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[Bug 1436553] Re: Transparent windows render black with Gtk3.16 and compiz


Has compiz - 1: been tested with GNOME
apps that use client side decoration, WITHOUT any Ubuntu patches that
remove CSD and restore normal server side decoration and running by
itself without Unity running?

This version does not fix anything for me in gtk3.17 except of course
the Metacity 3.16 or later issue. I tested both Ubuntu's packages and my
custom build in the Debian Unstable that is now my main system with the
same results. I can force popup window transparency in anything I build
myself but this does not help GNOME's CSD applications.

There is a rough workaround that allows use of CSD applications, forces
square corners and you have to align the mouse with a 1px margin to
resize but it works and splits out menu popup windows to get normal
shadows. You do get a shadow around a CSD apps-ouside the black margin.
Setting that to zero means no resize except from the header bar, so it
must be set to 1 and a 1px black border is added to the shadow.

These two sections in a gtk theme will do it, but you still cannot have
round corners:

 .window-frame.csd {
	border-radius: 7px;
	border-width: 2px;
	margin: 1px;
	box-shadow: 0 2px 2px 3px alpha(black, 0.5); 

.window-frame, .window-frame.csd.popup,  .window-frame.csd.message-dialog {
	border-radius: 7px;
	border-width: 2px;
	margin: 1px;
	box-shadow: none; 
	/* This shadow will appear on cairo-dock popups if you use it, the workaround
	is to create a file called menu.css in ~/config/cairo-dock/current_theme, copy
	the above lines into it, and change the shadow to all zeroes and an alpha of 0.0 */

I will continue to follow and test this but for normal use will keep my
one-off build of the previous version of compiz with the patches that DO
fix all of this.

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  Transparent windows render black with Gtk3.16 and compiz

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