hi::v1::text_delegate Class Reference

#include <hikogui/widgets/text_delegate.hpp>

Inheritance diagram for hi::v1::text_delegate:

Public Types
using	notifier_type = notifier<>
using	callback_token = notifier_type::callback_token
using	callback_proto = notifier_type::callback_proto

Public Member Functions
virtual void	init (text_widget &sender) noexcept
virtual void	deinit (text_widget &sender) noexcept
virtual gstring	read (text_widget &sender) noexcept=0
	Read text as a string of graphemes.
virtual void	write (text_widget &sender, gstring const &text) noexcept=0
	Write text from a string of graphemes.
callback_token	subscribe (forward_of< callback_proto > auto &&callback, 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 ( text_widget & 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()

callback_token hi::v1::text_delegate::subscribe ( forward_of< callback_proto > auto && callback, 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 ( text_widget & 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 >.

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

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