--- /dev/null
+/*
+ * tkGeometry.c --
+ *
+ * This file contains generic Tk code for geometry management (stuff
+ * that's used by all geometry managers).
+ *
+ * Copyright (c) 1990-1994 The Regents of the University of California.
+ * Copyright (c) 1994-1995 Sun Microsystems, Inc.
+ *
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ */
+
+#include "tkInt.h"
+
+/*
+ * Data structures of the following type are used by Tk_MaintainGeometry. For
+ * each content managed by Tk_MaintainGeometry, there is one of these structures
+ * associated with its container.
+ */
+
+typedef struct MaintainContent {
+ Tk_Window content; /* The content window being positioned. */
+ Tk_Window container; /* The container that determines content's
+ * position; it must be a descendant of
+ * content's parent. */
+ int x, y; /* Desired position of content relative to
+ * container. */
+ int width, height; /* Desired dimensions of content. */
+ struct MaintainContent *nextPtr;
+ /* Next in list of Maintains associated with
+ * container. */
+} MaintainContent;
+
+/*
+ * For each window that has been specified as a content to Tk_MaintainGeometry,
+ * there is a structure of the following type:
+ */
+
+typedef struct MaintainContainer {
+ Tk_Window ancestor; /* The lowest ancestor of this window for
+ * which we have *not* created a
+ * StructureNotify handler. May be the same as
+ * the window itself. */
+ int checkScheduled; /* Non-zero means that there is already a call
+ * to MaintainCheckProc scheduled as an idle
+ * handler. */
+ MaintainContent *contentPtr; /* First in list of all content associated with
+ * this container. */
+} MaintainContainer;
+
+/*
+ * Prototypes for static procedures in this file:
+ */
+
+static void MaintainCheckProc(ClientData clientData);
+static void MaintainContainerProc(ClientData clientData,
+ XEvent *eventPtr);
+static void MaintainContentProc(ClientData clientData,
+ XEvent *eventPtr);
+\f
+/*
+ *--------------------------------------------------------------
+ *
+ * Tk_ManageGeometry --
+ *
+ * Arrange for a particular procedure to manage the geometry of a given
+ * content window.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Proc becomes the new geometry manager for tkwin, replacing any
+ * previous geometry manager. The geometry manager will be notified (by
+ * calling procedures in *mgrPtr) when interesting things happen in the
+ * future. If there was an existing geometry manager for tkwin different
+ * from the new one, it is notified by calling its lostSlaveProc.
+ *
+ *--------------------------------------------------------------
+ */
+
+void
+Tk_ManageGeometry(
+ Tk_Window tkwin, /* Window whose geometry is to be managed by
+ * proc. */
+ const Tk_GeomMgr *mgrPtr, /* Static structure describing the geometry
+ * manager. This structure must never go
+ * away. */
+ ClientData clientData) /* Arbitrary one-word argument to pass to
+ * geometry manager procedures. */
+{
+ TkWindow *winPtr = (TkWindow *) tkwin;
+
+ if ((winPtr->geomMgrPtr != NULL) && (mgrPtr != NULL)
+ && ((winPtr->geomMgrPtr != mgrPtr)
+ || (winPtr->geomData != clientData))
+ && (winPtr->geomMgrPtr->lostSlaveProc != NULL)) {
+ winPtr->geomMgrPtr->lostSlaveProc(winPtr->geomData, tkwin);
+ }
+
+ winPtr->geomMgrPtr = mgrPtr;
+ winPtr->geomData = clientData;
+}
+\f
+/*
+ *--------------------------------------------------------------
+ *
+ * Tk_GeometryRequest --
+ *
+ * This procedure is invoked by widget code to indicate its preferences
+ * about the size of a window it manages. In general, widget code should
+ * call this procedure rather than Tk_ResizeWindow.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * The geometry manager for tkwin (if any) is invoked to handle the
+ * request. If possible, it will reconfigure tkwin and/or other windows
+ * to satisfy the request. The caller gets no indication of success or
+ * failure, but it will get X events if the window size was actually
+ * changed.
