[Konsole-devel] [Bug 156969] Compositing works with KWin, but background transparency settings in Konsole are ignored

[Eike Hein]

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http://bugs.kde.org/show_bug.cgi?id=156969         




------- Additional Comments From hein kde org  2008-02-04 20:32 -------
The '--enable-transparency' switch will likely eventually go away. It's currently there as a precaution, to make the use of an ARGB visual for the application an explicit opt-in, as there are technical issues around them for many users. Even fairly recent versions of the nVidia graphics driver (169.07 and older) have bugs that affect ARGB Qt4 scrollviews and cause rendering corruption.

Yakuake, which is another KDE terminal emulator built on the Konsole technology, currently requests an ARGB visual at startup when there's (a) one available and (b) a composition manager is running, and later decides to use its for-transparency rendering codepath based on (a), (b) and (c) a user-configurable preference. I've made the Konsole KPart behave similarly for the purpose of embedding it in Yakuake. But because requesting an ARGB visual at startup isn't gated by an argument like in Konsole, there have already been some nVidia users with problems because of the aforementioned driver bugs. Yakuake can easily afford to be a bit braver here, but Konsole really can not.