From 6e782c17025174d0321d270e63054873d367103e Mon Sep 17 00:00:00 2001 From: Jihoon Kim Date: Tue, 4 Jan 2011 08:45:27 +0000 Subject: [PATCH] From: Jihoon Kim Subject: [E-devel] elm_map patch for supporting keyboard input Most of elementary widgets can process keyboard input, but elm_map widget has not. This patch makes elm_map be able to process keyboard input such as Left, Right, Up, Down, PgDn, and PgUp key. In addition, map image will be zoomed in or out when '+' or '-' key in keypad. Please review it and let me know if there is any problem in this patch. Merry Christmas! SVN revision: 55840 --- legacy/elementary/AUTHORS | 1 + legacy/elementary/src/lib/elm_map.c | 81 +++++++++++++++++++++++++++++ 2 files changed, 82 insertions(+) diff --git a/legacy/elementary/AUTHORS b/legacy/elementary/AUTHORS index 05c8c13a70..f0a18d38a1 100644 --- a/legacy/elementary/AUTHORS +++ b/legacy/elementary/AUTHORS @@ -32,3 +32,4 @@ Sangho Park Rajeev Ranjan (Rajeev) Seunggyun Kim Sohyun Kim +Jihoon Kim diff --git a/legacy/elementary/src/lib/elm_map.c b/legacy/elementary/src/lib/elm_map.c index 0b619d42e7..97c568cab6 100644 --- a/legacy/elementary/src/lib/elm_map.c +++ b/legacy/elementary/src/lib/elm_map.c @@ -303,6 +303,8 @@ static void _theme_hook(Evas_Object *obj); static void _on_focus_hook(void *data, Evas_Object *obj); static void _sizing_eval(Evas_Object *obj); static void _calc_job(void *data); +static Eina_Bool _event_hook(Evas_Object *obj, Evas_Object *src, + Evas_Callback_Type type, void *event_info); static void grid_place(Evas_Object *obj, Grid *g, Evas_Coord px, Evas_Coord py, Evas_Coord ox, Evas_Coord oy, Evas_Coord ow, Evas_Coord oh); static void grid_clear(Evas_Object *obj, Grid *g); static Grid *grid_create(Evas_Object *obj); @@ -1687,6 +1689,84 @@ _group_open_cb(void *data, Evas_Object *obj __UNUSED__, const char *emission __U _group_bubble_create(group); } +static Eina_Bool +_event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info) +{ + double zoom; + 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; + + 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; + + 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, "Prior")) || (!strcmp(ev->keyname, "KP_Prior"))) + { + if (page_y < 0) + y -= -(page_y * v_h) / 100; + else + y -= page_y; + } + else if ((!strcmp(ev->keyname, "Next")) || (!strcmp(ev->keyname, "KP_Next"))) + { + if (page_y < 0) + y += -(page_y * v_h) / 100; + else + y += page_y; + } + else if (!strcmp(ev->keyname, "KP_Add")) + { + zoom = elm_map_zoom_get(obj); + zoom += 1; + elm_map_zoom_mode_set(obj, ELM_MAP_ZOOM_MODE_MANUAL); + elm_map_zoom_set(obj, zoom); + return EINA_TRUE; + } + else if (!strcmp(ev->keyname, "KP_Subtract")) + { + zoom = elm_map_zoom_get(obj); + zoom -= 1; + elm_map_zoom_mode_set(obj, ELM_MAP_ZOOM_MODE_MANUAL); + elm_map_zoom_set(obj, zoom); + return EINA_TRUE; + } + 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 int idnum = 1; /** @@ -1728,6 +1808,7 @@ elm_map_add(Evas_Object *parent) elm_widget_del_pre_hook_set(obj, _del_pre_hook); elm_widget_theme_hook_set(obj, _theme_hook); elm_widget_can_focus_set(obj, EINA_TRUE); + elm_widget_event_hook_set(obj, _event_hook); wd->scr = elm_smart_scroller_add(e); elm_smart_scroller_widget_set(wd->scr, obj);