A class for host control widget. More...

#include <HostControl.h>

Inheritance diagram for HostControl:

Public Member Functions
	HostControl ()
	Constructor. More...

void	append_slider (Glib::ustring lbl, double min=-1, double max=+1, double val=0)
	Append a slider. More...

void	update ()
	Update the widget appearance. More...

bool	get_values (float *buf, size_t len)
	Get the values of the sliders. More...

Protected Attributes
Gtk::Grid	grid
	Gtk::Grid object for the sliders. More...

std::vector< Slider * >	sliders
	Vector of pointers to Slider object. More...

Private Attributes
unsigned int	nanVal = NAN_VAL
	NaN variable, see NAN_VAL. More...

Detailed Description

A class for host control widget.

Class for host control widget extending the Gtk::Frame class, used in SBBHostApp.

See also: SBBHostApp

Author: Stefano Lovato

Date: 2022

Constructor & Destructor Documentation

◆ HostControl()

HostControl::HostControl ( )

Constructor.

Default constructor.

Member Function Documentation

◆ append_slider()

void HostControl::append_slider	(	Glib::ustring	lbl,
		double	min = `-1`,
		double	max = `+1`,
		double	val = `0`
	)

Append a slider.

Function to append a slider. Does not update the widget.

Parameters

lbl	The label of the slider.
min	The minimum value of the slider.
max	The maximum value of the slider.
val	The default value of the slider.

◆ get_values()

bool HostControl::get_values	(	float *	buf,
		size_t	len
	)

Get the values of the sliders.

Function to get the values of the sliders. Values of sliders not active are set to NaN, see NAN_VAL.

Parameters

buf	Pointer to buffer of floats where store the values.
len	Size of the buffer.

Returns: true if one or more values has been set.

◆ update()

void HostControl::update ( )

Update the widget appearance.

Function to update the widget appearance after having added sliders.

Member Data Documentation

◆ grid

Gtk::Grid HostControl::grid

protected

Gtk::Grid object for the sliders.

◆ nanVal

unsigned int HostControl::nanVal = NAN_VAL

private

NaN variable, see NAN_VAL.

◆ sliders

std::vector<Slider*> HostControl::sliders