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Diffstat (limited to 'src/message.c')
| -rw-r--r-- | src/message.c | 3165 |
1 files changed, 3165 insertions, 0 deletions
diff --git a/src/message.c b/src/message.c new file mode 100644 index 000000000..405ae6e03 --- /dev/null +++ b/src/message.c @@ -0,0 +1,3165 @@ +/* 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. + * See README.txt for an overview of the Vim source code. + */ + +/* + * message.c: functions for displaying messages on the command line + */ + +#define MESSAGE_FILE /* don't include prototype for smsg() */ + +#include "vim.h" + +#ifdef HAVE_STDARG_H +# include <stdarg.h> +#endif + +static void reset_last_sourcing __ARGS((void)); +static char_u *get_emsg_source __ARGS((int other)); +static char_u *get_emsg_lnum __ARGS((int other)); +static void add_msg_hist __ARGS((char_u *s, int len, int attr)); +static void hit_return_msg __ARGS((void)); +static void msg_home_replace_attr __ARGS((char_u *fname, int attr)); +#ifdef FEAT_MBYTE +static char_u *screen_puts_mbyte __ARGS((char_u *s, int l, int attr)); +#endif +static void msg_puts_attr_len __ARGS((char_u *str, int maxlen, int attr)); +static void t_puts __ARGS((int t_col, char_u *t_s, char_u *s, int attr)); +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, int maxlen)); +#ifdef FEAT_CON_DIALOG +static char_u *msg_show_console_dialog __ARGS((char_u *message, char_u *buttons, int dfltbutton)); +static int confirm_msg_used = FALSE; /* displaying confirm_msg */ +static char_u *confirm_msg = NULL; /* ":confirm" message */ +static char_u *confirm_msg_tail; /* tail of confirm_msg */ +#endif + +struct msg_hist +{ + struct msg_hist *next; + char_u *msg; + int attr; +}; + +static struct msg_hist *first_msg_hist = NULL; +static struct msg_hist *last_msg_hist = NULL; +static int msg_hist_len = 0; +static int msg_hist_off = FALSE; /* don't add messages to history */ + +/* + * When writing messages to the screen, there are many different situations. + * A number of variables is used to remember the current state: + * msg_didany TRUE when messages were written since the last time the + * user reacted to a prompt. + * Reset: After hitting a key for the hit-return prompt, + * hitting <CR> for the command line or input(). + * Set: When any message is written to the screen. + * msg_didout TRUE when something was written to the current line. + * Reset: When advancing to the next line, when the current + * text can be overwritten. + * Set: When any message is written to the screen. + * msg_nowait No extra delay for the last drawn message. + * Used in normal_cmd() before the mode message is drawn. + * emsg_on_display There was an error message recently. Indicates that there + * should be a delay before redrawing. + * msg_scroll The next message should not overwrite the current one. + * msg_scrolled How many lines the screen has been scrolled (because of + * messages). Used in update_screen() to scroll the screen + * back. Incremented each time the screen scrolls a line. + * msg_scrolled_ign TRUE when msg_scrolled is non-zero and msg_puts_attr() + * writes something without scrolling should not make + * need_wait_return to be set. This is a hack to make ":ts" + * work without an extra prompt. + * lines_left Number of lines available for messages before the + * more-prompt is to be given. + * need_wait_return TRUE when the hit-return prompt is needed. + * Reset: After giving the hit-return prompt, when the user + * has answered some other prompt. + * Set: When the ruler or typeahead display is overwritten, + * scrolling the screen for some message. + * keep_msg Message to be displayed after redrawing the screen, in + * main_loop(). + * This is an allocated string or NULL when not used. + */ + +/* + * 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_keep(s, 0, FALSE); +} + + int +msg_attr(s, attr) + char_u *s; + int attr; +{ + return msg_attr_keep(s, attr, FALSE); +} + + int +msg_attr_keep(s, attr, keep) + char_u *s; + int attr; + int keep; /* TRUE: set keep_msg if it doesn't scroll */ +{ + static int entered = 0; + int retval; + char_u *buf = NULL; + +#ifdef FEAT_EVAL + if (attr == 0) + set_vim_var_string(VV_STATUSMSG, s, -1); +#endif + + /* + * 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; + + /* Add message to history (unless it's a repeated kept message or a + * truncated message) */ + if (s != keep_msg + || (*s != '<' + && last_msg_hist != NULL + && last_msg_hist->msg != NULL + && STRCMP(s, last_msg_hist->msg))) + add_msg_hist(s, -1, attr); + + /* When displaying keep_msg, don't let msg_start() free it, caller must do + * that. */ + if (s == keep_msg) + keep_msg = NULL; + + /* Truncate the message if needed. */ + buf = msg_strtrunc(s); + if (buf != NULL) + s = buf; + + msg_start(); + msg_outtrans_attr(s, attr); + msg_clr_eos(); + retval = msg_end(); + + if (keep && retval && vim_strsize(s) < (int)(Rows - cmdline_row - 1) + * Columns + sc_col) + { + set_keep_msg(s); + keep_msg_attr = 0; + } + + vim_free(buf); + --entered; + return retval; +} + +/* + * Truncate a string such that it can be printed without causing a scroll. + * Returns an allocated string or NULL when no truncating is done. + */ + char_u * +msg_strtrunc(s) + char_u *s; +{ + char_u *buf = NULL; + int len; + int room; + + /* May truncate message to avoid a hit-return prompt */ + if (!msg_scroll && !need_wait_return && shortmess(SHM_TRUNCALL) + && !exmode_active) + { + len = vim_strsize(s); + room = (int)(Rows - cmdline_row - 1) * Columns + sc_col - 1; + if (len > room && room > 0) + { +#ifdef FEAT_MBYTE + if (enc_utf8) + /* may have up to 18 bytes per cell (6 per char, up to two + * composing chars) */ + buf = alloc((room + 2) * 18); + else if (enc_dbcs == DBCS_JPNU) + /* may have up to 2 bytes per cell for euc-jp */ + buf = alloc((room + 2) * 2); + else +#endif + buf = alloc(room + 2); + if (buf != NULL) + trunc_string(s, buf, room); + } + } + return buf; +} + +/* + * Truncate a string "s" to "buf" with cell width "room". + * "s" and "buf" may be equal. + */ + void +trunc_string(s, buf, room) + char_u *s; + char_u *buf; + int room; +{ + int half; + int len; + int e; + int i; + int n; + + room -= 3; + half = room / 2; + len = 0; + + /* First part: Start of the string. */ + for (e = 0; len < half; ++e) + { + if (s[e] == NUL) + { + /* text fits without truncating! */ + buf[e] = NUL; + return; + } + n = ptr2cells(s + e); + if (len + n >= half) + break; + len += n; + buf[e] = s[e]; +#ifdef FEAT_MBYTE + if (has_mbyte) + for (n = (*mb_ptr2len_check)(s + e); --n > 0; ) + { + ++e; + buf[e] = s[e]; + } +#endif + } + + /* Last part: End of the string. */ + i = e; +#ifdef FEAT_MBYTE + if (enc_dbcs != 0) + { + /* For DBCS going backwards in a string is slow, but + * computing the cell width isn't too slow: go forward + * until the rest fits. */ + n = vim_strsize(s + i); + while (len + n > room) + { + n -= ptr2cells(s + i); + i += (*mb_ptr2len_check)(s + i); + } + } + else if (enc_utf8) + { + /* For UTF-8 we can go backwards easily. */ + i = (int)STRLEN(s); + for (;;) + { + half = i - (*mb_head_off)(s, s + i - 1) - 1; + n = ptr2cells(s + half); + if (len + n > room) + break; + len += n; + i = half; + } + } + else +#endif + { + for (i = (int)STRLEN(s); len + (n = ptr2cells(s + i - 1)) <= room; --i) + len += n; + } + + /* Set the middle and copy the last part. */ + mch_memmove(buf + e, "...", (size_t)3); + mch_memmove(buf + e + 3, s + i, STRLEN(s + i) + 1); +} + +/* + * Automatic prototype generation does not understand this function. + * Note: Caller of smgs() and smsg_attr() must check the resulting string is + * shorter than IOSIZE!!! + */ +#ifndef PROTO +# ifndef HAVE_STDARG_H + +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 /* HAVE_STDARG_H */ + + int +#ifdef __BORLANDC__ +_RTLENTRYF +#endif +smsg(char_u *s, ...) +{ + va_list arglist; + + va_start(arglist, s); +# ifdef HAVE_VSNPRINTF + vsnprintf((char *)IObuff, IOSIZE, (char *)s, arglist); +# else + vsprintf((char *)IObuff, (char *)s, arglist); +# endif + va_end(arglist); + return msg(IObuff); +} + + int +#ifdef __BORLANDC__ +_RTLENTRYF +#endif +smsg_attr(int attr, char_u *s, ...) +{ + va_list arglist; + + va_start(arglist, s); +# ifdef HAVE_VSNPRINTF + vsnprintf((char *)IObuff, IOSIZE, (char *)s, arglist); +# else + vsprintf((char *)IObuff, (char *)s, arglist); +# endif + va_end(arglist); + return msg_attr(IObuff, attr); +} + +# endif /* HAVE_STDARG_H */ +#endif + +/* + * Remember the last sourcing name/lnum used in an error message, so that it + * isn't printed each time when it didn't change. + */ +static int last_sourcing_lnum = 0; +static char_u *last_sourcing_name = NULL; + +/* + * Reset the last used sourcing name/lnum. Makes sure it is displayed again + * for the next error message; + */ + static void +reset_last_sourcing() +{ + vim_free(last_sourcing_name); + last_sourcing_name = NULL; + last_sourcing_lnum = 0; +} + +/* + * Get the message about the source, as used for an error message. + * Returns an allocated string with room for one more character. + * Returns NULL when no message is to be given. + */ + static char_u * +get_emsg_source(other) + int other; /* TRUE when "sourcing_name" differs from last time */ +{ + char_u *Buf, *p; + + if (sourcing_name != NULL && other) + { + p = (char_u *)_("Error detected while processing %s:"); + Buf = alloc((unsigned)(STRLEN(sourcing_name) + STRLEN(p))); + if (Buf != NULL) + sprintf((char *)Buf, (char *)p, sourcing_name); + return Buf; + } + return NULL; +} + +/* + * Get the message about the source lnum, as used for an error message. + * Returns an allocated string with room for one more character. + * Returns NULL when no message is to be given. + */ + static char_u * +get_emsg_lnum(other) + int other; /* TRUE when "sourcing_name" differs from last time */ +{ + char_u *Buf, *p; + + /* lnum is 0 when executing a command from the command line + * argument, we don't want a line number then */ + if (sourcing_name != NULL + && (other || sourcing_lnum != last_sourcing_lnum) + && sourcing_lnum != 0) + { + p = (char_u *)_("line %4ld:"); + Buf = alloc((unsigned)(STRLEN(p) + 20)); + if (Buf != NULL) + sprintf((char *)Buf, (char *)p, (long)sourcing_lnum); + return Buf; + } + return NULL; +} + +/* + * 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; +{ + int attr; + int other_sourcing_name; + char_u *p; +#ifdef FEAT_EVAL + int ignore = FALSE; + int severe; +#endif + + called_emsg = TRUE; + + /* + * If "emsg_severe" is TRUE: When an error exception is to be thrown, prefer + * this message over previous messages for the same command. + */ +#ifdef FEAT_EVAL + severe = emsg_severe; + emsg_severe = FALSE; +#endif + + /* + * If "emsg_off" is set: no error messages at the moment. + * If 'debug' is set: do error message anyway, but without side effects. + * If "emsg_skip" is set: never do error messages. + */ + if ((emsg_off > 0 && *p_debug == NUL) +#ifdef FEAT_EVAL + || emsg_skip > 0 +#endif + ) + return TRUE; + + 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 (!emsg_off) + { +#ifdef FEAT_EVAL + /* + * Cause a throw of an error exception if appropriate. Don't display + * the error message in this case. (If no matching catch clause will + * be found, the message will be displayed later on.) "ignore" is set + * when the message should be ignored completely (used for the + * interrupt message). + */ + if (cause_errthrow(s, severe, &ignore) == TRUE) + { + if (!ignore) + did_emsg = TRUE; + return TRUE; + } + + /* set "v:errmsg", also when using ":silent! cmd" */ + set_vim_var_string(VV_ERRMSG, s, -1); +#endif + + /* + * When using ":silent! cmd" ignore error messsages. + * But do write it to the redirection file. + */ + if (emsg_silent != 0) + { + msg_start(); + p = get_emsg_source(other_sourcing_name); + if (p != NULL) + { + STRCAT(p, "\n"); + redir_write(p, -1); + vim_free(p); + } + p = get_emsg_lnum(other_sourcing_name); + if (p != NULL) + { + STRCAT(p, "\n"); + redir_write(p, -1); + vim_free(p); + } + redir_write(s, -1); + return TRUE; + } + + /* Reset msg_silent, an error causes messages to be switched back on. */ + msg_silent = 0; + cmd_silent = FALSE; + + 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() */ + +#ifdef VIMBUDDY + if (sourcing_name == NULL) + { + VimBuddyText(s, 2); + return TRUE; + } +#endif + } + + 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 */ + + /* + * Display name and line number for the source of the error. + */ + ++no_wait_return; + p = get_emsg_source(other_sourcing_name); + if (p != NULL) + { + msg_attr(p, attr); + vim_free(p); + } + p = get_emsg_lnum(other_sourcing_name); + if (p != NULL) + { + msg_attr(p, hl_attr(HLF_N)); + vim_free(p); + last_sourcing_lnum = sourcing_lnum; /* only once for each line */ + } + --no_wait_return; + + /* 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 */ + + /* + * Display the error message itself. + */ + return msg_attr(s, attr); +} + +/* + * Print an error message with one "%s" and one string argument. + */ + int +emsg2(s, a1) + char_u *s, *a1; +{ + return emsg3(s, a1, NULL); +} + +/* + * Print an error message with one or two "%s" and one or two string arguments. + */ + int +emsg3(s, a1, a2) + char_u *s, *a1, *a2; +{ + if ((emsg_off > 0 && *p_debug == NUL) +#ifdef FEAT_EVAL + || emsg_skip > 0 +#endif + ) + return TRUE; /* no error messages at the moment */ + + /* Check for NULL strings (just in case) */ + if (a1 == NULL) + a1 = (char_u *)"[NULL]"; + if (a2 == NULL) + a2 = (char_u *)"[NULL]"; + + /* Check for very long strings (can happen with ":help ^A<CR>"). */ + if (STRLEN(s) + STRLEN(a1) + STRLEN(a2) >= (size_t)IOSIZE) + a1 = a2 = (char_u *)_("[string too long]"); + + sprintf((char *)IObuff, (char *)s, (char *)a1, (char *)a2); + return emsg(IObuff); +} + +/* + * Print an error message with one "%ld" and one long int