hi::v1::async_delegate Class Reference

#include <hikogui/widgets/async_delegate.hpp>

Inheritance diagram for hi::v1::async_delegate:

Public Member Functions
virtual void	init (widget_intf const &sender) noexcept
virtual void	deinit (widget_intf const &sender) noexcept
virtual void	activate (widget_intf const &sender) noexcept
	Called when the button is pressed by the user.
virtual cancel_features_type	features () const noexcept
	Used by the widget to determine if it can stop.
virtual widget_value	state (widget_intf const &sender) const noexcept
	Used by the widget to check the state of the button.
template<forward_of< void()> Func>
callback< void()>	subscribe (Func &&func, callback_flags flags=callback_flags::synchronous) noexcept
	Subscribe a callback for notifying the widget of a data change.

Detailed Description

A button delegate controls the state of a button widget.

Member Function Documentation

activate()

virtual void hi::v1::async_delegate::activate ( widget_intf const & sender )

inlinevirtualnoexcept

Called when the button is pressed by the user.

features()

virtual cancel_features_type hi::v1::async_delegate::features ( ) const

inlinevirtualnoexcept

Used by the widget to determine if it can stop.

state()

virtual widget_value hi::v1::async_delegate::state ( widget_intf const & sender ) const

inlinevirtualnoexcept

Used by the widget to check the state of the button.

subscribe()

template<forward_of< void()> Func>

callback< void()> hi::v1::async_delegate::subscribe ( Func && func, callback_flags flags = callback_flags::synchronous )

inlinenoexcept

Subscribe a callback for notifying the widget of a data change.

---

The documentation for this class was generated from the following file:

• hikogui/src/hikogui/widgets/async_delegate.hpp