1 #include <Elementary.h>
5 * @defgroup File_Selector_Button File Selector Button
8 * A button that, when clicked, creates an Elementary window (or inner
9 * window) with an Elementary File Selector within. When a file is
10 * chosen, the (inner) window is closed and the selected file is
11 * exposed as an evas_object_smart_callback_call() of the button.
14 typedef struct _Widget_Data Widget_Data;
18 Evas_Object *btn, *icon, *fs;
19 const char *window_title;
20 const char *btn_label;
24 Eina_Bool expandable:1;
25 Eina_Bool folder_only:1;
28 Eina_Bool inwin_mode:1;
31 static const char DEFAULT_WINDOW_TITLE[] = "Select a file";
33 static const char *widtype = NULL;
34 static void _del_hook(Evas_Object *obj);
35 static void _theme_hook(Evas_Object *obj);
36 static void _disable_hook(Evas_Object *obj);
37 static void _sizing_eval(Evas_Object *obj);
38 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
39 static void _sub_del(void *data, Evas_Object *obj, void *event_info);
40 static void _signal_clicked(void *data, Evas_Object *obj, const char *emission, const char *source);
41 static void _signal_pressed(void *data, Evas_Object *obj, const char *emission, const char *source);
42 static void _signal_unpressed(void *data, Evas_Object *obj, const char *emission, const char *source);
43 static void _on_focus_hook(void *data, Evas_Object *obj);
44 static void _selection_done(void *data, Evas_Object *obj, void *event_info);
46 static const char SIG_CLICKED[] = "clicked";
47 static const char SIG_UNPRESSED[] = "unpressed";
48 static const char SIG_FILE_CHOSEN[] = "file,chosen";
49 static const Evas_Smart_Cb_Description _signals[] =
53 {SIG_FILE_CHOSEN, "s"},
58 _del_hook(Evas_Object *obj)
63 wd = elm_widget_data_get(obj);
66 if (wd->btn_label) eina_stringshare_del(wd->btn_label);
67 if (wd->window_title) eina_stringshare_del(wd->window_title);
68 if (wd->fsd.path) eina_stringshare_del(wd->fsd.path);
71 win = evas_object_data_del(obj, "win");
78 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
80 Widget_Data *wd = elm_widget_data_get(obj);
82 if (elm_widget_focus_get(obj))
84 edje_object_signal_emit(wd->btn, "elm,action,focus", "elm");
85 evas_object_focus_set(wd->btn, 1);
89 edje_object_signal_emit(wd->btn, "elm,action,unfocus", "elm");
90 evas_object_focus_set(wd->btn, 0);
95 _theme_hook(Evas_Object *obj)
97 Widget_Data *wd = elm_widget_data_get(obj);
99 _elm_theme_object_set(obj, wd->btn, "button", "base", elm_widget_style_get(obj));
101 edje_object_part_swallow(wd->btn, "elm.swallow.content", wd->icon);
103 edje_object_signal_emit(wd->btn, "elm,state,text,visible", "elm");
105 edje_object_signal_emit(wd->btn, "elm,state,text,hidden", "elm");
107 edje_object_signal_emit(wd->btn, "elm,state,icon,visible", "elm");
109 edje_object_signal_emit(wd->btn, "elm,state,icon,hidden", "elm");
110 edje_object_part_text_set(wd->btn, "elm.text", wd->btn_label);
111 edje_object_message_signal_process(wd->btn);
112 edje_object_scale_set(wd->btn,
113 elm_widget_scale_get(obj) * _elm_config->scale);
118 _disable_hook(Evas_Object *obj)
120 Widget_Data *wd = elm_widget_data_get(obj);
122 if (elm_widget_disabled_get(obj))
123 edje_object_signal_emit(wd->btn, "elm,state,disabled", "elm");
125 edje_object_signal_emit(wd->btn, "elm,state,enabled", "elm");
129 _sizing_eval(Evas_Object *obj)
131 Widget_Data *wd = elm_widget_data_get(obj);
132 Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
135 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
136 edje_object_size_min_restricted_calc(wd->btn, &minw, &minh, minw, minh);
137 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
138 evas_object_size_hint_min_set(obj, minw, minh);
