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authordkf <donal.k.fellows@manchester.ac.uk>2010-01-06 14:58:29 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2010-01-06 14:58:29 (GMT)
commit1a6ac30b077e52ba1da9ac22a8d38356ece00cec (patch)
tree26bd34fc1fc835f2a79bdefdc48e6aff6bbd207f /carbon/tkMacOSXMouseEvent.c
parentef7b2a248d85365c8bfc78d1ef62475638b1a6bc (diff)
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[Bug 2926819]: Factor out the pointer warping code a bit better and extend it
to work on OSX too.
Diffstat (limited to 'carbon/tkMacOSXMouseEvent.c')
-rw-r--r--carbon/tkMacOSXMouseEvent.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/carbon/tkMacOSXMouseEvent.c b/carbon/tkMacOSXMouseEvent.c
index b9e54f5..a653073 100644
--- a/carbon/tkMacOSXMouseEvent.c
+++ b/carbon/tkMacOSXMouseEvent.c
@@ -48,7 +48,7 @@
* permission to use and distribute the software in accordance with the
* terms specified in this license.
*
- * RCS: @(#) $Id: tkMacOSXMouseEvent.c,v 1.2 2009/06/29 14:35:01 das Exp $
+ * RCS: @(#) $Id: tkMacOSXMouseEvent.c,v 1.3 2010/01/06 14:58:30 dkf Exp $
*/
#include "tkMacOSXPrivate.h"
@@ -1148,6 +1148,40 @@ GenerateToolbarButtonEvent(
return true;
}
+void
+TkpWarpPointer(
+ TkDisplay *dispPtr)
+{
+ CGPoint pt;
+ UInt32 buttonState;
+
+ if (dispPtr->warpWindow) {
+ int x, y;
+
+ Tk_GetRootCoords(dispPtr->warpWindow, &x, &y);
+ pt.x = x + dispPtr->warpX;
+ pt.y = y + dispPtr->warpY;
+ } else {
+ pt.x = dispPtr->warpX;
+ pt.y = dispPtr->warpY;
+ }
+
+ /*
+ * Tell the OSX core to generate the events to make it happen. This is
+ * fairly ugly, but means that under most circumstances we'll register all
+ * the events that would normally be generated correctly. If we use
+ * CGWarpMouseCursorPosition instead, strange things happen.
+ */
+
+ buttonState = (GetCurrentEvent() && Tk_MacOSXIsAppInFront())
+ ? GetCurrentEventButtonState() : GetCurrentButtonState();
+
+ CGPostMouseEvent(pt, 1 /* generate motion events */, 5,
+ buttonState&1 ? 1 : 0, buttonState&2 ? 1 : 0,
+ buttonState&4 ? 1 : 0, buttonState&8 ? 1 : 0,
+ buttonState&16 ? 1 : 0);
+}
+
/*
* Local Variables:
* mode: c