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fix a buffer overflow
[libpicofe.git] / menu.c
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1/*\r
2 * (C) GraÅžvydas "notaz" Ignotas, 2006-2012\r
3 *\r
4 * This work is licensed under the terms of any of these licenses\r
5 * (at your option):\r
6 * - GNU GPL, version 2 or later.\r
7 * - GNU LGPL, version 2.1 or later.\r
8 * - MAME license.\r
9 * See the COPYING file in the top-level directory.\r
10 */\r
11\r
12#include <stdio.h>\r
13#include <string.h>\r
14#include <stdlib.h>\r
15#include <stdarg.h>\r
16#include <time.h>\r
17#include <locale.h> // savestate date\r
18\r
19#include "menu.h"\r
20#include "fonts.h"\r
21#include "readpng.h"\r
22#include "lprintf.h"\r
23#include "input.h"\r
24#include "plat.h"\r
25#include "posix.h"\r
26\r
27static char static_buff[64];\r
28static int menu_error_time = 0;\r
29char menu_error_msg[64] = { 0, };\r
30void *g_menuscreen_ptr;\r
31void *g_menubg_src_ptr;\r
32void *g_menubg_ptr;\r
33\r
34int g_menuscreen_w;\r
35int g_menuscreen_h;\r
36\r
37int g_autostateld_opt;\r
38\r
39static unsigned char *menu_font_data = NULL;\r
40static int menu_text_color = 0xfffe; // default to white\r
41static int menu_sel_color = -1; // disabled\r
42\r
43/* note: these might become non-constant in future */\r
44#if MENU_X2\r
45static const int me_mfont_w = 16, me_mfont_h = 20;\r
46static const int me_sfont_w = 12, me_sfont_h = 20;\r
47#else\r
48static const int me_mfont_w = 8, me_mfont_h = 10;\r
49static const int me_sfont_w = 6, me_sfont_h = 10;\r
50#endif\r
51\r
52static int g_menu_filter_off;\r
53static int g_border_style;\r
54static int border_left, border_right, border_top, border_bottom;\r
55\r
56// draws text to current bbp16 screen\r
57static void text_out16_(int x, int y, const char *text, int color)\r
58{\r
59 int i, lh, tr, tg, tb, len;\r
60 unsigned short *dest = (unsigned short *)g_menuscreen_ptr + x + y * g_menuscreen_w;\r
61 tr = (color & 0xf800) >> 8;\r
62 tg = (color & 0x07e0) >> 3;\r
63 tb = (color & 0x001f) << 3;\r
64\r
65 if (text == (void *)1)\r
66 {\r
67 // selector symbol\r
68 text = "";\r
69 len = 1;\r
70 }\r
71 else\r
72 {\r
73 const char *p;\r
74 for (p = text; *p != 0 && *p != '\n'; p++)\r
75 ;\r
76 len = p - text;\r
77 }\r
78\r
79 lh = me_mfont_h;\r
80 if (y + lh > g_menuscreen_h)\r
81 lh = g_menuscreen_h - y;\r
82\r
83 for (i = 0; i < len; i++)\r
84 {\r
85 unsigned char *src = menu_font_data + (unsigned int)text[i] * me_mfont_w * me_mfont_h / 2;\r
86 unsigned short *dst = dest;\r
87 int u, l;\r
88\r
89 for (l = 0; l < lh; l++, dst += g_menuscreen_w - me_mfont_w)\r
90 {\r
91 for (u = me_mfont_w / 2; u > 0; u--, src++)\r
92 {\r
93 int c, r, g, b;\r
94 c = *src >> 4;\r
95 r = (*dst & 0xf800) >> 8;\r
96 g = (*dst & 0x07e0) >> 3;\r
97 b = (*dst & 0x001f) << 3;\r
98 r = (c^0xf)*r/15 + c*tr/15;\r
99 g = (c^0xf)*g/15 + c*tg/15;\r
100 b = (c^0xf)*b/15 + c*tb/15;\r
101 *dst++ = ((r<<8)&0xf800) | ((g<<3)&0x07e0) | (b>>3);\r
102 c = *src & 0xf;\r
103 r = (*dst & 0xf800) >> 8;\r
104 g = (*dst & 0x07e0) >> 3;\r
105 b = (*dst & 0x001f) << 3;\r
106 r = (c^0xf)*r/15 + c*tr/15;\r
107 g = (c^0xf)*g/15 + c*tg/15;\r
108 b = (c^0xf)*b/15 + c*tb/15;\r
109 *dst++ = ((r<<8)&0xf800) | ((g<<3)&0x07e0) | (b>>3);\r
110 }\r
111 }\r
112 dest += me_mfont_w;\r
113 }\r
114\r
115 if (x < border_left)\r
116 border_left = x;\r
117 if (x + i * me_mfont_w > border_right)\r
118 border_right = x + i * me_mfont_w;\r
119 if (y < border_top)\r
120 border_top = y;\r
121 if (y + me_mfont_h > border_bottom)\r
122 border_bottom = y + me_mfont_h;\r
123}\r
124\r
125void text_out16(int x, int y, const char *texto, ...)\r
126{\r
127 va_list args;\r
128 char buffer[256];\r
129 int maxw = (g_menuscreen_w - x) / me_mfont_w;\r
130\r
131 if (maxw < 0)\r
132 return;\r
133\r
134 va_start(args, texto);\r
135 vsnprintf(buffer, sizeof(buffer), texto, args);\r
136 va_end(args);\r
137\r
138 if (maxw > sizeof(buffer) - 1)\r
139 maxw = sizeof(buffer) - 1;\r
140 buffer[maxw] = 0;\r
141\r
142 text_out16_(x,y,buffer,menu_text_color);\r
143}\r
144\r
145/* draws in 6x8 font, might multiply size by integer */\r
146static void smalltext_out16_(int x, int y, const char *texto, int color)\r
147{\r
148 unsigned char *src;\r
149 unsigned short *dst;\r
150 int multiplier = me_sfont_w / 6;\r
151 int i;\r
152\r
153 for (i = 0;; i++, x += me_sfont_w)\r
154 {\r
155 unsigned char c = (unsigned char) texto[i];\r
156 int h = 8;\r
157\r
158 if (!c || c == '\n')\r
159 break;\r
160\r
161 src = fontdata6x8[c];\r
162 dst = (unsigned short *)g_menuscreen_ptr + x + y * g_menuscreen_w;\r
163\r
164 while (h--)\r
165 {\r
166 int m, w2, h2;\r
167 for (h2 = multiplier; h2 > 0; h2--)\r
168 {\r
169 for (m = 0x20; m; m >>= 1) {\r
170 if (*src & m)\r
171 for (w2 = multiplier; w2 > 0; w2--)\r
172 *dst++ = color;\r
173 else\r
174 dst += multiplier;\r
175 }\r
176\r
177 dst += g_menuscreen_w - me_sfont_w;\r
178 }\r
179 src++;\r
180 }\r
181 }\r
182}\r
183\r
184static void smalltext_out16(int x, int y, const char *texto, int color)\r
185{\r
186 char buffer[128];\r
187 int maxw = (g_menuscreen_w - x) / me_sfont_w;\r
188\r
189 if (maxw < 0)\r
190 return;\r
191\r
192 strncpy(buffer, texto, sizeof(buffer));\r
193 if (maxw > sizeof(buffer) - 1)\r
194 maxw = sizeof(buffer) - 1;\r
195 buffer[maxw] = 0;\r
