gitscraper: support Python3.
[maemo-rb.git] / apps / menu.c
blobb813f03dcea156ae4b8d8c5ab5bc93caa87b9347
1 /***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
10 * Copyright (C) 2002 Robert E. Hak
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
22 2005 Kevin Ferrare :
23 - Multi screen support
24 - Rewrote/removed a lot of code now useless with the new gui API
26 #include <stdbool.h>
27 #include <stdlib.h>
28 #include "config.h"
29 #include "system.h"
31 #include "appevents.h"
32 #include "lcd.h"
33 #include "font.h"
34 #include "file.h"
35 #include "menu.h"
36 #include "button.h"
37 #include "kernel.h"
38 #include "debug.h"
39 #include "usb.h"
40 #include "panic.h"
41 #include "settings.h"
42 #include "settings_list.h"
43 #include "option_select.h"
44 #include "screens.h"
45 #include "talk.h"
46 #include "lang.h"
47 #include "misc.h"
48 #include "action.h"
49 #include "menus/exported_menus.h"
50 #include "string.h"
51 #include "root_menu.h"
52 #include "audio.h"
53 #include "viewport.h"
54 #include "quickscreen.h"
55 #include "shortcuts.h"
57 #ifdef HAVE_LCD_BITMAP
58 #include "icons.h"
59 #endif
61 /* gui api */
62 #include "list.h"
63 #include "buttonbar.h"
65 #define MAX_MENUS 8
66 /* used to allow for dynamic menus */
67 #define MAX_MENU_SUBITEMS 64
68 static struct menu_item_ex *current_submenus_menu;
69 static int current_subitems[MAX_MENU_SUBITEMS];
70 static int current_subitems_count = 0;
71 static int talk_menu_item(int selected_item, void *data);
73 static void get_menu_callback(const struct menu_item_ex *m,
74 menu_callback_type *menu_callback)
76 if (m->flags&(MENU_HAS_DESC|MENU_DYNAMIC_DESC))
77 *menu_callback= m->callback_and_desc->menu_callback;
78 else
79 *menu_callback = m->menu_callback;
82 static int get_menu_selection(int selected_item, const struct menu_item_ex *menu)
84 int type = (menu->flags&MENU_TYPE_MASK);
85 if ((type == MT_MENU || type == MT_RETURN_ID)
86 && (selected_item<current_subitems_count))
87 return current_subitems[selected_item];
88 return selected_item;
90 static int find_menu_selection(int selected)
92 int i;
93 for (i=0; i< current_subitems_count; i++)
94 if (current_subitems[i] == selected)
95 return i;
96 return 0;
98 static const char* get_menu_item_name(int selected_item,
99 void * data,
100 char *buffer,
101 size_t buffer_len)
103 const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
104 int type = (menu->flags&MENU_TYPE_MASK);
105 selected_item = get_menu_selection(selected_item, menu);
107 (void)buffer_len;
108 /* only MT_MENU or MT_RETURN_ID is allowed in here */
109 if (type == MT_RETURN_ID)
111 if (menu->flags&MENU_DYNAMIC_DESC)
112 return menu->menu_get_name_and_icon->list_get_name(selected_item,
113 menu->menu_get_name_and_icon->list_get_name_data, buffer);
114 return menu->strings[selected_item];
117 menu = menu->submenus[selected_item];
119 if ((menu->flags&MENU_DYNAMIC_DESC) && (type != MT_SETTING_W_TEXT))
120 return menu->menu_get_name_and_icon->list_get_name(selected_item,
121 menu->menu_get_name_and_icon->list_get_name_data, buffer);
123 type = (menu->flags&MENU_TYPE_MASK);
124 if ((type == MT_SETTING) || (type == MT_SETTING_W_TEXT))
126 const struct settings_list *v
127 = find_setting(menu->variable, NULL);
128 if (v)
129 return str(v->lang_id);
130 else return "Not Done yet!";
132 return P2STR(menu->callback_and_desc->desc);
134 #ifdef HAVE_LCD_BITMAP
135 static enum themable_icons menu_get_icon(int selected_item, void * data)
137 const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
138 int menu_icon = Icon_NOICON;
139 selected_item = get_menu_selection(selected_item, menu);
141 if ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID)
143 return Icon_Menu_functioncall;
