GeoMapMissionLabel.qml

Go to the documentation of this file.

/****************************************************************************
 *
 * (c) 2009-2024 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
 *
 * QGroundControl is licensed according to the terms in the file
 * COPYING.md in the root of the source code directory.
 *
 ****************************************************************************/
 
pragma ComponentBehavior: Bound
 
import QtQuick
import QtQuick3D
 
import QGroundControl
import QGroundControl.Controls
import QGroundControl.GeoMap
 
/// Point marker for complex mission item visuals: same colored dot that
/// crossfades into a 3D sphere as GeoMapWaypointItem, plus an always-visible
/// side text label (e.g. "Loiter", "Land").
GeoMapItem {
    id: root
 
    property int index: -1     ///< Sequence number shown in the dot; < 0 shows none
    property string label: ""
    property bool checked: false
    property real size: ScreenTools.defaultFontPixelHeight * 1.5
 
    width: size
    height: size
    anchorPoint: Qt.point(width / 2, height / 2)
    // altitudeMode defaults to ClampToGround (GeoMapItem); callers may override
 
    QGCPalette { id: qgcPal; colorGroupEnabled: root.enabled }
 
    // Same conventions as GeoMapWaypointItem / MissionItemIndexLabel:
    // checked is "green" and grown, everything else the plain indicator color
    readonly property color _markerColor: root.checked ? "green" : qgcPal.mapIndicator
    readonly property real _indicatorSize: root.checked ? root.size : root.size * 0.75
 
    readonly property var _camera: scene ? scene.camera : null
 
    // Constant apparent size, same technique as GeoMapWaypointItem: scene
    // units per screen pixel at the camera's look-at distance. Built-in
    // QtQuick3D meshes are 100 units across.
    readonly property real _modelScale: _camera
        ? root._indicatorSize * _camera.distance * _camera.unitsPerPixelAtUnitDistance / 100
        : 1
 
    Rectangle {
        anchors.centerIn: parent
        width: root._indicatorSize
        height: root._indicatorSize
        radius: width / 2
        color: root._markerColor
        opacity: root.contentOpacity2D
    }
 
    QGCLabel {
        anchors.centerIn: parent
        // MissionItemIndexLabel convention: single-char label lives inside the dot
        text: root.index >= 0 ? root.index : (root.label.length === 1 ? root.label : "")
        color: "white"
        font.bold: true
    }
 
    GeoMapDropShadow {
        id: dropShadow
        geoItem: root
        indicatorSize: root._indicatorSize
    }
 
    Rectangle {
        anchors.left: parent.right
        anchors.leftMargin: ScreenTools.defaultFontPixelWidth / 2
        anchors.verticalCenter: parent.verticalCenter
        width: sideLabel.width + ScreenTools.defaultFontPixelWidth
        height: sideLabel.height
        radius: height / 2
        color: root._markerColor
        visible: root.label.length > 1
 
        QGCLabel {
            id: sideLabel
            anchors.centerIn: parent
            text: root.label
            color: "white"
        }
    }
 
    delegate3D: Component {
        Node {
            Node {
                scale: Qt.vector3d(root._modelScale, root._modelScale, root._modelScale)
 
                Model {
                    source: "#Sphere"
 
                    materials: PrincipledMaterial {
                        baseColor: root._markerColor
                    }
                }
            }
 
            GeoMapDropLine {
                dropLength: dropShadow.dropLength
                lineScale: dropShadow.dropLineScale
                lineColor: root._markerColor
            }
        }
    }
}