtr->winPtr; if (winPtr->window == None) { Tk_MakeWindowExist((Tk_Window) winPtr); } /* * The code below is copied from CreateTopLevelWindow, Tk_MakeWindowExist, * and TkpMakeWindow. The idea is to create an "official" Tk window (so * that we can get events on it), but to hide the window outside the * official Tk hierarchy so that it isn't visible to the application. See * the comments for the other functions if you have questions about this * code. */ wmPtr->wrapperPtr = wrapperPtr = TkAllocWindow(winPtr->dispPtr, Tk_ScreenNumber((Tk_Window) winPtr), winPtr); wrapperPtr->dirtyAtts |= CWBorderPixel; /* * Tk doesn't normally select for StructureNotifyMask events because the * events are synthesized internally. However, for wrapper windows we need * to know when the window manager modifies the window configuration. We * also need to select on focus change events; these are the only windows * for which we care about focus changes. */ wrapperPtr->flags |= TK_WRAPPER; wrapperPtr->atts.event_mask |= StructureNotifyMask|FocusChangeMask; wrapperPtr->atts.override_redirect = winPtr->atts.override_redirect; if (winPtr->flags & TK_EMBEDDED) { parent = TkUnixContainerId(winPtr); } else { parent = XRootWindow(wrapperPtr->display, wrapperPtr->screenNum); } wrapperPtr->window = XCreateWindow(wrapperPtr->display, parent, wrapperPtr->changes.x, wrapperPtr->changes.y, (unsigned) wrapperPtr->changes.width, (unsigned) wrapperPtr->changes.height, (unsigned) wrapperPtr->changes.border_width, wrapperPtr->depth, InputOutput, wrapperPtr->visual, wrapperPtr->dirtyAtts|CWOverrideRedirect, &wrapperPtr->atts); hPtr = Tcl_CreateHashEntry(&wrapperPtr->dispPtr->winTable, (char *) wrapperPtr->window, &new); Tcl_SetHashValue(hPtr, wrapperPtr); wrapperPtr->mainPtr = winPtr->mainPtr; wrapperPtr->mainPtr->refCount++; wrapperPtr->dirtyAtts = 0; wrapperPtr->dirtyChanges = 0; wrapperPtr->wmInfoPtr = wmPtr; /* * Reparent the toplevel window inside the wrapper. */ XReparentWindow(wrapperPtr->display, winPtr->window, wrapperPtr->window, 0, 0); /* * Tk must monitor structure events for wrapper windows in order to detect * changes made by window managers such as resizing, mapping, unmapping, * etc.. */ Tk_CreateEventHandler((Tk_Window) wmPtr->wrapperPtr, WrapperEventMask, WrapperEventProc, wmPtr); } /* *---------------------------------------------------------------------- * * TkWmFocusToplevel -- * * This is a utility function invoked by focus-management code. The focus * code responds to externally generated focus-related events on wrapper * windows but ignores those events for any other windows. This function * determines whether a given window is a wrapper window and, if so, * returns the toplevel window corresponding to the wrapper. * * Results: * If winPtr is a wrapper window, returns a pointer to the corresponding * toplevel window; otherwise returns NULL. * * Side effects: * None. * *---------------------------------------------------------------------- */ TkWindow * TkWmFocusToplevel( TkWindow *winPtr) /* Window that received a focus-related * event. */ { if (!(winPtr->flags & TK_WRAPPER)) { return NULL; } return winPtr->wmInfoPtr->winPtr; } /* *---------------------------------------------------------------------- * * TkUnixSetMenubar -- * * This function is invoked by menu management code to specify the window * to use as a menubar for a given toplevel window. * * Results: * None. * * Side effects: * The window given by menubar will be mapped and positioned inside the * wrapper for tkwin and above tkwin. Menubar will automatically be * resized to maintain the height specified by TkUnixSetMenuHeight the * same width as tkwin. Any previous menubar specified for tkwin will be * unmapped and ignored from now on. * *---------------------------------------------------------------------- */ void TkUnixSetMenubar( Tk_Window tkwin, /* Token for toplevel window. */ Tk_Window menubar) /* Token for window that is to serve as * menubar for tkwin. Must not be a toplevel * window. If