145 menu = menu->submenus[selected_item];
146 if (menu->flags&MENU_HAS_DESC)
147 menu_icon = menu->callback_and_desc->icon_id;
148 else if (menu->flags&MENU_DYNAMIC_DESC)
149 menu_icon = menu->menu_get_name_and_icon->icon_id;
151 if (menu_icon == Icon_NOICON)
153 switch (menu->flags&MENU_TYPE_MASK)
155 case MT_SETTING:
156 case MT_SETTING_W_TEXT:
157 menu_icon = Icon_Menu_setting;
158 break;
159 case MT_MENU:
160 menu_icon = Icon_Submenu;
161 break;
162 case MT_FUNCTION_CALL:
163 case MT_RETURN_VALUE:
164 menu_icon = Icon_Menu_functioncall;
165 break;
168 return menu_icon;
170 #endif
172 static void init_menu_lists(const struct menu_item_ex *menu,
173 struct gui_synclist *lists, int selected, bool callback,
174 struct viewport parent[NB_SCREENS])
176 int i, count = MENU_GET_COUNT(menu->flags);
177 int type = (menu->flags&MENU_TYPE_MASK);
178 menu_callback_type menu_callback = NULL;
179 int icon;
180 current_subitems_count = 0;
182 if (type == MT_RETURN_ID)
183 get_menu_callback(menu, &menu_callback);
185 for (i=0; i<count; i++)
187 if (type != MT_RETURN_ID)
188 get_menu_callback(menu->submenus[i],&menu_callback);
189 if (menu_callback)
191 if (menu_callback(ACTION_REQUEST_MENUITEM,
192 type==MT_RETURN_ID ? (void*)(intptr_t)i: menu->submenus[i])
193 != ACTION_EXIT_MENUITEM)
195 current_subitems[current_subitems_count] = i;
196 current_subitems_count++;
199 else
201 current_subitems[current_subitems_count] = i;
202 current_subitems_count++;
205 current_submenus_menu = (struct menu_item_ex *)menu;
207 gui_synclist_init(lists,get_menu_item_name,(void*)menu,false,1, parent);
208 #ifdef HAVE_LCD_BITMAP
209 if (menu->callback_and_desc->icon_id == Icon_NOICON)
210 icon = Icon_Submenu_Entered;
211 else
212 icon = menu->callback_and_desc->icon_id;
213 gui_synclist_set_title(lists, P2STR(menu->callback_and_desc->desc), icon);
214 gui_synclist_set_icon_callback(lists, global_settings.show_icons?menu_get_icon:NULL);
215 #else
216 (void)icon;
217 gui_synclist_set_icon_callback(lists, NULL);
218 #endif
219 if(global_settings.talk_menu)
220 gui_synclist_set_voice_callback(lists, talk_menu_item);
221 gui_synclist_set_nb_items(lists,current_subitems_count);
222 gui_synclist_limit_scroll(lists,true);
223 gui_synclist_select_item(lists, find_menu_selection(selected));
225 get_menu_callback(menu,&menu_callback);
226 if (callback && menu_callback)
227 menu_callback(ACTION_ENTER_MENUITEM,menu);
230 static int talk_menu_item(int selected_item, void *data)
232 const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
233 int id = -1;
234 int type;
235 unsigned char *str;
236 int sel = get_menu_selection(selected_item, menu);
238 if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
240 type = menu->submenus[sel]->flags&MENU_TYPE_MASK;
241 if ((type == MT_SETTING) || (type == MT_SETTING_W_TEXT))
242 talk_setting(menu->submenus[sel]->variable);
243 else
245 if (menu->submenus[sel]->flags&(MENU_DYNAMIC_DESC))
247 int (*list_speak_item)(int selected_item, void * data)
248 = menu->submenus[sel]->menu_get_name_and_icon->
249 list_speak_item;
250 if(list_speak_item)
251 list_speak_item(sel, menu->submenus[sel]->
252 menu_get_name_and_icon->
253 list_get_name_data);
254 else
256 char buffer[80];
257 str = menu->submenus[sel]->menu_get_name_and_icon->
258 list_get_name(sel, menu->submenus[sel]->
259 menu_get_name_and_icon->
260 list_get_name_data, buffer);
261 id = P2ID(str);
264 else
265 id = P2ID(menu->submenus[sel]->callback_and_desc->desc);
266 if (id != -1)
267 talk_id(id,false);
270 else if(((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID))
272 if ((menu->flags&MENU_DYNAMIC_DESC) == 0)
274 unsigned char *s = (unsigned char *)menu->strings[sel];
275 /* string list, try to talk it if ID2P was used */
276 id = P2ID(s);
