Qt Reference Documentation

# SearchBox.qml Example File

declarative/ui-components/searchbox/SearchBox.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

     FocusScope {
         id: focusScope
         width: 250; height: 28

         BorderImage {
             source: "images/lineedit-bg.png"
             width: parent.width; height: parent.height
             border { left: 4; top: 4; right: 4; bottom: 4 }
         }

         BorderImage {
             source: "images/lineedit-bg-focus.png"
             width: parent.width; height: parent.height
             border { left: 4; top: 4; right: 4; bottom: 4 }
             visible: parent.activeFocus ? true : false
         }

         Text {
             id: typeSomething
             anchors.fill: parent; anchors.leftMargin: 8
             verticalAlignment: Text.AlignVCenter
             text: "Type something..."
             color: "gray"
             font.italic: true
         }

         MouseArea {
             anchors.fill: parent
             onClicked: { focusScope.focus = true; textInput.openSoftwareInputPanel(); }
         }

         TextInput {
             id: textInput
             anchors { left: parent.left; leftMargin: 8; right: clear.left; rightMargin: 8; verticalCenter: parent.verticalCenter }
             focus: true
             selectByMouse: true
         }

         Image {
             id: clear
             anchors { right: parent.right; rightMargin: 8; verticalCenter: parent.verticalCenter }
             source: "images/clear.png"
             opacity: 0

             MouseArea {
                 anchors.fill: parent
                 onClicked: { textInput.text = ''; focusScope.focus = true; textInput.openSoftwareInputPanel(); }
             }
         }

         states: State {
             name: "hasText"; when: textInput.text != ''
             PropertyChanges { target: typeSomething; opacity: 0 }
             PropertyChanges { target: clear; opacity: 1 }
         }

         transitions: [
             Transition {
                 from: ""; to: "hasText"
                 NumberAnimation { exclude: typeSomething; properties: "opacity" }
             },
             Transition {
                 from: "hasText"; to: ""
                 NumberAnimation { properties: "opacity" }
             }
         ]
     }