main.qml Example File | OpenGL Runtime 2.7.0

OpenGL Runtime | OpenGL Runtime | Qt 3D Studio Runtime: Simple QML Example | main.qml Example File

Qt 3D Studio OpenGL Runtime 2.7 Manual

# main.qml Example File

simpleqml/main.qml

      /****************************************************************************
      **
      ** Copyright (C) 2019 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
      **
      ** This file is part of Qt 3D Studio.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** 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 2.0
      import QtStudio3D.OpenGL 2.4
      import QtQuick.Window 2.3
      import QtQuick.Controls 2.2
      import QtQuick.Layouts 1.3
      import QtQuick.Dialogs 1.3

      Rectangle {
          id: root
          color: "lightGray"

          MessageDialog {
              id: errorDialog
          }

          Studio3D {
              id: s3d
              focus: true
              anchors.margins: 60
              anchors.fill: parent
              property string textValue: "hello world"

              ViewerSettings {
                  id: viewerSettings
              }

              Presentation {
                  id: s3dpres
                  source: "qrc:/presentation/barrel.uia"
                  onCustomSignalEmitted: customSignalName.text = Date.now() + ": " + name
                  onSlideEntered: slideEnter.text = "Entered slide " + name + "(index " + index + ") on " + elementPath
                  onSlideExited: slideExit.text = "Exited slide " + name + "(index " + index + ") on " + elementPath

                  DataInput {
                      name: "di_text"
                      value: s3d.textValue
                  }

                  SceneElement {
                      id: sceneElementForScene
                      elementPath: "Scene" // could also refer to a Component node instead
                      onCurrentSlideIndexChanged: console.log("Current slide index for 'Scene': " + currentSlideIndex)
                      onCurrentSlideNameChanged: console.log("Current slide name for 'Scene': " + currentSlideName)
                  }

                  // Exercise Element a bit. This is no different from using the
                  // functions on Presentations, just avoids the need to specify the
                  // name/path repeatedly.
                  Element {
                      id: barrelRef
                      elementPath: "Barrel" // or Scene.Layer.Barrel but as long as it's unique the name's good enough
                  }
              }
              ignoredEvents: mouseEvCb.checked ? Studio3D.EnableAllEvents : (Studio3D.IgnoreMouseEvents | Studio3D.IgnoreWheelEvents)
              onRunningChanged: console.log("running: " + s3d.running)
              onPresentationReady: console.log("presentationReady")
              onErrorChanged: {
                  if (s3d.error !== "") {
                      errorDialog.text = s3d.error;
                      errorDialog.open();
                  }
              }

              property int frameCount: 0
              onFrameUpdate: frameCount += 1

              Timer {
                  running: true
                  repeat: true
                  interval: 1000
                  onTriggered: {
                      fpsCount.text = "~" + s3d.frameCount + " FPS";
                      s3d.frameCount = 0;
                  }
              }

              Timer {
                  interval: 2000
                  running: true
                  repeat: true
              }

              NumberAnimation on opacity {
                  id: opacityAnimation
                  from: 1
                  to: 0
                  duration: 5000
                  running: false
                  onStopped: s3d.opacity = 1
              }
          }

          Window {
              id: w
              visible: false
              width: 500
              height: 500
              Item {
                  id: wroot
                  anchors.fill: parent
              }
              title: "Second window"
          }

          RowLayout {
              Button {
                  text: "Move to other window"
                  onClicked: {
                      w.visible = true;
                      if (s3d.parent === wroot) s3d.parent = root; else s3d.parent = wroot;
                  }
                  focusPolicy: Qt.NoFocus
              }
              Button {
                  text: "Open barrel without background"
                  onClicked: s3dpres.source = "qrc:/presentation/barrel_no_background.uip"
                  focusPolicy: Qt.NoFocus
              }
              Button {
                  text: "Animate opacity"
                  onClicked: opacityAnimation.running = true
                  focusPolicy: Qt.NoFocus
              }
              Button {
                  text: "Reload"
                  onClicked: {
                      var src = s3dpres.source
                      s3dpres.source = ""
                      s3dpres.source = src
                  }
                  focusPolicy: Qt.NoFocus
              }
              Button {
                  text: "Open"
                  onClicked: openDialog.open()
                  focusPolicy: Qt.NoFocus
              }
              CheckBox {
                  id: mouseEvCb
                  text: "Let mouse events through"
                  checked: true
                  focusPolicy: Qt.NoFocus
              }
              Button {
                  text: "Toggle camera"
                  property bool eyeball: true
                  onClicked: {
                      eyeball = !eyeball
                      s3dpres.setAttribute("Scene.Layer.Camera", "eyeball", eyeball)
                  }
                  focusPolicy: Qt.NoFocus
              }
              Button {
                  text: "Send new data input value"
                  property int invocationCount: 0
                  onClicked: s3d.textValue = "Data input value " + (++invocationCount)
                  focusPolicy: Qt.NoFocus
              }
          }

          Text {
              id: fpsCount
              text: "0 FPS"
              anchors.bottom: parent.bottom
              anchors.left: parent.left
          }
          Text {
              id: customSignalName
              anchors.bottom: parent.bottom
              anchors.left: fpsCount.right
              anchors.leftMargin: 8
          }
          Text {
              id: slideEnter
              anchors.bottom: parent.bottom
              anchors.left: customSignalName.right
              anchors.leftMargin: 8
          }
          Text {
              id: slideExit
              anchors.bottom: parent.bottom
              anchors.left: slideEnter.right
              anchors.leftMargin: 8
          }
          Button {
              id: nextSlideByIndex
              text: "Next slide (via pres., wrap)"
              anchors.left: parent.left
              anchors.bottom: fpsCount.top
              onClicked: s3dpres.goToSlide("Scene", true, true)
              focusPolicy: Qt.NoFocus
          }
          Button {
              id: seekBtn
              text: "Seek to 5 seconds (via pres.)"
              anchors.left: nextSlideByIndex.right
              anchors.bottom: fpsCount.top
              onClicked: s3dpres.goToTime("Scene", 5)
              focusPolicy: Qt.NoFocus
          }
          Button {
              id: nextSlideViaSceneElement
              text: "Next slide (via SceneElement, no wrap)"
              anchors.left: seekBtn.right
              anchors.bottom: fpsCount.top
              onClicked: sceneElementForScene.currentSlideIndex += 1
              focusPolicy: Qt.NoFocus
          }
          Button {
              id: seekBtn2
              text: "Seek to 5 seconds (via SceneElement)"
              anchors.left: nextSlideViaSceneElement.right
              anchors.bottom: fpsCount.top
              onClicked: sceneElementForScene.goToTime(5)
              focusPolicy: Qt.NoFocus
          }

          Button {
              id: profTogBtn
              text: "Toggle render stats"
              anchors.right: parent.right
              anchors.bottom: parent.bottom
              focusPolicy: Qt.NoFocus
              onClicked: viewerSettings.showRenderStats = !viewerSettings.showRenderStats
          }
          Slider {
              id: profUiScale
              width: profTogBtn.width
              anchors.right: profTogBtn.left
              anchors.bottom: parent.bottom
              from: 50
              to: 400
              value: 100
              focusPolicy: Qt.NoFocus
          }

          FileDialog {
              id: openDialog
              nameFilters: ["UIP files (*.uip)", "UIA files (*.uia)", "All files (*)"]
              selectExisting: true
              selectFolder: false
              selectMultiple: false
              onAccepted: s3dpres.source = fileUrl
          }
      }