On Thu, Sep 04, 2014 at 08:56:52AM -0400, Tom Horsley wrote:
> Just wondering if this strikes a familiar note? The newest
> google-chrome running on my fedora 20 system utterly fails
> to redraw anything at all (not only no web content, but
> no menu bar, navigation buttons, etc) when I minimize it,
> then later restore it from the window list. I get nothing
> but fvwm window decorations and a totally white window
> inside them (at least it is the right size :-).
> 
> Out of curiosity, I tried it under gnome 3 in fedora 21
> (the fedora 20 video drivers won't run gnome 3) and the
> window contents do get restored when I fully restore the
> window, but in gnome 3, in the "preview" with all the small
> copies of the windows you can click on to actually do the
> restore, the google-chrome preview window is totally blank.
> 
> It is like the gnome shell is doing something "extra" when
> actually restoring the google-chrome window that makes
> it really redraw. Any clue what that might be and if I
> can convince fvwm to do it too?

First of all, write a bug report for the application.

Some hints:

 * Does it redraw if you place another window on top of it,
   covering it partially or even completely when you remove the other
   window?

 * Does the broken application gobble cpu?

 * Try the RefreshWindow command on the offending window with
   something like

     All (window-name) RefreshWindow

   RefreshWindow actually tries to force an application redraw by
   covering that window completely for a moment.

If anything of this works, it should be possible to automate that.
Maybe you can add

   Thiswindow (window-name) RefreshWindow

to your de-iconification function.

Ciao

Dominik ^_^  ^_^

-- 

Dominik Vogt

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