utility 2026.1.9
A comprehensive C++ utilities library tailored for the development of modern desktop and extended reality (XR) applications.
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text_editing_event.hpp
1/*
2 Copyright (c) 2026 ETIB Corporation
3
4 Permission is hereby granted, free of charge, to any person obtaining a copy of
5 this software and associated documentation files (the "Software"), to deal in
6 the Software without restriction, including without limitation the rights to
7 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
8 of the Software, and to permit persons to whom the Software is furnished to do
9 so, subject to the following conditions:
10
11 The above copyright notice and this permission notice shall be included in all
12 copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 SOFTWARE.
21 */
22
23#pragma once
24
25#include <memory>
26#include <string>
27
28#include "utility/event/event.hpp"
29
30namespace utility::event
31{
32
36 class TextEditingEvent: public Event
37 {
38 private:
39 std::string _text {};
40 int _start { 0 };
41 int _length { 0 };
42
43 public:
48 {
49 public:
50 ~Factory(void) override;
51
56 std::shared_ptr<Event> create(void) const override;
57
63 std::shared_ptr<TextEditingEvent> createTyped(void) const;
64 };
65
69 explicit TextEditingEvent(void);
70
74 ~TextEditingEvent(void) override;
75
81 TextEditingEvent &setText(const std::string &text);
82
87 std::string getText(void) const;
88
94 TextEditingEvent &setStart(const int start) noexcept;
95
100 int getStart(void) const noexcept;
101
107 TextEditingEvent &setLength(const int length) noexcept;
108
113 int getLength(void) const noexcept;
114 };
115
116} // namespace utility::event
Abstract factory interface for creating events.
Definition event.hpp:44
Base class for events in the event system.
Definition event.hpp:38
Factory for creating TextEditingEvent instances.
std::shared_ptr< Event > create(void) const override
Create a TextEditingEvent as a base Event pointer.
std::shared_ptr< TextEditingEvent > createTyped(void) const
Create a strongly-typed TextEditingEvent.
Text editing event for IME/dead-key preedit state.
TextEditingEvent & setLength(const int length) noexcept
Set selection length in preedit text.
~TextEditingEvent(void) override
Default destructor.
TextEditingEvent & setStart(const int start) noexcept
Set cursor start position in preedit text.
TextEditingEvent & setText(const std::string &text)
Set preedit UTF-8 text.
int getStart(void) const noexcept
Get cursor start position in preedit text.
std::string getText(void) const
Get preedit UTF-8 text.
int getLength(void) const noexcept
Get selection length in preedit text.
TextEditingEvent(void)
Default constructor.