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List: kwin
Subject: Re: Review Request 108308: use _NET_WM_STATE_HIDDEN to check if the window is minimized instead of W
From: Yichao Yu <yyc1992 () gmail ! com>
Date: 2016-09-22 20:35:13
Message-ID: 20160922203513.26270.32548 () mimi ! kde ! org
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This is an automatically generated e-mail. To reply, visit:
https://git.reviewboard.kde.org/r/108308/
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(Updated Sept. 22, 2016, 8:35 p.m.)
Status
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This change has been discarded.
Review request for kdelibs, kwin, Plasma, Aaron J. Seigo, and Martin Gräßlin.
Repository: kdelibs
Description
-------
When setting "Keep window thumbnails" to "Always (Breaks minimization)", kwin will keep \
WM_STATE to be NORMAL when a client is minimized while including _NET_WM_STATE_HIDDEN in its \
_NET_WM_STATE, as confirmed by ICCCM[1] and Extended Window Manager Hints[2]. However, apart \
from the expected result (breaks minimization: the client will continue to refresh its content) \
the minimized window is not shown as minimized in icontasks and pager.
These two plasma addons (and probably other addons as well) uses KWindowInfo::isMinimized to \
determine whether the window is minimized. However, this function threat all window that are \
not Iconic (WM_STATE != ICONIC) as not minimized, in contradiction to the "Extended window \
manager hints" which says, "Pagers and similar applications should use _NET_WM_STATE_HIDDEN \
instead of WM_STATE to decide whether to display a window in miniature representations of the \
windows on a desktop."
This patch correct this behavior and therefore correct the behavior of both pager and icontasks \
in this situation.
[1] http://tronche.com/gui/x/icccm/sec-4.html#s-4.1.3.1
[2] http://standards.freedesktop.org/wm-spec/wm-spec-1.3.html#id2731936
Diffs
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kdeui/windowmanagement/kwindowinfo_x11.cpp d983c9a
Diff: https://git.reviewboard.kde.org/r/108308/diff/
Testing
-------
Compiled, pager and icontasks shows minimized windows correctly.
Also tested on openbox (+plasma's pager) by "Xuetian Weng".
Thanks,
Yichao Yu
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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/108308/">https://git.reviewboard.kde.org/r/108308/</a>
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<h1 style="margin: 0; padding: 0; font-size: 10pt;">This change has been discarded.</h1>
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<div>Review request for kdelibs, kwin, Plasma, Aaron J. Seigo, and Martin Gräßlin.</div>
<div>By Yichao Yu.</div>
<p style="color: grey;"><i>Updated Sept. 22, 2016, 8:35 p.m.</i></p>
<div style="margin-top: 1.5em;">
<b style="color: #575012; font-size: 10pt;">Repository: </b>
kdelibs
</div>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" style="border: 1px \
solid #b8b5a0"> <tr>
<td>
<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; \
white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">When setting \
"Keep window thumbnails" to "Always (Breaks minimization)", kwin will keep \
WM_STATE to be NORMAL when a client is minimized while including _NET_WM_STATE_HIDDEN in its \
_NET_WM_STATE, as confirmed by ICCCM[1] and Extended Window Manager Hints[2]. However, apart \
from the expected result (breaks minimization: the client will continue to refresh its content) \
the minimized window is not shown as minimized in icontasks and pager.
These two plasma addons (and probably other addons as well) uses KWindowInfo::isMinimized to \
determine whether the window is minimized. However, this function threat all window that are \
not Iconic (WM_STATE != ICONIC) as not minimized, in contradiction to the "Extended window \
manager hints" which says, "Pagers and similar applications should use \
_NET_WM_STATE_HIDDEN instead of WM_STATE to decide whether to display a window in miniature \
representations of the windows on a desktop."
This patch correct this behavior and therefore correct the behavior of both pager and icontasks \
in this situation.
[1] http://tronche.com/gui/x/icccm/sec-4.html#s-4.1.3.1
[2] http://standards.freedesktop.org/wm-spec/wm-spec-1.3.html#id2731936
</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" style="border: 1px solid \
#b8b5a0"> <tr>
<td>
<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; \
white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Compiled, pager and \
icontasks shows minimized windows correctly. Also tested on openbox (+plasma's pager) by \
"Xuetian Weng".</pre> </td>
</tr>
</table>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">
<li>kdeui/windowmanagement/kwindowinfo_x11.cpp <span style="color: grey">(d983c9a)</span></li>
</ul>
<p><a href="https://git.reviewboard.kde.org/r/108308/diff/" style="margin-left: 3em;">View \
Diff</a></p>
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