139 evas_object_size_hint_max_set(obj, maxw, maxh);
143 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
145 Widget_Data *wd = elm_widget_data_get(data);
147 if (obj != wd->icon) return;
152 _sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
154 Widget_Data *wd = elm_widget_data_get(obj);
155 Evas_Object *sub = event_info;
159 edje_object_signal_emit(wd->btn, "elm,state,icon,hidden", "elm");
160 evas_object_event_callback_del_full(sub,
161 EVAS_CALLBACK_CHANGED_SIZE_HINTS,
162 _changed_size_hints, obj);
164 edje_object_message_signal_process(wd->btn);
170 _signal_clicked(void *data, Evas_Object *obj, const char *emission, const char *source)
172 Widget_Data *wd = elm_widget_data_get(data);
175 evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
177 /* safe guard when the theme does not emit the 'unpress' signal */
178 _signal_unpressed(data, obj, emission, source);
182 _parent_win_get(Evas_Object *obj)
186 ret = elm_object_parent_widget_get(obj);
187 if (!ret) return NULL;
189 if (strcmp(elm_widget_type_get(ret), "win") != 0)
191 DBG("Widget type (%s) is not \"win\", going up\n",
192 elm_widget_type_get(ret));
193 return _parent_win_get(ret);
200 _new_window_add(Widget_Data *wd)
202 Evas_Object *win, *bg;
204 win = elm_win_add(NULL, "fileselector_button", ELM_WIN_DIALOG_BASIC);
205 elm_win_title_set(win, wd->window_title);
206 elm_win_autodel_set(win, EINA_TRUE);
208 bg = elm_bg_add(win);
209 elm_win_resize_object_add(win, bg);
210 evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
211 evas_object_show(bg);
213 evas_object_resize(win, wd->w, wd->h);
218 _fs_launch(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
220 Evas_Object *fs_btn, *win = NULL, *iw = NULL;
221 Eina_Bool win_fallback;
225 wd = elm_widget_data_get(fs_btn);
230 win_fallback = EINA_FALSE;
233 win = _parent_win_get(fs_btn);
237 ERR("No elementary window found as parent of the file selector "
238 "button! Launching the file selector inside a new elementary"
240 win_fallback = EINA_TRUE;
244 iw = elm_win_inwin_add(win);
245 evas_object_data_set(fs_btn, "win", iw);
249 if ((!wd->inwin_mode) || (win_fallback))
251 win = _new_window_add(wd);
252 evas_object_data_set(fs_btn, "win", win);
255 wd->fs = elm_fileselector_add(win);
256 elm_fileselector_expandable_set(wd->fs, wd->fsd.expandable);
257 elm_fileselector_folder_only_set(wd->fs, wd->fsd.folder_only);
258 elm_fileselector_is_save_set(wd->fs, wd->fsd.is_save);
259 elm_fileselector_selected_set(wd->fs, wd->fsd.path);
260 evas_object_size_hint_weight_set(wd->fs, EVAS_HINT_EXPAND,
262 evas_object_size_hint_align_set(wd->fs, EVAS_HINT_FILL, EVAS_HINT_FILL);
263 evas_object_smart_callback_add(wd->fs, "done", _selection_done, fs_btn);
264 evas_object_show(wd->fs);
266 if ((wd->inwin_mode) && (!win_fallback))
268 elm_win_inwin_content_set(iw, wd->fs);
269 elm_win_inwin_activate(iw);
273 elm_win_resize_object_add(win, wd->fs);
274 evas_object_show(win);
279 _selection_done(void *data, Evas_Object *obj __UNUSED__, void *event_info)
281 Evas_Object *fs_btn, *win;
288 wd = elm_widget_data_get(fs_btn);
291 win = evas_object_data_del(fs_btn, "win");
293 evas_object_smart_callback_call(fs_btn, SIG_FILE_CHOSEN, event_info);
294 if (file) eina_stringshare_replace(&wd->fsd.path, file);
297 evas_object_del(win);
301 _signal_pressed(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
303 Widget_Data *wd = elm_widget_data_get(data);
308 _signal_unpressed(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
310 Widget_Data *wd = elm_widget_data_get(data);
312 evas_object_smart_callback_call(data, SIG_UNPRESSED, NULL);
316 * Add a new file selector button into the parent object.
