[Panel-devel] [PATCH] Restore composite support in libtaskmanager

[Ryan P. Bitanga]

> Replacing the application icon with the thumbnail results in very
> large tooltips and doesn't look that good.

When using an HBox layout, that is. And we also need a standard
maximum size for the thumbnail and a configuration option for showing
thumbnails in the task applet, if ever it's added for 4.0. That would
also allow us to get rid of the demo effect in KWin.