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giz menu works
[libpicofe.git] / common / menu.c
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c7a4ff64 1// (c) Copyright 2006,2007 notaz, All rights reserved.\r
2// Free for non-commercial use.\r
3\r
4// For commercial use, separate licencing terms must be obtained.\r
5\r
6#include <stdio.h>\r
7#include <string.h>\r
8#include <stdlib.h>\r
9#include <stdarg.h>\r
10\r
11#include "menu.h"\r
12#include "fonts.h"\r
13#include "readpng.h"\r
14#include "lprintf.h"\r
15\r
16#if defined(__GP2X__)\r
17#include "../gp2x/gp2x.h"\r
18#define SCREEN_WIDTH 320\r
19#define SCREEN_BUFFER gp2x_screen\r
20#elif defined(__GIZ__)\r
21#include "../gizmondo/giz.h"\r
22#define SCREEN_WIDTH 321\r
23#define SCREEN_BUFFER giz_screen\r
24#endif\r
25\r
26static unsigned char menu_font_data[10240];\r
27static int menu_text_color = 0xffff; // default to white\r
28static int menu_sel_color = -1; // disabled\r
29\r
30// draws text to current bbp16 screen\r
31static void text_out16_(int x, int y, const char *text, int color)\r
32{\r
33 int i, l, u, tr, tg, tb, len;\r
34 unsigned short *dest = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
35 tr = (color & 0xf800) >> 8;\r
36 tg = (color & 0x07e0) >> 3;\r
37 tb = (color & 0x001f) << 3;\r
38\r
39 if (text == (void *)1)\r
40 {\r
41 // selector symbol\r
42 text = "";\r
43 len = 1;\r
44 }\r
45 else\r
46 len = strlen(text);\r
47\r
48 for (i = 0; i < len; i++)\r
49 {\r
50 unsigned char *src = menu_font_data + (unsigned int)text[i]*4*10;\r
51 unsigned short *dst = dest;\r
52 for (l = 0; l < 10; l++, dst += SCREEN_WIDTH-8)\r
53 {\r
54 for (u = 8/2; u > 0; u--, src++)\r
55 {\r
56 int c, r, g, b;\r
57 c = *src >> 4;\r
58 r = (*dst & 0xf800) >> 8;\r
59 g = (*dst & 0x07e0) >> 3;\r
60 b = (*dst & 0x001f) << 3;\r
61 r = (c^0xf)*r/15 + c*tr/15;\r
62 g = (c^0xf)*g/15 + c*tg/15;\r
63 b = (c^0xf)*b/15 + c*tb/15;\r
64 *dst++ = ((r<<8)&0xf800) | ((g<<3)&0x07e0) | (b>>3);\r
65 c = *src & 0xf;\r
66 r = (*dst & 0xf800) >> 8;\r
67 g = (*dst & 0x07e0) >> 3;\r
68 b = (*dst & 0x001f) << 3;\r
69 r = (c^0xf)*r/15 + c*tr/15;\r
70 g = (c^0xf)*g/15 + c*tg/15;\r
71 b = (c^0xf)*b/15 + c*tb/15;\r
72 *dst++ = ((r<<8)&0xf800) | ((g<<3)&0x07e0) | (b>>3);\r
73 }\r
74 }\r
75 dest += 8;\r
76 }\r
77}\r
78\r
79void text_out16(int x, int y, const char *texto, ...)\r
80{\r
81 va_list args;\r
82 char buffer[512];\r
83\r
84 va_start(args,texto);\r
85 vsprintf(buffer,texto,args);\r
86 va_end(args);\r
87\r
88 text_out16_(x,y,buffer,menu_text_color);\r
89}\r
90\r
91\r
92void smalltext_out16(int x, int y, const char *texto, int color)\r
93{\r
94 int i;\r
95 unsigned char *src;\r
96 unsigned short *dst;\r
97\r
98 for (i = 0;; i++, x += 6)\r
99 {\r
100 unsigned char c = (unsigned char) texto[i];\r
101 int h = 8;\r
102\r
103 if (!c) break;\r
104\r
105 src = fontdata6x8[c];\r
