Qt Reference Documentation

mousearea-example.qml Example File

declarative/touchinteraction/mousearea/mousearea-example.qml
 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtDeclarative module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 import Qt 4.7

 Rectangle {
     id: box
     width: 350; height: 250

     Rectangle {
         id: redSquare
         width: 80; height: 80
         anchors.top: parent.top; anchors.left: parent.left; anchors.margins: 10
         color: "red"

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

         MouseArea {
             anchors.fill: parent
             hoverEnabled: true
             acceptedButtons: Qt.LeftButton | Qt.RightButton

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

             onPressed: {
                 info.text = 'Pressed (button=' + (mouse.button == Qt.RightButton ? 'right' : 'left')
                     + ' 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: {
                 info.text = 'Released (isClick=' + mouse.isClick + ' wasHeld=' + mouse.wasHeld + ')'
                 posInfo.text = ''
             }

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

     Rectangle {
         id: blueSquare
         width: 80; height: 80
         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: posInfo.top; anchors.horizontalCenter: parent.horizontalCenter; anchors.margins: 30

         onTextChanged: console.log(text)
     }

     Text {
         id: posInfo
         anchors.bottom: parent.bottom; anchors.horizontalCenter: parent.horizontalCenter; anchors.margins: 30
     }
 }
X

Thank you for giving your feedback.

Make sure it is related to this specific page. For more general bugs and requests, please use the Qt Bug Tracker.