+ *
+ *--------------------------------------------------------------
+ */
+
+void
+Tk_GeometryRequest(
+ Tk_Window tkwin, /* Window that geometry information pertains
+ * to. */
+ int reqWidth, int reqHeight)/* Minimum desired dimensions for window, in
+ * pixels. */
+{
+ TkWindow *winPtr = (TkWindow *) tkwin;
+
+ /*
+ * X gets very upset if a window requests a width or height of zero, so
+ * rounds requested sizes up to at least 1.
+ */
+
+ if (reqWidth <= 0) {
+ reqWidth = 1;
+ }
+ if (reqHeight <= 0) {
+ reqHeight = 1;
+ }
+ if ((reqWidth == winPtr->reqWidth) && (reqHeight == winPtr->reqHeight)) {
+ return;
+ }
+ winPtr->reqWidth = reqWidth;
+ winPtr->reqHeight = reqHeight;
+ if ((winPtr->geomMgrPtr != NULL)
+ && (winPtr->geomMgrPtr->requestProc != NULL)) {
+ winPtr->geomMgrPtr->requestProc(winPtr->geomData, tkwin);
+ }
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_SetInternalBorderEx --
+ *
+ * Notify relevant geometry managers that a window has an internal border
+ * of a given width and that child windows should not be placed on that
+ * border.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * The border widths are recorded for the window, and all geometry
+ * managers of all children are notified so that can re-layout, if
+ * necessary.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+Tk_SetInternalBorderEx(
+ Tk_Window tkwin, /* Window that will have internal border. */
+ int left, int right, /* Width of internal border, in pixels. */
+ int top, int bottom)
+{
+ TkWindow *winPtr = (TkWindow *) tkwin;
+ int changed = 0;
+
+ if (left < 0) {
+ left = 0;
+ }
+ if (left != winPtr->internalBorderLeft) {
+ winPtr->internalBorderLeft = left;
+ changed = 1;
+ }
+
+ if (right < 0) {
+ right = 0;
+ }
+ if (right != winPtr->internalBorderRight) {
+ winPtr->internalBorderRight = right;
+ changed = 1;
+ }
+
+ if (top < 0) {
+ top = 0;
+ }
+ if (top != winPtr->internalBorderTop) {
+ winPtr->internalBorderTop = top;
+ changed = 1;
+ }
+
+ if (bottom < 0) {
+ bottom = 0;
+ }
+ if (bottom != winPtr->internalBorderBottom) {
+ winPtr->internalBorderBottom = bottom;
+ changed = 1;
+ }
+
+ /*
+ * All the content for which this is the container window must now be
+ * repositioned to take account of the new internal border width. To
+ * signal all the geometry managers to do this, trigger a ConfigureNotify
+ * event. This will cause geometry managers to recompute everything.
+ */
+
+ if (changed) {
+ TkDoConfigureNotify(winPtr);
+ }
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_SetInternalBorder --
+ *
+ * Notify relevant geometry managers that a window has an internal border
+ * of a given width and that child windows should not be placed on that
+ * border.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * The border width is recorded for the window, and all geometry managers
+ * of all children are notified so that can re-layout, if necessary.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+Tk_SetInternalBorder(
+ Tk_Window tkwin, /* Window that will have internal border. */
+ int width) /* Width of internal border, in pixels. */
+{
+ Tk_SetInternalBorderEx(tkwin, width, width, width, width);
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_SetMinimumRequestSize --
+ *
+ * Notify relevant geometry managers that a window has a minimum request
+ * size.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * The minimum request size is recorded for the window, and a new size is
+ * requested for the window, if necessary.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+Tk_SetMinimumRequestSize(
+ Tk_Window tkwin, /* Window that will have internal border. */
+ int minWidth, int minHeight)/* Minimum requested size, in pixels. */
+{
+ TkWindow *winPtr = (TkWindow *) tkwin;
+
+ if ((winPtr->minReqWidth == minWidth) &&
+ (winPtr->minReqHeight == minHeight)) {
+ return;
+ }
+
+ winPtr->minReqWidth = minWidth;
+ winPtr->minReqHeight = minHeight;
+
+ /*
+ * The changed min size may cause geometry managers to get a different
+ * result, so make them recompute. To signal all the geometry managers to
+ * do this, just resize the window to its current size. The
+ * ConfigureNotify event will cause geometry managers to recompute
+ * everything.
