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