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