FlightMap.qml 10.7 KB
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/*=====================================================================

QGroundControl Open Source Ground Control Station

(c) 2009, 2015 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>

This file is part of the QGROUNDCONTROL project

    QGROUNDCONTROL is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    QGROUNDCONTROL is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.

======================================================================*/

/**
 * @file
 *   @brief QGC Map Background
 *   @author Gus Grubba <mavlink@grubba.com>
 */

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import QtQuick          2.4
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import QtQuick.Controls 1.3
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import QtLocation       5.3
import QtPositioning    5.3
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import QGroundControl                       1.0
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import QGroundControl.FactSystem            1.0
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import QGroundControl.Controls              1.0
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import QGroundControl.FlightMap             1.0
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import QGroundControl.ScreenTools           1.0
import QGroundControl.MultiVehicleManager   1.0
import QGroundControl.Vehicle               1.0
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import QGroundControl.Mavlink               1.0
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Map {
    id: _map
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    property string mapName:            'defaultMap'
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    property string mapType:            QGroundControl.flightMapSettings.mapTypeForMapName(mapName)
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//  property alias  mapWidgets:         controlWidgets
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    property bool   isSatelliteMap:     mapType == "Satellite Map" || mapType == "Hybrid Map"
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    property bool   showScale:          false
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    readonly property real  maxZoomLevel: 20
    property variant        scaleLengths: [5, 10, 25, 50, 100, 150, 250, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 200000, 500000, 1000000, 2000000]

    function formatDistance(meters)
    {
        var dist = Math.round(meters)
        if (dist > 1000 ){
            if (dist > 100000){
                dist = Math.round(dist / 1000)
            }
            else{
                dist = Math.round(dist / 100)
                dist = dist / 10
            }
            dist = dist + " km"
        }
        else{
            dist = dist + " m"
        }
        return dist
    }

    function calculateScale() {
        var coord1, coord2, dist, text, f
        f = 0
        coord1 = _map.toCoordinate(Qt.point(0, scale.y))
        coord2 = _map.toCoordinate(Qt.point(0 + scaleImage.sourceSize.width, scale.y))
        dist = Math.round(coord1.distanceTo(coord2))
        if (dist === 0) {
            // not visible
        } else {
            for (var i = 0; i < scaleLengths.length - 1; i++) {
                if (dist < (scaleLengths[i] + scaleLengths[i+1]) / 2 ) {
                    f = scaleLengths[i] / dist
                    dist = scaleLengths[i]
                    break;
                }
            }
            if (f === 0) {
                f = dist / scaleLengths[i]
                dist = scaleLengths[i]
            }
        }
        text = formatDistance(dist)
        scaleImage.width = (scaleImage.sourceSize.width * f) - 2 * scaleImageLeft.sourceSize.width
        scaleText.text = text
    }
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    zoomLevel:                  18
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    center:                     QGroundControl.lastKnownHomePosition
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    gesture.flickDeceleration:  3000
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    plugin: Plugin { name: "QGroundControl" }
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    ExclusiveGroup { id: mapTypeGroup }
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    Component.onCompleted: onMapTypeChanged

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    property bool _initialMapPositionSet: false
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    Connections {
        target: mainWindow
        onGcsPositionChanged: {
            if (!_initialMapPositionSet) {
                _initialMapPositionSet = true
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                center = mainWindow.gcsPosition
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            }
        }
    }

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    onMapTypeChanged: {
        QGroundControl.flightMapSettings.setMapTypeForMapName(mapName, mapType)
        var fullMapName = QGroundControl.flightMapSettings.mapProvider + " " + mapType
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        for (var i = 0; i < _map.supportedMapTypes.length; i++) {
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            if (fullMapName === _map.supportedMapTypes[i].name) {
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                _map.activeMapType = _map.supportedMapTypes[i]
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                return
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            }
        }
    }
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    MapQuickItem {
        anchorPoint.x:  sourceItem.width  / 2
        anchorPoint.y:  sourceItem.height / 2
        visible:        mainWindow.gcsPosition.isValid
        coordinate:     mainWindow.gcsPosition
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        sourceItem:     MissionItemIndexLabel {
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            label: "Q"
        }
    }

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    onWidthChanged: {
        if(_map.showScale)
            scaleTimer.restart()
    }

    onHeightChanged: {
        if(_map.showScale)
            scaleTimer.restart()
    }

    onZoomLevelChanged:{
        if(_map.showScale)
            scaleTimer.restart()
    }

