758 lines
27 KiB
C++
758 lines
27 KiB
C++
/***********************************************************************
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* fterm.h - Base class for terminal detection and control *
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2012-2018 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public License *
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* as published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* The Final Cut is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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/* Base class
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* ══════════
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*
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* ▕▔▔▔▔▔▔▔▏1 1▕▔▔▔▔▔▔▔▔▔▔▏
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* ▕ FTerm ▏-┬- - - -▕ FTermios ▏
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* ▕▁▁▁▁▁▁▁▏ : ▕▁▁▁▁▁▁▁▁▁▁▏
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* :
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* : 1▕▔▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FTermcap ▏
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* : ▕▁▁▁▁▁▁▁▁▁▁▏
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* :
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* : 1▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FTermcapQuirks ▏
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* : ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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* :
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* : 1▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FTermDetection ▏
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* : ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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* :
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* : 1▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FTermXTerminal ▏
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* : ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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* :
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* : 1▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FTermLinux ▏
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* : ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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* :
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* : 1▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FTermFreeBSD ▏
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* : ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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* :
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* : 1▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FTermOpenBSD ▏
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* : ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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* :
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* : 1▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FColorPalette ▏
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* : ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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* :
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* : 1▕▔▔▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FOptiAttr ▏
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* : ▕▁▁▁▁▁▁▁▁▁▁▁▏
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* :
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* : 1▕▔▔▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FOptiMove ▏
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* : ▕▁▁▁▁▁▁▁▁▁▁▁▏
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* :
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* : *▕▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FString ▏
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* : ▕▁▁▁▁▁▁▁▁▁▏
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* :
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* : *▕▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FPoint ▏
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* : ▕▁▁▁▁▁▁▁▁▏
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* :
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* : *▕▔▔▔▔▔▔▔▏
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* └- - - -▕ FRect ▏
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* ▕▁▁▁▁▁▁▁▏
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*/
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#ifndef FTERM_H
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#define FTERM_H
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#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
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#error "Only <final/final.h> can be included directly."
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#endif
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#include "final/fconfig.h"
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <langinfo.h>
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#if defined(__sun) && defined(__SVR4)
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#include <termio.h>
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typedef struct termio SGTTY;
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typedef struct termios SGTTYS;
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#ifdef _LP64
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typedef unsigned int chtype;
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#else
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typedef unsigned long chtype;
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#endif
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#include <term.h> // termcap
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#else
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#include <term.h> // termcap
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#endif
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#ifdef F_HAVE_LIBGPM
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#undef buttons // from term.h
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#endif
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#if F_HAVE_GETTTYNAM && F_HAVE_TTYENT_H
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#include <ttyent.h>
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#endif
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#include <clocale>
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#include <cmath>
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#include <csignal>
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#include <map>
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#include <queue>
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#include <string>
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#include "final/fc.h"
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#include "final/fcolorpalette.h"
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#include "final/fmouse.h"
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#include "final/fobject.h"
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#include "final/foptiattr.h"
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#include "final/foptimove.h"
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#include "final/fpoint.h"
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#include "final/frect.h"
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#include "final/fstring.h"
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#include "final/ftermcap.h"
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#include "final/ftermcapquirks.h"
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#include "final/ftermdetection.h"
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#if defined(__linux__)
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#include "final/ftermlinux.h"
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#endif
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#if defined(__FreeBSD__) || defined(__DragonFly__)
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#include "final/ftermfreebsd.h"
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#endif
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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#include "final/ftermopenbsd.h"
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#endif
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#include "final/ftermios.h"
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#include "final/ftermxterminal.h"
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//----------------------------------------------------------------------
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// class FTerm
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//----------------------------------------------------------------------
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#pragma pack(push)
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#pragma pack(1)
