finalcut/include/final/fterm.h

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/***********************************************************************
* fterm.h - Base class for terminal detection and control *
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2012-2018 Markus Gans *
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* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
* as published by the Free Software Foundation; either version 3 of *
* the License, or (at your option) any later version. *
* *
* The Final Cut is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
***********************************************************************/
/* Base class
*
*
* 1 1
* FTerm -- - - - FTermios
* :
* :
* : 1
* :- - - - FTermcap
* :
* :
* : 1
* :- - - - FTermcapQuirks
* :
* :
* : 1
* :- - - - FTermDetection
* :
* :
* : 1
* :- - - - FTermXTerminal
* :
* :
* : 1
* :- - - - FColorPalette
* :
* :
* : 1
* :- - - - FOptiAttr
* :
* :
* : 1
* :- - - - FOptiMove
* :
* :
* : *
* :- - - - FString
* :
* :
* : *
* :- - - - FPoint
* :
* :
* : *
* - - - - FRect
*
*/
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#ifndef FTERM_H
#define FTERM_H
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#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
#error "Only <final/final.h> can be included directly."
#endif
#include "final/fconfig.h"
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#if defined(__linux__)
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#include <linux/fb.h> // Linux framebuffer console
#if defined(__x86_64__) || defined(__i386) || defined(__arm__)
#include <sys/io.h> // <asm/io.h> is deprecated
#endif
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#include <sys/kd.h>
#endif
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#include <sys/ioctl.h>
#include <sys/stat.h>
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#include <fcntl.h>
#include <langinfo.h>
#if defined(__sun) && defined(__SVR4)
#include <termio.h>
typedef struct termio SGTTY;
typedef struct termios SGTTYS;
#ifdef _LP64
typedef unsigned int chtype;
#else
typedef unsigned long chtype;
#endif
#include <term.h> // termcap
#else
#include <term.h> // termcap
#endif
#ifdef F_HAVE_LIBGPM
#undef buttons // from term.h
#endif
#if F_HAVE_GETTTYNAM && F_HAVE_TTYENT_H
#include <ttyent.h>
#endif
#include <clocale>
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#include <cmath>
#include <csignal>
#include <map>
#include <queue>
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#include <string>
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#include "final/fc.h"
#include "final/fcolorpalette.h"
#include "final/fmouse.h"
#include "final/fobject.h"
#include "final/foptiattr.h"
#include "final/foptimove.h"
#include "final/fpoint.h"
#include "final/frect.h"
#include "final/fstring.h"
#include "final/ftermcap.h"
#include "final/ftermcapquirks.h"
#include "final/ftermdetection.h"
#if defined(__FreeBSD__) || defined(__DragonFly__)
#include "final/ftermfreebsd.h"
#endif
#if defined(__NetBSD__) || defined(__OpenBSD__)
#include "final/ftermopenbsd.h"
#endif
#include "final/ftermios.h"
#include "final/ftermxterminal.h"
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//----------------------------------------------------------------------
// class FTerm
//----------------------------------------------------------------------
#pragma pack(push)
#pragma pack(1)
class FTerm
{
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public:
// Typedefs
typedef FOptiAttr::char_data char_data;
#if defined(__linux__)
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static struct modifier_key // bit field
{
uChar shift : 1; // 0..1
uChar alt_gr : 1; // 0..1
uChar ctrl : 1; // 0..1
uChar alt : 1; // 0..1
uChar : 4; // padding bits
} mod_key;
#endif
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// Constructor
explicit FTerm (bool = false);
// Destructor
virtual ~FTerm();
// Accessors
virtual const char* getClassName() const;
static termios getTTY();
static int getLineNumber();
static int getColumnNumber();
static const FString getKeyName (int);
static FMouseControl* getMouseControl();
