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Bug 1816 - Konqueror render glitch with QtCurve
Summary: Konqueror render glitch with QtCurve
Status: RESOLVED FIXED
Alias: None
Product: TDE
Classification: Unclassified
Component: tdebase (show other bugs)
Version: R14.0.0 [Trinity]
Hardware: All Linux
: P5 normal
Assignee: Timothy Pearson
URL:
Depends on:
Blocks:
 
Reported: 2014-01-08 08:07 CST by Michele Calgaro
Modified: 2014-08-13 07:16 CDT (History)
5 users (show)

See Also:
Compiler Version:
TDE Version String:
Application Version:
Application Name:

Attachments
konqueror glitch screenshot (4.00 KB, image/png)
2014-01-08 08:07 CST, Michele Calgaro 		Details
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Description Michele Calgaro 2014-01-08 08:07:53 CST 
Created attachment 1844 [details]
konqueror glitch screenshot

The glitch is around the filter search box. The previous window can be seen around it (highlighted in the red box)
Comment 1 Slávek Banko 2014-01-08 17:31:08 CST 
It looks much like a transparent Juk toolbar -
see attachment 1588 [details] in bug 1693.
Comment 2 Darrell 2014-01-08 23:14:02 CST 
Could this be related to bug 1788?
Comment 3 Timothy Pearson 2014-08-04 12:33:03 CDT 
When I tried this a small glitch in the indicated area showed up very briefly (~ 1 second) while Konqueror was still loading, then disappeared.  Can you confirm that a persistent glitch in the filter bar region is still present with QtCurve and the latest TDE GIT?

Thanks!
Comment 4 Timothy Pearson 2014-08-04 12:37:18 CDT 
(In reply to Timothy Pearson from comment #3)
> When I tried this a small glitch in the indicated area showed up very
> briefly (~ 1 second) while Konqueror was still loading, then disappeared. 
> Can you confirm that a persistent glitch in the filter bar region is still
> present with QtCurve and the latest TDE GIT?
> 
> Thanks!

Never mind, I was just able to replicate this with KAddressBook.  I'll look into it further; it's not true transparency as the background does not change when the window is moved.  I suspect it is a lack of a background color being set/background repaint events going into oblivion.
Comment 5 Timothy Pearson 2014-08-04 19:13:56 CDT 
This is probably related to code around/used by qtcurve.cpp:1726.  Investigation ongoing.
Comment 6 Michele Calgaro 2014-08-04 20:01:59 CDT 
Hi Tim,
yes, the glitch is always there. The background is from the window that was displayed before Konqueror, so that hints to a missed repaint of some area.
Comment 7 Slávek Banko 2014-08-04 20:11:55 CDT 
I'd just like to point out that the problem that seems the same is also with other styles, not just the QtCurve. It is possible that this is a common problem in TQt3? See attachment 1588 [details] in bug 1693.
Comment 8 Michele Calgaro 2014-08-05 04:35:07 CDT 
(In reply to Slávek Banko from comment #7)
>I'd just like to point out that the problem that seems the same is also with 
>other styles, not just the QtCurve.

Some of the styles "share" part of the code, i.e. the same section was taken from a style and copied in another style.
If the glitch appears in all styles, that it is more likely to be a Tqt3 related problem.
If the glitch only appears with some styles but not all, then it is more likely to be a style related problem.
Comment 9 Timothy Pearson 2014-08-07 12:34:23 CDT 
OK, I think I might have found the problem.  It is in tqt3, in the style engine, and I am working on a proper fix.
Comment 10 Timothy Pearson 2014-08-07 13:10:20 CDT 
(In reply to Timothy Pearson from comment #9)
> OK, I think I might have found the problem.  It is in tqt3, in the style
> engine, and I am working on a proper fix.

This should now be fixed in GIT hashes 93b3efa (qt3) and e45396f (tqt3).

Thanks for reporting!
Comment 11 Michele Calgaro 2014-08-12 09:39:38 CDT 
> This should now be fixed in GIT hashes 93b3efa (qt3) and e45396f (tqt3).
I will test in the next days and let you know.
Thanks for looking at it.
Comment 12 Michele Calgaro 2014-08-13 07:16:22 CDT 
Confirmed fixed! Thanks.