Hi Community,
I'm new to Qt and already have a pretty decent task to solve.
I want to implement screen capture functionality. To capture a part of the screen the user can enter selection mode.
In selection mode, I want to show a semi-transparent layer expanding over all screens and a fully transparent rectangular layer inside which can be resized and moved.
The later one indicates the selected area. All windows on the desktop should visually appear below these two layers. That is they are semi-transparent if not inside the selection area. However interaction with those windows should be possible, that is they can e.g. be moved and resized.
How can I archive that behavior? Any help/code snippets are highly appreciated.
I'm using the latest Qt version under Windows.
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