/**************************************************************************** * * (c) 2009-2016 QGROUNDCONTROL PROJECT * * 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 to 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 signal clicked property bool _preventCoordinateBindingLoop: false property bool _mobile: 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 && itemDrag.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 onClicked: itemDragger.clicked() } Item { id: fakeItemIndicator Item { id: anchorPoint } } }