Elm glayer: Added doc to recent fix

Signed-off-by: Aharon Hillel <a.hillel@partner.samsung.com>
git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/elementary@64951 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

diff --git a/src/lib/elm_gesture_layer.c b/src/lib/elm_gesture_layer.c
index 55bd73d..ac2885f 100644 (file)
--- a/src/lib/elm_gesture_layer.c
+++ b/src/lib/elm_gesture_layer.c
@@ -1716,6 +1716,12 @@ _momentum_test(Evas_Object *obj, Pointer_Event *pe,
    Gesture_Info *gesture = wd->gesture[g_type];
    if (!gesture ) return;
 
+   /* When continues enable = TRUE a gesture may START on MOVE event */
+   /* We don't allow this to happen with the if-statement below.     */
+   /* When continues enable = FALSE a gesture may START on DOWN only */
+   /* Therefor it would NOT start on MOVE event.                     */
+   /* NOTE that touched list is updated AFTER this function returns  */
+   /* so (count == 0) when we get here on first touch on surface.    */
    if ((wd->glayer_continues_enable) && (!eina_list_count(wd->touched)))
      return; /* Got move on mouse-over move */
 
@@ -1967,6 +1973,12 @@ _n_line_test(Evas_Object *obj, Pointer_Event *pe, void *event_info,
    Gesture_Info *gesture = wd->gesture[g_type];
    if (!gesture ) return;
 
+   /* When continues enable = TRUE a gesture may START on MOVE event */
+   /* We don't allow this to happen with the if-statement below.     */
+   /* When continues enable = FALSE a gesture may START on DOWN only */
+   /* Therefor it would NOT start on MOVE event.                     */
+   /* NOTE that touched list is updated AFTER this function returns  */
+   /* so (count == 0) when we get here on first touch on surface.    */
    if ((wd->glayer_continues_enable) && (!eina_list_count(wd->touched)))
      return; /* Got move on mouse-over move */