src/dia.c

   1 /*
   2   Copyright 2009-2010 volca
   3   Licenced under Academic Free License version 3.0
   4   Review OpenUsbLd README & LICENSE files for further details.
   5 */
   6
   7 #include "include/usbld.h"
   8 #include "include/dia.h"
   9 #include "include/gui.h"
  10 #include "include/lang.h"
  11 #include "include/pad.h"
  12 #include "include/renderman.h"
  13 #include "include/fntsys.h"
  14 #include "include/themes.h"
  15 #include "include/util.h"
  16
  17 // UI spacing of the dialogues (pixels between consecutive items)
  18 #define UI_SPACING_H 10
  19 #define UI_SPACING_V 2
  20 // spacer ui element width (simulates tab)
  21 #define UI_SPACER_WIDTH 50
  22 // minimal pixel width of spacer
  23 #define UI_SPACER_MINIMAL 30
  24 // length of breaking line in pixels
  25 #define UI_BREAK_LEN 600
  26 // scroll speed (delay in ms!) when in dialogs
  27 #define DIA_SCROLL_SPEED 300
  28 // scroll speed (delay in ms!) when setting int value
  29 #define DIA_INT_SET_SPEED 100
  30
  31 static int screenWidth;
  32 static int screenHeight;
  33
  34 // Utility stuff
  35 #define KEYB_MODE               2
  36 #define KEYB_WIDTH              12
  37 #define KEYB_HEIGHT             4
  38 #define KEYB_ITEMS              (KEYB_WIDTH * KEYB_HEIGHT)
  39
  40 static void diaDrawBoundingBox(int x, int y, int w, int h, int focus) {
  41                 if (focus)
  42                         rmDrawRect(x - 5, y, w + 10, h + 10, gTheme->selTextColor & gColFocus);
  43                 else
  44                         rmDrawRect(x - 5, y, w + 10, h + 10, gTheme->textColor & gColFocus);
  45 }
  46
  47 int diaShowKeyb(char* text, int maxLen) {
  48         int i, j, len = strlen(text), selkeyb = 0, x, w;
  49         int selchar = 0, selcommand = -1;
  50         char c[2] = "\0\0";
  51         char keyb0[KEYB_ITEMS] = {
  52                 '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=',
  53                 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']',
  54                 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '\\',
  55                 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', '`', ':' };
  56
  57         char keyb1[KEYB_ITEMS] = {
  58                 '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+',
  59                 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}',
  60                 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', '|',
  61                 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', '~', '.' };
  62         char *keyb = keyb0;
  63
  64         char *commands[KEYB_HEIGHT] = {_l(_STR_BACKSPACE), _l(_STR_SPACE), _l(_STR_ENTER), _l(_STR_MODE)};
  65         GSTEXTURE *cmdicons[KEYB_HEIGHT];
  66         cmdicons[0] = thmGetTexture(SQUARE_ICON);
  67         cmdicons[1] = thmGetTexture(TRIANGLE_ICON);
  68         cmdicons[2] = thmGetTexture(START_ICON);
  69         cmdicons[3] = thmGetTexture(SELECT_ICON);
  70
  71         while(1) {
  72                 readPads();
  73
  74                 rmStartFrame();
  75                 guiDrawBGPlasma();
  76                 rmDrawRect(0, 0, screenWidth, screenHeight, gColDarker);
  77
  78                 //Text
  79                 fntRenderString(gTheme->fonts[0], 50, 120, ALIGN_NONE, 0, 0, text, gTheme->textColor);
  80
  81                 // separating line for simpler orientation
  82                 rmDrawLine(25, 138, 615, 138, gColWhite);
  83                 rmDrawLine(25, 139, 615, 139, gColWhite);
  84
  85                 for (j = 0; j < KEYB_HEIGHT; j++) {
  86                         for (i = 0; i < KEYB_WIDTH; i++) {
  87                                 c[0] = keyb[i + j * KEYB_WIDTH];
  88
  89                                 x = 50 + i * 31;
  90                                 w = fntRenderString(gTheme->fonts[0], x, 170 + 3 * UI_SPACING_H * j, ALIGN_NONE, 0, 0, c, gTheme->uiTextColor) - x;
  91                                 if ((i + j * KEYB_WIDTH) == selchar)
  92                                         diaDrawBoundingBox(x, 170 + 3 * UI_SPACING_H * j, w, UI_SPACING_H, 0);
  93                         }
  94                 }
  95
  96                 // Commands
  97                 for (i = 0; i < KEYB_HEIGHT; i++) {
  98                         if (cmdicons[i])
  99                                 rmDrawPixmap(cmdicons[i], 436, 170 + 3 * UI_SPACING_H * i, ALIGN_NONE, cmdicons[i]->Width, cmdicons[i]->Height, SCALING_RATIO, gDefaultCol);
 100
 101                         x = 477;
 102                         w = fntRenderString(gTheme->fonts[0], x, 170 + 3 * UI_SPACING_H * i, ALIGN_NONE, 0, 0, commands[i], gTheme->uiTextColor) - x;
 103                         if (i == selcommand)
 104                                 diaDrawBoundingBox(x, 170 + 3 * UI_SPACING_H * i, w, UI_SPACING_H, 0);
 105                 }
 106
 107                 rmEndFrame();
 108
 109                 if (getKey(KEY_LEFT)) {
 110                         if (selchar > -1) {
 111                                 if (selchar % KEYB_WIDTH)
 112                                         selchar--;