NULL, any existing menubar is * canceled and the menu height is reset to * 0. */ { WmInfo *wmPtr = ((TkWindow *) tkwin)->wmInfoPtr; Tk_Window parent; TkWindow *menubarPtr = (TkWindow *) menubar; /* * Could be a Frame (i.e. not a toplevel). */ if (wmPtr == NULL) { return; } if (wmPtr->menubar != NULL) { /* * There's already a menubar for this toplevel. If it isn't the same * as the new menubar, unmap it so that it is out of the way, and * reparent it back to its original parent. */ if (wmPtr->menubar == menubar) { return; } ((TkWindow *) wmPtr->menubar)->wmInfoPtr = NULL; ((TkWindow *) wmPtr->menubar)->flags &= ~TK_REPARENTED; Tk_UnmapWindow(wmPtr->menubar); parent = Tk_Parent(wmPtr->menubar); if (parent != NULL) { Tk_MakeWindowExist(parent); XReparentWindow(Tk_Display(wmPtr->menubar), Tk_WindowId(wmPtr->menubar), Tk_WindowId(parent), 0, 0); } Tk_DeleteEventHandler(wmPtr->menubar, StructureNotifyMask, MenubarDestroyProc, wmPtr->menubar); Tk_ManageGeometry(wmPtr->menubar, NULL, NULL); } wmPtr->menubar = menubar; if (menubar == NULL) { wmPtr->menuHeight = 0; } else { if ((menubarPtr->flags & TK_TOP_LEVEL) || (Tk_Screen(menubar) != Tk_Screen(tkwin))) { Tcl_Panic("TkUnixSetMenubar got bad menubar"); } wmPtr->menuHeight = Tk_ReqHeight(menubar); if (wmPtr->menuHeight == 0) { wmPtr->menuHeight = 1; } Tk_MakeWindowExist(tkwin); Tk_MakeWindowExist(menubar); if (wmPtr->wrapperPtr == NULL) { CreateWrapper(wmPtr); } XReparentWindow(Tk_Display(menubar), Tk_WindowId(menubar), wmPtr->wrapperPtr->window, 0, 0); menubarPtr->wmInfoPtr = wmPtr; Tk_MoveResizeWindow(menubar, 0, 0, Tk_Width(tkwin), wmPtr->menuHeight); Tk_MapWindow(menubar); Tk_CreateEventHandler(menubar, StructureNotifyMask, MenubarDestroyProc, menubar); Tk_ManageGeometry(menubar, &menubarMgrType, wmPtr); menubarPtr->flags |= TK_REPARENTED; } wmPtr->flags |= WM_UPDATE_SIZE_HINTS; if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, tkwin); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * MenubarDestroyProc -- * * This function is invoked by the event dispatcher whenever a menubar * window is destroyed (it's also invoked for a few other kinds of * events, but we ignore those). * * Results: * None. * * Side effects: * The association between the window and its toplevel is broken, so that * the window is no longer considered to be a menubar. * *---------------------------------------------------------------------- */ static void MenubarDestroyProc( ClientData clientData, /* TkWindow pointer for menubar. */ XEvent *eventPtr) /* Describes what just happened. */ { WmInfo *wmPtr; if (eventPtr->type != DestroyNotify) { return; } wmPtr = ((TkWindow *) clientData)->wmInfoPtr; wmPtr->menubar = NULL; wmPtr->menuHeight = 0; wmPtr->flags |= WM_UPDATE_SIZE_HINTS; if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, wmPtr->winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * MenubarReqProc -- * * This function is invoked by the Tk geometry management code whenever a * menubar calls Tk_GeometryRequest to request a new size. * * Results: * None. * * Side effects: * None. * *---------------------------------------------------------------------- */ static void MenubarReqProc( ClientData clientData, /* Pointer to the window manager information * for tkwin's toplevel. */ Tk_Window tkwin) /* Handle for menubar window. */ { WmInfo *wmPtr = clientData; wmPtr->menuHeight = Tk_ReqHeight(tkwin); if (wmPtr->menuHeight <= 0) { wmPtr->menuHeight = 1; } wmPtr->flags |= WM_UPDATE_SIZE_HINTS; if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, wmPtr->winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * TkpGetWrapperWindow -- * * Given a toplevel window return the hidden wrapper window for the * toplevel window if available. * * Results: * The wrapper window. NULL is we were not passed a toplevel window or * the wrapper has yet to be created. * * Side effects: * None. * *---------------------------------------------------------------------- */ TkWindow * TkpGetWrapperWindow( TkWindow *winPtr) /* A toplevel window pointer. