Review Request 119062: Add a script to enforce window decorations for GTK windows

[Thomas Lübking]

> On July 1, 2014, 8:15 p.m., David Edmundson wrote:
> > You know my feelings on this. 
> > I will rehash them here if you really want it public. 
> > 
> > >It's our task to provide the *best possible* user experience 
> > (emphasis mine)
> > 
> > before this patch:
> > http://imgur.com/RjtXN0n,VZBmD7G#1
> > 
> > after this patch:
> > http://imgur.com/RjtXN0n,VZBmD7G#0
> > 
> >

I think you uploaded the same image twice.

try with
------- snip ~/.config/gtk-3.0/gtk.css --------------
.window-frame {box-shadow: none; margin: 0px; padding:0px}
--------- /snip ---------------------

best possible experience does btw. not only cover the look, but also the users ability to control windows in a consistent way (and the CSD stuff is not even consistent within itself) and not cut off WM features reg. activation, shading, tabbing, mousebutton behavior, the context menu and whatnot.
On the bottomline, i agree with Martin that a (double)decorated window (without client side shadows) is currently as good as it gets.
Improvements beyond that inevitably require client side improvements (ie. a reasonable protocol for CSD)


- Thomas


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On July 1, 2014, 2:53 p.m., Martin Gräßlin wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/119062/
> -----------------------------------------------------------
> 
> (Updated July 1, 2014, 2:53 p.m.)
> 
> 
> Review request for kwin, Plasma and Hugo Pereira Da Costa.
> 
> 
> Repository: kwin
> 
> 
> Description
> -------
> 
> Add a script to enforce window decorations for GTK windows
> 
> This is going to be a controversal change. It enforces KWin decorations
> on all client side decorated windows from GTK+. Unfortunately we are
> caught between a rock and a hard place. Keeping the status quo means
> having broken windows and a more or less broken window manager due to
> GTK+ including the shadow in the windows. This is no solution.
> Enforcing server side decorations visually breaks the windows. This is
> also no solution. So why do it?
> 
> It's our task to provide the best possible user experience and KWin is
> a window manager which has always done great efforts to fix misbehaving
> windows. One can think of the focus stealing prevention, the window rules
> and lately the scripts. The best possible window management experience is
> our aim. This means we cannot leave the users with the broken windows
> from GTK.
> 
> The issues we noticed were reported to GTK+ about 2 months ago and we are
> working on improving the situation. Unfortunately several issues are not
> yet addressed and others will only be addressed in the next GTK+ release.
> We are working on improving the NETWM spec (see [1]) to ensure that the
> client side decorated windows are not in a broken state. This means the
> enforcment is a temporary solution and will be re-evaluated with the next
> GTK release. I would prefer to not have to do such a change, if some of
> the bugs were fixed or GTK+ would not use client-side-decos on wms not
> yet supporting those all of this would be a no issue.
> 
> For a complete list of the problems caused by GTK's decos see bug [2] and
> the linked bug reports from there.
> 
> The change is done in a least inversive way in KWin. We just check for
> the property _GTK_FRAME_EXTENTS and create a Q_PROPERTY in Client for it.
> If we add support for the frame extents in future we would also need
> this. So it's not a change just for enforcing the decoration.
> 
> The actual enforcing is done through a KWin script so users can still
> disable it.
> 
> [1] https://mail.gnome.org/archives/wm-spec-list/2014-June/msg00002.html
> [2] https://bugzilla.gnome.org/show_bug.cgi?id=729721
> 
> 
> Diffs
> -----
> 
>   atoms.h d52223504a78909efa7c18d7e96feebec8f3cb21 
>   atoms.cpp 576e85f0c0e865721a1b513af9d1ad1bfdb580ea 
>   client.h 8e41e203d01b41fdd918c35fb3dc9353d7e41774 
>   client.cpp 608e6a8435ad9bc7d86ff813038023648e6b7b1e 
>   events.cpp 514eecc69d81136d8975155e0fbb3fef39d3a346 
>   manage.cpp fbdf19570418e412cdadb54f36cf94e5da24db4f 
>   scripts/CMakeLists.txt feeb288250407f5f2bd4b3ea878f21640ebb7d20 
>   scripts/enforcedeco/contents/code/main.js PRE-CREATION 
>   scripts/enforcedeco/metadata.desktop PRE-CREATION 
> 
> Diff: https://git.reviewboard.kde.org/r/119062/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Martin Gräßlin
> 
>

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