Qt 4.8: textalignment.qml Example File (declarative/righttoleft/textalignment/qml/textalignment/textalignment.qml)

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# textalignment.qml Example File

declarative/righttoleft/textalignment/qml/textalignment/textalignment.qml

     /****************************************************************************
     **
     ** Copyright (C) 2015 The Qt Company Ltd.
     ** Contact: http://www.qt.io/licensing/
     **
     ** 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 The Qt Company Ltd 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
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     ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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     import QtQuick 1.1

     Rectangle {
         id: root
         color: "white"
         width: containerColumn.width
         height: containerColumn.height + containerColumn.anchors.topMargin

         property bool mirror: false
         property variant horizontalAlignment: undefined

         property variant editorType: ["Plain Text", "Styled Text", "Plain Rich Text", "Italic Rich Text", "Plain TextEdit", "Italic TextEdit", "TextInput"]
         property variant text: ["", " ", "Hello world!", " !", "Hello world! Hello!\nHello world! Hello!", " ! !  ! !" ," ! !  Hello world!\n! !"]
         property variant description: ["empty text", "white-space-only text", "left-to-right text", "right-to-left text", "multi-line left-to-right text", "multi-line right-to-left text", "multi-line bidi text"]
         property variant textComponents: [plainTextComponent, styledTextComponent, richTextComponent, italicRichTextComponent, plainTextEdit, italicTextEdit, textInput]

         function shortText(horizontalAlignment) {

             // all the different QML editors have
             // the same alignment values
             switch (horizontalAlignment) {
             case Text.AlignLeft:
                 return "L";
             case Text.AlignRight:
                 return "R";
             case Text.AlignHCenter:
                 return "C";
             case Text.AlignJustify:
                 return "J";
             default:
                 return "Error";
             }
         }
         Column {
             id: containerColumn
             spacing: 10
             width: editorTypeRow.width
             anchors { top: parent.top; topMargin: 5 }
             Row {
                 id: editorTypeRow
                 Repeater {
                     model: editorType.length
                     Item {
                         width: editorColumn.width
                         height: editorColumn.height
                         Column {
                             id: editorColumn
                             spacing: 5
                             width: textColumn.width+10
                             Text {
                                 text: root.editorType[index]
                                 font.pixelSize: 16
                                 anchors.horizontalCenter: parent.horizontalCenter
                             }
                             Column {
                                 id: textColumn
                                 spacing: 5
                                 anchors.horizontalCenter: parent.horizontalCenter
                                 Repeater {
                                     model: textComponents.length
                                     delegate: textComponents[index]
                                 }
                             }
                         }
                     }
                 }
             }
             Column {
                 spacing: 2
                 width: parent.width
                 Rectangle {
                     // button
                     height: 50; width: parent.width
                     color: mouseArea.pressed ? "black" : "lightgray"
                     Column {
                         anchors.centerIn: parent
                         Text {
                             text: root.mirror ? "Mirrored" : "Not mirrored"
                             color: "white"
                             font.pixelSize: 16
                             anchors.horizontalCenter: parent.horizontalCenter
                         }
                         Text {
                             text: "(click here to toggle)"
                             color: "white"
                             font.pixelSize: 10
                             font.italic: true
                             anchors.horizontalCenter: parent.horizontalCenter
                         }
                     }
                     MouseArea {
                         id: mouseArea
                         property int index: 0
                         anchors.fill: parent
                         onClicked: root.mirror = !root.mirror
                     }
                 }
                 Rectangle {
                     // button
                     height: 50; width: parent.width
                     color: mouseArea2.pressed ? "black" : "gray"
                     Column {
                         anchors.centerIn: parent
                         Text {
                             text: {
                                 if (root.horizontalAlignment == undefined)
                                     return "Implict alignment";
                                 switch (root.horizontalAlignment) {
                                 case Text.AlignLeft:
                                     return "Left alignment";
                                 case Text.AlignRight:
                                     return "Right alignment";
                                 case Text.AlignHCenter:
                                     return "Center alignment";
                                 case Text.AlignJustify:
                                     return "Justify alignment";
                                 }
                             }
                             color: "white"
                             font.pixelSize: 16
                             anchors.horizontalCenter: parent.horizontalCenter
                         }
                         Text {
                             text: "(click here to toggle)"
                             color: "white"
                             font.pixelSize: 10
                             font.italic: true
                             anchors.horizontalCenter: parent.horizontalCenter
                         }
                     }
                     MouseArea {
                         id: mouseArea2
                         property int index: 0
                         anchors.fill: parent
                         onClicked: {
                             if (index < 0) {
                                 root.horizontalAlignment = undefined;
                             } else {
                                 root.horizontalAlignment = Math.pow(2, index);
                             }
                             index = (index + 2) % 5 - 1;
                         }
                     }
                 }
             }
         }