argument. + */ + int +emsgn(s, n) + char_u *s; + long n; +{ + if ((emsg_off > 0 && *p_debug == NUL) +#ifdef FEAT_EVAL + || emsg_skip > 0 +#endif + ) + return TRUE; /* no error messages at the moment */ + 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. This truncates in another way as for normal messages. + * Careful: The string may be changed by msg_may_trunc()! + * 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; + + /* Add message to history before truncating */ + add_msg_hist(s, -1, attr); + + s = msg_may_trunc(force, s); + + msg_hist_off = TRUE; + n = msg_attr(s, attr); + msg_hist_off = FALSE; + + if (n) + return s; + return NULL; +} + +/* + * Check if message "s" should be truncated at the start (for filenames). + * Return a pointer to where the truncated message starts. + * Note: May change the message by replacing a character with '<'. + */ + char_u * +msg_may_trunc(force, s) + int force; + char_u *s; +{ + int n; + int room; + + room = (int)(Rows - cmdline_row - 1) * Columns + sc_col - 1; + if ((force || (shortmess(SHM_TRUNC) && !exmode_active)) + && (n = (int)STRLEN(s) - room) > 0) + { +#ifdef FEAT_MBYTE + if (has_mbyte) + { + int size = vim_strsize(s); + + for (n = 0; size >= room; ) + { + size -= (*mb_ptr2cells)(s + n); + n += (*mb_ptr2len_check)(s + n); + } + --n; + } +#endif + s += n; + *s = '<'; + } + return s; +} + + static void +add_msg_hist(s, len, attr) + char_u *s; + int len; /* -1 for undetermined length */ + int attr; +{ + struct msg_hist *p; + + if (msg_hist_off || msg_silent != 0) + return; + + /* Don't let the message history get too big */ + while (msg_hist_len > 20) + { + p = first_msg_hist; + first_msg_hist = p->next; + vim_free(p->msg); + vim_free(p); + --msg_hist_len; + } + /* allocate an entry and add the message at the end of the history */ + p = (struct msg_hist *)alloc((int)sizeof(struct msg_hist)); + if (p != NULL) + { + if (len < 0) + len = (int)STRLEN(s); + /* remove leading and trailing newlines */ + while (len > 0 && *s == '\n') + { + ++s; + --len; + } + while (len > 0 && s[len - 1] == '\n') + --len; + p->msg = vim_strnsave(s, len); + p->next = NULL; + p->attr = attr; + if (last_msg_hist != NULL) + last_msg_hist->next = p; + last_msg_hist = p; + if (first_msg_hist == NULL) + first_msg_hist = last_msg_hist; + ++msg_hist_len; + } +} + +/* + * ":messages" command. + */ +/*ARGSUSED*/ + void +ex_messages(eap) + exarg_T *eap; +{ + struct msg_hist *p; + char_u *s; + + msg_hist_off = TRUE; + + s = mch_getenv((char_u *)"LANG"); + if (s != NULL && *s != NUL) + msg_attr((char_u *) + _("Messages maintainer: Bram Moolenaar <Bram@vim.org>"), + hl_attr(HLF_T)); + + for (p = first_msg_hist; p != NULL; p = p->next) + if (p->msg != NULL) + msg_attr(p->msg, p->attr); + + msg_hist_off = FALSE; +} + +#if defined(FEAT_CON_DIALOG) || defined(PROTO) +static void msg_end_prompt __ARGS((void)); + +/* + * Call this after prompting the user. This will avoid a hit-return message + * and a delay. + */ + static void +msg_end_prompt() +{ + need_wait_return = FALSE; + emsg_on_display = FALSE; + cmdline_row = msg_row; + msg_col = 0; + msg_clr_eos(); +} +#endif + +/* + * 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; +#ifndef ORG_HITRETURN + int had_got_int; +#endif + + if (redraw == TRUE) + must_redraw = CLEAR; + + /* If using ":silent cmd", don't wait for a return. Also don't set + * need_wait_return to do it later. */ + if (msg_silent != 0) + return; + +/* + * 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 = CAR; /* 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 = CAR; /* no need for a return in ex mode */ + got_int = FALSE; + } + else + { + /* Make sure the hit-return prompt is on screen when 'guioptions' was + * just changed. */ + screenalloc(FALSE); + + State = HITRETURN; +#ifdef FEAT_MOUSE + setmouse(); +#endif +#ifdef USE_ON_FLY_SCROLL + dont_scroll = TRUE; /* disallow scrolling here */ +#endif + hit_return_msg(); + +#ifdef ORG_HITRETURN + do + { + c = safe_vgetc(); + } while (vim_strchr((char_u *)"\r\n: ", c) == NULL); + if (c == ':') /* this can vi too (but not always!) */ + stuffcharReadbuff(c); +#else + do + { + /* Remember "got_int", if it is set vgetc() probably returns a + * CTRL-C, but we need to loop then. */ + had_got_int = got_int; + c = safe_vgetc(); + if (!global_busy) + got_int = FALSE; +#ifdef FEAT_CLIPBOARD + /* Strange way to allow copying (yanking) a modeless selection at + * the hit-enter prompt. Use CTRL-Y, because the same is used in + * Cmdline-mode and it's harmless when there is no selection. */ + if (c == Ctrl_Y && clip_star.state == SELECT_DONE) + { + clip_copy_modeless_selection(TRUE); + c = K_IGNORE; + } +#endif + } while ((had_got_int && c == Ctrl_C) + || c == K_IGNORE +#ifdef FEAT_GUI + || c == K_VER_SCROLLBAR || c == K_HOR_SCROLLBAR +#endif +#ifdef FEAT_MOUSE + || c == K_LEFTDRAG || c == K_LEFTRELEASE + || c == K_MIDDLEDRAG || c == K_MIDDLERELEASE + || c == K_RIGHTDRAG || c == K_RIGHTRELEASE + || c == K_MOUSEDOWN || c == K_MOUSEUP + || (!mouse_has(MOUSE_RETURN) + && mouse_row < msg_row + && (c == K_LEFTMOUSE + || c == K_MIDDLEMOUSE + || c == K_RIGHTMOUSE + || c == K_X1MOUSE + || c == K_X2MOUSE)) +#endif + ); + ui_breakcheck(); +#ifdef FEAT_MOUSE + /* + * Avoid that the mouse-up event causes visual mode to start. + */ + if (c == K_LEFTMOUSE || c == K_MIDDLEMOUSE || c == K_RIGHTMOUSE + || c == K_X1MOUSE || c == K_X2MOUSE) + (void)jump_to_mouse(MOUSE_SETPOS, NULL, 0); + else +#endif + if (vim_strchr((char_u *)"\r\n ", c) == NULL && c != Ctrl_C) + { + 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_shellsize() 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_shellsize */ +#ifdef FEAT_MOUSE + setmouse(); +#endif + msg_check(); + +#if defined(UNIX) || defined(VMS) + /* + * When switching screens, we need to output an extra newline on exit. + */ + if (swapping_screen() && !termcap_active) + newline_on_exit = TRUE; +#endif + + need_wait_return = FALSE; + did_wait_return = TRUE; + emsg_on_display = FALSE; /* can delete error message now */ + lines_left = -1; /* reset lines_left at next msg_start() */ + reset_last_sourcing(); + if (keep_msg != NULL && vim_strsize(keep_msg) >= + (Rows - cmdline_row - 1) * Columns + sc_col) + { + vim_free(keep_msg); + 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 */ + shell_resized(); + } + else if (!skip_redraw + && (redraw == TRUE || (msg_scrolled != 0 && redraw != -1))) + { + starttermcap(); /* start termcap before redrawing */ + redraw_later(VALID); + } +} + +/* + * Write the hit-return prompt. + */ + static void +hit_return_msg() +{ + if (msg_didout) /* start on a new line */ + msg_putchar('\n'); + if (got_int) + MSG_PUTS(_("Interrupt: ")); + +#ifdef ORG_HITRETURN + MSG_PUTS_ATTR(_("Hit ENTER to continue"), hl_attr(HLF_R)); +#else + MSG_PUTS_ATTR(_("Hit ENTER or type command to continue"), hl_attr(HLF_R)); +#endif + if (!msg_use_printf()) + msg_clr_eos(); +} + +/* + * Set "keep_msg" to "s". Free the old value and check for NULL pointer. + */ + void +set_keep_msg(s) + char_u *s; +{ + vim_free(keep_msg); + if (s != NULL && msg_silent == 0) + keep_msg = vim_strsave(s); + else + keep_msg = NULL; +} + +/* + * Prepare for outputting characters in the command line. + */ + void +msg_start() +{ + int did_return = FALSE; + + vim_free(keep_msg); + keep_msg = NULL; /* don't display old message now */ + if (!msg_scroll && full_screen) /* overwrite last message */ + { + msg_row = cmdline_row; + msg_col = +#ifdef FEAT_RIGHTLEFT + cmdmsg_rl ? Columns - 1 : +#endif + 0; + } + else if (msg_didout) /* start message on next line */ + { + msg_putchar('\n'); + did_return = TRUE; + if (exmode_active != EXMODE_NORMAL) + cmdline_row = msg_row; + } + if (!msg_didany || lines_left < 0) + msg_starthere(); + if (msg_silent == 0) + { + 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", -1); +} + +/* + * Note that the current msg position is where messages start. + */ + void +msg_starthere() +{ + lines_left = cmdline_row; + msg_didany = FALSE; +} + + void +msg_putchar(c) + int c; +{ + msg_putchar_attr(c, 0); +} + + void +msg_putchar_attr(c, attr) + int c; + int attr; +{ +#ifdef FEAT_MBYTE + char_u buf[MB_MAXBYTES + 1]; +#else + char_u buf[4]; +#endif + + if (IS_SPECIAL(c)) + { + buf[0] = K_SPECIAL; + buf[1] = K_SECOND(c); + buf[2] = K_THIRD(c); + buf[3] = NUL; + } + else + { +#ifdef FEAT_MBYTE + buf[(*mb_char2bytes)(c, buf)] = NUL; +#else + buf[0] = c; + buf[1] = NUL; +#endif + } + 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); +} + +#if defined(FEAT_FIND_ID) || defined(PROTO) + void +msg_home_replace_hl(fname) + char_u *fname; +{ + msg_home_replace_attr(fname, hl_attr(HLF_D)); +} +#endif + + 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); +} + +/* + * Output one character at "p". Return pointer to the next character. + * Handles multi-byte characters. + */ + char_u * +msg_outtrans_one(p, attr) + char_u *p; + int attr; +{ +#ifdef FEAT_MBYTE + int l; + + if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1) + { + msg_outtrans_len_attr(p, l, attr); + return p + l; + } +#endif + msg_puts_attr(transchar_byte(*p), attr); + return p + 1; +} + + int +msg_outtrans_len_attr(msgstr, len, attr) + char_u *msgstr; + int len; + int attr; +{ + int retval = 0; + char_u *str = msgstr; + char_u *plain_start = msgstr; + char_u *s; +#ifdef FEAT_MBYTE + int mb_l; + int c; +#endif + + /* if MSG_HIST flag set, add message to history */ + if (attr & MSG_HIST) + { + add_msg_hist(str, len, attr); + attr &= ~MSG_HIST; + } + +#ifdef FEAT_MBYTE + /* If the string starts with a composing character first draw a space on + * which the composing char can be drawn. */ + if (enc_utf8 && utf_iscomposing(utf_ptr2char(msgstr))) + msg_puts_attr((char_u *)" ", attr); +#endif + + /* + * Go over the string. Special characters are translated and printed. + * Normal characters are printed several at a time. + */ + while (--len >= 0) + { +#ifdef FEAT_MBYTE + if (enc_utf8) + /* Don't include composing chars after the end. */ + mb_l = utfc_ptr2len_check_len(str, len + 1); + else if (has_mbyte) + mb_l = (*mb_ptr2len_check)(str); + else + mb_l = 1; + if (has_mbyte && mb_l > 1) + { + c = (*mb_ptr2char)(str); + if (vim_isprintc(c)) + /* printable multi-byte char: count the cells. */ + retval += (*mb_ptr2cells)(str); + else + { + /* unprintable multi-byte char: print the printable chars so + * far and the translation of the unprintable char. */ + if (str > plain_start) + msg_puts_attr_len(plain_start, (int)(str - plain_start), + attr); + plain_start = str + mb_l; + msg_puts_attr(transchar(c), attr == 0 ? hl_attr(HLF_8) : attr); + retval += char2cells(c); + } + len -= mb_l - 1; + str += mb_l; + } + else +#endif + { + s = transchar_byte(*str); + if (s[1] != NUL) + { + /* unprintable char: print the printable chars so far and the + * translation of the unprintable char. */ + if (str > plain_start) + msg_puts_attr_len(plain_start, (int)(str - plain_start), + attr); + plain_start = str + 1; + msg_puts_attr(s, attr == 0 ? hl_attr(HLF_8) : attr); + } + retval += ptr2cells(str); + ++str; + } + } + + if (str > plain_start) + /* print the printable chars at the end */ + msg_puts_attr_len(plain_start, (int)(str - plain_start), attr); + + return retval; +} + +#if defined(FEAT_QUICKFIX) || defined(PROTO) + 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); + } +} +#endif + +/* + * 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. Any other character + * which is not printable shown in <> form. + * If 'from' is TRUE (lhs of a mapping), a space is shown as <Space>. + * 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(strstart, from) + char_u *strstart; + int from; /* TRUE for lhs of a mapping */ +{ + char_u *str = strstart; + int retval = 0; + char_u *string; + int attr; + int len; + + attr = hl_attr(HLF_8); + while (*str != NUL) + { + /* Leading and trailing spaces need to be displayed in <> form. */ + if ((str == strstart || str[1] == NUL) && *str == ' ') + { + string = (char_u *)"<Space>"; + ++str; + } + else + string = str2special(&str, from); + len = vim_strsize(string); + /* Highlight special keys */ + msg_puts_attr(string, len > 1 +#ifdef FEAT_MBYTE + && (*mb_ptr2len_check)(string) <= 1 +#endif + ? attr : 0); + retval += len; + } + return retval; +} + +/* + * Return the printable string for the key codes at "*sp". + * Used for translating the lhs or rhs of a mapping to printable chars. + * Advances "sp" to the next code. + */ + char_u * +str2special(sp, from) + char_u **sp; + int from; /* TRUE for lhs of mapping */ +{ + int c; + static char_u buf[7]; + char_u *str = *sp; + int modifiers = 0; + int special = FALSE; + +#ifdef FEAT_MBYTE + if (has_mbyte) + { + char_u *p; + + /* Try to un-escape a multi-byte character. Return the un-escaped + * string if it is a multi-byte character. */ + p = mb_unescape(sp); + if (p != NULL) + return p; + } +#endif + + c = *str; + if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) + { + if (str[1] == KS_MODIFIER) + { + modifiers = str[2]; + str += 3; + c = *str; + } + if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) + { + 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 */ + special = TRUE; + } + *sp = str + 1; + +#ifdef FEAT_MBYTE + /* For multi-byte characters check for an illegal byte. */ + if (has_mbyte && MB_BYTE2LEN(*str) > (*mb_ptr2len_check)(str)) + { + transchar_nonprint(buf, c); + return buf; + } +#endif + + /* Make unprintable characters in <> form, also <M-Space> and <Tab>. + * Use <Space> only for lhs of a mapping. */ + if (special || char2cells(c) > 1 || (from && c == ' ')) + return get_special_key_name(c, modifiers); + buf[0] = c; + buf[1] = NUL; + return buf; +} + +/* + * Translate a key sequence into special key names. + */ + void +str2specialbuf(sp, buf, len) + char_u *sp; + char_u *buf; + int len; +{ + char_u *s; + + *buf = NUL; + while (*sp) + { + s = str2special(&sp, FALSE); + if ((int)(STRLEN(s) + STRLEN(buf)) < len) + STRCAT(buf, s); + } +} + +/* + * 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; +#ifdef FEAT_MBYTE + int l; + char_u buf[MB_MAXBYTES + 1]; +#endif + + /* 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 && lcs_eol != NUL)) + msg_putchar(' '); + + for (;;) + { + if (n_extra) + { + --n_extra; + if (c_extra) + c = c_extra; + else + c = *p_extra++; + } +#ifdef FEAT_MBYTE + else if (has_mbyte && (l = (*mb_ptr2len_check)(s)) > 1) + { + col += (*mb_ptr2cells)(s); + mch_memmove(buf, s, (size_t)l); + buf[l] = NUL; + msg_puts_attr(buf, attr); + s += l; + continue; + } +#endif + 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_8); + } + } + else if (c == NUL && curwin->w_p_list && lcs_eol != NUL) + { + p_extra = (char_u *)""; + c_extra = NUL; + n_extra = 1; + c = lcs_eol; + attr = hl_attr(HLF_AT); + --s; + } + else if (c != NUL && (n = byte2cells(c)) > 1) + { + n_extra = n - 1; + p_extra = transchar_byte(c); + c_extra = NUL; + c = *p_extra++; + } + else if (c == ' ' && trail != NULL && s > trail) + { + c = lcs_trail; + attr = hl_attr(HLF_8); + } + } + + if (c == NUL) + break; + + msg_putchar_attr(c, attr); + col++; + } + msg_clr_eos(); +} + +#ifdef FEAT_MBYTE +/* + * Use screen_puts() to output one multi-byte character. + * Return the pointer "s" advanced to the next character. + */ + static char_u * +screen_puts_mbyte(s, l, attr) + char_u *s; + int l; + int attr; +{ + int cw; + + msg_didout = TRUE; /* remember that line is not empty */ + cw = (*mb_ptr2cells)(s); + if (cw > 1 && ( +#ifdef FEAT_RIGHTLEFT + cmdmsg_rl ? msg_col <= 1 : +#endif + msg_col == Columns - 1)) + { + /* Doesn't fit, print a highlighted '>' to fill it up. */ + msg_screen_putchar('>', hl_attr(HLF_AT)); + return s; + } + + screen_puts_len(s, l, msg_row, msg_col, attr); +#ifdef FEAT_RIGHTLEFT + if (cmdmsg_rl) + { + msg_col -= cw; + if (msg_col == 0) + { + msg_col = Columns; + ++msg_row; + } + } + else +#endif + { + msg_col += cw; + if (msg_col >= Columns) + { + msg_col = 0; + ++msg_row; + } + } + return s + l; +} +#endif + +/* + * 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 defined(FEAT_CSCOPE) || defined(PROTO) +/* + * 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_attr(longstr, (int)strlen((char *)longstr), 0); +} +#endif + +/* + * Show a message in such a way that it always fits in the line. Cut out a + * part in the middle and replace it with "..." when necessary. + * Does not handle multi-byte characters! + */ + 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_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_8)); + } + msg_outtrans_len_attr(longstr + len - slen, slen, attr); +} + +/* + * Basic function for writing a message with highlight attributes. + */ + void +msg_puts_attr(s, attr) + char_u *s; + int attr; +{ + msg_puts_attr_len(s, -1, attr); +} + +/* + * Like msg_puts_attr(), but with a maximum length "maxlen" (in bytes). + * When "maxlen" is -1 there is no maximum length. + * When "maxlen" is >= 0 the message is not put in the history. + */ + static void +msg_puts_attr_len(str, maxlen, attr) + char_u *str; + int maxlen; + int attr; +{ + int oldState; + char_u *s = str; + char_u *p; + char_u buf[4]; + char_u *t_s = str; /* string from "t_s" to "s" is still todo */ + int t_col = 0; /* screen cells todo, 0 when "t_s" not used */ +#ifdef FEAT_MBYTE + int l; + int cw; +#endif + int c; + + /* + * If redirection is on, also write to the redirection file. + */ + redir_write(s, maxlen); + + /* + * Don't print anything when using ":silent cmd". + */ + if (msg_silent != 0) + return; + + /* if MSG_HIST flag set, add message to history */ + if ((attr & MSG_HIST) && maxlen < 0) + { + add_msg_hist(s, -1, attr); + attr &= ~MSG_HIST; + } + + /* + * When writing something to the screen after it has scrolled, requires a + * wait-return prompt later. Needed when scrolling, resetting + * need_wait_return after some prompt, and then outputting something + * without scrolling + */ + if (msg_scrolled && !msg_scrolled_ign) + need_wait_return = TRUE; + msg_didany = TRUE; /* remember that something was outputted */ + + /* + * 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 WIN3264 + if (!(silent_mode && p_verbose == 0)) + mch_settmode(TMODE_COOK); /* handle '\r' and '\n' correctly */ +#endif + while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) + { + if (!(silent_mode && p_verbose == 0)) + { + p = &buf[0]; + /* NL --> CR NL translation (for Unix, not for "--version") */ + /* NL --> CR translation (for Mac) */ + if (*s == '\n' && !info_message) + *p++ = '\r'; +#if defined(USE_CR) && !defined(MACOS_X_UNIX) + else +#endif + *p++ = *s; + *p = '\0'; + if (info_message) /* informative message, not an error */ + mch_msg((char *)buf); + else + mch_errmsg((char *)buf); + } + + /* primitive way to compute the current column */ +#ifdef FEAT_RIGHTLEFT + if (cmdmsg_rl) + { + if (*s == '\r' || *s == '\n') + msg_col = Columns - 1; + else + --msg_col; + } + else +#endif + { + if (*s == '\r' || *s == '\n') + msg_col = 0; + else + ++msg_col; + } + ++s; + } + msg_didout = TRUE; /* assume that line is not empty */ + +#ifdef WIN3264 + if (!(silent_mode && p_verbose == 0)) + mch_settmode(TMODE_RAW); +#endif + return; + } + + did_wait_return = FALSE; + while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) + { + /* + * 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' + || ( +#ifdef FEAT_RIGHTLEFT + cmdmsg_rl + ? ( + msg_col <= 1 + || (*s == TAB && msg_col <= 7) +# ifdef FEAT_MBYTE + || (has_mbyte && (*mb_ptr2cells)(s) > 1 && msg_col <= 2) +# endif + ) + : +#endif + (msg_col + t_col >= Columns - 1 + || (*s == TAB && msg_col + t_col >= ((Columns - 1) & ~7)) +# ifdef FEAT_MBYTE + || (has_mbyte && (*mb_ptr2cells)(s) > 1 + && msg_col + t_col >= Columns - 2) +# endif + )))) + { + if (t_col > 0) + { + /* output postponed text */ + t_puts(t_col, t_s, s, attr); + t_col = 0; + } + + /* When no more prompt an no more room, truncate here */ + if (msg_no_more && lines_left == 0) + break; +#ifdef FEAT_GUI + /* Remove the cursor before scrolling, ScreenLines[] is going to + * become invalid. */ + if (gui.in_use) + gui_undraw_cursor(); +#endif + /* scrolling up always works */ + screen_del_lines(0, 0, 1, (int)Rows, TRUE, NULL); + + if (!can_clear((char_u *)" ")) + { + /* Scrolling up doesn't result in the right background. Set + * the background here. It's not efficient, but avoids that + * we have to do it all over the code. */ + screen_fill((int)Rows - 1, (int)Rows, 0, + (int)Columns, ' ', ' ', 0); + + /* Also clear the last char of the last but one line if it was + * not cleared before to avoid a scroll-up. */ + if (ScreenAttrs[LineOffset[Rows - 2] + Columns - 1] + == (sattr_T)-1) + screen_fill((int)Rows - 2, (int)Rows - 1, + (int)Columns - 1, (int)Columns, ' ', ' ', 0); + } + + 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 (must_redraw < VALID) + must_redraw = VALID; + redraw_cmdline = TRUE; + 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 + && !msg_no_more && !exmode_active) + { + oldState = State; + State = ASKMORE; +#ifdef FEAT_MOUSE + setmouse(); +#endif + msg_moremsg(FALSE); + for (;;) + { + /* + * Get a typed character directly from the user. + */ + c = get_keystroke(); + +#if defined(FEAT_MENU) && defined(FEAT_GUI) + if (c == K_MENU) + { + int idx = get_menu_index(current_menu, ASKMORE); + + /* Used a menu. If it starts with CTRL-Y, it must + * be a "Copy" for the clipboard. Otherwise + * assume that we end */ + if (idx == MENU_INDEX_INVALID) + continue; + c = *current_menu->strings[idx]; + if (c != NUL && current_menu->strings[idx][1] != NUL) + ins_typebuf(current_menu->strings[idx] + 1, + current_menu->noremap[idx], 0, TRUE, + current_menu->silent[idx]); + } +#endif + + switch (c) + { + case BS: + case 'k': + case K_UP: + if (!more_back_used) + { + msg_moremsg(TRUE); + continue; + } + more_back = 1; + lines_left = 1; + break; + case CAR: /* one extra line */ + case NL: + case 'j': + case K_DOWN: + lines_left = 1; + break; + case ':': /* start new command line */ +#ifdef FEAT_CON_DIALOG + if (!confirm_msg_used) +#endif + { + /* Since got_int is set all typeahead will be + * flushed, but we want to keep this ':', remember + * that in a special way. */ + typeahead_noflush(':'); + cmdline_row = Rows - 1; /* put ':' on this line */ + skip_redraw = TRUE; /* skip redraw once */ + need_wait_return = FALSE; /* don't wait in main() */ + } + /*FALLTHROUGH*/ + case 'q': /* quit */ + case Ctrl_C: + case ESC: +#ifdef FEAT_CON_DIALOG + if (confirm_msg_used) + { + /* Jump to the choices of the dialog. */ + s = confirm_msg_tail; + lines_left = Rows - 1; + } + else +#endif + { + got_int = TRUE; + quit_more = TRUE; + } + break; + case 'u': /* Up half a page */ + case K_PAGEUP: + if (!more_back_used) + { + msg_moremsg(TRUE); + continue; + } + more_back = Rows / 2; + /*FALLTHROUGH*/ + case 'd': /* Down half a page */ + lines_left = Rows / 2; + break; + case 'b': /* one page back */ + if (!more_back_used) + { + msg_moremsg(TRUE); + continue; + } + more_back = Rows - 1; + /*FALLTHROUGH*/ + case ' ': /* one extra page */ + case K_PAGEDOWN: + case K_LEFTMOUSE: + lines_left = Rows - 1; + break; + +#ifdef FEAT_CLIPBOARD + case Ctrl_Y: + /* Strange way to allow copying (yanking) a modeless + * selection at the more prompt. Use CTRL-Y, + * because the same is used in Cmdline-mode and at the + * hit-enter prompt. However, scrolling one line up + * might be expected... */ + if (clip_star.state == SELECT_DONE) + clip_copy_modeless_selection(TRUE); + continue; +#endif + default: /* no valid response */ + msg_moremsg(TRUE); + continue; + } + break; + } + + /* clear the --more-- message */ + screen_fill((int)Rows - 1, (int)Rows, + 0, (int)Columns, ' ', ' ', 0); + State = oldState; +#ifdef FEAT_MOUSE + setmouse(); +#endif + if (quit_more) + { + msg_row = Rows - 1; + msg_col = 0; + return; /* the string is not displayed! */ + } +#ifdef FEAT_RIGHTLEFT + if (cmdmsg_rl) + msg_col = Columns - 1; +#endif + } + } + + if (t_col > 0 + && (vim_strchr((char_u *)"\n\r\b\t", *s) != NULL + || *s == BELL + || msg_col + t_col >= Columns +#ifdef FEAT_MBYTE + || (has_mbyte && (*mb_ptr2cells)(s) > 1 + && msg_col + t_col >= Columns - 1) +#endif + )) + { + /* output any postponed text */ + t_puts(t_col, t_s, s, attr); + t_col = 0; + } + + 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 if (*s == BELL) /* beep (from ":sh") */ + vim_beep(); + else + { +#ifdef FEAT_MBYTE + if (has_mbyte) + { + cw = (*mb_ptr2cells)(s); + if (enc_utf8 && maxlen >= 0) + /* avoid including composing chars after the end */ + l = utfc_ptr2len_check_len(s, (int)((str + maxlen) - s)); + else + l = (*mb_ptr2len_check)(s); + } + else + { + cw = 1; + l = 1; + } +#endif + /* When drawing from right to left or when a double-wide character + * doesn't fit, draw a single character here. Otherwise collect + * characters and draw them all at once later. */ +#if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE) + if ( +# ifdef FEAT_RIGHTLEFT + cmdmsg_rl +# ifdef FEAT_MBYTE + || +# endif +# endif +# ifdef FEAT_MBYTE + (cw > 1 && msg_col + t_col >= Columns - 1) +# endif + ) + { +# ifdef FEAT_MBYTE + if (l > 1) + s = screen_puts_mbyte(s, l, attr) - 1; + else +# endif + msg_screen_putchar(*s, attr); + } + else +#endif + { + /* postpone this character until later */ + if (t_col == 0) + t_s = s; +#ifdef FEAT_MBYTE + t_col += cw; + s += l - 1; +#else + ++t_col; +#endif + } + } + ++s; + } + + /* output any postponed text */ + if (t_col > 0) + t_puts(t_col, t_s, s, attr); + + msg_check(); +} + +/* + * Output any postponed text for msg_puts_attr_len(). + */ + static void +t_puts(t_col, t_s, s, attr) + int t_col; + char_u *t_s; + char_u *s; + int attr; +{ + /* output postponed text */ + msg_didout = TRUE; /* remember that line is not empty */ + screen_puts_len(t_s, (int)(s - t_s), msg_row, msg_col, attr); + msg_col += t_col; +#ifdef FEAT_MBYTE + /* If the string starts with a composing character don't increment the + * column position for it. */ + if (enc_utf8 && utf_iscomposing(utf_ptr2char(t_s))) + --msg_col; +#endif + if (msg_col >= Columns) + { + msg_col = 0; + ++msg_row; + } +} + + +/* + * Returns TRUE when messages should be printed with mch_errmsg(). + * 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. + */ + int +msg_use_printf() +{ + return (!msg_check_screen() +#if defined(WIN3264) && !defined(FEAT_GUI_MSWIN) + || !termcap_active +#endif + || (swapping_screen() && !termcap_active) + ); +} + +#if defined(USE_MCH_ERRMSG) || defined(PROTO) + +#ifdef mch_errmsg +# undef mch_errmsg +#endif +#ifdef mch_msg +# undef mch_msg +#endif + +/* + * Give an error message. To be used when the screen hasn't been initialized + * yet. When stderr can't be used, collect error messages until the GUI has + * started and they can be displayed in a message box. + */ + void +mch_errmsg(str) + char *str; +{ + int len; + +#if (defined(UNIX) || defined(FEAT_GUI)) && !defined(ALWAYS_USE_GUI) + /* On Unix use stderr if it's a tty. + * When not going to start the GUI also use stderr. + * On Mac, when started from Finder, stderr is the console. */ + if ( +# ifdef UNIX +# ifdef MACOS_X_UNIX + (isatty(2) && strcmp("/dev/console", ttyname(2)) != 0) +# else + isatty(2) +# endif +# ifdef FEAT_GUI + || +# endif +# endif +# ifdef FEAT_GUI + !