Qt 5.9 | Qt Virtual Keyboard | Qt Quick Virtual Keyboard - Basic Example | basic-b2qt.qml Example File

Qt 5.9.4 Reference Documentation

# basic-b2qt.qml Example File

basic/basic-b2qt.qml

      /****************************************************************************
      **
      ** Copyright (C) 2016 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
      **
      ** This file is part of the Qt Virtual Keyboard module of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:GPL$
      ** Commercial License Usage
      ** Licensees holding valid commercial Qt licenses may use this file in
      ** accordance with the commercial license agreement provided with the
      ** Software or, alternatively, in accordance with the terms contained in
      ** a written agreement between you and The Qt Company. For licensing terms
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      ** information use the contact form at https://www.qt.io/contact-us.
      **
      ** GNU General Public License Usage
      ** Alternatively, this file may be used under the terms of the GNU
      ** General Public License version 3 or (at your option) any later version
      ** approved by the KDE Free Qt Foundation. The licenses are as published by
      ** the Free Software Foundation and appearing in the file LICENSE.GPL3
      ** included in the packaging of this file. Please review the following
      ** information to ensure the GNU General Public License requirements will
      ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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      ****************************************************************************/

      import QtQuick 2.0
      import QtQuick.Window 2.2
      import QtQuick.VirtualKeyboard 2.2
      import QtQuick.VirtualKeyboard.Settings 2.2
      import "content"

      Item {
          width: 1280
          height: 720

          Item {
              id: appContainer
              width: Screen.width < Screen.height ? parent.height : parent.width
              height: Screen.width < Screen.height ? parent.width : parent.height
              anchors.centerIn: parent
              rotation: Screen.width < Screen.height ? 90 : 0
              Basic {
                  id: virtualKeyboard
                  anchors.left: parent.left
                  anchors.top: parent.top
                  anchors.right: parent.right
                  anchors.bottom: inputPanel.top
              }

              /*  Handwriting input panel for full screen handwriting input.

                  This component is an optional add-on for the InputPanel component, that
                  is, its use does not affect the operation of the InputPanel component,
                  but it also can not be used as a standalone component.

                  The handwriting input panel is positioned to cover the entire area of
                  application. The panel itself is transparent, but once it is active the
                  user can draw handwriting on it.
              */
              HandwritingInputPanel {
                  z: 79
                  id: handwritingInputPanel
                  anchors.fill: parent
                  inputPanel: inputPanel
                  Rectangle {
                      z: -1
                      anchors.fill: parent
                      color: "black"
                      opacity: 0.10
                  }
              }

              /*  Container area for the handwriting mode button.

                  Handwriting mode button can be moved freely within the container area.
                  In this example, a single click changes the handwriting mode and a
                  double-click changes the availability of the full screen handwriting input.
              */
              Item {
                  z: 99
                  visible: handwritingInputPanel.enabled && Qt.inputMethod.visible
                  anchors { left: parent.left; top: parent.top; right: parent.right; bottom: inputPanel.top; }
                  HandwritingModeButton {
                      id: handwritingModeButton
                      anchors.top: parent.top
                      anchors.right: parent.right
                      anchors.margins: 10
                      floating: true
                      flipable: true
                      width: 76
                      height: width
                      state: handwritingInputPanel.state
                      onClicked: handwritingInputPanel.active = !handwritingInputPanel.active
                      onDoubleClicked: handwritingInputPanel.available = !handwritingInputPanel.available
                  }
              }

              /*  Keyboard input panel.

                  The keyboard is anchored to the bottom of the application.
              */
              InputPanel {
                  id: inputPanel
                  z: 89
                  y: appContainer.height
                  anchors.left: parent.left
                  anchors.right: parent.right
                  states: State {
                      name: "visible"
                      /*  The visibility of the InputPanel can be bound to the Qt.inputMethod.visible property,
                          but then the handwriting input panel and the keyboard input panel can be visible
                          at the same time. Here the visibility is bound to InputPanel.active property instead,
                          which allows the handwriting panel to control the visibility when necessary.
                      */
                      when: inputPanel.active
                      PropertyChanges {
                          target: inputPanel
                          y: appContainer.height - inputPanel.height
                      }
                  }
                  transitions: Transition {
                      id: inputPanelTransition
                      from: ""
                      to: "visible"
                      reversible: true
                      enabled: !VirtualKeyboardSettings.fullScreenMode
                      ParallelAnimation {
                          NumberAnimation {
                              properties: "y"
                              duration: 250
                              easing.type: Easing.InOutQuad
                          }
                      }
                  }
                  Binding {
                      target: InputContext
                      property: "animating"
                      value: inputPanelTransition.running
                  }
                  AutoScroller {}
              }

              Binding {
                  target: VirtualKeyboardSettings
                  property: "fullScreenMode"
                  value: appContainer.height > 0 && (appContainer.width / appContainer.height) > (16.0 / 9.0)
              }
          }
      }