Re: QT 4.4 and Domino

faq
flatforty
contribute
subscribe
configure
search
rdf

main
parent
thread

Re: QT 4.4 and Domino
by alsuren on Tuesday 05/Feb/2008, @15:14

It strikes me that alien sub-windows will eat ksnapshot's babies, as ksnapshot relies on X11's native windows for some of its features. It will also destroy performance over remote X11. Hopefully, Solid will be able to help with this.

Also, alien windows only help with resizing internally. If you resize the outermost window of a Qt app, it will still flicker horribly, as all X11 and win32 programs traditionally do. If we want this stuff to be fixed properly, it needs to be done within the X server. Someone needs to look at how they do it in OSX.

[/negative]

Related Links

·   Articles on KDE Official News
·   Also by alsuren
·   Contact author

The Fine Print: The following comments are owned by whomever posted them.
( Reply )

Re: QT 4.4 and Domino
by Troy Unrau on Tuesday 05/Feb/2008, @15:58

Solid will not have anything to do with this situation, as it's a hardware detection and presence library. X is still X.

[ Reply To This | View ]

Re: QT 4.4 and Domino
by Aaron Seigo on Tuesday 05/Feb/2008, @19:30

> It will also destroy performance over remote X11.

the obvious solution is to fall back to non-aliens. on request, the widgets can become non-aliens so this should be possible. just .. need to do it =)

> it will still flicker horribly,

compositing and aliens actually help quite a bit here. but you're right, it's still not perfect. i discussed with some x devs while in the airporate in melbourne last week about possible solutions. nothing on the near horizon yet, though.

[ Reply To This | View ]

Re: QT 4.4 and Domino
by Anon on Wednesday 06/Feb/2008, @00:58

"he obvious solution is to fall back to non-aliens. on request, the widgets can become non-aliens so this should be possible. just .. need to do it =)"

Would it be possible in principle to toggle this (with full-fledged KDE apps only, if need be) on-the-fly using a DBUS call? What about double-buffering of widgets which is hugely wasteful if a compositing window manager is running? Being able to easily turn either of these features on or off in all running KDE4 apps would be great :)

[ Reply To This | View ]

Re: QT 4.4 and Domino
by jos poortvliet on Wednesday 06/Feb/2008, @03:17

Turning of doublebuffering for widgets is NOT what you want, everything will look horrible even with compositing. That one needs TT to work on it...

[ Reply To This | View ]

Re: QT 4.4 and Domino
by Nick Shaforostoff on Wednesday 06/Feb/2008, @11:27

btw, what's about xcb adoption by Qt?

[ Reply To This | View ]

The Fine Print: The previous comments are owned by whomever posted them.
( Reply )


		"We were risking our release, Simon loses way too much time on Klondike." -- Stephan Kulow
KDE®, "K Desktop Environment", "KDE Dot News", "got the dot?" and the KDE Logo® are trademarks or registered trademarks of KDE e.V. in the European Union, the United States and other countries. All other trademarks and copyrights on this page are owned by their respective owners. Comments are owned by the poster. The rest: Copyright © 2000-2008 KDE e.V. for The KDE Project. For further information or comments on this site, please contact the Webmaster.