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gdk,xi2: Ensure scroll valuators are reset on window/device switch

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This is in order to avoid scrolling glitches as the device causing
scrolling to happen or the Window receiving the events changes.
This commit is contained in:
Carlos Garnacho 2012-02-23 18:24:37 +01:00 committed by Matthias Clasen
parent 377eb396a3
commit 013da47a07
1 changed files with 7 additions and 1 deletions
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8
gdk/x11/gdkdevicemanager-xi2.c
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@ -757,11 +757,13 @@ handle_device_changed (GdkX11DeviceManagerXI2 *device_manager,
XIDeviceChangedEvent *ev)
{
GdkDisplay *display;
GdkDevice *device;
GdkDevice *device, *source_device;
display = gdk_device_manager_get_display (GDK_DEVICE_MANAGER (device_manager));
device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (ev->deviceid));
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (ev->sourceid));
if (device)
{
@ -770,6 +772,9 @@ handle_device_changed (GdkX11DeviceManagerXI2 *device_manager,
g_signal_emit_by_name (G_OBJECT (device), "changed");
}
if (source_device)
_gdk_device_xi2_reset_scroll_valuators (GDK_X11_DEVICE_XI2 (source_device));
}
static GdkCrossingMode
@ -1522,6 +1527,7 @@ gdk_x11_device_manager_xi2_translate_event (GdkEventTranslator *translator,
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
gdk_event_set_source_device (event, source_device);
_gdk_device_xi2_reset_scroll_valuators (GDK_X11_DEVICE_XI2 (source_device));
event->crossing.mode = translate_crossing_mode (xev->mode);
event->crossing.detail = translate_notify_type (xev->detail);