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#if defined(__linux__)
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static modifier_key& getLinuxModifierKey();
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#endif
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static char* getTermType();
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static char* getTermFileName();
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static int getTabstop();
static int getMaxColor();
#if defined(__linux__)
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static fc::linuxConsoleCursorStyle getLinuxConsoleCursorStyle();
#endif
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#if DEBUG
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static const FString& getAnswerbackString();
static const FString& getSecDAString();
static const char* getTermType_256color();
static const char* getTermType_Answerback();
static const char* getTermType_SecDA();
static int getFramebufferBpp();
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#endif
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// Inquiries
static bool isCursorHidden();
static bool isKeypressTimeout (timeval*);
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static bool isNormal (char_data*&);
static bool isRaw();
static bool hasPCcharset();
static bool hasUTF8();
static bool hasVT100();
static bool hasASCII();
static bool isMonochron();
static bool isXTerminal();
static bool isAnsiTerminal();
static bool isRxvtTerminal();
static bool isUrxvtTerminal();
static bool isMltermTerminal();
static bool isPuttyTerminal();
static bool isKdeTerminal();
static bool isGnomeTerminal();
static bool isKtermTerminal();
static bool isTeraTerm();
static bool isSunTerminal();
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static bool isCygwinTerminal();
static bool isMinttyTerm();
static bool isLinuxTerm();
static bool isFreeBSDTerm();
static bool isNetBSDTerm();
static bool isOpenBSDTerm();
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static bool isScreenTerm();
static bool isTmuxTerm();
static bool isInputDataPending();
static bool isNewFont();
static bool isUTF8();
// Mutators
static void setTermType (char[]);
static void setInsertCursor (bool on);
static void setInsertCursor();
static void unsetInsertCursor();
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static bool setCursorOptimisation (bool);
static void redefineDefaultColors (bool);
#if defined(__linux__)
static char* setLinuxConsoleCursorStyle \
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(fc::linuxConsoleCursorStyle, bool);
#endif
static void setKeypressTimeout (const long);
static void setDblclickInterval (const long);
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static void disableAltScreen();
static bool setUTF8 (bool);
static bool setUTF8();
static bool unsetUTF8();
static bool setNonBlockingInput (bool);
static bool setNonBlockingInput();
static bool unsetNonBlockingInput();
// Methods
static int parseKeyString (char[], int, timeval*);
static bool& unprocessedInput();
static bool setVGAFont();
static bool setNewFont();
static bool setOldFont();
static char* moveCursor (int, int, int, int);
static char* cursorsVisibility (bool);
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static void printMoveDurations();
static char* enableCursor();
static char* disableCursor();
static void detectTermSize();
static void setTermSize (int, int);
static void setTermTitle(const FString&);
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static void setKDECursor (fc::kdeKonsoleCursorShape);
static void saveColorMap();
static void resetColorMap();
static void setPalette (short, int, int, int);
static void setBeep (int, int);
static void resetBeep();
static void beep();
static void setEncoding (fc::encoding);
static fc::encoding getEncoding();
static std::string getEncodingString();
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static bool scrollTermForward();
static bool scrollTermReverse();
// function pointer -> static function
static int (*Fputchar)(int);
static void putstringf (const char[], ...)
