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
      }
  }