textalignment.qml Example File

righttoleft/textalignment/textalignment.qml

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  ** This file is part of the examples of the Qt Toolkit.
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  import QtQuick 2.0

  Rectangle {
      id: root
      color: "white"
      //width: containerColumn.width
      //height: containerColumn.height + containerColumn.anchors.topMargin
      width: 320
      height: 480

      property bool mirror: false
      property int pxSz: 18
      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!", "مرحبا العالم!", "Hello world! Hello!\nHello world! Hello!", "مرحبا العالم! مرحبا! مرحبا العالم! مرحبا!" ,"مرحبا العالم! مرحبا! مرحبا Hello world!\nالعالم! مرحبا!"]
      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 }
          ListView {
              width: 320
              height: 320
              id: editorTypeRow
              model: editorType.length
              orientation: ListView.Horizontal
              cacheBuffer: 1000//Load the really expensive ones async if possible
              delegate: 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: pxSz
              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
                  font.pixelSize: pxSz - 2
                  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: pxSz
              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
                  font.pixelSize: pxSz - 2
                  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: pxSz
              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
                  font.pixelSize: pxSz - 2
                  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: pxSz
              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
                  font.pixelSize: pxSz - 2
                  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: pxSz
              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
                  font.pixelSize: pxSz - 2
                  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: pxSz
              cursorVisible: true
              wrapMode: TextEdit.WordWrap
              textFormat: TextEdit.RichText
              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
                  font.pixelSize: pxSz - 2
                  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: pxSz
                  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
                      font.pixelSize: pxSz - 2
                      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 }
                  }
              }
          }
      }
  }