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enable motion hints - use last sent request

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We were using the next request, but there is no guarantee
on is sent. This caused trouble in e.g. the handlebox dragging.
This commit is contained in:
Alexander Larsson 2009-02-02 16:37:10 +01:00 committed by Alexander Larsson
parent 7b67393b8a
commit 7776c87f3f
1 changed files with 10 additions and 4 deletions
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14
gdk/gdkdisplay.c
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@ -447,13 +447,19 @@ _gdk_get_sm_client_id (void)
void
_gdk_display_enable_motion_hints (GdkDisplay *display)
{
gulong next_serial;
gulong serial;
if (display->pointer_info.motion_hint_serial != 0)
{
next_serial = _gdk_windowing_window_get_next_serial (display);
if (next_serial < display->pointer_info.motion_hint_serial)
display->pointer_info.motion_hint_serial = next_serial;
serial = _gdk_windowing_window_get_next_serial (display);
/* We might not actually generate the next request, so
make sure this triggers always, this may cause it to
trigger slightly to early, but this is just a hint
anyway. */
if (serial > 0)
serial--;
if (serial < display->pointer_info.motion_hint_serial)
display->pointer_info.motion_hint_serial = serial;
}
}