[prev in list] [next in list] [prev in thread] [next in thread]
List: kwrite-devel
Subject: Re: Review Request 113917: Fix assert in ~QPersistentModelIndex
From: "Kevin Funk" <krf () gmx ! de>
Date: 2013-11-18 10:22:34
Message-ID: 20131118102234.8403.62818 () vidsolbach ! de
[Download RAW message or body]
[Attachment #2 (multipart/alternative)]
> On Nov. 18, 2013, 10:19 a.m., Milian Wolff wrote:
> > part/completion/katecompletionmodel.h, line 340
> > <http://git.reviewboard.kde.org/r/113917/diff/1/?file=214720#file214720line340>
> >
> > the qualification is not required here
Ah, sneaked in through KDevelop's code assistant. Will fix.
- Kevin
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
http://git.reviewboard.kde.org/r/113917/#review43880
-----------------------------------------------------------
On Nov. 18, 2013, 9:39 a.m., Kevin Funk wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/113917/
> -----------------------------------------------------------
>
> (Updated Nov. 18, 2013, 9:39 a.m.)
>
>
> Review request for Kate and Milian Wolff.
>
>
> Bugs: 236948
> http://bugs.kde.org/show_bug.cgi?id=236948
>
>
> Repository: kate
>
>
> Description
> -------
>
> Fix assert in ~QPersistentModelIndex
>
> KateCompletionWidget may call QAIM::setCurrentIndex during a reset of
> the model, inside KateCompletionWidget::modelContentChanged(). At this
> point, model indices are invalid, but QAIM wasn't informed about it.
>
> The main problem is that KateCompletionModel doesn't use the
> (relatively) new {begin,end}ResetModel blocks to make persistent model indices
> invalid as soon as we start resetting the model. Instead reset() is used
> *after* we have reset the model. However, KateCompletionModel may emit
> contentGeometryChanged too early (before a reset()) and hence triggering
> QAIM::setCurrentIndex while QAIM is still referencing now invalid persistent model indices.
>
> Other changes:
> Remove contentGeometryChanged. Instead, use layoutChanged() and
> modelReset() signals to react to model changes.
>
> BUG: 236948
> FIXED-IN: 4.13
>
>
> Diffs
> -----
>
> part/completion/katecompletionmodel.h 5fedbccc37cd49b7403827dafce15b498e99b160
> part/completion/katecompletionmodel.cpp 3fa8080ff95deb1e24327063ccd19dbb13ff49a8
> part/completion/katecompletionwidget.cpp 4bb077e0973fd1eb9f1f5a7bb3e9bccae1a79511
>
> Diff: http://git.reviewboard.kde.org/r/113917/diff/
>
>
> Testing
> -------
>
>
> Thanks,
>
> Kevin Funk
>
>
[Attachment #5 (text/html)]
<html>
<body>
<div style="font-family: Verdana, Arial, Helvetica, Sans-Serif;">
<table bgcolor="#f9f3c9" width="100%" cellpadding="8" style="border: 1px #c9c399 \
solid;"> <tr>
<td>
This is an automatically generated e-mail. To reply, visit:
<a href="http://git.reviewboard.kde.org/r/113917/">http://git.reviewboard.kde.org/r/113917/</a>
</td>
</tr>
</table>
<br />
<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: \
10px;"> <p style="margin-top: 0;">On November 18th, 2013, 10:19 a.m. UTC, <b>Milian \
Wolff</b> wrote:</p> <blockquote style="margin-left: 1em; border-left: 2px solid \
#d0d0d0; padding-left: 10px;">
<table width="100%" border="0" bgcolor="white" style="border: 1px solid #C0C0C0; \
border-collapse: collapse; margin: 2px padding: 2px;"> <thead>
<tr>
<th colspan="4" bgcolor="#F0F0F0" style="border-bottom: 1px solid #C0C0C0; \
font-size: 9pt; padding: 4px 8px; text-align: left;"> <a \
href="http://git.reviewboard.kde.org/r/113917/diff/1/?file=214720#file214720line340" \
style="color: black; font-weight: bold; text-decoration: \
underline;">part/completion/katecompletionmodel.h</a> <span style="font-weight: \
normal;">
(Diff revision 1)
</span>
</th>
</tr>
</thead>
<tbody style="background-color: #e4d9cb; padding: 4px 8px; text-align: center;">
<tr>
<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">class \
KATEPART_TESTS_EXPORT KateCompletionModel : public ExpandingWidgetModel</pre></td>
</tr>
</tbody>
<tbody>
<tr>
<th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" \
