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giz menu works
git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@231 be3aeb3a-fb24-0410-a615-afba39da0efa
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notaz
parent
51b55351d2
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17 changed files with 471 additions and 411 deletions
314
common/menu.c
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314
common/menu.c
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// (c) Copyright 2006,2007 notaz, All rights reserved.
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// Free for non-commercial use.
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// For commercial use, separate licencing terms must be obtained.
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "menu.h"
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#include "fonts.h"
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#include "readpng.h"
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#include "lprintf.h"
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#if defined(__GP2X__)
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#include "../gp2x/gp2x.h"
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#define SCREEN_WIDTH 320
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#define SCREEN_BUFFER gp2x_screen
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#elif defined(__GIZ__)
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#include "../gizmondo/giz.h"
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#define SCREEN_WIDTH 321
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#define SCREEN_BUFFER giz_screen
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#endif
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static unsigned char menu_font_data[10240];
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static int menu_text_color = 0xffff; // default to white
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static int menu_sel_color = -1; // disabled
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// draws text to current bbp16 screen
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static void text_out16_(int x, int y, const char *text, int color)
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{
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int i, l, u, tr, tg, tb, len;
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unsigned short *dest = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
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tr = (color & 0xf800) >> 8;
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tg = (color & 0x07e0) >> 3;
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tb = (color & 0x001f) << 3;
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if (text == (void *)1)
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{
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// selector symbol
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text = "";
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len = 1;
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}
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else
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len = strlen(text);
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for (i = 0; i < len; i++)
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{
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unsigned char *src = menu_font_data + (unsigned int)text[i]*4*10;
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unsigned short *dst = dest;
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for (l = 0; l < 10; l++, dst += SCREEN_WIDTH-8)
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{
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for (u = 8/2; u > 0; u--, src++)
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{
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int c, r, g, b;
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c = *src >> 4;
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r = (*dst & 0xf800) >> 8;
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g = (*dst & 0x07e0) >> 3;
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b = (*dst & 0x001f) << 3;
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r = (c^0xf)*r/15 + c*tr/15;
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g = (c^0xf)*g/15 + c*tg/15;
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b = (c^0xf)*b/15 + c*tb/15;
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*dst++ = ((r<<8)&0xf800) | ((g<<3)&0x07e0) | (b>>3);
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c = *src & 0xf;
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r = (*dst & 0xf800) >> 8;
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g = (*dst & 0x07e0) >> 3;
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b = (*dst & 0x001f) << 3;
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r = (c^0xf)*r/15 + c*tr/15;
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g = (c^0xf)*g/15 + c*tg/15;
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b = (c^0xf)*b/15 + c*tb/15;
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*dst++ = ((r<<8)&0xf800) | ((g<<3)&0x07e0) | (b>>3);
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}
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}
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dest += 8;
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}
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}
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void text_out16(int x, int y, const char *texto, ...)
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{
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va_list args;
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char buffer[512];
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va_start(args,texto);
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vsprintf(buffer,texto,args);
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va_end(args);
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text_out16_(x,y,buffer,menu_text_color);
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}
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void smalltext_out16(int x, int y, const char *texto, int color)
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{
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int i;
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unsigned char *src;
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unsigned short *dst;
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for (i = 0;; i++, x += 6)
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{
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unsigned char c = (unsigned char) texto[i];
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int h = 8;
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if (!c) break;
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src = fontdata6x8[c];
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dst = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
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while (h--)
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{
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int w = 0x20;
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while (w)
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{
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if( *src & w ) *dst = color;
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dst++;
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w>>=1;
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}
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src++;
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dst += SCREEN_WIDTH-6;
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}
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}
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}
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void smalltext_out16_lim(int x, int y, const char *texto, int color, int max)
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{
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char buffer[SCREEN_WIDTH/6+1];
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strncpy(buffer, texto, SCREEN_WIDTH/6);
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if (max > SCREEN_WIDTH/6) max = SCREEN_WIDTH/6;
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if (max < 0) max = 0;
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buffer[max] = 0;
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smalltext_out16(x, y, buffer, color);
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}
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void menu_draw_selection(int x, int y, int w)
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{
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int i, h;
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unsigned short *dst, *dest;
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text_out16_(x, y, (void *)1, (menu_sel_color < 0) ? menu_text_color : menu_sel_color);
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if (menu_sel_color < 0) return; // no selection hilight
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if (y > 0) y--;
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dest = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH + 14;
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for (h = 11; h > 0; h--)
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{
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dst = dest;
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for (i = w; i > 0; i--)
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*dst++ = menu_sel_color;
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dest += SCREEN_WIDTH;
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}
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}
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static int parse_hex_color(char *buff)
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{
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char *endp = buff;
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int t = (int) strtoul(buff, &endp, 16);
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if (endp != buff) return ((t>>8)&0xf800) | ((t>>5)&0x07e0) | ((t>>3)&0x1f);