196\r
197 smalltext_out16_(x, y, buffer, color);\r
198}\r
199\r
200static void menu_draw_selection(int x, int y, int w)\r
201{\r
202 int i, h;\r
203 unsigned short *dst, *dest;\r
204\r
205 text_out16_(x, y, (void *)1, (menu_sel_color < 0) ? menu_text_color : menu_sel_color);\r
206\r
207 if (menu_sel_color < 0) return; // no selection hilight\r
208\r
209 if (y > 0) y--;\r
210 dest = (unsigned short *)g_menuscreen_ptr + x + y * g_menuscreen_w + me_mfont_w * 2 - 2;\r
211 for (h = me_mfont_h + 1; h > 0; h--)\r
212 {\r
213 dst = dest;\r
214 for (i = w - (me_mfont_w * 2 - 2); i > 0; i--)\r
215 *dst++ = menu_sel_color;\r
216 dest += g_menuscreen_w;\r
217 }\r
218}\r
219\r
220static int parse_hex_color(char *buff)\r
221{\r
222 char *endp = buff;\r
223 int t = (int) strtoul(buff, &endp, 16);\r
224 if (endp != buff)\r
225#ifdef PSP\r
226 return ((t<<8)&0xf800) | ((t>>5)&0x07e0) | ((t>>19)&0x1f);\r
227#else\r
228 return ((t>>8)&0xf800) | ((t>>5)&0x07e0) | ((t>>3)&0x1f);\r
229#endif\r
230 return -1;\r
231}\r
232\r
233static char tolower_simple(char c)\r
234{\r
235 if ('A' <= c && c <= 'Z')\r
236 c = c - 'A' + 'a';\r
237 return c;\r
238}\r
239\r
240void menu_init_base(void)\r
241{\r
242 int i, c, l, pos;\r
243 unsigned char *fd, *fds;\r
244 char buff[256];\r
245 FILE *f;\r
246\r
247 if (menu_font_data != NULL)\r
248 free(menu_font_data);\r
249\r
250 menu_font_data = calloc((MENU_X2 ? 256 * 320 : 128 * 160) / 2, 1);\r
251 if (menu_font_data == NULL)\r
252 return;\r
253\r
254 // generate default 8x10 font from fontdata8x8\r
255 for (c = 0, fd = menu_font_data; c < 128; c++)\r
256 {\r
257 for (l = 0; l < 8; l++)\r
258 {\r
259 unsigned char fd8x8 = fontdata8x8[c*8+l];\r
260 if (fd8x8&0x80) *fd = 0xf0;\r
261 if (fd8x8&0x40) *fd |= 0x0f; fd++;\r
262 if (fd8x8&0x20) *fd = 0xf0;\r
263 if (fd8x8&0x10) *fd |= 0x0f; fd++;\r
264 if (fd8x8&0x08) *fd = 0xf0;\r
265 if (fd8x8&0x04) *fd |= 0x0f; fd++;\r
266 if (fd8x8&0x02) *fd = 0xf0;\r
267 if (fd8x8&0x01) *fd |= 0x0f; fd++;\r
268 }\r
269 fd += 8*2/2; // 2 empty lines\r
270 }\r
271\r
272 if (MENU_X2) {\r
273 // expand default font\r
274 fds = menu_font_data + 128 * 160 / 2 - 4;\r
275 fd = menu_font_data + 256 * 320 / 2 - 1;\r
276 for (c = 255; c >= 0; c--)\r
277 {\r
278 for (l = 9; l >= 0; l--, fds -= 4)\r
279 {\r
280 for (i = 3; i >= 0; i--) {\r
281 int px = fds[i] & 0x0f;\r
282 *fd-- = px | (px << 4);\r
283 px = (fds[i] >> 4) & 0x0f;\r
284 *fd-- = px | (px << 4);\r
285 }\r
286 for (i = 3; i >= 0; i--) {\r
287 int px = fds[i] & 0x0f;\r
288 *fd-- = px | (px << 4);\r
289 px = (fds[i] >> 4) & 0x0f;\r
290 *fd-- = px | (px << 4);\r
291 }\r
292 }\r
293 }\r
294 }\r
295\r
296 // load custom font and selector (stored as 1st symbol in font table)\r
297 pos = plat_get_skin_dir(buff, sizeof(buff));\r
298 strcpy(buff + pos, "font.png");\r
299 readpng(menu_font_data, buff, READPNG_FONT,\r
300 MENU_X2 ? 256 : 128, MENU_X2 ? 320 : 160);\r
301 // default selector symbol is '>'\r
302 memcpy(menu_font_data, menu_font_data + ((int)'>') * me_mfont_w * me_mfont_h / 2,\r
303 me_mfont_w * me_mfont_h / 2);\r
304 strcpy(buff + pos, "selector.png");\r
305 readpng(menu_font_data, buff, READPNG_SELECTOR, me_mfont_w, me_mfont_h);\r
306\r
307 // load custom colors\r
308 strcpy(buff + pos, "skin.txt");\r
309 f = fopen(buff, "r");\r
310 if (f != NULL)\r
311 {\r
312 lprintf("found skin.txt\n");\r
313 while (!feof(f))\r
314 {\r
315 if (fgets(buff, sizeof(buff), f) == NULL)\r
316 break;\r
317 if (buff[0] == '#' || buff[0] == '/') continue; // comment\r
318 if (buff[0] == '\r' || buff[0] == '\n') continue; // empty line\r
319 if (strncmp(buff, "text_color=", 11) == 0)\r
320 {\r
321 int tmp = parse_hex_color(buff+11);\r
322 if (tmp >= 0) menu_text_color = tmp;\r
323 else lprintf("skin.txt: parse error for text_color\n");\r
324 }\r
325 else if (strncmp(buff, "selection_color=", 16) == 0)\r
326 {\r
327 int tmp = parse_hex_color(buff+16);\r
328 if (tmp >= 0) menu_sel_color = tmp;\r
329 else lprintf("skin.txt: parse error for selection_color\n");\r
330 }\r
331 else\r
332 lprintf("skin.txt: parse error: %s\n", buff);\r
333 }\r
334 fclose(f);\r
335 }\r
336\r
337 // use user's locale for savestate date display\r
338 setlocale(LC_TIME, "");\r
339}\r
340\r
341static void menu_darken_bg(void *dst, void *src, int pixels, int darker)\r
342{\r
343 unsigned int *dest = dst;\r
344 unsigned int *sorc = src;\r
345 pixels /= 2;\r
346 if (darker)\r
347 {\r
348 while (pixels--)\r
349 {\r
350 unsigned int p = *sorc++;\r
351 *dest++ = ((p&0xf79ef79e)>>1) - ((p&0xc618c618)>>3);\r
352 }\r
353 }\r
354 else\r
355 {\r
356 while (pixels--)\r
357 {\r
358 unsigned int p = *sorc++;\r
359 *dest++ = (p&0xf79ef79e)>>1;\r
360 }\r
361 }\r
362}\r
363\r
364static void menu_darken_text_bg(void)\r
365{\r
366 int x, y, xmin, xmax, ymax, ls;\r
367 unsigned short *screen = g_menuscreen_ptr;\r
368\r
369 xmin = border_left - 3;\r
370 if (xmin < 0)\r
371 xmin = 0;\r
372 xmax = border_right + 2;\r
373 if (xmax > g_menuscreen_w - 1)\r
374 xmax = g_menuscreen_w - 1;\r
375\r
376 y = border_top - 3;\r
377 if (y < 0)\r
378 y = 0;\r
379 ymax = border_bottom + 2;\r
380 if (ymax > g_menuscreen_h - 1)\r
381 ymax = g_menuscreen_h - 1;\r
382\r
383 for (x = xmin; x <= xmax; x++)\r
384 screen[y * g_menuscreen_w + x] = 0xa514;\r
385 for (y++; y < ymax; y++)\r
386 {\r