 113                                 else {
 114                                         selcommand = selchar / KEYB_WIDTH;
 115                                         selchar = -1;
 116                                 }
 117                         } else {
 118                                 selchar = (selcommand + 1) * KEYB_WIDTH - 1;
 119                                 selcommand = -1;
 120                         }
 121                 } else if (getKey(KEY_RIGHT)) {
 122                         if (selchar > -1) {
 123                                 if ((selchar + 1) % KEYB_WIDTH)
 124                                         selchar++;
 125                                 else {
 126                                         selcommand = selchar / KEYB_WIDTH;
 127                                         selchar = -1;
 128                                 }
 129                         } else {
 130                                 selchar = selcommand * KEYB_WIDTH;
 131                                 selcommand = -1;
 132                         }
 133                 } else if (getKey(KEY_UP)) {
 134                         if (selchar > -1)
 135                                 selchar = (selchar + KEYB_ITEMS - KEYB_WIDTH) % KEYB_ITEMS;
 136                         else
 137                                 selcommand = (selcommand + KEYB_HEIGHT - 1) % KEYB_HEIGHT;
 138                 } else if (getKey(KEY_DOWN)) {
 139                         if (selchar > -1)
 140                                 selchar = (selchar + KEYB_WIDTH) % KEYB_ITEMS;
 141                         else
 142                                 selcommand = (selcommand + 1) % KEYB_HEIGHT;
 143                 } else if (getKeyOn(KEY_CROSS)) {
 144                         if (len < (maxLen - 1) && selchar > -1) {
 145                                 len++;
 146                                 c[0] = keyb[selchar];
 147                                 strcat(text,c);
 148                         } else if (selcommand == 0) {
 149                                 if (len > 0) { // BACKSPACE
 150                                         len--;
 151                                         text[len] = 0;
 152                                 }
 153                         } else if (selcommand == 1) {
 154                                 if (len < (maxLen - 1)) { // SPACE
 155                                         len++;
 156                                         c[0] = ' ';
 157                                         strcat(text,c);
 158                                 }
 159                         } else if (selcommand == 2) {
 160                                 return 1; //ENTER
 161                         } else if (selcommand == 3) {
 162                                 selkeyb = (selkeyb + 1) % KEYB_MODE; // MODE
 163                                 if (selkeyb == 0)
 164                                         keyb = keyb0;
 165                                 if (selkeyb == 1)
 166                                         keyb = keyb1;
 167                         }
 168                 } else if (getKey(KEY_SQUARE)) {
 169                         if (len>0) { // BACKSPACE
 170                                 len--;
 171                                 text[len] = 0;
 172                         }
 173                 } else if (getKey(KEY_TRIANGLE)) {
 174                         if (len < (maxLen - 1) && selchar > -1) { // SPACE
 175                                 len++;
 176                                 c[0] = ' ';
 177                                 strcat(text,c);
 178                         }
 179                 } else if (getKeyOn(KEY_START)) {
 180                         return 1; //ENTER
 181                 } else if (getKeyOn(KEY_SELECT)) {
 182                         selkeyb = (selkeyb + 1) % KEYB_MODE; // MODE
 183                         if (selkeyb == 0)
 184                                 keyb = keyb0;
 185                         if (selkeyb == 1)
 186                                 keyb = keyb1;
 187                 }
 188
 189                 if (getKey(KEY_CIRCLE))
 190                         break;
 191         }
 192
 193         return 0;
 194 }
 195
 196 static int colPadSettings[16];
 197
 198 static int diaShowColSel(unsigned char *r, unsigned char *g, unsigned char *b) {
 199         int selc = 0;
 200         int ret = 0;
 201         unsigned char col[3];
 202
 203         padStoreSettings(colPadSettings);
 204
 205         col[0] = *r; col[1] = *g; col[2] = *b;
 206         setButtonDelay(KEY_LEFT, 1);
 207         setButtonDelay(KEY_RIGHT, 1);
 208
 209         while(1) {
 210                 readPads();
 211
 212                 rmStartFrame();
 213                 guiDrawBGPlasma();
 214                 rmDrawRect(0, 0,  screenWidth, screenHeight, gColDarker);
 215
 216                 // "Color selection"
 217                 fntRenderString(gTheme->fonts[0], 50, 50, ALIGN_NONE, 0, 0, _l(_STR_COLOR_SELECTION), GS_SETREG_RGBA(0x060, 0x060, 0x060, 0x060));
 218
 219                 // 3 bars representing the colors...
