/* $OpenBSD: screen.h,v 1.10 2016/05/27 09:18:11 martijn Exp $ */ /*- * Copyright (c) 1992, 1993, 1994 * The Regents of the University of California. All rights reserved. * Copyright (c) 1992, 1993, 1994, 1995, 1996 * Keith Bostic. All rights reserved. * * See the LICENSE file for redistribution information. * * @(#)screen.h 10.24 (Berkeley) 7/19/96 */ /* * There are minimum values that vi has to have to display a screen. The row * minimum is fixed at 1 (the svi code can share a line between the text line * and the colon command/message line). Column calculation is a lot trickier. * For example, you have to have enough columns to display the line number, * not to mention guaranteeing that tabstop and shiftwidth values are smaller * than the current column value. It's simpler to have a fixed value and not * worry about it. * * XXX * MINIMUM_SCREEN_COLS is almost certainly wrong. */ #define MINIMUM_SCREEN_ROWS 1 #define MINIMUM_SCREEN_COLS 20 /* * SCR -- * The screen structure. To the extent possible, all screen information * is stored in the various private areas. The only information here * is used by global routines or is shared by too many screens. */ struct _scr { /* INITIALIZED AT SCREEN CREATE. */ TAILQ_ENTRY(_scr) q; /* Screens. */ int id; /* Screen id #. */ int refcnt; /* Reference count. */ GS *gp; /* Pointer to global area. */ SCR *nextdisp; /* Next display screen. */ SCR *ccl_parent; /* Colon command-line parent screen. */ EXF *ep; /* Screen's current EXF structure. */ FREF *frp; /* FREF being edited. */ char **argv; /* NULL terminated file name array. */ char **cargv; /* Current file name. */ u_long ccnt; /* Command count. */ u_long q_ccnt; /* Quit or ZZ command count. */ /* Screen's: */ size_t rows; /* 1-N: number of rows. */ size_t cols; /* 1-N: number of columns. */ size_t t_rows; /* 1-N: cur number of text rows. */ size_t t_maxrows; /* 1-N: max number of text rows. */ size_t t_minrows; /* 1-N: min number of text rows. */ size_t woff; /* 0-N: screen offset in frame. */ /* Cursor's: */ recno_t lno; /* 1-N: file line. */ size_t cno; /* 0-N: file character in line. */ size_t rcm; /* Vi: 0-N: Most attractive column. */ #define L_ADDED 0 /* Added lines. */ #define L_CHANGED 1 /* Changed lines. */ #define L_DELETED 2 /* Deleted lines. */ #define L_JOINED 3 /* Joined lines. */ #define L_MOVED 4 /* Moved lines. */ #define L_SHIFT 5 /* Shift lines. */ #define L_YANKED 6 /* Yanked lines. */ recno_t rptlchange; /* Ex/vi: last L_CHANGED lno. */ recno_t rptlines[L_YANKED + 1];/* Ex/vi: lines changed by last op. */ TEXTH tiq; /* Ex/vi: text input queue. */ SCRIPT *script; /* Vi: script mode information .*/ recno_t defscroll; /* Vi: ^D, ^U scroll information. */ /* Display character. */ CHAR_T cname[MAX_CHARACTER_COLUMNS + 1]; size_t clen; /* Length of display character. */ enum { /* Vi editor mode. */ SM_APPEND = 0, SM_CHANGE, SM_COMMAND, SM_INSERT, SM_REPLACE } showmode; void *ex_private; /* Ex private area. */ void *vi_private; /* Vi private area. */ /* PARTIALLY OR COMPLETELY COPIED FROM PREVIOUS SCREEN. */ char *alt_name; /* Ex/vi: alternate file name. */ CHAR_T at_lbuf; /* Ex/vi: Last executed at buffer. */ /* Ex/vi: re_compile flags. */ #define RE_C_SEARCH 0x0002 /* Compile search replacement. */ #define RE_C_SILENT 0x0004 /* No error messages. */ #define RE_C_SUBST 0x0008 /* Compile substitute replacement. */ #define RE_C_TAG 0x0010 /* Compile ctag pattern. */ #define RE_WSTART "[[:<:]]" /* Ex/vi: not-in-word search pattern. */ #define RE_WSTOP "[[:>:]]" /* Ex/vi: flags to search routines. */ #define SEARCH_EOL 0x0002 /* Offset past EOL is okay. */ #define SEARCH_FILE 0x0004 /* Search the entire file. */ #define SEARCH_INCR 0x0008 /* Search incrementally. */ #define SEARCH_MSG 0x0010 /* Display search messages. */ #define SEARCH_PARSE 0x0020 /* Parse the