Slider Class Reference

A class for slider with Gtk::Label, Gtk::SpinButton and Gtk::ToggleButton. More...

#include <HostControl.h>

Inheritance diagram for Slider:

Public Member Functions
	Slider (Glib::ustring str, double min, double max, double val)
	Constructor. More...
void	set_active (bool is_active=true)
	Enable/disable the slider. More...
bool	get_active ()
	Get the slider active. More...
double	get_value ()
	Get the slider value. More...

Protected Attributes
Gtk::Scale	scrollbar
	Gtk::Scale object for the scrollbar. More...
Gtk::ToggleButton	button
	Gtk::Button object for the enable button. More...
Gtk::Box	vbox
	Gtk::Box object for a vertical box. More...
Gtk::Box	hminbox
	Gtk::Box object for the horizontal box of the minimum value. More...
Gtk::Box	hmaxbox
	Gtk::Box object for the horizontal box of the maximum value. More...
Gtk::SpinButton	minEntry
	Gtk::SpinButton object for the minimum value entry. More...
Gtk::SpinButton	maxEntry
	Gtk::SpinButton object for the maximum value entry. More...
Gtk::Label	minLabel
	Gtk::Label object for the minimum value label. More...
Gtk::Label	maxLabel
	Gtk::Label object for the maximum value label. More...
Glib::RefPtr< Gtk::Adjustment >	p_adj
	Gtk::Adjustment pointer for the scrollbar. More...
Glib::RefPtr< Gtk::Adjustment >	p_minadj
	Gtk::Adjustment pointer for the minimum value entry. More...
Glib::RefPtr< Gtk::Adjustment >	p_maxadj
	Gtk::Adjustment pointer for the minimum value entry. More...

Private Member Functions
void	on_minadj_changed ()
	Callback of minimum value entry. More...
void	on_maxadj_changed ()
	Callback of maximum value entry. More...
void	on_enable_button_toggled ()
	Callback of enable button. More...

Detailed Description

A class for slider with Gtk::Label, Gtk::SpinButton and Gtk::ToggleButton.

Class for a slider with a Gtk::Label, Gtk::ToggleButton to enable the slider, and two Gtk::SpinButton for the minimum and maximum values, used in HostControl.

See also

HostControl

Author

Stefano Lovato

Date

2022

Constructor & Destructor Documentation

Slider()

Slider::Slider	(	Glib::ustring	str,
		double	min,
		double	max,
		double	val
	)

Constructor.

Default constructor.

Parameters

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

Member Function Documentation

get_active()

bool Slider::get_active

(

)

Get the slider active.

Function to get the slider state (active or not).

Returns

true if the slider is active, false otherwise.

get_value()

double Slider::get_value

(

)

Get the slider value.

Function to get the slider value.

Returns

The slider value.

on_enable_button_toggled()

void Slider::on_enable_button_toggled ( )

private

Callback of enable button.

Callback function of the enable button toggled to enable or disable the scrollbar and the minimum and maximum value entries.

on_maxadj_changed()

void Slider::on_maxadj_changed ( )

private

Callback of maximum value entry.

Callback function of the maximum-value entry changed to update the scrollbar maximum value.

on_minadj_changed()

void Slider::on_minadj_changed ( )

private

Callback of minimum value entry.

Callback function of the minimum-value entry changed to update the scrollbar minimum value.

set_active()

void Slider::set_active

(

bool

is_active = true

)

Enable/disable the slider.

Function to enable or disable the slider.

Parameters

is_active

The flag to enable or disable the slider.

Member Data Documentation

button

Gtk::ToggleButton Slider::button

protected

Gtk::Button object for the enable button.

hmaxbox

Gtk::Box Slider::hmaxbox

protected

Gtk::Box object for the horizontal box of the maximum value.

hminbox

Gtk::Box Slider::hminbox

protected

Gtk::Box object for the horizontal box of the minimum value.

maxEntry

Gtk::SpinButton Slider::maxEntry

protected

Gtk::SpinButton object for the maximum value entry.

maxLabel

Gtk::Label Slider::maxLabel

protected

Gtk::Label object for the maximum value label.

minEntry

Gtk::SpinButton Slider::minEntry

protected

Gtk::SpinButton object for the minimum value entry.

minLabel

Gtk::Label Slider::minLabel

protected

Gtk::Label object for the minimum value label.

p_adj

Glib::RefPtr<Gtk::Adjustment> Slider::p_adj

protected

Gtk::Adjustment pointer for the scrollbar.

p_maxadj

Glib::RefPtr<Gtk::Adjustment> Slider::p_maxadj

protected

Gtk::Adjustment pointer for the minimum value entry.

p_minadj

Glib::RefPtr<Gtk::Adjustment> Slider::p_minadj

protected

Gtk::Adjustment pointer for the minimum value entry.

scrollbar

Gtk::Scale Slider::scrollbar

protected

Gtk::Scale object for the scrollbar.

vbox

Gtk::Box Slider::vbox

protected

Gtk::Box object for a vertical box.