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class FTerm
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{
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public:
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// Typedefs
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typedef FOptiAttr::char_data char_data;
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// Constructor
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explicit FTerm (bool = false);
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// Destructor
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virtual ~FTerm();
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// Accessors
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virtual const char* getClassName() const;
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static termios getTTY();
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static int getTTYFileDescriptor();
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static int getLineNumber();
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static int getColumnNumber();
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static const FString getKeyName (int);
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static FMouseControl* getMouseControl();
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static char* getTermType();
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static char* getTermFileName();
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static int getTabstop();
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static int getMaxColor();
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#if DEBUG
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static const FString& getAnswerbackString();
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static const FString& getSecDAString();
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static const char* getTermType_256color();
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static const char* getTermType_Answerback();
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static const char* getTermType_SecDA();
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static int getFramebufferBpp();
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#endif
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// Inquiries
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static bool isCursorHidden();
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static bool isKeypressTimeout (timeval*);
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static bool isNormal (char_data*&);
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static bool isRaw();
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static bool hasPCcharset();
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static bool hasUTF8();
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static bool hasVT100();
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static bool hasASCII();
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static bool isMonochron();
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static bool isXTerminal();
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static bool isAnsiTerminal();
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static bool isRxvtTerminal();
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static bool isUrxvtTerminal();
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static bool isMltermTerminal();
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static bool isPuttyTerminal();
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static bool isKdeTerminal();
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static bool isGnomeTerminal();
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static bool isKtermTerminal();
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static bool isTeraTerm();
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static bool isSunTerminal();
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static bool isCygwinTerminal();
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static bool isMinttyTerm();
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static bool isLinuxTerm();
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static bool isFreeBSDTerm();
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static bool isNetBSDTerm();
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static bool isOpenBSDTerm();
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static bool isScreenTerm();
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static bool isTmuxTerm();
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static bool isInputDataPending();
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static bool isNewFont();
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static bool isUTF8();
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// Mutators
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static void setTermType (char[]);
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static void setInsertCursor (bool on);
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static void setInsertCursor();
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static void unsetInsertCursor();
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static bool setCursorOptimisation (bool);
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static void redefineDefaultColors (bool);
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static void setKeypressTimeout (const long);
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static void setDblclickInterval (const long);
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static void disableAltScreen();
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static bool setUTF8 (bool);
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static bool setUTF8();
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static bool unsetUTF8();
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static bool setNonBlockingInput (bool);
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static bool setNonBlockingInput();
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static bool unsetNonBlockingInput();
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// Methods
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static int parseKeyString (char[], int, timeval*);
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static int keyCorrection (const int&);
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static bool& unprocessedInput();
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static bool setVGAFont();
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static bool setNewFont();
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static bool setOldFont();
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static int openConsole();
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static int closeConsole();
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static char* moveCursor (int, int, int, int);
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static char* cursorsVisibility (bool);
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static void printMoveDurations();
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static char* enableCursor();
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static char* disableCursor();
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static void detectTermSize();
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static void setTermSize (int, int);
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static void setTermTitle(const FString&);
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static void setKDECursor (fc::kdeKonsoleCursorShape);
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static void saveColorMap();
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static void resetColorMap();
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static void setPalette (short, int, int, int);
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static void setBeep (int, int);
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static void resetBeep();
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static void beep();
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static void setEncoding (fc::encoding);
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static fc::encoding getEncoding();
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static std::string getEncodingString();
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static bool charEncodable (uInt);
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static uInt charEncode (uInt);
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static uInt charEncode (uInt, fc::encoding);
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static bool scrollTermForward();
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static bool scrollTermReverse();
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// function pointer -> static function
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static int (*Fputchar)(int);
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static void putstringf (const char[], ...)
