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90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014, 2015.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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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 Width() const;
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size_t Height() const;
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void GetCursor(size_t* column, size_t* row) const;
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bool Sync();
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bool Invalidate();
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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 EmergencyWidth() const;
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size_t EmergencyHeight() const;
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void EmergencyGetCursor(size_t* column, size_t* row) const;
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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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mutable TextBufferHandle* textbufhandle;
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mutable kthread_mutex_t termlock;
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uint16_t next_attr;
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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, COMMAND, } 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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unsigned currentparamindex;
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bool paramundefined;
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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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