318 * @param parent The parent object
319 * @return The new object or NULL if it cannot be created
321 * @ingroup File_Selector_Button
324 elm_fileselector_button_add(Evas_Object *parent)
330 wd = ELM_NEW(Widget_Data);
331 wd->window_title = eina_stringshare_add(DEFAULT_WINDOW_TITLE);
332 wd->fsd.path = eina_stringshare_add(getenv("HOME"));
336 e = evas_object_evas_get(parent);
337 obj = elm_widget_add(e);
338 ELM_SET_WIDTYPE(widtype, "fileselector_button");
339 elm_widget_type_set(obj, "fileselector_button");
340 elm_widget_sub_object_add(parent, obj);
341 elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
342 elm_widget_data_set(obj, wd);
343 elm_widget_del_hook_set(obj, _del_hook);
344 elm_widget_theme_hook_set(obj, _theme_hook);
345 elm_widget_disable_hook_set(obj, _disable_hook);
346 elm_widget_can_focus_set(obj, 1);
348 wd->btn = edje_object_add(e);
349 _elm_theme_object_set(obj, wd->btn, "button", "base", "default");
350 edje_object_signal_callback_add(wd->btn, "elm,action,click", "",
351 _signal_clicked, obj);
352 edje_object_signal_callback_add(wd->btn, "elm,action,click", "",
354 edje_object_signal_callback_add(wd->btn, "elm,action,press", "",
355 _signal_pressed, obj);
356 edje_object_signal_callback_add(wd->btn, "elm,action,unpress", "",
357 _signal_unpressed, obj);
358 elm_widget_resize_object_set(obj, wd->btn);
360 evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
364 // TODO: convert Elementary to subclassing of Evas_Smart_Class
365 // TODO: and save some bytes, making descriptions per-class and not instance!
366 evas_object_smart_callbacks_descriptions_set(obj, _signals);
371 * Set the label used in the file selector button.
373 * @param obj The button object
374 * @param label The text label text to be displayed on the button
376 * @ingroup File_Selector_Button
379 elm_fileselector_button_label_set(Evas_Object *obj, const char *label)
381 ELM_CHECK_WIDTYPE(obj, widtype);
382 Widget_Data *wd = elm_widget_data_get(obj);
384 eina_stringshare_replace(&wd->btn_label, label);
386 edje_object_signal_emit(wd->btn, "elm,state,text,visible", "elm");
388 edje_object_signal_emit(wd->btn, "elm,state,text,hidden", "elm");
389 edje_object_message_signal_process(wd->btn);
390 edje_object_part_text_set(wd->btn, "elm.text", label);
395 elm_fileselector_button_label_get(const Evas_Object *obj)
397 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
398 Widget_Data *wd = elm_widget_data_get(obj);
399 if (!wd) return NULL;
400 return wd->btn_label;
404 * Set the path to start the button's file selector with, when clicked.
406 * @param obj The button object
407 * @param path Path to a file/directory
409 * Default path is "HOME" environment variable's value.
411 * @ingroup File_Selector_Button
414 elm_fileselector_button_selected_set(Evas_Object *obj, const char *path)
416 ELM_CHECK_WIDTYPE(obj, widtype);
417 Widget_Data *wd = elm_widget_data_get(obj);
419 eina_stringshare_replace(&wd->fsd.path, path);
423 * Get the <b>last</b> path which the button's file selector was set to.