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#if defined(__clang__)
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__attribute__((__format__ (__printf__, 1, 2)))
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#elif defined(__GNUC__)
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__attribute__ ((format (printf, 1, 2)))
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#endif
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;
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static void putstring (const char[], int = 1);
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#if defined(__sun) && defined(__SVR4)
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static int putchar_ASCII (register char);
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#endif
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static int putchar_ASCII (register int);
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static int putchar_UTF8 (register int);
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static int UTF8decode (const char[]);
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#if DEBUG
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static int framebuffer_bpp;
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#endif
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protected:
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// Inquiries
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static bool hasChangedTermSize();
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static bool hasShadowCharacter();
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static bool hasHalfBlockCharacter();
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static bool hasAlternateScreen();
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// Accessors
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static uInt getEraseCharLength();
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static uInt getRepeatCharLength();
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static uInt getClrBolLength();
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static uInt getClrEolLength();
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static uInt getCursorAddressLengths();
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// Methods
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static void initScreenSettings();
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static char* changeAttribute ( char_data*&
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, char_data*& );
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static void changeTermSizeFinished();
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static void exitWithMessage (std::string)
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#if defined(__clang__) || defined(__GNUC__)
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__attribute__((noreturn))
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#endif
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;
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// Data Members
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static struct initializationValues
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{
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public:
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void setDefault()
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{
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cursor_optimisation = true;
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mouse_support = true;
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terminal_detection = true;
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color_change = true;
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vgafont = false;
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newfont = false;
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encoding = fc::UNKNOWN;
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#if defined(__FreeBSD__) || defined(__DragonFly__)
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meta_sends_escape = true;
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change_cursorstyle = true;
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#endif
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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meta_sends_escape = true;
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#endif
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}
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uInt8 cursor_optimisation : 1;
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uInt8 mouse_support : 1;
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uInt8 terminal_detection : 1;
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uInt8 color_change : 1;
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uInt8 vgafont : 1;
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uInt8 newfont : 1;
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uInt8 : 2; // padding bits
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fc::encoding encoding;
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#if defined(__FreeBSD__) || defined(__DragonFly__)
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uInt8 meta_sends_escape : 1;
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uInt8 change_cursorstyle : 1;
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uInt8 : 6; // padding bits
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#endif
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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uInt8 meta_sends_escape : 1;
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uInt8 : 7; // padding bits
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#endif
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} init_values;
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private:
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// Typedefs
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typedef FTermcap::tcap_map termcap_map;
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// Constants
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static const int NEED_MORE_DATA = -1; // parseKeyString return value
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// Disable copy constructor
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FTerm (const FTerm&);
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// Disable assignment operator (=)
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FTerm& operator = (const FTerm&);
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// Methods
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static void init_global_values();
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static void oscPrefix();
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static void oscPostfix();
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static void init_alt_charset();
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static void init_pc_charset();
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static void init_cygwin_charmap();
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static void init_teraterm_charmap();
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static void init_fixed_max_color();
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static void init_termcap();
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static void init_termcap_error (int);
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static void init_termcap_variables(char*&);
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static void init_termcap_booleans();
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static void init_termcap_numerics();
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static void init_termcap_strings (char*&);
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static void init_termcap_keys (char*&);
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static void init_OptiMove();
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static void init_OptiAttr();
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static void init_font();
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static void init_locale();
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static void init_encoding();
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static void init_encoding_set();
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static void init_term_encoding();
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static void init_individual_term_encoding();
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static bool init_force_vt100_encoding();
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static void init_utf8_without_alt_charset();
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static void init_tab_quirks();
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static void init_captureFontAndTitle();
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static void redefineColorPalette();
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static void restoreColorPalette();
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static void setInsertCursorStyle();
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static void setOverwriteCursorStyle();
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static void enableMouse();
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static void disableMouse();
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static void useAlternateScreenBuffer();
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static void useNormalScreenBuffer();
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void allocationValues();
