uisimulator/sdl/uisdl.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 by Daniel Everton <dan@iocaine.org>
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include "autoconf.h"
  23 #include "button.h"
  24 #include "thread.h"
  25 #include "kernel.h"
  26 #include "uisdl.h"
  27 #include "lcd-sdl.h"
  28 #ifdef HAVE_LCD_BITMAP
  29 #include "lcd-bitmap.h"
  30 #elif defined(HAVE_LCD_CHARCELLS)
  31 #include "lcd-charcells.h"
  32 #endif
  33 #ifdef HAVE_REMOTE_LCD
  34 #include "lcd-remote-bitmap.h"
  35 #endif
  36 #include "thread-sdl.h"
  37 #include "SDL_mutex.h"
  38 #include "SDL_thread.h"
  39
  40 /* extern functions */
  41 extern void                 app_main (void *); /* mod entry point */
  42 extern void                 new_key(int key);
  43 extern void                 sim_tick_tasks(void);
  44
  45 void button_event(int key, bool pressed);
  46
  47 SDL_Surface *gui_surface;
  48 bool background = false;        /* Don't use backgrounds by default */
  49
  50 SDL_Thread *gui_thread;
  51 SDL_TimerID tick_timer_id;
  52
  53 bool lcd_display_redraw = true;         /* Used for player simulator */
  54 char having_new_lcd = true;               /* Used for player simulator */
  55
  56 bool debug_audio = false;
  57
  58 bool debug_wps = false;
  59
  60 long start_tick;
  61
  62 Uint32 tick_timer(Uint32 interval, void *param)
  63 {
  64     long new_tick;
  65
  66     (void) interval;
  67     (void) param;
  68
  69     new_tick = (SDL_GetTicks() - start_tick) * HZ / 1000;
  70
  71     if (new_tick != current_tick) {
  72         long i;
  73         for (i = new_tick - current_tick; i > 0; i--)
  74             sim_tick_tasks();
  75         current_tick = new_tick;
  76     }
  77
  78     return 1;
  79 }
  80
  81 void gui_message_loop(void)
  82 {
  83     SDL_Event event;
  84     bool done = false;
  85
  86     while(!done && SDL_WaitEvent(&event))
  87     {
  88         switch(event.type)
  89         {
  90             case SDL_KEYDOWN:
  91                 button_event(event.key.keysym.sym, true);
  92                 break;
  93             case SDL_KEYUP:
  94                 button_event(event.key.keysym.sym, false);
  95                 break;
  96             case SDL_QUIT:
  97                 done = true;
  98                 break;
  99             default:
 100                 /*printf("Unhandled event\n"); */
 101                 break;
 102         }
 103     }
 104 }
 105
 106 bool gui_startup(void)
 107 {
 108     SDL_Surface *picture_surface;
 109     int width, height;
 110
 111     if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_AUDIO|SDL_INIT_TIMER)) {
 112         fprintf(stderr, "fatal: %s", SDL_GetError());
 113         return false;
 114     }
 115
 116     atexit(SDL_Quit);
 117
 118     /* Try and load the background image. If it fails go without */
 119     if (background) {
 120         picture_surface = SDL_LoadBMP("UI256.bmp");
 121         if (picture_surface == NULL) {
 122             background = false;
 123             fprintf(stderr, "warn: %s", SDL_GetError());
 124         }
 125     }
 126
 127     /* Set things up */
 128
 129     if (background) {
 130         width = UI_WIDTH;
 131         height = UI_HEIGHT;
 132     } else {
 133 #ifdef HAVE_REMOTE_LCD
 134         width = UI_LCD_WIDTH > UI_REMOTE_WIDTH ? UI_LCD_WIDTH : UI_REMOTE_WIDTH;
 135         height = UI_LCD_HEIGHT + UI_REMOTE_HEIGHT;
 136 #else
 137         width = UI_LCD_WIDTH;
 138         height = UI_LCD_HEIGHT;
 139 #endif
 140     }
 141
 142