387 ls = y * g_menuscreen_w;\r
388 screen[ls + xmin] = 0xffff;\r
389 for (x = xmin + 1; x < xmax; x++)\r
390 {\r
391 unsigned int p = screen[ls + x];\r
392 if (p != menu_text_color)\r
393 screen[ls + x] = ((p&0xf79e)>>1) - ((p&0xc618)>>3);\r
394 }\r
395 screen[ls + xmax] = 0xffff;\r
396 }\r
397 ls = y * g_menuscreen_w;\r
398 for (x = xmin; x <= xmax; x++)\r
399 screen[ls + x] = 0xffff;\r
400}\r
401\r
402static int borders_pending;\r
403\r
404static void menu_reset_borders(void)\r
405{\r
406 border_left = g_menuscreen_w;\r
407 border_right = 0;\r
408 border_top = g_menuscreen_h;\r
409 border_bottom = 0;\r
410}\r
411\r
412static void menu_draw_begin(int need_bg, int no_borders)\r
413{\r
414 plat_video_menu_begin();\r
415\r
416 menu_reset_borders();\r
417 borders_pending = g_border_style && !no_borders;\r
418\r
419 if (need_bg) {\r
420 if (g_border_style && no_borders) {\r
421 menu_darken_bg(g_menuscreen_ptr, g_menubg_ptr,\r
422 g_menuscreen_w * g_menuscreen_h, 1);\r
423 }\r
424 else {\r
425 memcpy(g_menuscreen_ptr, g_menubg_ptr,\r
426 g_menuscreen_w * g_menuscreen_h * 2);\r
427 }\r
428 }\r
429}\r
430\r
431static void menu_draw_end(void)\r
432{\r
433 if (borders_pending)\r
434 menu_darken_text_bg();\r
435 plat_video_menu_end();\r
436}\r
437\r
438static void menu_separation(void)\r
439{\r
440 if (borders_pending) {\r
441 menu_darken_text_bg();\r
442 menu_reset_borders();\r
443 }\r
444}\r
445\r
446static int me_id2offset(const menu_entry *ent, menu_id id)\r
447{\r
448 int i;\r
449 for (i = 0; ent->name; ent++, i++)\r
450 if (ent->id == id) return i;\r
451\r
452 lprintf("%s: id %i not found\n", __FUNCTION__, id);\r
453 return 0;\r
454}\r
455\r
456static void me_enable(menu_entry *entries, menu_id id, int enable)\r
457{\r
458 int i = me_id2offset(entries, id);\r
459 entries[i].enabled = enable;\r
460}\r
461\r
462static int me_count(const menu_entry *ent)\r
463{\r
464 int ret;\r
465\r
466 for (ret = 0; ent->name; ent++, ret++)\r
467 ;\r
468\r
469 return ret;\r
470}\r
471\r
472static unsigned int me_read_onoff(const menu_entry *ent)\r
473{\r
474 // guess var size based on mask to avoid reading too much\r
475 if (ent->mask & 0xffff0000)\r
476 return *(unsigned int *)ent->var & ent->mask;\r
477 else if (ent->mask & 0xff00)\r
478 return *(unsigned short *)ent->var & ent->mask;\r
479 else\r
480 return *(unsigned char *)ent->var & ent->mask;\r
481}\r
482\r
483static void me_toggle_onoff(menu_entry *ent)\r
484{\r
485 // guess var size based on mask to avoid reading too much\r
486 if (ent->mask & 0xffff0000)\r
487 *(unsigned int *)ent->var ^= ent->mask;\r
488 else if (ent->mask & 0xff00)\r
489 *(unsigned short *)ent->var ^= ent->mask;\r
490 else\r
491 *(unsigned char *)ent->var ^= ent->mask;\r
492}\r
493\r
494static void me_draw(const menu_entry *entries, int sel, void (*draw_more)(void))\r
495{\r
496 const menu_entry *ent, *ent_sel = entries;\r
497 int x, y, w = 0, h = 0;\r
498 int offs, col2_offs = 27 * me_mfont_w;\r
499 int vi_sel_ln = 0;\r
500 const char *name;\r
501 int i, n;\r
502\r
503 /* calculate size of menu rect */\r
504 for (ent = entries, i = n = 0; ent->name; ent++, i++)\r
505 {\r
506 int wt;\r
507\r
508 if (!ent->enabled)\r
509 continue;\r
510\r
511 if (i == sel) {\r
512 ent_sel = ent;\r
513 vi_sel_ln = n;\r
514 }\r
515\r
516 name = NULL;\r
517 wt = strlen(ent->name) * me_mfont_w;\r
518 if (wt == 0 && ent->generate_name)\r
519 name = ent->generate_name(ent->id, &offs);\r
520 if (name != NULL)\r
521 wt = strlen(name) * me_mfont_w;\r
522\r
523 if (ent->beh != MB_NONE)\r
524 {\r
525 if (wt > col2_offs)\r
526 col2_offs = wt + me_mfont_w;\r
527 wt = col2_offs;\r
528\r
529 switch (ent->beh) {\r
530 case MB_NONE:\r
531 break;\r
532 case MB_OPT_ONOFF:\r
533 case MB_OPT_RANGE:\r
534 wt += me_mfont_w * 3;\r
535 break;\r
536 case MB_OPT_CUSTOM:\r
537 case MB_OPT_CUSTONOFF:\r
538 case MB_OPT_CUSTRANGE:\r
539 name = NULL;\r
540 offs = 0;\r
541 if (ent->generate_name != NULL)\r
542 name = ent->generate_name(ent->id, &offs);\r
543 if (name != NULL)\r
544 wt += (strlen(name) + offs) * me_mfont_w;\r
545 break;\r
546 case MB_OPT_ENUM:\r
547 wt += 10 * me_mfont_w;\r
548 break;\r
549 }\r
550 }\r
551\r
552 if (wt > w)\r
553 w = wt;\r
554 n++;\r
555 }\r
556 h = n * me_mfont_h;\r
557 w += me_mfont_w * 2; /* selector */\r
558\r
559 if (w > g_menuscreen_w) {\r
560 lprintf("width %d > %d\n", w, g_menuscreen_w);\r
561 w = g_menuscreen_w;\r
562 }\r
563 if (h > g_menuscreen_h) {\r
564 lprintf("height %d > %d\n", w, g_menuscreen_h);\r
565 h = g_menuscreen_h;\r
566 }\r
567\r
568 x = g_menuscreen_w / 2 - w / 2;\r
569 y = g_menuscreen_h / 2 - h / 2;\r
570#ifdef MENU_ALIGN_LEFT\r
571 if (x > 12) x = 12;\r
572#endif\r
573\r
574 /* draw */\r
575 menu_draw_begin(1, 0);\r
576 menu_draw_selection(x, y + vi_sel_ln * me_mfont_h, w);\r
577 x += me_mfont_w * 2;\r
578\r
579 for (ent = entries; ent->name; ent++)\r
580 {\r
581 const char **names;\r
582 int len, leftname_end = 0;\r
583\r
584 if (!ent->enabled)\r
585 continue;\r
586\r
587 name = ent->name;\r
588 if (strlen(name) == 0) {\r
589 if (ent->generate_name)\r
590 name = ent->generate_name(ent->id, &offs);\r
591 }\r
592 if (name != NULL) {\r
593 text_out16(x, y, name);\r
594 leftname_end = x + (strlen(name) + 1) * me_mfont_w;\r
595 }\r
596\r
597 switch (ent->beh) {\r
598 case MB_NONE:\r
