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List:       kde-panel-devel
Subject:    Re: Review Request 122450: Do not set global shortcuts for the Media keys
From:       Martin_Gräßlin <mgraesslin () kde ! org>
Date:       2015-02-27 14:59:27
Message-ID: 20150227145927.12883.37045 () probe ! kde ! org
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> On Feb. 27, 2015, 3:51 p.m., Dan Meltzer wrote:
> > I'm a little late to the party, but this seems like it would cause a regression \
> > for anyone not using plasma workspace... right?  Isn't it a kded bug that the \
> > shortcuts don't get forwarded to the active window?

> I'm a little late to the party, but this seems like it would cause a regression for \
> anyone not using plasma workspace... right?

no, for upgrades it shouldn't matter (though haven't tested), a configured shortcut \
would stay (we will probably do something in plasma about that to more agressively \
steal the shortcut from amarok). For new setups it can still be configured. So it's \
just a change in the default. And even then I would say that this fixes a very severe \
bug in the inter-application play. As kglobalaccel maintainer I think it was a pretty \
severe application abuse to take the shortcut away from any other media application.

> Isn't it a kded bug that the shortcuts don't get forwarded to the active window?

eh no. That would be pretty bad if the shortcut would be passed to the active window. \
Just imagine the shortcut "Ctrl+F1". Whenever you press that to get to desktop 1 it \
would also open the help in the active application. Global shortcuts need to be \
filtered out.


- Martin


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://git.reviewboard.kde.org/r/122450/#review76726
-----------------------------------------------------------


On Feb. 27, 2015, 1:50 p.m., Martin Gräßlin wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/122450/
> -----------------------------------------------------------
> 
> (Updated Feb. 27, 2015, 1:50 p.m.)
> 
> 
> Review request for Amarok and Plasma.
> 
> 
> Repository: amarok
> 
> 
> Description
> -------
> 
> Amarok used to grab the keys for:
> * Qt::Key_MediaPlay
> * Qt::Key_MediaStop
> * Qt::Key_MediaNext
> * Qt::Key_MediaPrevious
> 
> As those are global shortcuts they are taken away from any other
> application when Amarok is running. E.g. if I watch a movie in VLC
> and press the media play button (which VLC handles) Amarok will start
> playback if it's running. If Amarok is not running, VLC will pause
> the playback. This shows that a multi-media application should not
> globally grab these keys.
> 
> In addition we just introduced a change [1] in plasma-workspace for the
> Plasma/5.3 release to grab these shortcuts and bind them to the
> mpris2 dataengine. Now the mpris2 engine handles those shortcuts and
> delegates to the currently active application.
> 
> [1] http://commits.kde.org/plasma-workspace/409fdfab03e7a0b5a61e7796e1fba85b143eab3b
>  
> 
> Diffs
> -----
> 
> src/ActionClasses.cpp 3f6a63e073f76db8ec05daf531dd2d828d3f9c0d 
> src/MainWindow.cpp 484f4251f8911f1c4e63f61ae17efd7b17b5c4e6 
> 
> Diff: https://git.reviewboard.kde.org/r/122450/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Martin Gräßlin
> 
> 


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      This is an automatically generated e-mail. To reply, visit:
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<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: \
10px;">  <p style="margin-top: 0;">On February 27th, 2015, 3:51 p.m. CET, <b>Dan \
Meltzer</b> wrote:</p>  <blockquote style="margin-left: 1em; border-left: 2px solid \
#d0d0d0; padding-left: 10px;">  <pre style="white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: \
inherit;white-space: inherit;">I'm a little late to the party, but this seems like it \
would cause a regression for anyone not using plasma workspace... right?  Isn't it a \
kded bug that the shortcuts don't get forwarded to the active window?</p></pre>  \
</blockquote>







</blockquote>

<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: \
-pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><blockquote \
style="text-rendering: inherit;padding: 0 0 0 1em;border-left: 1px solid \
#bbb;white-space: normal;margin: 0 0 0 0.5em;line-height: inherit;"> <p \
style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: \
inherit;">I'm a little late to the party, but this seems like it would cause a \
regression for anyone not using plasma workspace... right?</p> </blockquote>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: \
inherit;white-space: inherit;">no, for upgrades it shouldn't matter (though haven't \
tested), a configured shortcut would stay (we will probably do something in plasma \
about that to more agressively steal the shortcut from amarok). For new setups it can \
still be configured. So it's just a change in the default. And even then I would say \
that this fixes a very severe bug in the inter-application play. As kglobalaccel \
maintainer I think it was a pretty severe application abuse to take the shortcut away \
from any other media application.</p> <blockquote style="text-rendering: \
inherit;padding: 0 0 0 1em;border-left: 1px solid #bbb;white-space: normal;margin: 0 \
0 0 0.5em;line-height: inherit;"> <p style="padding: 0;text-rendering: \
inherit;margin: 0;line-height: inherit;white-space: inherit;">Isn't it a kded bug \
that the shortcuts don't get forwarded to the active window?</p> </blockquote>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: \
inherit;white-space: inherit;">eh no. That would be pretty bad if the shortcut would \
be passed to the active window. Just imagine the shortcut "Ctrl+F1". Whenever you \
press that to get to desktop 1 it would also open the help in the active application. \
Global shortcuts need to be filtered out.</p></pre> <br />










<p>- Martin</p>


<br />
<p>On February 27th, 2015, 1:50 p.m. CET, Martin Gräßlin wrote:</p>








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<div>Review request for Amarok and Plasma.</div>
<div>By Martin Gräßlin.</div>


<p style="color: grey;"><i>Updated Feb. 27, 2015, 1:50 p.m.</i></p>









<div style="margin-top: 1.5em;">
 <b style="color: #575012; font-size: 10pt;">Repository: </b>
amarok
</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;">Amarok used to grab the keys for:
* Qt::Key_MediaPlay
* Qt::Key_MediaStop
* Qt::Key_MediaNext
* Qt::Key_MediaPrevious

As those are global shortcuts they are taken away from any other
application when Amarok is running. E.g. if I watch a movie in VLC
and press the media play button (which VLC handles) Amarok will start
playback if it&#39;s running. If Amarok is not running, VLC will pause
the playback. This shows that a multi-media application should not
globally grab these keys.

In addition we just introduced a change [1] in plasma-workspace for the
Plasma/5.3 release to grab these shortcuts and bind them to the
mpris2 dataengine. Now the mpris2 engine handles those shortcuts and
delegates to the currently active application.

[1] http://commits.kde.org/plasma-workspace/409fdfab03e7a0b5a61e7796e1fba85b143eab3b</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>src/ActionClasses.cpp <span style="color: \
grey">(3f6a63e073f76db8ec05daf531dd2d828d3f9c0d)</span></li>

 <li>src/MainWindow.cpp <span style="color: \
grey">(484f4251f8911f1c4e63f61ae17efd7b17b5c4e6)</span></li>

</ul>

<p><a href="https://git.reviewboard.kde.org/r/122450/diff/" style="margin-left: \
3em;">View Diff</a></p>






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