bug#38497: 27.0.50; Frame is not rendered when frame-resize-pixelwise it 't

[Ihor Radchenko]

> Does the patch below work?  (I'm no X11 expert, so just shooting at random.)

It seems to work. Though I was not able to reproduce this new problem with
emacs -Q. Will keep testing with my config for a while more to make sure
that the problem is gone. 

Best,
Ihor

YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp> writes:

> On Tue, 17 Dec 2019 09:39:28 +0900,
> Ihor Radchenko wrote:
>> 
>> >> Could you try the patch below?
>> 
>> Even though redrawing started working with the patch following my
>> previous recipe, I observe another redrawing issue with this patch. I
>> haven't tracked the exact recipe yet, but it seems to occur when emacs
>> frame is created in floating layout (maybe because it is not resized
>> after creation in this case, unlike tiling layout).
>
> Does the patch below work?  (I'm no X11 expert, so just shooting at random.)
>
>                                    YAMAMOTO Mitsuharu
>                               mituharu@math.s.chiba-u.ac.jp
>
> diff --git a/src/xterm.c b/src/xterm.c
> index 55e5cb76f2..590b4bda97 100644
> --- a/src/xterm.c
> +++ b/src/xterm.c
> @@ -8934,6 +8934,10 @@ handle_one_xevent (struct x_display_info *dpyinfo,
>        if (f)
>       x_cr_update_surface_desired_size (f, configureEvent.xconfigure.width,
>                                         configureEvent.xconfigure.height);
> +      else if (any && configureEvent.xconfigure.window == FRAME_X_WINDOW 
> (any))
> +     x_cr_update_surface_desired_size (any,
> +                                       configureEvent.xconfigure.width,
> +                                       configureEvent.xconfigure.height);
>  #endif
>  #ifdef USE_GTK
>        if (!f