Tips for placing a component at the top of QML views

Seeking advice on how to add a QML Menu component to the top of all views in order to achieve a cohesive look and feel similar to that of a typical webpage menu. Any suggestions on how I can accomplish this?

import QtQuick 1.0 

Row {
    width: 500
    height: 50
    anchors.centerIn: parent
    spacing: parent.width/6

    Button {
         id: loadButton
         text: qsTr("Menu")
    }
    Button { 
         id: saveButton
         text: qsTr("Profile")
    }
    Button {
         id: exitButton
         text: qsTr("View Products")
    }

}
javascriptqtqml

Answer №1

Learn how to control the stacking order of items in QML by utilizing the "z" property of QDeclarativeItem or QML Item. To ensure your menu component appears on top, set its z value to be higher than other elements.

MyMenu
{
   z: 100

   ...
}

Rectangle
{
   z: 1

   ...
}

The qml renderer prioritizes drawing items based on their z values, with higher values being rendered on top. If another item overlaps with your menu, it will appear beneath it. Keep in mind that the default z value is 0, so without specifying a value, the rendering order may be unpredictable.

Best of luck!

Answer №2

In order for QML to properly line up all elements, everything must be placed within a container. For example, if you are creating a row of buttons in a menu, the menu component should always be at the top of each page-like container it is placed in.

For instance, create a file named "Menu.qml" and encapsulate all menu components inside it. Then, in your program, ensure that every location where the menu should appear has a surrounding Rectangle element with the menu anchored to the top:

Rectangle {
    Menu { id: menu; anchor.top: parent.top; anchor.left: parent.left; }

    // add additional content here
    Rectangle { anchor.top: menu.bottom; }
}

By following this structure for each visible object, your layout will work seamlessly!

Another scenario is when using a PageStack, where the menu should be included at the top of each page.

Answer №3

If you're looking for a sleek desktop application interface, consider utilizing the ApplicationWindow component. This creates a user-friendly layout with a header at the top, a footer at the bottom (for status updates), and a central content area.

ApplicationWindow {
visible:true

header: ToolBar {
    RowLayout {
        anchors.fill: parent
        ToolButton {
            text: qsTr("‹")
            onClicked: stack.pop()
        }
        Label {
            text: "Title"
            elide: Label.ElideRight
            horizontalAlignment: Qt.AlignHCenter
            verticalAlignment: Qt.AlignVCenter
            Layout.fillWidth: true
        }
        ToolButton {
            text: qsTr("⋮")
            onClicked: menu.open()
        }
    }
}

StackView {
    id: stack
    anchors.fill: parent
}
}

Source: https://doc.qt.io/qt-6/qml-qtquick-controls2-applicationwindow.html

The StackView occupies the main content area where each of your various content pages can be displayed individually.

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