[Interest] Mixing QWidgets and QtQuickControls 2
harald.vistnes at gmail.com
Fri Nov 11 14:09:33 CET 2022
I have a quite big QWidgets based application and I am considering
migrating portions of it to use Qt Quick Controls 2. I'm new to
QML/QtQuick, so I decided to start very simple and test how to migrate my
About dialog (QDialog).
I tried replacing
auto *widget = new QQuickWidget();
This sort of worked. But if I in my QML used a Window or Dialog as root
entity, 2 windows opened, a black window for the QQuickWidget and another
window with the about dialog. If I changed the root entity to a Rectangle
instead, then the about QML was drawn in the correct window.
However, I have a Close button that should close the dialog. This has no
effect right now. I haven't found a way to connect the click on the close
button to the closing of the QQuickWidget.
So the question is, what is the best way for migrating a QWidgets based
dialog to a Qt Quick Controls based dialog? Should I not use QQuickWidget
for standalone dialogs, but instead trigger the QML in another way? Or
embed the QQuickWidget inside a QDialog? Or use QQmlApplicationEngine
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