- Qt 5.5
- Qt Quick
- Qt Quick Examples - Window and Screen
- ScreenInfo.qml Example File
- Qt 5.5.1 Reference Documentation

# ScreenInfo.qml Example File

window/ScreenInfo.qml

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
    ** met:
    **   * Redistributions of source code must retain the above copyright
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    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
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    **     contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
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    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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    import QtQuick 2.3
    import QtQuick.Window 2.1

    Item {
        id: root
        width: 400
        height: propertyGrid.implicitHeight + 16

        function orientationToString(o) {
            switch (o) {
            case Qt.PrimaryOrientation:
                return "primary";
            case Qt.PortraitOrientation:
                return "portrait";
            case Qt.LandscapeOrientation:
                return "landscape";
            case Qt.InvertedPortraitOrientation:
                return "inverted portrait";
            case Qt.InvertedLandscapeOrientation:
                return "inverted landscape";
            }
            return "unknown";
        }

        Grid {
            id: propertyGrid
            columns: 2
            spacing: 8
            x: spacing
            y: spacing

            Text {
                text: "Screen \"" + Screen.name + "\":"
                font.bold: true
            }
            Item { width: 1; height: 1 } // spacer

            Text { text: "dimensions" }
            Text { text: Screen.width + "x" + Screen.height }

            Text { text: "pixel density" }
            Text { text: Screen.pixelDensity.toFixed(2) + " dots/mm (" + (Screen.pixelDensity * 25.4).toFixed(2) + " dots/inch)" }

            Text { text: "logical pixel density" }
            Text { text: Screen.logicalPixelDensity.toFixed(2) + " dots/mm (" + (Screen.logicalPixelDensity * 25.4).toFixed(2) + " dots/inch)" }

            Text { text: "device pixel ratio" }
            Text { text: Screen.devicePixelRatio.toFixed(2) }

            Text { text: "available virtual desktop" }
            Text { text: Screen.desktopAvailableWidth + "x" + Screen.desktopAvailableHeight }

            Text { text: "orientation" }
            Text { text: orientationToString(Screen.orientation) + " (" + Screen.orientation + ")" }

            Text { text: "primary orientation" }
            Text { text: orientationToString(Screen.primaryOrientation) + " (" + Screen.primaryOrientation + ")" }
        }
    }