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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2016-12-15 16:07:06 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2016-12-15 16:07:06 (GMT) |
| commit | e5d46c829ed41bda771655006278d94adca115fc (patch) | |
| tree | 767bdf02a5953ce6966e4eb8e6eded15ceb364fb /unix/tkUnixEvent.c | |
| parent | 007b0626d2fc73a6bead019a52340418942361d7 (diff) | |
| download | tk-e5d46c829ed41bda771655006278d94adca115fc.zip tk-e5d46c829ed41bda771655006278d94adca115fc.tar.gz tk-e5d46c829ed41bda771655006278d94adca115fc.tar.bz2 | |
Proposed fix for [7d967c68a09e07e355358af40f36dd5dd84c7022|7d967c68]: Tk applications segmentation fault when ibus-daemon IME is restarted
Diffstat (limited to 'unix/tkUnixEvent.c')
| -rw-r--r-- | unix/tkUnixEvent.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/unix/tkUnixEvent.c b/unix/tkUnixEvent.c index f3beb16..111d430 100644 --- a/unix/tkUnixEvent.c +++ b/unix/tkUnixEvent.c @@ -38,6 +38,8 @@ static void DisplayFileProc(ClientData clientData, int flags); static void DisplaySetupProc(ClientData clientData, int flags); static void TransferXEventsToTcl(Display *display); #ifdef TK_USE_INPUT_METHODS +static void InstantiateIMCallback(Display *, XPointer client_data, XPointer call_data); +static void DestroyIMCallback(XIM im, XPointer client_data, XPointer call_data); static void OpenIM(TkDisplay *dispPtr); #endif @@ -179,6 +181,8 @@ TkpOpenDisplay( dispPtr->flags |= use_xkb; #ifdef TK_USE_INPUT_METHODS OpenIM(dispPtr); + XRegisterIMInstantiateCallback(dispPtr->display, NULL, NULL, NULL, + InstantiateIMCallback, (XPointer) dispPtr); #endif Tcl_CreateFileHandler(ConnectionNumber(display), TCL_READABLE, DisplayFileProc, dispPtr); @@ -664,6 +668,35 @@ TkpSync( } #ifdef TK_USE_INPUT_METHODS +static void +InstantiateIMCallback( + Display *display, + XPointer client_data, + XPointer call_data) +{ + TkDisplay *dispPtr; + + dispPtr = (TkDisplay *) client_data; + OpenIM(dispPtr); + XUnregisterIMInstantiateCallback(dispPtr->display, NULL, NULL, NULL, + InstantiateIMCallback, (XPointer) dispPtr); +} + +static void +DestroyIMCallback( + XIM im, + XPointer client_data, + XPointer call_data) +{ + TkDisplay *dispPtr; + + dispPtr = (TkDisplay *) client_data; + dispPtr->inputMethod = NULL; + ++dispPtr->ximGeneration; + XRegisterIMInstantiateCallback(dispPtr->display, NULL, NULL, NULL, + InstantiateIMCallback, (XPointer) dispPtr); +} + /* *-------------------------------------------------------------- * @@ -693,11 +726,23 @@ OpenIM( return; } + ++dispPtr->ximGeneration; dispPtr->inputMethod = XOpenIM(dispPtr->display, NULL, NULL, NULL); if (dispPtr->inputMethod == NULL) { return; } + /* Require X11R6 */ + { + XIMCallback destroy_cb; + + destroy_cb.callback = DestroyIMCallback; + destroy_cb.client_data = (XPointer) dispPtr; + if (XSetIMValues(dispPtr->inputMethod, XNDestroyCallback, + &destroy_cb, NULL)) + goto error; + } + if ((XGetIMValues(dispPtr->inputMethod, XNQueryInputStyle, &stylePtr, NULL) != NULL) || (stylePtr == NULL)) { goto error; @@ -744,6 +789,7 @@ error: if (dispPtr->inputMethod) { XCloseIM(dispPtr->inputMethod); dispPtr->inputMethod = NULL; + ++dispPtr->ximGeneration; } } #endif /* TK_USE_INPUT_METHODS */ |