/* * 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. * * RCS: @(#) $Id: tkUnixWm.c,v 1.36.2.4 2004/10/27 17:34:36 dgp Exp $ */ #include "tkPort.h" #include "tkInt.h" #include "tkUnixInt.h" #include /* * 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[4]; /* 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) (sizeof(ProtocolHandler) - 3 + cmdLength)) /* * 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 * grid units, not pixels. */ int maxWidth, maxHeight; /* Maximum dimensions of window, in * grid units, not pixels. */ 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 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. */ 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 /* * 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 _ANSI_ARGS_((ClientData dummy, Tk_Window tkwin)); static Tk_GeomMgr wmMgrType = { "wm", /* name */ TopLevelReqProc, /* requestProc */ (Tk_GeomLostSlaveProc *) NULL, /* lostSlaveProc */ }; static void MenubarReqProc _ANSI_ARGS_((ClientData clientData, Tk_Window tkwin)); static Tk_GeomMgr menubarMgrType = { "menubar", /* name */ MenubarReqProc, /* requestProc */ (Tk_GeomLostSlaveProc *) 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 procedures defined in this file: */ static int ComputeReparentGeometry _ANSI_ARGS_((WmInfo *wmPtr)); static void ConfigureEvent _ANSI_ARGS_((WmInfo *wmPtr, XConfigureEvent *eventPtr)); static void CreateWrapper _ANSI_ARGS_((WmInfo *wmPtr)); static void GetMaxSize _ANSI_ARGS_((WmInfo *wmPtr, int *maxWidthPtr, int *maxHeightPtr)); static void MenubarDestroyProc _ANSI_ARGS_((ClientData clientData, XEvent *eventPtr)); static int ParseGeometry _ANSI_ARGS_((Tcl_Interp *interp, char *string, TkWindow *winPtr)); static void ReparentEvent _ANSI_ARGS_((WmInfo *wmPtr, XReparentEvent *eventPtr)); static void TkWmStackorderToplevelWrapperMap _ANSI_ARGS_(( TkWindow *winPtr, Tcl_HashTable *reparentTable)); static void TopLevelReqProc _ANSI_ARGS_((ClientData dummy, Tk_Window tkwin)); static void UpdateCommand _ANSI_ARGS_((TkWindow *winPtr)); static void UpdateGeometryInfo _ANSI_ARGS_(( ClientData clientData)); static void UpdateHints _ANSI_ARGS_((TkWindow *winPtr)); static void UpdateSizeHints _ANSI_ARGS_((TkWindow *winPtr)); static void UpdatePhotoIcon _ANSI_ARGS_((TkWindow *winPtr)); static void UpdateVRootGeometry _ANSI_ARGS_((WmInfo *wmPtr)); static void UpdateWmProtocols _ANSI_ARGS_((WmInfo *wmPtr)); static void WaitForConfigureNotify _ANSI_ARGS_((TkWindow *winPtr, unsigned long serial)); static int WaitForEvent _ANSI_ARGS_((Display *display, WmInfo *wmInfoPtr, int type, XEvent *eventPtr)); static void WaitForMapNotify _ANSI_ARGS_((TkWindow *winPtr, int mapped)); static Tk_RestrictAction WaitRestrictProc _ANSI_ARGS_((ClientData clientData, XEvent *eventPtr)); static void WrapperEventProc _ANSI_ARGS_((ClientData clientData, XEvent *eventPtr)); static void WmWaitMapProc _ANSI_ARGS_(( ClientData clientData, XEvent *eventPtr)); static int WmAspectCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmAttributesCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmClientCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmColormapwindowsCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmCommandCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmDeiconifyCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmFocusmodelCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmFrameCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmGeometryCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmGridCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmGroupCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconbitmapCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconifyCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconmaskCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconnameCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconphotoCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconpositionCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmIconwindowCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmMaxsizeCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmMinsizeCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmOverrideredirectCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmPositionfromCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmProtocolCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmResizableCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmSizefromCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmStackorderCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmStateCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmTitleCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmTransientCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static int WmWithdrawCmd _ANSI_ARGS_((Tk_Window tkwin, TkWindow *winPtr, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[])); static void WmUpdateGeom _ANSI_ARGS_((WmInfo *wmPtr, TkWindow *winPtr)); /* *-------------------------------------------------------------- * * TkWmCleanup -- * * This procedure 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(dispPtr) 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((char *)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; protPtr = wmPtr->protPtr; wmPtr->protPtr = protPtr->nextPtr; Tcl_EventuallyFree((ClientData) protPtr, TCL_DYNAMIC); } if (wmPtr->cmdArgv != NULL) { ckfree((char *) wmPtr->cmdArgv); } if (wmPtr->clientMachine != NULL) { ckfree((char *) wmPtr->clientMachine); } ckfree((char *) wmPtr); } if (dispPtr->iconDataPtr != NULL) { ckfree((char *)dispPtr->iconDataPtr); dispPtr->iconDataPtr = NULL; } } /* *-------------------------------------------------------------- * * TkWmNewWindow -- * * This procedure 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(winPtr) TkWindow *winPtr; /* Newly-created top-level window. */ { register WmInfo *wmPtr; TkDisplay *dispPtr = winPtr->dispPtr; wmPtr = (WmInfo *) 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; wmPtr->minWidth = wmPtr->minHeight = 1; /* * Default the maximum dimensions to the size of the display, minus * a guess about how space is needed for window manager decorations. */ 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, (ClientData) 0); } /* *-------------------------------------------------------------- * * TkWmMapWindow -- * * This procedure 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 procedure decides that * isn't appropriate (e.g. because the window is withdrawn). * *-------------------------------------------------------------- */ void TkWmMapWindow(winPtr) TkWindow *winPtr; /* Top-level window that's about to * be mapped. */ { register WmInfo *wmPtr = winPtr->wmInfoPtr; XTextProperty textProp; Tk_Uid string; 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. */ string = (wmPtr->title != NULL) ? wmPtr->title : winPtr->nameUid; Tcl_UtfToExternalDString(NULL, string, -1, &ds); string = Tcl_DStringValue(&ds); if (XStringListToTextProperty(&(Tcl_DStringValue(&ds)), 1, &textProp) != 0) { XSetWMName(winPtr->display, wmPtr->wrapperPtr->window, &textProp); XFree((char *) textProp.value); } Tcl_DStringFree(&ds); TkWmSetClass(winPtr); UpdatePhotoIcon(winPtr); if (wmPtr->iconName != NULL) { Tcl_UtfToExternalDString(NULL, wmPtr->iconName, -1, &ds); XSetIconName(winPtr->display, wmPtr->wrapperPtr->window, Tcl_DStringValue(&ds)); Tcl_DStringFree(&ds); } 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; } else { 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) { XSetWMClientMachine(winPtr->display, wmPtr->wrapperPtr->window, &textProp); XFree((char *) textProp.value); } 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, (ClientData) winPtr); } UpdateGeometryInfo((ClientData) winPtr); return; } wmPtr->flags |= WM_ABOUT_TO_MAP; if (wmPtr->flags & WM_UPDATE_PENDING) { Tcl_CancelIdleCall(UpdateGeometryInfo, (ClientData) winPtr); } UpdateGeometryInfo((ClientData) winPtr); wmPtr->flags &= ~WM_ABOUT_TO_MAP; /* * 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 procedure 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(winPtr) 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 procedure 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(winPtr) 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) { if (prevPtr == NULL) { panic("couldn't unlink window in TkWmDeadWindow"); } 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((char *)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; protPtr = wmPtr->protPtr; wmPtr->protPtr = protPtr->nextPtr; Tcl_EventuallyFree((ClientData) protPtr, TCL_DYNAMIC); } if (wmPtr->cmdArgv != NULL) { ckfree((char *) wmPtr->cmdArgv); } if (wmPtr->clientMachine != NULL) { ckfree((char *) wmPtr->clientMachine); } if (wmPtr->flags & WM_UPDATE_PENDING) { Tcl_CancelIdleCall(UpdateGeometryInfo, (ClientData) 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, (ClientData) wmPtr2->winPtr); wmPtr2->masterPtr = NULL; if (!(wmPtr2->flags & WM_NEVER_MAPPED)) { XSetTransientForHint(wmPtr2->winPtr->display, wmPtr2->wrapperPtr->window, None); /* FIXME: Need a call like Win32's UpdateWrapper() so we can recreate the wrapper and get rid of the transient window decorations. */ } } } if (wmPtr->numTransients != 0) panic("numTransients should be 0"); 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, (ClientData) winPtr); wmPtr->masterPtr = NULL; } ckfree((char *) wmPtr); winPtr->wmInfoPtr = NULL; } /* *-------------------------------------------------------------- * * TkWmSetClass -- * * This procedure is invoked whenever a top-level window's * class is changed. If the window has been mapped then this * procedure 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(winPtr) 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 procedure is invoked to process the "wm" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ /* ARGSUSED */ int Tk_WmObjCmd(clientData, interp, objc, objv) 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 = (Tk_Window) clientData; static CONST char *optionStrings[] = { "aspect", "attributes", "client", "colormapwindows", "command", "deiconify", "focusmodel", "frame", "geometry", "grid", "group", "iconbitmap", "iconify", "iconmask", "iconname", "iconphoto", "iconposition", "iconwindow", "maxsize", "minsize", "overrideredirect", "positionfrom", "protocol", "resizable", "sizefrom", "stackorder", "state", "title", "transient", "withdraw", (char *) NULL }; enum options { WMOPT_ASPECT, WMOPT_ATTRIBUTES, WMOPT_CLIENT, WMOPT_COLORMAPWINDOWS, WMOPT_COMMAND, WMOPT_DEICONIFY, WMOPT_FOCUSMODEL, WMOPT_FRAME, WMOPT_GEOMETRY, WMOPT_GRID, WMOPT_GROUP, WMOPT_ICONBITMAP, WMOPT_ICONIFY, WMOPT_ICONMASK, WMOPT_ICONNAME, WMOPT_ICONPHOTO, WMOPT_ICONPOSITION, WMOPT_ICONWINDOW, 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; int length; char *argv1; TkWindow *winPtr; TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr; if (objc < 2) { wrongNumArgs: Tcl_WrongNumArgs(interp, 1, objv, "option window ?arg ...?"); return TCL_ERROR; } argv1 = Tcl_GetStringFromObj(objv[1], &length); if ((argv1[0] == 't') && (strncmp(argv1, "tracing", (size_t) length) == 0) && (length >= 3)) { int wmTracing; if ((objc != 2) && (objc != 3)) { Tcl_WrongNumArgs(interp, 2, objv, "?boolean?"); return TCL_ERROR; } if (objc == 2) { Tcl_SetResult(interp, ((dispPtr->flags & TK_DISPLAY_WM_TRACING) ? "on" : "off"), TCL_STATIC); 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_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0, &index) != TCL_OK) { return TCL_ERROR; } if (objc < 3) { goto wrongNumArgs; } if (TkGetWindowFromObj(interp, tkwin, objv[2], (Tk_Window *) &winPtr) != TCL_OK) { return TCL_ERROR; } if (!Tk_IsTopLevel(winPtr)) { Tcl_AppendResult(interp, "window \"", winPtr->pathName, "\" isn't a top-level window", (char *) 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_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_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 procedure 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(tkwin, winPtr, interp, objc, objv) 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) { char buf[TCL_INTEGER_SPACE * 4]; sprintf(buf, "%d %d %d %d", wmPtr->minAspect.x, wmPtr->minAspect.y, wmPtr->maxAspect.x, wmPtr->maxAspect.y); Tcl_SetResult(interp, buf, TCL_VOLATILE); } 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_SetResult(interp, "aspect number can't be <= 0", TCL_STATIC); 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; } /* *---------------------------------------------------------------------- * * WmAttributesCmd -- * * This procedure is invoked to process the "wm attributes" Tcl command. * See the user documentation for details on what it does. * * Results: * A standard Tcl result. * * Side effects: * See the user documentation. * *---------------------------------------------------------------------- */ static int WmAttributesCmd(tkwin, winPtr, interp, objc, objv) 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. */ { if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmClientCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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 *argv3; int length; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?name?