425 * @param obj The button object
426 * @param path Path to a file/directory
428 * Default path is "HOME" environment variable's value.
430 * @ingroup File_Selector_Button
433 elm_fileselector_button_selected_get(const Evas_Object *obj)
435 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
436 Widget_Data *wd = elm_widget_data_get(obj);
437 if (!wd) return NULL;
442 * Set the title of the file selector button's window.
444 * @param obj The button object
445 * @param title The title string
447 * Note that it will only take any effect if the fileselector button
448 * not at "inwin mode".
450 * @ingroup File_Selector_Button
453 elm_fileselector_button_window_title_set(Evas_Object *obj, const char *title)
455 ELM_CHECK_WIDTYPE(obj, widtype);
456 Widget_Data *wd = elm_widget_data_get(obj);
458 eina_stringshare_replace(&wd->window_title, title);
462 * Get the title of the file selector button's window.
464 * @param obj The button object
466 * @ingroup File_Selector_Button
469 elm_fileselector_button_window_title_get(const Evas_Object *obj)
471 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
472 Widget_Data *wd = elm_widget_data_get(obj);
473 if (!wd) return NULL;
474 return wd->window_title;
478 * Set the size of the file selector button's window.
480 * @param obj The button object
481 * @param width The width
482 * @param height The height
484 * Note that it will only take any effect if the fileselector button not at
485 * "inwin mode". Default size for the window (when applicable) is 400x400.
487 * @ingroup File_Selector_Button
490 elm_fileselector_button_window_size_set(Evas_Object *obj, Evas_Coord width, Evas_Coord height)
492 ELM_CHECK_WIDTYPE(obj, widtype);
493 Widget_Data *wd = elm_widget_data_get(obj);
500 * Get the size of the file selector button's window.
502 * @param obj The button object
503 * @param width Pointer into which to store the width value
504 * @param height Pointer into which to store the height value
506 * @ingroup File_Selector_Button
509 elm_fileselector_button_window_size_get(const Evas_Object *obj, Evas_Coord *width, Evas_Coord *height)
511 ELM_CHECK_WIDTYPE(obj, widtype);
512 Widget_Data *wd = elm_widget_data_get(obj);
514 if (width) *width = wd->w;
515 if (height) *height = wd->h;
519 * Set the starting path of the file selector button's window.
521 * @param obj The button object
522 * @param path The path string
524 * It must be a <b>directory</b> path.
526 * @ingroup File_Selector_Button
529 elm_fileselector_button_path_set(Evas_Object *obj, const char *path)
531 ELM_CHECK_WIDTYPE(obj, widtype);
532 Widget_Data *wd = elm_widget_data_get(obj);
534 eina_stringshare_replace(&wd->fsd.path, path);
538 * Get the <b>last</b> path of the file selector button's window.
540 * @param obj The button object
542 * @ingroup File_Selector_Button
545 elm_fileselector_button_path_get(const Evas_Object *obj)
547 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
548 Widget_Data *wd = elm_widget_data_get(obj);
549 if (!wd) return NULL;
554 * Set whether the button's file selector is to present itself as an
555 * Elementary Generic List (which will expand its entries for nested
556 * directories) or as canonical list, which will be rendered again
557 * with the contents of each selected directory.
559 * @param obj The button object
560 * @param value The expandable flag
562 * @ingroup File_Selector_Button
565 elm_fileselector_button_expandable_set(Evas_Object *obj, Eina_Bool value)
567 ELM_CHECK_WIDTYPE(obj, widtype);
568 Widget_Data *wd = elm_widget_data_get(obj);
570 wd->fsd.expandable = value;
574 * Get the button's file selector expandable flag.
576 * @param obj The button object
577 * @return value The expandable flag
579 * @ingroup File_Selector_Button
582 elm_fileselector_button_expandable_get(const Evas_Object *obj)
584 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
585 Widget_Data *wd = elm_widget_data_get(obj);
586 if (!wd) return EINA_FALSE;
587 return wd->fsd.expandable;
591 * Set whether the button's file selector list is to display folders
592 * only or the directory contents, as well.
594 * @param obj The button object
595 * @param value The "folder only" flag
597 * @ingroup File_Selector_Button
600 elm_fileselector_button_folder_only_set(Evas_Object *obj, Eina_Bool value)
602 ELM_CHECK_WIDTYPE(obj, widtype);
603 Widget_Data *wd = elm_widget_data_get(obj);
605 wd->fsd.folder_only = value;
609 * Get the button's file selector "folder only" flag.
611 * @param obj The button object
612 * @return value The "folder only" flag
614 * @ingroup File_Selector_Button
617 elm_fileselector_button_folder_only_get(const Evas_Object *obj)
619 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
620 Widget_Data *wd = elm_widget_data_get(obj);
621 if (!wd) return EINA_FALSE;
622 return wd->fsd.folder_only;
626 * Set whether the button's file selector has an editable text entry
627 * which will hold its current selection.
629 * @param obj The button object
630 * @param value The "is save" flag
632 * @ingroup File_Selector_Button
635 elm_fileselector_button_is_save_set(Evas_Object *obj, Eina_Bool value)
637 ELM_CHECK_WIDTYPE(obj, widtype);
638 Widget_Data *wd = elm_widget_data_get(obj);
640 wd->fsd.is_save = value;
644 * Get the button's file selector "is save" flag.
646 * @param obj The button object
647 * @return value The "is save" flag
649 * @ingroup File_Selector_Button
652 elm_fileselector_button_is_save_get(const Evas_Object *obj)
654 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
655 Widget_Data *wd = elm_widget_data_get(obj);
656 if (!wd) return EINA_FALSE;
657 return wd->fsd.is_save;
661 * Set whether the button's file selector will raise an Elementary
662 * Inner Window, instead of a dedicated Elementary Window. By default,
665 * @param obj The button object
666 * @param value The "inwin mode" flag
668 * @ingroup File_Selector_Button
671 elm_fileselector_button_inwin_mode_set(Evas_Object *obj, Eina_Bool value)
673 ELM_CHECK_WIDTYPE(obj, widtype);
674 Widget_Data *wd = elm_widget_data_get(obj);
676 wd->inwin_mode = value;
680 * Get the button's file selector "inwin mode" flag.
682 * @param obj The button object
683 * @return value The "inwin mode" flag
685 * @ingroup File_Selector_Button
688 elm_fileselector_button_inwin_mode_get(const Evas_Object *obj)
690 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
691 Widget_Data *wd = elm_widget_data_get(obj);
692 if (!wd) return EINA_FALSE;
693 return wd->inwin_mode;
697 * Set the icon used for the button
699 * Once the icon object is set, a previously set one will be deleted.
701 * @param obj The button object
702 * @param icon The image for the button
704 * @ingroup File_Selector_Button
707 elm_fileselector_button_icon_set(Evas_Object *obj, Evas_Object *icon)
709 ELM_CHECK_WIDTYPE(obj, widtype);
710 Widget_Data *wd = elm_widget_data_get(obj);
712 if (wd->icon == icon) return;
713 if (wd->icon) evas_object_del(wd->icon);
717 elm_widget_sub_object_add(obj, icon);
718 evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
719 _changed_size_hints, obj);
720 edje_object_part_swallow(wd->btn, "elm.swallow.content", icon);
721 edje_object_signal_emit(wd->btn, "elm,state,icon,visible", "elm");
722 edje_object_message_signal_process(wd->btn);
728 * Get the icon used for the button
730 * @param obj The button object
731 * @return The image for the button
733 * @ingroup File_Selector_Button
736 elm_fileselector_button_icon_get(const Evas_Object *obj)
738 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
739 Widget_Data *wd = elm_widget_data_get(obj);
740 if (!wd) return NULL;