hi::v1::text_delegate Class Reference

#include <hikogui/widgets/text_delegate.hpp>

Inheritance diagram for hi::v1::text_delegate:

Public Member Functions
virtual void	init (widget_intf const &sender) noexcept
virtual void	deinit (widget_intf const &sender) noexcept
virtual gstring	read (widget_intf const &sender) noexcept=0
	Read text as a string of graphemes.
virtual void	write (widget_intf const &sender, gstring const &text) noexcept=0
	Write text from a string of graphemes.
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 delegate that controls the state of a text_widget.

Member Function Documentation

read()

virtual gstring hi::v1::text_delegate::read ( widget_intf const & sender )

pure virtualnoexcept

Read text as a string of graphemes.

Implemented in hi::v1::default_text_delegate< char const * >, hi::v1::default_text_delegate< std::string >, hi::v1::default_text_delegate< gstring >, and hi::v1::default_text_delegate< txt >.

subscribe()

template<forward_of< void()> Func>

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

inlinenoexcept

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

write()

virtual void hi::v1::text_delegate::write ( widget_intf const & sender, gstring const & text )

pure virtualnoexcept

Write text from a string of graphemes.

Implemented in hi::v1::default_text_delegate< char const * >, hi::v1::default_text_delegate< std::string >, hi::v1::default_text_delegate< gstring >, and hi::v1::default_text_delegate< txt >.

---

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

• hikogui/src/hikogui/widgets/text_delegate.hpp