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Hello KDE users and devlopers!
My idea is to have an option in "Window-specific settings" to disable composition when an app is started or when switching to that app(Alt+tab, taskbar, etc.). This would be useful for games, hd movies, and wine(because it isn't working well with composition). I'm not a programmer, but this could be implemented in that way:

-when an app/window is started and it is selected to disable composition, disable(suspend) composition
-when switching to another window, again check if that window is selected to disable composition. If so and composition is active, disable it again. If not and compositing is disabled, enable it.
-Also when trying to enable compositing by hotkey and that window is active, don't enable it.

And a mockup how it could look:


This is my first brainstorm to kde, so if it isn't good, then you know why

In 4.7 you have a checkbox "Block Compositing" which allows you to have KWin automatically suspend compositing once that application is started.

BajK wrote:In 4.7 you have a checkbox "Block Compositing" which allows you to have KWin automatically suspend compositing once that application is started.

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BajK wrote:In 4.7 you have a checkbox "Block Compositing" which allows you to have KWin automatically suspend compositing once that application is started.

Yes, but when I requested this feature KDE 4.7 wasn't even in development (If I'm not mistaken)