search pattern. */ #define SEARCH_SET 0x0040 /* Set search direction. */ #define SEARCH_TAG 0x0080 /* Search for a tag pattern. */ #define SEARCH_WMSG 0x0100 /* Display search-wrapped messages. */ /* Ex/vi: RE information. */ dir_t searchdir; /* Last file search direction. */ regex_t re_c; /* Search RE: compiled form. */ char *re; /* Search RE: uncompiled form. */ size_t re_len; /* Search RE: uncompiled length. */ regex_t subre_c; /* Substitute RE: compiled form. */ char *subre; /* Substitute RE: uncompiled form. */ size_t subre_len; /* Substitute RE: uncompiled length). */ char *repl; /* Substitute replacement. */ size_t repl_len; /* Substitute replacement length.*/ size_t *newl; /* Newline offset array. */ size_t newl_len; /* Newline array size. */ size_t newl_cnt; /* Newlines in replacement. */ u_int8_t c_suffix; /* Edcompatible 'c' suffix value. */ u_int8_t g_suffix; /* Edcompatible 'g' suffix value. */ OPTION opts[O_OPTIONCOUNT]; /* Ex/vi: Options. */ /* * Screen flags. * * Editor screens. */ #define SC_EX 0x00000001 /* Ex editor. */ #define SC_VI 0x00000002 /* Vi editor. */ /* * Screen formatting flags, first major, then minor. * * SC_SCR_EX * Ex screen, i.e. cooked mode. * SC_SCR_VI * Vi screen, i.e. raw mode. * SC_SCR_EXWROTE * The editor had to write on the screen behind curses' back, and we can't * let curses change anything until the user agrees, e.g. entering the * commands :!utility followed by :set. We have to switch back into the * vi "editor" to read the user's command input, but we can't touch the * rest of the screen because it's known to be wrong. * SC_SCR_REFORMAT * The expected presentation of the lines on the screen have changed, * requiring that the intended screen lines be recalculated. Implies * SC_SCR_REDRAW. * SC_SCR_REDRAW * The screen doesn't correctly represent the file; repaint it. Note, * setting SC_SCR_REDRAW in the current window causes *all* windows to * be repainted. * SC_SCR_CENTER * If the current line isn't already on the screen, center it. * SC_SCR_TOP * If the current line isn't already on the screen, put it at the to@. */ #define SC_SCR_EX 0x00000004 /* Screen is in ex mode. */ #define SC_SCR_VI 0x00000008 /* Screen is in vi mode. */ #define SC_SCR_EXWROTE 0x00000010 /* Ex overwrite: see comment above. */ #define SC_SCR_REFORMAT 0x00000020 /* Reformat (refresh). */ #define SC_SCR_REDRAW 0x00000040 /* Refresh. */ #define SC_SCR_CENTER 0x00000080 /* Center the line if not visible. */ #define SC_SCR_TOP 0x00000100 /* Top the line if not visible. */ /* Screen/file changes. */ #define SC_EXIT 0x00000200 /* Exiting (not forced). */ #define SC_EXIT_FORCE 0x00000400 /* Exiting (forced). */ #define SC_FSWITCH 0x00000800 /* Switch underlying files. */ #define SC_SSWITCH 0x00001000 /* Switch screens. */ #define SC_ARGNOFREE 0x00002000 /* Argument list wasn't allocated. */ #define SC_ARGRECOVER 0x00004000 /* Argument list is recovery files. */ #define SC_AT_SET 0x00008000 /* Last at buffer set. */ #define SC_COMEDIT 0x00010000 /* Colon command-line edit window. */ #define SC_EX_GLOBAL 0x00020000 /* Ex: executing a global command. */ #define SC_EX_SILENT 0x00040000 /* Ex: batch script. */ #define SC_EX_WAIT_NO 0x00080000 /* Ex: don't wait for the user. */ #define SC_EX_WAIT_YES 0x00100000 /* Ex: do wait for the user. */ #define SC_READONLY 0x00200000 /* Persistent readonly state. */ #define SC_RE_SEARCH 0x00400000 /* Search RE has been compiled. */ #define SC_RE_SUBST 0x00800000 /* Substitute RE has been compiled. */ #define SC_SCRIPT 0x01000000 /* Shell script window. */ #define SC_STATUS 0x02000000 /* Welcome message. */ #define SC_STATUS_CNT 0x04000000 /* Welcome message plus file count. */ #define SC_TINPUT 0x08000000 /* Doing text input. */ #define SC_TINPUT_INFO 0x10000000 /* Doing text input on info line. */ u_int32_t flags; };