+ */
+
+ Tk_ResizeWindow(tkwin, Tk_Width(tkwin), Tk_Height(tkwin));
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkSetGeometryContainer --
+ *
+ * Set a geometry container for this window. Only one container may own
+ * a window at any time.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * The geometry container is recorded for the window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkSetGeometryContainer(
+ Tcl_Interp *interp, /* Current interpreter, for error. */
+ Tk_Window tkwin, /* Window that will have geometry container
+ * set. */
+ const char *name) /* The name of the geometry manager. */
+{
+ TkWindow *winPtr = (TkWindow *) tkwin;
+
+ if (winPtr->geomMgrName != NULL &&
+ strcmp(winPtr->geomMgrName, name) == 0) {
+ return TCL_OK;
+ }
+ if (winPtr->geomMgrName != NULL) {
+ if (interp != NULL) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "cannot use geometry manager %s inside %s which already"
+ " has slaves managed by %s",
+ name, Tk_PathName(tkwin), winPtr->geomMgrName));
+ Tcl_SetErrorCode(interp, "TK", "GEOMETRY", "FIGHT", NULL);
+ }
+ return TCL_ERROR;
+ }
+
+ winPtr->geomMgrName = (char *)ckalloc(strlen(name) + 1);
+ strcpy(winPtr->geomMgrName, name);
+ return TCL_OK;
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkFreeGeometryContainer --
+ *
+ * Remove a geometry container for this window. Only one container may own
+ * a window at any time.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * The geometry container is cleared for the window.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkFreeGeometryContainer(
+ Tk_Window tkwin, /* Window that will have geometry container
+ * cleared. */
+ const char *name) /* The name of the geometry manager. */
+{
+ TkWindow *winPtr = (TkWindow *) tkwin;
+
+ if (winPtr->geomMgrName != NULL &&
+ strcmp(winPtr->geomMgrName, name) != 0) {
+ Tcl_Panic("Trying to free %s from geometry manager %s",
+ winPtr->geomMgrName, name);
+ }
+ if (winPtr->geomMgrName != NULL) {
+ ckfree(winPtr->geomMgrName);
+ winPtr->geomMgrName = NULL;
+ }
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_MaintainGeometry --
+ *
+ * This procedure is invoked by geometry managers to handle content whose
+ * container's are not their parents. It translates the desired geometry for
+ * the content into the coordinate system of the parent and respositions
+ * the content if it isn't already at the right place. Furthermore, it sets
+ * up event handlers so that if the container (or any of its ancestors up to
+ * the content's parent) is mapped, unmapped, or moved, then the content will
+ * be adjusted to match.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Event handlers are created and state is allocated to keep track of
+ * content. Note: if content was already managed for container by
+ * Tk_MaintainGeometry, then the previous information is replaced with
+ * the new information. The caller must eventually call
+ * Tk_UnmaintainGeometry to eliminate the correspondence (or, the state
+ * is automatically freed when either window is destroyed).
