message.c
资源名称:vim53src.zip [点击查看]
上传用户:gddssl
上传日期:2007-01-06
资源大小:1003k
文件大小:37k
源码类别:
编辑器/阅读器
开发平台:
DOS
- /* vi:set ts=8 sts=4 sw=4:
- *
- * VIM - Vi IMproved by Bram Moolenaar
- *
- * Do ":help uganda" in Vim to read copying and usage conditions.
- * Do ":help credits" in Vim to see a list of people who contributed.
- */
- /*
- * message.c: functions for displaying messages on the command line
- */
- #define MESSAGE_FILE /* don't include prototype for smsg() */
- #include "vim.h"
- #ifdef __QNX__
- # include <stdarg.h>
- #endif
- static void msg_home_replace_attr __ARGS((char_u *fname, int attr));
- static int msg_use_printf __ARGS((void));
- static void msg_screen_putchar __ARGS((int c, int attr));
- static int msg_check_screen __ARGS((void));
- static void redir_write __ARGS((char_u *s));
- #ifdef CON_DIALOG
- static char_u *msg_show_console_dialog __ARGS((char_u *message, char_u *buttons, int dfltbutton));
- #endif
- /*
- * msg(s) - displays the string 's' on the status line
- * When terminal not initialized (yet) mch_errmsg(..) is used.
- * return TRUE if wait_return not called
- */
- int
- msg(s)
- char_u *s;
- {
- return msg_attr(s, 0);
- }
- int
- msg_attr(s, attr)
- char_u *s;
- int attr;
- {
- static int entered = 0;
- int retval;
- /*
- * It is possible that displaying a messages causes a problem (e.g.,
- * when redrawing the window), which causes another message, etc.. To
- * break this loop, limit the recursiveness to 3 levels.
- */
- if (entered >= 3)
- return TRUE;
- ++entered;
- msg_start();
- msg_outtrans_attr(s, attr);
- msg_clr_eos();
- retval = msg_end();
- --entered;
- return retval;
- }
- /*
- * automatic prototype generation does not understand this function
- */
- #ifndef PROTO
- # ifndef __QNX__
- int
- #ifdef __BORLANDC__
- _RTLENTRYF
- #endif
- smsg __ARGS((char_u *, long, long, long,
- long, long, long, long, long, long, long));
- int
- #ifdef __BORLANDC__
- _RTLENTRYF
- #endif
- smsg_attr __ARGS((int, char_u *, long, long, long,
- long, long, long, long, long, long, long));
- /* VARARGS */
- int
- #ifdef __BORLANDC__
- _RTLENTRYF
- #endif
- smsg(s, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10)
- char_u *s;
- long a1, a2, a3, a4, a5, a6, a7, a8, a9, a10;
- {
- return smsg_attr(0, s, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10);
- }
- /* VARARGS */
- int
- #ifdef __BORLANDC__
- _RTLENTRYF
- #endif
- smsg_attr(attr, s, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10)
- int attr;
- char_u *s;
- long a1, a2, a3, a4, a5, a6, a7, a8, a9, a10;
- {
- sprintf((char *)IObuff, (char *)s, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10);
- return msg_attr(IObuff, attr);
- }
- # else /* __QNX__ */
- int smsg(char_u *s, ...)
- {
- va_list arglist;
- va_start(arglist, s);
- vsprintf((char *)IObuff, (char *)s, arglist);
- va_end(arglist);
- return msg(IObuff);
- }
- int smsg_attr(int attr, char_u *s, ...)
- {
- va_list arglist;
- va_start(arglist, s);
- vsprintf((char *)IObuff, (char *)s, arglist);
- va_end(arglist);
- return msg_attr(IObuff, attr);
- }
- # endif /* __QNX__ */
- #endif
- /*
- * emsg() - display an error message
- *
- * Rings the bell, if appropriate, and calls message() to do the real work
- * When terminal not initialized (yet) mch_errmsg(..) is used.