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->clientMachine != NULL) { Tcl_SetResult(interp, wmPtr->clientMachine, TCL_STATIC); } return TCL_OK; } argv3 = Tcl_GetStringFromObj(objv[3], &length); if (argv3[0] == 0) { if (wmPtr->clientMachine != NULL) { ckfree((char *) 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((char *) wmPtr->clientMachine); } wmPtr->clientMachine = (char *) ckalloc((unsigned) (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) { XSetWMClientMachine(winPtr->display, wmPtr->wrapperPtr->window, &textProp); XFree((char *) textProp.value); } Tcl_DStringFree(&ds); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmColormapwindowsCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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; char buffer[20]; 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; } 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) { sprintf(buffer, "0x%lx", cmapList[i]); Tcl_AppendElement(interp, buffer); } else { Tcl_AppendElement(interp, winPtr2->pathName); } } XFree((char *) cmapList); return TCL_OK; } if (Tcl_ListObjGetElements(interp, objv[3], &windowObjc, &windowObjv) != TCL_OK) { return TCL_ERROR; } cmapList = (Window *) ckalloc((unsigned) ((windowObjc+1)*sizeof(Window))); gotToplevel = 0; for (i = 0; i < windowObjc; i++) { if (TkGetWindowFromObj(interp, tkwin, windowObjv[i], (Tk_Window *) &winPtr2) != TCL_OK) { ckfree((char *) cmapList); return TCL_ERROR; } 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((char *) cmapList); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmCommandCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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 *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) { Tcl_SetResult(interp, Tcl_Merge(wmPtr->cmdArgc, wmPtr->cmdArgv), TCL_DYNAMIC); } return TCL_OK; } argv3 = Tcl_GetString(objv[3]); if (argv3[0] == 0) { if (wmPtr->cmdArgv != NULL) { ckfree((char *) 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((char *) wmPtr->cmdArgv); } wmPtr->cmdArgc = cmdArgc; wmPtr->cmdArgv = cmdArgv; if (!(wmPtr->flags & WM_NEVER_MAPPED)) { UpdateCommand(winPtr); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmDeiconifyCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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_AppendResult(interp, "can't deiconify ", Tcl_GetString(objv[2]), ": it is an icon for ", Tk_PathName(wmPtr->iconFor), (char *) NULL); return TCL_ERROR; } if (winPtr->flags & TK_EMBEDDED) { Tcl_AppendResult(interp, "can't deiconify ", winPtr->pathName, ": it is an embedded window", (char *) NULL); return TCL_ERROR; } wmPtr->flags &= ~WM_WITHDRAWN; TkpWmSetState(winPtr, NormalState); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmFocusmodelCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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 *optionStrings[] = { "active", "passive", (char *) 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_SetResult(interp, (wmPtr->hints.input ? "passive" : "active"), TCL_STATIC); return TCL_OK; } if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "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; } /* *---------------------------------------------------------------------- * * WmFrameCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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; char buf[TCL_INTEGER_SPACE]; if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "window"); return TCL_ERROR; } window = wmPtr->reparent; if (window == None) { window = Tk_WindowId((Tk_Window) winPtr); } sprintf(buf, "0x%x", (unsigned int) window); Tcl_SetResult(interp, buf, TCL_VOLATILE); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmGeometryCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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; char *argv3; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?newGeometry?"); return TCL_ERROR; } if (objc == 3) { char buf[16 + TCL_INTEGER_SPACE * 4]; 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; } sprintf(buf, "%dx%d%c%d%c%d", width, height, xSign, wmPtr->x, ySign, wmPtr->y); Tcl_SetResult(interp, buf, TCL_VOLATILE); 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 procedure 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(tkwin, winPtr, interp, objc, objv) 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) { char buf[TCL_INTEGER_SPACE * 4]; sprintf(buf, "%d %d %d %d", wmPtr->reqGridWidth, wmPtr->reqGridHeight, wmPtr->widthInc, wmPtr->heightInc); Tcl_SetResult(interp, buf, TCL_VOLATILE); } 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_SetResult(interp, "baseWidth can't be < 0", TCL_STATIC); return TCL_ERROR; } if (reqHeight < 0) { Tcl_SetResult(interp, "baseHeight can't be < 0", TCL_STATIC); return TCL_ERROR; } if (widthInc < 0) { Tcl_SetResult(interp, "widthInc can't be < 0", TCL_STATIC); return TCL_ERROR; } if (heightInc < 0) { Tcl_SetResult(interp, "heightInc can't be < 0", TCL_STATIC); 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 procedure 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(tkwin, winPtr, interp, objc, objv) 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; char *argv3; int length; if ((objc != 3) && (objc != 4)) { Tcl_WrongNumArgs(interp, 2, objv, "window ?pathName?"); return TCL_ERROR; } if (objc == 3) { if (wmPtr->hints.flags & WindowGroupHint) { Tcl_SetResult(interp, wmPtr->leaderName, TCL_STATIC); } return TCL_OK; } argv3 = Tcl_GetStringFromObj(objv[3], &length); if (*argv3 == '\0') { wmPtr->hints.flags &= ~WindowGroupHint; if (wmPtr->leaderName != NULL) { ckfree(wmPtr->leaderName); } wmPtr->leaderName = NULL; } else { if (TkGetWindowFromObj(interp, tkwin, objv[3], &tkwin2) != TCL_OK) { return TCL_ERROR; } 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((unsigned) (length + 1)); strcpy(wmPtr->leaderName, argv3); } UpdateHints(winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconbitmapCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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; 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_SetResult(interp, (char *) Tk_NameOfBitmap(winPtr->display, wmPtr->hints.icon_pixmap), TCL_STATIC); } 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 procedure 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(tkwin, winPtr, interp, objc, objv) 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_AppendResult(interp, "can't iconify \"", winPtr->pathName, "\": override-redirect flag is set", (char *) NULL); return TCL_ERROR; } if (wmPtr->masterPtr != NULL) { Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName, "\": it is a transient", (char *) NULL); return TCL_ERROR; } if (wmPtr->iconFor != NULL) { Tcl_AppendResult(interp, "can't iconify ", winPtr->pathName, ": it is an icon for ", Tk_PathName(wmPtr->iconFor), (char *) NULL); return TCL_ERROR; } if (winPtr->flags & TK_EMBEDDED) { Tcl_AppendResult(interp, "can't iconify ", winPtr->pathName, ": it is an embedded window", (char *) NULL); return TCL_ERROR; } if (TkpWmSetState(winPtr, IconicState) == 0) { Tcl_SetResult(interp, "couldn't send iconify message to window manager", TCL_STATIC); return TCL_ERROR; } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconmaskCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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; 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_SetResult(interp, (char *) Tk_NameOfBitmap(winPtr->display, wmPtr->hints.icon_mask), TCL_STATIC); } 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 procedure 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(tkwin, winPtr, interp, objc, objv) 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 *argv3; int length; if (objc > 4) { Tcl_WrongNumArgs(interp, 2, objv, "window ?newName?"); return TCL_ERROR; } if (objc == 3) { Tcl_SetResult(interp, ((wmPtr->iconName != NULL) ? wmPtr->iconName : ""), TCL_STATIC); return TCL_OK; } else { if (wmPtr->iconName != NULL) { ckfree((char *) wmPtr->iconName); } argv3 = Tcl_GetStringFromObj(objv[3], &length); wmPtr->iconName = ckalloc((unsigned) (length + 1)); strcpy(wmPtr->iconName, argv3); if (!