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+Tk_MaintainGeometry(
+ Tk_Window window, /* Window for geometry management. */
+ Tk_Window container, /* Container for window; must be a descendant of
+ * window's parent. */
+ int x, int y, /* Desired position of window within container. */
+ int width, int height) /* Desired dimensions for window. */
+{
+ Tcl_HashEntry *hPtr;
+ MaintainContainer *containerPtr;
+ MaintainContent *contentPtr;
+ int isNew, map;
+ Tk_Window ancestor, parent;
+ TkDisplay *dispPtr = ((TkWindow *) container)->dispPtr;
+
+ ((TkWindow *)window)->maintainerPtr = (TkWindow *)container;
+
+ if (container == Tk_Parent(window)) {
+ /*
+ * If the window is a direct descendant of the container, don't bother
+ * setting up the extra infrastructure for management, just make a
+ * call to Tk_MoveResizeWindow; the parent/child relationship will
+ * take care of the rest.
+ */
+
+ Tk_MoveResizeWindow(window, x, y, width, height);
+
+ /*
+ * Map the window if the container is already mapped; otherwise, wait
+ * until the container is mapped later (in which case mapping the window
+ * is taken care of elsewhere).
+ */
+
+ if (Tk_IsMapped(container)) {
+ Tk_MapWindow(window);
+ }
+ return;
+ }
+
+ if (!dispPtr->geomInit) {
+ dispPtr->geomInit = 1;
+ Tcl_InitHashTable(&dispPtr->maintainHashTable, TCL_ONE_WORD_KEYS);
+ }
+
+ /*
+ * See if there is already a MaintainContainer structure for the container; if
+ * not, then create one.
+ */
+
+ parent = Tk_Parent(window);
+ hPtr = Tcl_CreateHashEntry(&dispPtr->maintainHashTable,
+ (char *) container, &isNew);
+ if (!isNew) {
+ containerPtr = (MaintainContainer *)Tcl_GetHashValue(hPtr);
+ } else {
+ containerPtr = (MaintainContainer *)ckalloc(sizeof(MaintainContainer));
+ containerPtr->ancestor = container;
+ containerPtr->checkScheduled = 0;
+ containerPtr->contentPtr = NULL;
+ Tcl_SetHashValue(hPtr, containerPtr);
+ }
+
+ /*
+ * Create a MaintainContent structure for the window if there isn't already
+ * one.
+ */
+
+ for (contentPtr = containerPtr->contentPtr; contentPtr != NULL;
+ contentPtr = contentPtr->nextPtr) {
+ if (contentPtr->content == window) {
+ goto gotContent;
+ }
+ }
+ contentPtr = (MaintainContent *)ckalloc(sizeof(MaintainContent));
+ contentPtr->content = window;
+ contentPtr->container = container;
+ contentPtr->nextPtr = containerPtr->contentPtr;
+ containerPtr->contentPtr = contentPtr;
+ Tk_CreateEventHandler(window, StructureNotifyMask, MaintainContentProc,
+ contentPtr);
+
+ /*
+ * Make sure that there are event handlers registered for all the windows
+ * between container and windows's parent (including container but not window's
+ * parent). There may already be handlers for container and some of its
+ * ancestors (containerPtr->ancestor tells how many).
+ */
+
+ for (ancestor = container; ancestor != parent;
+ ancestor = Tk_Parent(ancestor)) {
+ if (ancestor == containerPtr->ancestor) {
+ Tk_CreateEventHandler(ancestor, StructureNotifyMask,
+ MaintainContainerProc, containerPtr);
+ containerPtr->ancestor = Tk_Parent(ancestor);
+ }
+ }
+
+ /*
+ * Fill in up-to-date information in the structure, then update the window
+ * if it's not currently in the right place or state.