277 if (id != -1)
278 talk_id(id,false);
281 return 0;
284 void do_setting_screen(const struct settings_list *setting, const char * title,
285 struct viewport parent[NB_SCREENS])
287 char padded_title[MAX_PATH];
288 /* Pad the title string by repeating it. This is needed
289 so the scroll settings title can actually be used to
290 test the setting */
291 if (setting->flags&F_PADTITLE)
293 int i = 0, len;
294 if (setting->lang_id == -1)
295 title = (char*)setting->cfg_vals;
296 else
297 title = P2STR((unsigned char*)title);
298 len = strlen(title);
299 while (i < MAX_PATH-1)
301 int padlen = MIN(len, MAX_PATH-1-i);
302 memcpy(&padded_title[i], title, padlen);
303 i += padlen;
304 if (i<MAX_PATH-1)
305 padded_title[i++] = ' ';
307 padded_title[i] = '\0';
308 title = padded_title;
311 option_screen((struct settings_list *)setting, parent,
312 setting->flags&F_TEMPVAR, (char*)title);
316 void do_setting_from_menu(const struct menu_item_ex *temp,
317 struct viewport parent[NB_SCREENS])
319 char *title;
320 int setting_id;
321 const struct settings_list *setting =
322 find_setting(temp->variable, &setting_id);
323 if (temp && ((temp->flags&MENU_TYPE_MASK) == MT_SETTING_W_TEXT))
324 title = temp->callback_and_desc->desc;
325 else
326 title = ID2P(setting->lang_id);
327 do_setting_screen(setting, title, parent);
330 /* display a menu */
331 int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
332 struct viewport parent[NB_SCREENS], bool hide_theme)
334 int selected = start_selected? *start_selected : 0;
335 int action;
336 struct gui_synclist lists;
337 const struct menu_item_ex *temp, *menu = start_menu;
338 int ret = 0;
339 bool redraw_lists;
340 int old_audio_status = audio_status();
342 #ifdef HAVE_TOUCHSCREEN
343 /* plugins possibly have grid mode active. force global settings in lists */
344 enum touchscreen_mode tsm = touchscreen_get_mode();
345 touchscreen_set_mode(global_settings.touch_mode);
346 #endif
348 FOR_NB_SCREENS(i)
349 viewportmanager_theme_enable(i, !hide_theme, NULL);
351 const struct menu_item_ex *menu_stack[MAX_MENUS];
352 int menu_stack_selected_item[MAX_MENUS];
353 int stack_top = 0;
354 bool in_stringlist, done = false;
355 struct viewport *vps = NULL;
356 #ifdef HAVE_BUTTONBAR
357 struct gui_buttonbar buttonbar;
358 gui_buttonbar_init(&buttonbar);
359 gui_buttonbar_set_display(&buttonbar, &(screens[SCREEN_MAIN]) );
360 gui_buttonbar_set(&buttonbar, "<<<", "", "");
361 #endif
362 menu_callback_type menu_callback = NULL;
364 /* if hide_theme is true, assume parent has been fixed before passed into
365 * this function, e.g. with viewport_set_defaults(parent, screen) */
366 init_menu_lists(menu, &lists, selected, true, parent);
367 vps = *(lists.parent);
368 in_stringlist = ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID);
369 /* load the callback, and only reload it if menu changes */
370 get_menu_callback(menu, &menu_callback);
372 gui_synclist_draw(&lists);
373 gui_synclist_speak_item(&lists);
374 #ifdef HAVE_BUTTONBAR
375 if (!hide_theme)
377 gui_buttonbar_set(&buttonbar, "<<<", "", "");
378 gui_buttonbar_draw(&buttonbar);
380 #endif
381 while (!done)
383 int new_audio_status;
384 redraw_lists = false;
385 if (!hide_theme)
387 #ifdef HAVE_BUTTONBAR
388 gui_buttonbar_draw(&buttonbar);
389 #endif
391 #if CONFIG_CODEC == SWCODEC
392 keyclick_set_callback(gui_synclist_keyclick_callback, &lists);
393 #endif
394 action = get_action(CONTEXT_MAINMENU,
395 list_do_action_timeout(&lists, HZ));
397 /* query audio status to see if it changed */
398 new_audio_status = audio_status();
399 if (old_audio_status != new_audio_status)
400 { /* force a redraw if anything changed the audio status
401 * from outside */
402 redraw_lists = true;