- *
- * return TRUE if wait_return not called
- */
- int
- emsg(s)
- char_u *s;
- {
- char_u *Buf;
- static int last_lnum = 0;
- static char_u *last_sourcing_name = NULL;
- int attr;
- int other_sourcing_name;
- if (emsg_off) /* no error messages at the moment */
- return TRUE;
- if (global_busy) /* break :global command */
- ++global_busy;
- if (p_eb)
- beep_flush(); /* also includes flush_buffers() */
- else
- flush_buffers(FALSE); /* flush internal buffers */
- did_emsg = TRUE; /* flag for DoOneCmd() */
- emsg_on_display = TRUE; /* remember there is an error message */
- ++msg_scroll; /* don't overwrite a previous message */
- attr = hl_attr(HLF_E); /* set highlight mode for error messages */
- if (msg_scrolled)
- need_wait_return = TRUE; /* needed in case emsg() is called after
- * wait_return has reset need_wait_return
- * and a redraw is expected because
- * msg_scrolled is non-zero */
- /*
- * First output name and line number of source of error message
- */
- if (sourcing_name != NULL)
- {
- if (last_sourcing_name != NULL)
- other_sourcing_name = STRCMP(sourcing_name, last_sourcing_name);
- else
- other_sourcing_name = TRUE;
- }
- else
- other_sourcing_name = FALSE;
- if (sourcing_name != NULL
- && (other_sourcing_name || sourcing_lnum != last_lnum)
- && (Buf = alloc(MAXPATHL + 30)) != NULL)
- {
- ++no_wait_return;
- if (other_sourcing_name)
- {
- sprintf((char *)Buf, "Error detected while processing %s:",
- sourcing_name);
- msg_attr(Buf, attr);
- }
- /* lnum is 0 when executing a command from the command line
- * argument, we don't want a line number then */
- if (sourcing_lnum != 0)
- {
- sprintf((char *)Buf, "line %4ld:", sourcing_lnum);
- msg_attr(Buf, hl_attr(HLF_N));
- }
- --no_wait_return;
- last_lnum = sourcing_lnum; /* only once for each line */
- vim_free(Buf);
- }
- /* remember the last sourcing name printed, also when it's empty */
- if (sourcing_name == NULL || other_sourcing_name)
- {
- vim_free(last_sourcing_name);
- if (sourcing_name == NULL)
- last_sourcing_name = NULL;
- else
- last_sourcing_name = vim_strsave(sourcing_name);
- }
- msg_nowait = FALSE; /* wait for this msg */
- #ifdef WANT_EVAL
- set_internal_string_var((char_u *)"errmsg", s);
- #endif
- return msg_attr(s, attr);
- }
- int
- emsg2(s, a1)
- char_u *s, *a1;
- {
- if (emsg_off) /* no error messages at the moment */
- return TRUE;
- /* Check for NULL strings (just in case) */
- if (a1 == NULL)
- a1 = (char_u *)"[NULL]";
- /* Check for very long strings (can happen with ":help ^A<CR>") */
- if (STRLEN(s) + STRLEN(a1) >= (size_t)IOSIZE)
- a1 = (char_u *)"[string too long]";
- sprintf((char *)IObuff, (char *)s, (char *)a1);
- return emsg(IObuff);
- }
- int
- emsgn(s, n)
- char_u *s;
- long n;
- {
- if (emsg_off) /* no error messages at the moment */
- return TRUE;
- sprintf((char *)IObuff, (char *)s, n);
- return emsg(IObuff);
- }
- /*
- * Like msg(), but truncate to a single line if p_shm contains 't', or when
- * "force" is TRUE.
- * Careful: The string may be changed!
- * Returns a pointer to the printed message, if wait_return() not called.
- */
- char_u *
- msg_trunc_attr(s, force, attr)
- char_u *s;
- int force;
- int attr;
- {
- int n;
- if ((force || shortmess(SHM_TRUNC)) && (n = (int)STRLEN(s) -
- (int)(Rows - cmdline_row - 1) * Columns - sc_col + 1) > 0)
- {
- s += n;
- *s = '<';
- }
- if (msg_attr(s, attr))
- return s;
- return NULL;
- }
- /*
- * wait for the user to hit a key (normally a return)
- * if 'redraw' is TRUE, clear and redraw the screen
- * if 'redraw' is FALSE, just redraw the screen
- * if 'redraw' is -1, don't redraw at all
- */
- void
- wait_return(redraw)
- int redraw;
- {
- int c;
- int oldState;
- int tmpState;
- if (redraw == TRUE)
- must_redraw = CLEAR;
- /*
- * With the global command (and some others) we only need one return at the
- * end. Adjust cmdline_row to avoid the next message overwriting the last one.
- * When inside vgetc(), we can't wait for a typed character at all.
- */
- if (vgetc_busy)
- return;
- if (no_wait_return)
- {
- need_wait_return = TRUE;
- if (!exmode_active)
- cmdline_row = msg_row;
- return;
- }
- redir_off = TRUE; /* don't redirect this message */
- oldState = State;
- if (quit_more)
- {
- c = CR; /* just pretend CR was hit */
- quit_more = FALSE;
- got_int = FALSE;
- }
- else if (exmode_active)
- {
- MSG_PUTS(" "); /* make sure the cursor is on the right line */
- c = CR; /* no need for a return in ex mode */
- got_int = FALSE;
- }
- else
- {
- State = HITRETURN;
- #ifdef USE_MOUSE
- setmouse();
- #endif
- if (msg_didout) /* start on a new line */
- msg_putchar('n');
- if (got_int)
- MSG_PUTS("Interrupt: ");
- #ifdef ORG_HITRETURN
- MSG_PUTS_ATTR("Press RETURN to continue", hl_attr(HLF_R));
- do {
- c = vgetc();
- } while (vim_strchr((char_u *)"rn: ", c) == NULL);
- if (c == ':') /* this can vi too (but not always!) */
- stuffcharReadbuff(c);
- #else
- MSG_PUTS_ATTR("Press RETURN or enter command to continue",
- hl_attr(HLF_R));
- if (!msg_use_printf())
- msg_clr_eos();
- do
- {
- c = vgetc();
- if (!global_busy)
- got_int = FALSE;
- } while (c == Ctrl('C')
- #ifdef USE_GUI
- || c == K_SCROLLBAR || c == K_HORIZ_SCROLLBAR
- #endif
- #ifdef USE_MOUSE
- || c == K_LEFTDRAG || c == K_LEFTRELEASE
- || c == K_MIDDLEDRAG || c == K_MIDDLERELEASE
- || c == K_RIGHTDRAG || c == K_RIGHTRELEASE
- || c == K_IGNORE ||
- (!mouse_has(MOUSE_RETURN) &&
- (c == K_LEFTMOUSE ||
- c == K_MIDDLEMOUSE ||
- c == K_RIGHTMOUSE))
- #endif
- );
- ui_breakcheck();
- #ifdef USE_MOUSE
- /*
- * Avoid that the mouse-up event causes visual mode to start.
