108 lines
4.3 KiB
C
108 lines
4.3 KiB
C
/*-
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* Copyright (c) 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)gs.h 8.39 (Berkeley) 7/23/94
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*/
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struct _gs {
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CIRCLEQ_HEAD(_dqh, _scr) dq; /* Displayed screens. */
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CIRCLEQ_HEAD(_hqh, _scr) hq; /* Hidden screens. */
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mode_t origmode; /* Original terminal mode. */
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struct termios
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original_termios; /* Original terminal values. */
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MSGH msgq; /* User message list. */
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char *tmp_bp; /* Temporary buffer. */
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size_t tmp_blen; /* Size of temporary buffer. */
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sigset_t blockset; /* Signal mask. */
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#ifdef DEBUG
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FILE *tracefp; /* Trace file pointer. */
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#endif
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/* INFORMATION SHARED BY ALL SCREENS. */
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IBUF *tty; /* Key input buffer. */
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CB *dcbp; /* Default cut buffer pointer. */
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CB dcb_store; /* Default cut buffer storage. */
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LIST_HEAD(_cuth, _cb) cutq; /* Linked list of cut buffers. */
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#define MAX_BIT_SEQ 128 /* Max + 1 fast check character. */
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LIST_HEAD(_seqh, _seq) seqq; /* Linked list of maps, abbrevs. */
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bitstr_t bit_decl(seqb, MAX_BIT_SEQ);
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#define MAX_FAST_KEY 254 /* Max fast check character.*/
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#define KEY_LEN(sp, ch) \
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((ch) <= MAX_FAST_KEY ? \
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sp->gp->cname[ch].len : __key_len(sp, ch))
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#define KEY_NAME(sp, ch) \
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((ch) <= MAX_FAST_KEY ? \
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sp->gp->cname[ch].name : __key_name(sp, ch))
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struct {
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CHAR_T name[MAX_CHARACTER_COLUMNS + 1];
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u_int8_t len;
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} cname[MAX_FAST_KEY + 1]; /* Fast lookup table. */
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#define KEY_VAL(sp, ch) \
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((ch) <= MAX_FAST_KEY ? sp->gp->special_key[ch] : \
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(ch) > sp->gp->max_special ? 0 : __key_val(sp, ch))
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CHAR_T max_special; /* Max special character. */
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u_char /* Fast lookup table. */
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special_key[MAX_FAST_KEY + 1];
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/* Interrupt macros. */
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#define INTERRUPTED(sp) \
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(F_ISSET((sp), S_INTERRUPTED) || F_ISSET((sp)->gp, G_SIGINT))
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#define CLR_INTERRUPT(sp) { \
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F_CLR((sp), S_INTERRUPTED | S_INTERRUPTIBLE); \
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F_CLR((sp)->gp, G_SIGINT); \
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}
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#define G_ABBREV 0x0001 /* If have abbreviations. */
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#define G_BELLSCHED 0x0002 /* Bell scheduled. */
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#define G_RECOVER_SET 0x0004 /* Recover system initialized. */
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#define G_SETMODE 0x0008 /* Tty mode changed. */
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#define G_SIGALRM 0x0010 /* SIGALRM arrived. */
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#define G_SIGINT 0x0020 /* SIGINT arrived. */
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#define G_SIGWINCH 0x0040 /* SIGWINCH arrived. */
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#define G_SNAPSHOT 0x0080 /* Always snapshot files. */
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#define G_STDIN_TTY 0x0100 /* Standard input is a tty. */
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#define G_TERMIOS_SET 0x0200 /* Termios structure is valid. */
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#define G_TMP_INUSE 0x0400 /* Temporary buffer in use. */
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u_int16_t flags;
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};
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extern GS *__global_list; /* List of screens. */
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