(wmPtr->flags & WM_NEVER_MAPPED)) { Tcl_DString ds; Tcl_UtfToExternalDString(NULL, wmPtr->iconName, -1, &ds); XSetIconName(winPtr->display, wmPtr->wrapperPtr->window, Tcl_DStringValue(&ds)); Tcl_DStringFree(&ds); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconphotoCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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; long R, G, B, A; long *iconPropertyData; unsigned char *pixelByte; 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_AppendResult(interp, "can't use \"", Tcl_GetString(objv[i]), "\" as iconphoto: not a photo image", (char *) 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. */ iconPropertyData = (long *) Tcl_AttemptAlloc(sizeof(long)*size); if (iconPropertyData == NULL) { return TCL_ERROR; } memset(iconPropertyData, 0, sizeof(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 specification 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. */ /* * Encode the image data in the iconPropertyData array. */ iconPropertyData[index++] = width; iconPropertyData[index++] = height; for (y = 0; y < height; y++) { for (x = 0; x < width; x++) { R = *(block.pixelPtr + x*block.pixelSize + y*block.pitch + block.offset[0]); G = *(block.pixelPtr + x*block.pixelSize + y*block.pitch + block.offset[1]); B = *(block.pixelPtr + x*block.pixelSize + y*block.pitch + block.offset[2]); A = *(block.pixelPtr + x*block.pixelSize + y*block.pitch + block.offset[3]); pixelByte = (unsigned char *) &iconPropertyData[index]; pixelByte[3] = A; pixelByte[2] = R; pixelByte[1] = G; pixelByte[0] = B; index++; } } } if (wmPtr->iconDataPtr != NULL) { ckfree((char *)wmPtr->iconDataPtr); wmPtr->iconDataPtr = NULL; } if (isDefault) { if (winPtr->dispPtr->iconDataPtr != NULL) { ckfree((char *) 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 procedure 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(tkwin, winPtr, interp, objc, objv) 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) { char buf[TCL_INTEGER_SPACE * 2]; sprintf(buf, "%d %d", wmPtr->hints.icon_x, wmPtr->hints.icon_y); Tcl_SetResult(interp, buf, TCL_VOLATILE); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->hints.flags &= ~IconPositionHint; } else { if ((Tcl_GetIntFromObj(interp, objv[3], &x) != TCL_OK) || (Tcl_GetIntFromObj(interp, objv[4], &y) != TCL_OK)){ return TCL_ERROR; } wmPtr->hints.icon_x = x; wmPtr->hints.icon_y = y; wmPtr->hints.flags |= IconPositionHint; } UpdateHints(winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmIconwindowCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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_SetResult(interp, Tk_PathName(wmPtr->icon), TCL_STATIC); } 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_AppendResult(interp, "can't use ", Tcl_GetString(objv[3]), " as icon window: not at top level", (char *) NULL); return TCL_ERROR; } wmPtr2 = ((TkWindow *) tkwin2)->wmInfoPtr; if (wmPtr2->iconFor != NULL) { Tcl_AppendResult(interp, Tcl_GetString(objv[3]), " is already an icon for ", Tk_PathName(wmPtr2->iconFor), (char *) 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_SetResult(interp, "couldn't send withdraw message to window manager", TCL_STATIC); return TCL_ERROR; } WaitForMapNotify((TkWindow *) tkwin2, 0); } } UpdateHints(winPtr); return TCL_OK; } /* *---------------------------------------------------------------------- * * WmMaxsizeCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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) { char buf[TCL_INTEGER_SPACE * 2]; GetMaxSize(wmPtr, &width, &height); sprintf(buf, "%d %d", width, height); Tcl_SetResult(interp, buf, TCL_VOLATILE); 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 procedure 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(tkwin, winPtr, interp, objc, objv) 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) { char buf[TCL_INTEGER_SPACE * 2]; sprintf(buf, "%d %d", wmPtr->minWidth, wmPtr->minHeight); Tcl_SetResult(interp, buf, TCL_VOLATILE); 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 procedure 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(tkwin, winPtr, interp, objc, objv) 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_SetBooleanObj(Tcl_GetObjResult(interp), 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 procedure 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(tkwin, winPtr, interp, objc, objv) 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 *optionStrings[] = { "program", "user", (char *) 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) { if (wmPtr->sizeHintsFlags & USPosition) { Tcl_SetResult(interp, "user", TCL_STATIC); } else if (wmPtr->sizeHintsFlags & PPosition) { Tcl_SetResult(interp, "program", TCL_STATIC); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->sizeHintsFlags &= ~(USPosition|PPosition); } else { if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "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 procedure 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(tkwin, winPtr, interp, objc, objv) 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; 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. */ for (protPtr = wmPtr->protPtr; protPtr != NULL; protPtr = protPtr->nextPtr) { Tcl_AppendElement(interp, Tk_GetAtomName((Tk_Window) winPtr, protPtr->protocol)); } 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_SetResult(interp, protPtr->command, TCL_STATIC); return TCL_OK; } } return TCL_OK; } /* * Delete any current protocol handler, then create a new * one with the specified command, unless the command is * empty. */ for (protPtr = wmPtr->protPtr, prevPtr = NULL; protPtr != NULL; prevPtr = protPtr, protPtr = protPtr->nextPtr) { if (protPtr->protocol == protocol) { if (prevPtr == NULL) { wmPtr->protPtr = protPtr->nextPtr; } else { prevPtr->nextPtr = protPtr->nextPtr; } Tcl_EventuallyFree((ClientData) protPtr, TCL_DYNAMIC); break; } } cmd = Tcl_GetStringFromObj(objv[4], &cmdLength); if (cmdLength > 0) { protPtr = (ProtocolHandler *) ckalloc(HANDLER_SIZE(cmdLength)); protPtr->protocol = protocol; protPtr->nextPtr = wmPtr->protPtr; wmPtr->protPtr = protPtr; protPtr->interp = interp; strcpy(protPtr->command, cmd); } if (!(wmPtr->flags & WM_NEVER_MAPPED)) { UpdateWmProtocols(wmPtr); } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmResizableCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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) { char buf[TCL_INTEGER_SPACE * 2]; sprintf(buf, "%d %d", (wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) ? 0 : 1, (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE) ? 