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gdk: Filter out either smooth or non-smooth event depending on the evmask

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If a device provides both smooth and non-smooth events, the latter will be
flagged with _gdk_event_set_pointer_emulated() so the client side window
receives one or the other. If a device is only able to deliver non-smooth
events, those will be sent, so both direction/deltas may need to be handled.
This commit is contained in:
Carlos Garnacho 2012-01-24 00:09:40 +01:00 committed by Matthias Clasen
parent 4b1e16cac6
commit b177bd92aa
1 changed files with 7 additions and 0 deletions
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7
gdk/gdkwindow.c
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@ -9696,6 +9696,13 @@ proxy_button_event (GdkEvent *source_event,
state, time_, source_event,
serial, FALSE);
}
else if (type == GDK_SCROLL &&
(((evmask & GDK_SMOOTH_SCROLL_MASK) == 0 &&
source_event->scroll.direction == GDK_SCROLL_SMOOTH) ||
((evmask & GDK_SMOOTH_SCROLL_MASK) != 0 &&
source_event->scroll.direction != GDK_SCROLL_SMOOTH &&
_gdk_event_get_pointer_emulated (source_event))))
return FALSE;
event = _gdk_make_event (event_win, type, source_event, FALSE);