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elm_panel: prevent redundant callback function addition or deletion 

there is a need to check if callback functions already exist or not
before adding or deleting them, because they are added or deleted
at two points:
in _elm_panel_scrollable_set() and _elm_panel_elm_widget_disable().
This commit is contained in:
Jaeun Choi 2018-01-16 13:19:36 +09:00
parent 631eb3701d
commit 65b828b050
2 changed files with 20 additions and 8 deletions
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27
src/lib/elementary/elm_panel.c
View File

@ -1227,7 +1227,7 @@ _elm_panel_efl_ui_widget_on_disabled_update(Eo *obj, Elm_Panel_Data *sd, Eina_Bo
if (sd->scrollable)
{
if (disabled)
if (disabled && sd->callback_added)
{
evas_object_event_callback_del(obj, EVAS_CALLBACK_MOUSE_DOWN,
_on_mouse_down);
@ -1237,8 +1237,10 @@ _elm_panel_efl_ui_widget_on_disabled_update(Eo *obj, Elm_Panel_Data *sd, Eina_Bo
_on_mouse_up);
evas_object_event_callback_del(sd->scr_event, EVAS_CALLBACK_MOUSE_UP,
_event_mouse_up);
sd->callback_added = EINA_FALSE;
}
else
else if (!disabled && !sd->callback_added)
{
evas_object_event_callback_add(obj, EVAS_CALLBACK_MOUSE_DOWN,
_on_mouse_down, sd);
@ -1248,6 +1250,8 @@ _elm_panel_efl_ui_widget_on_disabled_update(Eo *obj, Elm_Panel_Data *sd, Eina_Bo
_on_mouse_up, sd);
evas_object_event_callback_add(sd->scr_event, EVAS_CALLBACK_MOUSE_UP,
_event_mouse_up, obj);
sd->callback_added = EINA_TRUE;
}
}
@ -1370,7 +1374,7 @@ _elm_panel_scrollable_set(Eo *obj, Elm_Panel_Data *sd, Eina_Bool scrollable)
elm_interface_scrollable_single_direction_set
(obj, ELM_SCROLLER_SINGLE_DIRECTION_NONE);
if (!elm_widget_disabled_get(obj))
if (!elm_widget_disabled_get(obj) && !sd->callback_added)
{
evas_object_event_callback_add(obj, EVAS_CALLBACK_MOUSE_DOWN,
_on_mouse_down, sd);
@ -1380,6 +1384,8 @@ _elm_panel_scrollable_set(Eo *obj, Elm_Panel_Data *sd, Eina_Bool scrollable)
_on_mouse_up, sd);
evas_object_event_callback_add(sd->scr_event, EVAS_CALLBACK_MOUSE_UP,
_event_mouse_up, obj);
sd->callback_added = EINA_TRUE;
}
}
@ -1387,11 +1393,16 @@ _elm_panel_scrollable_set(Eo *obj, Elm_Panel_Data *sd, Eina_Bool scrollable)
{
elm_interface_scrollable_content_set(obj, NULL);
evas_object_event_callback_del(obj, EVAS_CALLBACK_MOUSE_DOWN, _on_mouse_down);
evas_object_event_callback_del(obj, EVAS_CALLBACK_MOUSE_MOVE, _on_mouse_move);
evas_object_event_callback_del(obj, EVAS_CALLBACK_MOUSE_UP, _on_mouse_up);
evas_object_event_callback_del(sd->scr_event, EVAS_CALLBACK_MOUSE_UP,
_event_mouse_up);
if (sd->callback_added)
{
evas_object_event_callback_del(obj, EVAS_CALLBACK_MOUSE_DOWN, _on_mouse_down);
evas_object_event_callback_del(obj, EVAS_CALLBACK_MOUSE_MOVE, _on_mouse_move);
evas_object_event_callback_del(obj, EVAS_CALLBACK_MOUSE_UP, _on_mouse_up);
evas_object_event_callback_del(sd->scr_event, EVAS_CALLBACK_MOUSE_UP,
_event_mouse_up);
sd->callback_added = EINA_FALSE;
}
elm_widget_resize_object_set(obj, NULL);
elm_widget_sub_object_add(obj, sd->scr_edje);

1
src/lib/elementary/elm_widget_panel.h
View File

@ -46,6 +46,7 @@ struct _Elm_Panel_Data
Eina_Bool delete_me : 1;
Eina_Bool scrollable : 1;
Eina_Bool freeze: 1;
Eina_Bool callback_added: 1;
};
/**