 220                 size_t co;
 221                 int x, y;
 222
 223                 for (co = 0; co < 3; ++co) {
 224                         unsigned char cc[3] = {0,0,0};
 225                         cc[co] = col[co];
 226
 227                         x = 75;
 228                         y = 75 + co * 25;
 229
 230                         u64 dcol = GS_SETREG_RGBA(cc[0], cc[1], cc[2], 0x80);
 231
 232                         if (selc == co)
 233                                 rmDrawRect(x, y, 200, 20, GS_SETREG_RGBA(0x060, 0x060, 0x060, 0x60));
 234                         else
 235                                 rmDrawRect(x, y, 200, 20, GS_SETREG_RGBA(0x020, 0x020, 0x020, 0x60));
 236
 237                         rmDrawRect(x + 2, y + 2, 190.0f*(cc[co]*100/255)/100, 16, dcol);
 238                 }
 239
 240                 // target color itself
 241                 u64 dcol = GS_SETREG_RGBA(col[0],col[1],col[2], 0x80);
 242
 243                 x = 300;
 244                 y = 75;
 245
 246                 rmDrawRect(x, y, 70, 70, GS_SETREG_RGBA(0x060, 0x060, 0x060, 0x60));
 247                 rmDrawRect(x + 5, y + 5, 60, 60, dcol);
 248
 249                 rmEndFrame();
 250
 251                 if (getKey(KEY_LEFT)) {
 252                         if (col[selc] > 0)
 253                                 col[selc]--;
 254                 } else if (getKey(KEY_RIGHT)) {
 255                         if (col[selc] < 255)
 256                                 col[selc]++;
 257                 } else if (getKey(KEY_UP)) {
 258                         if (selc > 0)
 259                                 selc--;
 260                 } else if (getKey(KEY_DOWN)) {
 261                         if (selc < 2)
 262                                 selc++;
 263                 } else if (getKeyOn(KEY_CROSS)) {
 264                         *r = col[0];
 265                         *g = col[1];
 266                         *b = col[2];
 267                         ret = 1;
 268                         break;
 269                 } else if (getKeyOn(KEY_CIRCLE)) {
 270                         ret = 0;
 271                         break;
 272                 }
 273         }
 274
 275         padRestoreSettings(colPadSettings);
 276         return ret;
 277 }
 278
 279
 280
 281 // ----------------------------------------------------------------------------
 282 // --------------------------- Dialogue handling ------------------------------
 283 // ----------------------------------------------------------------------------
 284 static const char *diaGetLocalisedText(const char* def, int id) {
 285         if (id >= 0)
 286                 return _l(id);
 287
 288         return def;
 289 }
 290
 291 /// returns true if the item is controllable (e.g. a value can be changed on it)
 292 static int diaIsControllable(struct UIItem *ui) {
 293         return (ui->enabled && (ui->type >= UI_OK));
 294 }
 295
 296 /// returns true if the given item should be preceded with nextline
 297 static int diaShouldBreakLine(struct UIItem *ui) {
 298         return (ui->type == UI_SPLITTER || ui->type == UI_OK || ui->type == UI_BREAK);
 299 }
 300
 301 /// returns true if the given item should be superseded with nextline
 302 static int diaShouldBreakLineAfter(struct UIItem *ui) {
 303         return (ui->type == UI_SPLITTER);
 304 }
 305
 306 static void diaDrawHint(int text_id) {
 307         int x, y;
 308
 309         char* text = _l(text_id);
 310
 311         x = screenWidth - fntCalcDimensions(gTheme->fonts[0], text) - 10;
 312         y = gTheme->usedHeight - 40;
 313
 314         // render hint on the lower side of the screen.
