gallery.qml Example File

gallery/qml/gallery.qml

  /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the examples of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** 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
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/contact-us.
  **
  ** BSD License Usage
  ** Alternatively, 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
  ** 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 2.2
  import QtGraphicalEffects 1.0
  import QtQuick.Controls 1.4
  import QtQuick.Controls.Styles 1.4
  import QtQuick.Dialogs 1.0
  import QtQuick.Extras 1.4
  import QtQuick.Layouts 1.0
  import QtQuick.Window 2.1

  Window {
      id: root
      objectName: "window"
      visible: true
      width: 480
      height: 800

      color: "#161616"
      title: "Qt Quick Extras Demo"

      function toPixels(percentage) {
          return percentage * Math.min(root.width, root.height);
      }

      property bool isScreenPortrait: height > width
      property color lightFontColor: "#222"
      property color darkFontColor: "#e7e7e7"
      readonly property color lightBackgroundColor: "#cccccc"
      readonly property color darkBackgroundColor: "#161616"
      property real customizerPropertySpacing: 10
      property real colorPickerRowSpacing: 8

      Text {
          id: textSingleton
      }

      property Component circularGauge: CircularGaugeView {}

      property Component dial: ControlView {
          darkBackground: false

          control: Column {
              id: dialColumn
              width: controlBounds.width
              height: controlBounds.height - spacing
              spacing: root.toPixels(0.05)

              ColumnLayout {
                  id: volumeColumn
                  width: parent.width
                  height: (dialColumn.height - dialColumn.spacing) / 2
                  spacing: height * 0.025

                  Dial {
                      id: volumeDial
                      anchors.horizontalCenter: parent.horizontalCenter
                      Layout.fillWidth: true
                      Layout.fillHeight: true

                      /*!
                          Determines whether the dial animates its rotation to the new value when
                          a single click or touch is received on the dial.
                      */
                      property bool animate: customizerItem.animate

                      Behavior on value {
                          enabled: volumeDial.animate && !volumeDial.pressed
                          NumberAnimation {
                              duration: 300
                              easing.type: Easing.OutSine
                          }
                      }
                  }

                  ControlLabel {
                      id: volumeText
                      text: "Volume"
                      anchors.horizontalCenter: parent.horizontalCenter
                  }
              }

              ColumnLayout {
                  id: trebleColumn
                  width: parent.width
                  height: (dialColumn.height - dialColumn.spacing) / 2
                  spacing: height * 0.025

                  Dial {
                      id: dial2
                      anchors.horizontalCenter: parent.horizontalCenter
                      Layout.fillWidth: true
                      Layout.fillHeight: true

                      stepSize: 1
                      maximumValue: 10

                      style: DialStyle {
                          labelInset: outerRadius * 0
                      }
                  }

                  ControlLabel {
                      id: trebleText
                      text: "Treble"
                      anchors.horizontalCenter: parent.horizontalCenter
                  }
              }
          }

          customizer: Column {
              spacing: customizerPropertySpacing

              property alias animate: animateCheckBox.checked

              CustomizerLabel {
                  text: "Animate"
              }

              CustomizerSwitch {
                  id: animateCheckBox
              }
          }
      }

      property Component delayButton: ControlView {
          darkBackground: false

          control: DelayButton {
              text: "Alarm"
              anchors.centerIn: parent
          }
      }

      property Component gauge: ControlView {
          id: gaugeView
          control: Gauge {
              id: gauge
              width: orientation === Qt.Vertical ? implicitWidth : gaugeView.controlBounds.width
              height: orientation === Qt.Vertical ? gaugeView.controlBounds.height : implicitHeight
              anchors.centerIn: parent

              minimumValue: 0
              value: customizerItem.value
              maximumValue: 100
              orientation: customizerItem.orientationFlag ? Qt.Vertical : Qt.Horizontal
              tickmarkAlignment: orientation === Qt.Vertical
                  ? (customizerItem.alignFlag ? Qt.AlignLeft : Qt.AlignRight)
                  : (customizerItem.alignFlag ? Qt.AlignTop : Qt.AlignBottom)
          }

          customizer: Column {
              spacing: customizerPropertySpacing

              property alias value: valueSlider.value
              property alias orientationFlag: orientationCheckBox.checked
              property alias alignFlag: alignCheckBox.checked

              CustomizerLabel {
                  text: "Value"
              }

              CustomizerSlider {
                  id: valueSlider
                  minimumValue: 0
                  value: 50
                  maximumValue: 100
              }

              CustomizerLabel {
                  text: "Vertical orientation"
              }

              CustomizerSwitch {
                  id: orientationCheckBox
                  checked: true
              }

              CustomizerLabel {
                  text: controlItem.orientation === Qt.Vertical ? "Left align" : "Top align"
              }

              CustomizerSwitch {
                  id: alignCheckBox
                  checked: true
              }
          }
      }

      property Component toggleButton: ControlView {
          darkBackground: false

          control: ToggleButton {
              text: checked ? "On" : "Off"
              anchors.centerIn: parent
          }
      }

      property Component pieMenu: PieMenuControlView {}

      property Component statusIndicator: ControlView {
          id: statusIndicatorView
          darkBackground: false