0 : 1); Tcl_SetResult(interp, buf, TCL_VOLATILE); 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 procedure 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(tkwin, winPtr, interp, objc, objv) 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 *optionStrings[] = { "program", "user", (char *) 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) { if (wmPtr->sizeHintsFlags & USSize) { Tcl_SetResult(interp, "user", TCL_STATIC); } else if (wmPtr->sizeHintsFlags & PSize) { Tcl_SetResult(interp, "program", TCL_STATIC); } return TCL_OK; } if (*Tcl_GetString(objv[3]) == '\0') { wmPtr->sizeHintsFlags &= ~(USSize|PSize); } else { if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "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 procedure 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(tkwin, winPtr, interp, objc, objv) 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 *optionStrings[] = { "isabove", "isbelow", (char *) 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) { panic("TkWmStackorderToplevel failed"); } else { for (window_ptr = windows; *window_ptr ; window_ptr++) { Tcl_AppendElement(interp, (*window_ptr)->pathName); } ckfree((char *) windows); return TCL_OK; } } else { TkWindow *winPtr2; int index1=-1, index2=-1, result; if (TkGetWindowFromObj(interp, tkwin, objv[4], (Tk_Window *) &winPtr2) != TCL_OK) { return TCL_ERROR; } if (!Tk_IsTopLevel(winPtr2)) { Tcl_AppendResult(interp, "window \"", winPtr2->pathName, "\" isn't a top-level window", (char *) NULL); return TCL_ERROR; } if (!Tk_IsMapped(winPtr)) { Tcl_AppendResult(interp, "window \"", winPtr->pathName, "\" isn't mapped", (char *) NULL); return TCL_ERROR; } if (!Tk_IsMapped(winPtr2)) { Tcl_AppendResult(interp, "window \"", winPtr2->pathName, "\" isn't mapped", (char *) 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_AppendResult(interp, "TkWmStackorderToplevel failed", (char *) NULL); return TCL_ERROR; } else { for (window_ptr = windows; *window_ptr ; window_ptr++) { if (*window_ptr == winPtr) index1 = (window_ptr - windows); if (*window_ptr == winPtr2) index2 = (window_ptr - windows); } if (index1 == -1) panic("winPtr window not found"); if (index2 == -1) panic("winPtr2 window not found"); ckfree((char *) windows); } if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0, &index) != TCL_OK) { return TCL_ERROR; } if (index == OPT_ISABOVE) { result = index1 > index2; } else { /* OPT_ISBELOW */ result = index1 < index2; } Tcl_SetIntObj(Tcl_GetObjResult(interp), result); return TCL_OK; } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmStateCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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 *optionStrings[] = { "normal", "iconic", "withdrawn", (char *) 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_AppendResult(interp, "can't change state of ", Tcl_GetString(objv[2]), ": it is an icon for ", Tk_PathName(wmPtr->iconFor), (char *) NULL); return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "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_AppendResult(interp, "can't iconify \"", winPtr->pathName, "\": override-redirect flag is set", (char *) NULL); return TCL_ERROR; } if (wmPtr->masterPtr != NULL) { Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName, "\": it is a transient", (char *) NULL); return TCL_ERROR; } if (TkpWmSetState(winPtr, IconicState) == 0) { Tcl_SetResult(interp, "couldn't send iconify message to window manager", TCL_STATIC); return TCL_ERROR; } } else { /* OPT_WITHDRAWN */ wmPtr->flags |= WM_WITHDRAWN; if (TkpWmSetState(winPtr, WithdrawnState) == 0) { Tcl_SetResult(interp, "couldn't send withdraw message to window manager", TCL_STATIC); return TCL_ERROR; } } } else { if (wmPtr->iconFor != NULL) { Tcl_SetResult(interp, "icon", TCL_STATIC); } else if (wmPtr->withdrawn) { Tcl_SetResult(interp, "withdrawn", TCL_STATIC); } else if (Tk_IsMapped((Tk_Window) winPtr) || ((wmPtr->flags & WM_NEVER_MAPPED) && (wmPtr->hints.initial_state == NormalState))) { Tcl_SetResult(interp, "normal", TCL_STATIC); } else { Tcl_SetResult(interp, "iconic", TCL_STATIC); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmTitleCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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 *argv3; int length; if (objc > 4) { Tcl_WrongNumArgs(interp, 2, objv, "window ?newTitle?"); return TCL_ERROR; } if (objc == 3) { Tcl_SetResult(interp, (char *) ((wmPtr->title != NULL) ? wmPtr->title : winPtr->nameUid), TCL_STATIC); return TCL_OK; } else { if (wmPtr->title != NULL) { ckfree((char *) wmPtr->title); } argv3 = Tcl_GetStringFromObj(objv[3], &length); wmPtr->title = ckalloc((unsigned) (length + 1)); strcpy(wmPtr->title, argv3); if (!(wmPtr->flags & WM_NEVER_MAPPED)) { XTextProperty textProp; Tcl_DString ds; Tcl_UtfToExternalDString(NULL, wmPtr->title, -1, &ds); if (XStringListToTextProperty(&(Tcl_DStringValue(&ds)), 1, &textProp) != 0) { XSetWMName(winPtr->display, wmPtr->wrapperPtr->window, &textProp); XFree((char *) textProp.value); } Tcl_DStringFree(&ds); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmTransientCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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_SetResult(interp, Tk_PathName(masterPtr), TCL_STATIC); } 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, (ClientData) 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 { if (TkGetWindowFromObj(interp, tkwin, objv[3], (Tk_Window *) &masterPtr) != TCL_OK) { return TCL_ERROR; } while (!Tk_TopWinHierarchy(masterPtr)) { /* * Ensure that the master window is actually a Tk toplevel. */ masterPtr = masterPtr->parentPtr; } Tk_MakeWindowExist((Tk_Window) masterPtr); if (wmPtr->iconFor != NULL) { Tcl_AppendResult(interp, "can't make \"", Tcl_GetString(objv[2]), "\" a transient: it is an icon for ", Tk_PathName(wmPtr->iconFor), (char *) NULL); return TCL_ERROR; } wmPtr2 = masterPtr->wmInfoPtr; if (wmPtr2->wrapperPtr == NULL) { CreateWrapper(wmPtr2); } if (wmPtr2->iconFor != NULL) { Tcl_AppendResult(interp, "can't make \"", Tcl_GetString(objv[3]), "\" a master: it is an icon for ", Tk_PathName(wmPtr2->iconFor), (char *) NULL); return TCL_ERROR; } if (masterPtr == winPtr) { Tcl_AppendResult(interp, "can't make \"", Tk_PathName(winPtr), "\" its own master", (char *) 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, (ClientData) winPtr); } masterPtr->wmInfoPtr->numTransients++; Tk_CreateEventHandler((Tk_Window) masterPtr, StructureNotifyMask, WmWaitMapProc, (ClientData) winPtr); wmPtr->masterPtr = masterPtr; } } if (!