         Component {
             id: plainTextComponent
             Text {
                 width: 180
                 text: root.text[index]
                 font.pixelSize: 24
                 wrapMode: Text.WordWrap
                 horizontalAlignment: root.horizontalAlignment
                 LayoutMirroring.enabled: root.mirror
                 textFormat: Text.RichText
                 Rectangle {
                     z: -1
                     color: Qt.rgba(0.8, 0.2, 0.2, 0.3)
                     anchors.fill: parent
                 }
                 Text {
                     text: root.description[index]
                     color: Qt.rgba(1,1,1,1.0)
                     anchors.centerIn: parent
                     Rectangle {
                         z: -1
                         color: Qt.rgba(0.3, 0, 0, 0.3)
                         anchors { fill: parent; margins: -3 }
                     }
                 }
                 Text {
                     color: "white"
                     text: shortText(parent.horizontalAlignment)
                     anchors { top: parent.top; right: parent.right; margins: 2 }
                 }
             }
         }

         Component {
             id: styledTextComponent
             Text {
                 width: 180
                 text: root.text[index]
                 font.pixelSize: 24
                 wrapMode: Text.WordWrap
                 horizontalAlignment: root.horizontalAlignment
                 LayoutMirroring.enabled: root.mirror
                 textFormat: Text.RichText
                 style: Text.Sunken
                 styleColor: "white"
                 Rectangle {
                     z: -1
                     color: Qt.rgba(0.8, 0.2, 0.2, 0.3)
                     anchors.fill: parent
                 }
                 Text {
                     text: root.description[index]
                     color: Qt.rgba(1,1,1,1.0)
                     anchors.centerIn: parent
                     Rectangle {
                         z: -1
                         color: Qt.rgba(0.3, 0, 0, 0.3)
                         anchors { fill: parent; margins: -3 }
                     }
                 }
                 Text {
                     color: "white"
                     text: shortText(parent.horizontalAlignment)
                     anchors { top: parent.top; right: parent.right; margins: 2 }
                 }
             }
         }

         Component {
             id: richTextComponent
             Text {
                 width: 180
                 text: root.text[index]
                 font.pixelSize: 24
                 wrapMode: Text.WordWrap
                 horizontalAlignment: root.horizontalAlignment
                 LayoutMirroring.enabled: root.mirror
                 textFormat: Text.RichText
                 Rectangle {
                     z: -1
                     color: Qt.rgba(0.8, 0.2, 0.2, 0.3)
                     anchors.fill: parent
                 }
                 Text {
                     text: root.description[index]
                     color: Qt.rgba(1,1,1,1.0)
                     anchors.centerIn: parent
                     Rectangle {
                         z: -1
                         color: Qt.rgba(0.3, 0, 0, 0.3)
                         anchors { fill: parent; margins: -3 }
                     }
                 }
                 Text {
                     color: "white"
                     text: shortText(parent.horizontalAlignment)
                     anchors { top: parent.top; right: parent.right; margins: 2 }
                 }
             }
         }