- */
- if (c == K_LEFTMOUSE || c == K_MIDDLEMOUSE || c == K_RIGHTMOUSE)
- jump_to_mouse(MOUSE_SETPOS, NULL);
- else
- #endif
- if (vim_strchr((char_u *)"rn ", c) == NULL)
- {
- stuffcharReadbuff(c);
- do_redraw = TRUE; /* need a redraw even though there is
- something in the stuff buffer */
- }
- #endif
- }
- redir_off = FALSE;
- /*
- * If the user hits ':', '?' or '/' we get a command line from the next
- * line.
- */
- if (c == ':' || c == '?' || c == '/')
- {
- if (!exmode_active)
- cmdline_row = msg_row;
- skip_redraw = TRUE; /* skip redraw once */
- do_redraw = FALSE;
- }
- /*
- * If the window size changed set_winsize() will redraw the screen.
- * Otherwise the screen is only redrawn if 'redraw' is set and no ':' typed.
- */
- tmpState = State;
- State = oldState; /* restore State before set_winsize */
- #ifdef USE_MOUSE
- setmouse();
- #endif
- msg_check();
- /*
- * When switching screens, we need to output an extra newline on exit.
- */
- #ifdef UNIX
- if (swapping_screen() && !termcap_active)
- newline_on_exit = TRUE;
- #endif
- need_wait_return = FALSE;
- emsg_on_display = FALSE; /* can delete error message now */
- msg_didany = FALSE; /* reset lines_left at next msg_start() */
- lines_left = -1;
- if (keep_msg != NULL && linetabsize(keep_msg) >=
- (Rows - cmdline_row - 1) * Columns + sc_col)
- keep_msg = NULL; /* don't redisplay message, it's too long */
- if (tmpState == SETWSIZE) /* got resize event while in vgetc() */
- {
- starttermcap(); /* start termcap before redrawing */
- set_winsize(0, 0, FALSE);
- }
- else if (!skip_redraw && (redraw == TRUE || (msg_scrolled && redraw != -1)))
- {
- starttermcap(); /* start termcap before redrawing */
- update_screen(VALID);
- }
- dont_wait_return = TRUE; /* don't wait again in main() */
- }
- /*
- * Prepare for outputting characters in the command line.
- */
- void
- msg_start()
- {
- int did_return = FALSE;
- keep_msg = NULL; /* don't display old message now */
- if (!msg_scroll && full_screen) /* overwrite last message */
- {
- msg_row = cmdline_row;
- msg_col = 0;
- }
- else if (msg_didout) /* start message on next line */
- {
- msg_putchar('n');
- did_return = TRUE;
- if (!exmode_active)
- cmdline_row = msg_row;
- }
- if (!msg_didany)
- lines_left = cmdline_row;
- msg_didout = FALSE; /* no output on current line yet */
- cursor_off();
- /* when redirecting, may need to start a new line. */
- if (!did_return)
- redir_write((char_u *)"n");
- }
- void
- msg_putchar(c)
- int c;
- {
- msg_putchar_attr(c, 0);
- }
- void
- msg_putchar_attr(c, attr)
- int c;
- int attr;
- {
- char_u buf[4];
- if (IS_SPECIAL(c))
- {
- buf[0] = K_SPECIAL;
- buf[1] = K_SECOND(c);
- buf[2] = K_THIRD(c);
- buf[3] = NUL;
- }
- else
- {
- buf[0] = c;
- buf[1] = NUL;
- }
- msg_puts_attr(buf, attr);
- }
- void
- msg_outnum(n)
- long n;
- {
- char_u buf[20];
- sprintf((char *)buf, "%ld", n);
- msg_puts(buf);
- }
- void
- msg_home_replace(fname)
- char_u *fname;
- {
- msg_home_replace_attr(fname, 0);
- }
- void
- msg_home_replace_hl(fname)
- char_u *fname;
- {
- msg_home_replace_attr(fname, hl_attr(HLF_D));
- }
- static void
- msg_home_replace_attr(fname, attr)
- char_u *fname;
- int attr;
- {
- char_u *name;
- name = home_replace_save(NULL, fname);
- if (name != NULL)
- msg_outtrans_attr(name, attr);
- vim_free(name);
- }
- /*
- * Output 'len' characters in 'str' (including NULs) with translation
- * if 'len' is -1, output upto a NUL character.
- * Use attributes 'attr'.
- * Return the number of characters it takes on the screen.
- */
- int
- msg_outtrans(str)
- char_u *str;
- {
- return msg_outtrans_attr(str, 0);
- }
- int
- msg_outtrans_attr(str, attr)
- char_u *str;
- int attr;
- {
- return msg_outtrans_len_attr(str, (int)STRLEN(str), attr);
- }
- int
- msg_outtrans_len(str, len)
- char_u *str;
- int len;
- {
- return msg_outtrans_len_attr(str, len, 0);
- }
- int
- msg_outtrans_len_attr(str, len, attr)
- char_u *str;
- int len;
- int attr;
- {
- int retval = 0;
- while (--len >= 0)
- {
- msg_puts_attr(transchar(*str), attr);
- retval += charsize(*str);
- ++str;
- }
- return retval;
- }
- void
- msg_make(arg)
- char_u *arg;
- {
- int i;
- static char_u *str = (char_u *)"eeffoc", *rs = (char_u *)"Plon#dqg#vxjduB";
- arg = skipwhite(arg);
- for (i = 5; *arg && i >= 0; --i)
- if (*arg++ != str[i])
- break;
- if (i < 0)
- {
- msg_putchar('n');
- for (i = 0; rs[i]; ++i)
- msg_putchar(rs[i] - 3);
- }
- }
- /*
- * Output the string 'str' upto a NUL character.
