src/menusys.c

   1 /*
   2   Copyright 2009, Ifcaro & volca
   3   Licenced under Academic Free License version 3.0
   4   Review OpenUsbLd README & LICENSE files for further details.
   5 */
   6
   7 #include "include/menusys.h"
   8 #include "include/iosupport.h"
   9 #include "include/usbld.h"
  10 #include "include/renderman.h"
  11 #include "include/fntsys.h"
  12 #include "include/lang.h"
  13 #include "include/themes.h"
  14 #include "include/pad.h"
  15 #include "include/gui.h"
  16 #include "include/system.h"
  17 #include "include/ioman.h"
  18 #include "assert.h"
  19
  20 #define MENU_SETTINGS           0
  21 #define MENU_GFX_SETTINGS       1
  22 #define MENU_IP_CONFIG          2
  23 #define MENU_SAVE_CHANGES       3
  24 #define MENU_START_HDL          4
  25 #define MENU_ABOUT                      5
  26 #define MENU_EXIT                       6
  27 #define MENU_POWER_OFF          7
  28
  29 // global menu variables
  30 static menu_list_t* menu;
  31 static menu_list_t* selected_item;
  32
  33 static int actionStatus;
  34 static int itemConfigId;
  35 static config_set_t* itemConfig;
  36
  37 // "main menu submenu"
  38 static submenu_list_t* mainMenu;
  39 // active item in the main menu
  40 static submenu_list_t* mainMenuCurrent;
  41
  42 static s32 menuSemaId;
  43 static ee_sema_t menuSema;
  44
  45 static void _menuLoadConfig() {
  46         WaitSema(menuSemaId);
  47         if (!itemConfig) {
  48                 item_list_t* list = selected_item->item->userdata;
  49                 itemConfig = list->itemGetConfig(itemConfigId);
  50         }
  51         actionStatus = 0;
  52         SignalSema(menuSemaId);
  53 }
  54
  55 static void _menuSaveConfig() {
  56         WaitSema(menuSemaId);
  57         configWrite(itemConfig);
  58         itemConfigId = -1; // to invalidate cache and force reload
  59         actionStatus = 0;
  60         SignalSema(menuSemaId);
  61 }
  62
  63 static void _menuRequestConfig() {
  64         WaitSema(menuSemaId);
  65         if (itemConfigId != selected_item->item->current->item.id) {
  66                 if (itemConfig) {
  67                         configFree(itemConfig);
  68                         itemConfig = NULL;
  69                 }
  70                 item_list_t* list = selected_item->item->userdata;
  71                 if (itemConfigId == -1 || guiInactiveFrames >= list->delay) {
  72                         itemConfigId = selected_item->item->current->item.id;
  73                         ioPutRequest(IO_CUSTOM_SIMPLEACTION, &_menuLoadConfig);
  74                 }
  75         } else if (itemConfig)
  76                 actionStatus = 0;
  77         SignalSema(menuSemaId);
  78 }
  79
  80 config_set_t* menuLoadConfig() {
  81         actionStatus = 1;
  82         itemConfigId = -1;
  83         guiHandleDeferedIO(&actionStatus, _l(_STR_LOADING_SETTINGS), IO_CUSTOM_SIMPLEACTION, &_menuRequestConfig);
  84         return itemConfig;
  85 }
  86
  87 void menuSaveConfig() {
  88         actionStatus = 1;
  89         guiHandleDeferedIO(&actionStatus, _l(_STR_SAVING_SETTINGS), IO_CUSTOM_SIMPLEACTION, &_menuSaveConfig);
  90 }
  91
  92 static void menuInitMainMenu() {
  93         if (mainMenu)
  94                 submenuDestroy(&mainMenu);
  95
  96         // initialize the menu
  97 #ifndef __CHILDPROOF
  98         submenuAppendItem(&mainMenu, -1, NULL, MENU_SETTINGS, _STR_SETTINGS);
  99         submenuAppendItem(&mainMenu, -1, NULL, MENU_GFX_SETTINGS, _STR_GFX_SETTINGS);
 100         submenuAppendItem(&mainMenu, -1, NULL, MENU_IP_CONFIG, _STR_IPCONFIG);
 101         submenuAppendItem(&mainMenu, -1, NULL, MENU_SAVE_CHANGES, _STR_SAVE_CHANGES);
 102         if (gHDDStartMode) // enabled at all?
