hi::v1::widget_delegate Struct Reference

Public Types
using	notifier_type = notifier<void()>
using	callback_type = notifier_type::callback_type

Public Member Functions
virtual void	init (widget_intf const &sender) noexcept
	This function is called when a widget takes ownership of a delegate.
virtual void	deinit (widget_intf const &sender) noexcept
	This function is called when a widget drops ownership of a delegate.
template<forward_of< void()> Func>
callback_type	subscribe (Func &&func, callback_flags flags=callback_flags::synchronous) noexcept
	Subscribe a callback for notifying the widget of a data change.

Data Fields
notifier_type	_notifier

Member Function Documentation

deinit()

virtual void hi::v1::widget_delegate::deinit ( widget_intf const & sender )

inlinevirtualnoexcept

This function is called when a widget drops ownership of a delegate.

init()

virtual void hi::v1::widget_delegate::init ( widget_intf const & sender )

inlinevirtualnoexcept

This function is called when a widget takes ownership of a delegate.

subscribe()

template<forward_of< void()> Func>

callback_type hi::v1::widget_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 struct was generated from the following file:

• hikogui/src/hikogui/widgets/widget_delegate.hpp