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 -- - - - FOptiMove
* :
* :
* : 1
* :- - - - FOptiAttr
* :
* :
* : *
* :- - - - 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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#if defined(__FreeBSD__) || defined(__DragonFly__)
#include <sys/consio.h>
#include <sys/kbio.h>
#endif
#if defined(__NetBSD__) || defined(__OpenBSD__)
#include <sys/time.h>
#include <dev/wscons/wsconsio.h>
#endif
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#include <sys/ioctl.h>
#include <sys/stat.h>
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#include <fcntl.h>
#include <langinfo.h>
#include <termios.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
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#include <unistd.h>
#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"
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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
#if defined(__FreeBSD__) || defined(__DragonFly__)
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static fc::freebsdConsoleCursorStyle getFreeBSDConsoleCursorStyle();
#endif
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#if DEBUG
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static const FString& getAnswerbackString();
static const FString& getSecDAString();
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#endif
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// Inquiries
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 isScreenTerm();
static bool isTmuxTerm();
static bool isInputDataPending();
static bool isNewFont();
static bool isUTF8();
static bool isUTF8_linux_terminal();
// Mutators
static bool setCursorOptimisation (bool);
static void setXTermDefaultColors (bool);
#if defined(__linux__)
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static void setLinuxConsoleCursorStyle \
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(fc::linuxConsoleCursorStyle, bool);
#endif
#if defined(__FreeBSD__) || defined(__DragonFly__)
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static void setFreeBSDConsoleCursorStyle \
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(fc::freebsdConsoleCursorStyle, bool);
#endif
static void setKeypressTimeout (const long);
static void setDblclickInterval (const long);
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static void setTTY (const termios&);
static void noHardwareEcho();
static bool setRawMode (bool);
static bool setRawMode();
static bool unsetRawMode();
static bool setCookedMode();
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 void printMoveDurations();
static char* enableCursor();
static char* disableCursor();
static void detectTermSize();
static void setTermSize (int, int);
static void setKDECursor (fc::kdeKonsoleCursorShape);
static const FString* getXTermFont();
static const FString* getXTermTitle();
static const FString getXTermColorName (int);
static void setXTermCursorStyle (fc::xtermCursorStyle);
static void setXTermTitle (const FString&);
static void setXTermForeground (const FString&);
static void setXTermBackground (const FString&);
static void setXTermCursorColor (const FString&);
static void setXTermMouseForeground (const FString&);
static void setXTermMouseBackground (const FString&);
static void setXTermHighlightBackground (const FString&);
static void setXTermDefaults();
static void resetXTermColors();
static void resetXTermForeground();
static void resetXTermBackground();
static void resetXTermCursorColor();
static void resetXTermMouseForeground();
static void resetXTermMouseBackground();
static void resetXTermHighlightBackground();
static void resetXTermDefaults();
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();
static const FString getAnswerbackMsg();
static const FString getSecDA();
// 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 char termtype_256color[256];
static char termtype_Answerback[256];
static char termtype_SecDA[256];
static int framebuffer_bpp;
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#endif
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protected:
// Methods
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#if defined(__linux__)
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static void initLinuxConsoleCharMap();
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#endif
#if defined(__FreeBSD__) || defined(__DragonFly__)
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static void initFreeBSDConsoleCharMap();
#endif
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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 bool hasChangedTermSize();
static void changeTermSizeFinished();
static void xtermMetaSendsESC (bool);
static void exitWithMessage (std::string)
#if defined(__clang__) || defined(__GNUC__)
__attribute__((noreturn))
#endif
;
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// Data Members
static int stdin_no;
static int stdout_no;
static int erase_ch_length;
static int repeat_char_length;
static int clr_bol_length;
static int clr_eol_length;
static int cursor_addres_lengths;
static bool NewFont;
static bool VGAFont;
static bool no_shadow_character;
static bool no_half_block_character;
static bool cursor_optimisation;
static bool xterm_default_colors;
static bool use_alternate_screen;
static fc::encoding term_encoding;
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static char exit_message[8192];
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
#if defined(__FreeBSD__) || defined(__DragonFly__)
