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SpectrumSettingsView

Namespace: DISPLIB  ·  Library: Display Library

#include <disp/spectrumsettingsview.h>

class DISPLIB::SpectrumSettingsView

Lower / upper-bound frequency sliders for the FFT spectrum viewer.

Two QSliders emit lowerFreqChanged / upperFreqChanged so the connected SpectrumView can crop the displayed frequency axis.

Inheritance​

Public Methods​

SpectrumSettingsView(sSettingsPath, parent, f)​

Constructs a SpectrumSettingsView which is a child of parent.

Parameters:

  • sSettingsPath : const QString & Settings path under which the widget persists its state (empty = no persistence).

  • parent : *QWidget ** parent of widget.

  • f : Qt::WindowFlags Qt window flags passed to the QWidget constructor.

~SpectrumSettingsView()​

Destroys the SpectrumSettingsView.

updateValue(value)​

Update slider value.

Parameters:

  • value : qint32 slider value.

saveSettings()​

Saves all important settings of this view via QSettings.

loadSettings()​

Loads and inits all important settings of this view via QSettings.

setBoundaries(fSFreq, fLowerBound, fUpperBound)​

Sets the sampling frequency as well as boundaries and configure the GUI elements accordingly.

Parameters:

  • fSFreq : float The sampling frequency.

  • fLowerBound : float The lower bound of the spectrum.

  • fUpperBound : float The upper bound of the spectrum.

getLowerBound()​

Returns the lower bound.

Returns:

  • float — Returns the lower bound as a float.

getUpperBound()​

Returns the upper bound.

Returns:

  • float — Returns the upper bound as a float.

clearView()​

Clears the view.

Authors of this file​