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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/>.

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

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import QtQuick          2.5
import QtQuick.Controls 1.2
import QtQuick.Dialogs  1.2
import QtPositioning    5.2

import QGroundControl                       1.0
import QGroundControl.Palette               1.0
import QGroundControl.Controls              1.0
import QGroundControl.FlightDisplay         1.0
import QGroundControl.ScreenTools           1.0
import QGroundControl.MultiVehicleManager   1.0
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import QGroundControl.QGCPositionManager   1.0
/// Inner common QML for mainWindow
    id: mainWindow
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    readonly property string _planViewSource:       "MissionEditor.qml"
    readonly property string _setupViewSource:      "SetupView.qml"
    readonly property string _preferencesSource:    "MainWindowLeftPanel.qml"
    QGCPalette { id: qgcPal; colorGroupEnabled: true }
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    property real   tbHeight:           ScreenTools.isMobile ? (ScreenTools.isTinyScreen ? (mainWindow.width * 0.0666) : (mainWindow.width * 0.05)) : ScreenTools.defaultFontPixelHeight * 3
    property int    tbCellHeight:       tbHeight * 0.75
    property real   tbSpacing:          ScreenTools.isMobile ? width * 0.00824 : 9.54
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    property real   tbButtonWidth:      tbCellHeight * 1.35
    property real   menuButtonWidth:    (tbButtonWidth * 2) + (tbSpacing * 4) + 1
    property var    gcsPosition:        QtPositioning.coordinate()  // Starts as invalid coordinate
    property var    currentPopUp:       null
    property real   currentCenterX:     0
    property var    activeVehicle:      QGroundControl.multiVehicleManager.activeVehicle
    property string formatedMessage:    activeVehicle ? activeVehicle.formatedMessage : ""
    onHeightChanged: {
        //-- We only deal with the available height if within the Fly or Plan view
        if(!setupViewLoader.visible) {
            ScreenTools.availableHeight = parent.height - toolBar.height
        }
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    function showFlyView() {
        if(currentPopUp) {
            currentPopUp.close()
        ScreenTools.availableHeight = parent.height - toolBar.height
        preferencesPanel.visible    = false
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        flightView.visible          = true
        setupViewLoader.visible     = false
        planViewLoader.visible      = false
        toolBar.checkFlyButton()
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    }
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    function showPlanView() {
        if(currentPopUp) {
            currentPopUp.close()
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        if (planViewLoader.source   != _planViewSource) {
            planViewLoader.source   = _planViewSource
        }
        ScreenTools.availableHeight = parent.height - toolBar.height
        preferencesPanel.visible    = false
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        flightView.visible          = false
        setupViewLoader.visible     = false
        planViewLoader.visible      = true
        toolBar.checkPlanButton()
    }
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    function showSetupView() {
        if(currentPopUp) {
            currentPopUp.close()
        }
        //-- In setup view, the full height is available. Set to 0 so it is ignored.
        ScreenTools.availableHeight = 0
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        if (setupViewLoader.source  != _setupViewSource) {
            setupViewLoader.source  = _setupViewSource
        preferencesPanel.visible    = false
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        flightView.visible          = false
        setupViewLoader.visible     = true
        planViewLoader.visible      = false
        toolBar.checkSetupButton()
    }
    function showPreferences() {
        if(currentPopUp) {
            currentPopUp.close()
        }
        //-- In preferences view, the full height is available. Set to 0 so it is ignored.
        ScreenTools.availableHeight = 0
        if (preferencesPanel.source != _preferencesSource) {
            preferencesPanel.source  = _preferencesSource
        }
        flightView.visible          = false
        setupViewLoader.visible     = false
        planViewLoader.visible      = false
        preferencesPanel.visible    = true
    }

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    // The following are use for unit testing only

    function showSetupFirmware() {
        setupViewLoader.item.showFirmwarePanel()
    }
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    function showSetupParameters() {
        setupViewLoader.item.showParametersPanel()
    }
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    function showSetupSummary() {
        setupViewLoader.item.showSummaryPanel()
    }
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    function showSetupVehicleComponent(vehicleComponent) {
        setupViewLoader.item.showVehicleComponentPanel(vehicleComponent)
    /// Start the process of closing QGroundControl. Prompts the user are needed.
    function attemptWindowClose() {
        unsavedMissionCloseDialog.check()
    }

    function finishCloseProcess() {
        QGroundControl.linkManager.shutdown()
        // The above shutdown causes a flurry of activity as the vehicle components are removed. This in turn
        // causes the Windows Version of Qt to crash if you allow the close event to be accepted. In order to prevent
        // the crash, we ignore the close event and setup a delayed timer to close the window after things settle down.
        delayedWindowCloseTimer.start()
    }

