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List: kde-core-devel
Subject: Re: Review Request: In Konqueror's session restore dialog, allow user to chose which sessions to res
From: Thomas_Lübking <thomas.luebking () web ! de>
Date: 2012-10-02 12:40:56
Message-ID: 20121002124056.23263.70988 () vidsolbach ! de
[Download RAW message or body]
> On Oct. 2, 2012, 8:57 a.m., David Faure wrote:
> > konqueror/src/konqsessionmanager.cpp, line 166
> > <http://git.reviewboard.kde.org/r/106503/diff/4/?file=88056#file88056line166>
> >
> > Does this really make any difference? Widgets are transparent by default, in \
> > Qt4...
To be more aggressive: DO NOT DO THAT! NEVER!
Qt::transparent is Qt::black with zero alpha component, so whenever someone (UI \
Styles) test the the background color, they will get rubbish for this widget (unless \
you check the alpha component and conditionally treat this as invisible)
This approach showed up someone in the early KDE4 days and is since then the \
pestilence in visual KDE code (so eg. bespin during polishment tests widgets for \
doing this and tries to fix them up as good as possible)
use ::setAutoFillBackground(false) on ::viewport() but please DO NOT FREAK THE \
PALETTE, seriously ;-)
Another issue in this regard are several QItemViews, because they operate on \
hardcoded QPalette::Text, so if you want to make such view "transparent" you should \
not only viewport()->setAutoFillBackground(false) but also (and actually) will \
unfortunately have to "fix" the palette by aligning palette().color(QPalette::Text) \
and parentWidget().palette().color(QPalette::Window) - that includes filtering \
QEvent::Application/PaletteChange and re-fix the colors under this incident (smart \
approach is to check whether the color is already correct and not trigger another \
PaletteChange event in that case ;-)
For the very same manner, please do not abuse setStyleSheet() for being lazy to \
correct colors (now actually changing the palette, maybe even better: \
set[Back|Fore]groundRole()) - you'll end up with hardcoded colors (even if you select \
them at runtime) bypassing the style, and in 90% of all cases will break bright on \
dark palettes.
- Thomas
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
http://git.reviewboard.kde.org/r/106503/#review19731
-----------------------------------------------------------
On Oct. 1, 2012, 8:56 p.m., Dawit Alemayehu wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/106503/
> -----------------------------------------------------------
>
> (Updated Oct. 1, 2012, 8:56 p.m.)
>
>
> Review request for KDE Base Apps and David Faure.
>
>
> Description
> -------
>
> The attached patch fixes one of those pet peeve bugs that infurate me from time to \
> time by allowing me to unselect the sessions I do not want to be restored when \
> Konqueror's restore session dialog pops up.
>
> This addresses bug 260282.
> http://bugs.kde.org/show_bug.cgi?id=260282
>
>
> Diffs
> -----
>
> konqueror/src/konqsessionmanager.cpp 68a003f
> konqueror/src/konqsessionmanager.h ee629e4
>
> Diff: http://git.reviewboard.kde.org/r/106503/diff/
>
>
> Testing
> -------
>
> * Unselected sessions should not be restored.
> * If all available sessions are selected (the default), the behavior should remain \
> the same as it is today.
> * If all available sessions are unselected, disable the "Restore Session" button.
>
>
> Screenshots
> -----------
>
> old restore dialog
> http://git.reviewboard.kde.org/r/106503/s/729/
> new restore dialog
> http://git.reviewboard.kde.org/r/106503/s/731/
> new restore dialog v2
> http://git.reviewboard.kde.org/r/106503/s/739/
> new restore dialog v3
> http://git.reviewboard.kde.org/r/106503/s/750/
>
>
> Thanks,
>
> Dawit Alemayehu
>
>
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This is an automatically generated e-mail. To reply, visit:
<a href="http://git.reviewboard.kde.org/r/106503/">http://git.reviewboard.kde.org/r/106503/</a>
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<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: \
10px;"> <p style="margin-top: 0;">On October 2nd, 2012, 8:57 a.m., <b>David \
Faure</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/106503/diff/4/?file=88056#file88056line166" \
style="color: black; font-weight: bold; text-decoration: \
underline;">konqueror/src/konqsessionmanager.cpp</a> <span style="font-weight: \
normal;">
(Diff revision 4)
</span>
</th>
</tr>
</thead>
<tbody style="background-color: #e4d9cb; padding: 4px 8px; text-align: center;">
<tr>
<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; \
"></pre></td> <td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: \
0; ">SessionRestoreDialog::SessionRestoreDialog(const QStringList& \
sessionFilePaths, QWidget* parent, Qt::WFlags f)</pre></td>
</tr>
</tbody>
<tbody>
<tr>
<th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" \
align="right"><font size="2"></font></th> <td bgcolor="#c5ffc4" width="50%"><pre \
style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td> <th \
bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid \
#C0C0C0;" align="right"><font size="2">166</font></th> <td bgcolor="#c5ffc4" \
width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span \
class="n">scrollPal</span><span class="p">.</span><span \
class="n">setColor</span><span class="p">(</span><span class="n">QPalette</span><span \
class="o">::</span><span class="n">Window</span><span class="p">,</span> <span \
class="n">Qt</span><span class="o">::</span><span class="n">transparent</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;">Does this really make \
any difference? Widgets are transparent by default, in Qt4...</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;">To be more \
aggressive: DO NOT DO THAT! NEVER!
