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authorhobbs <hobbs>2005-05-31 05:05:34 (GMT)
committerhobbs <hobbs>2005-05-31 05:05:34 (GMT)
commit953aa290e058aea0a6289ac56b5be357466d470c (patch)
tree3a27400d381b335eaf91f925d22619b31f2b9b98 /generic/tkMenu.c
parent38a21869ce61c480372f9a86ac3eaf5b27c3d38c (diff)
downloadtk-953aa290e058aea0a6289ac56b5be357466d470c.zip
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* generic/tkMenu.c (MenuCmd): create event handler earlier to
ensure proper destruction of menu through DestroyNotify. [Bug 1159367]
Diffstat (limited to 'generic/tkMenu.c')
-rw-r--r--generic/tkMenu.c52
1 files changed, 15 insertions, 37 deletions
diff --git a/generic/tkMenu.c b/generic/tkMenu.c
index ac6ae3e..42fec13 100644
--- a/generic/tkMenu.c
+++ b/generic/tkMenu.c
@@ -12,7 +12,7 @@
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tkMenu.c,v 1.20.2.4 2004/10/27 00:37:38 davygrvy Exp $
+ * RCS: @(#) $Id: tkMenu.c,v 1.20.2.5 2005/05/31 05:05:35 hobbs Exp $
*/
/*
@@ -502,50 +502,28 @@ MenuCmd(clientData, interp, objc, objv)
*/
menuPtr = (TkMenu *) ckalloc(sizeof(TkMenu));
+ memset(menuPtr, 0, sizeof(TkMenu));
menuPtr->tkwin = new;
menuPtr->display = Tk_Display(new);
menuPtr->interp = interp;
menuPtr->widgetCmd = Tcl_CreateObjCommand(interp,
Tk_PathName(menuPtr->tkwin), MenuWidgetObjCmd,
(ClientData) menuPtr, MenuCmdDeletedProc);
- menuPtr->entries = NULL;
- menuPtr->numEntries = 0;
menuPtr->active = -1;
- menuPtr->borderPtr = NULL;
- menuPtr->borderWidthPtr = NULL;
- menuPtr->reliefPtr = NULL;
- menuPtr->activeBorderPtr = NULL;
- menuPtr->activeBorderWidthPtr = NULL;
- menuPtr->fontPtr = NULL;
- menuPtr->fgPtr = NULL;
- menuPtr->disabledFgPtr = NULL;
- menuPtr->activeFgPtr = NULL;
- menuPtr->indicatorFgPtr = NULL;
- menuPtr->tearoff = 0;
- menuPtr->tearoffCommandPtr = NULL;
menuPtr->cursorPtr = None;
- menuPtr->takeFocusPtr = NULL;
- menuPtr->postCommandPtr = NULL;
- menuPtr->postCommandGeneration = 0;
- menuPtr->postedCascade = NULL;
- menuPtr->nextInstancePtr = NULL;
menuPtr->masterMenuPtr = menuPtr;
menuPtr->menuType = UNKNOWN_TYPE;
- menuPtr->menuFlags = 0;
- menuPtr->parentTopLevelPtr = NULL;
- menuPtr->menuTypePtr = NULL;
- menuPtr->titlePtr = NULL;
- menuPtr->errorStructPtr = NULL;
menuPtr->optionTablesPtr = optionTablesPtr;
TkMenuInitializeDrawingFields(menuPtr);
Tk_SetClass(menuPtr->tkwin, "Menu");
Tk_SetClassProcs(menuPtr->tkwin, &menuClass, (ClientData) menuPtr);
+ Tk_CreateEventHandler(new, ExposureMask|StructureNotifyMask|ActivateMask,
+ TkMenuEventProc, (ClientData) menuPtr);
if (Tk_InitOptions(interp, (char *) menuPtr,
menuPtr->optionTablesPtr->menuOptionTable, menuPtr->tkwin)
!= TCL_OK) {
Tk_DestroyWindow(menuPtr->tkwin);
- ckfree((char *) menuPtr);
return TCL_ERROR;
}
@@ -556,12 +534,9 @@ MenuCmd(clientData, interp, objc, objv)
menuPtr->menuRefPtr = menuRefPtr;
if (TCL_OK != TkpNewMenu(menuPtr)) {
Tk_DestroyWindow(menuPtr->tkwin);
- ckfree((char *) menuPtr);
return TCL_ERROR;
}
- Tk_CreateEventHandler(new, ExposureMask|StructureNotifyMask|ActivateMask,
- TkMenuEventProc, (ClientData) menuPtr);
if (ConfigureMenu(interp, menuPtr, objc - 2, objv + 2) != TCL_OK) {
Tk_DestroyWindow(menuPtr->tkwin);
return TCL_ERROR;
@@ -583,7 +558,7 @@ MenuCmd(clientData, interp, objc, objv)
* to be the cascade entry for the clone of .m1. This is special case
* #1 listed in the introductory comment.
*/
-
+
if (menuRefPtr->parentEntryPtr != NULL) {
TkMenuEntry *cascadeListPtr = menuRefPtr->parentEntryPtr;
TkMenuEntry *nextCascadePtr;
@@ -593,7 +568,7 @@ MenuCmd(clientData, interp, objc, objv)
while (cascadeListPtr != NULL) {
nextCascadePtr = cascadeListPtr->nextCascadePtr;
-
+
/*
* If we have a new master menu, and an existing cloned menu
* points to this menu in a cascade entry, we have to clone
@@ -602,7 +577,7 @@ MenuCmd(clientData, interp, objc, objv)
* will hook up the platform-specific cascade linkages now
* that the menu we are creating exists.
*/
-
+
if ((menuPtr->masterMenuPtr != menuPtr)
|| ((menuPtr->masterMenuPtr == menuPtr)
&& ((cascadeListPtr->menuPtr->masterMenuPtr
@@ -625,7 +600,7 @@ MenuCmd(clientData, interp, objc, objv)
windowNamePtr, menuPtr);
Tcl_IncrRefCount(newMenuName);
CloneMenu(menuPtr, newMenuName, normalPtr);
-
+
/*
* Now we can set the new menu instance to be the cascade entry
* of the parent's instance.
@@ -643,25 +618,25 @@ MenuCmd(clientData, interp, objc, objv)
cascadeListPtr = nextCascadePtr;
}
}
-
+
/*
* If there already exist toplevel widgets that refer to this menu,
* find them and notify them so that they can reconfigure their
* geometry to reflect the menu.
*/
-
+
if (menuRefPtr->topLevelListPtr != NULL) {
TkMenuTopLevelList *topLevelListPtr = menuRefPtr->topLevelListPtr;
TkMenuTopLevelList *nextPtr;
Tk_Window listtkwin;
while (topLevelListPtr != NULL) {
-
+
/*
* Need to get the next pointer first. TkSetWindowMenuBar
* changes the list, so that the next pointer is different
* after calling it.
*/
-
+
nextPtr = topLevelListPtr->nextPtr;
listtkwin = topLevelListPtr->tkwin;
TkSetWindowMenuBar(menuPtr->interp, listtkwin,
@@ -1186,6 +1161,9 @@ DestroyMenuInstance(menuPtr)
*/
TkpDestroyMenu(menuPtr);
+ if (menuPtr->menuRefPtr == NULL) {
+ return;
+ }
cascadePtr = menuPtr->menuRefPtr->parentEntryPtr;
menuPtr->menuRefPtr->menuPtr = NULL;
if (TkFreeMenuReferences(menuPtr->menuRefPtr)) {