    MessageDialog {
        id:                 unsavedMissionCloseDialog
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        title:              qsTr("QGroundControl close")
        text:               qsTr("You have a mission edit in progress which has not been saved/sent. If you close you will lose changes. Are you sure you want to close?")
        standardButtons:    StandardButton.Yes | StandardButton.No
        modality:           Qt.ApplicationModal
        visible:            false

        onYes: activeConnectionsCloseDialog.check()

        function check() {
            if (planViewLoader.item && planViewLoader.item.syncNeeded) {
                unsavedMissionCloseDialog.open()
            } else {
                activeConnectionsCloseDialog.check()
            }
        }
    }

    MessageDialog {
        id:                 activeConnectionsCloseDialog
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        title:              qsTr("QGroundControl close")
        text:               qsTr("There are still active connections to vehicles. Do you want to disconnect these before closing?")
        standardButtons:    StandardButton.Yes | StandardButton.Cancel
        modality:           Qt.ApplicationModal
        visible:            false
        onYes:              finishCloseProcess()

        function check() {
            if (QGroundControl.multiVehicleManager.activeVehicle) {
                activeConnectionsCloseDialog.open()
            } else {
                finishCloseProcess()
            }
        }
    }

    Timer {
        id:         delayedWindowCloseTimer
        interval:   1500
        running:    false
        repeat:     false

        onTriggered: {
            mainWindow.reallyClose()
        }
    }

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    //-- Detect tablet position
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    Connections {
        target: QGroundControl.qgcPositionManger
        onLastPositionUpdated: {
            if(valid) {
                if(lastPosition.latitude) {
                    if(Math.abs(lastPosition.latitude)  > 0.001) {
                        if(lastPosition.longitude) {
                            if(Math.abs(lastPosition.longitude)  > 0.001) {
                                gcsPosition = QtPositioning.coordinate(lastPosition.latitude,lastPosition.longitude)
    property var messageQueue: []

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    function showMessage(message) {
        if(criticalMmessageArea.visible) {
            messageQueue.push(message)
        } else {
            criticalMessageText.text = message
            criticalMmessageArea.visible = true
        }
    }

    function formatMessage(message) {
        message = message.replace(new RegExp("<#E>", "g"), "color: #f95e5e; font: " + (ScreenTools.defaultFontPointSize.toFixed(0) - 1) + "pt monospace;");
        message = message.replace(new RegExp("<#I>", "g"), "color: #f9b55e; font: " + (ScreenTools.defaultFontPointSize.toFixed(0) - 1) + "pt monospace;");
        message = message.replace(new RegExp("<#N>", "g"), "color: #ffffff; font: " + (ScreenTools.defaultFontPointSize.toFixed(0) - 1) + "pt monospace;");
        return message;
    }

    onFormatedMessageChanged: {
        if(messageArea.visible) {
            messageText.append(formatMessage(formatedMessage))
            //-- Hack to scroll down
            messageFlick.flick(0,-500)
        }
    }

    function showMessageArea() {
        if(currentPopUp) {
            currentPopUp.close()
        }
        if(QGroundControl.multiVehicleManager.activeVehicleAvailable) {
            messageText.text = formatMessage(activeVehicle.formatedMessages)
            //-- Hack to scroll to last message
            for (var i = 0; i < activeVehicle.messageCount; i++)
                messageFlick.flick(0,-5000)
            activeVehicle.resetMessages()
        } else {
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            messageText.text = qsTr("No Messages")
        }
        currentPopUp = messageArea
        messageArea.visible = true
    }

    function showPopUp(dropItem, centerX) {
        if(currentPopUp) {
            currentPopUp.close()
        indicatorDropdown.centerX = centerX
        indicatorDropdown.sourceComponent = dropItem
        indicatorDropdown.visible = true
        currentPopUp = indicatorDropdown
    }