599 break;\r
600 case MB_OPT_ONOFF:\r
601 text_out16(x + col2_offs, y, me_read_onoff(ent) ? "ON" : "OFF");\r
602 break;\r
603 case MB_OPT_RANGE:\r
604 text_out16(x + col2_offs, y, "%i", *(int *)ent->var);\r
605 break;\r
606 case MB_OPT_CUSTOM:\r
607 case MB_OPT_CUSTONOFF:\r
608 case MB_OPT_CUSTRANGE:\r
609 name = NULL;\r
610 offs = 0;\r
611 if (ent->generate_name)\r
612 name = ent->generate_name(ent->id, &offs);\r
613 if (name != NULL)\r
614 text_out16(x + col2_offs + offs * me_mfont_w, y, "%s", name);\r
615 break;\r
616 case MB_OPT_ENUM:\r
617 names = (const char **)ent->data;\r
618 for (i = 0; names[i] != NULL; i++) {\r
619 offs = x + col2_offs;\r
620 len = strlen(names[i]);\r
621 if (len > 10)\r
622 offs += (10 - len - 2) * me_mfont_w;\r
623 if (offs < leftname_end)\r
624 offs = leftname_end;\r
625 if (i == *(unsigned char *)ent->var) {\r
626 text_out16(offs, y, "%s", names[i]);\r
627 break;\r
628 }\r
629 }\r
630 break;\r
631 }\r
632\r
633 y += me_mfont_h;\r
634 }\r
635\r
636 menu_separation();\r
637\r
638 /* display help or message if we have one */\r
639 h = (g_menuscreen_h - h) / 2; // bottom area height\r
640 if (menu_error_msg[0] != 0) {\r
641 if (h >= me_mfont_h + 4)\r
642 text_out16(5, g_menuscreen_h - me_mfont_h - 4, menu_error_msg);\r
643 else\r
644 lprintf("menu msg doesn't fit!\n");\r
645\r
646 if (plat_get_ticks_ms() - menu_error_time > 2048)\r
647 menu_error_msg[0] = 0;\r
648 }\r
649 else if (ent_sel->help != NULL) {\r
650 const char *tmp = ent_sel->help;\r
651 int l;\r
652 for (l = 0; tmp != NULL && *tmp != 0; l++)\r
653 tmp = strchr(tmp + 1, '\n');\r
654 if (h >= l * me_sfont_h + 4)\r
655 for (tmp = ent_sel->help; l > 0; l--, tmp = strchr(tmp, '\n') + 1)\r
656 smalltext_out16(5, g_menuscreen_h - (l * me_sfont_h + 4), tmp, 0xffff);\r
657 }\r
658\r
659 menu_separation();\r
660\r
661 if (draw_more != NULL)\r
662 draw_more();\r
663\r
664 menu_draw_end();\r
665}\r
666\r
667static int me_process(menu_entry *entry, int is_next, int is_lr)\r
668{\r
669 const char **names;\r
670 int c;\r
671 switch (entry->beh)\r
672 {\r
673 case MB_OPT_ONOFF:\r
674 case MB_OPT_CUSTONOFF:\r
675 me_toggle_onoff(entry);\r
676 return 1;\r
677 case MB_OPT_RANGE:\r
678 case MB_OPT_CUSTRANGE:\r
679 c = is_lr ? 10 : 1;\r
680 *(int *)entry->var += is_next ? c : -c;\r
681 if (*(int *)entry->var < (int)entry->min)\r
682 *(int *)entry->var = (int)entry->max;\r
683 if (*(int *)entry->var > (int)entry->max)\r
684 *(int *)entry->var = (int)entry->min;\r
685 return 1;\r
686 case MB_OPT_ENUM:\r
687 names = (const char **)entry->data;\r
688 for (c = 0; names[c] != NULL; c++)\r
689 ;\r
690 *(signed char *)entry->var += is_next ? 1 : -1;\r
691 if (*(signed char *)entry->var < 0)\r
692 *(signed char *)entry->var = 0;\r
693 if (*(signed char *)entry->var >= c)\r
694 *(signed char *)entry->var = c - 1;\r
695 return 1;\r
696 default:\r
697 return 0;\r
698 }\r
699}\r
700\r
701static void debug_menu_loop(void);\r
702\r
703static int me_loop_d(menu_entry *menu, int *menu_sel, void (*draw_prep)(void), void (*draw_more)(void))\r
704{\r
705 int ret = 0, inp, sel = *menu_sel, menu_sel_max;\r
706\r
707 menu_sel_max = me_count(menu) - 1;\r
708 if (menu_sel_max < 0) {\r
709 lprintf("no enabled menu entries\n");\r
710 return 0;\r
711 }\r
712\r
713 while ((!menu[sel].enabled || !menu[sel].selectable) && sel < menu_sel_max)\r
714 sel++;\r
715\r
716 /* make sure action buttons are not pressed on entering menu */\r
717 me_draw(menu, sel, NULL);\r
718 while (in_menu_wait_any(NULL, 50) & (PBTN_MOK|PBTN_MBACK|PBTN_MENU));\r
719\r
720 for (;;)\r
721 {\r
722 if (draw_prep != NULL)\r
723 draw_prep();\r
724\r
725 me_draw(menu, sel, draw_more);\r
726 inp = in_menu_wait(PBTN_UP|PBTN_DOWN|PBTN_LEFT|PBTN_RIGHT|\r
727 PBTN_MOK|PBTN_MBACK|PBTN_MENU|PBTN_L|PBTN_R, NULL, 70);\r
728 if (inp & (PBTN_MENU|PBTN_MBACK))\r
729 break;\r
730\r
731 if (inp & PBTN_UP ) {\r
732 do {\r
733 sel--;\r
734 if (sel < 0)\r
735 sel = menu_sel_max;\r
736 }\r
737 while (!menu[sel].enabled || !menu[sel].selectable);\r
738 }\r
739 if (inp & PBTN_DOWN) {\r
740 do {\r
741 sel++;\r
742 if (sel > menu_sel_max)\r
743 sel = 0;\r
744 }\r
745 while (!menu[sel].enabled || !menu[sel].selectable);\r
746 }\r
747\r
748 /* a bit hacky but oh well */\r
749 if ((inp & (PBTN_L|PBTN_R)) == (PBTN_L|PBTN_R))\r
750 debug_menu_loop();\r
751\r
752 if (inp & (PBTN_LEFT|PBTN_RIGHT|PBTN_L|PBTN_R)) { /* multi choice */\r
753 if (me_process(&menu[sel], (inp & (PBTN_RIGHT|PBTN_R)) ? 1 : 0,\r
754 inp & (PBTN_L|PBTN_R)))\r
755 continue;\r
756 }\r
757\r
758 if (inp & (PBTN_MOK|PBTN_LEFT|PBTN_RIGHT|PBTN_L|PBTN_R))\r
759 {\r
760 /* require PBTN_MOK for MB_NONE */\r
761 if (menu[sel].handler != NULL && (menu[sel].beh != MB_NONE || (inp & PBTN_MOK))) {\r
762 ret = menu[sel].handler(menu[sel].id, inp);\r
763 if (ret) break;\r
764 menu_sel_max = me_count(menu) - 1; /* might change, so update */\r
765 }\r
766 }\r
767 }\r
768 *menu_sel = sel;\r
769\r
770 return ret;\r
771}\r
772\r
773static int me_loop(menu_entry *menu, int *menu_sel)\r
774{\r
775 return me_loop_d(menu, menu_sel, NULL, NULL);\r
776}\r
777\r
778/* ***************************************** */\r
779\r
780static void draw_menu_message(const char *msg, void (*draw_more)(void))\r
781{\r
782 int x, y, h, w, wt;\r
783 const char *p;\r
784\r
785 p = msg;\r