Qt::transparent is Qt::black with zero alpha component, so whenever someone (UI \
Styles) test the the background color, they will get rubbish for this widget (unless \
you check the alpha component and conditionally treat this as invisible)
This approach showed up someone in the early KDE4 days and is since then the \
pestilence in visual KDE code (so eg. bespin during polishment tests widgets for \
doing this and tries to fix them up as good as possible)
use ::setAutoFillBackground(false) on ::viewport() but please DO NOT FREAK THE \
PALETTE, seriously ;-)
Another issue in this regard are several QItemViews, because they operate on \
hardcoded QPalette::Text, so if you want to make such view "transparent" \
you should not only viewport()->setAutoFillBackground(false) but also (and \
actually) will unfortunately have to "fix" the palette by aligning \
palette().color(QPalette::Text) and parentWidget().palette().color(QPalette::Window) \
- that includes filtering QEvent::Application/PaletteChange and re-fix the colors \
under this incident (smart approach is to check whether the color is already correct \
and not trigger another PaletteChange event in that case ;-)
For the very same manner, please do not abuse setStyleSheet() for being lazy to \
correct colors (now actually changing the palette, maybe even better: \
set[Back|Fore]groundRole()) - you'll end up with hardcoded colors (even if you \
select them at runtime) bypassing the style, and in 90% of all cases will break \
bright on dark palettes.</pre> <br />
<p>- Thomas</p>
<br />
<p>On October 1st, 2012, 8:56 p.m., Dawit Alemayehu wrote:</p>
<table bgcolor="#fefadf" width="100%" cellspacing="0" cellpadding="8" \
style="background-image: \
url('http://git.reviewboard.kde.org/media/rb/images/review_request_box_top_bg.png'); \
background-position: left top; background-repeat: repeat-x; border: 1px black \
solid;"> <tr>
<td>
<div>Review request for KDE Base Apps and David Faure.</div>
<div>By Dawit Alemayehu.</div>
<p style="color: grey;"><i>Updated Oct. 1, 2012, 8:56 p.m.</i></p>
<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;">The attached patch fixes one of those pet peeve bugs that infurate me \
from time to time by allowing me to unselect the sessions I do not want to be \
restored when Konqueror's restore session dialog pops up.</pre> </td>
</tr>
</table>
<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;">* Unselected sessions should not be restored.
* If all available sessions are selected (the default), the behavior should remain \
the same as it is today.
* If all available sessions are unselected, disable the "Restore Session" \
button.</pre> </td>
</tr>
</table>
<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=260282">260282</a>
</div>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">
<li>konqueror/src/konqsessionmanager.cpp <span style="color: \
grey">(68a003f)</span></li>
<li>konqueror/src/konqsessionmanager.h <span style="color: \
grey">(ee629e4)</span></li>
</ul>
<p><a href="http://git.reviewboard.kde.org/r/106503/diff/" style="margin-left: \
3em;">View Diff</a></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Screenshots </h1>
<div>
<a href="http://git.reviewboard.kde.org/r/106503/s/729/"><img \
src="http://git.reviewboard.kde.org/media/uploaded/images/2012/09/19/old_konqueror_restore_dialog_400x100.png" \
style="border: 1px black solid;" alt="old restore dialog" /></a>
<a href="http://git.reviewboard.kde.org/r/106503/s/731/"><img \
src="http://git.reviewboard.kde.org/media/uploaded/images/2012/09/19/new_konqueror_restore_dialog_1_400x100.png" \
style="border: 1px black solid;" alt="new restore dialog" /></a>
<a href="http://git.reviewboard.kde.org/r/106503/s/739/"><img \
src="http://git.reviewboard.kde.org/media/uploaded/images/2012/09/28/new_konqueror_restore_dialog_1_400x100.png" \
style="border: 1px black solid;" alt="new restore dialog v2" /></a>
<a href="http://git.reviewboard.kde.org/r/106503/s/750/"><img \
src="http://git.reviewboard.kde.org/media/uploaded/images/2012/10/01/new_konqueror_restore_dialog_400x100.png" \
style="border: 1px black solid;" alt="new restore dialog v3" /></a>
</div>
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