106 dst = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;\r
107\r
108 while (h--)\r
109 {\r
110 int w = 0x20;\r
111 while (w)\r
112 {\r
113 if( *src & w ) *dst = color;\r
114 dst++;\r
115 w>>=1;\r
116 }\r
117 src++;\r
118\r
119 dst += SCREEN_WIDTH-6;\r
120 }\r
121 }\r
122}\r
123\r
124void smalltext_out16_lim(int x, int y, const char *texto, int color, int max)\r
125{\r
126 char buffer[SCREEN_WIDTH/6+1];\r
127\r
128 strncpy(buffer, texto, SCREEN_WIDTH/6);\r
129 if (max > SCREEN_WIDTH/6) max = SCREEN_WIDTH/6;\r
130 if (max < 0) max = 0;\r
131 buffer[max] = 0;\r
132\r
133 smalltext_out16(x, y, buffer, color);\r
134}\r
135\r
136void menu_draw_selection(int x, int y, int w)\r
137{\r
138 int i, h;\r
139 unsigned short *dst, *dest;\r
140\r
141 text_out16_(x, y, (void *)1, (menu_sel_color < 0) ? menu_text_color : menu_sel_color);\r
142\r
143 if (menu_sel_color < 0) return; // no selection hilight\r
144\r
145 if (y > 0) y--;\r
146 dest = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH + 14;\r
147 for (h = 11; h > 0; h--)\r
148 {\r
149 dst = dest;\r
150 for (i = w; i > 0; i--)\r
151 *dst++ = menu_sel_color;\r
152 dest += SCREEN_WIDTH;\r
153 }\r
154}\r
155\r
156static int parse_hex_color(char *buff)\r
157{\r
158 char *endp = buff;\r
159 int t = (int) strtoul(buff, &endp, 16);\r
160 if (endp != buff) return ((t>>8)&0xf800) | ((t>>5)&0x07e0) | ((t>>3)&0x1f);\r
161 return -1;\r
162}\r
163\r
164void menu_init(void)\r
165{\r
166 int c, l;\r
167 unsigned char *fd = menu_font_data;\r
168 char buff[256];\r
169 FILE *f;\r
170\r
171 // generate default font from fontdata8x8\r
172 memset(menu_font_data, 0, sizeof(menu_font_data));\r
173 for (c = 0; c < 256; c++)\r
174 {\r
175 for (l = 0; l < 8; l++)\r
176 {\r
177 unsigned char fd8x8 = fontdata8x8[c*8+l];\r
178 if (fd8x8&0x80) *fd |= 0xf0;\r
179 if (fd8x8&0x40) *fd |= 0x0f; fd++;\r
180 if (fd8x8&0x20) *fd |= 0xf0;\r
181 if (fd8x8&0x10) *fd |= 0x0f; fd++;\r
182 if (fd8x8&0x08) *fd |= 0xf0;\r
183 if (fd8x8&0x04) *fd |= 0x0f; fd++;\r
184 if (fd8x8&0x02) *fd |= 0xf0;\r
185 if (fd8x8&0x01) *fd |= 0x0f; fd++;\r
186 }\r
187 fd += 8*2/2; // 2 empty lines\r
188 }\r
189\r
190 // load custom font and selector (stored as 1st symbol in font table)\r
191 readpng(menu_font_data, "skin/font.png", READPNG_FONT);\r
192 memcpy(menu_font_data, menu_font_data + ((int)'>')*4*10, 4*10); // default selector symbol is '>'\r
193 readpng(menu_font_data, "skin/selector.png", READPNG_SELECTOR);\r
194\r
195 // load custom colors\r
196 f = fopen("skin/skin.txt", "r");\r
197 if (f != NULL)\r
198 {\r
199 lprintf("found skin.txt\n");\r
200 while (!feof(f))\r
201 {\r
202 fgets(buff, sizeof(buff), f);\r
203 if (buff[0] == '#' || buff[0] == '/') continue; // comment\r
204 if (buff[0] == '\r' || buff[0] == '\n') continue; // empty line\r
205 if (strncmp(buff, "text_color=", 11) == 0)\r
