QtMobility Reference Documentation

mapviewer.qml Example File

declarative-location/mapviewer/mapviewer.qml
 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples of the Qt Mobility Components.
 **
 ** $QT_BEGIN_LICENSE:BSD$
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 **
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 ** modification, are permitted provided that the following conditions are
 ** met:
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 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
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 **     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 Qt 4.7
 import QtMobility.location 1.2

 Item {
     width: 500
     height: 500

     focus : true

     Map {
         id: map
         z : 1
         plugin : Plugin {
                             name : "nokia"
                         }
         size.width: parent.width
         size.height: parent.height
         zoomLevel: 7
         center: Coordinate {
             latitude: 51.5
             longitude: -0.11
         }

         MapCircle {
             id : circle
             center : Coordinate {
                 //latitude: 0
                 //longitude: 0
                                 latitude : 51.5
                                 longitude : -0.11
                                 }
             color : "red"
             radius : 1000.0
             MapMouseArea {
 //                    onClicked : { console.log('clicked in circle') }
 //                    onDoubleClicked : { console.log('double clicked in circle') }
 //                    onPressed: {console.log('pressed in circle') }
 //                    onReleased: { console.log('released in circle') }
 //                    onPositionChanged: { console.log('moved in circle') }

                 property bool mouseDown : false
                 property int lastX : -1
                 property int lastY : -1

                 hoverEnabled : true

                 onPressed : {
                     mouseDown = true
                     lastX = mouse.x
                     lastY = mouse.y
                 }
                 onReleased : {
                     mouseDown = false
                     lastX = -1
                     lastY = -1
                 }
                 onPositionChanged: {
                     if (mouseDown) {
                         circle.center = mouse.coordinate
                     }
                 }
             }
         }

         MapMouseArea {
             property bool mouseDown : false
             property int lastX : -1
             property int lastY : -1

             hoverEnabled : true

             onPressed : {
                 mouseDown = true
                 lastX = mouse.x
                 lastY = mouse.y
             }
             onReleased : {
                 mouseDown = false
                 lastX = -1
                 lastY = -1
             }
             onPositionChanged: {
                 console.log(mouse.button)
                 if (mouseDown) {
                     var dx = mouse.x - lastX
                     var dy = mouse.y - lastY
                     map.pan(-dx, -dy)
                     lastX = mouse.x
                     lastY = mouse.y
                 }
             }
             onDoubleClicked: {
                 map.center = mouse.coordinate
                 map.zoomLevel += 1
             }
         }
     }
 /*
     MouseArea {

         z : 0
         anchors.fill : parent

         property bool mouseDown : false
         property int lastX : -1
         property int lastY : -1

         hoverEnabled : true
         onPressed : {
             mouseDown = true
             lastX = mouse.x
             lastY = mouse.y
         }
         onReleased : {
             mouseDown = false
             lastX = -1
             lastY = -1
         }
         onPositionChanged: {
             if (mouseDown) {
                 var dx = mouse.x - lastX
                 var dy = mouse.y - lastY
                 map.pan(-dx, -dy)
                 lastX = mouse.x
                 lastY = mouse.y
             }
         }
         onDoubleClicked: {
             map.center = map.toCoordinate(Qt.point(mouse.x, mouse.y))
             map.zoomLevel += 1
         }
     }
 */
     Keys.onPressed: {
         if (event.key == Qt.Key_Plus) {
             map.zoomLevel += 1
         } else if (event.key == Qt.Key_Minus) {
             map.zoomLevel -= 1
         } else if (event.key == Qt.Key_T) {
             if (map.mapType == Map.StreetMap) {
                 map.mapType = Map.SatelliteMapDay
             } else if (map.mapType == Map.SatelliteMapDay) {
                 map.mapType = Map.StreetMap
             }
         }
     }
 }