- int x1 = (dx >= 0) ? x : x - dx;
- int y1 = (dy >= 0) ? y : y - dy;
- int w1 = w - abs(dx);
- int h1 = h - abs(dy);
- int x2 = (dx >= 0) ? x + dx : x;
- int y2 = (dy >= 0) ? y + dy : y;
-
- wxClientDC dc((wxWindow*) this);
-
- dc.SetLogicalFunction (wxCOPY);
-
- Window window = (Window) GetMainWindow();
- Display* display = wxGlobalDisplay();
-
- XCopyArea(display, window, window, (GC) dc.GetGC(),
- x1, y1, w1, h1, x2, y2);
-
- dc.SetAutoSetting(TRUE);
- wxBrush brush(GetBackgroundColour(), wxSOLID);
- dc.SetBrush(brush); // FIXME: needed?
-
- // We'll add rectangles to the list of update rectangles according to which
- // bits we've exposed.
- wxList updateRects;
-
- if (dx > 0)