/// <summary>
/// Initializes an instance of this class.
/// </summary>
/// <param name="viewModel">The viewmodel represented by this view.</param>
/// <param name="builder">The Gtk# builder used to build this view.</param>
/// <param name="handle">The handle of the main widget.</param>
private ScopeScreenView(IScopeScreenViewModel viewModel, Builder builder, IntPtr handle)
: base(handle)
{
_viewModel = viewModel;
builder.Autoconnect(this);
// === Create sub-views. ===
// === Register event handlers. ===
scopeDrawingArea.Drawn += ScopeDrawingArea_DrawnEventHandler;
// Raise motion events even if no button is pressed.
scopeEventBox.Events |= Gdk.EventMask.PointerMotionMask;
scopeEventBox.MotionNotifyEvent += ScopeEventBox_MotionNotifyEventHandler;
scopeEventBox.ButtonPressEvent += ScopeEventBox_ButtonPressEventHandler;
scopeEventBox.ButtonReleaseEvent += ScopeEventBox_ButtonReleaseEventHandler;
// === Create value converters. ===
// === Create bindings. ===
// === Do some additional stuff. ===
_scopeGraphics = new ScopeGraphics(ScopeStretchMode.Stretch,
_xMinimumGraticuleUnits, _yMinimumGraticuleUnits);
// Allow shrinking the drawing area completely.
scopeDrawingArea.HeightRequest = 0;
scopeDrawingArea.WidthRequest = 0;
InitializeGraphics();
RefreshData();
}
/// <summary>
/// Configures the main scope screen viewmodel.
/// </summary>
private void ConfigureMainScopeScreenVM(IScopeScreenViewModel scopeScreenVM,
IEnumerable <SampleSequence> sampleSequences)
{
// === Channels configuration ===
var timeScaleFactor = 1;
var channelVMs = new[]
{
new ChannelViewModel("V", new Position(0, 1), timeScaleFactor, 1,
BuildChannelCaptionFromIndex(0), _channelColors[0]),
new ChannelViewModel("V", new Position(0, -2), timeScaleFactor, 1,
BuildChannelCaptionFromIndex(1), _channelColors[1]),
};
var index = 0;
channelVMs[index].MeasurementCursor1VM.Visible = true;
channelVMs[index].MeasurementCursor2VM.Visible = true;
channelVMs[index].MeasurementCursor1VM.Value = 2.0;
channelVMs[index].MeasurementCursor2VM.Value = 3.0;
// index++;
// channelVMs[index].MeasurementCursor1VM.Visible = true;
// channelVMs[index].MeasurementCursor2VM.Visible = true;
// channelVMs[index].MeasurementCursor1VM.Value = -0.5;
// channelVMs[index].MeasurementCursor2VM.Value = 0.5;
scopeScreenVM.ChannelVMs = channelVMs;
// === Graphbase configuration ===
var graphbaseVM = new GraphbaseViewModel("s", 1, _baseColor);
var trigger = new LevelTrigger(LevelTriggerMode.RisingEdge, 0.5);
var triggerChannelIndex = 0;
graphbaseVM.TriggerVM =
new LevelTriggerViewModel(trigger, channelVMs[triggerChannelIndex]);
graphbaseVM.MeasurementCursor1VM.Visible = true;
graphbaseVM.MeasurementCursor2VM.Visible = true;
graphbaseVM.MeasurementCursor1VM.Value = 2.0;
graphbaseVM.MeasurementCursor2VM.Value = 3.0;
scopeScreenVM.GraphbaseVM = graphbaseVM;
// === Sample Sequences ===
var sampleSequenceProviders =
sampleSequences.Select(ss => new Func <SampleSequence>(() => ss));
var sampler = new Sampler(sampleSequenceProviders, trigger, triggerChannelIndex);
scopeScreenVM.SampleSequenceProviders = sampler.SampleSequenceProviders;
}
/// <summary>
/// Configures the FFT scope screen viewmodel.
/// </summary>
private void ConfigureFFTScopeScreenVM(IScopeScreenViewModel scopeScreenVM,
IEnumerable <SampleSequence> sampleSequences)
{
// === Channels configuration ===
var frequencyScaleFactor = 1;
var channelVMs = new[]
{
new ChannelViewModel("dB?", new Position(0, 1), frequencyScaleFactor, 0.5,
BuildChannelCaptionFromIndex(0), _channelColors[0]), //TODO Unit
new ChannelViewModel("dB?", new Position(0, -2), frequencyScaleFactor, 0.5,
BuildChannelCaptionFromIndex(1), _channelColors[1]), //TODO Unit
};
var index = 0;
channelVMs[index].MeasurementCursor1VM.Visible = true;
channelVMs[index].MeasurementCursor2VM.Visible = true;
channelVMs[index].MeasurementCursor1VM.Value = -0.5;
channelVMs[index].MeasurementCursor2VM.Value = 0.5;
// index++;
// channelVMs[index].MeasurementCursor1VM.Visible = true;
// channelVMs[index].MeasurementCursor2VM.Visible = true;
// channelVMs[index].MeasurementCursor1VM.Value = -0.5;
// channelVMs[index].MeasurementCursor2VM.Value = 0.5;
scopeScreenVM.ChannelVMs = channelVMs;
// === Graphbase configuration ===
var graphbaseVM = new GraphbaseViewModel("Hz", 0.2, _baseColor);
graphbaseVM.MeasurementCursor1VM.Visible = true;
graphbaseVM.MeasurementCursor2VM.Visible = true;
graphbaseVM.MeasurementCursor1VM.Value = 2.0;
graphbaseVM.MeasurementCursor2VM.Value = 3.0;
scopeScreenVM.GraphbaseVM = graphbaseVM;
// === Sample Sequences ===
var sampleSequenceProviders =
sampleSequences.Select(ss =>
{
var fftSamples = DoFourierTransform(ss);
return(new Func <SampleSequence>(() => fftSamples));
});
scopeScreenVM.SampleSequenceProviders = sampleSequenceProviders;
}
/// <summary>
/// Creates a new instance of this class.
/// </summary>
/// <param name="viewModel">The viewmodel represented by the instance created.</param>
public static ScopeScreenView Create(IScopeScreenViewModel viewModel)
{
var builder = new Builder(null, "ScopeScreenView.glade", null);
return(new ScopeScreenView(viewModel, builder, builder.GetObject("mainWidget").Handle));
}