786 for (h = 1, w = 0; *p != 0; h++) {\r
787 for (wt = 0; *p != 0 && *p != '\n'; p++)\r
788 wt++;\r
789\r
790 if (wt > w)\r
791 w = wt;\r
792 if (*p == 0)\r
793 break;\r
794 p++;\r
795 }\r
796\r
797 x = g_menuscreen_w / 2 - w * me_mfont_w / 2;\r
798 y = g_menuscreen_h / 2 - h * me_mfont_h / 2;\r
799 if (x < 0) x = 0;\r
800 if (y < 0) y = 0;\r
801\r
802 menu_draw_begin(1, 0);\r
803\r
804 for (p = msg; *p != 0 && y <= g_menuscreen_h - me_mfont_h; y += me_mfont_h) {\r
805 text_out16(x, y, p);\r
806\r
807 for (; *p != 0 && *p != '\n'; p++)\r
808 ;\r
809 if (*p != 0)\r
810 p++;\r
811 }\r
812\r
813 menu_separation();\r
814\r
815 if (draw_more != NULL)\r
816 draw_more();\r
817\r
818 menu_draw_end();\r
819}\r
820\r
821// -------------- del confirm ---------------\r
822\r
823static void do_delete(const char *fpath, const char *fname)\r
824{\r
825 int len, mid, inp;\r
826 const char *nm;\r
827 char tmp[64];\r
828\r
829 menu_draw_begin(1, 0);\r
830\r
831 len = strlen(fname);\r
832 if (len > g_menuscreen_w / me_sfont_w)\r
833 len = g_menuscreen_w / me_sfont_w;\r
834\r
835 mid = g_menuscreen_w / 2;\r
836 text_out16(mid - me_mfont_w * 15 / 2, 8 * me_mfont_h, "About to delete");\r
837 smalltext_out16(mid - len * me_sfont_w / 2, 9 * me_mfont_h + 5, fname, 0xbdff);\r
838 text_out16(mid - me_mfont_w * 13 / 2, 11 * me_mfont_h, "Are you sure?");\r
839\r
840 nm = in_get_key_name(-1, -PBTN_MA3);\r
841 snprintf(tmp, sizeof(tmp), "(%s - confirm, ", nm);\r
842 len = strlen(tmp);\r
843 nm = in_get_key_name(-1, -PBTN_MBACK);\r
844 snprintf(tmp + len, sizeof(tmp) - len, "%s - cancel)", nm);\r
845 len = strlen(tmp);\r
846\r
847 text_out16(mid - me_mfont_w * len / 2, 12 * me_mfont_h, tmp);\r
848 menu_draw_end();\r
849\r
850 while (in_menu_wait_any(NULL, 50) & (PBTN_MENU|PBTN_MA2));\r
851 inp = in_menu_wait(PBTN_MA3|PBTN_MBACK, NULL, 100);\r
852 if (inp & PBTN_MA3)\r
853 remove(fpath);\r
854}\r
855\r
856// -------------- ROM selector --------------\r
857\r
858static void draw_dirlist(char *curdir, struct dirent **namelist,\r
859 int n, int sel, int show_help)\r
860{\r
861 int max_cnt, start, i, x, pos;\r
862 void *darken_ptr;\r
863 char buff[64];\r
864\r
865 max_cnt = g_menuscreen_h / me_sfont_h;\r
866 start = max_cnt / 2 - sel;\r
867 n--; // exclude current dir (".")\r
868\r
869 menu_draw_begin(1, 1);\r
870\r
871// if (!rom_loaded)\r
872// menu_darken_bg(gp2x_screen, 320*240, 0);\r
873\r
874 darken_ptr = (short *)g_menuscreen_ptr + g_menuscreen_w * max_cnt/2 * me_sfont_h;\r
875 menu_darken_bg(darken_ptr, darken_ptr, g_menuscreen_w * me_sfont_h * 8 / 10, 0);\r
876\r
877 x = 5 + me_mfont_w + 1;\r
878 if (start - 2 >= 0)\r
879 smalltext_out16(14, (start - 2) * me_sfont_h, curdir, 0xffff);\r
880 for (i = 0; i < n; i++) {\r
881 pos = start + i;\r
882 if (pos < 0) continue;\r
883 if (pos >= max_cnt) break;\r
884 if (namelist[i+1]->d_type == DT_DIR) {\r
885 smalltext_out16(x, pos * me_sfont_h, "/", 0xfff6);\r
886 smalltext_out16(x + me_sfont_w, pos * me_sfont_h, namelist[i+1]->d_name, 0xfff6);\r
887 } else {\r
888 unsigned short color = fname2color(namelist[i+1]->d_name);\r
889 smalltext_out16(x, pos * me_sfont_h, namelist[i+1]->d_name, color);\r
890 }\r
891 }\r
892 smalltext_out16(5, max_cnt/2 * me_sfont_h, ">", 0xffff);\r
893\r
894 if (show_help) {\r
895 darken_ptr = (short *)g_menuscreen_ptr\r
896 + g_menuscreen_w * (g_menuscreen_h - me_sfont_h * 5 / 2);\r
897 menu_darken_bg(darken_ptr, darken_ptr,\r
898 g_menuscreen_w * (me_sfont_h * 5 / 2), 1);\r
899\r
900 snprintf(buff, sizeof(buff), "%s - select, %s - back",\r
901 in_get_key_name(-1, -PBTN_MOK), in_get_key_name(-1, -PBTN_MBACK));\r
902 smalltext_out16(x, g_menuscreen_h - me_sfont_h * 3 - 2, buff, 0xe78c);\r
903\r
904 snprintf(buff, sizeof(buff), g_menu_filter_off ?\r
905 "%s - hide unknown files" : "%s - show all files",\r
906 in_get_key_name(-1, -PBTN_MA3));\r
907 smalltext_out16(x, g_menuscreen_h - me_sfont_h * 2 - 2, buff, 0xe78c);\r
908\r
909 snprintf(buff, sizeof(buff), g_autostateld_opt ?\r
910 "%s - autoload save is ON" : "%s - autoload save is OFF",\r
911 in_get_key_name(-1, -PBTN_MA2));\r
912 smalltext_out16(x, g_menuscreen_h - me_sfont_h * 1 - 2, buff, 0xe78c);\r
913 }\r
914\r
915 menu_draw_end();\r
916}\r
917\r
918static int scandir_cmp(const void *p1, const void *p2)\r
919{\r
920 const struct dirent **d1 = (const struct dirent **)p1;\r
921 const struct dirent **d2 = (const struct dirent **)p2;\r
922 if ((*d1)->d_type == (*d2)->d_type)\r
923 return alphasort(d1, d2);\r
924 if ((*d1)->d_type == DT_DIR)\r
925 return -1; // put before\r
926 if ((*d2)->d_type == DT_DIR)\r
927 return 1;\r
928\r
929 return alphasort(d1, d2);\r
930}\r
931\r
932static const char **filter_exts_internal;\r
933\r
934static int scandir_filter(const struct dirent *ent)\r
935{\r
936 const char **filter = filter_exts_internal;\r
937 const char *ext;\r
938 int i;\r
939\r
940 if (ent == NULL || ent->d_name == NULL)\r
941 return 0;\r
942\r
943 if (ent->d_type == DT_DIR)\r
944 return 1;\r
945\r
946 ext = strrchr(ent->d_name, '.');\r
947 if (ext == NULL)\r
948 return 0;\r
949\r
950 ext++;\r
951 for (i = 0; filter[i] != NULL; i++)\r
952 if (strcasecmp(ext, filter[i]) == 0)\r
953 return 1;\r
954\r
955 return 0;\r
956}\r
957\r
958static int dirent_seek_char(struct dirent **namelist, int len, int sel, char c)\r