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return -1;
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}
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void menu_init(void)
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{
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int c, l;
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unsigned char *fd = menu_font_data;
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char buff[256];
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FILE *f;
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// generate default font from fontdata8x8
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memset(menu_font_data, 0, sizeof(menu_font_data));
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for (c = 0; c < 256; c++)
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{
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for (l = 0; l < 8; l++)
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{
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unsigned char fd8x8 = fontdata8x8[c*8+l];
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if (fd8x8&0x80) *fd |= 0xf0;
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if (fd8x8&0x40) *fd |= 0x0f; fd++;
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if (fd8x8&0x20) *fd |= 0xf0;
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if (fd8x8&0x10) *fd |= 0x0f; fd++;
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if (fd8x8&0x08) *fd |= 0xf0;
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if (fd8x8&0x04) *fd |= 0x0f; fd++;
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if (fd8x8&0x02) *fd |= 0xf0;
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if (fd8x8&0x01) *fd |= 0x0f; fd++;
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}
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fd += 8*2/2; // 2 empty lines
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}
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// load custom font and selector (stored as 1st symbol in font table)
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readpng(menu_font_data, "skin/font.png", READPNG_FONT);
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memcpy(menu_font_data, menu_font_data + ((int)'>')*4*10, 4*10); // default selector symbol is '>'
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readpng(menu_font_data, "skin/selector.png", READPNG_SELECTOR);
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// load custom colors
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f = fopen("skin/skin.txt", "r");
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if (f != NULL)
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{
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lprintf("found skin.txt\n");
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while (!feof(f))
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{
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fgets(buff, sizeof(buff), f);
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if (buff[0] == '#' || buff[0] == '/') continue; // comment
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if (buff[0] == '\r' || buff[0] == '\n') continue; // empty line
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if (strncmp(buff, "text_color=", 11) == 0)
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{
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int tmp = parse_hex_color(buff+11);
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if (tmp >= 0) menu_text_color = tmp;
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else lprintf("skin.txt: parse error for text_color\n");
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}
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else if (strncmp(buff, "selection_color=", 16) == 0)
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{
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int tmp = parse_hex_color(buff+16);
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if (tmp >= 0) menu_sel_color = tmp;
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else lprintf("skin.txt: parse error for selection_color\n");
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}
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else
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lprintf("skin.txt: parse error: %s\n", buff);
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}
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fclose(f);
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}
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}
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int me_id2offset(const menu_entry *entries, int count, menu_id id)
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{
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int i;
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for (i = 0; i < count; i++)
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{
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if (entries[i].id == id) return i;
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}
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lprintf("%s: id %i not found\n", __FUNCTION__, id);
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return 0;
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}
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void me_enable(menu_entry *entries, int count, menu_id id, int enable)
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{
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int i = me_id2offset(entries, count, id);
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entries[i].enabled = enable;
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}
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int me_count_enabled(const menu_entry *entries, int count)
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{
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int i, ret = 0;
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for (i = 0; i < count; i++)
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{
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if (entries[i].enabled) ret++;
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}
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return ret;
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}
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menu_id me_index2id(const menu_entry *entries, int count, int index)
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{
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int i;
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for (i = 0; i < count; i++)
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{
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if (entries[i].enabled)
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{
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if (index == 0) break;
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index--;
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}
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}
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if (i >= count) i = count - 1;
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return entries[i].id;
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}
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void me_draw(const menu_entry *entries, int count, int x, int y, me_draw_custom_f *cust_draw, void *param)
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{
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int i, y1 = y;
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for (i = 0; i < count; i++)
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{
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if (!entries[i].enabled) continue;
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if (entries[i].name == NULL)
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{
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if (cust_draw != NULL)
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cust_draw(&entries[i], x, y1, param);
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y1 += 10;
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continue;
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}
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text_out16(x, y1, entries[i].name);
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if (entries[i].beh == MB_ONOFF)
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text_out16(x + 27*8, y1, (*(int *)entries[i].var & entries[i].mask) ? "ON" : "OFF");
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else if (entries[i].beh == MB_RANGE)
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text_out16(x + 27*8, y1, "%i", *(int *)entries[i].var);
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y1 += 10;
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}
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}
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int me_process(menu_entry *entries, int count, menu_id id, int is_next)
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{
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int i = me_id2offset(entries, count, id);
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menu_entry *entry = &entries[i];
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switch (entry->beh)
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{
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case MB_ONOFF:
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*(int *)entry->var ^= entry->mask;
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return 1;
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case MB_RANGE:
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*(int *)entry->var += is_next ? 1 : -1;
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if (*(int *)entry->var < (int)entry->min) *(int *)entry->var = (int)entry->min;
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if (*(int *)entry->var > (int)entry->max) *(int *)entry->var = (int)entry->max;
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return 1;
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default:
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return 0;
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}
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}
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