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; if ((winPtr == NULL) || (wmPtr == NULL)) { return NULL; } return wmPtr->wrapperPtr; } /* *---------------------------------------------------------------------- * * UpdateCommand -- * * Update the WM_COMMAND property, taking care to translate the command * strings into the external encoding. * * Results: * None. * * Side effects: * None. * *---------------------------------------------------------------------- */ static void UpdateCommand( TkWindow *winPtr) { register WmInfo *wmPtr = winPtr->wmInfoPtr; Tcl_DString cmds, ds; int i, *offsets; char **cmdArgv; /* * Translate the argv strings into the external encoding. To avoid * allocating lots of memory, the strings are appended to a buffer with * nulls between each string. * * This code is tricky because we need to pass and array of pointers to * XSetCommand. However, we can't compute the pointers as we go because * the DString buffer space could get reallocated. So, store offsets for * each element as we go, then compute pointers from the offsets once the * entire DString is done. */ cmdArgv = ckalloc(sizeof(char *) * wmPtr->cmdArgc); offsets = ckalloc(sizeof(int) * wmPtr->cmdArgc); Tcl_DStringInit(&cmds); for (i = 0; i < wmPtr->cmdArgc; i++) { Tcl_UtfToExternalDString(NULL, wmPtr->cmdArgv[i], -1, &ds); offsets[i] = Tcl_DStringLength(&cmds); Tcl_DStringAppend(&cmds, Tcl_DStringValue(&ds), Tcl_DStringLength(&ds)+1); Tcl_DStringFree(&ds); } cmdArgv[0] = Tcl_DStringValue(&cmds); for (i = 1; i < wmPtr->cmdArgc; i++) { cmdArgv[i] = cmdArgv[0] + offsets[i]; } XSetCommand(winPtr->display, wmPtr->wrapperPtr->window, cmdArgv, wmPtr->cmdArgc); Tcl_DStringFree(&cmds); ckfree(cmdArgv); ckfree(offsets); } /* *---------------------------------------------------------------------- * * TkpWmSetState -- * * Sets the window manager state for the wrapper window of a given * toplevel window. * * Results: * 0 on error, 1 otherwise * * Side effects: * May minimize, restore, or withdraw a window. * *---------------------------------------------------------------------- */ int TkpWmSetState( TkWindow *winPtr, /* Toplevel window to operate on. */ int state) /* One of IconicState, NormalState, or * WithdrawnState. */ { WmInfo *wmPtr = winPtr->wmInfoPtr; if (state == WithdrawnState) { wmPtr->hints.initial_state = WithdrawnState; wmPtr->withdrawn = 1; if (wmPtr->flags & WM_NEVER_MAPPED) { return 1; } if (XWithdrawWindow(winPtr->display, wmPtr->wrapperPtr->window, winPtr->screenNum) == 0) { return 0; } WaitForMapNotify(winPtr, 0); } else if (state == NormalState) { wmPtr->hints.initial_state = NormalState; wmPtr->withdrawn = 0; if (wmPtr->flags & WM_NEVER_MAPPED) { return 1; } UpdateHints(winPtr); Tk_MapWindow((Tk_Window) winPtr); } else if (state == IconicState) { wmPtr->hints.initial_state = IconicState; if (wmPtr->flags & WM_NEVER_MAPPED) { return 1; } if (wmPtr->withdrawn) { UpdateHints(winPtr); Tk_MapWindow((Tk_Window) winPtr); wmPtr->withdrawn = 0; } else { if (XIconifyWindow(winPtr->display, wmPtr->wrapperPtr->window, winPtr->screenNum) == 0) { return 0; } WaitForMapNotify(winPtr, 0); } } return 1; } /* *---------------------------------------------------------------------- * * RemapWindows * * Adjust parent/child relationships of the given window hierarchy. * * Results: * None * * Side effects: * Keeps windowing system (X11) happy * *---------------------------------------------------------------------- */ static void RemapWindows( TkWindow *winPtr, TkWindow *parentPtr) { XWindowAttributes win_attr; if (winPtr->window) { XGetWindowAttributes(winPtr->display, winPtr->window, &win_attr); if (parentPtr == NULL) { XReparentWindow(winPtr->display, winPtr->window, XRootWindow(winPtr->display, winPtr->screenNum), win_attr.x, win_attr.y); } else if (parentPtr->window) { XReparentWindow(parentPtr->display, winPtr->window, parentPtr->window, win_attr.x, win_attr.y); } } } /* * Local Variables: * mode: c * c-basic-offset: 4 * fill-column: 78 * End: */