On Sat, Jan 10, 2004 at 06:16:03PM +0000, Mikhael Goikhman wrote:
> On 10 Jan 2004 18:01:31 +0100, Marcus Lundblad wrote:
> >
> > On Sat, 10 Jan 2004, Klaus Umbach wrote:
> >
> > > On Sa, Jan 10, 2004 at 11:11:26 -0500, Dan Espen wrote:
> > > > Klaus Umbach <[EMAIL PROTECTED]> writes:
> > > > > Hello list,
> > > > > is it possible, to let fvwm do something in the background?
> > > > > With the help of Tavis Ormandy, I have a nice function now, to have
> > > > > a thumbnail of an iconified window for the icon. It really looks
> > > > > beautiful, but it takes some time, to iconify a fullscreen-window (2-3
> > > > > secs!).
> > > > > While fvwm is working on that thumbnail-function, I cannot do
> > > > > anything,
> > > > > is it possible, put it in the background, so I don't have to wait
> > > > > anymore, until I can work?
> > > >
> > > > Search the man page for "Schedule".
> > >
> > > No, that doesn't help, I still cannot do anything while this function is
> > > processed.
> > >
> > > DestroyFunc Thumbnail
> > > AddToFunc Thumbnail
> > > + I Raise
> > > + I PipeRead "xwd -silent -id $[w.id] >
> > > $[HOME]/.fvwm/icon.tmp.$[w.id].xwd"
> > > + I Iconify
> > > + I Schedule 1000 $[w.id] PipeRead "nice -19 convert -resize 64x54 -frame
> > > 1x1 -mattecolor black -quality 0 xwd:$[HOME]/.fvwm/icon.tmp.$[w.id].xwd
> > > png:$[HOME]/.fvwm/icon.tmp.$[w.id].png && echo WindowStyle IconOverride,
> > > UseIcons, Icon $[HOME]/.fvwm/icon.tmp.$[w.id].png,StaysOnBottom || echo
> > > Nop"
> >
> > Try replacing "PipeRead" with "Exec".
>
> No, just replacing will not work here. You can't Iconify until the
> screenshot is taken.
>
> You may avoid any freeze if you use this technology:
>
> DestroyFunc Thumbnail
> AddToFunc Thumbnail
> + I Raise
> + I Exec create-xwd; FvwmCommand 'WindowId $[w.id] Iconify on'; \
> create-png; FvwmCommand 'WindowId $[w.id] WindowStyle Icon icon.png'
>
> (Just don't forget to run FvwmCommandS in StartFunction.)
>
> But then the results are unpredictable, you may lower your window or move
> it outside the screen and the snapshot will be broken. Or you may Iconify
> the window for the second time by a mistake (using the same function
> obviously), then you may have real troubles with files.
>
> There is no way to prevent all these problems without locking, i.e.
> you would better wait in PipeRead.
But only taking the screenshot has to be done synchronously. Try
DestroyFunc Thumbnail
AddToFunc Thumbnail
+ I Raise
+ I PipeRead "xwd -silent -id $[w.id] \
> $[HOME]/.fvwm/icon.tmp.$[w.id].xwd"
+ I Iconify
+ I Exec FvwmCommand 'WindowId $[w.id] Iconify on'; \
create-png; \
FvwmCommand 'WindowId $[w.id] WindowStyle Icon icon.png'
Ciao
Dominik ^_^ ^_^
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