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event-controller: Use "scale" to refer to the current value in the zoom-controller

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This changed both the emitted signal and the getter

Signed-off-by: Carlos Garnacho <carlos@lanedo.com>
Acked-by: Simon Schampijer <simon@laptop.org>
This commit is contained in:
Carlos Garnacho 2012-09-13 14:37:18 +02:00 committed by Simon Schampijer
parent aa652b8754
commit 1a0ddf4d54
2 changed files with 19 additions and 19 deletions
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26
src/sugar3/event-controller/sugar-zoom-controller.c
View File

@ -106,7 +106,7 @@ _sugar_zoom_controller_check_emit (SugarZoomController *controller)
return FALSE;
zoom = distance / priv->initial_distance;
g_signal_emit (controller, signals[ZOOM_CHANGED], 0, zoom);
g_signal_emit (controller, signals[SCALE_CHANGED], 0, zoom);
return TRUE;
}
@ -161,15 +161,15 @@ sugar_zoom_controller_class_init (SugarZoomControllerClass *klass)
controller_class->updated = sugar_zoom_controller_updated;
/**
* SugarZoomController::zoom-changed:
* SugarZoomController::scale-changed:
* @controller: the object on which the signal is emitted
* @delta: Difference with the starting zooming state
* @scale: Difference with the starting zooming state
*/
signals[ZOOM_CHANGED] =
g_signal_new ("zoom-changed",
signals[SCALE_CHANGED] =
g_signal_new ("scale-changed",
SUGAR_TYPE_ZOOM_CONTROLLER,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (SugarZoomControllerClass, zoom_changed),
G_STRUCT_OFFSET (SugarZoomControllerClass, scale_changed),
NULL, NULL,
g_cclosure_marshal_VOID__DOUBLE,
G_TYPE_NONE, 1,
@ -185,20 +185,20 @@ sugar_zoom_controller_new (void)
}
/**
* sugar_zoom_controller_get_zoom_delta:
* sugar_zoom_controller_get_scale_delta:
* @controller: a #SugarZoomController
* @delta: (out) (transfer none): zoom delta
* @scale: (out) (transfer none): zoom delta
*
* If @controller is on state %SUGAR_EVENT_CONTROLLER_STATE_RECOGNIZED,
* this function returns %TRUE and fills in @delta with the zooming
* this function returns %TRUE and fills in @scale with the zooming
* difference since the gesture was recognized (hence the starting point
* is considered 1x).
*
* Returns: %TRUE if @controller is recognizing a zoom gesture
**/
gboolean
sugar_zoom_controller_get_zoom_delta (SugarZoomController *controller,
gdouble *delta)
sugar_zoom_controller_get_scale_delta (SugarZoomController *controller,
gdouble *scale)
{
SugarZoomControllerPriv *priv;
gdouble distance;
@ -210,8 +210,8 @@ sugar_zoom_controller_get_zoom_delta (SugarZoomController *controller,
priv = controller->_priv;
if (delta)
*delta = distance / priv->initial_distance;
if (scale)
*scale = distance / priv->initial_distance;
return TRUE;
}

8
src/sugar3/event-controller/sugar-zoom-controller.h
View File

@ -51,14 +51,14 @@ struct _SugarZoomControllerClass
{
SugarTouchControllerClass parent_class;
void (* zoom_changed) (SugarZoomController *controller,
gdouble zoom);
void (* scale_changed) (SugarZoomController *controller,
gdouble scale);
};
GType sugar_zoom_controller_get_type (void) G_GNUC_CONST;
SugarEventController * sugar_zoom_controller_new (void);
gboolean sugar_zoom_controller_get_zoom_delta (SugarZoomController *controller,
gdouble *delta);
gboolean sugar_zoom_controller_get_scale_delta (SugarZoomController *controller,
gdouble *scale);
G_END_DECLS