(wmPtr->flags & WM_NEVER_MAPPED)) { if (wmPtr->masterPtr != NULL && !Tk_IsMapped(wmPtr->masterPtr)) { if (TkpWmSetState(winPtr, WithdrawnState) == 0) { Tcl_SetResult(interp, "couldn't send withdraw message to window manager", TCL_STATIC); return TCL_ERROR; } } else { Window xwin = (wmPtr->masterPtr == NULL) ? None : wmPtr->masterPtr->wmInfoPtr->wrapperPtr->window; XSetTransientForHint(winPtr->display, wmPtr->wrapperPtr->window, xwin); } } return TCL_OK; } /* *---------------------------------------------------------------------- * * WmWithdrawCmd -- * * This procedure 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(tkwin, winPtr, interp, objc, objv) 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_AppendResult(interp, "can't withdraw ", Tcl_GetString(objv[2]), ": it is an icon for ", Tk_PathName(wmPtr->iconFor), (char *) NULL); return TCL_ERROR; } wmPtr->flags |= WM_WITHDRAWN; if (TkpWmSetState(winPtr, WithdrawnState) == 0) { Tcl_SetResult(interp, "couldn't send withdraw message to window manager", TCL_STATIC); return TCL_ERROR; } return TCL_OK; } /* * Invoked by those wm subcommands that affect geometry. * Schedules a geometry update. */ static void WmUpdateGeom(wmPtr, winPtr) WmInfo *wmPtr; TkWindow *winPtr; { if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) 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, eventPtr) ClientData clientData; /* Pointer to window. */ XEvent *eventPtr; /* Information about event. */ { TkWindow *winPtr = (TkWindow *) 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 procedure 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 asscoiated 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 procedure call has no effect. * *---------------------------------------------------------------------- */ void Tk_SetGrid(tkwin, reqWidth, reqHeight, widthInc, heightInc) 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, heightInc; /* Pixel increments corresponding to a * change of one grid unit. */ { 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 ((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 procedure 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, (ClientData) winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * Tk_UnsetGrid -- * * This procedure 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 procedure has no effect. * *---------------------------------------------------------------------- */ void Tk_UnsetGrid(tkwin) 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, (ClientData) winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * ConfigureEvent -- * * This procedure 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(wmPtr, configEventPtr) 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, (Tk_ErrorProc *) NULL, (ClientData) 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 procedure 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(wmPtr, reparentEventPtr) 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; Atom actualType; int actualFormat; unsigned long numItems, bytesAfter; unsigned int dummy; Tk_ErrorHandler handler; TkDisplay *dispPtr = wmPtr->winPtr->dispPtr; /* * 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, (Tk_ErrorProc *) NULL, (ClientData) NULL); if (((XGetWindowProperty(wrapperPtr->display, wrapperPtr->window, Tk_InternAtom((Tk_Window) wrapperPtr, "__WM_ROOT"), 0, (long) 1, False, XA_WINDOW, &actualType, &actualFormat, &numItems, &bytesAfter, (unsigned char **) &virtualRootPtr) == Success) && (actualType == XA_WINDOW)) || ((XGetWindowProperty(wrapperPtr->display, wrapperPtr->window, Tk_InternAtom((Tk_Window) wrapperPtr, "__SWM_ROOT"), 0, (long) 1, False, XA_WINDOW, &actualType, &actualFormat, &numItems, &bytesAfter, (unsigned char **) &virtualRootPtr) == Success) && (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 int) reparentEventPtr->parent, (unsigned int) 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, (Tk_ErrorProc *) NULL, (ClientData) 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 procedure 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(wmPtr) WmInfo *wmPtr; /* Information about toplevel window * whose reparent info is to be recomputed. */ { TkWindow *wrapperPtr = wmPtr->wrapperPtr; int width, height, bd; unsigned int 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, (Tk_ErrorProc *) NULL, (ClientData) NULL); (void) XTranslateCoordinates(wrapperPtr->display, wrapperPtr->window, wmPtr->reparent, 0, 0, &xOffset, &yOffset, &dummy2); status = XGetGeometry(wrapperPtr->display, wmPtr->reparent, &dummy2, &x, &y, (unsigned int *) &width, (unsigned int *) &height, (unsigned int *) &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; } /* *---------------------------------------------------------------------- * * WrapperEventProc -- * * This procedure 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 void WrapperEventProc(clientData, eventPtr) ClientData clientData; /* Information about toplevel window. */ XEvent *eventPtr; /* Event that just happened. */ { WmInfo *wmPtr = (WmInfo *) 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, (Tk_ErrorProc *) NULL, (ClientData) 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); } return; doMapEvent: mapEvent = *eventPtr; mapEvent.xmap.event = wmPtr->winPtr->window; mapEvent.xmap.window = wmPtr->winPtr->window; Tk_HandleEvent(&mapEvent); } /* *---------------------------------------------------------------------- * * TopLevelReqProc -- * * This procedure 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(dummy, tkwin) ClientData dummy; /* Not used. */ Tk_Window tkwin; /* Information about window. */ { TkWindow *winPtr = (TkWindow *) tkwin; WmInfo *wmPtr; wmPtr = winPtr->wmInfoPtr; 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, (ClientData) 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 procedure is invoked when a top-level window is first * mapped, and also as a when-idle procedure, 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 procedure 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 clientData; /* Pointer to the window's record. */ { register TkWindow *winPtr = (TkWindow *) clientData; register WmInfo *wmPtr = winPtr->wmInfoPtr; int x, y, width, height; 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), and (c) whether or not the window is * gridded. 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; } 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; } /* * 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)) == 0)) { wmPtr->flags |= WM_UPDATE_SIZE_HINTS; } if (wmPtr->flags & WM_UPDATE_SIZE_HINTS) { UpdateSizeHints(winPtr); } /* * Reconfigure the wrapper if it isn't already configured correctly. * A few tricky points: * * 1. If the window is embeddedand 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)) { /* * 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; Tk_GeometryRequest((Tk_Window) TkpGetOtherWindow(winPtr), 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 %d x %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 procedure 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(winPtr) TkWindow *winPtr; { 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) { if (wmPtr->width >= 0) { hintsPtr->min_width = wmPtr->width; } else { hintsPtr->min_width = winPtr->reqWidth; } hintsPtr->max_width = hintsPtr->min_width; hintsPtr->flags |= PMaxSize; } if (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE) { if (wmPtr->height >= 0) { hintsPtr->min_height = wmPtr->height; } else { hintsPtr->min_height = winPtr->reqHeight + wmPtr->menuHeight; } hintsPtr->max_height = hintsPtr->min_height; hintsPtr->flags |= PMaxSize; } XSetWMNormalHints(winPtr->display, wmPtr->wrapperPtr->window, hintsPtr); XFree((char *) hintsPtr); } /* *-------------------------------------------------------------- * * UpdatePhotoIcon -- * * This procedure is called to update the window ohoto icon. * It sets the EWMH-defined properties _NET_WM_ICON. * * Side effects: * Properties get changed for winPtr. * *-------------------------------------------------------------- */ static void UpdatePhotoIcon(winPtr) 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) { /* * Set icon: */ XChangeProperty(winPtr->display, wmPtr->wrapperPtr->window, Tk_InternAtom((Tk_Window) winPtr, "_NET_WM_ICON"), XA_CARDINAL, 32, PropModeReplace, (unsigned char *) data, size); } } /* *---------------------------------------------------------------------- * * WaitForConfigureNotify -- * * This procedure 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 * procedure 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 * procedure. * 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(winPtr, serial) 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 procedure. 