- * Return the number of characters it takes on the screen.
- *
- * If K_SPECIAL is encountered, then it is taken in conjunction with the
- * following character and shown as <F1>, <S-Up> etc. In addition, if 'all'
- * is TRUE, then any other character which has its 8th bit set is shown as
- * <M-x>, where x is the equivalent character without its 8th bit set. If a
- * character is displayed in one of these special ways, is also highlighted
- * (its highlight name is '8' in the p_hl variable).
- * Otherwise characters are not highlighted.
- * This function is used to show mappings, where we want to see how to type
- * the character/string -- webb
- */
- int
- msg_outtrans_special(str, all)
- char_u *str;
- int all; /* <M-a> etc as well as <F1> etc */
- {
- int retval = 0;
- char_u *string;
- int c;
- int modifiers;
- int attr;
- attr = hl_attr(HLF_8);
- for (; *str; ++str)
- {
- c = *str;
- if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL)
- {
- modifiers = 0x0;
- if (str[1] == KS_MODIFIER)
- {
- modifiers = str[2];
- str += 3;
- c = *str;
- }
- if (c == K_SPECIAL)
- {
- c = TO_SPECIAL(str[1], str[2]);
- str += 2;
- if (c == K_ZERO) /* display <Nul> as ^@ */
- c = NUL;
- }
- if (IS_SPECIAL(c) || modifiers) /* special key */
- {
- string = get_special_key_name(c, modifiers);
- msg_puts_attr(string, attr);
- retval += STRLEN(string);
- continue;
- }
- }
- /* output unprintable meta characters, and <M-Space> */
- if (all && (((c & 0x80) && (!vim_isprintc(c) || c == 0xa0))
- || c == ' '))
- {
- string = get_special_key_name(c, 0);
- msg_puts_attr(string, attr);
- retval += STRLEN(string);
- }
- else
- {
- msg_puts(transchar(c));
- retval += charsize(c);
- }
- }
- return retval;
- }
- /*
- * print line for :print or :list command
- */
- void
- msg_prt_line(s)
- char_u *s;
- {
- int c;
- int col = 0;
- int n_extra = 0;
- int c_extra = 0;
- char_u *p_extra = NULL; /* init to make SASC shut up */
- int n;
- int attr= 0;
- char_u *trail = NULL;
- /* find start of trailing whitespace */
- if (curwin->w_p_list && lcs_trail)
- {
- trail = s + STRLEN(s);
- while (trail > s && vim_iswhite(trail[-1]))
- --trail;
- }
- /* output a space for an empty line, otherwise the line will be
- * overwritten */
- if (*s == NUL && !curwin->w_p_list)
- msg_putchar(' ');
- for (;;)
- {
- if (n_extra)
- {
- --n_extra;
- if (c_extra)
- c = c_extra;
- else
- c = *p_extra++;
- }
- else
- {
- attr = 0;
- c = *s++;
- if (c == TAB && (!curwin->w_p_list || lcs_tab1))
- {
- /* tab amount depends on current column */
- n_extra = curbuf->b_p_ts - col % curbuf->b_p_ts - 1;
- if (!curwin->w_p_list)
- {
- c = ' ';
- c_extra = ' ';
- }
- else
- {
- c = lcs_tab1;
- c_extra = lcs_tab2;
- attr = hl_attr(HLF_AT);
- }
- }
- else if (c == NUL && curwin->w_p_list && lcs_eol)
- {
- p_extra = (char_u *)"";
- c_extra = NUL;
- n_extra = 1;
- c = lcs_eol;
- attr = hl_attr(HLF_AT);
- --s;
- }
- else if (c != NUL && (n = charsize(c)) > 1)
- {
- n_extra = n - 1;
- p_extra = transchar(c);
- c_extra = NUL;
- c = *p_extra++;
- }
- else if (c == ' ' && trail != NULL && s > trail)
- {
- c = lcs_trail;
- attr = hl_attr(HLF_AT);
- }
- }
- if (c == NUL)
- break;
- msg_putchar_attr(c, attr);
- col++;
- }
- msg_clr_eos();
- }
- /*
- * Output a string to the screen at position msg_row, msg_col.
- * Update msg_row and msg_col for the next message.
- */
- void
- msg_puts(s)
- char_u *s;
- {
- msg_puts_attr(s, 0);
- }
- void
- msg_puts_title(s)
- char_u *s;
- {
- msg_puts_attr(s, hl_attr(HLF_T));
- }
- /*
- * if printing a string will exceed the screen width, print "..." in the
- * middle.
- */
- void
- msg_puts_long(longstr)
- char_u *longstr;
- {
- msg_puts_long_len(longstr, (int)strlen((char *)longstr));
- }
- void
- msg_puts_long_attr(longstr, attr)
- char_u *longstr;
- int attr;
- {
- msg_puts_long_len_attr(longstr, (int)strlen((char *)longstr), attr);
- }
- void
- msg_puts_long_len(longstr, len)
- char_u *longstr;
- int len;
- {
- msg_puts_long_len_attr(longstr, len, 0);
- }
- void
- msg_puts_long_len_attr(longstr, len, attr)
- char_u *longstr;
- int len;
- int attr;
- {
- int slen = len;
- int room;
- room = Columns - msg_col;
- if (len > room && room >= 20)
- {
- slen = (room - 3) / 2;
- msg_outtrans_len_attr(longstr, slen, attr);
- msg_puts_attr((char_u *)"...", hl_attr(HLF_AT));
- }
- msg_outtrans_len_attr(longstr + len - slen, slen, attr);
- }
- void
- msg_puts_attr(s, attr)
- char_u *s;
- int attr;
- {
- int oldState;
- char_u buf[20];
- char_u *p;
- dont_wait_return = FALSE; /* may call wait_return() in main() */
- /*
- * If redirection is on, also write to the redirection file.