 315         rmDrawRect(x, y, screenWidth - x, MENU_ITEM_HEIGHT + 10, gColDarker);
 316         fntRenderString(gTheme->fonts[0], x + 5, y + 5, ALIGN_NONE, 0, 0, text, gTheme->textColor);
 317 }
 318
 319 /// renders an ui item (either selected or not)
 320 /// sets width and height of the render into the parameters
 321 static void diaRenderItem(int x, int y, struct UIItem *item, int selected, int haveFocus, int *w, int *h) {
 322         *h = UI_SPACING_H;
 323
 324         // all texts are rendered up from the given point!
 325         u64 txtcol;
 326
 327         if (diaIsControllable(item))
 328                 txtcol = gTheme->uiTextColor;
 329         else
 330                 txtcol = gTheme->textColor;
 331
 332         // let's see what do we have here?
 333         switch (item->type) {
 334                 case UI_TERMINATOR:
 335                         return;
 336
 337                 case UI_BUTTON:
 338                 case UI_LABEL: {
 339                         // width is text length in pixels...
 340                         const char *txt = diaGetLocalisedText(item->label.text, item->label.stringId);
 341                         if(txt && strlen(txt))
 342                                 *w = fntRenderString(gTheme->fonts[0], x, y, ALIGN_NONE, 0, 0, txt, txtcol) - x;
 343                         else
 344                                 *w = fntRenderString(gTheme->fonts[0], x, y, ALIGN_NONE, 0, 0, _l(_STR_NOT_SET), txtcol) - x;
 345
 346                         break;
 347                 }
 348
 349                 case UI_SPLITTER: {
 350                         // a line. Thanks to the font rendering, we need to shift up by one font line
 351                         *w = 0; // nothing to render at all
 352                         int ypos = y - UI_SPACING_V / 2; //  gsFont->CharHeight +
 353
 354                         // to ODD lines
 355                         ypos &= ~1;
 356
 357                         // two lines for lesser eye strain :)
 358                         rmDrawLine(x, ypos    , x + UI_BREAK_LEN, ypos    , gColWhite);
 359                         rmDrawLine(x, ypos + 1, x + UI_BREAK_LEN, ypos + 1, gColWhite);
 360                         break;
 361                 }
 362
 363                 case UI_BREAK:
 364                         *w = 0; // nothing to render at all
 365                         break;
 366
 367                 case UI_SPACER: {
 368                         // next column divisible by spacer
 369                         *w = (UI_SPACER_WIDTH - x % UI_SPACER_WIDTH);
 370
 371                         if (*w < UI_SPACER_MINIMAL) {
 372                                 x += *w + UI_SPACER_MINIMAL;
 373                                 *w += (UI_SPACER_WIDTH - x % UI_SPACER_WIDTH);
 374                         }
 375
 376                         *h = 0;
 377                         break;
 378                 }
 379
 380                 case UI_OK: {
 381                         const char *txt = _l(_STR_OK);
 382                         *w = fntRenderString(gTheme->fonts[0], x, y, ALIGN_NONE, 0, 0, txt, txtcol) - x;
 383                         break;
 384                 }
 385
 386                 case UI_INT: {
 387                         char tmp[10];
 388
 389                         snprintf(tmp, 10, "%d", item->intvalue.current);
 390                         *w = fntRenderString(gTheme->fonts[0], x, y, ALIGN_NONE, 0, 0, tmp, txtcol) - x;
 391                         break;
 392                 }
 393
 394                 case UI_STRING: {
 395                         if(strlen(item->stringvalue.text))
 396                                 *w = fntRenderString(gTheme->fonts[0], x, y, ALIGN_NONE, 0, 0, item->stringvalue.text, txtcol) - x;
 397                         else
 398                                 *w = fntRenderString(gTheme->fonts[0], x, y, ALIGN_NONE, 0, 0, _l(_STR_NOT_SET), txtcol) - x;
 399                         break;
 400                 }
 401
 402                 case UI_PASSWORD: {
 403                         char stars[32];
 404                         int i;
 405
 406                         int len = min(strlen(item->stringvalue.text), 30);
 407                         for (i = 0; i < len; ++i)
 408                                 stars[i] = '*';
 409
 410                         stars[i] = '\0';
 411                         *w = fntRenderString(gTheme->fonts[0], x, y, ALIGN_NONE, 0, 0, stars, txtcol) - x;
 412                         break;
 413                 }
 414
 415                 case UI_BOOL: {
 416                         const char *txtval = _l((item->intvalue.current) ? _STR_ON : _STR_OFF);
 417                         *w = fntRenderString(gTheme->fonts[0], x, y, ALIGN_NONE, 0, 0, txtval, txtcol) - x;