959{\r
960 int i;\r
961\r
962 sel++;\r
963 for (i = sel + 1; ; i++) {\r
964 if (i >= len)\r
965 i = 1;\r
966 if (i == sel)\r
967 break;\r
968\r
969 if (tolower_simple(namelist[i]->d_name[0]) == c)\r
970 break;\r
971 }\r
972\r
973 return i - 1;\r
974}\r
975\r
976static const char *menu_loop_romsel(char *curr_path, int len,\r
977 const char **filter_exts,\r
978 int (*extra_filter)(struct dirent **namelist, int count,\r
979 const char *basedir))\r
980{\r
981 static char rom_fname_reload[256]; // used for return\r
982 char sel_fname[256];\r
983 int (*filter)(const struct dirent *);\r
984 struct dirent **namelist = NULL;\r
985 int n = 0, inp = 0, sel = 0, show_help = 0;\r
986 char *curr_path_restore = NULL;\r
987 const char *ret = NULL;\r
988 char cinp;\r
989\r
990 filter_exts_internal = filter_exts;\r
991 sel_fname[0] = 0;\r
992\r
993 // is this a dir or a full path?\r
994 if (!plat_is_dir(curr_path)) {\r
995 char *p = strrchr(curr_path, '/');\r
996 if (p != NULL) {\r
997 *p = 0;\r
998 curr_path_restore = p;\r
999 snprintf(sel_fname, sizeof(sel_fname), "%s", p + 1);\r
1000 }\r
1001\r
1002 if (rom_fname_reload[0] == 0)\r
1003 show_help = 2;\r
1004 }\r
1005\r
1006rescan:\r
1007 if (namelist != NULL) {\r
1008 while (n-- > 0)\r
1009 free(namelist[n]);\r
1010 free(namelist);\r
1011 namelist = NULL;\r
1012 }\r
1013\r
1014 filter = NULL;\r
1015 if (!g_menu_filter_off)\r
1016 filter = scandir_filter;\r
1017\r
1018 n = scandir(curr_path, &namelist, filter, (void *)scandir_cmp);\r
1019 if (n < 0) {\r
1020 char *t;\r
1021 lprintf("menu_loop_romsel failed, dir: %s\n", curr_path);\r
1022\r
1023 // try root\r
1024 t = getcwd(curr_path, len);\r
1025 if (t == NULL)\r
1026 plat_get_root_dir(curr_path, len);\r
1027 n = scandir(curr_path, &namelist, filter, (void *)scandir_cmp);\r
1028 if (n < 0) {\r
1029 // oops, we failed\r
1030 lprintf("menu_loop_romsel failed, dir: %s\n", curr_path);\r
1031 return NULL;\r
1032 }\r
1033 }\r
1034\r
1035 if (!g_menu_filter_off && extra_filter != NULL)\r
1036 n = extra_filter(namelist, n, curr_path);\r
1037\r
1038 // try to find selected file\r
1039 // note: we don't show '.' so sel is namelist index - 1\r
1040 sel = 0;\r
1041 if (sel_fname[0] != 0) {\r
1042 int i;\r
1043 for (i = 1; i < n; i++) {\r
1044 char *dname = namelist[i]->d_name;\r
1045 if (dname[0] == sel_fname[0] && strcmp(dname, sel_fname) == 0) {\r
1046 sel = i - 1;\r
1047 break;\r
1048 }\r
1049 }\r
1050 }\r
1051\r
1052 /* make sure action buttons are not pressed on entering menu */\r
1053 draw_dirlist(curr_path, namelist, n, sel, show_help);\r
1054 while (in_menu_wait_any(NULL, 50) & (PBTN_MOK|PBTN_MBACK|PBTN_MENU))\r
1055 ;\r
1056\r
1057 for (;;)\r
1058 {\r
1059 draw_dirlist(curr_path, namelist, n, sel, show_help);\r
1060 inp = in_menu_wait(PBTN_UP|PBTN_DOWN|PBTN_LEFT|PBTN_RIGHT\r
1061 | PBTN_L|PBTN_R|PBTN_MA2|PBTN_MA3|PBTN_MOK|PBTN_MBACK\r
1062 | PBTN_MENU|PBTN_CHAR, &cinp, 33);\r
1063 if (inp & PBTN_MA3) {\r
1064 g_menu_filter_off = !g_menu_filter_off;\r
1065 snprintf(sel_fname, sizeof(sel_fname), "%s",\r
1066 namelist[sel+1]->d_name);\r
1067 goto rescan;\r
1068 }\r
1069 if (inp & PBTN_UP ) { sel--; if (sel < 0) sel = n-2; }\r
1070 if (inp & PBTN_DOWN) { sel++; if (sel > n-2) sel = 0; }\r
1071 if (inp & PBTN_LEFT) { sel-=10; if (sel < 0) sel = 0; }\r
1072 if (inp & PBTN_L) { sel-=24; if (sel < 0) sel = 0; }\r
1073 if (inp & PBTN_RIGHT) { sel+=10; if (sel > n-2) sel = n-2; }\r
1074 if (inp & PBTN_R) { sel+=24; if (sel > n-2) sel = n-2; }\r
1075\r
1076 if ((inp & PBTN_MOK) || (inp & (PBTN_MENU|PBTN_MA2)) == (PBTN_MENU|PBTN_MA2))\r
1077 {\r
1078 again:\r
1079 if (namelist[sel+1]->d_type == DT_REG)\r
1080 {\r
1081 snprintf(rom_fname_reload, sizeof(rom_fname_reload),\r
1082 "%s/%s", curr_path, namelist[sel+1]->d_name);\r
1083 if (inp & PBTN_MOK) { // return sel\r
1084 ret = rom_fname_reload;\r
1085 break;\r
1086 }\r
1087 do_delete(rom_fname_reload, namelist[sel+1]->d_name);\r
1088 goto rescan;\r
1089 }\r
1090 else if (namelist[sel+1]->d_type == DT_DIR)\r
1091 {\r
1092 int newlen;\r
1093 char *p, *newdir;\r
1094 if (!(inp & PBTN_MOK))\r
1095 continue;\r
1096 newlen = strlen(curr_path) + strlen(namelist[sel+1]->d_name) + 2;\r
1097 newdir = malloc(newlen);\r
1098 if (newdir == NULL)\r
1099 break;\r
1100 if (strcmp(namelist[sel+1]->d_name, "..") == 0) {\r
1101 char *start = curr_path;\r
1102 p = start + strlen(start) - 1;\r
1103 while (*p == '/' && p > start) p--;\r
1104 while (*p != '/' && p > start) p--;\r
1105 if (p <= start) strcpy(newdir, "/");\r
1106 else { strncpy(newdir, start, p-start); newdir[p-start] = 0; }\r
1107 } else {\r
1108 strcpy(newdir, curr_path);\r
1109 p = newdir + strlen(newdir) - 1;\r
1110 while (*p == '/' && p >= newdir) *p-- = 0;\r
1111 strcat(newdir, "/");\r
1112 strcat(newdir, namelist[sel+1]->d_name);\r
1113 }\r
1114 ret = menu_loop_romsel(newdir, newlen, filter_exts, extra_filter);\r
1115 free(newdir);\r
1116 break;\r
1117 }\r
1118 else\r
1119 {\r
1120 // unknown file type, happens on NTFS mounts. Try to guess.\r
1121 FILE *tstf; int tmp;\r
1122 snprintf(rom_fname_reload, sizeof(rom_fname_reload),\r
1123 "%s/%s", curr_path, namelist[sel+1]->d_name);\r
1124 tstf = fopen(rom_fname_reload, "rb");\r
1125 if (tstf != NULL)\r
1126 {\r
1127 if (fread(&tmp, 1, 1, tstf) > 0 || ferror(tstf) == 0)\r
