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elm_scroller: scroll to a focused element

This commit is contained in:
Marcel Hollerbach 2017-10-19 14:02:46 +02:00
parent 3184e0f550
commit 8d20422e8b
1 changed files with 29 additions and 1 deletions
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30
src/lib/elementary/elm_scroller.c
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@ -851,6 +851,34 @@ elm_scroller_add(Evas_Object *parent)
return efl_add(MY_CLASS, parent, efl_canvas_object_legacy_ctor(efl_added));
}
static void
_focused_element(void *data, const Efl_Event *event)
{
Eina_Rect geom;
Efl_Ui_Focus_Object *obj = data;
Efl_Ui_Focus_Object *focus = event->info;
Elm_Scrollable_Smart_Interface_Data *pd;
Eina_Position2D pos;
int pan_x, pan_y;
pd = efl_data_scope_get(obj, ELM_INTERFACE_SCROLLABLE_MIXIN);
if (!focus) return;
geom = efl_ui_focus_object_focus_geometry_get(focus);
pos = efl_gfx_position_get(obj);
elm_obj_pan_pos_get(pd->pan_obj, &pan_x, &pan_y);
geom.x = geom.x + pan_x - pos.x;
geom.y = geom.y + pan_y - pos.y;
elm_interface_scrollable_region_bring_in(obj, geom.x, geom.y, geom.w, geom.h);
geom = efl_gfx_geometry_get(obj);
geom.x = geom.y = 0;
elm_widget_show_region_set(obj, geom, EINA_TRUE);
}
EOLIAN static Eo *
_elm_scroller_efl_object_constructor(Eo *obj, Elm_Scroller_Data *_pd EINA_UNUSED)
{
@ -858,7 +886,7 @@ _elm_scroller_efl_object_constructor(Eo *obj, Elm_Scroller_Data *_pd EINA_UNUSED
efl_canvas_object_type_set(obj, MY_CLASS_NAME_LEGACY);
evas_object_smart_callbacks_descriptions_set(obj, _smart_callbacks);
efl_access_role_set(obj, EFL_ACCESS_ROLE_SCROLL_PANE);
efl_event_callback_add(obj, EFL_UI_FOCUS_MANAGER_EVENT_FOCUSED, _focused_element, obj);
return obj;
}