mousearea.qml Example File | Qt Quick 5.12.8

- Qt 5.12
- Qt Quick
- Qt Quick Examples - MouseArea
- mousearea.qml Example File
- Qt 5.12.8 Reference Documentation

# mousearea.qml Example File

mousearea/mousearea.qml

     /****************************************************************************
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     ** This file is part of the examples of the Qt Toolkit.
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     import QtQuick 2.4

     Rectangle {
         id: box
         width: 320; height: 480

         Rectangle {
             id: redSquare
             width: 120; height: 120
             anchors.top: parent.top; anchors.left: parent.left; anchors.margins: 10
             color: "red"
             opacity: redSquareMouseArea.containsPress ? 0.6 : 1.0

             Text { text: "Click"; font.pixelSize: 16; anchors.centerIn: parent }

             MouseArea {
                 id: redSquareMouseArea
                 anchors.fill: parent
                 hoverEnabled: true
                 property string buttonID

                 acceptedButtons: Qt.AllButtons
                 // Value 'All.Buttons' is eqivalent to:
                 // 'Qt::LeftButton | Qt::RightButton | Qt::MiddleButton  .... | Qt::ExtraButton24'

                 onEntered: info.text = 'Entered'
                 onExited: info.text = 'Exited (pressed=' + pressed + ')'

                 onPressed: {
                     if (mouse.button == Qt.LeftButton)
                         buttonID = 'LeftButton'
                     else if (mouse.button == Qt.RightButton)
                         buttonID = 'RightButton'
                     else if (mouse.button == Qt.MidButton)
                         buttonID = 'MiddleButton'
                     else if (mouse.button == Qt.BackButton)
                         buttonID = 'BackButton'
                     else if (mouse.button == Qt.ForwardButton)
                         buttonID = 'ForwardButton'
                     else if (mouse.button == Qt.TaskButton)
                         buttonID = 'TaskButton'
                     else if (mouse.button == Qt.ExtraButton4)
                         buttonID = 'ExtraButton4'
                     else if (mouse.button == Qt.ExtraButton5)
                         buttonID = 'ExtraButton5'
                     else if (mouse.button == Qt.ExtraButton6)
                         buttonID = 'ExtraButton6'
                     else if (mouse.button == Qt.ExtraButton7)
                         buttonID = 'ExtraButton7'
                     else if (mouse.button == Qt.ExtraButton8)
                         buttonID = 'ExtraButton8'
                     else if (mouse.button == Qt.ExtraButton9)
                         buttonID = 'ExtraButton9'
                     else if (mouse.button == Qt.ExtraButton10)
                         buttonID = 'ExtraButton10'
                     else if (mouse.button == Qt.ExtraButton11)
                         buttonID = 'ExtraButton11'
                     else if (mouse.button == Qt.ExtraButton12)
                         buttonID = 'ExtraButton12'
                     else if (mouse.button == Qt.ExtraButton13)
                         buttonID = 'ExtraButton13'
                     else if (mouse.button == Qt.ExtraButton14)
                         buttonID = 'ExtraButton14'
                     else if (mouse.button == Qt.ExtraButton15)
                         buttonID = 'ExtraButton15'
                     else if (mouse.button == Qt.ExtraButton16)
                         buttonID = 'ExtraButton16'
                     else if (mouse.button == Qt.ExtraButton17)
                         buttonID = 'ExtraButton17'
                     else if (mouse.button == Qt.ExtraButton18)
                         buttonID = 'ExtraButton18'
                     else if (mouse.button == Qt.ExtraButton19)
                         buttonID = 'ExtraButton19'
                     else if (mouse.button == Qt.ExtraButton20)
                         buttonID = 'ExtraButton20'
                     else if (mouse.button == Qt.ExtraButton21)
                         buttonID = 'ExtraButton21'
                     else if (mouse.button == Qt.ExtraButton22)
                         buttonID = 'ExtraButton22'
                     else if (mouse.button == Qt.ExtraButton23)
                         buttonID = 'ExtraButton23'
                     else if (mouse.button == Qt.ExtraButton24)
                         buttonID = 'ExtraButton24'

                     info.text = 'Pressed (' + buttonID + ' shift='
                         + (mouse.modifiers & Qt.ShiftModifier ? 'true' : 'false') + ')'
                     var posInBox = redSquare.mapToItem(box, mouse.x, mouse.y)
                     posInfo.text = + mouse.x + ',' + mouse.y + ' in square'
                             + ' (' + posInBox.x + ',' + posInBox.y + ' in window)'
                 }

                 onReleased: {
                     btn.text = 'Released (isClick=' + mouse.isClick + ' wasHeld=' + mouse.wasHeld + ')'
                     posInfo.text = ''
                 }

                 onPressAndHold: btn.text = 'Press and hold'
                 onClicked: btn.text = 'Clicked (wasHeld=' + mouse.wasHeld + ')'
                 onDoubleClicked: btn.text = 'Double clicked'
             }
         }

         Rectangle {
             id: blueSquare
             width: 120; height: 120
             x: box.width - width - 10; y: 10    // making this item draggable, so don't use anchors
             color: "blue"

             Text { text: "Drag"; font.pixelSize: 16; color: "white"; anchors.centerIn: parent }

             MouseArea {
                 anchors.fill: parent
                 drag.target: blueSquare
                 drag.axis: Drag.XAndYAxis
                 drag.minimumX: 0
                 drag.maximumX: box.width - parent.width
                 drag.minimumY: 0
                 drag.maximumY: box.height - parent.width
             }
         }

         Text {
             id: info
             anchors.bottom: btn.top; anchors.horizontalCenter: parent.horizontalCenter; anchors.margins: 20

             onTextChanged: console.log(text)
         }

         Text {
             id: btn
             anchors.bottom: posInfo.top; anchors.horizontalCenter: parent.horizontalCenter; anchors.margins: 20
         }

         Text {
             id: posInfo
             anchors.bottom: parent.bottom; anchors.horizontalCenter: parent.horizontalCenter; anchors.margins: 20
         }
     }