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void deallocationValues();
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void init();
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void initOSspecifics();
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void finish();
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void finishOSspecifics1();
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void finish_encoding();
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static uInt cp437_to_unicode (uChar);
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static int getMouseProtocolKey (char[]);
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static int getTermcapKey (char[], int);
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static int getMetaKey (char[], int, timeval*);
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static int getSingleKey (char[], int);
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static void setSignalHandler();
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static void resetSignalHandler();
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static void signal_handler (int);
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// Data Members
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static std::map <uChar,uChar>* vt100_alt_char;
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static std::map <std::string,fc::encoding>* encoding_set;
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static FTermcap::tcap_map* tcap;
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static fc::encoding term_encoding;
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static bool shadow_character;
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static bool half_block_character;
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static bool cursor_optimisation;
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static bool hidden_cursor;
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static bool use_alternate_screen;
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static bool input_data_pending;
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static bool non_blocking_stdin;
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static bool pc_charset_console;
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static bool utf8_input;
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static bool utf8_state;
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static bool utf8_console;
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static bool utf8_linux_terminal;
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static bool force_vt100;
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static bool vt100_console;
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static bool ascii_console;
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static bool NewFont;
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static bool VGAFont;
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static bool monochron;
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static char termtype[256];
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static char termfilename[256];
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static char exit_message[8192];
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static char* locale_name;
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static char* locale_xterm;
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static FRect* term; // current terminal geometry
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static int stdin_status_flags;
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static int fd_tty;
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static uInt baudrate;
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static uInt erase_char_length;
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static uInt repeat_char_length;
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static uInt clr_bol_length;
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static uInt clr_eol_length;
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static uInt cursor_address_lengths;
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static long key_timeout;
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static bool resize_term;
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static fc::linuxConsoleCursorStyle linux_console_cursor_style;
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static struct console_font_op screen_font;
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static struct unimapdesc screen_unicode_map;
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static FOptiMove* opti_move;
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static FOptiAttr* opti_attr;
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static FTermDetection* term_detection;
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static FTermXTerminal* xterm;
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#if defined(__linux__)
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#undef linux
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static FTermLinux* linux;
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#endif
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#if defined(__FreeBSD__) || defined(__DragonFly__)
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static FTermFreeBSD* freebsd;
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#endif
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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static FTermOpenBSD* openbsd;
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#endif
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static FMouseControl* mouse;
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static const FString* save_xterm_font;
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static const FString* save_xterm_title;
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};
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#pragma pack(pop)
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// FTerm inline functions
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//----------------------------------------------------------------------
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inline const char* FTerm::getClassName() const
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{ return "FTerm"; }
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//----------------------------------------------------------------------
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inline int FTerm::getTTYFileDescriptor()
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{ return fd_tty; }
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//----------------------------------------------------------------------
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inline char* FTerm::getTermType()
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{ return termtype; }
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//----------------------------------------------------------------------
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inline char* FTerm::getTermFileName()
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{ return termfilename; }
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//----------------------------------------------------------------------
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inline int FTerm::getTabstop()
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{ return FTermcap::tabstop; }
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//----------------------------------------------------------------------
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inline int FTerm::getMaxColor()
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{ return FTermcap::max_color; }
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#if DEBUG
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//----------------------------------------------------------------------
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inline const FString& FTerm::getAnswerbackString()
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{ return term_detection->getAnswerbackString(); }
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//----------------------------------------------------------------------
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inline const FString& FTerm::getSecDAString()
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{ return term_detection->getSecDAString(); }
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//----------------------------------------------------------------------
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inline const char* FTerm::getTermType_256color()
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{ return term_detection->getTermType_256color(); }
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//----------------------------------------------------------------------
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inline const char* FTerm::getTermType_Answerback()
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{ return term_detection->getTermType_Answerback(); }
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//----------------------------------------------------------------------
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inline const char* FTerm::getTermType_SecDA()
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{ return term_detection->getTermType_SecDA(); }
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//----------------------------------------------------------------------
