From ccfcd3ed74dde8ac2677ab826105cc2203b5677e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=EA=B9=80=EC=A7=80=ED=9B=88?= Date: Tue, 4 Jan 2011 10:09:48 +0000 Subject: [PATCH] =?UTF-8?q?From:=20=EA=B9=80=EC=A7=80=ED=9B=88=20?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit elm_photocam widget does not support keyboard input. This patch makes elm_photocam be able to process keyboard input such as Left, Right, Up, Down, PgDn, and PgUp key. In addition, image will be zoomed in or out when '+' or '-' key in keypad is pressed. Please review it and let me know if there is any problem in this patch. SVN revision: 55842 --- legacy/elementary/src/lib/elm_photocam.c | 88 ++++++++++++++++++++++++ 1 file changed, 88 insertions(+) diff --git a/legacy/elementary/src/lib/elm_photocam.c b/legacy/elementary/src/lib/elm_photocam.c index 868dbf5c89..78042ad662 100644 --- a/legacy/elementary/src/lib/elm_photocam.c +++ b/legacy/elementary/src/lib/elm_photocam.c @@ -143,6 +143,8 @@ static void _on_focus_hook(void *data, Evas_Object *obj); //static void _show_region_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 __UNUSED__, + 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); @@ -957,6 +959,91 @@ _scr_scroll(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__ evas_object_smart_callback_call(data, "scroll", NULL); } +static Eina_Bool +_event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, + Evas_Callback_Type type, void *event_info) +{ + double zoom; + 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; + + 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, "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_photocam_zoom_get(obj); + zoom -= 0.5; + elm_photocam_zoom_mode_set(obj, ELM_PHOTOCAM_ZOOM_MODE_MANUAL); + elm_photocam_zoom_set(obj, zoom); + return EINA_TRUE; + } + else if ((!strcmp(ev->keyname, "KP_Subtract"))) + { + zoom = elm_photocam_zoom_get(obj); + zoom += 0.5; + elm_photocam_zoom_mode_set(obj, ELM_PHOTOCAM_ZOOM_MODE_MANUAL); + elm_photocam_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; +} + /** * Add a new Photocam object * @@ -989,6 +1076,7 @@ elm_photocam_add(Evas_Object *parent) elm_widget_del_hook_set(obj, _del_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);