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static bool isFreeBSDConsole();
#endif
#if defined(__NetBSD__) || defined(__OpenBSD__)
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static bool isWSConsConsole();
#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();
static void getSystemTermType();
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static void getTTYtype();
#if F_HAVE_GETTTYNAM
static bool getTTYSFileEntry();
#endif
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static void storeTTYsettings();
static void restoreTTYsettings();
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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();
#endif
#if defined(__FreeBSD__) || defined(__DragonFly__)
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static bool saveFreeBSDAltKey();
static bool setFreeBSDAltKey (uInt);
static bool setFreeBSDAlt2Meta();
static bool resetFreeBSDAlt2Meta();
static void initFreeBSDConsole();
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#endif
#if defined(__NetBSD__) || defined(__OpenBSD__)
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static bool saveWSConsEncoding();
static bool setWSConsEncoding (kbd_t);
static bool setWSConsMetaEsc();
static bool resetWSConsEncoding();
static void initWSConsConsole();
#endif
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static uInt getBaudRate (const struct termios*);
static void init_global_values();
static void detectTerminal();
static void termtypeAnalysis();
static bool get256colorEnvString();
static char* termtype_256color_quirks();
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static char* init_256colorTerminal();
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static char* determineMaxColor (char[]);
static char* parseAnswerbackMsg (char[]);
static char* parseSecDA (char[]);
static char* secDA_Analysis (char[]);
static char* secDA_Analysis_0 (char[]);
static char* secDA_Analysis_1 (char[]);
static char* secDA_Analysis_24 (char[]);
static char* secDA_Analysis_32 (char[]);
static char* secDA_Analysis_77 (char[]);
static char* secDA_Analysis_82 (char[]);
static char* secDA_Analysis_83 (char[]);
static char* secDA_Analysis_85 (char[]);
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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();
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static void init_termcaps();
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static void init_termcaps_error (int);
static void init_termcaps_variables(char*&);
static void init_termcaps_booleans();
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static void init_termcaps_numerics();
static void init_termcaps_strings (char*&);
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static void init_termcaps_quirks();
#if defined(__FreeBSD__) || defined(__DragonFly__)
static void init_termcaps_freebsd_quirks();
#endif
static void init_termcaps_cygwin_quirks();
static void init_termcaps_linux_quirks();
static void init_termcaps_xterm_quirks();
static void init_termcaps_rxvt_quirks();
static void init_termcaps_vte_quirks();
static void init_termcaps_putty_quirks();
static void init_termcaps_teraterm_quirks();
static void init_termcaps_sun_quirks();
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static void init_termcaps_screen_quirks();
static void init_termcaps_general_quirks();
static void init_termcaps_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();
static void redefineColorPalette();
static void restoreColorPalette();
static void enableMouse();
static void disableMouse();
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static void useAlternateScreenBuffer();
static void useNormalScreenBuffer();
static void captureXTermFontAndTitle();
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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 bool decscusr_support;
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static bool terminal_detection;
static bool raw_mode;
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 color256;
static bool monochron;
static bool xterm_terminal;
static bool ansi_terminal;
static bool rxvt_terminal;
static bool urxvt_terminal;
static bool mlterm_terminal;
static bool putty_terminal;
static bool kde_konsole;
static bool gnome_terminal;
static bool kterm_terminal;
static bool tera_terminal;
static bool sun_terminal;
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static bool cygwin_terminal;
static bool mintty_terminal;
static bool linux_terminal;
static bool netbsd_terminal;
static bool openbsd_terminal;
static bool screen_terminal;
static bool tmux_terminal;
static char termtype[256];
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static char termfilename[256];
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static char* locale_name;
static char* locale_xterm;
static FRect* term; // current terminal geometry
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static int gnome_terminal_id;
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static int stdin_status_flags;
static int fd_tty;
static uInt baudrate;
static long key_timeout;
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static bool resize_term;
static struct termios term_init;
static fc::linuxConsoleCursorStyle linux_console_cursor_style;
static fc::freebsdConsoleCursorStyle freebsd_console_cursor_style;
static struct console_font_op screen_font;
static struct unimapdesc screen_unicode_map;
#if defined(__FreeBSD__) || defined(__DragonFly__)
