OpenRCT2/src/openrct2-ui/TextComposition.h

53 lines
1.4 KiB
C++

/*****************************************************************************
* Copyright (c) 2014-2024 OpenRCT2 developers
*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#pragma once
#include <openrct2/Context.h>
#include <openrct2/common.h>
#include <openrct2/ui/UiContext.h>
union SDL_Event;
namespace OpenRCT2::Ui
{
/**
* Represents a
*/
class TextComposition
{
private:
TextInputSession _session = {};
bool _imeActive = false;
int32_t _imeStart = 0;
int32_t _imeLength = 0;
utf8 _imeBuffer[32] = {};
public:
bool IsActive();
TextInputSession* Start(u8string& buffer, size_t maxLength);
void Stop();
void HandleMessage(const SDL_Event* e);
private:
void CaretMoveToStart();
void CaretMoveToEnd();
void CaretMoveLeft();
void CaretMoveRight();
void CaretMoveToLeftToken();
void CaretMoveToRightToken();
void Insert(const utf8* text);
void InsertCodepoint(codepoint_t codepoint);
void Clear();
void Delete();
void RecalculateLength();
};
} // namespace OpenRCT2::Ui