Marker.qml Example File | Qt Location 5.4

- Qt 5.4
- Qt Location
- Map Viewer (QML)
- Marker.qml Example File
- Qt 5.4.2 Reference Documentation

# Marker.qml Example File

mapviewer/content/map/Marker.qml

    /****************************************************************************
    **
    ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
    ** Contact: http://www.qt-project.org/legal
    **
    ** 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
    **     notice, this list of conditions and the following disclaimer.
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    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
    **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
    **     of its contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
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    import QtQuick 2.0;
    import QtLocation 5.3
    import QtLocation.examples 5.0

    MapQuickItem {
        id: marker
        property alias lastMouseX: markerMouseArea.lastX
        property alias lastMouseY: markerMouseArea.lastY

        anchorPoint.x: image.width/4
        anchorPoint.y: image.height

        sourceItem: Image {
            id: image
            source: markerMouseArea.containsMouse ? (markerMouseArea.pressed  ? "../../resources/marker_selected.png" :"../../resources/marker_hovered.png") : "../../resources/marker.png"
            MouseArea  {
                id: markerMouseArea
                property int pressX : -1
                property int pressY : -1
                property int jitterThreshold : 10
                property int lastX: -1
                property int lastY: -1
                anchors.fill: parent
                hoverEnabled : false
                drag.target: marker
                preventStealing: true

                onPressed : {
                    map.pressX = mouse.x
                    map.pressY = mouse.y
                    map.currentMarker = -1
                    for (var i = 0; i< map.markers.length; i++){
                        if (marker == map.markers[i]){
                            map.currentMarker = i
                            break
                        }
                    }
                    map.state = ""
                }

                onPressAndHold:{
                    if (Math.abs(map.pressX - mouse.x ) < map.jitterThreshold
                            && Math.abs(map.pressY - mouse.y ) < map.jitterThreshold) {
                        lastX = map.toScreenPosition(marker.coordinate).x
                        lastY = map.toScreenPosition(marker.coordinate).y
                        map.markerPopup()
                    }
                }
            }

            Text{
                id: number
                y: image.height/4
                color: "white"
                font.bold: true
                font.pixelSize: 14
                width:27
                horizontalAlignment: Text.AlignHCenter
                Component.onCompleted: {
                    text = map.markerCounter
                }
            }

        }

        Component.onCompleted: coordinate = map.toCoordinate(Qt.point(markerMouseArea.mouseX,
                                                                      markerMouseArea.mouseY));
    }