X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fx11.c;h=66f4a3efc69b597beabb09091e23a01a57b02025;hb=a7c06161253796a30a0237a7f5a044f459c8cf35;hp=907b9f71f3b3470b11bde6966506a140773e2eed;hpb=34ed45c14d923459972fecf7a3b46f44d7e03670;p=rocksndiamonds.git

diff --git a/src/libgame/x11.c b/src/libgame/x11.c
index 907b9f71..66f4a3ef 100644
--- a/src/libgame/x11.c
+++ b/src/libgame/x11.c
@@ -1,7 +1,7 @@
 /***********************************************************
 * Artsoft Retro-Game Library                               *
 *----------------------------------------------------------*
-* (c) 1994-2002 Artsoft Entertainment                      *
+* (c) 1994-2006 Artsoft Entertainment                      *
 *               Holger Schemel                             *
 *               Detmolder Strasse 189                      *
 *               33604 Bielefeld                            *
@@ -22,7 +22,14 @@
 static void X11InitDisplay();
 static DrawWindow *X11InitWindow();
 
-inline void X11InitVideoDisplay(void)
+static int X11DebugErrorHandler(Display *display, XErrorEvent *event)
+{
+  int x = 0;
+
+  return 1 / x;		/* !!! crash program to give backtrace in gdb !!! */
+}
+
+void X11InitVideoDisplay(void)
 {
   /* initialize X11 video */
   X11InitDisplay();
@@ -31,15 +38,23 @@ inline void X11InitVideoDisplay(void)
   video.default_depth = XDefaultDepth(display, screen);
 }
 
-inline void X11InitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window)
+void X11InitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window)
 {
+  if (*window != NULL)
+    X11CloseWindow(*window);
+
   *window = X11InitWindow();
 
   XMapWindow(display, (*window)->drawable);
+
   FlushDisplay();
 
   /* create additional (off-screen) buffer for double-buffering */
+#if 1
+  ReCreateBitmap(backbuffer, video.width, video.height, video.depth);
+#else
   *backbuffer = CreateBitmap(video.width, video.height, video.depth);
+#endif
 }
 
 static void X11InitDisplay()
@@ -55,6 +70,14 @@ static void X11InitDisplay()
     Error(ERR_EXIT, "cannot connect to X server %s",
 	  XDisplayName(options.display_name));
 
+  if (options.debug_x11_sync)
+  {
+    Error(ERR_WARN, "running in X11 synchronous mode (debug only)");
+
+    XSynchronize(display, True);
+    XSetErrorHandler(X11DebugErrorHandler);
+  }
+
   screen = DefaultScreen(display);
   visual = DefaultVisual(display, screen);
   depth  = DefaultDepth(display, screen);
@@ -87,46 +110,36 @@ static DrawWindow *X11InitWindow()
   DrawWindow *new_window = CreateBitmapStruct();
   unsigned int border_width = 4;
   XGCValues gc_values;
-  unsigned long gc_valuemask;
+  unsigned int gc_valuemask;
 #if !defined(PLATFORM_MSDOS)
   XTextProperty windowName, iconName;
   Pixmap icon_pixmap, iconmask_pixmap;
   unsigned int icon_width, icon_height;
   int icon_hot_x, icon_hot_y;
-#if 0
-  char icon_filename[256];
-#endif
   XSizeHints size_hints;
   XWMHints wm_hints;
   XClassHint class_hints;
   char *window_name = program.window_title;
   char *icon_name = program.window_title;
-  long window_event_mask;
+  int window_event_mask;
   Atom proto_atom = None, delete_atom = None;
 #endif
   int screen_width, screen_height;
   int win_xpos, win_ypos;
-  unsigned long pen_fg = WhitePixel(display,screen);
-  unsigned long pen_bg = BlackPixel(display,screen);
+  unsigned int pen_fg = WhitePixel(display, screen);
+  unsigned int pen_bg = BlackPixel(display, screen);
   const int width = video.width, height = video.height;
   int i;
 
-#if 0
-#if !defined(PLATFORM_MSDOS)
-  static struct IconFileInfo icon_pic =
-  {
-    "rocks_icon.xbm",
-    "rocks_iconmask.xbm"
-  };
-#endif
-#endif
-
   screen_width = XDisplayWidth(display, screen);
   screen_height = XDisplayHeight(display, screen);
 
   win_xpos = (screen_width - width) / 2;
   win_ypos = (screen_height - height) / 2;
 
+  new_window->width = width;
+  new_window->height = height;
+
   new_window->drawable = XCreateSimpleWindow(display,
 					     RootWindow(display, screen),
 					     win_xpos, win_ypos,
@@ -140,10 +153,6 @@ static DrawWindow *X11InitWindow()
     XChangeProperty(display, new_window->drawable, proto_atom, XA_ATOM, 32,
 		    PropModePrepend, (unsigned char *) &delete_atom, 1);
 