 418                         break;
 419                 }
 420
 421                 case UI_ENUM: {
 422                         const char* tv = item->intvalue.enumvalues[item->intvalue.current];
 423
 424                         if (!tv)
 425                                 tv = _l(_STR_NO_ITEMS);
 426
 427                         *w = fntRenderString(gTheme->fonts[0], x, y, ALIGN_NONE, 0, 0, tv, txtcol) - x;
 428                         break;
 429                 }
 430
 431                 case UI_COLOUR: {
 432                         rmDrawRect(x, y + 3, 25, 17, txtcol);
 433                         u64 dcol = GS_SETREG_RGBA(item->colourvalue.r, item->colourvalue.g, item->colourvalue.b, 0x80);
 434                         rmDrawRect(x + 2, y + 5, 21, 13, dcol);
 435
 436                         *w = 25;
 437                         *h = 17;
 438                         break;
 439                 }
 440         }
 441
 442         if (selected)
 443                 diaDrawBoundingBox(x, y, *w, *h, haveFocus);
 444
 445         if (item->fixedWidth != 0) {
 446                 int newSize;
 447                 if (item->fixedWidth < 0)
 448                         newSize = item->fixedWidth * screenWidth / -100;
 449                 else
 450                         newSize = item->fixedWidth;
 451                 if (*w < newSize)
 452                         *w = newSize;
 453         }
 454
 455         if (item->fixedHeight != 0) {
 456                 int newSize;
 457                 if (item->fixedHeight < 0)
 458                         newSize = item->fixedHeight * screenHeight / -100;
 459                 else
 460                         newSize = item->fixedHeight;
 461                 if (*h < newSize)
 462                         *h = newSize;
 463         }
 464 }
 465
 466 /// renders whole ui screen (for given dialog setup)
 467 void diaRenderUI(struct UIItem *ui, short inMenu, struct UIItem *cur, int haveFocus) {
 468         guiDrawBGPlasma();
 469
 470         int x0 = 20;
 471         int y0 = 20;
 472
 473         // render all items
 474         struct UIItem *rc = ui;
 475         int x = x0, y = y0, hmax = 0;
 476
 477         while (rc->type != UI_TERMINATOR) {
 478                 int w = 0, h = 0;
 479
 480                 if (diaShouldBreakLine(rc)) {
 481                         x = x0;
 482
 483                         if (hmax > 0)
 484                                 y += hmax + UI_SPACING_H;
 485
 486                         hmax = 0;
 487                 }
 488
 489                 diaRenderItem(x, y, rc, rc == cur, haveFocus, &w, &h);
 490
 491                 if (w > 0)
 492                         x += w + UI_SPACING_V;
 493
 494                 hmax = (h > hmax) ? h : hmax;
 495
 496                 if (diaShouldBreakLineAfter(rc)) {
 497                         x = x0;
 498
 499                         if (hmax > 0)
 500                                 y += hmax + UI_SPACING_H;
 501
 502                         hmax = 0;
 503                 }
 504
 505                 rc++;
 506         }
 507
 508         if ((cur != NULL) && (!haveFocus) && (cur->hintId != -1)) {
 509                 diaDrawHint(cur->hintId);
 510         }
 511 }
 512
 513 /// sets the ui item value to the default again
 514 static void diaResetValue(struct UIItem *item) {
 515         switch(item->type) {
 516                 case UI_INT:
 517                 case UI_BOOL:
 518                         item->intvalue.current = item->intvalue.def;
 519                         return;
 520                 case UI_STRING:
 521                 case UI_PASSWORD:
 522                         strncpy(item->stringvalue.text, item->stringvalue.def, 32);
 523                         return;
 524                 default:
 525                         return;
 526         }
 527 }
 528
 529 static int diaHandleInput(struct UIItem *item, int *modified) {
 530         // circle loses focus, sets old values first
 531         if (getKeyOn(KEY_CIRCLE)) {
 532                 diaResetValue(item);
 533                 return 0;
 534         }
 535
 536         // cross loses focus without setting default
 537         if (getKeyOn(KEY_CROSS)) {
 538                 *modified = 0;
 539                 return 0;
 540         }
 541
 542         // UI item type dependant part:
 543         if (item->type == UI_BOOL) {
 544                 // a trick. Set new value, lose focus
 545                 item->intvalue.current = !item->intvalue.current;
 546                 return 0;
 547         } if (item->type == UI_INT) {
 548                 // to be sure
 549                 setButtonDelay(KEY_UP, DIA_INT_SET_SPEED);
 550                 setButtonDelay(KEY_DOWN, DIA_INT_SET_SPEED);
