Answer by Andrey Sidorov for Transparent window in Xwindow parent
In your case you need to composite window pixmap with background window manually. When you create window with root as parent transparency is handled by compositing window manager
View ArticleTransparent window in Xwindow parent
I am trying to create an overlay window above another running application.Let's say firefox. I implemented by usingXcreatewindow win = XCreateWindow( display, *firefoxwindow, 50, 300, 400, 400, 0,...
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