 103                 submenuAppendItem(&mainMenu, -1, NULL, MENU_START_HDL, _STR_STARTHDL);
 104 #endif
 105         submenuAppendItem(&mainMenu, -1, NULL, MENU_ABOUT, _STR_ABOUT);
 106         submenuAppendItem(&mainMenu, -1, NULL, MENU_EXIT, _STR_EXIT);
 107         submenuAppendItem(&mainMenu, -1, NULL, MENU_POWER_OFF, _STR_POWEROFF);
 108
 109         mainMenuCurrent = mainMenu;
 110 }
 111
 112 // -------------------------------------------------------------------------------------------
 113 // ---------------------------------------- Menu manipulation --------------------------------
 114 // -------------------------------------------------------------------------------------------
 115 void menuInit() {
 116         menu = NULL;
 117         selected_item = NULL;
 118         itemConfigId = -1;
 119         itemConfig = NULL;
 120         mainMenu = NULL;
 121         mainMenuCurrent = NULL;
 122         menuInitMainMenu();
 123
 124         menuSema.init_count = 1;
 125         menuSema.max_count = 1;
 126         menuSema.option = 0;
 127         menuSemaId = CreateSema(&menuSema);
 128 }
 129
 130 void menuEnd() {
 131         // destroy menu
 132         menu_list_t *cur = menu;
 133
 134         while (cur) {
 135                 menu_list_t *td = cur;
 136                 cur = cur->next;
 137
 138                 if (&td->item)
 139                         submenuDestroy(&td->item->submenu);
 140
 141                 menuRemoveHints(td->item);
 142
 143                 free(td);
 144         }
 145
 146         submenuDestroy(&mainMenu);
 147
 148         if (itemConfig) {
 149                 configFree(itemConfig);
 150                 itemConfig = NULL;
 151         }
 152
 153         DeleteSema(menuSemaId);
 154 }
 155
 156 static menu_list_t* AllocMenuItem(menu_item_t* item) {
 157         menu_list_t* it;
 158
 159         it = malloc(sizeof(menu_list_t));
 160
 161         it->prev = NULL;
 162         it->next = NULL;
 163         it->item = item;
 164
 165         return it;
 166 }
 167
 168 void menuAppendItem(menu_item_t* item) {
 169         assert(item);
 170
 171         if (menu == NULL) {
 172                 menu = AllocMenuItem(item);
 173                 selected_item = menu;
 174                 return;
 175         }
 176
 177         menu_list_t *cur = menu;
 178
 179         // traverse till the end
 180         while (cur->next)
 181                 cur = cur->next;
 182
 183         // create new item
 184         menu_list_t *newitem = AllocMenuItem(item);
 185
 186         // link
 187         cur->next = newitem;
 188         newitem->prev = cur;
 189 }
 190
 191 void submenuRebuildCache(submenu_list_t* submenu) {
 192         while (submenu) {
 193                 if (submenu->item.cache_id)
 194                         free(submenu->item.cache_id);
 195                 if(submenu->item.cache_uid)
 196                         free(submenu->item.cache_uid);
 197
 198                 int size = gTheme->gameCacheCount * sizeof(int);
 199                 submenu->item.cache_id = malloc(size);
 200                 memset(submenu->item.cache_id, -1, size);
 201                 submenu->item.cache_uid = malloc(size);
 202                 memset(submenu->item.cache_uid, -1, size);
 203
 204                 submenu = submenu->next;
 205         }
 206 }
 207
 208 static submenu_list_t* submenuAllocItem(int icon_id, char *text, int id, int text_id) {
 209         submenu_list_t* it = (submenu_list_t*) malloc(sizeof(submenu_list_t));
 210
 211         it->prev = NULL;
 212         it->next = NULL;
 213         it->item.icon_id = icon_id;
 214         it->item.text = text;
 215         it->item.text_id = text_id;
 216         it->item.id = id;
 217         it->item.cache_id = NULL;
 218         it->item.cache_uid = NULL;
 219         submenuRebuildCache(it);
 220
 221         return it;
 222 }
 223
 224 submenu_list_t* submenuAppendItem(submenu_list_t** submenu, int icon_id, char *text, int id, int text_id) {