align="right"><font size="2">339</font></th> <td bgcolor="#fdfebc" width="50%"><pre \
style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt"><span \
class="hl">bool</span></span> <span class="nf">changeCompletions</span><span \
class="p">(</span><span class="n">Group</span><span class="o">*</span> <span \
class="n">g</span><span class="p">,</span> <span class="n">changeTypes</span> <span \
class="n">changeType</span><span class="p">);</span></pre></td> <th \
bgcolor="#e9eaa8" style="border-left: 1px solid #C0C0C0; border-right: 1px solid \
#C0C0C0;" align="right"><font size="2">339</font></th> <td bgcolor="#fdfebc" \
width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span \
class="kt"><span class="hl">void</span></span> <span \
class="nf">changeCompletions</span><span class="p">(</span><span \
class="n">Group</span><span class="o">*</span> <span class="n">g</span><span \
class="p">,</span> <span class="n"><span \
class="hl">KateCompletionModel</span></span><span class="o"><span \
class="hl">::</span></span><span class="n">changeTypes</span> <span \
class="n">changeType</span><span class="p">);</span></pre></td> </tr>
</tbody>
</table>
<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: \
-pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">the qualification is not \
required here</pre> </blockquote>
</blockquote>
<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; \
white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Ah, sneaked \
in through KDevelop's code assistant. Will fix.</pre> <br />
<p>- Kevin</p>
<br />
<p>On November 18th, 2013, 9:39 a.m. UTC, Kevin Funk wrote:</p>
<table bgcolor="#fefadf" width="100%" cellspacing="0" cellpadding="8" \
style="background-image: \
url('http://git.reviewboard.kde.org/static/rb/images/review_request_box_top_bg.ab6f3b1072c9.png'); \
background-position: left top; background-repeat: repeat-x; border: 1px black \
solid;"> <tr>
<td>
<div>Review request for Kate and Milian Wolff.</div>
<div>By Kevin Funk.</div>
<p style="color: grey;"><i>Updated Nov. 18, 2013, 9:39 a.m.</i></p>
<div style="margin-top: 1.5em;">
<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="http://bugs.kde.org/show_bug.cgi?id=236948">236948</a>
</div>
<div style="margin-top: 1.5em;">
<b style="color: #575012; font-size: 10pt;">Repository: </b>
kate
</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;">Fix assert in ~QPersistentModelIndex
KateCompletionWidget may call QAIM::setCurrentIndex during a reset of
the model, inside KateCompletionWidget::modelContentChanged(). At this
point, model indices are invalid, but QAIM wasn't informed about it.
The main problem is that KateCompletionModel doesn't use the
(relatively) new {begin,end}ResetModel blocks to make persistent model indices
invalid as soon as we start resetting the model. Instead reset() is used
*after* we have reset the model. However, KateCompletionModel may emit
contentGeometryChanged too early (before a reset()) and hence triggering
QAIM::setCurrentIndex while QAIM is still referencing now invalid persistent model \
indices.
Other changes:
Remove contentGeometryChanged. Instead, use layoutChanged() and
modelReset() signals to react to model changes.
BUG: 236948
FIXED-IN: 4.13</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>part/completion/katecompletionmodel.h <span style="color: \
grey">(5fedbccc37cd49b7403827dafce15b498e99b160)</span></li>
<li>part/completion/katecompletionmodel.cpp <span style="color: \
grey">(3fa8080ff95deb1e24327063ccd19dbb13ff49a8)</span></li>
<li>part/completion/katecompletionwidget.cpp <span style="color: \
grey">(4bb077e0973fd1eb9f1f5a7bb3e9bccae1a79511)</span></li>
</ul>
<p><a href="http://git.reviewboard.kde.org/r/113917/diff/" style="margin-left: \
3em;">View Diff</a></p>
</td>
</tr>
</table>
</div>
</body>
</html>
_______________________________________________
KWrite-Devel mailing list
KWrite-Devel@kde.org
https://mail.kde.org/mailman/listinfo/kwrite-devel
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic