I have a popup window (with a transparent background). I want this window to be the same size as the primary application which calls it and be in the same position (so it covers the application window). Does anyone know how to do that?
Also, if possible, do you know how to get the current position of the cursor relative to the window that just popped up?
Here is how the process works:
main window -> user clicks -> widget pops up that covers the parent application window completely -> mouse coordinates are used to draw on the transparent widget that covers application window
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