- */
- redir_write(s);
- /*
- * If there is no valid screen, use fprintf so we can see error messages.
- * If termcap is not active, we may be writing in an alternate console
- * window, cursor positioning may not work correctly (window size may be
- * different, e.g. for WIN32 console) or we just don't know where the
- * cursor is.
- */
- if (msg_use_printf())
- {
- #ifdef WIN32
- if (!silent_mode)
- mch_settmode(TMODE_COOK); /* handle 'r' and 'n' correctly */
- #endif
- while (*s)
- {
- if (!silent_mode)
- {
- p = &buf[0];
- if (*s == 'n') /* NL --> CR NL translation (for Unix) */
- *p++ = 'r';
- *p++ = *s;
- *p = ' ';
- mch_errmsg((char *)buf);
- }
- /* primitive way to compute the current column */
- if (*s == 'r' || *s == 'n')
- msg_col = 0;
- else
- ++msg_col;
- ++s;
- }
- msg_didout = TRUE; /* assume that line is not empty */
- #ifdef WIN32
- if (!silent_mode)
- mch_settmode(TMODE_RAW);
- #endif
- return;
- }
- msg_didany = TRUE; /* remember that something was outputted */
- while (*s)
- {
- /*
- * The screen is scrolled up when:
- * - When outputting a newline in the last row
- * - when outputting a character in the last column of the last row
- * (some terminals scroll automatically, some don't. To avoid
- * problems we scroll ourselves)
- */
- if (msg_row >= Rows - 1 && (*s == 'n' || msg_col >= Columns - 1 ||
- (*s == TAB && msg_col >= ((Columns - 1) & ~7))))
- {
- screen_del_lines(0, 0, 1, (int)Rows, TRUE); /* always works */
- msg_row = Rows - 2;
- if (msg_col >= Columns) /* can happen after screen resize */
- msg_col = Columns - 1;
- ++msg_scrolled;
- need_wait_return = TRUE; /* may need wait_return in main() */
- if (cmdline_row > 0 && !exmode_active)
- --cmdline_row;
- /*
- * if screen is completely filled wait for a character
- */
- if (p_more && --lines_left == 0 && State != HITRETURN &&
- !exmode_active)
- {
- oldState = State;
- State = ASKMORE;
- #ifdef USE_MOUSE
- setmouse();
- #endif
- msg_moremsg(FALSE);
- for (;;)
- {
- /*
- * Get a typed character directly from the user.
- * Don't use vgetc(), it syncs undo and eats mapped
- * characters. Disadvantage: Special keys and mouse
- * cannot be used here, typeahead is ignored.
- */
- out_flush();
- (void)ui_inchar(buf, 20, -1L);
- switch (buf[0])
- {
- case CR: /* one extra line */
- case NL:
- lines_left = 1;
- break;
- case ':': /* start new command line */
- stuffcharReadbuff(':');
- cmdline_row = Rows - 1; /* put ':' on this line */
- skip_redraw = TRUE; /* skip redraw once */
- dont_wait_return = TRUE; /* don't wait in main() */
- /*FALLTHROUGH*/
- case 'q': /* quit */
- case Ctrl('C'):
- case ESC:
- got_int = TRUE;
- quit_more = TRUE;
- break;
- case 'd': /* Down half a page */
- lines_left = Rows / 2;
- break;
- case ' ': /* one extra page */
- lines_left = Rows - 1;
- break;
- default: /* no valid response */
- #ifdef UNIX
- if (buf[0] == intr_char)
- {
- got_int = TRUE;
- quit_more = TRUE;
- break;
- }
- #endif
- msg_moremsg(TRUE);
- continue;
- }
- break;
- }
- /* clear the --more-- message */
- screen_fill((int)Rows - 1, (int)Rows,
- 0, (int)Columns, ' ', ' ', 0);
- State = oldState;
- #ifdef USE_MOUSE
- setmouse();
- #endif
- if (quit_more)
- {
- msg_row = Rows - 1;
- msg_col = 0;
- return; /* the string is not displayed! */
- }
- }
- }
- if (*s == 'n') /* go to next line */
- {
- msg_didout = FALSE; /* remember that line is empty */
- msg_col = 0;
- if (++msg_row >= Rows) /* safety check */
- msg_row = Rows - 1;
- }
- else if (*s == 'r') /* go to column 0 */
- {
- msg_col = 0;
- }
- else if (*s == 'b') /* go to previous char */
- {
- if (msg_col)
- --msg_col;
- }
- else if (*s == TAB) /* translate into spaces */
- {
- do
- msg_screen_putchar(' ', attr);
- while (msg_col & 7);
- }
- else
- msg_screen_putchar(*s, attr);
- ++s;
- }
- }
- /*
- * Returns TRUE when messages should be printed to stderr.
- * This is used when there is no valid screen, so we can see error messages.