         Component {
             id: italicRichTextComponent
             Text {
                 width: 180
                 text: "<i>" + root.text[index] + "</i>"
                 font.pixelSize: 24
                 wrapMode: Text.WordWrap
                 horizontalAlignment: root.horizontalAlignment
                 LayoutMirroring.enabled: root.mirror
                 textFormat: Text.RichText
                 property variant backgroundColor: Qt.rgba(0.8, 0.2, 0.2, 0.3)
                 Rectangle {
                     z: -1
                     color: parent.backgroundColor
                     anchors.fill: parent
                 }
                 Text {
                     text: root.description[index]
                     color: Qt.rgba(1,1,1,1.0)
                     anchors.centerIn: parent
                     Rectangle {
                         z: -1
                         color: Qt.rgba(0.3, 0, 0, 0.3)
                         anchors { fill: parent; margins: -3 }
                     }
                 }
                 Text {
                     color: "white"
                     text: shortText(parent.horizontalAlignment)
                     anchors { top: parent.top; right: parent.right; margins: 2 }
                 }
             }
         }

         Component {
             id: plainTextEdit
             TextEdit {
                 width: 180
                 text: root.text[index]
                 font.pixelSize: 24
                 cursorVisible: true
                 wrapMode: TextEdit.WordWrap
                 horizontalAlignment: root.horizontalAlignment
                 LayoutMirroring.enabled: root.mirror
                 Rectangle {
                     z: -1
                     color: Qt.rgba(0.5, 0.5, 0.2, 0.3)
                     anchors.fill: parent
                 }
                 Text {
                     text: root.description[index]
                     color: Qt.rgba(1,1,1,1.0)
                     anchors.centerIn: parent
                     Rectangle {
                         z: -1
                         color: Qt.rgba(0.3, 0, 0, 0.3)
                         anchors { fill: parent; margins: -3 }
                     }
                 }
                 Text {
                     color: "white"
                     text: shortText(parent.horizontalAlignment)
                     anchors { top: parent.top; right: parent.right; margins: 2 }
                 }
             }
         }

         Component {
             id: italicTextEdit
             TextEdit {
                 width: 180
                 text: "<i>" + root.text[index] + "<i>"
                 font.pixelSize: 24
                 cursorVisible: true
                 wrapMode: TextEdit.WordWrap
                 horizontalAlignment: root.horizontalAlignment
                 LayoutMirroring.enabled: root.mirror
                 Rectangle {
                     z: -1
                     color: Qt.rgba(0.5, 0.5, 0.2, 0.3)
                     anchors.fill: parent
                 }
                 Text {
                     text: root.description[index]
                     color: Qt.rgba(1,1,1,1.0)
                     anchors.centerIn: parent
                     Rectangle {
                         z: -1
                         color: Qt.rgba(0.3, 0, 0, 0.3)
                         anchors { fill: parent; margins: -3 }
                     }
                 }
                 Text {
                     color: "white"
                     text: shortText(parent.horizontalAlignment)
                     anchors { top: parent.top; right: parent.right; margins: 2 }
                 }
             }
         }

         Component {
             id: textInput
             Item {
                 width: 180
                 height: textInput.text.length > 20 ? 3*textInput.height : textInput.height
                 TextInput {
                     id: textInput
                     width: 180
                     text: root.text[index]
                     font.pixelSize: 24
                     cursorVisible: true
                     horizontalAlignment: root.horizontalAlignment
                     LayoutMirroring.enabled: root.mirror
                     Rectangle {
                         z: -1
                         color: Qt.rgba(0.6, 0.4, 0.2, 0.3)
                         anchors.fill: parent
                     }
                     Text {
                         text: root.description[index]
                         color: Qt.rgba(1,1,1,1.0)
                         anchors.centerIn: parent
                         Rectangle {
                             z: -1
                             color: Qt.rgba(0.3, 0, 0, 0.3)
                             anchors { fill: parent; margins: -3 }
                         }
                     }
                     Text {
                         color: "white"
                         text: shortText(parent.horizontalAlignment)
                         anchors { top: parent.top; right: parent.right; margins: 2 }
                     }
                 }
             }
         }
     }