Errors in using ApplicationWindow in Qt Quick Design

[Blackzero]

I don't know why, but this always causes an error in Qt Quick Designer when I use ApplicationWindow. Is there a solution for this?

[SGaist]

Hi,

Are you sure you are using the tool your think you are using ?
Your thread title mention Qt Quick Designer while the error mentions Qt Design Studio. These are not the same.

[Blackzero]

@SGaist I use the QtQuick plugin in Qt Creator.

[JKSH]

@Blackzero said in Errors in using ApplicationWindow in Qt Quick Design:

Is there a solution for this?

1. Always use Item (or something that inherits Item) as the root type in a *.ui.qml file.
2. Put your ApplicationWindow in a *.qml file and don't use the Designer to edit it.

@SGaist said in Errors in using ApplicationWindow in Qt Quick Design:

Your thread title mention Qt Quick Designer while the error mentions Qt Design Studio. These are not the same.

Behind the scenes, Qt Design Studio is actually a "re-skinned" copy of Qt Creator that brings the Qt Quick Designer to the forefront. That's supposed to be an implementation detail, but it leaks out in noticeable ways.

[Blackzero]

@JKSH Yes, the application can still run. I hope that in the future, Qt Quick Plugin will support ApplicationWindow.

[JKSH]

@Blackzero said in Errors in using ApplicationWindow in Qt Quick Design:

@JKSH Yes, the application can still run. I hope that in the future, Qt Quick Plugin will support ApplicationWindow.

There is an open change request for this. You can watch/vote for it: https://bugreports.qt.io/browse/QDS-10914

I forgot: It should also work if you use Window instead of ApplicationWindow. But the latter is a lot more feature-rich.