480 lines
17 KiB
C++
480 lines
17 KiB
C++
/***********************************************************************
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* fterm.h - Base class for terminal 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 2012-2019 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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* : 1▕▔▔▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FKeyboard ▏
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* : ▕▁▁▁▁▁▁▁▁▁▁▁▏
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* :
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* : 1▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* :- - - -▕ FMouseControl ▏
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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 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/fstring.h"
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namespace finalcut
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{
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// class forward declaration
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class FKeyboard;
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class FMouseControl;
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class FOptiAttr;
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class FOptiMove;
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class FSize;
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class FString;
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class FSystem;
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class FTermData;
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class FTermDebugData;
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class FTermDetection;
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class FTermXTerminal;
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#if defined(UNIT_TEST)
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class FTermLinux;
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class FTermFreeBSD;
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class FTermOpenBSD;
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#elif defined(__linux__)
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class FTermLinux;
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#elif defined(__FreeBSD__) || defined(__DragonFly__)
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class FTermFreeBSD;
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#elif defined(__NetBSD__) || defined(__OpenBSD__)
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class FTermOpenBSD;
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#endif
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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 final
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{
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public:
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struct initializationValues; // forward declaration
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// Constructor
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explicit FTerm (bool = false);
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// Disable copy constructor
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FTerm (const FTerm&) = delete;
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// Destructor
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virtual ~FTerm();
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// Disable assignment operator (=)
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FTerm& operator = (const FTerm&) = delete;
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// Accessors
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virtual const char* getClassName() const;
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static std::size_t getLineNumber();
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static std::size_t getColumnNumber();
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static const FString getKeyName (FKey);
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static int getTTYFileDescriptor();
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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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initializationValues& getInitValues();
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charSubstitution& getCharSubstitutionMap();
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static FTermData* getFTermData();
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static FSystem* getFSystem();
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static FOptiMove* getFOptiMove();
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static FOptiAttr* getFOptiAttr();
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static FTermDetection* getFTermDetection();
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static FTermXTerminal* getFTermXTerminal();
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static FKeyboard* getFKeyboard();
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static FMouseControl* getFMouseControl();
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#if defined(UNIT_TEST)
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static FTermLinux* getFTermLinux();
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static FTermFreeBSD* getFTermFreeBSD();
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static FTermOpenBSD* getFTermOpenBSD();
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#elif defined(__linux__)
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static FTermLinux* getFTermLinux();
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#elif defined(__FreeBSD__) || defined(__DragonFly__)
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static FTermFreeBSD* getFTermFreeBSD();
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#elif defined(__NetBSD__) || defined(__OpenBSD__)
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static FTermOpenBSD* getFTermOpenBSD();
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#endif
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#if DEBUG
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FTermDebugData& getFTermDebugData();
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#endif
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// Inquiries
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static bool isNormal (charData*&);
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static bool isRaw();
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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 isNewFont();
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static bool isCursorHideable();
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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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static bool canChangeColorPalette();
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// Mutators
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static void setFSystem (FSystem*);
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static void setTermType (const char[]);
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static void setInsertCursor (bool);
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static void redefineDefaultColors (bool);
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static void setDblclickInterval (const uInt64);
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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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// Methods
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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 (const FSize&);
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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 (FColor, 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 (wchar_t);
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static wchar_t charEncode (wchar_t);
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static wchar_t charEncode (wchar_t, fc::encoding);
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static wchar_t cp437_to_unicode (uChar);
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static uChar unicode_to_cp437 (wchar_t);
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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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static int putchar_ASCII (int);
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static int putchar_UTF8 (int);
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static void initScreenSettings();
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static char* changeAttribute ( charData*&
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, charData*& );
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static void changeTermSizeFinished();
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static void exitWithMessage (const FString&)
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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__) || defined(UNIT_TEST)
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meta_sends_escape = true;
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change_cursorstyle = true;
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#elif 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__) || defined(UNIT_TEST)
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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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#elif 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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// Methods
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static void init_global_values (bool);
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static void init_terminal_device_path();
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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_keyboard();
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static void init_termcap();
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static void init_quirks();
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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 void 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 bool hasNoFontSettingOption();
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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 enableApplicationEscKey();
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static void disableApplicationEscKey();
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static void enableKeypad();
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static void disableKeypad();
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static void enableAlternateCharset();
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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 (bool);
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void initOSspecifics();
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void initTermspecifics();
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void initBaudRate();
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void finish();
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void finishOSspecifics1();
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void finish_encoding();
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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 FTermData* data;
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static FSystem* fsys;
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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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static FKeyboard* keyboard;
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static FMouseControl* mouse;
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#if defined(UNIT_TEST)
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#undef linux
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static FTermLinux* linux;
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static FTermFreeBSD* freebsd;
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static FTermOpenBSD* openbsd;
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#elif defined(__linux__)
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#undef linux
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static FTermLinux* linux;
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#elif defined(__FreeBSD__) || defined(__DragonFly__)
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static FTermFreeBSD* freebsd;
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#elif defined(__NetBSD__) || defined(__OpenBSD__)
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static FTermOpenBSD* openbsd;
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#endif
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#if DEBUG
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static FTermDebugData* debug_data;
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#endif
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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 FTerm::initializationValues& FTerm::getInitValues()
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{ return init_values; }
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//----------------------------------------------------------------------
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inline void FTerm::setFSystem (FSystem* fsystem)
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{ fsys = fsystem; }
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//----------------------------------------------------------------------
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inline bool FTerm::setUTF8()
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{ return setUTF8(true); }
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//----------------------------------------------------------------------
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inline bool FTerm::unsetUTF8()
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{ return setUTF8(false); }
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} // namespace finalcut
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namespace
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{
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//----------------------------------------------------------------------
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inline std::ostream& operator << ( std::ostream& os
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, finalcut::fc::SpecialCharacter c )
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{
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return os << static_cast<char>(c);
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}
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//----------------------------------------------------------------------
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inline std::wostream& operator << ( std::wostream& os
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, finalcut::fc::SpecialCharacter c )
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{
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return os << static_cast<wchar_t>(c);
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}
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} // namespace
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#endif // FTERM_H
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