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device-manager: select/unselect device events as device change

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When a device is added or changes, select/unselect events from X
accordingly.

https://bugzilla.gnome.org/show_bug.cgi?id=673644
This commit is contained in:
Cosimo Cecchi 2012-04-24 10:21:25 -04:00
parent b746044415
commit 032870dccc
3 changed files with 50 additions and 0 deletions
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13
clutter/x11/clutter-device-manager-xi2.c
View File

@ -425,6 +425,7 @@ translate_hierarchy_event (ClutterBackendX11 *backend_x11,
ClutterInputDevice *master, *slave;
XIDeviceInfo *info;
int n_devices;
gboolean send_changed = FALSE;
CLUTTER_NOTE (EVENT, "Hierarchy event: slave %s",
(ev->info[i].flags & XISlaveAttached)
@ -440,6 +441,8 @@ translate_hierarchy_event (ClutterBackendX11 *backend_x11,
{
_clutter_input_device_remove_slave (master, slave);
_clutter_input_device_set_associated_device (slave, NULL);
send_changed = TRUE;
}
/* and attach the slave to the new master if needed */
@ -453,8 +456,18 @@ translate_hierarchy_event (ClutterBackendX11 *backend_x11,
_clutter_input_device_set_associated_device (slave, master);
_clutter_input_device_add_slave (master, slave);
send_changed = TRUE;
XIFreeDeviceInfo (info);
}
if (send_changed)
{
ClutterStage *stage = _clutter_input_device_get_stage (master);
if (stage != NULL)
_clutter_stage_x11_events_device_changed (CLUTTER_STAGE_X11 (_clutter_stage_get_window (stage)),
master,
CLUTTER_DEVICE_MANAGER (manager_xi2));
}
}
}
}

34
clutter/x11/clutter-stage-x11.c
View File

@ -538,6 +538,37 @@ clutter_stage_x11_set_fullscreen (ClutterStageWindow *stage_window,
* queue a relayout etc. */
}
void
_clutter_stage_x11_events_device_changed (ClutterStageX11 *stage_x11,
ClutterInputDevice *device,
ClutterDeviceManager *device_manager)
{
ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_x11);
int event_flags = 0;
if (clutter_input_device_get_device_mode (device) == CLUTTER_INPUT_MODE_FLOATING)
event_flags = CLUTTER_STAGE_X11_EVENT_MASK;
_clutter_device_manager_select_stage_events (device_manager,
stage_cogl->wrapper,
event_flags);
}
static void
stage_events_device_added (ClutterDeviceManager *device_manager,
ClutterInputDevice *device,
gpointer user_data)
{
ClutterStageWindow *stage_window = user_data;
ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_window);
int event_flags = CLUTTER_STAGE_X11_EVENT_MASK;
if (clutter_input_device_get_device_mode (device) == CLUTTER_INPUT_MODE_FLOATING)
_clutter_device_manager_select_stage_events (device_manager,
stage_cogl->wrapper,
event_flags);
}
static gboolean
clutter_stage_x11_realize (ClutterStageWindow *stage_window)
{
@ -625,6 +656,9 @@ clutter_stage_x11_realize (ClutterStageWindow *stage_window)
stage_cogl->wrapper,
event_flags);
g_signal_connect (device_manager, "device-added",
G_CALLBACK (stage_events_device_added), stage_window);
clutter_stage_x11_fix_window_size (stage_x11,
stage_x11->xwin_width,
stage_x11->xwin_height);

3
clutter/x11/clutter-stage-x11.h
View File

@ -92,6 +92,9 @@ GType _clutter_stage_x11_get_type (void) G_GNUC_CONST;
void _clutter_stage_x11_update_foreign_event_mask (CoglOnscreen *onscreen,
guint32 event_mask,
void *user_data);
void _clutter_stage_x11_events_device_changed (ClutterStageX11 *stage_x11,
ClutterInputDevice *device,
ClutterDeviceManager *device_manager);
/* Private to subclasses */
void _clutter_stage_x11_set_user_time (ClutterStageX11 *stage_x11,