/* 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
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);
return new_bitmap;
}
+inline void X11CreateBitmapContent(Bitmap *new_bitmap,
+ int width, int height, int depth)
+{
+ Pixmap pixmap;
+
+ if ((pixmap = XCreatePixmap(display, window->drawable, width, height, depth))
+ == None)
+ Error(ERR_EXIT, "cannot create pixmap");
+
+ new_bitmap->drawable = pixmap;
+
+ if (window == NULL)
+ Error(ERR_EXIT, "Window GC needed for Bitmap -- create Window first");
+
+ new_bitmap->gc = window->gc;
+
+ new_bitmap->line_gc[0] = window->line_gc[0];
+ new_bitmap->line_gc[1] = window->line_gc[1];
+}
+
+inline void X11FreeBitmapPointers(Bitmap *bitmap)
+{
+ /* The X11 version seems to have a memory leak here -- although
+ "XFreePixmap()" is called, the corresponding memory seems not
+ to be freed (according to "ps"). The SDL version apparently
+ does not have this problem. */
+
+ if (bitmap->drawable)
+ XFreePixmap(display, bitmap->drawable);
+ if (bitmap->clip_mask)
+ XFreePixmap(display, bitmap->clip_mask);
+ if (bitmap->stored_clip_gc)
+ XFreeGC(display, bitmap->stored_clip_gc);
+ /* the other GCs are only pointers to GCs used elsewhere */
+ bitmap->drawable = None;
+ bitmap->clip_mask = None;
+ 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)
+{
+ 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)
+{
+ XSetForeground(display, bitmap->gc, color);
+ XFillRectangle(display, bitmap->drawable, bitmap->gc, x, y, width, height);
+}
+
+inline 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);
+}
+
+inline Pixel X11GetPixel(Bitmap *bitmap, int x, int y)
+{
+ 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);
+
+ X11DestroyImage(pixel_image);
+
+ return pixel_value;
+}
+
+#if defined(TARGET_X11_NATIVE)
+inline Pixel X11GetPixelFromRGB(unsigned int color_r, unsigned int color_g,
+ unsigned int color_b)
+{
+ XColor xcolor;
+ Pixel pixel;
+
+ xcolor.flags = DoRed | DoGreen | DoBlue;
+ xcolor.red = (color_r << 8);
+ xcolor.green = (color_g << 8);
+ xcolor.blue = (color_b << 8);
+
+ XAllocColor(display, cmap, &xcolor);
+ pixel = xcolor.pixel;
+
+ return pixel;
+}
+#endif /* TARGET_X11_NATIVE */
+
+inline void X11DestroyImage(XImage *ximage)
+{
+ /* 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;
+ }
+
+ 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 */