-#if 0
-  sprintf(icon_filename, "%s/%s", options.graphics_directory,
-	  icon_pic.picture_filename);
-#endif
   if (XReadBitmapFile(display, new_window->drawable,
 		      getCustomImageFilename(program.x11_icon_filename),
 		      &icon_width, &icon_height, &icon_pixmap,
@@ -151,10 +160,6 @@ static DrawWindow *X11InitWindow()
     Error(ERR_EXIT, "cannot read icon bitmap file '%s'",
 	  program.x11_icon_filename);
 
-#if 0
-  sprintf(icon_filename, "%s/%s", options.graphics_directory,
-	  icon_pic.picturemask_filename);
-#endif
   if (XReadBitmapFile(display, new_window->drawable,
 		      getCustomImageFilename(program.x11_iconmask_filename),
 		      &icon_width, &icon_height, &iconmask_pixmap,
@@ -198,8 +203,9 @@ static DrawWindow *X11InitWindow()
   /* Select event types wanted */
   window_event_mask =
     ExposureMask | StructureNotifyMask | FocusChangeMask |
-    ButtonPressMask | ButtonReleaseMask | PointerMotionMask |
-    PointerMotionHintMask | KeyPressMask | KeyReleaseMask;
+    ButtonPressMask | ButtonReleaseMask |
+    PointerMotionMask | PointerMotionHintMask |
+    KeyPressMask | KeyReleaseMask;
 
   XSelectInput(display, new_window->drawable, window_event_mask);
 #endif
@@ -213,7 +219,7 @@ static DrawWindow *X11InitWindow()
     XCreateGC(display, new_window->drawable, gc_valuemask, &gc_values);
 
   /* create GCs for line drawing (black and white) */
-  for(i=0; i<2; i++)
+  for (i = 0; i < 2; i++)
   {
     gc_values.graphics_exposures = False;
     gc_values.foreground = (i ? pen_fg : pen_bg);
@@ -232,6 +238,20 @@ static DrawWindow *X11InitWindow()
   return new_window;
 }
 
+void X11CloseWindow(DrawWindow *window)
+{
+  if (window->drawable)
+  {
+    XUnmapWindow(display, window->drawable);
+    XDestroyWindow(display, window->drawable);
+  }
+
+  if (window->gc)
+    XFreeGC(display, window->gc);
+
+  free(window);
+}
+
 void X11ZoomBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap)
 {
 #if defined(TARGET_ALLEGRO)
@@ -269,7 +289,7 @@ Bitmap *X11LoadImage(char *filename)
   char *error = "Read_PCX_to_Pixmap(): %s '%s'";
   int pcx_err;
   XGCValues clip_gc_values;
-  unsigned long clip_gc_valuemask;
+  unsigned int clip_gc_valuemask;
 
   pcx_err = Read_PCX_to_Pixmap(display, window->drawable, window->gc, filename,
 			       &new_bitmap->drawable, &new_bitmap->clip_mask);
@@ -327,8 +347,8 @@ Bitmap *X11LoadImage(char *filename)
   return new_bitmap;
 }
 
-inline void X11CreateBitmapContent(Bitmap *new_bitmap,
-				   int width, int height, int depth)
+void X11CreateBitmapContent(Bitmap *new_bitmap,
+			    int width, int height, int depth)
 {
   Pixmap pixmap;
 
@@ -347,7 +367,7 @@ inline void X11CreateBitmapContent(Bitmap *new_bitmap,
   new_bitmap->line_gc[1] = window->line_gc[1];
 }
 
-inline void X11FreeBitmapPointers(Bitmap *bitmap)
+void X11FreeBitmapPointers(Bitmap *bitmap)
 {
   /* The X11 version seems to have a memory leak here -- although
      "XFreePixmap()" is called, the corresponding memory seems not
@@ -366,38 +386,63 @@ inline void X11FreeBitmapPointers(Bitmap *bitmap)
   bitmap->stored_clip_gc = None;
 }
 
-inline void X11CopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
-			int src_x, int src_y, int width, int height,
-			int dst_x, int dst_y, int mask_mode)
+void X11CopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+		 int src_x, int src_y, int width, int height,
+		 int dst_x, int dst_y, int mask_mode)
 {
   XCopyArea(display, src_bitmap->drawable, dst_bitmap->drawable,
 	    (mask_mode == BLIT_MASKED ? src_bitmap->clip_gc : dst_bitmap->gc),
 	    src_x, src_y, width, height, dst_x, dst_y);
 }
 
