diff options
Diffstat (limited to 'contrib/nvi/common/key.h')
| -rw-r--r-- | contrib/nvi/common/key.h | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/contrib/nvi/common/key.h b/contrib/nvi/common/key.h deleted file mode 100644 index 76fb64f8e1ec..000000000000 --- a/contrib/nvi/common/key.h +++ /dev/null @@ -1,222 +0,0 @@ -/*- - * Copyright (c) 1991, 1993, 1994 - * The Regents of the University of California. All rights reserved. - * Copyright (c) 1991, 1993, 1994, 1995, 1996 - * Keith Bostic. All rights reserved. - * - * See the LICENSE file for redistribution information. - * - * @(#)key.h 10.18 (Berkeley) 6/30/96 - */ - -/* - * Fundamental character types. - * - * CHAR_T An integral type that can hold any character. - * ARG_CHAR_T The type of a CHAR_T when passed as an argument using - * traditional promotion rules. It should also be able - * to be compared against any CHAR_T for equality without - * problems. - * MAX_CHAR_T The maximum value of any character. - * - * If no integral type can hold a character, don't even try the port. - */ -typedef u_char CHAR_T; -typedef u_int ARG_CHAR_T; -#define MAX_CHAR_T 0xff - -/* The maximum number of columns any character can take up on a screen. */ -#define MAX_CHARACTER_COLUMNS 4 - -/* - * Event types. - * - * The program structure depends on the event loop being able to return - * E_EOF/E_ERR multiple times -- eventually enough things will end due - * to the events that vi will reach the command level for the screen, at - * which point the exit flags will be set and vi will exit. - */ -typedef enum { - E_NOTUSED = 0, /* Not set. */ - E_CHARACTER, /* Input character: e_c set. */ - E_EOF, /* End of input (NOT ^D). */ - E_ERR, /* Input error. */ - E_INTERRUPT, /* Interrupt. */ - E_QUIT, /* Quit. */ - E_REPAINT, /* Repaint: e_flno, e_tlno set. */ - E_SIGHUP, /* SIGHUP. */ - E_SIGTERM, /* SIGTERM. */ - E_STRING, /* Input string: e_csp, e_len set. */ - E_TIMEOUT, /* Timeout. */ - E_WRESIZE, /* Window resize. */ - E_WRITE /* Write. */ -} e_event_t; - -/* - * Character values. - */ -typedef enum { - K_NOTUSED = 0, /* Not set. */ - K_BACKSLASH, /* \ */ - K_CARAT, /* ^ */ - K_CNTRLD, /* ^D */ - K_CNTRLR, /* ^R */ - K_CNTRLT, /* ^T */ - K_CNTRLZ, /* ^Z */ - K_COLON, /* : */ - K_CR, /* \r */ - K_ESCAPE, /* ^[ */ - K_FORMFEED, /* \f */ - K_HEXCHAR, /* ^X */ - K_NL, /* \n */ - K_RIGHTBRACE, /* } */ - K_RIGHTPAREN, /* ) */ - K_TAB, /* \t */ - K_VERASE, /* set from tty: default ^H */ - K_VKILL, /* set from tty: default ^U */ - K_VLNEXT, /* set from tty: default ^V */ - K_VWERASE, /* set from tty: default ^W */ - K_ZERO /* 0 */ -} e_key_t; - -struct _event { - TAILQ_ENTRY(_event) q; /* Linked list of events. */ - e_event_t e_event; /* Event type. */ - union { - struct { /* Input character. */ - CHAR_T c; /* Character. */ - e_key_t value; /* Key type. */ - -#define CH_ABBREVIATED 0x01 /* Character is from an abbreviation. */ -#define CH_MAPPED 0x02 /* Character is from a map. */ -#define CH_NOMAP 0x04 /* Do not map the character. */ -#define CH_QUOTED 0x08 /* Character is already quoted. */ - u_int8_t flags; - } _e_ch; -#define e_ch _u_event._e_ch /* !!! The structure, not the char. */ -#define e_c _u_event._e_ch.c -#define e_value _u_event._e_ch.value -#define e_flags _u_event._e_ch.flags - - struct { /* Screen position, size. */ - size_t lno1; /* Line number. */ - size_t cno1; /* Column number. */ - size_t lno2; /* Line number. */ - size_t cno2; /* Column number. */ - } _e_mark; -#define e_lno _u_event._e_mark.lno1 /* Single location. */ -#define e_cno _u_event._e_mark.cno1 -#define e_flno _u_event._e_mark.lno1 /* Text region. */ -#define e_fcno _u_event._e_mark.cno1 -#define e_tlno _u_event._e_mark.lno2 -#define e_tcno _u_event._e_mark.cno2 - - struct { /* Input string. */ - CHAR_T *asp; /* Allocated string. */ - CHAR_T *csp; /* String. */ - size_t len; /* String length. */ - } _e_str; -#define e_asp _u_event._e_str.asp -#define e_csp _u_event._e_str.csp -#define e_len _u_event._e_str.len - } _u_event; -}; - -typedef struct _keylist { - e_key_t value; /* Special value. */ - CHAR_T ch; /* Key. */ -} KEYLIST; -extern KEYLIST keylist[]; - - /* Return if more keys in queue. */ -#define KEYS_WAITING(sp) ((sp)->gp->i_cnt != 0) -#define MAPPED_KEYS_WAITING(sp) \ - (KEYS_WAITING(sp) && \ - F_ISSET(&sp->gp->i_event[sp->gp->i_next].e_ch, CH_MAPPED)) - -/* - * Ex/vi commands are generally separated by whitespace characters. We - * can't use the standard isspace(3) macro because it returns true for - * characters like ^K in the ASCII character set. The 4.4BSD isblank(3) - * macro does exactly what we want, but it's not portable yet. - * - * XXX - * Note side effect, ch is evaluated multiple times. - */ -#ifndef isblank -#define isblank(ch) ((ch) == ' ' || (ch) == '\t') -#endif - -/* The "standard" tab width, for displaying things to users. */ -#define STANDARD_TAB 6 - -/* Various special characters, messages. */ -#define CH_BSEARCH '?' /* Backward search prompt. */ -#define CH_CURSOR ' ' /* Cursor character. */ -#define CH_ENDMARK '$' /* End of a range. */ -#define CH_EXPROMPT ':' /* Ex prompt. */ -#define CH_FSEARCH '/' /* Forward search prompt. */ -#define CH_HEX '\030' /* Leading hex character. */ -#define CH_LITERAL '\026' /* ASCII ^V. */ -#define CH_NO 'n' /* No. */ -#define CH_NOT_DIGIT 'a' /* A non-isdigit() character. */ -#define CH_QUIT 'q' /* Quit. */ -#define CH_YES 'y' /* Yes. */ - -/* - * Checking for interrupts means that we look at the bit that gets set if the - * screen code supports asynchronous events, and call back into the event code - * so that non-asynchronous screens get a chance to post the interrupt. - * - * INTERRUPT_CHECK is the number of lines "operated" on before checking for - * interrupts. - */ -#define INTERRUPT_CHECK 100 -#define INTERRUPTED(sp) \ - (F_ISSET((sp)->gp, G_INTERRUPTED) || \ - (!v_event_get(sp, NULL, 0, EC_INTERRUPT) && \ - F_ISSET((sp)->gp, G_INTERRUPTED))) -#define CLR_INTERRUPT(sp) \ - F_CLR((sp)->gp, G_INTERRUPTED) - -/* Flags describing types of characters being requested. */ -#define EC_INTERRUPT 0x001 /* Checking for interrupts. */ -#define EC_MAPCOMMAND 0x002 /* Apply the command map. */ -#define EC_MAPINPUT 0x004 /* Apply the input map. */ -#define EC_MAPNODIGIT 0x008 /* Return to a digit. */ -#define EC_QUOTED 0x010 /* Try to quote next character */ -#define EC_RAW 0x020 /* Any next character. XXX: not used. */ -#define EC_TIMEOUT 0x040 /* Timeout to next character. */ - -/* Flags describing text input special cases. */ -#define TXT_ADDNEWLINE 0x00000001 /* Replay starts on a new line. */ -#define TXT_AICHARS 0x00000002 /* Leading autoindent chars. */ -#define TXT_ALTWERASE 0x00000004 /* Option: altwerase. */ -#define TXT_APPENDEOL 0x00000008 /* Appending after EOL. */ -#define TXT_AUTOINDENT 0x00000010 /* Autoindent set this line. */ -#define TXT_BACKSLASH 0x00000020 /* Backslashes escape characters. */ -#define TXT_BEAUTIFY 0x00000040 /* Only printable characters. */ -#define TXT_BS 0x00000080 /* Backspace returns the buffer. */ -#define TXT_CEDIT 0x00000100 /* Can return TERM_CEDIT. */ -#define TXT_CNTRLD 0x00000200 /* Control-D is a command. */ -#define TXT_CNTRLT 0x00000400 /* Control-T is an indent special. */ -#define TXT_CR 0x00000800 /* CR returns the buffer. */ -#define TXT_DOTTERM 0x00001000 /* Leading '.' terminates the input. */ -#define TXT_EMARK 0x00002000 /* End of replacement mark. */ -#define TXT_EOFCHAR 0x00004000 /* ICANON set, return EOF character. */ -#define TXT_ESCAPE 0x00008000 /* Escape returns the buffer. */ -#define TXT_FILEC 0x00010000 /* Option: filec. */ -#define TXT_INFOLINE 0x00020000 /* Editing the info line. */ -#define TXT_MAPINPUT 0x00040000 /* Apply the input map. */ -#define TXT_NLECHO 0x00080000 /* Echo the newline. */ -#define TXT_NUMBER 0x00100000 /* Number the line. */ -#define TXT_OVERWRITE 0x00200000 /* Overwrite characters. */ -#define TXT_PROMPT 0x00400000 /* Display a prompt. */ -#define TXT_RECORD 0x00800000 /* Record for replay. */ -#define TXT_REPLACE 0x01000000 /* Replace; don't delete overwrite. */ -#define TXT_REPLAY 0x02000000 /* Replay the last input. */ -#define TXT_RESOLVE 0x04000000 /* Resolve the text into the file. */ -#define TXT_SEARCHINCR 0x08000000 /* Incremental search. */ -#define TXT_SHOWMATCH 0x10000000 /* Option: showmatch. */ -#define TXT_TTYWERASE 0x20000000 /* Option: ttywerase. */ -#define TXT_WRAPMARGIN 0x40000000 /* Option: wrapmargin. */ |