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gesturerotate: Just return a double in get_angle_delta()

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Whether the gesture is active or recognized should be checked before in
callers, or just not used naively.
This commit is contained in:
Carlos Garnacho
2014-05-26 14:29:17 +02:00
parent d05a9f9a7b
commit 8f7d5fb2c0
3 changed files with 10 additions and 17 deletions
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20
gtk/gtkgesturerotate.c
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@ -196,19 +196,16 @@ gtk_gesture_rotate_new (GtkWidget *widget)
/**
* gtk_gesture_rotate_get_angle_delta:
* @gesture: a #GtkGestureRotate
* @delta: (out) (transfer none): angle delta
*
* If @gesture is active, this function returns %TRUE and fills
* in @delta with the angle difference in radians since the
* gesture was first recognized.
* If @gesture is active, this function returns the angle difference
* in radians since the gesture was first recognized.
*
* Returns: %TRUE if @controller is recognizing a rotate gesture
* Returns: the angle delta in radians
*
* Since: 3.14
**/
gboolean
gtk_gesture_rotate_get_angle_delta (GtkGestureRotate *gesture,
gdouble *delta)
gdouble
gtk_gesture_rotate_get_angle_delta (GtkGestureRotate *gesture)
{
GtkGestureRotatePrivate *priv;
gdouble angle;
@ -216,12 +213,9 @@ gtk_gesture_rotate_get_angle_delta (GtkGestureRotate *gesture,
g_return_val_if_fail (GTK_IS_GESTURE_ROTATE (gesture), FALSE);
if (!_gtk_gesture_rotate_get_angle (gesture, &angle))
return FALSE;
return 0;
priv = gtk_gesture_rotate_get_instance_private (gesture);
if (delta)
*delta = angle - priv->initial_angle;
return TRUE;
return angle - priv->initial_angle;
}