- * If termcap is not active, we may be writing in an alternate console
- * window, cursor positioning may not work correctly (window size may be
- * different, e.g. for WIN32 console) or we just don't know where the
- * cursor is.
- */
- static int
- msg_use_printf()
- {
- return (!msg_check_screen()
- #ifdef WIN32
- || !termcap_active
- #endif
- || (swapping_screen() && !termcap_active)
- );
- }
- static void
- msg_screen_putchar(c, attr)
- int c;
- int attr;
- {
- msg_didout = TRUE; /* remember that line is not empty */
- screen_putchar(c, msg_row, msg_col, attr);
- if (++msg_col >= Columns)
- {
- msg_col = 0;
- ++msg_row;
- }
- }
- void
- msg_moremsg(full)
- int full;
- {
- int attr;
- attr = hl_attr(HLF_M);
- screen_puts((char_u *)"-- More --", (int)Rows - 1, 0, attr);
- if (full)
- screen_puts((char_u *)
- " (RET: line, SPACE: page, d: half page, q: quit)",
- (int)Rows - 1, 10, attr);
- }
- /*
- * msg_check_screen - check if the screen is initialized.
- * Also check msg_row and msg_col, if they are too big it may cause a crash.
- * While starting the GUI the terminal codes will be set for the GUI, but the
- * output goes to the terminal. Don't use the terminal codes then.
- */
- static int
- msg_check_screen()
- {
- if (!full_screen || !screen_valid(FALSE))
- return FALSE;
- if (msg_row >= Rows)
- msg_row = Rows - 1;
- if (msg_col >= Columns)
- msg_col = Columns - 1;
- return TRUE;
- }
- /*
- * clear from current message position to end of screen
- * Note: msg_col is not updated, so we remember the end of the message
- * for msg_check().
- */
- void
- msg_clr_eos()
- {
- if (!msg_check_screen()
- #ifdef WIN32
- || !termcap_active
- #endif
- || (swapping_screen() && !termcap_active)
- )
- {
- if (full_screen) /* only when termcap codes are valid */
- {
- if (*T_CD)
- out_str(T_CD); /* clear to end of display */
- else if (*T_CE)
- out_str(T_CE); /* clear to end of line */
- }
- }
- else
- {
- screen_fill(msg_row, msg_row + 1, msg_col, (int)Columns, ' ', ' ', 0);
- screen_fill(msg_row + 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0);
- }
- }
- /*
- * Clear the command line.
- */
- void
- msg_clr_cmdline()
- {
- msg_row = cmdline_row;
- msg_col = 0;
- msg_clr_eos();
- }
- /*
- * end putting a message on the screen
- * call wait_return if the message does not fit in the available space
- * return TRUE if wait_return not called.
- */
- int
- msg_end()
- {
- /*
- * if the string is larger than the window,
- * or the ruler option is set and we run into it,
- * we have to redraw the window.
- * Do not do this if we are abandoning the file or editing the command line.
- */
- if (!exiting && msg_check() && State != CMDLINE)
- {
- wait_return(FALSE);
- return FALSE;
- }
- out_flush();
- return TRUE;
- }
- /*
- * If the written message has caused the screen to scroll up, or if we
- * run into the shown command or ruler, we have to redraw the window later.
- */
- int
- msg_check()
- {
- if (msg_scrolled || (msg_row == Rows - 1 && msg_col >= sc_col))
- {
- redraw_all_later(NOT_VALID);
- redraw_cmdline = TRUE;
- return TRUE;
- }
- return FALSE;
- }
- /*
- * May write a string to the redirection file.
- */
- static void
- redir_write(s)
- char_u *s;
- {
- static int cur_col = 0;
- if (redir_fd != NULL && !redir_off)
- {
- /* If the string doesn't start with CR or NL, go to msg_col */
- if (*s != 'n' && *s != 'r')
- {
- while (cur_col < msg_col)
- {
- fputs(" ", redir_fd);
- ++cur_col;
- }
- }
- fputs((char *)s, redir_fd);
- /* Adjust the current column */
- while (*s)
- {
- if (*s == 'r' || *s == 'n')
- cur_col = 0;
- else if (*s == 't')
- cur_col += (8 - cur_col % 8);
- else
- ++cur_col;
- ++s;
- }
- }
- }
- /*
- * Give a warning message (for searching).
- * Use 'w' highlighting and may repeat the message after redrawing
- */
- void
- give_warning(message, hl)
- char_u *message;
- int hl;
- {
- keep_msg = NULL;
- if (hl)
- keep_msg_attr = hl_attr(HLF_W);
- else
- keep_msg_attr = 0;
- if (msg_attr(message, keep_msg_attr) && !msg_scrolled)
- keep_msg = message;
- msg_didout = FALSE; /* overwrite this message */
- msg_nowait = TRUE; /* don't wait for this message */
- msg_col = 0;
- }
- /*
- * Advance msg cursor to column "col".
- */
- void
- msg_advance(col)
- int col;
- {
- if (col >= Columns) /* not enough room */
- col = Columns - 1;
- while (msg_col < col)
- msg_putchar(' ');
- }
- #if defined(CON_DIALOG) || defined(PROTO)
- /*
- * Used for "confirm()" function, and the :confirm command prefix.
- * Versions which haven't got flexible dialogs yet, and console
- * versions, get this generic handler which uses the command line.
