Qt Reference Documentation

# TabWidget.qml Example File

declarative/ui-components/tabwidget/TabWidget.qml

     /****************************************************************************
     **
     ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the examples 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 QtQuick 1.0

     Item {
         id: tabWidget

         // Setting the default property to stack.children means any child items
         // of the TabWidget are actually added to the 'stack' item's children.
         // See the "Property Binding"
         // documentation for details on default properties.
         default property alias content: stack.children

         property int current: 0

         onCurrentChanged: setOpacities()
         Component.onCompleted: setOpacities()

         function setOpacities() {
             for (var i = 0; i < stack.children.length; ++i) {
                 stack.children[i].opacity = (i == current ? 1 : 0)
             }
         }

         Row {
             id: header

             Repeater {
                 model: stack.children.length
                 delegate: Rectangle {
                     width: tabWidget.width / stack.children.length; height: 36

                     Rectangle {
                         width: parent.width; height: 1
                         anchors { bottom: parent.bottom; bottomMargin: 1 }
                         color: "#acb2c2"
                     }
                     BorderImage {
                         anchors { fill: parent; leftMargin: 2; topMargin: 5; rightMargin: 1 }
                         border { left: 7; right: 7 }
                         source: "tab.png"
                         visible: tabWidget.current == index
                     }
                     Text {
                         horizontalAlignment: Qt.AlignHCenter; verticalAlignment: Qt.AlignVCenter
                         anchors.fill: parent
                         text: stack.children[index].title
                         elide: Text.ElideRight
                         font.bold: tabWidget.current == index
                     }
                     MouseArea {
                         anchors.fill: parent
                         onClicked: tabWidget.current = index
                     }
                 }
             }
         }

         Item {
             id: stack
             width: tabWidget.width
             anchors.top: header.bottom; anchors.bottom: tabWidget.bottom
         }
     }