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inline int FTerm::getFramebufferBpp()
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{ return framebuffer_bpp; }
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#endif
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//----------------------------------------------------------------------
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inline bool FTerm::isCursorHidden()
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{ return hidden_cursor; }
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//----------------------------------------------------------------------
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inline bool FTerm::isKeypressTimeout (timeval* time)
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{ return FObject::isTimeout (time, key_timeout); }
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//----------------------------------------------------------------------
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inline bool FTerm::hasPCcharset()
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{ return pc_charset_console; }
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//----------------------------------------------------------------------
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inline bool FTerm::hasUTF8()
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{ return utf8_console; }
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//----------------------------------------------------------------------
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inline bool FTerm::hasVT100()
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{ return vt100_console; }
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//----------------------------------------------------------------------
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inline bool FTerm::hasASCII()
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{ return ascii_console; }
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//----------------------------------------------------------------------
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inline bool FTerm::isMonochron()
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{ return monochron; }
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//----------------------------------------------------------------------
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inline bool FTerm::isXTerminal()
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{ return term_detection->isXTerminal(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isAnsiTerminal()
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{ return term_detection->isAnsiTerminal(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isRxvtTerminal()
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{ return term_detection->isRxvtTerminal(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isUrxvtTerminal()
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{ return term_detection->isUrxvtTerminal(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isMltermTerminal()
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{ return term_detection->isMltermTerminal(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isPuttyTerminal()
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{ return term_detection->isPuttyTerminal(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isKdeTerminal()
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{ return term_detection->isKdeTerminal(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isGnomeTerminal()
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{ return term_detection->isGnomeTerminal(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isKtermTerminal()
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{ return term_detection->isKtermTerminal(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isTeraTerm()
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{ return term_detection->isTeraTerm(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isSunTerminal()
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{ return term_detection->isSunTerminal(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isCygwinTerminal()
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{ return term_detection->isCygwinTerminal(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isMinttyTerm()
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{ return term_detection->isMinttyTerm(); }
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//----------------------------------------------------------------------
|
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inline bool FTerm::isLinuxTerm()
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{ return term_detection->isLinuxTerm(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isFreeBSDTerm()
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{ return term_detection->isFreeBSDTerm(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isNetBSDTerm()
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{ return term_detection->isNetBSDTerm(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isOpenBSDTerm()
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{ return term_detection->isOpenBSDTerm(); }
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//----------------------------------------------------------------------
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inline bool FTerm::isScreenTerm()
|
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{ return term_detection->isScreenTerm(); }
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//----------------------------------------------------------------------
|
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inline bool FTerm::isTmuxTerm()
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{ return term_detection->isTmuxTerm(); }
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//----------------------------------------------------------------------
|
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inline bool FTerm::isInputDataPending()
|
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{ return input_data_pending; }
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//----------------------------------------------------------------------
|
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inline bool FTerm::isNewFont()
|
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{ return NewFont; }
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//----------------------------------------------------------------------
|
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inline bool FTerm::isUTF8()
|
|
{ return utf8_state; }
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//----------------------------------------------------------------------
|
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inline void FTerm::setInsertCursor()
|
|
{ setInsertCursor(true); }
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|
|
//----------------------------------------------------------------------
|
|
inline void FTerm::unsetInsertCursor()
|
|
{ setInsertCursor(false); }
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|
|
//----------------------------------------------------------------------
|
|
inline bool FTerm::setCursorOptimisation (bool on)
|
|
{ return cursor_optimisation = ( on ) ? true : false; }
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|
|
|
//----------------------------------------------------------------------
|
|
inline void FTerm::setKeypressTimeout (const long timeout)
|
|
{ key_timeout = timeout; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline void FTerm::disableAltScreen()
|
|
{ use_alternate_screen = false; }
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|
|
|
//----------------------------------------------------------------------
|
|
inline bool FTerm::setUTF8()
|
|
{ return setUTF8(true); }
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|
|
|
//----------------------------------------------------------------------
|
|
inline bool FTerm::unsetUTF8()
|
|
{ return setUTF8(false); }
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|
|
|
//----------------------------------------------------------------------
|
|
inline bool FTerm::setNonBlockingInput()
|
|
{ return setNonBlockingInput(true); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FTerm::unsetNonBlockingInput()
|
|
{ return setNonBlockingInput(false); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FTerm::hasChangedTermSize()
|
|
{ return resize_term; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FTerm::hasShadowCharacter()
|
|
{ return shadow_character; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FTerm::hasHalfBlockCharacter()
|
|
{ return half_block_character; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FTerm::hasAlternateScreen()
|
|
{ return use_alternate_screen; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline uInt FTerm::getEraseCharLength()
|
|
{ return erase_char_length; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline uInt FTerm::getRepeatCharLength()
|
|
{ return repeat_char_length; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline uInt FTerm::getClrBolLength()
|
|
{ return clr_bol_length; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline uInt FTerm::getClrEolLength()
|
|
{ return clr_eol_length; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline uInt FTerm::getCursorAddressLengths()
|
|
{ return cursor_address_lengths; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline void FTerm::changeTermSizeFinished()
|
|
{ resize_term = false; }
|
|
|
|
|
|
#endif // FTERM_H
|