    Timer {
        id:         scaleTimer
        interval:   100
        running:    false
        repeat:     false
        onTriggered: {
            _map.calculateScale()
        }
    }
    /*
        Scale
    */
    Item {
        id:                         scale
        visible:                    _map.showScale && scaleText.text !== "0 m"
        z:                          _map.z + 20
        width:                      scaleImageLeft.width + scaleImage.width + scaleImageRight.width
        anchors {
            bottom:                 parent.bottom
            bottomMargin:           ScreenTools.defaultFontPixelSize * (0.66)
            right:                  parent.right
            rightMargin:            ScreenTools.defaultFontPixelSize * (0.33)
        }
        Image {
            id:                     scaleImageLeft
            source:                 isSatelliteMap ? "/qmlimages/scale_end.png" : "/qmlimages/scale_endLight.png"
            anchors.bottom:         parent.bottom
            anchors.left:           parent.left
        }
        Image {
            id:                     scaleImage
            source:                 isSatelliteMap ? "/qmlimages/scale.png" : "/qmlimages/scaleLight.png"
            anchors.bottom:         parent.bottom
            anchors.left:           scaleImageLeft.right
        }
        Image {
            id:                     scaleImageRight
            source:                 isSatelliteMap ? "/qmlimages/scale_end.png" : "/qmlimages/scale_endLight.png"
            anchors.bottom:         parent.bottom
            anchors.left:           scaleImage.right
        }
        QGCLabel {
            id: scaleText
            color:                  isSatelliteMap ? "white" : "black"
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            font.family:            ScreenTools.demiboldFontFamily
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            horizontalAlignment:    Text.AlignHCenter
            anchors.bottom:         parent.bottom
            anchors.right:          parent.right
            anchors.bottomMargin:   ScreenTools.defaultFontPixelSize * (0.83)
            text: "0 m"
        }
        Component.onCompleted: {
            if(_map.showScale)
                _map.calculateScale();
        }
    }

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    /*********************************************
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    /// Map control widgets
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    Column {
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        id:                 controlWidgets
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        anchors.margins:    ScreenTools.defaultFontPixelWidth
        anchors.right:      parent.right
        anchors.bottom:     parent.bottom
        spacing:            ScreenTools.defaultFontPixelWidth / 2
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        z:                  1000    // Must be on top for clicking
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        // Pinch zoom doesn't seem to be working, so zoom buttons in mobile on for now
        //visible:            !ScreenTools.isMobile
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        Row {
            layoutDirection:    Qt.RightToLeft
            spacing:            ScreenTools.defaultFontPixelWidth / 2

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            readonly property real _zoomIncrement: 1.0
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            property real _buttonWidth: ScreenTools.defaultFontPixelWidth * 5
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            NumberAnimation {
                id: animateZoom
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                property real startZoom
                property real endZoom
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                target:     _map
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                properties: "zoomLevel"
                from:       startZoom
                to:         endZoom
                duration:   500
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                easing {
                    type: Easing.OutExpo
                }
            }

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            QGCButton {
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                width:  parent._buttonWidth
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                z:      QGroundControl.zOrderWidgets
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                //iconSource: "/qmlimages/ZoomPlus.svg"
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                text:   "+"
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                onClicked: {
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                    var endZoomLevel = _map.zoomLevel + parent._zoomIncrement
                    if (endZoomLevel > _map.maximumZoomLevel) {
                        endZoomLevel = _map.maximumZoomLevel
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                    }
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                    animateZoom.startZoom = _map.zoomLevel
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                    animateZoom.endZoom = endZoomLevel
                    animateZoom.start()
                }
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            }
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            QGCButton {
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                width:  parent._buttonWidth
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                z:      QGroundControl.zOrderWidgets
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                //iconSource: "/qmlimages/ZoomMinus.svg"
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                text:   "-"
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                onClicked: {
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                    var endZoomLevel = _map.zoomLevel - parent._zoomIncrement
                    if (endZoomLevel < _map.minimumZoomLevel) {
                        endZoomLevel = _map.minimumZoomLevel
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                    }
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                    animateZoom.startZoom = _map.zoomLevel
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                    animateZoom.endZoom = endZoomLevel
                    animateZoom.start()
                }
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            }
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        } // Row - +/- buttons
    } // Column - Map control widgets
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*********************************************/
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/*
 The slider and scale display are commented out for now to try to save real estate - DonLakeFlyer
 Not sure if I'll bring them back or not. Need room for waypoint list at bottom
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    QGCSlider {
        id: zoomSlider;
        minimum: map.minimumZoomLevel;
        maximum: map.maximumZoomLevel;
        opacity: 1
        visible: parent.visible
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        z: 1000
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        anchors {
            bottom: parent.bottom;
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            bottomMargin:   ScreenTools.defaultFontPixelSize * (1.25)
            rightMargin:    ScreenTools.defaultFontPixelSize * (1.66)
            leftMargin:     ScreenTools.defaultFontPixelSize * (1.66)
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            left: parent.left
        }
        width: parent.width - anchors.rightMargin - anchors.leftMargin
        value: map.zoomLevel
        Binding {
            target: zoomSlider; property: "value"; value: map.zoomLevel
        }
        onValueChanged: {
            map.zoomLevel = value
        }
    }
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*/
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} // Map