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    //-- Left Settings Menu
    Loader {
        id:                 preferencesPanel
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        anchors.fill:       parent
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        visible:            false
        z:                  QGroundControl.zOrderTopMost + 100
        active:             visible
        onVisibleChanged: {
            console.log("Visible: " + visible)
            if(!visible) {
                source = ""
            }
        }
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    }

    //-- Main UI

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    MainToolBar {
        id:                 toolBar
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        height:             tbHeight
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        anchors.left:       parent.left
        anchors.right:      parent.right
        anchors.top:        parent.top
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        mainWindow:         mainWindow
        opaqueBackground:   preferencesPanel.visible
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        isBackgroundDark:   flightView.isBackgroundDark
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        z:                  QGroundControl.zOrderTopMost
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        onShowSetupView:    mainWindow.showSetupView()
        onShowPlanView:     mainWindow.showPlanView()
        onShowFlyView:      mainWindow.showFlyView()
        onShowPreferences:  mainWindow.showPreferences()
        Component.onCompleted: {
            ScreenTools.availableHeight = parent.height - toolBar.height
        }
    }

    FlightDisplayView {
        id:                 flightView
        anchors.fill:       parent
        visible:            true
        id:                 planViewLoader
        visible:            false
    }

    Loader {
        id:                 setupViewLoader
        anchors.left:       parent.left
        anchors.right:      parent.right
        anchors.top:        toolBar.bottom
        anchors.bottom:     parent.bottom
        visible:            false
    }
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    //-------------------------------------------------------------------------
    //-- Dismiss Pop Up Messages
    MouseArea {
        visible:        currentPopUp != null
        enabled:        currentPopUp != null
        anchors.fill:   parent
        onClicked: {
            currentPopUp.close()
        }
    }

    //-------------------------------------------------------------------------
    //-- Indicator Drop Down Info
    Loader {
        id: indicatorDropdown
        visible: false
        property real centerX: 0
        function close() {
            sourceComponent = null
            mainWindow.currentPopUp = null
        }
    }

    //-------------------------------------------------------------------------
    //-- System Message Area
    Rectangle {
        id:                 messageArea
        function close() {
            currentPopUp = null
            messageText.text    = ""
            messageArea.visible = false
        }
        width:              mainWindow.width  * 0.5
        height:             mainWindow.height * 0.5
        color:              Qt.rgba(0,0,0,0.8)
        visible:            false
        radius:             ScreenTools.defaultFontPixelHeight * 0.5
        border.color:       "#808080"
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        border.width:       2
        anchors.horizontalCenter:   parent.horizontalCenter
        anchors.top:                parent.top
        anchors.topMargin:          tbHeight + ScreenTools.defaultFontPixelHeight
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        MouseArea {
            // This MouseArea prevents the Map below it from getting Mouse events. Without this
            // things like mousewheel will scroll the Flickable and then scroll the map as well.
            anchors.fill:       parent
            preventStealing:    true
            onWheel:            wheel.accepted = true
        }
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        QGCFlickable {
            id:                 messageFlick
            anchors.margins:    ScreenTools.defaultFontPixelHeight
            anchors.fill:       parent
            contentHeight:      messageText.height
            contentWidth:       messageText.width
            pixelAligned:       true
            clip:               true
            TextEdit {
                id:             messageText
                readOnly:       true
                textFormat:     TextEdit.RichText
                color:          "white"
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            anchors.margins:    ScreenTools.defaultFontPixelHeight * 0.5
            anchors.top:        parent.top
            anchors.right:      parent.right
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            width:              ScreenTools.isMobile ? ScreenTools.defaultFontPixelHeight * 1.5 : ScreenTools.defaultFontPixelHeight
            height:             width
            sourceSize.height:  width
            source:             "/res/XDelete.svg"
            fillMode:           Image.PreserveAspectFit
            mipmap:             true
            smooth:             true
            MouseArea {
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                anchors.fill:       parent
                anchors.margins:    ScreenTools.isMobile ? -ScreenTools.defaultFontPixelHeight : 0
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        //-- Clear Messages
        Image {
            anchors.bottom:     parent.bottom
            anchors.right:      parent.right
            anchors.margins:    ScreenTools.defaultFontPixelHeight * 0.5
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            height:             ScreenTools.isMobile ? ScreenTools.defaultFontPixelHeight * 1.5 : ScreenTools.defaultFontPixelHeight
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            width:              height
            sourceSize.height:   height
            source:             "/res/TrashDelete.svg"
            fillMode:           Image.PreserveAspectFit
            mipmap:             true
            smooth:             true
            MouseArea {
                anchors.fill:   parent
                onClicked: {
                    if(QGroundControl.multiVehicleManager.activeVehicleAvailable) {
                        activeVehicle.clearMessages();
                        messageArea.close()
                    }
                }
            }
        }
    //-------------------------------------------------------------------------
    //-- Critical Message Area
    Rectangle {
        id: criticalMmessageArea

