Qt 5.9 | Qt Charts | Qml Oscilloscope | main.qml Example File

Qt 5.9.3 Reference Documentation

# main.qml Example File

qmloscilloscope/qml/qmloscilloscope/main.qml

      /****************************************************************************
      **
      ** Copyright (C) 2016 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
      **
      ** This file is part of the Qt Charts 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
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      **
      ** 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
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      import QtQuick 2.0

      Item {
          id: main
          width: 600
          height: 400

          ControlPanel {
              id: controlPanel
              anchors.top: parent.top
              anchors.topMargin: 10
              anchors.bottom: parent.bottom
              anchors.left: parent.left
              anchors.leftMargin: 10

              onSignalSourceChanged: {
                  if (source == "sin")
                      dataSource.generateData(0, signalCount, sampleCount);
                  else
                      dataSource.generateData(1, signalCount, sampleCount);
                  scopeView.axisX().max = sampleCount;
              }
              onSeriesTypeChanged: scopeView.changeSeriesType(type);
              onRefreshRateChanged: scopeView.changeRefreshRate(rate);
              onAntialiasingEnabled: scopeView.antialiasing = enabled;
              onOpenGlChanged: {
                  scopeView.openGL = enabled;
              }
          }

          ScopeView {
              id: scopeView
              anchors.top: parent.top
              anchors.bottom: parent.bottom
              anchors.right: parent.right
              anchors.left: controlPanel.right
              height: main.height

              onOpenGLSupportedChanged: {
                  if (!openGLSupported) {
                      controlPanel.openGLButton.enabled = false
                      controlPanel.openGLButton.currentSelection = 0
                  }
              }
          }

      }