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#if defined(__clang__)
__attribute__((__format__ (__printf__, 1, 2)))
#elif defined(__GNUC__)
__attribute__ ((format (printf, 1, 2)))
#endif
;
static void putstring (const char[], int = 1);
#if defined(__sun) && defined(__SVR4)
static int putchar_ASCII (register char);
#endif
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static int putchar_ASCII (register int);
static int putchar_UTF8 (register int);
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:
// Inquiries
static bool hasChangedTermSize();
static bool hasShadowCharacter();
static bool hasHalfBlockCharacter();
static bool hasAlternateScreen();
// Accessors
static uInt getEraseCharLength();
static uInt getRepeatCharLength();
static uInt getClrBolLength();
static uInt getClrEolLength();
static uInt getCursorAddressLengths();
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// Methods
static void initScreenSettings();
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static bool charEncodable (uInt);
static uInt charEncode (uInt);
static uInt charEncode (uInt, fc::encoding);
static char* changeAttribute ( char_data*&
, char_data*& );
static void changeTermSizeFinished();
static void exitWithMessage (std::string)
#if defined(__clang__) || defined(__GNUC__)
__attribute__((noreturn))
#endif
;
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// Data Members
static struct initializationValues
{
public:
void setDefault()
{
terminal_detection = true;
cursor_optimisation = true;
color_change = true;
vgafont = false;
newfont = false;
encoding = fc::UNKNOWN;
}
uInt8 terminal_detection : 1;
uInt8 cursor_optimisation : 1;
uInt8 color_change : 1;
uInt8 vgafont : 1;
uInt8 newfont : 1;
uInt8 : 3; // padding bits
fc::encoding encoding;
} init_values;
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private:
// Typedefs
typedef FTermcap::tcap_map termcap_map;
typedef struct
{
uChar red;
uChar green;
uChar blue;
} dacreg;
// Constants
static const int NEED_MORE_DATA = -1; // parseKeyString return value
// Disable copy constructor
FTerm (const FTerm&);
// Disable assignment operator (=)
FTerm& operator = (const FTerm&);
#if defined(__linux__)
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static int isLinuxConsole();
#endif
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// Methods
#if defined(__linux__)
#if defined(__x86_64__) || defined(__i386) || defined(__arm__)
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static uInt16 getInputStatusRegisterOne();
static uChar readAttributeController (uChar);
static void writeAttributeController (uChar, uChar);
static uChar getAttributeMode();
static void setAttributeMode (uChar);
static int setBlinkAsIntensity (bool);
#endif
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static int getFramebuffer_bpp();
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#endif
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static int openConsole();
static int closeConsole();
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#if defined(__linux__)
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static int getScreenFont();
static int setScreenFont ( uChar[], uInt, uInt, uInt
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, bool = false );
static int setUnicodeMap (struct unimapdesc*);
static int getUnicodeMap ();
static void initLinuxConsole();
static void initLinuxConsoleCharMap();
#endif
static void init_global_values();
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static void oscPrefix();
static void oscPostfix();
static void init_alt_charset();
static void init_pc_charset();
static void init_cygwin_charmap();
static void init_teraterm_charmap();
static void init_fixed_max_color();
static void init_termcap();
static void init_termcap_error (int);
static void init_termcap_variables(char*&);
static void init_termcap_booleans();
static void init_termcap_numerics();
static void init_termcap_strings (char*&);
static void init_termcap_keys (char*&);
static void init_OptiMove();
static void init_OptiAttr();
static void init_font();
static void init_locale();
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static void init_encoding();
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static void init_encoding_set();
static void init_term_encoding();
static void init_individual_term_encoding();
static bool init_force_vt100_encoding();
static void init_utf8_without_alt_charset();
static void init_tab_quirks();
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static void init_captureFontAndTitle();
static void redefineColorPalette();
static void restoreColorPalette();
static void setInsertCursorStyle();
static void setOverwriteCursorStyle();
static void enableMouse();
static void disableMouse();
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static void useAlternateScreenBuffer();
static void useNormalScreenBuffer();
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void allocationValues();
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();
void finishOSspecifics2();
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static uInt cp437_to_unicode (uChar);
static int getMouseProtocolKey (char[]);
static int getTermcapKey (char[], int);
static int getMetaKey (char[], int, timeval*);
static int getSingleKey (char[], int);
static void setSignalHandler();
static void resetSignalHandler();
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static void signal_handler (int);
// Data Members
static std::map <uChar,uChar>* vt100_alt_char;
static std::map <std::string,fc::encoding>* encoding_set;
static FTermcap::tcap_map* tcap;
static fc::encoding term_encoding;
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static bool shadow_character;
static bool half_block_character;
static bool cursor_optimisation;
static bool hidden_cursor;
static bool use_alternate_screen;
