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Diffstat (limited to 'macosx/tkMacOSXMouseEvent.c')
-rw-r--r--macosx/tkMacOSXMouseEvent.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/macosx/tkMacOSXMouseEvent.c b/macosx/tkMacOSXMouseEvent.c
index 168ef73..69a322b 100644
--- a/macosx/tkMacOSXMouseEvent.c
+++ b/macosx/tkMacOSXMouseEvent.c
@@ -334,19 +334,31 @@ TkMacOSXProcessMouseEvent(TkMacOSXEvent *eventPtr, MacEventStatus * statusPtr)
switch (medPtr->windowPart) {
case inDrag:
- DragWindow(medPtr->whichWin, where, NULL);
- where2.h = where2.v = 0;
- LocalToGlobal(&where2);
- if (EqualPt(where, where2)) {
- return false;
+ {
+ CGrafPtr saveWorld;
+ GDHandle saveDevice;
+ GWorldPtr dstPort;
+
+ GetGWorld(&saveWorld, &saveDevice);
+ dstPort = TkMacOSXGetDrawablePort(Tk_WindowId(tkwin));
+ SetGWorld(dstPort, NULL);
+
+ DragWindow(medPtr->whichWin, where, NULL);
+ where2.h = where2.v = 0;
+ LocalToGlobal(&where2);
+ if (EqualPt(where, where2)) {
+ SetGWorld (saveWorld, saveDevice);
+ return false;
+ }
+ TkMacOSXWindowOffset(medPtr->whichWin, &xOffset, &yOffset);
+ where2.h -= xOffset;
+ where2.v -= yOffset;
+ TkGenWMConfigureEvent(tkwin, where2.h, where2.v,
+ -1, -1, TK_LOCATION_CHANGED);
+ SetGWorld(saveWorld, saveDevice);
+ return true;
+ break;
}
- TkMacOSXWindowOffset(medPtr->whichWin, &xOffset, &yOffset);
- where2.h -= xOffset;
- where2.v -= yOffset;
- TkGenWMConfigureEvent(tkwin, where2.h, where2.v,
- -1, -1, TK_LOCATION_CHANGED);
- return true;
- break;
case inContent:
return TkGenerateButtonEvent(where.h, where.v,
window, medPtr->state);