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Diffstat (limited to 'macosx/tkMacOSXMouseEvent.c')
-rw-r--r--macosx/tkMacOSXMouseEvent.c56
1 files changed, 22 insertions, 34 deletions
diff --git a/macosx/tkMacOSXMouseEvent.c b/macosx/tkMacOSXMouseEvent.c
index e771edb..2516ef8 100644
--- a/macosx/tkMacOSXMouseEvent.c
+++ b/macosx/tkMacOSXMouseEvent.c
@@ -470,28 +470,38 @@ HandleInCollapse(WindowRef win)
static int
GeneratePollingEvents(MouseEventData * medPtr)
{
- Tk_Window tkwin, rootwin, grabWin;
+ Tk_Window tkwin, rootwin, grabWin, topPtr;
Window window;
int local_x, local_y;
TkDisplay *dispPtr;
- /*
- * I really do not understand this complicated logic. Surely the event
- * should be to either: (1) medPtr->whichWin, the window under the mouse
- * (from which we then obviously extract the correct Tk subwindow), or
- * (2) the current grab window. I really don't see why anything else is
- * relevant.
- */
-#if 0
+
+ grabWin = TkMacOSXGetCapture();
+
if ((!TkpIsWindowFloating(medPtr->whichWin)
&& (medPtr->activeNonFloating != medPtr->whichWin))) {
- tkwin = NULL;
+ /*
+ * If the window for this event is not floating, and is not the
+ * active non-floating window, don't generate polling events.
+ * We don't send events to backgrounded windows. So either send
+ * it to the grabWin, or NULL if there is no grabWin.
+ */
+
+ tkwin = grabWin;
} else {
+ /*
+ * First check whether the toplevel containing this mouse
+ * event is the grab window. If not, then send the event
+ * to the grab window. Otherwise, set tkWin to the subwindow
+ * which most closely contains the mouse event.
+ */
+
window = TkMacOSXGetXWindow(medPtr->whichWin);
dispPtr = TkGetDisplayList();
rootwin = Tk_IdToWindow(dispPtr->display, window);
- if (rootwin == NULL) {
- tkwin = NULL;
+ if ((rootwin == NULL)
+ || ((grabWin != NULL) && (rootwin != grabWin))) {
+ tkwin = grabWin;
} else {
tkwin = Tk_TopCoordsToWindow(rootwin,
medPtr->local.h, medPtr->local.v,
@@ -504,28 +514,6 @@ GeneratePollingEvents(MouseEventData * medPtr)
* adjust any state that Tk must remember.
*/
- grabWin = TkMacOSXGetCapture();
-
- if ((tkwin == NULL) && (grabWin != NULL)) {
- tkwin = grabWin;
- }
-#else
- grabWin = TkMacOSXGetCapture();
- if (grabWin != NULL) {
- tkwin = grabWin;
- } else {
- window = TkMacOSXGetXWindow(medPtr->whichWin);
- dispPtr = TkGetDisplayList();
- rootwin = Tk_IdToWindow(dispPtr->display, window);
- if (rootwin == NULL) {
- tkwin = NULL;
- } else {
- tkwin = Tk_TopCoordsToWindow(rootwin,
- medPtr->local.h, medPtr->local.v,
- &local_x, &local_y);
- }
- }
-#endif
Tk_UpdatePointer(tkwin, medPtr->global.h, medPtr->global.v,
medPtr->state);