Diffstat (limited to 'contrib/ncurses/man/curs_terminfo.3x')
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+.\" Copyright (c) 1999 Free Software Foundation, Inc. *
+.\" Permission is hereby granted, free of charge, to any person obtaining a *
+.\" copy of this software and associated documentation files (the *
+.\" "Software"), to deal in the Software without restriction, including *
+.\" without limitation the rights to use, copy, modify, merge, publish, *
+.\" distribute, distribute with modifications, sublicense, and/or sell *
+.\" copies of the Software, and to permit persons to whom the Software is *
+.\" furnished to do so, subject to the following conditions: *
+.\" The above copyright notice and this permission notice shall be included *
+.\" in all copies or substantial portions of the Software. *
+.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+.\" Except as contained in this notice, the name(s) of the above copyright *
+.\" holders shall not be used in advertising or otherwise to promote the *
+.\" sale, use or other dealings in this Software without prior written *
+.\" authorization. *
+.\" $Id: curs_terminfo.3x,v 1.11 1999/07/31 21:41:29 tom Exp $
+.TH curs_terminfo 3X ""
+.ds n 5
+\fBset_curterm\fR, \fBdel_curterm\fR, \fBrestartterm\fR, \fBtparm\fR,
+\fBtputs\fR, \fBputp\fR, \fBvidputs\fR, \fBvidattr\fR, \fBmvcur\fR,
+\fBtigetflag\fR, \fBtigetnum\fR, \fBtigetstr\fR - \fBcurses\fR
+interfaces to terminfo database
+\fBint setupterm(const char *term, int fildes, int *errret);\fR
+\fBint setterm(const char *term);\fR
+\fBTERMINAL *set_curterm(TERMINAL *nterm);\fR
+\fBint del_curterm(TERMINAL *oterm);\fR
+\fBint restartterm(const char *term, int fildes, int *errret);\fR
+\fBchar *tparm(const char *str, ...);\fR
+\fBint tputs(const char *str, int affcnt, int (*putc)(int));\fR
+\fBint putp(const char *str);\fR
+\fBint vidputs(chtype attrs, int (*putc)(char));\fR
+\fBint vidattr(chtype attrs);\fR
+\fBint mvcur(int oldrow, int oldcol, int newrow, int newcol);\fR
+\fBint tigetflag(const char *capname);\fR
+\fBint tigetnum(const char *capname);\fR
+\fBchar *tigetstr(const char *capname);\fR
+These low-level routines must be called by programs that have to deal
+directly with the \fBterminfo\fR database to handle certain terminal
+capabilities, such as programming function keys. For all other
+functionality, \fBcurses\fR routines are more suitable and their use is
+Initially, \fBsetupterm\fR should be called. Note that
+\fBsetupterm\fR is automatically called by \fBinitscr\fR and
+\fBnewterm\fR. This defines the set of terminal-dependent variables
+[listed in \fBterminfo\fR(\*n)]. The \fBterminfo\fR variables
+\fBlines\fR and \fBcolumns\fR are initialized by \fBsetupterm\fR as
+follows: If \fBuse_env(FALSE)\fR has been called, values for
+\fBlines\fR and \fBcolumns\fR specified in \fBterminfo\fR are used.
+Otherwise, if the environment variables \fBLINES\fR and \fBCOLUMNS\fR
+exist, their values are used. If these environment variables do not
+exist and the program is running in a window, the current window size
+is used. Otherwise, if the environment variables do not exist, the
+values for \fBlines\fR and \fBcolumns\fR specified in the
+\fBterminfo\fR database are used.
+The header files \fBcurses.h\fR and \fBterm.h\fR should be included (in this
+order) to get the definitions for these strings, numbers, and flags.
+Parameterized strings should be passed through \fBtparm\fR to instantiate them.
+All \fBterminfo\fR strings [including the output of \fBtparm\fR] should be printed
+with \fBtputs\fR or \fBputp\fR. Call the \fBreset_shell_mode\fR to restore the
+tty modes before exiting [see \fBcurs_kernel\fR(3X)]. Programs which use
+cursor addressing should output \fBenter_ca_mode\fR upon startup and should
+output \fBexit_ca_mode\fR before exiting. Programs desiring shell escapes
+\fBreset_shell_mode\fR and output \fBexit_ca_mode\fR before the shell
+is called and should output \fBenter_ca_mode\fR and call
+\fBreset_prog_mode\fR after returning from the shell.
+The \fBsetupterm\fR routine reads in the \fBterminfo\fR database,
+initializing the \fBterminfo\fR structures, but does not set up the
+output virtualization structures used by \fBcurses\fR. The terminal
+type is the character string \fIterm\fR; if \fIterm\fR is null, the
+environment variable \fBTERM\fR is used.
+All output is to file descriptor \fBfildes\fR which is initialized for output.
+If \fIerrret\fR is not null,
+then \fBsetupterm\fR returns \fBOK\fR or
+\fBERR\fR and stores a status value in the integer pointed to by
+A return value of \fBOK\fR combined with status of \fB1\fR in \fIerrret\fR
+If \fBERR\fR is returned, examine \fIerrret\fR:
+means that the terminal is hardcopy, cannot be used for curses applications.
+means that the terminal could not be found,
+or that it is a generic type,
+having too little information for curses applications to run.
+means that the \fBterminfo\fR database could not be found.
+If \fIerrret\fR is
+null, \fBsetupterm\fR prints an error message upon finding an error
+and exits. Thus, the simplest call is:
+ \fBsetupterm((char *)0, 1, (int *)0);\fR,
+which uses all the defaults and sends the output to \fBstdout\fR.