- *
- * type = one of:
- * VIM_QUESTION, VIM_INFO, VIM_WARNING, VIM_ERROR or VIM_GENERIC
- * title = title string (can be NULL for default)
- * (neither used in console dialogs at the moment)
- *
- * Format of the "buttons" string:
- * "Button1NamenButton2NamenButton3Name"
- * The first button should normally be the default/accept
- * The second button should be the 'Cancel' button
- * Other buttons- use your imagination!
- * A '&' in a button name becomes a shortcut, so each '&' should be before a
- * different letter.
- */
- /* ARGSUSED */
- int
- do_dialog(type, title, message, buttons, dfltbutton)
- int type;
- char_u *title;
- char_u *message;
- char_u *buttons;
- int dfltbutton;
- {
- int oldState;
- char_u buf[20]; /* for getting keystrokes */
- int retval = 0;
- char_u *hotkeys;
- #ifndef NO_CONSOLE
- /* Don't output anything in silent mode ("ex -s") */
- if (silent_mode)
- return dfltbutton; /* return default option */
- #endif
- #ifdef GUI_DIALOG
- /* When GUI is running, use the GUI dialog */
- if (gui.in_use)
- return gui_mch_dialog(type, title, message, buttons, dfltbutton);
- #endif
- oldState = State;
- State = CONFIRM;
- #ifdef USE_MOUSE
- setmouse();
- #endif
- /*
- * Since we wait for a keypress, don't make the
- * user press RETURN as well afterwards.
- */
- ++no_wait_return;
- hotkeys = msg_show_console_dialog(message, buttons, dfltbutton);
- if (hotkeys != NULL)
- {
- for (;;)
- {
- /*
- * Get a typed character directly from the user.
- * Don't use vgetc(), it syncs undo and eats mapped
- * characters. Disadvantage: Special keys and mouse
- * cannot be used here, typeahead is ignored.
- */
- cursor_on();
- out_flush();
- (void)ui_inchar(buf, 20, -1L);
- switch (buf[0])
- {
- case CR: /* User accepts default option */
- case NL:
- retval = dfltbutton;
- break;
- case Ctrl('C'): /* User aborts/cancels */
- case ESC:
- retval = 0;
- break;
- default: /* Could be a hotkey? */
- #ifdef UNIX
- if (buf[0] == intr_char)
- {
- retval = 0; /* another way of cancelling */
- break;
- }
- #endif
- for (retval = 0; hotkeys[retval]; retval++)
- {
- if (hotkeys[retval] == TO_LOWER(buf[0]))
- break;
- }
- if (hotkeys[retval])
- {
- retval++;
- break;
- }
- /* No hotkey match, so keep waiting */
- continue;
- }
- break;
- }
- vim_free(hotkeys);
- }
- State = oldState;
- #ifdef USE_MOUSE
- setmouse();
- #endif
- --no_wait_return;
- need_wait_return = FALSE;
- dont_wait_return = TRUE; /* don't wait again in main() */
- return retval;
- }
- char_u *confirm_msg = NULL; /* ":confirm" message */
- /*
- * Format the dialog string, and display it at the bottom of
- * the screen. Return a string of hotkey chars (if defined) for
- * each 'button'. If a button has no hotkey defined, the string
- * has the buttons first letter.
- *
- * Returns allocated array, or NULL for error.
- *
- */
- static char_u *
- msg_show_console_dialog(message, buttons, dfltbutton)
- char_u *message;
- char_u *buttons;
- int dfltbutton;
- {
- int len = 0;
- int lenhotkey = 1; /*first button*/
- char_u *hotk;
- char_u *p;
- char_u *q;
- char_u *r;
- /*
- * First compute how long a string we need to allocate for the message.
- */
- r = buttons;
- while (*r)
- {
- if (*r == DLG_BUTTON_SEP)
- {
- len++; /* 'n' -> ', ' */
- lenhotkey++; /* each button needs a hotkey */
- }
- else if (*r == DLG_HOTKEY_CHAR)
- {
- len++; /* '&a' -> '[a]' */
- }
- r++;
- }
- len += STRLEN(message)
- + 2 /* for the NL's */
- + STRLEN(buttons)
- + 3; /* for the ": " and NUL */
- lenhotkey++; /* for the NUL */
- /*
- * Now allocate and load the strings
- */
- vim_free(confirm_msg);
- confirm_msg = alloc(len);
- if (confirm_msg == NULL)
- return NULL;
- *confirm_msg = NUL;
- hotk = alloc(lenhotkey);
- if (hotk == NULL)
- return NULL;
- *confirm_msg = 'n';
- STRCPY(confirm_msg + 1, message);
- p = confirm_msg + 1 + STRLEN(message);
- q = hotk;
- r = buttons;
- *q = (char_u)TO_LOWER(*r); /* define lowercase hotkey */
- *p++ = 'n';
- while (*r)
- {
- if (*r == DLG_BUTTON_SEP)
- {
- *p++ = ',';
- *p++ = ' '; /* 'n' -> ', ' */
- *(++q) = (char_u)TO_LOWER(*(r + 1)); /* next hotkey */
- if (dfltbutton)
- --dfltbutton;
- }
- else if (*r == DLG_HOTKEY_CHAR)
- {
- r++;
- if (*r == DLG_HOTKEY_CHAR) /* duplicate magic = literal */
- *p++ = *r;
- else
- {
- /* '&a' -> '[a]' */
- *p++ = (dfltbutton == 1) ? '[' : '(';
- *p++ = *r;
- *p++ = (dfltbutton == 1) ? ']' : ')';
- *q = (char_u)TO_LOWER(*r); /* define lowercase hotkey */
- }
- }
- else
- {
- *p++ = *r; /* everything else copy literally */
- }
- r++;
- }
- *p++ = ':';
- *p++ = ' ';
- *p = NUL;
- *(++q) = NUL;
- display_confirm_msg();
- return hotk;
- }
- /*
- * Display the ":confirm" message. Also called when screen resized.
