static void DrawDragDropRectRaw(Draw& draw, const Rect& rc, int width)
{
Size size = rc.Size();
if(2 * width <= min(size.cx, size.cy))
XFillRectangle(Xdisplay, draw.GetDrawable(), draw.GetGC(), rc.left, rc.top, size.cx, size.cy);
else
{
XFillRectangle(Xdisplay, draw.GetDrawable(), draw.GetGC(), rc.left, rc.top, size.cx, width);
XFillRectangle(Xdisplay, draw.GetDrawable(), draw.GetGC(), rc.left, rc.bottom - width, size.cx, width);
XFillRectangle(Xdisplay, draw.GetDrawable(), draw.GetGC(), rc.left, rc.top + width, width, size.cy - 2 * width);
XFillRectangle(Xdisplay, draw.GetDrawable(), draw.GetGC(), rc.right - width, rc.top + width, width, size.cy - 2 * width);
}
}
void DrawDragDropRect(Draw& draw, const Rect& rc_old, const Rect& rc_new, int width, Color c1, Color c2)
{
#ifdef PLATFORM_WIN32
#ifdef SYSTEMDRAW
SystemDraw *w = dynamic_cast<SystemDraw *>(&draw);
if(w) { SystemDraw& draw = *w;
#endif
static const word halftone[] = { 0x5555, 0xaaaa, 0x5555, 0xaaaa, 0x5555, 0xaaaa, 0x5555, 0xaaaa };
HBITMAP bitmap = CreateBitmap(8, 8, 1, 1, halftone);
HBRUSH brush = CreatePatternBrush(bitmap);
DeleteObject(bitmap);
draw.BeginGdi();
SetTextColor(draw, c1);
SetBkColor(draw, c2);
if(!IsNull(rc_old))
DrawDragDropRectRaw(draw, rc_old, brush, width);
if(!IsNull(rc_new))
DrawDragDropRectRaw(draw, rc_new, brush, width);
DeleteObject(brush);
draw.EndGdi();
#ifdef SYSTEMDRAW
}
#endif
#endif
#ifdef PLATFORM_X11
XGCValues gcv_old, gcv_new;
XGetGCValues(Xdisplay, draw.GetGC(), GCForeground | GCFunction, &gcv_old);
gcv_new.function = X11_ROP2_XOR;
gcv_new.foreground = GetXPixel(c1);
XChangeGC(Xdisplay, draw.GetGC(), GCForeground | GCFunction, &gcv_new);
if(!IsNull(rc_old))
DrawDragDropRectRaw(draw, rc_old, width);
if(!IsNull(rc_new))
DrawDragDropRectRaw(draw, rc_new, width);
XChangeGC(Xdisplay, draw.GetGC(), GCForeground | GCFunction, &gcv_old);
#endif
}