src/system.c

   1 /***********************************************************
   2 *  Rocks'n'Diamonds -- McDuffin Strikes Back!              *
   3 *----------------------------------------------------------*
   4 *  ©1995 Artsoft Development                               *
   5 *        Holger Schemel                                    *
   6 *        33659 Bielefeld-Senne                             *
   7 *        Telefon: (0521) 493245                            *
   8 *        eMail: aeglos@valinor.owl.de                      *
   9 *               aeglos@uni-paderborn.de                    *
  10 *               q99492@pbhrzx.uni-paderborn.de             *
  11 *----------------------------------------------------------*
  12 *  system.c                                                *
  13 ***********************************************************/
  14
  15 #include "main.h"
  16
  17 #ifdef  USE_SDL_LIBRARY
  18 #include "sdl.h"
  19 #endif
  20
  21 inline void ClearRectangle(Bitmap bitmap, int x, int y, int width, int height)
  22 {
  23 #ifdef USE_SDL_LIBRARY
  24   SDLFillRectangle(bitmap, x, y, width, height, 0x000000);
  25 #else
  26   XFillRectangle(display, bitmap, gc, x, y, width, height);
  27 #endif
  28 }
  29
  30 inline void BlitBitmap(Bitmap src_bitmap, Bitmap dst_bitmap,
  31                        int src_x, int src_y,
  32                        int width, int height,
  33                        int dst_x, int dst_y)
  34 {
  35 #ifdef USE_SDL_LIBRARY
  36   SDLCopyArea(src_bitmap, dst_bitmap,
  37               src_x, src_y, width, height, dst_x, dst_y);
  38 #else
  39   XCopyArea(display, src_bitmap, dst_bitmap, gc,
  40             src_x, src_y, width, height, dst_x, dst_y);
  41 #endif
  42 }
  43
  44 #ifndef USE_SDL_LIBRARY
  45 static GC last_clip_gc = 0;     /* needed for XCopyArea() through clip mask */
  46 #endif
  47
  48 inline void SetClipMask(GC clip_gc, Pixmap clip_pixmap)
  49 {
  50 #ifndef USE_SDL_LIBRARY
  51   XSetClipMask(display, clip_gc, clip_pixmap);
  52   last_clip_gc = clip_gc;
  53 #endif
  54 }
  55
  56 inline void SetClipOrigin(GC clip_gc, int clip_x, int clip_y)
  57 {
  58 #ifndef USE_SDL_LIBRARY
  59   XSetClipOrigin(display, clip_gc, clip_x, clip_y);
  60   last_clip_gc = clip_gc;
  61 #endif
  62 }
  63
  64 inline void BlitBitmapMasked(Bitmap src_bitmap, Bitmap dst_bitmap,
  65                              int src_x, int src_y,
  66                              int width, int height,
  67                              int dst_x, int dst_y)
  68 {
  69 #ifdef USE_SDL_LIBRARY
  70   SDLCopyArea(src_bitmap, dst_bitmap,
  71               src_x, src_y, width, height, dst_x, dst_y);
  72 #else
  73   XCopyArea(display, src_bitmap, dst_bitmap, last_clip_gc,
  74             src_x, src_y, width, height, dst_x, dst_y);
  75 #endif
  76 }
  77
  78 inline void DrawSimpleWhiteLine(Bitmap bitmap, int from_x, int from_y,
  79                                 int to_x, int to_y)
  80 {
  81 #ifdef USE_SDL_LIBRARY
  82   SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, 0xffffff);
  83 #else
  84   XSetForeground(display, gc, WhitePixel(display, screen));
  85   XDrawLine(display, bitmap, gc, from_x, from_y, to_x, to_y);
  86   XSetForeground(display, gc, BlackPixel(display, screen));
  87 #endif
  88 }
  89
  90 /* execute all pending screen drawing operations */
  91 inline void FlushDisplay()
  92 {
  93 #ifndef USE_SDL_LIBRARY
  94   XFlush(display);
  95 #endif
  96 }
  97
  98 /* execute and wait for all pending screen drawing operations */
  99 inline void SyncDisplay()
 100 {
 101 #ifndef USE_SDL_LIBRARY
 102   XSync(display, FALSE);
 103 #endif
 104 }
 105
 106 inline void KeyboardAutoRepeatOn()
 107 {
 108 #ifdef USE_SDL_LIBRARY
 109   SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY / 2,
 110                       SDL_DEFAULT_REPEAT_INTERVAL / 2);
 111   SDL_EnableUNICODE(1);
 112 #else
 113   XAutoRepeatOn(display);
 114 #endif
 115 }
 116
 117 inline void KeyboardAutoRepeatOff()
 118 {
 119 #ifdef USE_SDL_LIBRARY
 120   SDL_EnableKeyRepeat(0, SDL_DEFAULT_REPEAT_INTERVAL);
 121   SDL_EnableUNICODE(0);
 122 #else
 123   XAutoRepeatOff(display);
 124 #endif
 125 }
 126
 127 inline boolean QueryPointer(DrawWindow window, int *win_x, int *win_y)
 128 {
 129 #ifdef USE_SDL_LIBRARY
 130   SDL_GetMouseState(win_x, win_y);
 131   return TRUE;
 132 #else
 133   DrawWindow root, child;
 134   int root_x, root_y;
 135   unsigned int mask;
 136
 137   /* if XQueryPointer() returns False, the pointer
 138      is not on the same screen as the specified window */
 139   return XQueryPointer(display, window, &root, &child, &root_x, &root_y,
 140                        win_x, win_y, &mask);
 141 #endif
 142 }
 143
 144 inline boolean PendingEvent()
 145 {
 146 #ifdef USE_SDL_LIBRARY
 147   return (SDL_PollEvent(NULL) ? TRUE : FALSE);
 148 #else
 149   return (XPending(display) ? TRUE : FALSE);
 150 #endif
 151 }
 152
 153 inline void NextEvent(Event *event)
 154 {
 155 #ifdef USE_SDL_LIBRARY
 156   SDL_WaitEvent(event);
 157 #else
 158   XNextEvent(display, event);
 159 #endif
 160 }
 161
 162 inline Key GetEventKey(KeyEvent *event, boolean with_modifiers)
 163 {
 164 #ifdef USE_SDL_LIBRARY
 165 #if 0
 166   printf("0x%x, 0x%x\n",
 167          event->keysym.sym, event->keysym.unicode);
 168 #endif
 169   if (with_modifiers && event->keysym.unicode != 0)
 170     return event->keysym.unicode;
 171   else
 172     return event->keysym.sym;
 173 #else
 174 #if 0
 175   printf("0x%x, 0x%x\n",
 176          (unsigned int)XLookupKeysym(event, 0),
 177          (unsigned int)XLookupKeysym(event, event->state));
 178 #endif
 179   if (with_modifiers)
 180     return XLookupKeysym(event, event->state);
 181   else
 182     return XLookupKeysym(event, 0);
 183 #endif
 184 }
 185
 186 inline void dummy()
 187 {
 188 #ifdef USE_SDL_LIBRARY
 189 #else
 190 #endif
 191 }