1128 namelist[sel+1]->d_type = DT_REG;\r
1129 else namelist[sel+1]->d_type = DT_DIR;\r
1130 fclose(tstf);\r
1131 goto again;\r
1132 }\r
1133 }\r
1134 }\r
1135 else if (inp & PBTN_MA2) {\r
1136 g_autostateld_opt = !g_autostateld_opt;\r
1137 show_help = 3;\r
1138 }\r
1139 else if (inp & PBTN_CHAR) {\r
1140 // must be last\r
1141 sel = dirent_seek_char(namelist, n, sel, cinp);\r
1142 }\r
1143\r
1144 if (inp & PBTN_MBACK)\r
1145 break;\r
1146\r
1147 if (show_help > 0)\r
1148 show_help--;\r
1149 }\r
1150\r
1151 if (n > 0) {\r
1152 while (n-- > 0)\r
1153 free(namelist[n]);\r
1154 free(namelist);\r
1155 }\r
1156\r
1157 // restore curr_path\r
1158 if (curr_path_restore != NULL)\r
1159 *curr_path_restore = '/';\r
1160\r
1161 return ret;\r
1162}\r
1163\r
1164// ------------ savestate loader ------------\r
1165\r
1166#define STATE_SLOT_COUNT 10\r
1167\r
1168static int state_slot_flags = 0;\r
1169static int state_slot_times[STATE_SLOT_COUNT];\r
1170\r
1171static void state_check_slots(void)\r
1172{\r
1173 int slot;\r
1174\r
1175 state_slot_flags = 0;\r
1176\r
1177 for (slot = 0; slot < STATE_SLOT_COUNT; slot++) {\r
1178 state_slot_times[slot] = 0;\r
1179 if (emu_check_save_file(slot, &state_slot_times[slot]))\r
1180 state_slot_flags |= 1 << slot;\r
1181 }\r
1182}\r
1183\r
1184static void draw_savestate_bg(int slot);\r
1185\r
1186static void draw_savestate_menu(int menu_sel, int is_loading)\r
1187{\r
1188 int i, x, y, w, h;\r
1189 char time_buf[32];\r
1190\r
1191 if (state_slot_flags & (1 << menu_sel))\r
1192 draw_savestate_bg(menu_sel);\r
1193\r
1194 w = (13 + 2) * me_mfont_w;\r
1195 h = (1+2+STATE_SLOT_COUNT+1) * me_mfont_h;\r
1196 x = g_menuscreen_w / 2 - w / 2;\r
1197 if (x < 0) x = 0;\r
1198 y = g_menuscreen_h / 2 - h / 2;\r
1199 if (y < 0) y = 0;\r
1200#ifdef MENU_ALIGN_LEFT\r
1201 if (x > 12 + me_mfont_w * 2)\r
1202 x = 12 + me_mfont_w * 2;\r
1203#endif\r
1204\r
1205 menu_draw_begin(1, 1);\r
1206\r
1207 text_out16(x, y, is_loading ? "Load state" : "Save state");\r
1208 y += 3 * me_mfont_h;\r
1209\r
1210 menu_draw_selection(x - me_mfont_w * 2, y + menu_sel * me_mfont_h, (23 + 2) * me_mfont_w + 4);\r
1211\r
1212 /* draw all slots */\r
1213 for (i = 0; i < STATE_SLOT_COUNT; i++, y += me_mfont_h)\r
1214 {\r
1215 if (!(state_slot_flags & (1 << i)))\r
1216 strcpy(time_buf, "free");\r
1217 else {\r
1218 strcpy(time_buf, "USED");\r
1219 if (state_slot_times[i] != 0) {\r
1220 time_t time = state_slot_times[i];\r
1221 struct tm *t = localtime(&time);\r
1222 strftime(time_buf, sizeof(time_buf), "%x %R", t);\r
1223 }\r
1224 }\r
1225\r
1226 text_out16(x, y, "SLOT %i (%s)", i, time_buf);\r
1227 }\r
1228 text_out16(x, y, "back");\r
1229\r
1230 menu_draw_end();\r
1231}\r
1232\r
1233static int menu_loop_savestate(int is_loading)\r
1234{\r
1235 static int menu_sel = STATE_SLOT_COUNT;\r
1236 int menu_sel_max = STATE_SLOT_COUNT;\r
1237 unsigned long inp = 0;\r
1238 int ret = 0;\r
1239\r
1240 state_check_slots();\r
1241\r
1242 if (!(state_slot_flags & (1 << menu_sel)) && is_loading)\r
1243 menu_sel = menu_sel_max;\r
1244\r
1245 for (;;)\r
1246 {\r
1247 draw_savestate_menu(menu_sel, is_loading);\r
1248 inp = in_menu_wait(PBTN_UP|PBTN_DOWN|PBTN_MOK|PBTN_MBACK, NULL, 100);\r
1249 if (inp & PBTN_UP) {\r
1250 do {\r
1251 menu_sel--;\r
1252 if (menu_sel < 0)\r
1253 menu_sel = menu_sel_max;\r
1254 } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
1255 }\r
1256 if (inp & PBTN_DOWN) {\r
1257 do {\r
1258 menu_sel++;\r
1259 if (menu_sel > menu_sel_max)\r
1260 menu_sel = 0;\r
1261 } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
1262 }\r
1263 if (inp & PBTN_MOK) { // save/load\r
1264 if (menu_sel < STATE_SLOT_COUNT) {\r
1265 state_slot = menu_sel;\r
1266 if (emu_save_load_game(is_loading, 0)) {\r
1267 menu_update_msg(is_loading ? "Load failed" : "Save failed");\r
1268 break;\r
1269 }\r
1270 ret = 1;\r
1271 break;\r
1272 }\r
1273 break;\r
1274 }\r
1275 if (inp & PBTN_MBACK)\r
1276 break;\r
1277 }\r
1278\r
1279 return ret;\r
1280}\r
1281\r
1282// -------------- key config --------------\r
1283\r
1284static char *action_binds(int player_idx, int action_mask, int dev_id)\r
1285{\r
1286 int dev = 0, dev_last = IN_MAX_DEVS - 1;\r
1287 int can_combo = 1, type;\r
1288\r
1289 static_buff[0] = 0;\r
1290\r
1291 type = IN_BINDTYPE_EMU;\r
1292 if (player_idx >= 0) {\r
1293 can_combo = 0;\r
1294 type = IN_BINDTYPE_PLAYER12;\r
1295 }\r
1296 if (player_idx == 1)\r
1297 action_mask <<= 16;\r
1298\r
1299 if (dev_id >= 0)\r
1300 dev = dev_last = dev_id;\r
1301\r
1302 for (; dev <= dev_last; dev++) {\r
1303 int k, count = 0, combo = 0;\r
1304 const int *binds;\r
1305\r
1306 binds = in_get_dev_binds(dev);\r
1307 if (binds == NULL)\r
1308 continue;\r
1309\r
1310 in_get_config(dev, IN_CFG_BIND_COUNT, &count);\r
1311 in_get_config(dev, IN_CFG_DOES_COMBOS, &combo);\r
1312 combo = combo && can_combo;\r
1313\r
1314 for (k = 0; k < count; k++) {\r
1315 const char *xname;\r
1316 int len;\r
1317\r
1318 if (!(binds[IN_BIND_OFFS(k, type)] & action_mask))\r
1319 continue;\r
1320\r
1321 xname = in_get_key_name(dev, k);\r
1322 len = strlen(static_buff);\r
1323 if (len) {\r
1324 strncat(static_buff, combo ? " + " : ", ",\r
1325 sizeof(static_buff) - len - 1);\r
1326 len += combo ? 3 : 2;\r
1327 }\r
1328 strncat(static_buff, xname, sizeof(static_buff) - len - 1);\r