206 {\r
207 int tmp = parse_hex_color(buff+11);\r
208 if (tmp >= 0) menu_text_color = tmp;\r
209 else lprintf("skin.txt: parse error for text_color\n");\r
210 }\r
211 else if (strncmp(buff, "selection_color=", 16) == 0)\r
212 {\r
213 int tmp = parse_hex_color(buff+16);\r
214 if (tmp >= 0) menu_sel_color = tmp;\r
215 else lprintf("skin.txt: parse error for selection_color\n");\r
216 }\r
217 else\r
218 lprintf("skin.txt: parse error: %s\n", buff);\r
219 }\r
220 fclose(f);\r
221 }\r
222}\r
223\r
224\r
225int me_id2offset(const menu_entry *entries, int count, menu_id id)\r
226{\r
227 int i;\r
228 for (i = 0; i < count; i++)\r
229 {\r
230 if (entries[i].id == id) return i;\r
231 }\r
232\r
233 lprintf("%s: id %i not found\n", __FUNCTION__, id);\r
234 return 0;\r
235}\r
236\r
237void me_enable(menu_entry *entries, int count, menu_id id, int enable)\r
238{\r
239 int i = me_id2offset(entries, count, id);\r
240 entries[i].enabled = enable;\r
241}\r
242\r
243int me_count_enabled(const menu_entry *entries, int count)\r
244{\r
245 int i, ret = 0;\r
246\r
247 for (i = 0; i < count; i++)\r
248 {\r
249 if (entries[i].enabled) ret++;\r
250 }\r
251\r
252 return ret;\r
253}\r
254\r
255menu_id me_index2id(const menu_entry *entries, int count, int index)\r
256{\r
257 int i;\r
258\r
259 for (i = 0; i < count; i++)\r
260 {\r
261 if (entries[i].enabled)\r
262 {\r
263 if (index == 0) break;\r
264 index--;\r
265 }\r
266 }\r
267 if (i >= count) i = count - 1;\r
268 return entries[i].id;\r
269}\r
270\r
271void me_draw(const menu_entry *entries, int count, int x, int y, me_draw_custom_f *cust_draw, void *param)\r
272{\r
273 int i, y1 = y;\r
274\r
275 for (i = 0; i < count; i++)\r
276 {\r
277 if (!entries[i].enabled) continue;\r
278 if (entries[i].name == NULL)\r
279 {\r
280 if (cust_draw != NULL)\r
281 cust_draw(&entries[i], x, y1, param);\r
282 y1 += 10;\r
283 continue;\r
284 }\r
285 text_out16(x, y1, entries[i].name);\r
286 if (entries[i].beh == MB_ONOFF)\r
287 text_out16(x + 27*8, y1, (*(int *)entries[i].var & entries[i].mask) ? "ON" : "OFF");\r
288 else if (entries[i].beh == MB_RANGE)\r
289 text_out16(x + 27*8, y1, "%i", *(int *)entries[i].var);\r
290 y1 += 10;\r
291 }\r
292}\r
293\r
294int me_process(menu_entry *entries, int count, menu_id id, int is_next)\r
295{\r
296 int i = me_id2offset(entries, count, id);\r
297 menu_entry *entry = &entries[i];\r
298 switch (entry->beh)\r
299 {\r
300 case MB_ONOFF:\r
301 *(int *)entry->var ^= entry->mask;\r
302 return 1;\r
303 case MB_RANGE:\r
304 *(int *)entry->var += is_next ? 1 : -1;\r
305 if (*(int *)entry->var < (int)entry->min) *(int *)entry->var = (int)entry->min;\r
306 if (*(int *)entry->var > (int)entry->max) *(int *)entry->var = (int)entry->max;\r
307 return 1;\r
308 default:\r
309 return 0;\r
310 }\r
311}\r
312\r
313\r
314\r
PicoDrive's frontend in a lib