地面站终端 App
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

66 lines
2.7 KiB

/****************************************************************************
*
* (c) 2009-2016 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.
*
****************************************************************************/
import QtQuick 2.3
import QtLocation 5.3
import QGroundControl 1.0
import QGroundControl.ScreenTools 1.0
import QGroundControl.Controls 1.0
/// Use the drag a MissionItemIndicator
Rectangle {
id: itemDragger
x: itemIndicator.x - _touchMarginHorizontal
y: itemIndicator.y - _touchMarginVertical
width: itemIndicator.width + (_touchMarginHorizontal * 2)
height: itemIndicator.height + (_touchMarginVertical * 2)
color: "transparent"
z: QGroundControl.zOrderMapItems + 1 // Above item icons
// Properties which must be specific by consumer
property var itemIndicator ///< The mission item indicator to drag around
property var itemCoordinate ///< Coordinate we are updating during drag
property bool _preventCoordinateBindingLoop: false
property bool _mobile: true//ScreenTools.isMobile
property real _touchWidth: Math.max(itemIndicator.width, ScreenTools.minTouchPixels)
property real _touchHeight: Math.max(itemIndicator.height, ScreenTools.minTouchPixels)
property real _touchMarginHorizontal: _mobile ? (_touchWidth - itemIndicator.width) / 2 : 0
property real _touchMarginVertical: _mobile ? (_touchHeight - itemIndicator.height) / 2 : 0
onXChanged: liveDrag()
onYChanged: liveDrag()
function liveDrag() {
if (!itemDragger._preventCoordinateBindingLoop && Drag.active) {
var point = Qt.point(itemDragger.x + _touchMarginHorizontal + itemIndicator.anchorPoint.x, itemDragger.y + _touchMarginVertical + itemIndicator.anchorPoint.y)
var coordinate = map.toCoordinate(point)
itemDragger._preventCoordinateBindingLoop = true
coordinate.altitude = itemCoordinate.altitude
itemCoordinate = coordinate
itemDragger._preventCoordinateBindingLoop = false
}
}
Drag.active: itemDrag.drag.active
QGCMouseArea {
id: itemDrag
anchors.fill: parent
drag.target: parent
drag.minimumX: 0
drag.minimumY: 0
drag.maximumX: itemDragger.parent.width - parent.width
drag.maximumY: itemDragger.parent.height - parent.height
preventStealing: true
}
}