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authorvincentdarley <vincentdarley>2004-01-07 13:25:56 (GMT)
committervincentdarley <vincentdarley>2004-01-07 13:25:56 (GMT)
commit592839a36bcc6cb9ccef1ce6b74b0fedc686a12c (patch)
tree4a086264f899d2955944f4bbd15d50aadcea43ae
parentad97b97e09fbe5339088d21df9e84b057b1616f5 (diff)
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disabled submenu fix
-rw-r--r--ChangeLog7
-rw-r--r--win/tkWinMenu.c35
2 files changed, 30 insertions, 12 deletions
diff --git a/ChangeLog b/ChangeLog
index 18e5e26..b8a5d28 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2004-01-07 Vince Darley <vincentdarley@users.sourceforge.net>
+
+ * win/tkWinMenu.c: only provide a submenu handle when the
+ MF_POPUP flag is given, fixing a recently-introduced crash
+ when submenus are disabled. Also better error checking for
+ this sort of situation in the future.
+
2003-12-31 Daniel Steffen <das@users.sourceforge.net>
* macosx/Wish.pbproj/project.pbxproj: added missing private headers
diff --git a/win/tkWinMenu.c b/win/tkWinMenu.c
index 1660759..be00a5f 100644
--- a/win/tkWinMenu.c
+++ b/win/tkWinMenu.c
@@ -9,7 +9,7 @@
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tkWinMenu.c,v 1.30 2003/12/28 23:11:10 mdejong Exp $
+ * RCS: @(#) $Id: tkWinMenu.c,v 1.31 2004/01/07 13:25:56 vincentdarley Exp $
*/
#define OEMRESOURCE
@@ -129,7 +129,7 @@ static void DrawWindowsSystemBitmap _ANSI_ARGS_((
Display *display, Drawable drawable,
GC gc, CONST RECT *rectPtr, int bitmapID,
int alignFlags));
-static void FreeID _ANSI_ARGS_((int commandID));
+static void FreeID _ANSI_ARGS_((WORD commandID));
static TCHAR * GetEntryText _ANSI_ARGS_((TkMenuEntry *mePtr));
static void GetMenuAccelGeometry _ANSI_ARGS_((TkMenu *menuPtr,
TkMenuEntry *mePtr, Tk_Font tkfont,
@@ -151,7 +151,7 @@ static void GetTearoffEntryGeometry _ANSI_ARGS_((TkMenu *menuPtr,
CONST Tk_FontMetrics *fmPtr, int *widthPtr,
int *heightPtr));
static int GetNewID _ANSI_ARGS_((TkMenuEntry *mePtr,
- int *menuIDPtr));
+ WORD *menuIDPtr));
static int TkWinMenuKeyObjCmd _ANSI_ARGS_((ClientData clientData,
Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
@@ -190,7 +190,7 @@ static LRESULT CALLBACK TkWinMenuProc _ANSI_ARGS_((HWND hwnd,
static int
GetNewID(mePtr, menuIDPtr)
TkMenuEntry *mePtr; /* The menu we are working with */
- int *menuIDPtr; /* The resulting id */
+ WORD *menuIDPtr; /* The resulting id */
{
int found = 0;
int newEntry;
@@ -219,7 +219,7 @@ GetNewID(mePtr, menuIDPtr)
if (found) {
Tcl_SetHashValue(commandEntryPtr, (char *) mePtr);
- *menuIDPtr = (int) returnID;
+ *menuIDPtr = returnID;
tsdPtr->lastCommandID = returnID;
return TCL_OK;
} else {
@@ -245,7 +245,7 @@ GetNewID(mePtr, menuIDPtr)
static void
FreeID(commandID)
- int commandID;
+ WORD commandID;
{
ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
@@ -418,7 +418,7 @@ TkpDestroyMenuEntry(mePtr)
Tcl_DoWhenIdle(ReconfigureWindowsMenu, (ClientData) menuPtr);
}
}
- FreeID((int) mePtr->platformEntryData);
+ FreeID((WORD) mePtr->platformEntryData);
mePtr->platformEntryData = NULL;
}
@@ -616,18 +616,26 @@ ReconfigureWindowsMenu(
flags |= MF_MENUBREAK;
}
- itemID = (int) mePtr->platformEntryData;
+ itemID = (UINT) mePtr->platformEntryData;
if ((mePtr->type == CASCADE_ENTRY)
&& (mePtr->childMenuRefPtr != NULL)
&& (mePtr->childMenuRefPtr->menuPtr != NULL)) {
HMENU childMenuHdl = (HMENU) mePtr->childMenuRefPtr->menuPtr
->platformData;
if (childMenuHdl != NULL) {
- itemID = (UINT) childMenuHdl;
- /* Win32 draws the popup arrow in the wrong color *
- * for a disabled cascade menu, so do it by hand. */
+ /*
+ * Win32 draws the popup arrow in the wrong color
+ * for a disabled cascade menu, so do it by hand.
+ * Given it is disabled, there's no need for it to
+ * be connected to its child.
+ */
if (mePtr->state != ENTRY_DISABLED) {
flags |= MF_POPUP;
+ /*
+ * If the MF_POPUP flag is set, then the id
+ * is interpreted as the handle of a submenu.
+ */
+ itemID = (UINT) childMenuHdl;
}
}
if ((menuPtr->menuType == MENUBAR)
@@ -827,7 +835,7 @@ int
TkpMenuNewEntry(mePtr)
TkMenuEntry *mePtr;
{
- int commandID;
+ WORD commandID;
TkMenu *menuPtr = mePtr->menuPtr;
if (GetNewID(mePtr, &commandID) != TCL_OK) {
@@ -1167,6 +1175,9 @@ TkWinHandleMenuEvent(phwnd, pMessage, pwParam, plParam, plResult)
if ((mePtr == NULL) || (mePtr->state == ENTRY_DISABLED)) {
TkActivateMenuEntry(menuPtr, -1);
} else {
+ if (mePtr->index >= menuPtr->numEntries) {
+ Tcl_Panic("Trying to activate an entry which doesn't exist.");
+ }
TkActivateMenuEntry(menuPtr, mePtr->index);
}
MenuSelectEvent(menuPtr);