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List: kde-core-devel
Subject: Re: Qt SVG renderer
From: Michael Pyne <mpyne () purinchu ! net>
Date: 2008-08-14 21:06:14
Message-ID: 200808141706.18292.mpyne () purinchu ! net
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On Thursday 14 August 2008, Alex Merry wrote:
> On Thursday 14 August 2008 13:37:35 Thiago Macieira wrote:
> > Using glassified. This is before and after starting the Qt example
> > desktop/systray. For the second test, I ran kruler and placed it over the
> > system tray before starting the example. You can see kruler in the
> > background of the icon.
>
> It seems to be something to do with QX11EmbedContainer.
>
> I've tried every trick I can find (setting setAutoFillBackground(true),
> calling update() in all sorts of places, making sure
> Qt::WA_OpaquePaintEvent isn't set...), and the background should be solid
> black (well, actually a solid wash of the background colour of the theme),
> but none of it makes any difference. SystemTrayContainer, which inherits
> QX11EmbedContainer, just doesn't seem to be clearing its background.
Is it possible to, instead of filling with Qt::transparent, fill with the
system tray's background color instead? This would require alpha support to
get it right and I don't remember the exact CompositionMode required for that
but it seems funny that we can't even do a solid fill. :-/
Regards,
- Michael Pyne
[Attachment #5 (text/html)]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" \
"http://www.w3.org/TR/REC-html40/strict.dtd"> <html><head><meta name="qrichtext" \
content="1" /><style type="text/css"> p, li { white-space: pre-wrap; }
</style></head><body style=" font-family:'Consolas'; font-size:11pt; font-weight:400; \
font-style:normal;"> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">On Thursday \
14 August 2008, Alex Merry wrote:</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> On Thursday 14 August 2008 13:37:35 Thiago Macieira \
wrote:</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > \
Using glassified. This is before and after starting the Qt example</p> <p style=" \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > desktop/systray. \
For the second test, I ran kruler and placed it over the</p> <p style=" \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > system tray before \
starting the example. You can see kruler in the</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> > background of the icon.</p> <p style=" \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">></p> <p style=" \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> It seems to be something \
to do with QX11EmbedContainer.</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">></p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> I've tried every trick I can find (setting \
setAutoFillBackground(true),</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> calling update() in all sorts of places, making sure</p> <p \
style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> Qt::WA_OpaquePaintEvent \
isn't set...), and the background should be solid</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> black (well, actually a solid wash of the \
background colour of the theme),</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> but none of it makes any difference. SystemTrayContainer, \
which inherits</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> \
QX11EmbedContainer, just doesn't seem to be clearing its background.</p> <p \
style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"></p> <p \
style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Is it possible to, instead of \
filling with Qt::transparent, fill with the system tray's background color instead? \
This would require alpha support to get it right and I don't remember the exact \
CompositionMode required for that but it seems funny that we can't even do a solid \
fill. :-/</p> <p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;"></p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">Regards,</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;"> - Michael Pyne</p></body></html>
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