 551
 552                 // up and down
 553                 if (getKey(KEY_UP) && (item->intvalue.current < item->intvalue.max))
 554                         item->intvalue.current++;
 555                 else if (getKey(KEY_DOWN) && (item->intvalue.current > item->intvalue.min))
 556                         item->intvalue.current--;
 557                 else
 558                         *modified = 0;
 559         } else if ((item->type == UI_STRING) || (item->type == UI_PASSWORD)) {
 560                 char tmp[32];
 561                 strncpy(tmp, item->stringvalue.text, 32);
 562
 563                 if (item->stringvalue.handler) {
 564                         if (item->stringvalue.handler(tmp, 32))
 565                                 strncpy(item->stringvalue.text, tmp, 32);
 566                 } else {
 567                         if (diaShowKeyb(tmp, 32))
 568                                 strncpy(item->stringvalue.text, tmp, 32);
 569                 }
 570
 571                 return 0;
 572         } else if (item->type == UI_ENUM) {
 573                 int cur = item->intvalue.current;
 574
 575                 if (item->intvalue.enumvalues[cur] == NULL) {
 576                         if (cur > 0)
 577                                 item->intvalue.current--;
 578                         else
 579                                 return 0;
 580                 }
 581
 582                 if (getKey(KEY_UP) && (item->intvalue.current > 0))
 583                         item->intvalue.current--;
 584                 else if (getKey(KEY_DOWN) && (item->intvalue.enumvalues[item->intvalue.current + 1] != NULL))
 585                         item->intvalue.current++;
 586                 else
 587                         *modified = 0;
 588         } else if (item->type == UI_COLOUR) {
 589                 if (!diaShowColSel(&item->colourvalue.r, &item->colourvalue.g, &item->colourvalue.b))
 590                         *modified = 0;
 591
 592                 return 0;
 593         }
 594
 595         return 1;
 596 }
 597
 598 static struct UIItem *diaGetFirstControl(struct UIItem *ui) {
 599         struct UIItem *cur = ui;
 600
 601         while (!diaIsControllable(cur)) {
 602                 if (cur->type == UI_TERMINATOR)
 603                         return ui;
 604
 605                 cur++;
 606         }
 607
 608         return cur;
 609 }
 610
 611 static struct UIItem *diaGetLastControl(struct UIItem *ui) {
 612         struct UIItem *last = diaGetFirstControl(ui);
 613         struct UIItem *cur = last;
 614
 615         while (cur->type != UI_TERMINATOR) {
 616                 cur++;
 617
 618                 if (diaIsControllable(cur))
 619                         last = cur;
 620         }
 621
 622         return last;
 623 }
 624
 625 static struct UIItem *diaGetNextControl(struct UIItem *cur, struct UIItem* dflt) {
 626         while (cur->type != UI_TERMINATOR) {
 627                 cur++;
 628
 629                 if (diaIsControllable(cur))
 630                         return cur;
 631         }
 632
 633         return dflt;
 634 }
 635
 636 static struct UIItem *diaGetPrevControl(struct UIItem* cur, struct UIItem *ui) {
 637         struct UIItem *newf = cur;
 638
 639         while (newf != ui) {
 640                 newf--;
 641
 642                 if (diaIsControllable(newf))
 643                         return newf;
 644         }
 645
 646         return cur;
 647 }
 648
 649 /// finds first control on previous line...
 650 static struct UIItem *diaGetPrevLine(struct UIItem* cur, struct UIItem *ui) {
 651         struct UIItem *newf = cur;
 652
 653         int lb = 0;
 654         int hadCtrl = 0; // had the scanned line any control?
 655
 656         while (newf != ui) {
 657                 newf--;
 658
 659                 if ((lb > 0) && (diaIsControllable(newf)))
 660                         hadCtrl = 1;
 661
 662                 if (diaShouldBreakLine(newf)) {// is this a line break?
 663                         if (hadCtrl || lb == 0) {
 664                                 lb++;
 665                                 hadCtrl = 0;
 666                         }
 667                 }
 668
 669                 // twice the break? find first control
 670                 if (lb == 2)
 671                         return diaGetFirstControl(newf);
 672         }
 673
 674         return cur;
 675 }
 676
 677 static struct UIItem *diaGetNextLine(struct UIItem* cur, struct UIItem *ui) {
 678         struct UIItem *newf = cur;
 679
 680         int lb = 0;
 681
 682         while (newf->type != UI_TERMINATOR) {
 683                 newf++;
 684
 685                 if (diaShouldBreakLine(newf)) {// is this a line break?
 686                                 lb++;
 687                 }
 688
 689                 if (lb == 1)
 690                         return diaGetNextControl(newf, cur);
 691         }
 692
 693         return cur;
 694 }
 695
 696 static int diaPadSettings[16];
 697
 698 static void diaStoreScrollSpeed(void) {
 699         padStoreSettings(diaPadSettings);
 700 }
 701
 702 static void diaRestoreScrollSpeed(void) {
 703         padRestoreSettings(diaPadSettings);
 704 }
 705
 706 static struct UIItem* diaFindByID(struct UIItem* ui, int id) {
 707         while (ui->type != UI_TERMINATOR) {
 708                 if (ui->id == id)
 709                         return ui;
 710
 711                 ui++;
 712         }
 713
 714         return NULL;
 715 }
 716
 717 int diaExecuteDialog(struct UIItem *ui, int uiId, short inMenu, int (*updater)(int modified)) {
 718         rmGetScreenExtents(&screenWidth, &screenHeight);
 719
 720         struct UIItem *cur = NULL;
 721         if (uiId != -1)
 722                 cur = diaFindByID(ui, uiId);
 723
 724         if (!cur)
 725                 cur = diaGetFirstControl(ui);
 726
 727         // what? no controllable item? Exit!
 728         if (cur == ui)
 729                 return -1;
 730
 731         int haveFocus = 0, modified;
 732
 733         diaStoreScrollSpeed();
 734
 735         // slower controls for dialogs
 736         setButtonDelay(KEY_UP, DIA_SCROLL_SPEED);
 737         setButtonDelay(KEY_DOWN, DIA_SCROLL_SPEED);
 738
 739         // okay, we have the first selectable item
 740         // we can proceed with rendering etc. etc.
 741         while (1) {
 742                 rmStartFrame();
 743                 diaRenderUI(ui, inMenu, cur, haveFocus);
 744                 rmEndFrame();
 745
 746                 readPads();
 747
 748                 if (haveFocus) {
 749                         modified = 1;
 750                         haveFocus = diaHandleInput(cur, &modified);
 751
 752                         if (!haveFocus) {
 753                                 setButtonDelay(KEY_UP, DIA_SCROLL_SPEED);
 754                                 setButtonDelay(KEY_DOWN, DIA_SCROLL_SPEED);
 755                         }
 756                 } else {
 757                         modified = 0;
 758                         if (getKey(KEY_LEFT)) {
 759                                 struct UIItem *newf = diaGetPrevControl(cur, ui);
 760
 761                                 if (newf == cur)
 762                                         cur = diaGetLastControl(ui);
 763                                 else
 764                                         cur = newf;
 765                         }
 766
 767                         if (getKey(KEY_RIGHT)) {
 768                                 struct UIItem *newf = diaGetNextControl(cur, cur);
 769
 770                                 if (newf == cur)
 771                                         cur = diaGetFirstControl(ui);
 772                                 else
 773                                         cur = newf;
 774                         }
 775
 776                         if(getKey(KEY_UP)) {
 777                                 // find
 778                                 struct UIItem *newf = diaGetPrevLine(cur, ui);
 779
 780                                 if (newf == cur)
 781                                         cur = diaGetLastControl(ui);
 782                                 else
 783                                         cur = newf;
 784                         }
 785
 786                         if(getKey(KEY_DOWN)) {
 787                                 // find
 788                                 struct UIItem *newf = diaGetNextLine(cur, ui);
 789
 790                                 if (newf == cur)
 791                                         cur = diaGetFirstControl(ui);
 792                                 else
 793                                         cur = newf;
 794                         }
 795
 796                         // circle breaks focus or exits with false result
 797                         if (getKeyOn(KEY_CIRCLE)) {
 798                                 diaRestoreScrollSpeed();
 799                                 return 0;
 800                         }
 801
 802                         // see what key events we have
 803                         if (getKeyOn(KEY_CROSS)) {
 804                                 haveFocus = 1;
 805
 806                                 if (cur->type == UI_BUTTON) {
 807                                         diaRestoreScrollSpeed();
 808                                         return cur->id;