 225         if (*submenu == NULL) {
 226                 *submenu = submenuAllocItem(icon_id, text, id, text_id);
 227                 return *submenu;
 228         }
 229
 230         submenu_list_t *cur = *submenu;
 231
 232         // traverse till the end
 233         while (cur->next)
 234                 cur = cur->next;
 235
 236         // create new item
 237         submenu_list_t *newitem = submenuAllocItem(icon_id, text, id, text_id);
 238
 239         // link
 240         cur->next = newitem;
 241         newitem->prev = cur;
 242
 243         return newitem;
 244 }
 245
 246 static void submenuDestroyItem(submenu_list_t* submenu) {
 247         free(submenu->item.cache_id);
 248         free(submenu->item.cache_uid);
 249
 250         free(submenu);
 251 }
 252
 253 void submenuRemoveItem(submenu_list_t** submenu, int id) {
 254         submenu_list_t* cur = *submenu;
 255         submenu_list_t* prev = NULL;
 256
 257         while (cur) {
 258                 if (cur->item.id == id) {
 259                         submenu_list_t* next = cur->next;
 260
 261                         if (prev)
 262                                 prev->next = cur->next;
 263
 264                         if (*submenu == cur)
 265                                 *submenu = next;
 266
 267                         submenuDestroyItem(cur);
 268
 269                         cur = next;
 270                 } else {
 271                         prev = cur;
 272                         cur = cur->next;
 273                 }
 274         }
 275 }
 276
 277 void submenuDestroy(submenu_list_t** submenu) {
 278         // destroy sub menu
 279         submenu_list_t *cur = *submenu;
 280
 281         while (cur) {
 282                 submenu_list_t *td = cur;
 283                 cur = cur->next;
 284
 285                 submenuDestroyItem(td);
 286         }
 287
 288         *submenu = NULL;
 289 }
 290
 291 void menuAddHint(menu_item_t *menu, int text_id, int icon_id) {
 292         // allocate a new hint item
 293         menu_hint_item_t* hint = malloc(sizeof(menu_hint_item_t));
 294
 295         hint->text_id = text_id;
 296         hint->icon_id = icon_id;
 297         hint->next = NULL;
 298
 299         if (menu->hints) {
 300                 menu_hint_item_t* top = menu->hints;
 301
 302                 // rewind to end
 303                 for (; top->next; top = top->next);
 304
 305                 top->next = hint;
 306         } else {
 307                 menu->hints = hint;
 308         }
 309 }
 310
 311 void menuRemoveHints(menu_item_t *menu) {
 312         while (menu->hints) {
 313                 menu_hint_item_t* hint = menu->hints;
 314                 menu->hints = hint->next;
 315                 free(hint);
 316         }
 317 }
 318
 319 char *menuItemGetText(menu_item_t* it) {
 320         if (it->text_id >= 0)
 321                 return _l(it->text_id);
 322         else
 323                 return it->text;
 324 }
 325
 326 char *submenuItemGetText(submenu_item_t* it) {
 327         if (it->text_id >= 0)
 328                 return _l(it->text_id);
 329         else
 330                 return it->text;
 331 }
 332
 333 static void swap(submenu_list_t* a, submenu_list_t* b) {
 334         submenu_list_t *pa, *nb;
 335         pa = a->prev;
 336         nb = b->next;
 337
 338         a->next = nb;
 339         b->prev = pa;
 340         b->next = a;
 341         a->prev = b;
 342
 343         if (pa)
 344                 pa->next = b;
 345
 346         if (nb)
 347                 nb->prev = a;
 348 }
 349
 350 // Sorts the given submenu by comparing the on-screen titles
 351 void submenuSort(submenu_list_t** submenu) {
 352         // a simple bubblesort
 353         // *submenu = mergeSort(*submenu);
 354         submenu_list_t *head = *submenu;
 355         int sorted = 0;
 356
 357         if ((submenu == NULL) || (*submenu == NULL) || ((*submenu)->next == NULL))
