sugarlabs/sugar-toolkit-gtk3
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gestures: Add remove() call to SugarGestureGrabber

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Signed-off-by: Carlos Garnacho <carlos@lanedo.com>
Acked-by: Simon Schampijer <simon@laptop.org>
This commit is contained in:
Carlos Garnacho 2012-10-08 12:09:20 +02:00 committed by Simon Schampijer
parent 31d6e6dd1e
commit c546aaaf7c
2 changed files with 55 additions and 0 deletions
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53
src/sugar3/sugar-gesture-grabber.c
View File

@ -366,6 +366,32 @@ sugar_gesture_grabber_new (void)
return g_object_new (SUGAR_TYPE_GESTURE_GRABBER, NULL);
}
static ControllerData *
_sugar_gesture_grabber_find_controller (SugarGestureGrabber *grabber,
SugarEventController *controller,
gint *pos)
{
SugarGestureGrabberPriv *priv;
guint i;
priv = grabber->_priv;
for (i = 0; i < priv->controllers->len; i++) {
ControllerData *data;
data = &g_array_index (priv->controllers, ControllerData, i);
if (data->controller == controller) {
if (pos)
*pos = i;
return data;
}
}
return NULL;
}
void
sugar_gesture_grabber_add (SugarGestureGrabber *grabber,
SugarEventController *controller,
@ -377,9 +403,36 @@ sugar_gesture_grabber_add (SugarGestureGrabber *grabber,
g_return_if_fail (SUGAR_IS_GESTURE_GRABBER (grabber));
g_return_if_fail (SUGAR_IS_EVENT_CONTROLLER (controller));
if (_sugar_gesture_grabber_find_controller (grabber, controller, NULL)) {
g_warning ("Controller is already on the gesture grabber"
" list. Controllers can only be added once.");
return;
}
priv = grabber->_priv;
data.controller = g_object_ref (controller);
data.rect = *rect;
g_array_append_val (priv->controllers, data);
}
void
sugar_gesture_grabber_remove (SugarGestureGrabber *grabber,
SugarEventController *controller)
{
SugarGestureGrabberPriv *priv;
ControllerData *data;
gint pos;
g_return_if_fail (SUGAR_IS_GESTURE_GRABBER (grabber));
g_return_if_fail (SUGAR_IS_EVENT_CONTROLLER (controller));
priv = grabber->_priv;
data = _sugar_gesture_grabber_find_controller (grabber, controller, &pos);
if (data) {
g_array_remove_index_fast (priv->controllers, pos);
sugar_event_controller_reset (data->controller);
g_object_unref (data->controller);
}
}

2
src/sugar3/sugar-gesture-grabber.h
View File

@ -51,6 +51,8 @@ SugarGestureGrabber * sugar_gesture_grabber_new (void);
void sugar_gesture_grabber_add (SugarGestureGrabber *grabber,
SugarEventController *controller,
const GdkRectangle *rect);
void sugar_gesture_grabber_remove (SugarGestureGrabber *grabber,
SugarEventController *controller);
G_END_DECLS