+The \fBsetterm\fR routine is being replaced by \fBsetupterm\fR. The call:
+ \fBsetupterm(\fR\fIterm\fR\fB, 1, (int *)0)\fR
+provides the same functionality as \fBsetterm(\fR\fIterm\fR\fB)\fR.
+The \fBsetterm\fR routine is included here for BSD compatibility, and
+is not recommended for new programs.
+The \fBset_curterm\fR routine sets the variable \fBcur_term\fR to
+\fInterm\fR, and makes all of the \fBterminfo\fR boolean, numeric, and
+string variables use the values from \fInterm\fR. It returns the old value
+The \fBdel_curterm\fR routine frees the space pointed to by
+\fIoterm\fR and makes it available for further use. If \fIoterm\fR is
+the same as \fBcur_term\fR, references to any of the \fBterminfo\fR
+boolean, numeric, and string variables thereafter may refer to invalid
+memory locations until another \fBsetupterm\fR has been called.
+The \fBrestartterm\fR routine is similar to \fBsetupterm\fR and \fBinitscr\fR,
+except that it is called after restoring memory to a previous state (for
+example, when reloading a game saved as a core image dump). It assumes that
+the windows and the input and output options are the same as when memory was
+saved, but the terminal type and baud rate may be different. Accordingly,
+it saves various tty state bits, does a setupterm, and then restores the bits.
+The \fBtparm\fR routine instantiates the string \fIstr\fR with
+parameters \fIpi\fR. A pointer is returned to the result of \fIstr\fR
+with the parameters applied.
+The \fBtputs\fR routine applies padding information to the string
+\fIstr\fR and outputs it. The \fIstr\fR must be a terminfo string
+variable or the return value from \fBtparm\fR, \fBtgetstr\fR, or
+\fBtgoto\fR. \fIaffcnt\fR is the number of lines affected, or 1 if
+not applicable. \fIputc\fR is a \fBputchar\fR-like routine to which
+the characters are passed, one at a time.
+The \fBputp\fR routine calls \fBtputs(\fR\fIstr\fR\fB, 1, putchar)\fR.
+Note that the output of \fBputp\fR always goes to \fBstdout\fR, not to
+the \fIfildes\fR specified in \fBsetupterm\fR.
+The \fBvidputs\fR routine displays the string on the terminal in the
+video attribute mode \fIattrs\fR, which is any combination of the
+attributes listed in \fBcurses\fR(3X). The characters are passed to
+the \fBputchar\fR-like routine \fIputc\fR.
+The \fBvidattr\fR routine is like the \fBvidputs\fR routine, except
+that it outputs through \fBputchar\fR.
+The \fBmvcur\fR routine provides low-level cursor motion. It takes
+effect immediately (rather than at the next refresh).
+The \fBtigetflag\fR, \fBtigetnum\fR and \fBtigetstr\fR routines return
+the value of the capability corresponding to the \fBterminfo\fR
+\fIcapname\fR passed to them, such as \fBxenl\fR.
+The \fBtigetflag\fR routine returns the value \fB-1\fR if
+\fIcapname\fR is not a boolean capability,
+or \fB0\fR if it is canceled or absent from the terminal description.
+The \fBtigetnum\fR routine returns the value \fB-2\fR if
+\fIcapname\fR is not a numeric capability,
+or \fB-1\fR if it is canceled or absent from the terminal description.
+The \fBtigetstr\fR routine returns the value \fB(char *)-1\fR
+if \fIcapname\fR is not a string capability,
+or \fB0\fR if it is canceled or absent from the terminal description.
+The \fIcapname\fR for each capability is given in the table column entitled
+\fIcapname\fR code in the capabilities section of \fBterminfo\fR(\*n).
+\fBchar *boolnames\fR, \fB*boolcodes\fR, \fB*boolfnames\fR
+\fBchar *numnames\fR, \fB*numcodes\fR, \fB*numfnames\fR
+\fBchar *strnames\fR, \fB*strcodes\fR, \fB*strfnames\fR
+These null-terminated arrays contain the \fIcapnames\fR, the
+\fBtermcap\fR codes, and the full C names, for each of the
+.SH RETURN VALUE
+Routines that return an integer return \fBERR\fR upon failure and \fBOK\fR
+(SVr4 only specifies "an integer value other than \fBERR\fR") upon successful
+completion, unless otherwise noted in the preceding routine descriptions.
+Routines that return pointers always return \fBNULL\fR on error.
+The \fBsetupterm\fR routine should be used in place of \fBsetterm\fR.
+It may be useful when you want to test for terminal capabilities without
+committing to the allocation of storage involved in \fBinitscr\fR.
+Note that \fBvidattr\fR and \fBvidputs\fR may be macros.
+The function \fBsetterm\fR is not described in the XSI Curses standard and must
+be considered non-portable. All other functions are as described in the XSI
+In System V Release 4, \fBset_curterm\fR has an \fBint\fR return type and
+returns \fBOK\fR or \fBERR\fR. We have chosen to implement the XSI Curses
+In System V Release 4, the third argument of \fBtputs\fR has the type
+The XSI Curses standard prototypes \fBtparm\fR with a fixed number of parameters,
+rather than a variable argument list.
+.SH SEE ALSO
+\fBcurses\fR(3X), \fBcurs_initscr\fR(3X), \fBcurs_kernel\fR(3X), \fBcurs_termcap\fR(3X),
+.\"# The following sets edit modes for GNU EMACS
+.\"# Local Variables: