Hi,
Dock widgets are very useful, but there are cases where I'd like to be able to
detach them to a regular window, because
- regular windows stay visible when the application focus changes
- regular windows can do stacking
- regular windows can be put (partly) off the screen
The latter 2 are practical when using a smaller screen size, all three are
useful for, say, a documentation browser.
How can one achieve this? I see that QDockWidget::setFloating(true) ultimately
just sets the Qt::Tool window flag, so I tried unsetting that. At the moment, I
have
connect(this, &QDockWidget::topLevelChanged, this, [this] (bool floating) {
if (floating) {
setTitleBarWidget(0);
setWindowFlags(Qt::Window);
updateGeometry();
activateWindow();
raise();
}
} );
which probably has a number of redundant calls, doesn't handle the case when a
QDockWidget is created in "floating" mode and also isn't reliable.
Most of the time, the window simply disappears when the above lambda is
triggered. In addition, under X11 the window will have the regular titlebar
provided by the WM but looks as if there's a regular window with the floating
dock window inside, tiny titlebar included.
What am I missing here?
Thanks,
René
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