+ */
+
+ gotContent:
+ contentPtr->x = x;
+ contentPtr->y = y;
+ contentPtr->width = width;
+ contentPtr->height = height;
+ map = 1;
+ for (ancestor = contentPtr->container; ; ancestor = Tk_Parent(ancestor)) {
+ if (!Tk_IsMapped(ancestor) && (ancestor != parent)) {
+ map = 0;
+ }
+ if (ancestor == parent) {
+ if ((x != Tk_X(contentPtr->content))
+ || (y != Tk_Y(contentPtr->content))
+ || (width != Tk_Width(contentPtr->content))
+ || (height != Tk_Height(contentPtr->content))) {
+ Tk_MoveResizeWindow(contentPtr->content, x, y, width, height);
+ }
+ if (map) {
+ Tk_MapWindow(contentPtr->content);
+ } else {
+ Tk_UnmapWindow(contentPtr->content);
+ }
+ break;
+ }
+ x += Tk_X(ancestor) + Tk_Changes(ancestor)->border_width;
+ y += Tk_Y(ancestor) + Tk_Changes(ancestor)->border_width;
+ }
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_UnmaintainGeometry --
+ *
+ * This procedure cancels a previous Tk_MaintainGeometry call, so that
+ * the relationship between window and container is no longer maintained.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * The window is unmapped and state is released, so that window won't track
+ * container any more. If we weren't previously managing window relative to
+ * container, then this procedure has no effect.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+Tk_UnmaintainGeometry(
+ Tk_Window window, /* WIndow for geometry management. */
+ Tk_Window container) /* Container for window; must be a descendant of
+ * window's parent. */
+{
+ Tcl_HashEntry *hPtr;
+ MaintainContainer *containerPtr;
+ MaintainContent *contentPtr, *prevPtr;
+ Tk_Window ancestor;
+ TkDisplay *dispPtr = ((TkWindow *) window)->dispPtr;
+
+ ((TkWindow *)window)->maintainerPtr = NULL;
+
+ if (container == Tk_Parent(window)) {
+ /*
+ * If the window is a direct descendant of the container,
+ * Tk_MaintainGeometry will not have set up any of the extra
+ * infrastructure. Don't even bother to look for it, just return.
+ */
+ return;
+ }
+
+ if (!dispPtr->geomInit) {
+ dispPtr->geomInit = 1;
+ Tcl_InitHashTable(&dispPtr->maintainHashTable, TCL_ONE_WORD_KEYS);
+ }
+
+ if (!(((TkWindow *) window)->flags & TK_ALREADY_DEAD)) {
+ Tk_UnmapWindow(window);
+ }
+ hPtr = Tcl_FindHashEntry(&dispPtr->maintainHashTable, container);
+ if (hPtr == NULL) {
+ return;
+ }
+ containerPtr = (MaintainContainer *)Tcl_GetHashValue(hPtr);
+ contentPtr = containerPtr->contentPtr;
+ if (contentPtr->content == window) {
+ containerPtr->contentPtr = contentPtr->nextPtr;
+ } else {
+ for (prevPtr = contentPtr, contentPtr = contentPtr->nextPtr; ;
+ prevPtr = contentPtr, contentPtr = contentPtr->nextPtr) {
+ if (contentPtr == NULL) {
+ return;
+ }
+ if (contentPtr->content == window) {
+ prevPtr->nextPtr = contentPtr->nextPtr;
+ break;
+ }
+ }
+ }
+ Tk_DeleteEventHandler(contentPtr->content, StructureNotifyMask,
+ MaintainContentProc, contentPtr);
+ ckfree(contentPtr);
+ if (containerPtr->contentPtr == NULL) {
+ if (containerPtr->ancestor != NULL) {
+ for (ancestor = container; ; ancestor = Tk_Parent(ancestor)) {
+ Tk_DeleteEventHandler(ancestor, StructureNotifyMask,
+ MaintainContainerProc, containerPtr);
+ if (ancestor == containerPtr->ancestor) {
+ break;
+ }
+ }
+ }
+ if (containerPtr->checkScheduled) {
+ Tcl_CancelIdleCall(MaintainCheckProc, containerPtr);
+ }
+ Tcl_DeleteHashEntry(hPtr);
+ ckfree(containerPtr);
+ }
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * MaintainContainerProc --
+ *
+ * This procedure is invoked by the Tk event dispatcher in response to
+ * StructureNotify events on the container or one of its ancestors, on
+ * behalf of Tk_MaintainGeometry.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * It schedules a call to MaintainCheckProc, which will eventually caused
+ * the postions and mapped states to be recalculated for all the
+ * maintained windows of the container. Or, if the container window is being
+ * deleted then state is cleaned up.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+MaintainContainerProc(
+ ClientData clientData, /* Pointer to MaintainContainer structure for the
+ * container window. */
+ XEvent *eventPtr) /* Describes what just happened. */
+{
+ MaintainContainer *containerPtr = (MaintainContainer *)clientData;
+ MaintainContent *contentPtr;
+ int done;
+
+ if ((eventPtr->type == ConfigureNotify)
+ || (eventPtr->type == MapNotify)
+ || (eventPtr->type == UnmapNotify)) {
+ if (!containerPtr->checkScheduled) {
+ containerPtr->checkScheduled = 1;
+ Tcl_DoWhenIdle(MaintainCheckProc, containerPtr);
+ }
+ } else if (eventPtr->type == DestroyNotify) {
+ /*
+ * Delete all of the state associated with this container, but be careful
+ * not to use containerPtr after the last window is deleted, since its
+ * memory will have been freed.