403 old_audio_status = new_audio_status;
405 /* HZ so the status bar redraws corectly */
407 if (menu_callback)
409 int old_action = action;
410 action = menu_callback(action, menu);
411 if (action == ACTION_EXIT_AFTER_THIS_MENUITEM)
413 action = old_action;
414 ret = MENU_SELECTED_EXIT; /* will exit after returning
415 from selection */
417 else if (action == ACTION_REDRAW)
419 action = old_action;
420 redraw_lists = true;
424 if (gui_synclist_do_button(&lists, &action, LIST_WRAP_UNLESS_HELD))
425 continue;
426 #ifdef HAVE_QUICKSCREEN
427 else if (action == ACTION_STD_QUICKSCREEN)
429 quick_screen_quick(action);
430 redraw_lists = true;
432 #endif
433 #ifdef HAVE_RECORDING
434 else if (action == ACTION_STD_REC)
436 ret = GO_TO_RECSCREEN;
437 done = true;
439 #endif
440 else if (action == ACTION_TREE_WPS)
442 ret = GO_TO_PREVIOUS_MUSIC;
443 done = true;
445 else if (action == ACTION_TREE_STOP)
447 redraw_lists = list_stop_handler();
449 else if (action == ACTION_STD_CONTEXT)
451 if (menu == &root_menu_)
453 ret = GO_TO_ROOTITEM_CONTEXT;
454 done = true;
456 else if (!in_stringlist)
458 int type;
459 selected = get_menu_selection(gui_synclist_get_sel_pos(&lists),menu);
460 temp = menu->submenus[selected];
461 type = (temp->flags&MENU_TYPE_MASK);
462 if ((type == MT_SETTING_W_TEXT || type == MT_SETTING))
464 #ifdef HAVE_QUICKSCREEN
465 MENUITEM_STRINGLIST(quickscreen_able_option,
466 ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
467 ID2P(LANG_RESET_SETTING),
468 ID2P(LANG_TOP_QS_ITEM),
469 ID2P(LANG_LEFT_QS_ITEM),
470 ID2P(LANG_BOTTOM_QS_ITEM),
471 ID2P(LANG_RIGHT_QS_ITEM),
472 ID2P(LANG_ADD_TO_FAVES));
473 #endif
474 MENUITEM_STRINGLIST(notquickscreen_able_option,
475 ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
476 ID2P(LANG_RESET_SETTING));
477 const struct menu_item_ex *menu;
478 int menu_selection = 0;
479 const struct settings_list *setting =
480 find_setting(temp->variable, NULL);
481 #ifdef HAVE_QUICKSCREEN
482 if (is_setting_quickscreenable(setting))
483 menu = &quickscreen_able_option;
484 else
485 #endif
486 menu = &notquickscreen_able_option;
487 switch (do_menu(menu, &menu_selection, NULL, false))
489 case GO_TO_PREVIOUS:
490 break;
491 case 0: /* reset setting */
492 reset_setting(setting, setting->setting);
493 break;
494 #ifdef HAVE_QUICKSCREEN
495 case 1: /* set as top QS item */
496 set_as_qs_item(setting, QUICKSCREEN_TOP);
497 break;
498 case 2: /* set as left QS item */
499 set_as_qs_item(setting, QUICKSCREEN_LEFT);
500 break;
501 case 3: /* set as bottom QS item */
502 set_as_qs_item(setting, QUICKSCREEN_BOTTOM);
503 break;
504 case 4: /* set as right QS item */
505 set_as_qs_item(setting, QUICKSCREEN_RIGHT);
506 break;
507 case 5: /* Add to faves. Same limitation on which can be
508 added to the shortcuts menu as the quickscreen */
509 shortcuts_add(SHORTCUT_SETTING, (void*)setting);
510 break;
511 #endif
512 } /* swicth(do_menu()) */
513 redraw_lists = true;
515 } /* else if (!in_stringlist) */
517 else if (action == ACTION_STD_MENU)
519 if (menu != &root_menu_)
520 ret = GO_TO_ROOT;
521 else
522 ret = GO_TO_PREVIOUS;
523 done = true;
525 else if (action == ACTION_STD_CANCEL)
527 bool exiting_menu = false;
528 in_stringlist = false;
529 /* might be leaving list, so stop scrolling */
530 gui_synclist_scroll_stop(&lists);
531 if (menu_callback)
532 menu_callback(ACTION_EXIT_MENUITEM, menu);
534 if (menu->flags&MENU_EXITAFTERTHISMENU)
535 done = true;
536 else if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
537 exiting_menu = true;
538 if (stack_top > 0)
540 stack_top--;
541 menu = menu_stack[stack_top];
542 if (!exiting_menu && (menu->flags&MENU_EXITAFTERTHISMENU))
543 done = true;
544 else
545 init_menu_lists(menu, &lists,
546 menu_stack_selected_item[stack_top], false, vps);