          Timer {
              id: recordingFlashTimer
              running: true
              repeat: true
              interval: 1000
          }

          ColumnLayout {
              id: indicatorLayout
              width: statusIndicatorView.controlBounds.width * 0.25
              height: statusIndicatorView.controlBounds.height * 0.75
              anchors.centerIn: parent

              Repeater {
                  model: ListModel {
                      id: indicatorModel
                      ListElement {
                          name: "Power"
                          indicatorColor: "#35e02f"
                      }
                      ListElement {
                          name: "Recording"
                          indicatorColor: "red"
                      }
                  }

                  ColumnLayout {
                      Layout.preferredWidth: indicatorLayout.width
                      spacing: 0

                      StatusIndicator {
                          id: indicator
                          color: indicatorColor
                          Layout.preferredWidth: statusIndicatorView.controlBounds.width * 0.07
                          Layout.preferredHeight: Layout.preferredWidth
                          Layout.alignment: Qt.AlignHCenter
                          on: true

                          Connections {
                              target: recordingFlashTimer
                              onTriggered: if (name == "Recording") indicator.active = !indicator.active
                          }
                      }
                      ControlLabel {
                          id: indicatorLabel
                          text: name
                          Layout.alignment: Qt.AlignHCenter
                          Layout.maximumWidth: parent.width
                          horizontalAlignment: Text.AlignHCenter
                      }
                  }
              }
          }
      }

      property Component tumbler: ControlView {
          id: tumblerView
          darkBackground: false

          Tumbler {
              id: tumbler
              anchors.centerIn: parent

              // TODO: Use FontMetrics with 5.4
              Label {
                  id: characterMetrics
                  font.bold: true
                  font.pixelSize: textSingleton.font.pixelSize * 1.25
                  font.family: openSans.name
                  visible: false
                  text: "M"
              }

              readonly property real delegateTextMargins: characterMetrics.width * 1.5
              readonly property var days: [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]

              TumblerColumn {
                  id: tumblerDayColumn

                  function updateModel() {
                      var previousIndex = tumblerDayColumn.currentIndex;
                      var newDays = tumbler.days[monthColumn.currentIndex];

                      if (!model) {
                          var array = [];
                          for (var i = 0; i < newDays; ++i) {
                              array.push(i + 1);
                          }
                          model = array;
                      } else {
                          // If we've already got days in the model, just add or remove
                          // the minimum amount necessary to make spinning the month column fast.
                          var difference = model.length - newDays;
                          if (model.length > newDays) {
                              model.splice(model.length - 1, difference);
                          } else {
                              var lastDay = model[model.length - 1];
                              for (i = lastDay; i < lastDay + difference; ++i) {
                                  model.push(i + 1);
                              }
                          }
                      }

                      tumbler.setCurrentIndexAt(0, Math.min(newDays - 1, previousIndex));
                  }
              }
              TumblerColumn {
                  id: monthColumn
                  width: characterMetrics.width * 3 + tumbler.delegateTextMargins
                  model: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
                  onCurrentIndexChanged: tumblerDayColumn.updateModel()
              }
              TumblerColumn {
                  width: characterMetrics.width * 4 + tumbler.delegateTextMargins
                  model: ListModel {
                      Component.onCompleted: {
                          for (var i = 2000; i < 2100; ++i) {
                              append({value: i.toString()});
                          }
                      }
                  }
              }
          }
      }

      FontLoader {
          id: openSans
          source: "qrc:/fonts/OpenSans-Regular.ttf"
       }

      property var componentMap: {
          "CircularGauge": circularGauge,
          "DelayButton": delayButton,
          "Dial": dial,
          "Gauge": gauge,
          "PieMenu": pieMenu,
          "StatusIndicator": statusIndicator,
          "ToggleButton": toggleButton,
          "Tumbler": tumbler
      }

      StackView {
          id: stackView
          anchors.fill: parent

          initialItem: ListView {
              model: ListModel {
                  ListElement {
                      title: "CircularGauge"
                  }
                  ListElement {
                      title: "DelayButton"
                  }
                  ListElement {
                      title: "Dial"
                  }
                  ListElement {
                      title: "Gauge"
                  }
                  ListElement {
                      title: "PieMenu"
                  }
                  ListElement {
                      title: "StatusIndicator"
                  }
                  ListElement {
                      title: "ToggleButton"
                  }
                  ListElement {
                      title: "Tumbler"
                  }
              }

              delegate: Button {
                  width: stackView.width
                  height: root.height * 0.125
                  text: title

                  style: BlackButtonStyle {
                      fontColor: root.darkFontColor
                      rightAlignedIconSource: "qrc:/images/icon-go.png"
                  }

                  onClicked: {
                      if (stackView.depth == 1) {
                          // Only push the control view if we haven't already pushed it...
                          stackView.push({item: componentMap[title]});
                          stackView.currentItem.forceActiveFocus();
                      }
                  }
              }
          }
      }
  }