1329 }\r
1330 }\r
1331\r
1332 return static_buff;\r
1333}\r
1334\r
1335static int count_bound_keys(int dev_id, int action_mask, int bindtype)\r
1336{\r
1337 const int *binds;\r
1338 int k, keys = 0;\r
1339 int count = 0;\r
1340\r
1341 binds = in_get_dev_binds(dev_id);\r
1342 if (binds == NULL)\r
1343 return 0;\r
1344\r
1345 in_get_config(dev_id, IN_CFG_BIND_COUNT, &count);\r
1346 for (k = 0; k < count; k++)\r
1347 {\r
1348 if (binds[IN_BIND_OFFS(k, bindtype)] & action_mask)\r
1349 keys++;\r
1350 }\r
1351\r
1352 return keys;\r
1353}\r
1354\r
1355static void draw_key_config(const me_bind_action *opts, int opt_cnt, int player_idx,\r
1356 int sel, int dev_id, int dev_count, int is_bind)\r
1357{\r
1358 char buff[64], buff2[32];\r
1359 const char *dev_name;\r
1360 int x, y, w, i;\r
1361\r
1362 w = ((player_idx >= 0) ? 20 : 30) * me_mfont_w;\r
1363 x = g_menuscreen_w / 2 - w / 2;\r
1364 y = (g_menuscreen_h - 4 * me_mfont_h) / 2 - (2 + opt_cnt) * me_mfont_h / 2;\r
1365 if (x < me_mfont_w * 2)\r
1366 x = me_mfont_w * 2;\r
1367\r
1368 menu_draw_begin(1, 0);\r
1369 if (player_idx >= 0)\r
1370 text_out16(x, y, "Player %i controls", player_idx + 1);\r
1371 else\r
1372 text_out16(x, y, "Emulator controls");\r
1373\r
1374 y += 2 * me_mfont_h;\r
1375 menu_draw_selection(x - me_mfont_w * 2, y + sel * me_mfont_h, w + 2 * me_mfont_w);\r
1376\r
1377 for (i = 0; i < opt_cnt; i++, y += me_mfont_h)\r
1378 text_out16(x, y, "%s : %s", opts[i].name,\r
1379 action_binds(player_idx, opts[i].mask, dev_id));\r
1380\r
1381 menu_separation();\r
1382\r
1383 if (dev_id < 0)\r
1384 dev_name = "(all devices)";\r
1385 else\r
1386 dev_name = in_get_dev_name(dev_id, 0, 1);\r
1387 w = strlen(dev_name) * me_mfont_w;\r
1388 if (w < 30 * me_mfont_w)\r
1389 w = 30 * me_mfont_w;\r
1390 if (w > g_menuscreen_w)\r
1391 w = g_menuscreen_w;\r
1392\r
1393 x = g_menuscreen_w / 2 - w / 2;\r
1394\r
1395 if (!is_bind) {\r
1396 snprintf(buff2, sizeof(buff2), "%s", in_get_key_name(-1, -PBTN_MOK));\r
1397 snprintf(buff, sizeof(buff), "%s - bind, %s - clear", buff2,\r
1398 in_get_key_name(-1, -PBTN_MA2));\r
1399 text_out16(x, g_menuscreen_h - 4 * me_mfont_h, buff);\r
1400 }\r
1401 else\r
1402 text_out16(x, g_menuscreen_h - 4 * me_mfont_h, "Press a button to bind/unbind");\r
1403\r
1404 if (dev_count > 1) {\r
1405 text_out16(x, g_menuscreen_h - 3 * me_mfont_h, dev_name);\r
1406 text_out16(x, g_menuscreen_h - 2 * me_mfont_h, "Press left/right for other devs");\r
1407 }\r
1408\r
1409 menu_draw_end();\r
1410}\r
1411\r
1412static void key_config_loop(const me_bind_action *opts, int opt_cnt, int player_idx)\r
1413{\r
1414 int i, sel = 0, menu_sel_max = opt_cnt - 1, does_combos = 0;\r
1415 int dev_id, bind_dev_id, dev_count, kc, is_down, mkey;\r
1416 int unbind, bindtype, mask_shift;\r
1417\r
1418 for (i = 0, dev_id = -1, dev_count = 0; i < IN_MAX_DEVS; i++) {\r
1419 if (in_get_dev_name(i, 1, 0) != NULL) {\r
1420 dev_count++;\r
1421 if (dev_id < 0)\r
1422 dev_id = i;\r
1423 }\r
1424 }\r
1425\r
1426 if (dev_id == -1) {\r
1427 lprintf("no devs, can't do config\n");\r
1428 return;\r
1429 }\r
1430\r
1431 dev_id = -1; // show all\r
1432 mask_shift = 0;\r
1433 if (player_idx == 1)\r
1434 mask_shift = 16;\r
1435 bindtype = player_idx >= 0 ? IN_BINDTYPE_PLAYER12 : IN_BINDTYPE_EMU;\r
1436\r
1437 for (;;)\r
1438 {\r
1439 draw_key_config(opts, opt_cnt, player_idx, sel, dev_id, dev_count, 0);\r
1440 mkey = in_menu_wait(PBTN_UP|PBTN_DOWN|PBTN_LEFT|PBTN_RIGHT\r
1441 |PBTN_MBACK|PBTN_MOK|PBTN_MA2, NULL, 100);\r
1442 switch (mkey) {\r
1443 case PBTN_UP: sel--; if (sel < 0) sel = menu_sel_max; continue;\r
1444 case PBTN_DOWN: sel++; if (sel > menu_sel_max) sel = 0; continue;\r
1445 case PBTN_LEFT:\r
1446 for (i = 0, dev_id--; i < IN_MAX_DEVS + 1; i++, dev_id--) {\r
1447 if (dev_id < -1)\r
1448 dev_id = IN_MAX_DEVS - 1;\r
1449 if (dev_id == -1 || in_get_dev_name(dev_id, 0, 0) != NULL)\r
1450 break;\r
1451 }\r
1452 continue;\r
1453 case PBTN_RIGHT:\r
1454 for (i = 0, dev_id++; i < IN_MAX_DEVS; i++, dev_id++) {\r
1455 if (dev_id >= IN_MAX_DEVS)\r
1456 dev_id = -1;\r
1457 if (dev_id == -1 || in_get_dev_name(dev_id, 0, 0) != NULL)\r
1458 break;\r
1459 }\r
1460 continue;\r
1461 case PBTN_MBACK:\r
1462 return;\r
1463 case PBTN_MOK:\r
1464 if (sel >= opt_cnt)\r
1465 return;\r
1466 while (in_menu_wait_any(NULL, 30) & PBTN_MOK)\r
1467 ;\r
1468 break;\r
1469 case PBTN_MA2:\r
1470 in_unbind_all(dev_id, opts[sel].mask << mask_shift, bindtype);\r
1471 continue;\r
1472 default:continue;\r
1473 }\r
1474\r
1475 draw_key_config(opts, opt_cnt, player_idx, sel, dev_id, dev_count, 1);\r
1476\r
1477 /* wait for some up event */\r
1478 for (is_down = 1; is_down; )\r
1479 kc = in_update_keycode(&bind_dev_id, &is_down, NULL, -1);\r
1480\r
1481 i = count_bound_keys(bind_dev_id, opts[sel].mask << mask_shift, bindtype);\r
1482 unbind = (i > 0);\r
1483\r
1484 /* allow combos if device supports them */\r
1485 in_get_config(bind_dev_id, IN_CFG_DOES_COMBOS, &does_combos);\r
1486 if (i == 1 && bindtype == IN_BINDTYPE_EMU && does_combos)\r
1487 unbind = 0;\r
1488\r
1489 if (unbind)\r
1490 in_unbind_all(bind_dev_id, opts[sel].mask << mask_shift, bindtype);\r
1491\r
1492 in_bind_key(bind_dev_id, kc, opts[sel].mask << mask_shift, bindtype, 0);\r
1493 }\r
1494}\r
1495\r
PicoDrive's frontend in a lib