Here are my initial intentions:
1. Independent window has a customized title bar;
2. Multiple this type windows are opened from a main window and they can be overlapped by each other freely;
3. they stay on top of their parent window (the main window);
4. they don't have taskbar entries;
Now I made a combination of Qt::Tool | Qt::FramelessWindowHint | Qt::WindowSystemMenuHint and set these windows with no parent window. The first 3 requirements are met but the 4th one isn't. And it gives me another big problem:
If one window is closed, all the other windows disappear until the mouse is pressed on the main window.
Does anyone can help with this problem? I have been struggling with this problem for weeks.
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