92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
/*
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* Copyright (c) 2011, 2012, 2013, 2014, 2015, 2016 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* textterminal.h
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* Translates a character stream to a 2 dimensional array of characters.
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*/
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#ifndef SORTIX_TEXTTERMINAL_H
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#define SORTIX_TEXTTERMINAL_H
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#include <wchar.h>
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#include <sortix/kernel/kthread.h>
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#include <sortix/kernel/refcount.h>
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namespace Sortix {
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class TextBufferHandle;
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class TextTerminal
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{
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public:
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TextTerminal(TextBufferHandle* textbufhandle);
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~TextTerminal();
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size_t Print(const char* string, size_t stringlen);
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size_t PrintRaw(const char* string, size_t stringlen);
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size_t Width();
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size_t Height();
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void GetCursor(size_t* column, size_t* row);
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bool Sync();
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bool Invalidate();
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void BeginReplace();
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void CancelReplace();
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void FinishReplace(TextBuffer* textbuf);
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bool EmergencyIsImpaired();
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bool EmergencyRecoup();
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void EmergencyReset();
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size_t EmergencyPrint(const char* string, size_t stringlen);
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size_t EmergencyPrintRaw(const char* string, size_t stringlen);
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size_t EmergencyWidth();
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size_t EmergencyHeight();
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void EmergencyGetCursor(size_t* column, size_t* row);
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bool EmergencySync();
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private:
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void PutChar(TextBuffer* textbuf, char c);
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void UpdateCursor(TextBuffer* textbuf);
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void Newline(TextBuffer* textbuf);
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void Backspace(TextBuffer* textbuf);
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void Tab(TextBuffer* textbuf);
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void PutAnsiEscaped(TextBuffer* textbuf, char c);
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void RunAnsiCommand(TextBuffer* textbuf, char c);
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void AnsiReset();
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void Reset();
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private:
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mbstate_t ps;
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TextBufferHandle* textbufhandle;
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kthread_mutex_t termlock;
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uint16_t next_attr;
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uint32_t attr;
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uint32_t fgcolor;
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uint32_t bgcolor;
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uint8_t vgacolor;
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unsigned column;
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unsigned line;
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unsigned ansisavedposx;
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unsigned ansisavedposy;
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enum { NONE = 0, CSI, CHARSET, COMMAND, GREATERTHAN, } ansimode;
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static const size_t ANSI_NUM_PARAMS = 16;
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unsigned ansiusedparams;
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unsigned ansiparams[ANSI_NUM_PARAMS];
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bool ignoresequence;
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};
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} // namespace Sortix
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#endif
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