martin rudalics <rudalics@gmx.at> writes:

>  >>> Two additional things you could try: What happens when you use 0
>  >>> instead of 1 in the XtNwidthInc and XtNheightInc assignments like
>  >>>
>  >>> 		 XtNwidthInc, (XtArgVal) (frame_resize_pixelwise ? 0 : cw),
>  >>> 		 XtNheightInc, (XtArgVal) (frame_resize_pixelwise ? 0 : ch),
>  >>>
>  >>> And what happens when you skip these two assignments entirely when
>  >>> frame_resize_pixelwise is non-nil?
>  >>
>  >> Let me try and report back once I finish.
>  >
>  > I tried both. I do not see any difference. Still no redrawing.
>
> We are probably missing something all too obvious (for example, why
> scroll bars are apparently redrawn orderly).
>
> You say yours is a tiling window manager: What happens when you manage
> to remove all windows but the Emacs window from display?  This should
> implicitly maximise the frame.  Does it redraw then?
>
> And what happens when you remove the entire
>
>    XtVaSetValues (wmshell,
> 		 XtNbaseWidth, (XtArgVal) base_width,
> 		 XtNbaseHeight, (XtArgVal) base_height,
> 		 XtNwidthInc, (XtArgVal) (frame_resize_pixelwise ? 1 : cw),
> 		 XtNheightInc, (XtArgVal) (frame_resize_pixelwise ? 1 : ch),
> 		 XtNminWidth, (XtArgVal) base_width,
> 		 XtNminHeight, (XtArgVal) base_height,
> 		 NULL);
>
> call?
>
> martin