From: Enlightenment S. <no-...@en...> - 2010-10-05 19:10:13
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Log: List with keyboard scroller Author: Helen Fornazier <hel...@pr...> Keys: up kp_up down kp_down left kp_left right kp_right Page Up Page Down Home End p.s.: kp = key pad Author: tiago Date: 2010-10-05 12:10:03 -0700 (Tue, 05 Oct 2010) New Revision: 53076 Modified: trunk/TMP/st/elementary/src/lib/elm_list.c Modified: trunk/TMP/st/elementary/src/lib/elm_list.c =================================================================== --- trunk/TMP/st/elementary/src/lib/elm_list.c 2010-10-05 19:10:00 UTC (rev 53075) +++ trunk/TMP/st/elementary/src/lib/elm_list.c 2010-10-05 19:10:03 UTC (rev 53076) @@ -57,6 +57,8 @@ static void _mouse_down(void *data, Evas *evas, Evas_Object *obj, void *event_info); static void _mouse_up(void *data, Evas *evas, Evas_Object *obj, void *event_info); static void _mouse_move(void *data, Evas *evas, Evas_Object *obj, void *event_info); +static Eina_Bool _event_hook(Evas_Object *obj, Evas_Object *src, + Evas_Callback_Type type, void *event_info); #define ELM_LIST_ITEM_CHECK_DELETED_RETURN(it, ...) \ if (!it) \ @@ -101,6 +103,82 @@ elm_widget_item_del(it); } +static Eina_Bool +_event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info) +{ + if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE; + Evas_Event_Key_Down *ev = event_info; + Widget_Data *wd = elm_widget_data_get(obj); + if (!wd) return EINA_FALSE; + if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE; + if (elm_widget_disabled_get(obj)) return EINA_FALSE; + + Elm_List_Item *it = NULL; + Evas_Coord x = 0; + Evas_Coord y = 0; + Evas_Coord step_x = 0; + Evas_Coord step_y = 0; + Evas_Coord v_w = 0; + Evas_Coord v_h = 0; + Evas_Coord page_x = 0; + Evas_Coord page_y = 0; + + elm_smart_scroller_child_pos_get(wd->scr, &x, &y); + elm_smart_scroller_step_size_get(wd->scr, &step_x, &step_y); + elm_smart_scroller_page_size_get(wd->scr, &page_x, &page_y); + elm_smart_scroller_child_viewport_size_get(wd->scr, &v_w, &v_h); + + if (!strcmp(ev->keyname, "Left") || !strcmp(ev->keyname, "KP_Left")) + { + x -= step_x; + } + else if (!strcmp(ev->keyname, "Right") || !strcmp(ev->keyname, "KP_Right")) + { + x += step_x; + } + else if (!strcmp(ev->keyname, "Up") || !strcmp(ev->keyname, "KP_Up")) + { + y -= step_y; + } + else if (!strcmp(ev->keyname, "Down") || !strcmp(ev->keyname, "KP_Down")) + { + y += step_y; + } + else if (!strcmp(ev->keyname, "Home")) + { + it = eina_list_data_get(wd->items); + elm_list_item_show(it); + ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD; + return EINA_TRUE; + } + else if (!strcmp(ev->keyname, "End")) + { + it = eina_list_data_get(eina_list_last(wd->items)); + elm_list_item_show(it); + ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD; + return EINA_TRUE; + } + else if (!strcmp(ev->keyname, "Prior")) + { + if (page_y < 0) + y -= -(page_y * v_h) / 100; + else + y -= page_y; + } + else if (!strcmp(ev->keyname, "Next")) + { + if (page_y < 0) + y += -(page_y * v_h) / 100; + else + y += page_y; + } + else return EINA_FALSE; + + ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD; + elm_smart_scroller_child_pos_set(wd->scr, x, y); + return EINA_TRUE; +} + static void _elm_list_process_deletions(Widget_Data *wd) { @@ -805,6 +883,7 @@ elm_widget_signal_emit_hook_set(obj, _signal_emit_hook); elm_widget_signal_callback_add_hook_set(obj, _signal_callback_add_hook); elm_widget_signal_callback_del_hook_set(obj, _signal_callback_del_hook); + elm_widget_event_hook_set(obj, _event_hook); wd->scr = elm_smart_scroller_add(e); elm_smart_scroller_widget_set(wd->scr, obj); |