rnd-20001125-1-src

[rocksndiamonds.git] / src / system.c

diff --git a/src/system.c b/src/system.c
index 6b85ccb38c219d7fe790031bdbf817a355c179d6..d0c948a64dd360e59e43c94351715e845144e8d7 100644 (file)
--- a/src/system.c
+++ b/src/system.c
@@ -13,6 +13,61 @@
 ***********************************************************/
 
 #include "main.h"
+#include "misc.h"
+
+inline void InitEventFilter(EventFilter filter_function)
+{
+#ifdef USE_SDL_LIBRARY
+  /* set event filter to filter out certain events */
+  SDL_SetEventFilter(filter_function);
+#endif
+}
+
+inline void InitBufferedDisplay(DrawBuffer *backbuffer, DrawWindow *window)
+{
+#ifdef USE_SDL_LIBRARY
+  SDLInitBufferedDisplay(backbuffer, window);
+#else
+  X11InitBufferedDisplay(backbuffer, window);
+#endif
+}
+
+inline int GetDisplayDepth(void)
+{
+#ifdef USE_SDL_LIBRARY
+  return SDL_GetVideoSurface()->format->BitsPerPixel;
+#else
+  return XDefaultDepth(display, screen);
+#endif
+}
+
+inline Bitmap CreateBitmap(int width, int height, int depth)
+{
+  int real_depth = (depth == DEFAULT_DEPTH ? GetDisplayDepth() : depth);
+
+#ifdef USE_SDL_LIBRARY
+  SDL_Surface *surface_tmp, *surface_native;
+
+  if ((surface_tmp = SDL_CreateRGBSurface(SURFACE_FLAGS, width, height,
+                                         real_depth, 0, 0, 0, 0))
+      == NULL)
+    Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError());
+
+  if ((surface_native = SDL_DisplayFormat(surface_tmp)) == NULL)
+    Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError());
+
+  SDL_FreeSurface(surface_tmp);
+
+  return surface_native;
+#else
+  Pixmap pixmap;
+
+  if (!(pixmap = XCreatePixmap(display, window, width, height, real_depth)))
+    Error(ERR_EXIT, "cannot create pixmap");
+
+  return pixmap;
+#endif
+}
 
 inline void ClearRectangle(Bitmap bitmap, int x, int y, int width, int height)
 {
@@ -84,7 +139,7 @@ inline void DrawSimpleWhiteLine(Bitmap bitmap, int from_x, int from_y,
 }
 
 /* execute all pending screen drawing operations */
-inline void FlushDisplay()
+inline void FlushDisplay(void)
 {
 #ifndef USE_SDL_LIBRARY
   XFlush(display);
@@ -92,14 +147,14 @@ inline void FlushDisplay()
 }
 
 /* execute and wait for all pending screen drawing operations */
-inline void SyncDisplay()
+inline void SyncDisplay(void)
 {
 #ifndef USE_SDL_LIBRARY
   XSync(display, FALSE);
 #endif
 }
 
-inline void KeyboardAutoRepeatOn()
+inline void KeyboardAutoRepeatOn(void)
 {
 #ifdef USE_SDL_LIBRARY
   SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY / 2,
@@ -110,7 +165,7 @@ inline void KeyboardAutoRepeatOn()
 #endif
 }
 
-inline void KeyboardAutoRepeatOff()
+inline void KeyboardAutoRepeatOff(void)
 {
 #ifdef USE_SDL_LIBRARY
   SDL_EnableKeyRepeat(0, SDL_DEFAULT_REPEAT_INTERVAL);
@@ -137,7 +192,7 @@ inline boolean PointerInWindow(DrawWindow window)
 #endif
 }
 
-inline boolean PendingEvent()
+inline boolean PendingEvent(void)
 {
 #ifdef USE_SDL_LIBRARY
   return (SDL_PollEvent(NULL) ? TRUE : FALSE);
@@ -158,11 +213,24 @@ inline void NextEvent(Event *event)
 inline Key GetEventKey(KeyEvent *event, boolean with_modifiers)
 {
 #ifdef USE_SDL_LIBRARY
+#if 0
+  printf("unicode == '%d', sym == '%d', mod == '0x%04x'\n",
+        (int)event->keysym.unicode,
+        (int)event->keysym.sym,
+        (int)SDL_GetModState());
+#endif
+
   if (with_modifiers && event->keysym.unicode != 0)
     return event->keysym.unicode;
   else
     return event->keysym.sym;
 #else
+#if 0
+  printf("with modifiers == '0x%04x', without modifiers == '0x%04x'\n",
+        (int)XLookupKeysym(event, event->state),
+        (int)XLookupKeysym(event, 0));
+#endif
+
   if (with_modifiers)
     return XLookupKeysym(event, event->state);
   else
@@ -170,7 +238,37 @@ inline Key GetEventKey(KeyEvent *event, boolean with_modifiers)
 #endif
 }
 
-inline void dummy()
+inline boolean SetVideoMode(void)
+{
+#ifdef USE_SDL_LIBRARY
+  return SDLSetVideoMode(&backbuffer, &window);
+#else
+  boolean success = TRUE;
+
+  if (setup.fullscreen && fullscreen_available)
+  {
+    Error(ERR_WARN, "fullscreen not available in X11 version");
+
+    /* display error message only once */
+    fullscreen_available = FALSE;
+
+    success = FALSE;
+  }
+
+  return success;
+#endif
+}
+
+inline void ChangeVideoModeIfNeeded(void)
+{
+#ifdef USE_SDL_LIBRARY
+  if ((setup.fullscreen && !fullscreen_enabled && fullscreen_available) ||
+      (!setup.fullscreen && fullscreen_enabled))
+    SetVideoMode();
+#endif
+}
+
+inline void dummy(void)
 {
 #ifdef USE_SDL_LIBRARY
 #else