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static bool input_data_pending;
static bool non_blocking_stdin;
static bool pc_charset_console;
static bool utf8_input;
static bool utf8_state;
static bool utf8_console;
static bool utf8_linux_terminal;
static bool force_vt100;
static bool vt100_console;
static bool ascii_console;
static bool NewFont;
static bool VGAFont;
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static bool monochron;
static char termtype[256];
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static char termfilename[256];
static char exit_message[8192];
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static char* locale_name;
static char* locale_xterm;
static FRect* term; // current terminal geometry
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static int stdin_status_flags;
static int fd_tty;
static uInt baudrate;
static uInt erase_char_length;
static uInt repeat_char_length;
static uInt clr_bol_length;
static uInt clr_eol_length;
static uInt cursor_address_lengths;
static long key_timeout;
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static bool resize_term;
static fc::linuxConsoleCursorStyle linux_console_cursor_style;
static struct console_font_op screen_font;
static struct unimapdesc screen_unicode_map;
static FOptiMove* opti_move;
static FOptiAttr* opti_attr;
static FTermDetection* term_detection;
static FTermXTerminal* xterm;
#if defined(__FreeBSD__) || defined(__DragonFly__)
static FTermFreeBSD* freebsd;
#endif
#if defined(__NetBSD__) || defined(__OpenBSD__)
static FTermOpenBSD* openbsd;
#endif
static FMouseControl* mouse;
static const FString* save_xterm_font;
static const FString* save_xterm_title;
static struct colorEnv
{
void setDefault()
{
string1 = 0;
string2 = 0;
string3 = 0;
string4 = 0;
string5 = 0;
string6 = 0;
}
char* string1;
char* string2;
char* string3;
char* string4;
char* string5;
char* string6;
} color_env;
static struct secondaryDA
{
void setDefault()
{
terminal_id_type = -1;
terminal_id_version = -1;
terminal_id_hardware = -1;
}
int terminal_id_type;
int terminal_id_version;
int terminal_id_hardware;
} secondary_da;
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struct
{
dacreg d[16];
} color_map;
};
#pragma pack(pop)
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// FTerm inline functions
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//----------------------------------------------------------------------
inline const char* FTerm::getClassName() const
{ return "FTerm"; }
//----------------------------------------------------------------------
inline char* FTerm::getTermType()
{ return termtype; }
//----------------------------------------------------------------------
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inline char* FTerm::getTermFileName()
{ return termfilename; }
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//----------------------------------------------------------------------
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inline int FTerm::getTabstop()
{ return FTermcap::tabstop; }
//----------------------------------------------------------------------
inline int FTerm::getMaxColor()
{ return FTermcap::max_color; }
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#if DEBUG
//----------------------------------------------------------------------
inline const FString& FTerm::getAnswerbackString()
{ return term_detection->getAnswerbackString(); }
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//----------------------------------------------------------------------
inline const FString& FTerm::getSecDAString()
{ return term_detection->getSecDAString(); }
//----------------------------------------------------------------------
inline const char* FTerm::getTermType_256color()
{ return term_detection->getTermType_256color(); }
//----------------------------------------------------------------------
inline const char* FTerm::getTermType_Answerback()
{ return term_detection->getTermType_Answerback(); }
//----------------------------------------------------------------------
inline const char* FTerm::getTermType_SecDA()
{ return term_detection->getTermType_SecDA(); }
//----------------------------------------------------------------------
inline int FTerm::getFramebufferBpp()
{ return framebuffer_bpp; }
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#endif
//----------------------------------------------------------------------
inline bool FTerm::isCursorHidden()
{ return hidden_cursor; }
//----------------------------------------------------------------------
inline bool FTerm::isKeypressTimeout (timeval* time)
{ return FObject::isTimeout (time, key_timeout); }
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//----------------------------------------------------------------------
inline bool FTerm::hasPCcharset()
{ return pc_charset_console; }
//----------------------------------------------------------------------
inline bool FTerm::hasUTF8()
{ return utf8_console; }
//----------------------------------------------------------------------
inline bool FTerm::hasVT100()
{ return vt100_console; }
//----------------------------------------------------------------------
inline bool FTerm::hasASCII()
{ return ascii_console; }
//----------------------------------------------------------------------
inline bool FTerm::isMonochron()
{ return monochron; }
//----------------------------------------------------------------------
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inline bool FTerm::isXTerminal()
{ return term_detection->isXTerminal(); }
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//----------------------------------------------------------------------
inline bool FTerm::isAnsiTerminal()
{ return term_detection->isAnsiTerminal(); }
//----------------------------------------------------------------------