547 redraw_lists = true;
548 /* new menu, so reload the callback */
549 get_menu_callback(menu, &menu_callback);
551 else if (menu != &root_menu_)
553 ret = GO_TO_PREVIOUS;
554 done = true;
557 else if (action == ACTION_STD_OK)
559 int type;
560 /* entering an item that may not be a list, so stop scrolling */
561 gui_synclist_scroll_stop(&lists);
562 #ifdef HAVE_BUTTONBAR
563 if (!hide_theme)
565 gui_buttonbar_unset(&buttonbar);
566 gui_buttonbar_draw(&buttonbar);
568 #endif
569 selected = get_menu_selection(gui_synclist_get_sel_pos(&lists), menu);
570 temp = menu->submenus[selected];
571 redraw_lists = true;
572 if (in_stringlist)
573 type = (menu->flags&MENU_TYPE_MASK);
574 else
576 type = (temp->flags&MENU_TYPE_MASK);
577 get_menu_callback(temp, &menu_callback);
578 if (menu_callback)
580 action = menu_callback(ACTION_ENTER_MENUITEM,temp);
581 if (action == ACTION_EXIT_MENUITEM)
582 break;
585 switch (type)
587 case MT_MENU:
588 if (stack_top < MAX_MENUS)
590 menu_stack[stack_top] = menu;
591 menu_stack_selected_item[stack_top] = selected;
592 stack_top++;
593 menu = temp;
594 init_menu_lists(menu, &lists, 0, true, vps);
596 break;
597 case MT_FUNCTION_CALL:
599 int return_value;
600 if (temp->flags&MENU_FUNC_USEPARAM)
601 return_value = temp->function->function_w_param(
602 temp->function->param);
603 else
604 return_value = temp->function->function();
605 if (!(menu->flags&MENU_EXITAFTERTHISMENU) ||
606 (temp->flags&MENU_EXITAFTERTHISMENU))
608 init_menu_lists(menu, &lists, selected, true, vps);
610 if (temp->flags&MENU_FUNC_CHECK_RETVAL)
612 if (return_value != 0)
614 done = true;
615 ret = return_value;
618 break;
620 case MT_SETTING:
621 case MT_SETTING_W_TEXT:
623 do_setting_from_menu(temp, vps);
624 send_event(GUI_EVENT_ACTIONUPDATE, (void*)1); /* force a redraw */
625 break;
627 case MT_RETURN_ID:
628 if (in_stringlist)
630 done = true;
631 ret = selected;
633 else if (stack_top < MAX_MENUS)
635 menu_stack[stack_top] = menu;
636 menu_stack_selected_item[stack_top] = selected;
637 stack_top++;
638 menu = temp;
639 init_menu_lists(menu,&lists,0,false, vps);
640 in_stringlist = true;
642 break;
643 case MT_RETURN_VALUE:
644 ret = temp->value;
645 done = true;
646 break;
648 if (type != MT_MENU)
650 if (menu_callback)
651 menu_callback(ACTION_EXIT_MENUITEM,temp);
653 if (current_submenus_menu != menu)
654 init_menu_lists(menu,&lists,selected,true,vps);
655 /* callback was changed, so reload the menu's callback */
656 get_menu_callback(menu, &menu_callback);
657 if ((menu->flags&MENU_EXITAFTERTHISMENU) &&
658 !(temp->flags&MENU_EXITAFTERTHISMENU))
660 done = true;
661 break;
663 #ifdef HAVE_BUTTONBAR
664 if (!hide_theme)
666 gui_buttonbar_set(&buttonbar, "<<<", "", "");
667 gui_buttonbar_draw(&buttonbar);
669 #endif
671 else
673 switch(default_event_handler(action))
675 case SYS_USB_CONNECTED:
676 ret = MENU_ATTACHED_USB;
677 done = true;
678 break;
679 case SYS_CALL_HUNG_UP:
680 case BUTTON_MULTIMEDIA_PLAYPAUSE:
681 /* remove splash from playlist_resume() */
682 redraw_lists = true;
683 break;
687 if (redraw_lists && !done)
689 if (menu_callback)
690 menu_callback(ACTION_REDRAW, menu);
691 gui_synclist_draw(&lists);
692 gui_synclist_speak_item(&lists);
695 if (start_selected)
697 /* make sure the start_selected variable is set to
698 the selected item from the menu do_menu() was called from */
699 if (stack_top > 0)
701 menu = menu_stack[0];
702 init_menu_lists(menu,&lists,menu_stack_selected_item[0],true, vps);
704 *start_selected = get_menu_selection(
705 gui_synclist_get_sel_pos(&lists), menu);
708 FOR_NB_SCREENS(i)
709 viewportmanager_theme_undo(i, false);
710 #ifdef HAVE_TOUCHSCREEN
711 touchscreen_set_mode(tsm);
712 #endif
714 return ret;