 358                 return;
 359
 360         while (!sorted) {
 361                 sorted = 1;
 362
 363                 submenu_list_t *tip = head;
 364
 365                 while (tip->next) {
 366                         submenu_list_t *nxt = tip->next;
 367
 368                         char *txt1 = submenuItemGetText(&tip->item);
 369                         char *txt2 = submenuItemGetText(&nxt->item);
 370
 371                         int cmp = stricmp(txt1, txt2);
 372
 373                         if (cmp > 0) {
 374                                 swap(tip, nxt);
 375
 376                                 if (tip == head)
 377                                         head = nxt;
 378
 379                                 sorted = 0;
 380                         } else {
 381                                 tip = tip->next;
 382                         }
 383                 }
 384         }
 385
 386         *submenu = head;
 387 }
 388
 389 static void menuNextH() {
 390         if(selected_item->next) {
 391                 selected_item = selected_item->next;
 392                 itemConfigId = -1;
 393         }
 394 }
 395
 396 static void menuPrevH() {
 397         if(selected_item->prev) {
 398                 selected_item = selected_item->prev;
 399                 itemConfigId = -1;
 400         }
 401 }
 402
 403 static void menuNextV() {
 404         submenu_list_t *cur = selected_item->item->current;
 405
 406         if(cur && cur->next) {
 407                 selected_item->item->current = cur->next;
 408
 409                 // if the current item is beyond the page start, move the page start one page down
 410                 cur = selected_item->item->pagestart;
 411                 int itms = ((items_list_t*) gTheme->itemsList->extended)->displayedItems + 1;
 412                 while (--itms && cur)
 413                         if (selected_item->item->current == cur)
 414                                 return;
 415                         else
 416                                 cur = cur->next;
 417
 418                 selected_item->item->pagestart = selected_item->item->current;
 419         }
 420 }
 421
 422 static void menuPrevV() {
 423         submenu_list_t *cur = selected_item->item->current;
 424
 425         if(cur && cur->prev) {
 426                 selected_item->item->current = cur->prev;
 427
 428                 // if the current item is on the page start, move the page start one page up
 429                 if (selected_item->item->pagestart == cur) {
 430                         int itms = ((items_list_t*) gTheme->itemsList->extended)->displayedItems + 1; // +1 because the selection will move as well
 431                         while (--itms && selected_item->item->pagestart->prev)
 432                                 selected_item->item->pagestart = selected_item->item->pagestart->prev;
 433                 }
 434         }
 435 }
 436
 437 static void menuNextPage() {
 438         submenu_list_t *cur = selected_item->item->pagestart;
 439
 440         if (cur) {
 441                 int itms = ((items_list_t*) gTheme->itemsList->extended)->displayedItems + 1;
 442                 while (--itms && cur->next)
 443                         cur = cur->next;
 444
 445                 selected_item->item->current = cur;
 446                 selected_item->item->pagestart = selected_item->item->current;
 447         }
 448 }
 449
 450 static void menuPrevPage() {
 451         submenu_list_t *cur = selected_item->item->pagestart;
 452
 453         if (cur) {
 454                 int itms = ((items_list_t*) gTheme->itemsList->extended)->displayedItems + 1;
 455                 while (--itms && cur->prev)
 456                         cur = cur->prev;
 457
 458                 selected_item->item->current = cur;
 459                 selected_item->item->pagestart = selected_item->item->current;
 460         }
 461 }
 462
 463 static void menuFirstPage() {
