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| author | patthoyts <patthoyts@users.sourceforge.net> | 2009-11-22 23:49:26 (GMT) |
|---|---|---|
| committer | patthoyts <patthoyts@users.sourceforge.net> | 2009-11-22 23:49:26 (GMT) |
| commit | b324030ef3e727628dff5e52fd769267a3eae6dd (patch) | |
| tree | deb2392397b971085b6ff3050dd35e5b766099fa /win/tkWinWm.c | |
| parent | 64111bfca435c01cabf3714b084885957f1cb247 (diff) | |
| download | tk-b324030ef3e727628dff5e52fd769267a3eae6dd.zip tk-b324030ef3e727628dff5e52fd769267a3eae6dd.tar.gz tk-b324030ef3e727628dff5e52fd769267a3eae6dd.tar.bz2 | |
Make sure the window is still present when handling delayed activation [Bug 2899949]
Diffstat (limited to 'win/tkWinWm.c')
| -rw-r--r-- | win/tkWinWm.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/win/tkWinWm.c b/win/tkWinWm.c index 9e969c7..26d9d55 100644 --- a/win/tkWinWm.c +++ b/win/tkWinWm.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: tkWinWm.c,v 1.141 2009/08/10 23:16:28 nijtmans Exp $ + * RCS: @(#) $Id: tkWinWm.c,v 1.142 2009/11/22 23:49:26 patthoyts Exp $ */ #include "tkWinInt.h" @@ -43,7 +43,8 @@ typedef struct ActivateEvent { Tcl_Event ev; TkWindow *winPtr; - int *flagPtr; + const int *flagPtr; + HWND hwnd; } ActivateEvent; /* @@ -422,7 +423,7 @@ TCL_DECLARE_MUTEX(winWmMutex) static int ActivateWindow(Tcl_Event *evPtr, int flags); static void ConfigureTopLevel(WINDOWPOS *pos); static void GenerateConfigureNotify(TkWindow *winPtr); -static void GenerateActivateEvent(TkWindow *winPtr, int *flagPtr); +static void GenerateActivateEvent(TkWindow *winPtr, const int *flagPtr); static void GetMaxSize(WmInfo *wmPtr, int *maxWidthPtr, int *maxHeightPtr); static void GetMinSize(WmInfo *wmPtr, @@ -8206,13 +8207,14 @@ TkpGetWrapperWindow( */ static void -GenerateActivateEvent(TkWindow * winPtr, int *flagPtr) +GenerateActivateEvent(TkWindow * winPtr, const int *flagPtr) { ActivateEvent *eventPtr; eventPtr = (ActivateEvent *)ckalloc(sizeof(ActivateEvent)); eventPtr->ev.proc = ActivateWindow; eventPtr->winPtr = winPtr; eventPtr->flagPtr = flagPtr; + eventPtr->hwnd = Tk_GetHWND(winPtr->window); Tcl_QueueEvent((Tcl_Event *)eventPtr, TCL_QUEUE_TAIL); } @@ -8245,6 +8247,15 @@ ActivateWindow( } /* + * Ensure the window has not been destroyed while we delayed + * processing the WM_ACTIVATE message [Bug 2899949]. + */ + + if (!IsWindow(eventPtr->hwnd)) { + return 1; + } + + /* * If the toplevel is in the middle of a move or size operation then * we must delay handling of this event to avoid stealing the focus * while the window manage is in control. |