 143     if ((gui_surface = SDL_SetVideoMode(width * display_zoom, height * display_zoom, 24, SDL_HWSURFACE|SDL_DOUBLEBUF)) == NULL) {
 144         fprintf(stderr, "fatal: %s\n", SDL_GetError());
 145         return false;
 146     }
 147
 148     SDL_WM_SetCaption(UI_TITLE, NULL);
 149
 150     sim_lcd_init();
 151 #ifdef HAVE_REMOTE_LCD
 152     sim_lcd_remote_init();
 153 #endif
 154
 155     SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
 156
 157     if (background && picture_surface != NULL) {
 158         SDL_BlitSurface(picture_surface, NULL, gui_surface, NULL);
 159         SDL_UpdateRect(gui_surface, 0, 0, 0, 0);
 160     }
 161
 162     start_tick = SDL_GetTicks();
 163
 164     return true;
 165 }
 166
 167 bool gui_shutdown(void)
 168 {
 169     int i;
 170
 171     SDL_KillThread(gui_thread);
 172     SDL_RemoveTimer(tick_timer_id);
 173
 174     for (i = 0; i < threadCount; i++)
 175     {
 176         SDL_KillThread(threads[i]);
 177     }
 178
 179     return true;
 180 }
 181
 182 /**
 183  * Thin wrapper around normal app_main() to stop gcc complaining about types.
 184  */
 185 int sim_app_main(void *param)
 186 {
 187     app_main(param);
 188
 189     return 0;
 190 }
 191
 192 #if defined(WIN32) && defined(main)
 193 /* Don't use SDL_main on windows -> no more stdio redirection */
 194 #undef main
 195 #endif
 196
 197 int main(int argc, char *argv[])
 198 {
 199     if (argc >= 1) {
 200         int x;
 201         for (x = 1; x < argc; x++) {
 202             if (!strcmp("--debugaudio", argv[x])) {
 203                 debug_audio = true;
 204                 printf("Writing debug audio file.\n");
 205             } else if (!strcmp("--debugwps", argv[x])) {
 206                 debug_wps = true;
 207                 printf("WPS debug mode enabled.\n");
 208             } else if (!strcmp("--background", argv[x])) {
 209                 background = true;
 210                 printf("Using background image.\n");
 211             } else if (!strcmp("--old_lcd", argv[x])) {
 212                 having_new_lcd = false;
 213                 printf("Using old LCD layout.\n");
 214             } else if (!strcmp("--zoom", argv[x])) {
 215                 x++;
 216                 if(x < argc)
 217                     display_zoom=atoi(argv[x]);
 218                 else
 219                     display_zoom = 2;
 220                 printf("Window zoom is %d\n", display_zoom);
 221             } else {
 222                 printf("rockboxui\n");
 223                 printf("Arguments:\n");
 224                 printf("  --debugaudio \t Write raw PCM data to audiodebug.raw\n");
 225                 printf("  --debugwps \t Print advanced WPS debug info\n");
 226                 printf("  --background \t Use background image of hardware\n");
 227                 printf("  --old_lcd \t [Player] simulate old playermodel (ROM version<4.51)\n");
 228                 printf("  --zoom [VAL]\t window zoom (will disable backgrounds)\n");
 229                 exit(0);
 230             }
 231         }
 232     }
 233
 234     if (display_zoom > 1) {
 235         background = false;
 236     }
 237
 238     if (!gui_startup())
 239         return -1;
 240
 241     gui_thread = SDL_CreateThread(sim_app_main, NULL);
 242     if (gui_thread == NULL) {
 243         printf("Error creating GUI thread!\n");
 244         return -1;
 245     }
 246
 247     tick_timer_id = SDL_AddTimer(10, tick_timer, NULL);
 248
 249     gui_message_loop();
 250
 251     return gui_shutdown();
 252 }
 253