1 From 4eab270368617383e2e287c434f71e037e686047 Mon Sep 17 00:00:00 2001
2 From: Kristian Rietveld <kris@lanedo.com>
3 Date: Sun, 17 Feb 2013 13:06:59 +0100
4 Subject: [PATCH 33/68] Never intervene in the event stream for legacy mice
6 This is necessary for devices (e.g. Mighty Mouse) which do emit
7 precise deltas but no phase.
9 gdk/gdkwindow.c | 10 +++++++++-
10 1 file changed, 9 insertions(+), 1 deletion(-)
12 diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
13 index 7a3732c..2db0c0b 100644
16 @@ -10849,12 +10849,20 @@ proxy_button_event (GdkEvent *source_event,
18 if (type == GDK_SCROLL && source_event->scroll.has_deltas)
20 + gboolean legacy_mouse =
21 + source_event->scroll.phase == GDK_EVENT_SCROLL_PHASE_NONE &&
22 + source_event->scroll.momentum_phase == GDK_EVENT_SCROLL_PHASE_NONE;
24 if (source_event->scroll.phase == GDK_EVENT_SCROLL_PHASE_START)
26 set_last_scroll_event_windows (display, pointer_window, event_win);
29 + else if (!legacy_mouse)
31 + /* Never override pointer and event windows for legacy devices
32 + * which are not capable of momentum scrolling. (The windows
33 + * will be NULL, because they have never been set).
35 pointer_window = g_object_get_qdata (G_OBJECT (display),
36 quark_last_scroll_pointer_window);
37 event_win = g_object_get_qdata (G_OBJECT (display),
39 1.7.10.2 (Apple Git-33)