Qt 5.7 | Qt Charts | Qml Oscilloscope | ControlPanel.qml Example File

Qt 5.7.1 Reference Documentation

# ControlPanel.qml Example File

qmloscilloscope/qml/qmloscilloscope/ControlPanel.qml

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      ** Contact: https://www.qt.io/licensing/
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      ** This file is part of the Qt Charts module of the Qt Toolkit.
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      ** $QT_BEGIN_LICENSE:GPL$
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      import QtQuick 2.1
      import QtQuick.Layouts 1.0

      ColumnLayout {
          property alias openGLButton: openGLButton
          property alias antialiasButton: antialiasButton
          spacing: 8
          Layout.fillHeight: true
          signal animationsEnabled(bool enabled)
          signal seriesTypeChanged(string type)
          signal refreshRateChanged(variant rate);
          signal signalSourceChanged(string source, int signalCount, int sampleCount);
          signal antialiasingEnabled(bool enabled)
          signal openGlChanged(bool enabled)

          Text {
              text: "Scope"
              font.pointSize: 18
              color: "white"
          }

          MultiButton {
              id: openGLButton
              text: "OpenGL: "
              items: ["false", "true"]
              currentSelection: 1
              onSelectionChanged: openGlChanged(currentSelection == 1);
          }

          MultiButton {
              text: "Graph: "
              items: ["line", "scatter"]
              currentSelection: 0
              onSelectionChanged: seriesTypeChanged(items[currentSelection]);
          }

          MultiButton {
              id: signalSourceButton
              text: "Source: "
              items: ["sin", "linear"]
              currentSelection: 0
              onSelectionChanged: signalSourceChanged(
                                      selection,
                                      5,
                                      sampleCountButton.items[sampleCountButton.currentSelection]);
          }

          MultiButton {
              id: sampleCountButton
              text: "Samples: "
              items: ["6", "128", "1024", "10000"]
              currentSelection: 2
              onSelectionChanged: signalSourceChanged(
                                      signalSourceButton.items[signalSourceButton.currentSelection],
                                      5,
                                      selection);
          }

          MultiButton {
              text: "Refresh rate: "
              items: ["1", "24", "60"]
              currentSelection: 2
              onSelectionChanged: refreshRateChanged(items[currentSelection]);
          }

          MultiButton {
              id: antialiasButton
              text: "Antialias: "
              items: ["OFF", "ON"]
              enabled: false
              currentSelection: 0
              onSelectionChanged: antialiasingEnabled(currentSelection == 1);
          }
      }