 464         selected_item->item->current = selected_item->item->submenu;
 465         selected_item->item->pagestart = selected_item->item->current;
 466 }
 467
 468 static void menuLastPage() {
 469         submenu_list_t *cur = selected_item->item->current;
 470         if (cur) {
 471                 while (cur->next)
 472                         cur = cur->next; // go to end
 473
 474                 selected_item->item->current = cur;
 475
 476                 int itms = ((items_list_t*) gTheme->itemsList->extended)->displayedItems;
 477                 while (--itms && cur->prev) // and move back to have a full page
 478                         cur = cur->prev;
 479
 480                 selected_item->item->pagestart = cur;
 481         }
 482 }
 483
 484 void menuSetSelectedItem(menu_item_t* item) {
 485         menu_list_t* itm = menu;
 486
 487         while (itm) {
 488                 if (itm->item == item) {
 489                         selected_item = itm;
 490                         return;
 491                 }
 492
 493                 itm = itm->next;
 494         }
 495 }
 496
 497 void menuRenderMenu() {
 498         guiDrawBGPlasma();
 499
 500         if (!mainMenu)
 501                 return;
 502
 503         // draw the animated menu
 504         if (!mainMenuCurrent)
 505                 mainMenuCurrent = mainMenu;
 506
 507         submenu_list_t* it = mainMenu;
 508
 509         // calculate the number of items
 510         int count = 0; int sitem = 0;
 511         for (; it; count++, it=it->next) {
 512                 if (it == mainMenuCurrent)
 513                         sitem = count;
 514         }
 515
 516         int spacing = 25;
 517         int y = (gTheme->usedHeight >> 1) - (spacing * (count >> 1));
 518         int cp = 0; // current position
 519         for (it = mainMenu; it; it = it->next, cp++) {
 520                 // render, advance
 521                 fntRenderString(gTheme->fonts[0], 320, y, ALIGN_CENTER, 0, 0, submenuItemGetText(&it->item), (cp == sitem) ? gTheme->selTextColor : gTheme->textColor);
 522                 y += spacing;
 523         }
 524 }
 525
 526 void menuHandleInputMenu() {
 527         if (!mainMenu)
 528                 return;
 529
 530         if (!mainMenuCurrent)
 531                 mainMenuCurrent = mainMenu;
 532
 533         if (getKey(KEY_UP)) {
 534                 if (mainMenuCurrent->prev)
 535                         mainMenuCurrent = mainMenuCurrent->prev;
 536                 else    // rewind to the last item
 537                         while (mainMenuCurrent->next)
 538                                 mainMenuCurrent = mainMenuCurrent->next;
 539         }
 540
 541         if (getKey(KEY_DOWN)) {
 542                 if (mainMenuCurrent->next)
 543                         mainMenuCurrent = mainMenuCurrent->next;
 544                 else
 545                         mainMenuCurrent = mainMenu;
 546         }
 547
 548         if (getKeyOn(KEY_CROSS)) {
 549                 // execute the item via looking at the id of it
 550                 int id = mainMenuCurrent->item.id;
 551
 552                 if (id == MENU_SETTINGS) {
 553                         guiShowConfig();
 554                 } else if (id == MENU_GFX_SETTINGS) {
 555                         guiShowUIConfig();
 556                 } else if (id == MENU_IP_CONFIG) {
 557                         guiShowIPConfig();
 558                 } else if (id == MENU_SAVE_CHANGES) {
 559                         saveConfig(CONFIG_OPL, 1);
 560                 } else if (id == MENU_START_HDL) {
 561                         handleHdlSrv();
 562                 } else if (id == MENU_ABOUT) {
 563                         guiShowAbout();
 564                 } else if (id == MENU_EXIT) {
 565                         sysExecExit();
 566                 } else if (id == MENU_POWER_OFF) {
 567                         sysPowerOff();
 568                 }
 569
 570                 // so the exit press wont propagate twice