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 procedure 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 procedure * 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, wmInfoPtr, type, eventPtr) 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 *oldRestrictProc; ClientData oldRestrictData; 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; oldRestrictProc = Tk_RestrictEvents(WaitRestrictProc, (ClientData) &info, &oldRestrictData); TclpGetTime(&timeout); timeout.sec += 2; while (!info.foundEvent) { if (!TkUnixDoOneXEvent(&timeout)) { break; } } (void) Tk_RestrictEvents(oldRestrictProc, oldRestrictData, &oldRestrictData); if (info.foundEvent) { return TCL_OK; } return TCL_ERROR; } /* *---------------------------------------------------------------------- * * WaitRestrictProc -- * * This procedure 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, eventPtr) ClientData clientData; /* Pointer to WaitRestrictInfo structure. */ XEvent *eventPtr; /* Event that is about to be handled. */ { WaitRestrictInfo *infoPtr = (WaitRestrictInfo *) 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 procedure 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(winPtr, mapped) 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 procedure 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(winPtr) TkWindow *winPtr; { WmInfo *wmPtr = winPtr->wmInfoPtr; if (wmPtr->flags & WM_NEVER_MAPPED) { return; } XSetWMHints(winPtr->display, wmPtr->wrapperPtr->window, &wmPtr->hints); } /* *-------------------------------------------------------------- * * ParseGeometry -- * * This procedure 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(interp, string, winPtr) Tcl_Interp *interp; /* Used for error reporting. */ 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 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)) == 0) { 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, (ClientData) winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } return TCL_OK; error: Tcl_AppendResult(interp, "bad geometry specifier \"", string, "\"", (char *) NULL); return TCL_ERROR; } /* *---------------------------------------------------------------------- * * Tk_GetRootCoords -- * * Given a token for a window, this procedure 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(tkwin, xPtr, yPtr) 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 procedure * 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(rootX, rootY, tkwin) int rootX, 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, (Tk_ErrorProc *) NULL, (ClientData) 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); wmPtr = winPtr->wmInfoPtr; childX = x; childY = y; goto gotToplevel; } } return (Tk_Window) winPtr; } /* *---------------------------------------------------------------------- * * UpdateVRootGeometry -- * * This procedure 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(wmPtr) WmInfo *wmPtr; /* Window manager information to be * updated. The wmPtr->vRoot field must * be valid. */ { TkWindow *winPtr = wmPtr->winPtr; int bd; unsigned int 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, (Tk_ErrorProc *) NULL, (ClientData) NULL); status = XGetGeometry(winPtr->display, wmPtr->vRoot, &dummy2, &wmPtr->vRootX, &wmPtr->vRootY, (unsigned int *) &wmPtr->vRootWidth, (unsigned int *) &wmPtr->vRootHeight, (unsigned int *) &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 procedure 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(tkwin, xPtr, yPtr, widthPtr, heightPtr) Tk_Window tkwin; /* Window whose virtual root is to be * queried. */ int *xPtr, *yPtr; /* Store x and y offsets of virtual root * here. */ int *widthPtr, *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 procedure 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(tkwin, x, y) Tk_Window tkwin; /* Window to move. */ int x, y; /* New location for window (within * parent). */ { TkWindow *winPtr = (TkWindow *) tkwin; register WmInfo *wmPtr = winPtr->wmInfoPtr; if (!(winPtr->flags & TK_TOP_LEVEL)) { 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)) == 0) { 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, (ClientData) winPtr); } UpdateGeometryInfo((ClientData) winPtr); } } /* *---------------------------------------------------------------------- * * UpdateWmProtocols -- * * This procedure 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(wmPtr) register WmInfo *wmPtr; /* Information about top-level window. */ { register ProtocolHandler *protPtr; Atom deleteWindowAtom; 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 protocol, even if no-one's officially asked. */ for (protPtr = wmPtr->protPtr, count = 1; protPtr != NULL; protPtr = protPtr->nextPtr, count++) { /* Empty loop body; we're just counting the handlers. */ } arrayPtr = (Atom *) ckalloc((unsigned) (count * sizeof(Atom))); deleteWindowAtom = Tk_InternAtom((Tk_Window) wmPtr->winPtr, "WM_DELETE_WINDOW"); arrayPtr[0] = deleteWindowAtom; for (protPtr = wmPtr->protPtr, atomPtr = &arrayPtr[1]; protPtr != NULL; protPtr = protPtr->nextPtr) { if (protPtr->protocol != deleteWindowAtom) { *atomPtr = protPtr->protocol; atomPtr++; } } XChangeProperty(wmPtr->winPtr->display, wmPtr->wrapperPtr->window, Tk_InternAtom((Tk_Window) wmPtr->winPtr, "WM_PROTOCOLS"), XA_ATOM, 32, PropModeReplace, (unsigned char *) arrayPtr, atomPtr-arrayPtr); ckfree((char *) arrayPtr); } /* *---------------------------------------------------------------------- * * TkWmProtocolEventProc -- * * This procedure is called by the Tk_HandleEvent whenever a * ClientMessage event arrives whose type is "WM_PROTOCOLS". * This procedure 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(winPtr, eventPtr) 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; wmPtr = winPtr->wmInfoPtr; if (wmPtr == NULL) { return; } protocol = (Atom) eventPtr->xclient.data.l[0]; /* * 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((ClientData) protPtr); interp = protPtr->interp; Tcl_Preserve((ClientData) interp); result = Tcl_GlobalEval(interp, protPtr->command); if (result != TCL_OK) { Tcl_AddErrorInfo(interp, "\n (command for \""); Tcl_AddErrorInfo(interp, protocolName); Tcl_AddErrorInfo(interp, "\" window manager protocol)"); Tcl_BackgroundError(interp); } Tcl_Release((ClientData) interp); Tcl_Release((ClientData) 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 procedure 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(winPtr, table) TkWindow *winPtr; /* TkWindow to recurse on */ Tcl_HashTable *table; /* Maps X id to TkWindow */ { TkWindow *childPtr; Tcl_HashEntry *hPtr; Window wrapper; int newEntry; if (Tk_IsMapped(winPtr) && Tk_IsTopLevel(winPtr) && !Tk_IsEmbedded(winPtr)) { wrapper = (winPtr->wmInfoPtr->reparent != None) ? winPtr->wmInfoPtr->reparent : winPtr->wmInfoPtr->wrapperPtr->window; hPtr = Tcl_CreateHashEntry(table, (char *) wrapper, &newEntry); Tcl_SetHashValue(hPtr, winPtr); } for (childPtr = winPtr->childList; childPtr != NULL; childPtr = childPtr->nextPtr) { TkWmStackorderToplevelWrapperMap(childPtr, table); } } /* *---------------------------------------------------------------------- * * TkWmStackorderToplevel -- * * This procedure 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(parentPtr) TkWindow *parentPtr; /* Parent toplevel window. */ { Window dummy1, dummy2, vRoot; Window *children; unsigned int 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, &table); window_ptr = windows = (TkWindow **) 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] = (TkWindow *) 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((char *) windows); windows = NULL; } else { for (i = 0; i < numChildren; i++) { hPtr = Tcl_FindHashEntry(&table, (char *) children[i]); if (hPtr != NULL) { childWinPtr = (TkWindow *) Tcl_GetHashValue(hPtr); *window_ptr++ = childWinPtr; } } if ((window_ptr - windows) != table.numEntries) panic("num matched toplevel windows does not equal num children"); *window_ptr = NULL; if (numChildren) { XFree((char *) children); } } done: Tcl_DeleteHashTable(&table); return windows; } /* *---------------------------------------------------------------------- * * TkWmRestackToplevel -- * * This procedure restacks a top-level window. * * Results: * None. * * Side effects: * WinPtr gets restacked as specified by aboveBelow and otherPtr. * *---------------------------------------------------------------------- */ void TkWmRestackToplevel(winPtr, aboveBelow, otherPtr) 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 int 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 procedure 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(winPtr) 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 = (Window *) ckalloc((unsigned) ((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((char *) newPtr); if (oldPtr != NULL) { XFree((char *) oldPtr); } } /* *---------------------------------------------------------------------- * * TkWmRemoveFromColormapWindows -- * * This procedure 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(winPtr) 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(tkwin, xPtr, yPtr) Tk_Window tkwin; /* Toplevel window that identifies screen * on which lookup is to be done. */ int *xPtr, *yPtr; /* Store pointer coordinates here. */ { TkWindow *winPtr = (TkWindow *) tkwin; WmInfo *wmPtr; Window w, root, child; int rootX, rootY; unsigned int 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 procedure 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 procedure computes the largest sizes that * will fit on the screen. * * Side effects: * None. * *---------------------------------------------------------------------- */ static void GetMaxSize(wmPtr, maxWidthPtr, maxHeightPtr) 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; } } /* *---------------------------------------------------------------------- * * TkpMakeMenuWindow -- * * Configure the window to be either a pull-down (or pop-up) * menu, or as a toplevel (torn-off) menu or palette. * * Results: * None. * * Side effects: * Changes the style bit used to create a new Mac toplevel. * *---------------------------------------------------------------------- */ void TkpMakeMenuWindow(tkwin, transient) Tk_Window tkwin; /* New window. */ int transient; /* 1 means menu is only posted briefly as * a popup or pulldown or cascade. 0 means * menu is always visible, e.g. as a torn-off * menu. Determines whether save_under and * override_redirect should be set. */ { WmInfo *wmPtr; XSetWindowAttributes atts; TkWindow *wrapperPtr; if (!Tk_HasWrapper(tkwin)) { return; } wmPtr = ((TkWindow *) tkwin)->wmInfoPtr; if (wmPtr->wrapperPtr == NULL) { CreateWrapper(wmPtr); } wrapperPtr = wmPtr->wrapperPtr; if (transient) { atts.override_redirect = True; atts.save_under = True; } else { atts.override_redirect = False; atts.save_under = False; } /* * 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 procedure 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(wmPtr) 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 * procedures 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, StructureNotifyMask, WrapperEventProc, (ClientData) wmPtr); } /* *---------------------------------------------------------------------- * * TkWmFocusToplevel -- * * This is a utility procedure 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 procedure 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(winPtr) TkWindow *winPtr; /* Window that received a focus-related * event. */ { if (!(winPtr->flags & TK_WRAPPER)) { return NULL; } return winPtr->wmInfoPtr->winPtr; } /* *---------------------------------------------------------------------- * * TkUnixSetMenubar -- * * This procedure 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(tkwin, menubar) 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; 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, (ClientData) wmPtr->menubar); Tk_ManageGeometry(wmPtr->menubar, NULL, (ClientData) NULL); } wmPtr->menubar = menubar; if (menubar == NULL) { wmPtr->menuHeight = 0; } else { if ((menubarPtr->flags & TK_TOP_LEVEL) || (Tk_Screen(menubar) != Tk_Screen(tkwin))) { 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, (ClientData) menubar); Tk_ManageGeometry(menubar, &menubarMgrType, (ClientData) wmPtr); menubarPtr->flags |= TK_REPARENTED; } wmPtr->flags |= WM_UPDATE_SIZE_HINTS; if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) { Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) tkwin); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * MenubarDestroyProc -- * * This procedure 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, eventPtr) 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, (ClientData) wmPtr->winPtr); wmPtr->flags |= WM_UPDATE_PENDING; } } /* *---------------------------------------------------------------------- * * MenubarReqProc -- * * This procedure 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, tkwin) ClientData clientData; /* Pointer to the window manager * information for tkwin's toplevel. */ Tk_Window tkwin; /* Handle for menubar window. */ { WmInfo *wmPtr = (WmInfo *) 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, (ClientData) 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(winPtr) 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(winPtr) 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 = (char **) ckalloc(sizeof(char *) * wmPtr->cmdArgc); offsets = (int *) 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((char *) cmdArgv); ckfree((char *) 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(winPtr, state) 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; }