window_event_mask =
ExposureMask | StructureNotifyMask | FocusChangeMask |
ButtonPressMask | ButtonReleaseMask | PointerMotionMask |
- PointerMotionHintMask | KeyPressMask | KeyReleaseMask;
+ KeyPressMask | KeyReleaseMask;
+
+ /* unwanted mouse motion events now get filtered out by filter function */
+ /* window_event_mask |= PointerMotionHintMask; */
XSelectInput(display, new_window->drawable, window_event_mask);
#endif
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)
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)
{
- unsigned long pixel_value;
XImage *pixel_image;
+ Pixel pixel_value;
pixel_image = XGetImage(display, bitmap->drawable, x, y, 1, 1,
AllPlanes, ZPixmap);
return pixel;
}
+/* ------------------------------------------------------------------------- */
+/* mouse pointer functions */
+/* ------------------------------------------------------------------------- */
+
+#if defined(TARGET_X11_NATIVE)
+
+static Cursor create_cursor(const char **image)
+{
+ Pixmap pixmap_data, pixmap_mask;
+ XColor color_fg, color_bg;
+ Cursor cursor;
+
+ int i, row, col;
+ char data[4*32];
+ char mask[4*32];
+ int hot_x, hot_y;
+
+ int data_width = 32, data_height = 32;
+ int mask_width = 32, mask_height = 32;
+
+ i = -1;
+ for (row=0; row<32; ++row)
+ {
+ for (col=0; col<32; ++col)
+ {
+ if (col % 8)
+ {
+ data[i] <<= 1;
+ mask[i] <<= 1;
+ }
+ else
+ {
+ i++;
+ data[i] = mask[i] = 0;
+ }
+
+ switch (image[4+row][col])
+ {
+ case 'X':
+ data[i] |= 0x01;
+ mask[i] |= 0x01;
+ break;
+ case '.':
+ mask[i] |= 0x01;
+ break;
+ case ' ':
+ break;
+ }
+ }
+ }
+
+ sscanf(image[4+row], "%d,%d", &hot_x, &hot_y);
+
+ /* shape and mask are single plane pixmaps */
+ pixmap_data = XCreatePixmapFromBitmapData(display, window->drawable, data,
+ data_width, data_height, 1, 0, 1);
+ pixmap_mask = XCreatePixmapFromBitmapData(display, window->drawable, mask,
+ mask_width, mask_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, hot_x, hot_y);
+
+ return cursor;
+}
+
+void X11SetMouseCursor(const char **cursor_image)
+{
+ static const char **last_cursor_image = NULL;
+ static Cursor cursor_default = None;
+ static Cursor cursor_current = None;
+
+ if (cursor_image != NULL && cursor_image != last_cursor_image)
+ {
+ cursor_current = create_cursor(cursor_image);
+ last_cursor_image = cursor_image;
+ }
+
+ XDefineCursor(display, window->drawable,
+ cursor_image ? cursor_current : cursor_default);
+}
+#endif /* TARGET_X11_NATIVE */
+
#endif /* TARGET_X11 */