 571                 readPads();
 572         }
 573
 574         if(getKeyOn(KEY_START) || getKeyOn(KEY_CIRCLE)) {
 575                 if (gAPPStartMode || gETHStartMode || gUSBStartMode || gHDDStartMode)
 576                         guiSwitchScreen(GUI_SCREEN_MAIN, TRANSITION_LEFT);
 577         }
 578 }
 579
 580 void menuRenderMain() {
 581         // selected_item can't be NULL here as we only allow to switch to "Main" rendering when there is at least one device activated
 582         theme_element_t* elem = gTheme->mainElems.first;
 583         while (elem) {
 584                 if (elem->drawElem)
 585                         elem->drawElem(selected_item, selected_item->item->current, NULL, elem);
 586
 587                 elem = elem->next;
 588         }
 589 }
 590
 591 void menuHandleInputMain() {
 592         if(getKey(KEY_LEFT)) {
 593                 menuPrevH();
 594         } else if(getKey(KEY_RIGHT)) {
 595                 menuNextH();
 596         } else if(getKey(KEY_UP)) {
 597                 menuPrevV();
 598         } else if(getKey(KEY_DOWN)){
 599                 menuNextV();
 600         } else if(getKeyOn(KEY_CROSS)) {
 601                 if (selected_item->item->current && gUseInfoScreen && gTheme->infoElems.first)
 602                         guiSwitchScreen(GUI_SCREEN_INFO, TRANSITION_DOWN);
 603                 else
 604                         selected_item->item->execCross(selected_item->item);
 605         } else if(getKeyOn(KEY_TRIANGLE)) {
 606                 selected_item->item->execTriangle(selected_item->item);
 607         } else if(getKeyOn(KEY_CIRCLE)) {
 608                 selected_item->item->execCircle(selected_item->item);
 609         } else if(getKeyOn(KEY_SQUARE)) {
 610                 selected_item->item->execSquare(selected_item->item);
 611         } else if(getKeyOn(KEY_START)) {
 612                 // reinit main menu - show/hide items valid in the active context
 613                 menuInitMainMenu();
 614                 guiSwitchScreen(GUI_SCREEN_MENU, TRANSITION_RIGHT);
 615         } else if(getKeyOn(KEY_SELECT)) {
 616                 selected_item->item->refresh(selected_item->item);
 617         } else if(getKey(KEY_L1)) {
 618                 menuPrevPage();
 619         } else if(getKey(KEY_R1)) {
 620                 menuNextPage();
 621         } else if (getKeyOn(KEY_L2)) { // home
 622                 menuFirstPage();
 623         } else if (getKeyOn(KEY_R2)) { // end
 624                 menuLastPage();
 625         }
 626 }
 627
 628 void menuRenderInfo() {
 629         // selected_item->item->current can't be NULL here as we only allow to switch to "Info" rendering when there is at least one item
 630         _menuRequestConfig();
 631
 632         //WaitSema(menuSemaId); If I'm not mistaking (assignment of itemConfig pointer is atomic), not needed
 633         theme_element_t* elem = gTheme->infoElems.first;
 634         while (elem) {
 635                 if (elem->drawElem)
 636                         elem->drawElem(selected_item, selected_item->item->current, itemConfig, elem);
 637
 638                 elem = elem->next;
 639         }
 640         //SignalSema(menuSemaId);
 641 }
 642
 643 void menuHandleInputInfo() {
 644         if(getKeyOn(KEY_CROSS)) {
 645                 selected_item->item->execCross(selected_item->item);
 646         } else if(getKey(KEY_UP)) {
 647                 menuPrevV();
 648         } else if(getKey(KEY_DOWN)){
 649                 menuNextV();
 650         } else if(getKeyOn(KEY_CIRCLE)) {
 651                 guiSwitchScreen(GUI_SCREEN_MAIN, TRANSITION_UP);
 652         } else if(getKey(KEY_L1)) {
 653                 menuPrevPage();
 654         } else if(getKey(KEY_R1)) {
 655                 menuNextPage();
 656         } else if (getKeyOn(KEY_L2)) {
 657                 menuFirstPage();
 658         } else if (getKeyOn(KEY_R2)) {
 659                 menuLastPage();
 660         }
 661 }