import QtQuick 2.2

import QtQuick.Controls 1.2

import MiniDisplay 1.0

import QtQuick.Layouts 1.1

import Qt.labs.settings 1.0

Item {

    //width: 100

    //height: 62

    //SystemPalette { id: palette }

    clip: true

    //

    Component.onCompleted: {

        display.closing.connect(onDisplayClosing);

        display.opened.connect(onDisplayOpened);

        appWindow.closing.connect(onWindowClosing);

        if(checkBoxConnectOnStartUp.checked) display.open()

    }

    //We need to disconnect our signals to avoid receiving stray events

    Component.onDestruction: {

        disconnectDisplaySignals()

    }

    //

    Settings {

        property alias connectOnStratUp: checkBoxConnectOnStartUp.checked;

        property alias clearWhenDisconnecting: checkBoxClearWhenDisconnecting.checked;

        property alias clearWhenConnecting: checkBoxClearWhenConnecting.checked;

        property alias brightness: sliderBrightness.value;

    }

    function disconnectDisplaySignals()

    {

        display.closed.disconnect(onDisplayClosing);

        display.opened.disconnect(onDisplayOpened);

    }

    //Clear both front and back buffers

    function clearBuffers()

    {

        display.clear();

        display.swapBuffers();

        display.clear();

        display.swapBuffers();

    }

    function onWindowClosing()

    {

        //Clear both our frames

        onDisplayClosing();

        disconnectDisplaySignals();

    }

    function onDisplayClosing()

    {

        if (checkBoxClearWhenDisconnecting != null && checkBoxClearWhenDisconnecting.checked)

        {

            clearBuffers();

        }

    }

    function onDisplayOpened()

    {

        if (checkBoxClearWhenConnecting.checked)

        {

            clearBuffers();

        }

    }

    //

    Column {

        anchors.fill: parent

        anchors.margins: 8

        spacing: 8

        Button {

            id: buttonOpenClose

            text: display.isOpen ? qsTr("Disconnect") : qsTr("Connect")

            onClicked: display.isOpen ? display.close() : display.open()

        }

        Button {

            text: qsTr("Clear")

            onClicked: {display.clear(); display.swapBuffers();}

            enabled: display.isOpen

            activeFocusOnPress: false

        }

        Button {

            text: qsTr("Fill")

            onClicked: {display.fill(); display.swapBuffers();}

            enabled: display.isOpen

            activeFocusOnPress: false

        }

        CheckBox {

            id: checkBoxConnectOnStartUp

            text: qsTr("Connect on start-up")

        }

        CheckBox {

            id: checkBoxClearWhenDisconnecting

            text: qsTr("Clear when disconnecting")

        }

        CheckBox {

            id: checkBoxClearWhenConnecting

            text: qsTr("Clear when connecting")

        }

    } //ColumnLayout

    Slider {

        id: sliderBrightness

        anchors.margins: 8

        anchors.right: parent.right

        anchors.top: parent.top

        height:parent.height/2

        //

        orientation: Qt.Vertical

        minimumValue: display.minBrightness

        maximumValue: display.maxBrightness

        stepSize:1.0

        tickmarksEnabled: true

        onValueChanged: display.brightness = value

    }

} //Item