Bug 114614 – GTK+ 2.8 with Smokey-Blue theme draws corrupt scrollbars

• Status: RESOLVED FIXED
• Product: Gentoo Linux

[Description Stephan Sokolow 2005-12-06 04:24:26 UTC]

When using any GTK+ applicaion with GTK+ 2.8 and the Smokey-Blue GTK theme,
scrollbars are drawn full of garbage. (Sometimes tiny scrollbars (like the ones
used for these text entry fields) escape the problem)

Screenshot attached.


Reproducible: Always
Steps to Reproduce:
1. Upgrade to any GTK+ 2.8 version (I'm currently running 2.8.8 but have tested
it several times over the last few months)
2. Switch to the Smokey-Blue theme
3. Open any scroll-bar using app. If the scrollbars look fine (more likely to
happen in smaller scrollbars), use them to trigger some redrawing.

Actual Results:  
The scrollbars are full of junk pixels

Expected Results:  
The scrollbars should be free of junk pixels

I have no proof, but I suspect this is a problem in libpixmap. (the pixmap
engine) If anyone can point out some other libpixmap-based themes, I'll test
them out.

[Comment 1 Stephan Sokolow 2005-12-06 04:26:06 UTC]

Created attachment 74145 [details]
Example of the bug

Nautilus with GTK+ 2.8 and the Smokey-Blue theme.

[Comment 2 Stephan Sokolow 2005-12-06 04:32:21 UTC]

Created attachment 74146 [details]
Less visible example of the problem

www-client/mozilla-firefox-1.5 (built 2 days ago) displaying this bug while
using the Smokey-Blue theme on GTK+ 2.8

[Comment 3 Stephan Sokolow 2006-01-13 22:19:48 UTC]

I just noticed that passing my mouse over a scrollbar in Leafpad (a GTK-based text editor similar to Microsoft Notepad) results in the following error messages in my text console. 

I have confirmed that it is not specific to any one GTK-based application and that it only occurs for scrollbars.

(leafpad:17464): GdkPixbuf-CRITICAL **: gdk_pixbuf_new_from_data: assertion `height > 0' failed

(leafpad:17464): GdkPixbuf-CRITICAL **: gdk_pixbuf_scale: assertion `src != NULL' failed

(leafpad:17464): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed

Due to lack of action from Gentoo developers, I have opened a bug on GNOME Bugzilla and it can be found at http://bugzilla.gnome.org/show_bug.cgi?id=326916

[Comment 4 Saleem Abdulrasool (RETIRED) 2006-02-17 15:00:17 UTC]

Is this still reproducable with the current stable version of GTK+?

[Comment 5 Stephan Sokolow 2006-02-17 16:12:34 UTC]

2.8.8 does exhibit the problem as far as I can remember. (I had to switch to a different theme because libpixmap was slowing Firefox to a crawl)

[Comment 6 foser (RETIRED) 2006-04-02 16:44:08 UTC]

this bug has been fixed upstream, figure out if we still need to patch

[Comment 7 Leonardo Boshell (RETIRED) 2006-11-16 06:20:44 UTC]

Fixed upstream since gtk+-2.8.14 [http://bugzilla.gnome.org/show_bug.cgi?id=326916].