> I find the GtkFixed widget that contains the windows of a frame, then I add
> the webkitgtk widget as a child of that GtkFixed. So everything under the
> widget is obscured, including any text written into the webkit-mode buffer.
> In fact I use the buffer for processing module->lisp async messages. I
> monitor for changes in the coordinates of the window with
> `window-size-change-functions`. Child frames are also added as children of
> the GtkFixed widget which presents a problem for things like posframe. I
> ensure that the webkit view is always below such child frames, as it would
> be if it were rendered as part of the buffer's window itself.

Could this approach be used to perform OpenGL drawing or obtaining a
cairo context to draw on? I'm not terribly interested in putting a
webview inside Emacs, 3D/2D graphics however...

Vasilij