-inline void X11FillRectangle(Bitmap *bitmap, int x, int y,
-			     int width, int height, Pixel color)
+void X11FillRectangle(Bitmap *bitmap, int x, int y,
+		      int width, int height, Pixel color)
 {
   XSetForeground(display, bitmap->gc, color);
   XFillRectangle(display, bitmap->drawable, bitmap->gc, x, y, width, height);
 }
 
-inline Pixel X11GetPixel(Bitmap *bitmap, int x, int y)
+void X11FadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
+		      int fade_mode, int fade_delay, int post_delay,
+		      void (*draw_border_function)(void))
+{
+  /* fading currently not supported -- simply copy backbuffer to screen */
+
+  if (fade_mode == FADE_MODE_FADE_OUT)
+    X11FillRectangle(backbuffer, x, y, width, height, BLACK_PIXEL);
+
+  if (draw_border_function != NULL)
+    draw_border_function();
+
+  X11CopyArea(backbuffer, window, x, y, width, height, x, y, BLIT_OPAQUE);
+
+  /* as we currently cannot use the fade delay, also do not use post delay */
+}
+
+void X11DrawSimpleLine(Bitmap *bitmap, int from_x, int from_y,
+		       int to_x, int to_y, Pixel color)
+{
+  XSetForeground(display, bitmap->gc, color);
+  XDrawLine(display, bitmap->drawable, bitmap->gc, from_x, from_y, to_x, to_y);
+}
+
+Pixel X11GetPixel(Bitmap *bitmap, int x, int y)
 {
-  unsigned long pixel_value;
   XImage *pixel_image;
+  Pixel pixel_value;
 
   pixel_image = XGetImage(display, bitmap->drawable, x, y, 1, 1,
 			  AllPlanes, ZPixmap);
   pixel_value = XGetPixel(pixel_image, 0, 0);
 
-  XDestroyImage(pixel_image);
+  X11DestroyImage(pixel_image);
 
   return pixel_value;
 }
 
-inline Pixel X11GetPixelFromRGB(unsigned int color_r, unsigned int color_g,
-				unsigned int color_b)
+#if defined(TARGET_X11_NATIVE)
+Pixel X11GetPixelFromRGB(unsigned int color_r, unsigned int color_g,
+			 unsigned int color_b)
 {
   XColor xcolor;
   Pixel pixel;
@@ -412,5 +457,70 @@ inline Pixel X11GetPixelFromRGB(unsigned int color_r, unsigned int color_g,
 
   return pixel;
 }
+#endif	/* TARGET_X11_NATIVE */
+
+void X11DestroyImage(XImage *ximage)
+{
+#if defined(TARGET_X11_NATIVE)
+  /* this seems to be needed for OS/2, but does not hurt on other platforms */
+  if (ximage->data != NULL)
+  {
+    free(ximage->data);
+    ximage->data = NULL;
+  }
+#endif	/* TARGET_X11_NATIVE */
+
+  XDestroyImage(ximage);
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* mouse pointer functions                                                   */
+/* ------------------------------------------------------------------------- */
+
+#if defined(TARGET_X11_NATIVE)
+
+static Cursor create_cursor(struct MouseCursorInfo *cursor_info)
+{
+  Pixmap pixmap_data, pixmap_mask;
+  XColor color_fg, color_bg;
+  Cursor cursor;
+
+  /* shape and mask are single plane pixmaps */
+  pixmap_data =
+    XCreatePixmapFromBitmapData(display, window->drawable, cursor_info->data,
+				cursor_info->width, cursor_info->height,
+				1, 0, 1);
+  pixmap_mask =
+    XCreatePixmapFromBitmapData(display, window->drawable, cursor_info->mask,
+				cursor_info->width, cursor_info->height,
+				1, 0, 1);
+
+  XParseColor(display, cmap, "black", &color_fg);
+  XParseColor(display, cmap, "white", &color_bg);
+
+  cursor = XCreatePixmapCursor(display, pixmap_data, pixmap_mask,
+			       &color_fg, &color_bg,
+			       cursor_info->hot_x, cursor_info->hot_y);
+
+  return cursor;
+}
+
+void X11SetMouseCursor(struct MouseCursorInfo *cursor_info)
+{
+  static struct MouseCursorInfo *last_cursor_info = NULL;
+  static Cursor cursor_default = None;
+  static Cursor cursor_current = None;
+
+  if (cursor_info != NULL && cursor_info != last_cursor_info)
+  {
+    cursor_current = create_cursor(cursor_info);
+    last_cursor_info = cursor_info;
+  }
+
+  XDefineCursor(display, window->drawable,
+		cursor_info ? cursor_current : cursor_default);
+}
+#endif	/* TARGET_X11_NATIVE */
 
 #endif /* TARGET_X11 */