VirtualJoystick.qml

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

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/>.

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

import QtQuick 2.5

import QGroundControl               1.0
import QGroundControl.ScreenTools   1.0
import QGroundControl.Controls      1.0
import QGroundControl.Palette       1.0
import QGroundControl.Vehicle       1.0

Item {
    QGCMapPalette { id: mapPal; lightColors: !isBackgroundDark }

    Timer {
        interval:   40  // 25Hz, same as real joystick rate
        running:    QGroundControl.virtualTabletJoystick && _activeVehicle
        repeat:     true
        onTriggered: {
            if (_activeVehicle) {
                _activeVehicle.virtualTabletJoystickValue(rightStick.xAxis, rightStick.yAxis, leftStick.xAxis, leftStick.yAxis)
            }
        }
    }

    JoystickThumbPad {
        id:                     leftStick
        anchors.leftMargin:     xPositionDelta
        anchors.bottomMargin:   -yPositionDelta
        anchors.left:           parent.left
        anchors.bottom:         parent.bottom
        width:                  parent.height
        height:                 parent.height
        yAxisThrottle:          true
        lightColors:            !isBackgroundDark
    }

    JoystickThumbPad {
        id:                     rightStick
        anchors.rightMargin:    -xPositionDelta
        anchors.bottomMargin:   -yPositionDelta
        anchors.right:          parent.right
        anchors.bottom:         parent.bottom
        width:                  parent.height
        height:                 parent.height
        lightColors:            !isBackgroundDark
    }
}