Qt 5.11 | Qt WebEngine | WebEngine Recipe Browser | main.qml Example File

Qt 5.11.3 Reference Documentation

# main.qml Example File

webengine/recipebrowser/resources/qml/main.qml

      /****************************************************************************
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      ** This file is part of the examples of the Qt Toolkit.
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      import QtQml 2.0
      import QtQuick 2.0
      import QtQuick.Controls 2.0
      import QtQuick.Controls.Material 2.0
      import QtQuick.Layouts 1.0
      import QtQuick.Window 2.0
      import QtWebEngine 1.4

      ApplicationWindow {
          id: appWindow
          title: qsTr("Recipe Browser")
          visible: true

          property int shorterDesktop: 768
          property int longerDesktop: 1024
          property int shorterMin: 360
          property int longerMin: 480
          property bool isPortrait: Screen.primaryOrientation === Qt.PortraitOrientation
          width: {
              if (isEmbedded)
                  return Screen.width
              var potentialWidth = shorterDesktop
              if (!isPortrait)
                  potentialWidth = longerDesktop
              return potentialWidth > Screen.width ? Screen.width : potentialWidth
          }
          height: {
              if (isEmbedded)
                  return Screen.height
              var potentialHeight = longerDesktop
              if (!isPortrait)
                  potentialHeight = shorterDesktop
              return potentialHeight > Screen.height ? Screen.height : potentialHeight
          }
          minimumWidth: isPortrait ? shorterMin : longerMin
          minimumHeight: isPortrait ? longerMin : shorterMin

          RowLayout {
              id: container
              anchors.fill: parent
              spacing: 0

              RecipeList {
                  id: recipeList
                  Layout.minimumWidth: 124
                  Layout.preferredWidth: parent.width / 3
                  Layout.maximumWidth: 300
                  Layout.fillWidth: true
                  Layout.fillHeight: true
                  focus: true
                  KeyNavigation.tab: webView
                  onRecipeSelected: function(url) {
                      webView.showRecipe(url)
                  }
              }

              WebEngineView {
                  id: webView
                  Layout.preferredWidth: 2 * parent.width / 3
                  Layout.fillWidth: true
                  Layout.fillHeight: true
                  KeyNavigation.tab: recipeList
                  KeyNavigation.priority: KeyNavigation.BeforeItem
                  // Make sure focus is not taken by the web view, so user can continue navigating
                  // recipes with the keyboard.
                  settings.focusOnNavigationEnabled: false

                  onContextMenuRequested: function(request) {
                      request.accepted = true
                  }

                  property bool firstLoadComplete: false
                  onLoadingChanged: function(loadRequest) {
                      if (loadRequest.status === WebEngineView.LoadSucceededStatus
                          && !firstLoadComplete) {
                          // Debounce the showing of the web content, so images are more likely
                          // to have loaded completely.
                          showTimer.start()
                      }
                  }

                  Timer {
                      id: showTimer
                      interval: 500
                      repeat: false
                      onTriggered: {
                          webView.show(true)
                          webView.firstLoadComplete = true
                          recipeList.showHelp()
                      }
                  }

                  Rectangle {
                      id: webViewPlaceholder
                      anchors.fill: parent
                      z: 1
                      color: "white"

                      BusyIndicator {
                          id: busy
                          anchors.centerIn: parent
                      }
                  }

                  function showRecipe(url) {
                      webView.url = url
                  }

                  function show(show) {
                      if (show === true) {
                          busy.running = false
                          webViewPlaceholder.visible = false
                      } else {
                          webViewPlaceholder.visible = true
                          busy.running = true
                      }
                  }
              }
          }
      }