Rectangle as a root error in QtQuick project

freddy311082

Hi guys

I'm after update to 5.3 version, I have some troubles creating QtQuick projects... With 5.2.1 version when I set a Rectangle as a root of my project, had no problem... Now, when I create a QtQuick project, QtCreator generate a main.qml as we all know, and the root object is Window.

if I change Window by Rectangle, the application doesn't show... here is the code:

This is the coge generated by qtcreator:

@import QtQuick 2.2

Window {
visible: true
width: 360
height: 360

MouseArea {
    anchors.fill: parent
    onClicked: {
        Qt.quit();
    }
}

Text {
    text: qsTr("Hello World")
    anchors.centerIn: parent
}

}
@

This is what it doesn't work

@import QtQuick 2.2

Rectangle {
visible: true
width: 360
height: 360

MouseArea {
    anchors.fill: parent
    onClicked: {
        Qt.quit();
    }
}

Text {
    text: qsTr("Hello World")
    anchors.centerIn: parent
}

}
@

I'm using OS X 10.9.3

regards

Freddy

JKSH

Hi,

If you change main.qml, you also need to change main.cpp

@
// Change this...
QQmlApplicationEngine engine;
engine.load(QUrl(QStringLiteral("qrc:///main.qml")));

// ...to this:
QQuickView view(QUrl(QStringLiteral("qrc:///main.qml")));
view.show();
@

QQmlApplicationEngine takes Window. QQuickView takes Rectangle.

freddy311082

Thanks JSKH, for your reply...

and when is it better use QQmlApplicationEngine and QQuickView ??

regards

JKSH

You're welcome :)

[quote author="freddy311082" date="1401503871"]when is it better use QQmlApplicationEngine and QQuickView ??[/quote]If you want a top-level QML window that has a menubar, statusbar and/or toolbar, then you should use QQmlApplicationEngine (with "ApplicationWindow":http://qt-project.org/doc/qt-5/qml-qtquick-controls-applicationwindow.html as your root).

If you want to embed a QML GUI inside a widget GUI, you should use QQuickView (Qt 5.0 -- Qt 5.2) or QQuickWidget (Qt 5.3 and later).

But if you don't need either of these, then it doesn't really matter which one you choose.