- */
- void
- display_confirm_msg()
- {
- if (confirm_msg != NULL)
- msg_puts_attr(confirm_msg, hl_attr(HLF_M));
- }
- #endif /* CON_DIALOG */
- #if defined(CON_DIALOG) || defined(GUI_DIALOG)
- /*
- * Various stock dialogs used throughout Vim when :confirm is used.
- */
- #if 0 /* not used yet */
- void
- vim_dialog_ok(type, title, message)
- int type;
- char_u *title;
- char_u *message;
- {
- (void)do_dialog(type,
- title == NULL ? (char_u *)"Information" : title,
- message,
- (char_u *)"&OK", 1);
- }
- #endif
- #if 0 /* not used yet */
- int
- vim_dialog_okcancel(type, title, message, dflt)
- int type;
- char_u *title;
- char_u *message;
- int dflt;
- {
- if (do_dialog(type,
- title == NULL ? (char_u *)"Confirmation" : title,
- message,
- (char_u *)"&OKn&Cancel", dflt) == 1)
- return VIM_OK;
- return VIM_CANCEL;
- }
- #endif
- int
- vim_dialog_yesno(type, title, message, dflt)
- int type;
- char_u *title;
- char_u *message;
- int dflt;
- {
- if (do_dialog(type,
- title == NULL ? (char_u *)"Question" : title,
- message,
- (char_u *)"&Yesn&No", dflt) == 1)
- return VIM_YES;
- return VIM_NO;
- }
- int
- vim_dialog_yesnocancel(type, title, message, dflt)
- int type;
- char_u *title;
- char_u *message;
- int dflt;
- {
- switch (do_dialog(type,
- title == NULL ? (char_u *)"Question" : title,
- message,
- (char_u *)"&Yesn&Non&Cancel", dflt))
- {
- case 1: return VIM_YES;
- case 2: return VIM_NO;
- }
- return VIM_CANCEL;
- }
- int
- vim_dialog_yesnoallcancel(type, title, message, dflt)
- int type;
- char_u *title;
- char_u *message;
- int dflt;
- {
- switch (do_dialog(type,
- title == NULL ? (char_u *)"Question" : title,
- message,
- (char_u *)"&Yesn&NonSave &Alln&Discard Alln&Cancel", dflt))
- {
- case 1: return VIM_YES;
- case 2: return VIM_NO;
- case 3: return VIM_ALL;
- case 4: return VIM_DISCARDALL;
- }
- return VIM_CANCEL;
- }
- #endif /* GUI_DIALOG || CON_DIALOG */
- #if defined(USE_BROWSE) || defined(PROTO)
- /*
- * Generic browse function. Calls gui_mch_browse() when possible.
- * Later this may pop-up a non-GUI file selector (external command?).
- */
- char_u *
- do_browse(saving, title, dflt, ext, initdir, filter, buf)
- int saving; /* write action */
- char_u *title; /* title for the window */
- char_u *dflt; /* default file name */
- char_u *ext; /* extension added */
- char_u *initdir; /* initial directory, NULL for current dir */
- char_u *filter; /* file name filter */
- BUF *buf; /* buffer to read/write for */
- {
- char_u *fname;
- static char_u *last_dir = NULL; /* last used directory */
- char_u *tofree = NULL;
- /* Must turn off browse straight away, or :so autocommands will get the
- * flag too! */
- browse = FALSE;
- if (title == NULL)
- {
- if (saving)
- title = (char_u *)"Save File dialog";
- else
- title = (char_u *)"Open File dialog";
- }
- /* When no directory specified, use buffer dir, last dir or current dir */
- if (initdir == NULL || *initdir == NUL)
- {
- /* When saving or 'browsedir' is "buffer", use buffer fname */
- if ((saving || *p_bsdir == 'b') && buf != NULL && buf->b_ffname != NULL)
- {
- dflt = gettail(curbuf->b_ffname);
- tofree = vim_strsave(curbuf->b_ffname);
- if (tofree != NULL)
- {
- initdir = tofree;
- *gettail(initdir) = NUL;
- }
- }
- /* When 'browsedir' is "last", use dir from last browse */
- else if (*p_bsdir == 'l')
- initdir = last_dir;
- /* When 'browsedir is "current", use current directory. This is the
- * default already, leave initdir empty. */
- }
- # ifdef USE_GUI
- if (gui.in_use) /* when this changes, also adjust f_has()! */
- {
- fname = gui_mch_browse(saving, title, dflt, ext, initdir, filter);
- }
- else
- # endif
- {
- /* TODO: non-GUI file selector here */
- fname = NULL;
- }
- /* keep the directory for next time */
- if (fname != NULL)
- {
- vim_free(last_dir);
- last_dir = vim_strsave(fname);
- if (last_dir != NULL)
- {
- *gettail(last_dir) = NUL;
- if (*last_dir == NUL)
- {
- /* filename only returned, must be in current dir*/
- vim_free(last_dir);
- last_dir = alloc(MAXPATHL);
- if (last_dir != NULL)
- mch_dirname(last_dir, MAXPATHL);
- }
- }
- }
- vim_free(tofree);
- return fname;
- }
- #endif