// Set this cursor on a widget.
internal void SetCursor(Widget widget)
{
Display dpy = widget.dpy;
try
{
IntPtr display = dpy.Lock();
XWindow window = widget.GetWidgetHandle();
if (source != null)
{
if (cursor == XCursor.Zero)
{
XColor foreground = new XColor();
foreground.red = (ushort)0;
foreground.green = (ushort)0;
foreground.blue = (ushort)0;
foreground.flags =
(XColor.DoRed | XColor.DoGreen | XColor.DoBlue);
XColor background = new XColor();
background.red = (ushort)0xFFFF;
background.green = (ushort)0xFFFF;
background.blue = (ushort)0xFFFF;
background.flags =
(XColor.DoRed | XColor.DoGreen | XColor.DoBlue);
if (reverse)
{
cursor = Xlib.XCreatePixmapCursor
(display,
source.GetPixmapHandle(),
mask.GetPixmapHandle(),
ref background, ref foreground,
(uint)hotspotX, (uint)hotspotY);
}
else
{
cursor = Xlib.XCreatePixmapCursor
(display,
source.GetPixmapHandle(),
mask.GetPixmapHandle(),
ref foreground, ref background,
(uint)hotspotX, (uint)hotspotY);
}
}
Xlib.XDefineCursor(display, window, cursor);
}
else if (type == CursorType.XC_inherit_parent)
{
Xlib.XUndefineCursor(display, window);
}
else
{
Xlib.XDefineCursor
(display, window, dpy.GetCursor(type));
}
}
finally
{
dpy.Unlock();
}
}