        function close() {
            //-- Are there messages in the waiting queue?
            if(mainWindow.messageQueue.length) {
                criticalMessageText.text = ""
                //-- Show all messages in queue
                for (var i = 0; i < mainWindow.messageQueue.length; i++) {
                    var text = mainWindow.messageQueue[i]
                    criticalMessageText.append(text)
                }
                //-- Clear it
                mainWindow.messageQueue = []
            } else {
                criticalMessageText.text = ""
                criticalMmessageArea.visible = false
            }
        }

        width:              mainWindow.width  * 0.55
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        height:             ScreenTools.defaultFontPixelHeight * 6
        visible:            false
        radius:             ScreenTools.defaultFontPixelHeight * 0.5
        anchors.horizontalCenter:   parent.horizontalCenter
        anchors.bottom:             parent.bottom
        anchors.bottomMargin:       ScreenTools.defaultFontPixelHeight
        border.color:       "#808080"
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        border.width:       2

        MouseArea {
            // This MouseArea prevents the Map below it from getting Mouse events. Without this
            // things like mousewheel will scroll the Flickable and then scroll the map as well.
            anchors.fill:       parent
            preventStealing:    true
            onWheel:            wheel.accepted = true
        }

        Flickable {
            id:                 criticalMessageFlick
            anchors.margins:    ScreenTools.defaultFontPixelHeight
            anchors.fill:       parent
            contentHeight:      criticalMessageText.height
            contentWidth:       criticalMessageText.width
            boundsBehavior:     Flickable.StopAtBounds
            pixelAligned:       true
            clip:               true
            TextEdit {
                id:             criticalMessageText
                width:          criticalMmessageArea.width - criticalClose.width - (ScreenTools.defaultFontPixelHeight * 2)
                anchors.left:   parent.left
                readOnly:       true
                textFormat:     TextEdit.RichText
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                font.pointSize: ScreenTools.defaultFontPointSize
                font.family:    ScreenTools.demiboldFontFamily
                wrapMode:       TextEdit.WordWrap
        //-- Dismiss Critical Message
        QGCColoredImage {
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            anchors.margins:    ScreenTools.defaultFontPixelHeight * 0.5
            anchors.top:        parent.top
            anchors.right:      parent.right
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            width:              ScreenTools.isMobile ? ScreenTools.defaultFontPixelHeight * 1.5 : ScreenTools.defaultFontPixelHeight
            height:             width
            sourceSize.height:  width
            source:             "/res/XDelete.svg"
            fillMode:           Image.PreserveAspectFit
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                anchors.fill:       parent
                anchors.margins:    ScreenTools.isMobile ? -ScreenTools.defaultFontPixelHeight : 0
                onClicked: {
                    criticalMmessageArea.close()
                }
            }
        }
        //-- More text below indicator
        QGCColoredImage {
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            anchors.margins:    ScreenTools.defaultFontPixelHeight * 0.5
            anchors.bottom:     parent.bottom
            anchors.right:      parent.right
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            width:              ScreenTools.isMobile ? ScreenTools.defaultFontPixelHeight * 1.5 : ScreenTools.defaultFontPixelHeight
            height:             width
            sourceSize.height:  width
            source:             "/res/ArrowDown.svg"
            fillMode:           Image.PreserveAspectFit
            visible:            criticalMessageText.lineCount > 5
            MouseArea {
                anchors.fill:   parent
                onClicked: {
                    criticalMessageFlick.flick(0,-500)
                }
            }
        }
    }
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