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inline bool FTerm::isRxvtTerminal()
{ return term_detection->isRxvtTerminal(); }
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//----------------------------------------------------------------------
inline bool FTerm::isUrxvtTerminal()
{ return term_detection->isUrxvtTerminal(); }
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//----------------------------------------------------------------------
inline bool FTerm::isMltermTerminal()
{ return term_detection->isMltermTerminal(); }
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//----------------------------------------------------------------------
inline bool FTerm::isPuttyTerminal()
{ return term_detection->isPuttyTerminal(); }
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//----------------------------------------------------------------------
inline bool FTerm::isKdeTerminal()
{ return term_detection->isKdeTerminal(); }
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//----------------------------------------------------------------------
inline bool FTerm::isGnomeTerminal()
{ return term_detection->isGnomeTerminal(); }
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//----------------------------------------------------------------------
inline bool FTerm::isKtermTerminal()
{ return term_detection->isKtermTerminal(); }
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//----------------------------------------------------------------------
inline bool FTerm::isTeraTerm()
{ return term_detection->isTeraTerm(); }
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//----------------------------------------------------------------------
inline bool FTerm::isSunTerminal()
{ return term_detection->isSunTerminal(); }
//----------------------------------------------------------------------
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inline bool FTerm::isCygwinTerminal()
{ return term_detection->isCygwinTerminal(); }
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//----------------------------------------------------------------------
inline bool FTerm::isMinttyTerm()
{ return term_detection->isMinttyTerm(); }
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//----------------------------------------------------------------------
inline bool FTerm::isLinuxTerm()
{ return term_detection->isLinuxTerm(); }
//----------------------------------------------------------------------
inline bool FTerm::isFreeBSDTerm()
{ return term_detection->isFreeBSDTerm(); }
//----------------------------------------------------------------------
inline bool FTerm::isNetBSDTerm()
{ return term_detection->isNetBSDTerm(); }
//----------------------------------------------------------------------
inline bool FTerm::isOpenBSDTerm()
{ return term_detection->isOpenBSDTerm(); }
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//----------------------------------------------------------------------
inline bool FTerm::isScreenTerm()
{ return term_detection->isScreenTerm(); }
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//----------------------------------------------------------------------
inline bool FTerm::isTmuxTerm()
{ return term_detection->isTmuxTerm(); }
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//----------------------------------------------------------------------
inline bool FTerm::isInputDataPending()
{ return input_data_pending; }
//----------------------------------------------------------------------
inline bool FTerm::isNewFont()
{ return NewFont; }
//----------------------------------------------------------------------
inline bool FTerm::isUTF8()
{ return utf8_state; }
//----------------------------------------------------------------------
inline void FTerm::setInsertCursor()
{ setInsertCursor(true); }
//----------------------------------------------------------------------
inline void FTerm::unsetInsertCursor()
{ setInsertCursor(false); }
//----------------------------------------------------------------------
inline bool FTerm::setCursorOptimisation (bool on)
{ return cursor_optimisation = ( on ) ? true : false; }
//----------------------------------------------------------------------
inline void FTerm::setKeypressTimeout (const long timeout)
{ key_timeout = timeout; }
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//----------------------------------------------------------------------
inline void FTerm::disableAltScreen()
{ use_alternate_screen = false; }
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//----------------------------------------------------------------------
inline bool FTerm::setUTF8()
{ return setUTF8(true); }
//----------------------------------------------------------------------
inline bool FTerm::unsetUTF8()
{ return setUTF8(false); }
//----------------------------------------------------------------------
inline bool FTerm::setNonBlockingInput()
{ return setNonBlockingInput(true); }
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//----------------------------------------------------------------------
inline bool FTerm::unsetNonBlockingInput()
{ return setNonBlockingInput(false); }
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//----------------------------------------------------------------------
inline bool FTerm::hasChangedTermSize()
{ return resize_term; }
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//----------------------------------------------------------------------
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; }
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//----------------------------------------------------------------------
inline void FTerm::changeTermSizeFinished()
{ resize_term = false; }
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#endif // FTERM_H