+ */
+
+ done = 0;
+ do {
+ contentPtr = containerPtr->contentPtr;
+ if (contentPtr->nextPtr == NULL) {
+ done = 1;
+ }
+ Tk_UnmaintainGeometry(contentPtr->content, contentPtr->container);
+ } while (!done);
+ }
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * MaintainContentProc --
+ *
+ * This procedure is invoked by the Tk event dispatcher in response to
+ * StructureNotify events on a window being managed by
+ * Tk_MaintainGeometry.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * If the event is a DestroyNotify event then the Maintain state and
+ * event handlers for this window are deleted.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+MaintainContentProc(
+ ClientData clientData, /* Pointer to MaintainContent structure for
+ * container-window pair. */
+ XEvent *eventPtr) /* Describes what just happened. */
+{
+ MaintainContent *contentPtr = (MaintainContent *)clientData;
+
+ if (eventPtr->type == DestroyNotify) {
+ Tk_UnmaintainGeometry(contentPtr->content, contentPtr->container);
+ }
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * MaintainCheckProc --
+ *
+ * This procedure is invoked by the Tk event dispatcher as an idle
+ * handler, when a container or one of its ancestors has been reconfigured,
+ * mapped, or unmapped. Its job is to scan all of the windows for the
+ * container and reposition them, map them, or unmap them as needed to
+ * maintain their geometry relative to the container.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Windows can get repositioned, mapped, or unmapped.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+MaintainCheckProc(
+ ClientData clientData) /* Pointer to MaintainContainer structure for the
+ * container window. */
+{
+ MaintainContainer *containerPtr = (MaintainContainer *)clientData;
+ MaintainContent *contentPtr;
+ Tk_Window ancestor, parent;
+ int x, y, map;
+
+ containerPtr->checkScheduled = 0;
+ for (contentPtr = containerPtr->contentPtr; contentPtr != NULL;
+ contentPtr = contentPtr->nextPtr) {
+ parent = Tk_Parent(contentPtr->content);
+ x = contentPtr->x;
+ y = contentPtr->y;
+ map = 1;
+ for (ancestor = contentPtr->container; ; ancestor = Tk_Parent(ancestor)) {
+ if (!Tk_IsMapped(ancestor) && (ancestor != parent)) {
+ map = 0;
+ }
+ if (ancestor == parent) {
+ if ((x != Tk_X(contentPtr->content))
+ || (y != Tk_Y(contentPtr->content))) {
+ Tk_MoveWindow(contentPtr->content, x, y);
+ }
+ if (map) {
+ Tk_MapWindow(contentPtr->content);
+ } else {
+ Tk_UnmapWindow(contentPtr->content);
+ }
+ break;
+ }
+ x += Tk_X(ancestor) + Tk_Changes(ancestor)->border_width;
+ y += Tk_Y(ancestor) + Tk_Changes(ancestor)->border_width;
+ }
+ }
+}
+\f
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */
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