 809                                 }
 810
 811                                 if (cur->type == UI_OK) {
 812                                         diaRestoreScrollSpeed();
 813                                         return 1;
 814                                 }
 815                         }
 816                 }
 817
 818                 if (updater) {
 819                         int updResult = updater(modified);
 820                         if (updResult)
 821                                 return updResult;
 822                 }
 823         }
 824 }
 825
 826 void diaSetEnabled(struct UIItem* ui, int id, int enabled) {
 827         struct UIItem *item = diaFindByID(ui, id);
 828
 829         if (!item)
 830                 return;
 831
 832         item->enabled = enabled;
 833 }
 834
 835 int diaGetInt(struct UIItem* ui, int id, int *value) {
 836         struct UIItem *item = diaFindByID(ui, id);
 837
 838         if (!item)
 839                 return 0;
 840
 841         if ((item->type == UI_INT) || (item->type == UI_BOOL) || (item->type == UI_ENUM)) {
 842                 *value = item->intvalue.current;
 843                 return 1;
 844         }
 845
 846         return 0;
 847 }
 848
 849 int diaSetInt(struct UIItem* ui, int id, int value) {
 850         struct UIItem *item = diaFindByID(ui, id);
 851
 852         if (!item)
 853                 return 0;
 854
 855         if ((item->type == UI_INT) || (item->type == UI_BOOL) || (item->type == UI_ENUM)) {
 856                 item->intvalue.def = value;
 857                 item->intvalue.current = value;
 858                 return 1;
 859         }
 860
 861         return 0;
 862 }
 863
 864 int diaGetString(struct UIItem* ui, int id, char *value) {
 865         struct UIItem *item = diaFindByID(ui, id);
 866
 867         if (!item)
 868                 return 0;
 869
 870         if ((item->type == UI_STRING) || (item->type == UI_PASSWORD)) {
 871                 strncpy(value, item->stringvalue.text, 32);
 872                 return 1;
 873         }
 874
 875         return 0;
 876 }
 877
 878 int diaSetString(struct UIItem* ui, int id, const char *text) {
 879         struct UIItem *item = diaFindByID(ui, id);
 880
 881         if (!item)
 882                 return 0;
 883
 884         if ((item->type == UI_STRING) || (item->type == UI_PASSWORD)) {
 885                 strncpy(item->stringvalue.def, text, 32);
 886                 strncpy(item->stringvalue.text, text, 32);
 887                 return 1;
 888         }
 889
 890         return 0;
 891 }
 892
 893 int diaGetColor(struct UIItem* ui, int id, unsigned char *col) {
 894         struct UIItem *item = diaFindByID(ui, id);
 895
 896         if (!item)
 897                 return 0;
 898
 899         if (item->type != UI_COLOUR)
 900                 return 0;
 901
 902         col[0] = item->colourvalue.r;
 903         col[1] = item->colourvalue.g;
 904         col[2] = item->colourvalue.b;
 905         return 1;
 906 }
 907
 908 int diaSetColor(struct UIItem* ui, int id, const unsigned char *col) {
 909         struct UIItem *item = diaFindByID(ui, id);
 910
 911         if (!item)
 912                 return 0;
 913
 914         if (item->type != UI_COLOUR)
 915                 return 0;
 916
 917         item->colourvalue.r = col[0];
 918         item->colourvalue.g = col[1];
 919         item->colourvalue.b = col[2];
 920         return 1;
 921 }
 922
 923 int diaSetU64Color(struct UIItem* ui, int id, u64 col) {
 924         struct UIItem *item = diaFindByID(ui, id);
 925
 926         if (!item)
 927                 return 0;
 928
 929         if (item->type != UI_COLOUR)
 930                 return 0;
 931
 932         item->colourvalue.r = col & 0xFF;
 933         col >>= 8;
 934         item->colourvalue.g = col & 0xFF;
 935         col >>= 8;
 936         item->colourvalue.b = col & 0xFF;
 937         return 1;
 938 }
 939
 940 int diaSetLabel(struct UIItem* ui, int id, const char *text) {
 941         struct UIItem *item = diaFindByID(ui, id);
 942
 943         if (!item)
 944                 return 0;
 945
 946         if ((item->type == UI_LABEL) || (item->type == UI_BUTTON)) {
 947                 item->label.text = text;
 948                 return 1;
 949         }
 950
 951         return 0;
 952 }
 953
 954 int diaSetEnum(struct UIItem* ui, int id, const char **enumvals) {
 955         struct UIItem *item = diaFindByID(ui, id);
 956
 957         if (!item)
 958                 return 0;
 959
 960         if (item->type != UI_ENUM)
 961                 return 0;
 962
 963         item->intvalue.enumvalues = enumvals;
 964         return 1;
 965 }