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static uInt bsd_alt_keymap;
#endif
#if defined(__NetBSD__) || defined(__OpenBSD__)
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static kbd_t wscons_keyboard_encoding;
#endif
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static FOptiMove* opti_move;
static FOptiAttr* opti_attr;
static FMouseControl* mouse;
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static const FString* xterm_font;
static const FString* xterm_title;
static const FString* answer_back;
static const FString* sec_da;
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 ( answer_back ) ? *answer_back : fc::emptyFString::get(); }
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//----------------------------------------------------------------------
inline const FString& FTerm::getSecDAString()
{ return ( sec_da ) ? *sec_da : fc::emptyFString::get(); }
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#endif
//----------------------------------------------------------------------
inline bool FTerm::isKeypressTimeout (timeval* time)
{ return FObject::isTimeout (time, key_timeout); }
//----------------------------------------------------------------------
inline bool FTerm::isRaw()
{ return raw_mode; }
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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 xterm_terminal; }
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//----------------------------------------------------------------------
inline bool FTerm::isAnsiTerminal()
{ return ansi_terminal; }
//----------------------------------------------------------------------
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inline bool FTerm::isRxvtTerminal()
{ return rxvt_terminal; }
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//----------------------------------------------------------------------
inline bool FTerm::isUrxvtTerminal()
{ return urxvt_terminal; }
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//----------------------------------------------------------------------
inline bool FTerm::isMltermTerminal()
{ return mlterm_terminal; }
//----------------------------------------------------------------------
inline bool FTerm::isPuttyTerminal()
{ return putty_terminal; }
//----------------------------------------------------------------------
inline bool FTerm::isKdeTerminal()
{ return kde_konsole; }
//----------------------------------------------------------------------
inline bool FTerm::isGnomeTerminal()
{ return gnome_terminal; }
//----------------------------------------------------------------------
inline bool FTerm::isKtermTerminal()
{ return kterm_terminal; }
//----------------------------------------------------------------------
inline bool FTerm::isTeraTerm()
{ return tera_terminal; }
//----------------------------------------------------------------------
inline bool FTerm::isSunTerminal()
{ return sun_terminal; }
//----------------------------------------------------------------------
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inline bool FTerm::isCygwinTerminal()
{ return cygwin_terminal; }
//----------------------------------------------------------------------
inline bool FTerm::isMinttyTerm()
{ return mintty_terminal; }
//----------------------------------------------------------------------
inline bool FTerm::isLinuxTerm()
{ return linux_terminal; }
//----------------------------------------------------------------------
inline bool FTerm::isScreenTerm()
{ return screen_terminal; }
//----------------------------------------------------------------------
inline bool FTerm::isTmuxTerm()
{ return tmux_terminal; }
//----------------------------------------------------------------------
inline bool FTerm::isInputDataPending()
{ return input_data_pending; }
//----------------------------------------------------------------------
inline bool FTerm::isNewFont()
{ return NewFont; }
//----------------------------------------------------------------------
inline bool FTerm::isUTF8()
{ return utf8_state; }
//----------------------------------------------------------------------
inline bool FTerm::isUTF8_linux_terminal()
{ return utf8_linux_terminal; }
//----------------------------------------------------------------------
inline bool FTerm::setCursorOptimisation (bool on)
{ return cursor_optimisation = ( on ) ? true : false; }
//----------------------------------------------------------------------
inline void FTerm::setXTermDefaultColors (bool on)
{ xterm_default_colors = on; }
//----------------------------------------------------------------------
inline void FTerm::setKeypressTimeout (const long timeout)
{ key_timeout = timeout; }
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//----------------------------------------------------------------------
inline bool FTerm::setRawMode()
{ return setRawMode(true); }
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//----------------------------------------------------------------------
inline bool FTerm::unsetRawMode()
{ return setRawMode(false); }
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//----------------------------------------------------------------------
inline bool FTerm::setCookedMode()
{ return setRawMode(false); }
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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 void FTerm::changeTermSizeFinished()
{ resize_term = false; }
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#endif // FTERM_H