(gui.in_use || gui.starting) +# endif + ) + { + fprintf(stderr, "%s", str); + return; + } +#endif + + /* avoid a delay for a message that isn't there */ + emsg_on_display = FALSE; + + len = (int)STRLEN(str) + 1; + if (error_ga.ga_growsize == 0) + { + error_ga.ga_growsize = 80; + error_ga.ga_itemsize = 1; + } + if (ga_grow(&error_ga, len) == OK) + { + mch_memmove((char_u *)error_ga.ga_data + error_ga.ga_len, + (char_u *)str, len); +#ifdef UNIX + /* remove CR characters, they are displayed */ + { + char_u *p; + + p = (char_u *)error_ga.ga_data + error_ga.ga_len; + for (;;) + { + p = vim_strchr(p, '\r'); + if (p == NULL) + break; + *p = ' '; + } + } +#endif + --len; /* don't count the NUL at the end */ + error_ga.ga_len += len; + error_ga.ga_room -= len; + } +} + +/* + * Give a message. To be used when the screen hasn't been initialized yet. + * When there is no tty, collect messages until the GUI has started and they + * can be displayed in a message box. + */ + void +mch_msg(str) + char *str; +{ +#if (defined(UNIX) || defined(FEAT_GUI)) && !defined(ALWAYS_USE_GUI) + /* On Unix use stdout if we have a tty. This allows "vim -h | more" and + * uses mch_errmsg() when started from the desktop. + * When not going to start the GUI also use stdout. + * On Mac, when started from Finder, stderr is the console. */ + if ( +# ifdef UNIX +# ifdef MACOS_X_UNIX + (isatty(2) && strcmp("/dev/console", ttyname(2)) != 0) +# else + isatty(2) +# endif +# ifdef FEAT_GUI + || +# endif +# endif +# ifdef FEAT_GUI + !(gui.in_use || gui.starting) +# endif + ) + { + printf("%s", str); + return; + } +# endif + mch_errmsg(str); +} +#endif /* USE_MCH_ERRMSG */ + +/* + * Put a character on the screen at the current message position and advance + * to the next position. Only for printable ASCII! + */ + 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); +#ifdef FEAT_RIGHTLEFT + if (cmdmsg_rl) + { + if (--msg_col == 0) + { + msg_col = Columns; + ++msg_row; + } + } + else +#endif + { + 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(more_back_used + ? (char_u *)_(" (RET/BS: line, SPACE/b: page, d/u: half page, q: quit)") + : (char_u *)_(" (RET: line, SPACE: page, d: half page, q: quit)"), + (int)Rows - 1, 10, attr); +} + +/* + * Repeat the message for the current mode: ASKMORE, EXTERNCMD, CONFIRM or + * exmode_active. + */ + void +repeat_message() +{ + if (State == ASKMORE) + { + msg_moremsg(TRUE); /* display --more-- message again */ + msg_row = Rows - 1; + } +#ifdef FEAT_CON_DIALOG + else if (State == CONFIRM) + { + display_confirm_msg(); /* display ":confirm" message again */ + msg_row = Rows - 1; + } +#endif + else if (State == EXTERNCMD) + { + windgoto(msg_row, msg_col); /* put cursor back */ + } + else if (State == HITRETURN || State == SETWSIZE) + { + hit_return_msg(); + msg_row = Rows - 1; + } +} + +/* + * 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. + * Skip this when ":silent" was used, no need to clear for redirection. + */ + void +msg_clr_eos() +{ + if (msg_silent == 0) + msg_clr_eos_force(); +} + +/* + * 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_force() +{ + if (msg_use_printf()) + { + 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 + { +#ifdef FEAT_RIGHTLEFT + if (cmdmsg_rl) + { + screen_fill(msg_row, msg_row + 1, 0, msg_col + 1, ' ', ' ', 0); + screen_fill(msg_row + 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); + } + else +#endif + { + 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_force(); +} + +/* + * 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 && need_wait_return && !(State & CMDLINE)) + { + wait_return(FALSE); + return FALSE; + } + out_flush(); + return TRUE; +} + +/* + * If the written message runs into the shown command or ruler, we have to + * wait for hit-return and redraw the window later. + */ + void +msg_check() +{ + if (msg_row == Rows - 1 && msg_col >= sc_col) + { + need_wait_return = TRUE; + redraw_cmdline = TRUE; + } +} + +/* + * May write a string to the redirection file. + * When "maxlen" is -1 write the whole string, otherwise up to "maxlen" bytes. + */ + static void +redir_write(str, maxlen) + char_u *str; + int maxlen; +{ + char_u *s = str; + static int cur_col = 0; + + if ((redir_fd != NULL +#ifdef FEAT_EVAL + || redir_reg +#endif + ) && !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) + { +#ifdef FEAT_EVAL + if (redir_reg) + write_reg_contents(redir_reg, (char_u *)" ", -1, TRUE); + else if (redir_fd) +#endif + fputs(" ", redir_fd); + ++cur_col; + } + } + +#ifdef FEAT_EVAL + if (redir_reg) + write_reg_contents(redir_reg, s, maxlen, TRUE); +#endif + + /* Adjust the current column */ + while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) + { +#ifdef FEAT_EVAL + if (!redir_reg && redir_fd != NULL) +#endif + putc(*s, redir_fd); + if (*s == '\r' || *s == '\n') + cur_col = 0; + else if (*s == '\t') + cur_col += (8 - cur_col % 8); + else + ++cur_col; + ++s; + } + + if (msg_silent != 0) /* should update msg_col */ + msg_col = cur_col; + } +} + +/* + * 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; +{ + /* Don't do this for ":silent". */ + if (msg_silent != 0) + return; + + /* Don't want a hit-enter prompt here. */ + ++no_wait_return; +#ifdef FEAT_EVAL + set_vim_var_string(VV_WARNINGMSG, message, -1); +#endif +#ifdef VIMBUDDY + VimBuddyText(message, 1); +#else + vim_free(keep_msg); + 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 == 0) + set_keep_msg(message); + msg_didout = FALSE; /* overwrite this message */ + msg_nowait = TRUE; /* don't wait for this message */ + msg_col = 0; +#endif + --no_wait_return; +} + +/* + * Advance msg cursor to column "col". + */ + void +msg_advance(col) + int col; +{ + if (msg_silent != 0) /* nothing to advance to */ + { + msg_col = col; /* for redirection, may fill it up later */ + return; + } + if (col >= Columns) /* not enough room */ + col = Columns - 1; + while (msg_col < col) + msg_putchar(' '); +} + +#if defined(FEAT_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: + * "Button1Name\nButton2Name\nButton3Name" + * 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, textfield) + int type; + char_u *title; + char_u *message; + char_u *buttons; + int dfltbutton; + char_u *textfield; /* IObuff for inputdialog(), NULL otherwise */ +{ + int oldState; + int retval = 0; + char_u *hotkeys; + int c; + int i; + +#ifndef NO_CONSOLE + /* Don't output anything in silent mode ("ex -s") */ + if (silent_mode) + return dfltbutton; /* return default option */ +#endif + +#ifdef FEAT_GUI_DIALOG + /* When GUI is running and 'c' not in 'guioptions', use the GUI dialog */ + if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL) + { + c = gui_mch_dialog(type, title, message, buttons, dfltbutton, + textfield); + msg_end_prompt(); + + /* Flush output to avoid that further messages and redrawing is done + * in the wrong order. */ + out_flush(); + gui_mch_update(); + + return c; + } +#endif + + oldState = State; + State = CONFIRM; +#ifdef FEAT_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. */ + c = get_keystroke(); + switch (c) + { + case CAR: /* 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? */ + if (c < 0) /* special keys are ignored here */ + continue; + /* Make the character lowercase, as chars in "hotkeys" are. */ + c = MB_TOLOWER(c); + retval = 1; + for (i = 0; hotkeys[i]; ++i) + { +#ifdef FEAT_MBYTE + if (has_mbyte) + { + if ((*mb_ptr2char)(hotkeys + i) == c) + break; + i += (*mb_ptr2len_check)(hotkeys + i) - 1; + } + else +#endif + if (hotkeys[i] == c) + break; + ++retval; + } + if (hotkeys[i]) + break; + /* No hotkey match, so keep waiting */ + continue; + } + break; + } + + vim_free(hotkeys); + } + + State = oldState; +#ifdef FEAT_MOUSE + setmouse(); +#endif + --no_wait_return; + msg_end_prompt(); + + return retval; +} + +static int copy_char __ARGS((char_u *from, char_u *to, int lowercase)); + +/* + * Copy one character from "*from" to "*to", taking care of multi-byte + * characters. Return the length of the character in bytes. + */ + static int +copy_char(from, to, lowercase) + char_u *from; + char_u *to; + int lowercase; /* make character lower case */ +{ +#ifdef FEAT_MBYTE + int len; + int c; + + if (has_mbyte) + { + if (lowercase) + { + c = MB_TOLOWER((*mb_ptr2char)(from)); + return (*mb_char2bytes)(c, to); + } + else + { + len = (*mb_ptr2len_check)(from); + mch_memmove(to, from, (size_t)len); + return len; + } + } + else +#endif + { + if (lowercase) + *to = (char_u)TOLOWER_LOC(*from); + else + *to = *from; + return 1; + } +} + +/* + * 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 first character of + * the button is used. + * The hotkeys can be multi-byte characters, but without combining chars. + * + * Returns an allocated string with hotkeys, 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; +#ifdef FEAT_MBYTE +# define HOTK_LEN (has_mbyte ? MB_MAXBYTES : 1) +#else +# define HOTK_LEN 1 +#endif + int lenhotkey = HOTK_LEN; /* count first button */ + char_u *hotk = NULL; + char_u *msgp = NULL; + char_u *hotkp = NULL; + char_u *r; + int copy; +#define HAS_HOTKEY_LEN 30 + char_u has_hotkey[HAS_HOTKEY_LEN]; + int first_hotkey = FALSE; /* first char of button is hotkey */ + int idx; + + has_hotkey[0] = FALSE; + + /* + * First loop: compute the size of memory to allocate. + * Second loop: copy to the allocated memory. + */ + for (copy = 0; copy <= 1; ++copy) + { + r = buttons; + idx = 0; + while (*r) + { + if (*r == DLG_BUTTON_SEP) + { + if (copy) + { + *msgp++ = ','; + *msgp++ = ' '; /* '\n' -> ', ' */ + + /* advance to next hotkey and set default hotkey */ +#ifdef FEAT_MBYTE + if (has_mbyte) + hotkp += (*mb_ptr2len_check)(hotkp); + else +#endif + ++hotkp; + (void)copy_char(r + 1, hotkp, TRUE); + if (dfltbutton) + --dfltbutton; + + /* If no hotkey is specified first char is used. */ + if (idx < HAS_HOTKEY_LEN - 1 && !has_hotkey[++idx]) + first_hotkey = TRUE; + } + else + { + len += 3; /* '\n' -> ', '; 'x' -> '(x)' */ + lenhotkey += HOTK_LEN; /* each button needs a hotkey */ + if (idx < HAS_HOTKEY_LEN - 1) + has_hotkey[++idx] = FALSE; + } + } + else if (*r == DLG_HOTKEY_CHAR || first_hotkey) + { + if (*r == DLG_HOTKEY_CHAR) + ++r; + first_hotkey = FALSE; + if (copy) + { + if (*r == DLG_HOTKEY_CHAR) /* '&&a' -> '&a' */ + *msgp++ = *r; + else + { + /* '&a' -> '[a]' */ + *msgp++ = (dfltbutton == 1) ? '[' : '('; + msgp += copy_char(r, msgp, FALSE); + *msgp++ = (dfltbutton == 1) ? ']' : ')'; + + /* redefine hotkey */ + (void)copy_char(r, hotkp, TRUE); + } + } + else + { + ++len; /* '&a' -> '[a]' */ + if (idx < HAS_HOTKEY_LEN - 1) + has_hotkey[idx] = TRUE; + } + } + else + { + /* everything else copy literally */ + if (copy) + msgp += copy_char(r, msgp, FALSE); + } + + /* advance to the next character */ +#ifdef FEAT_MBYTE + if (has_mbyte) + r += (*mb_ptr2len_check)(r); + else +#endif + ++r; + } + + if (copy) + { + *msgp++ = ':'; + *msgp++ = ' '; + *msgp = NUL; +#ifdef FEAT_MBYTE + if (has_mbyte) + hotkp += (*mb_ptr2len_check)(hotkp); + else +#endif + ++hotkp; + *hotkp = NUL; + } + else + { + len += STRLEN(message) + + 2 /* for the NL's */ + + STRLEN(buttons) + + 3; /* for the ": " and NUL */ + lenhotkey++; /* for the NUL */ + + /* If no hotkey is specified first char is used. */ + if (!has_hotkey[0]) + { + first_hotkey = TRUE; + len += 2; /* "x" -> "[x]" */ + } + + /* + * 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); + + msgp = confirm_msg + 1 + STRLEN(message); + hotkp = hotk; + + /* define first default hotkey */ + (void)copy_char(buttons, hotkp, TRUE); + + /* Remember where the choices start, displaying starts here when + * "hotkp" typed at the more prompt. */ + confirm_msg_tail = msgp; + *msgp++ = '\n'; + } + } + + display_confirm_msg(); + return hotk; +} + +/* + * Display the ":confirm" message. Also called when screen resized. + */ + void +display_confirm_msg() +{ + /* avoid that 'q' at the more prompt truncates the message here */ + ++confirm_msg_used; + if (confirm_msg != NULL) + msg_puts_attr(confirm_msg, hl_attr(HLF_M)); + --confirm_msg_used; +} + +#endif /* FEAT_CON_DIALOG */ + +#if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) + + 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 *)_("&Yes\n&No"), dflt, NULL) == 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 *)_("&Yes\n&No\n&Cancel"), dflt, NULL)) + { + 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 *)_("&Yes\n&No\nSave &All\n&Discard All\n&Cancel"), + dflt, NULL)) + { + case 1: return VIM_YES; + case 2: return VIM_NO; + case 3: return VIM_ALL; + case 4: return VIM_DISCARDALL; + } + return VIM_CANCEL; +} + +#endif /* FEAT_GUI_DIALOG || FEAT_CON_DIALOG */ + +#if defined(FEAT_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 (may include directory) */ + char_u *ext; /* extension added */ + char_u *initdir; /* initial directory, NULL for current dir or + when using path from "dflt" */ + char_u *filter; /* file name filter */ + buf_T *buf; /* buffer to read/write for */ +{ + char_u *fname; + static char_u *last_dir = NULL; /* last used directory */ + char_u *tofree = NULL; + int save_browse = cmdmod.browse; + + /* Must turn off browse to avoid that autocommands will get the + * flag too! */ + cmdmod.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 default file name, default dir, buffer + * dir, last dir or current dir */ + if ((initdir == NULL || *initdir == NUL) && dflt != NULL && *dflt != NUL) + { + if (mch_isdir(dflt)) /* default file name is a directory */ + { + initdir = dflt; + dflt = NULL; + } + else if (gettail(dflt) != dflt) /* default file name includes a path */ + { + tofree = vim_strsave(dflt); + if (tofree != NULL) + { + initdir = tofree; + *gettail(initdir) = NUL; + dflt = gettail(dflt); + } + } + } + + if (initdir == NULL || *initdir == NUL) + { + /* When 'browsedir' is a directory, use it */ + if (mch_isdir(p_bsdir)) + initdir = p_bsdir; + /* When saving or 'browsedir' is "buffer", use buffer fname */ + else if ((saving || *p_bsdir == 'b') + && buf != NULL && buf->b_ffname != NULL) + { + if (dflt == NULL || *dflt == NUL) + 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 FEAT_GUI + if (gui.in_use) /* when this changes, also adjust f_has()! */ + { + if (filter == NULL +# ifdef FEAT_EVAL + && (filter = get_var_value((char_u *)"b:browsefilter")) == NULL + && (filter = get_var_value((char_u *)"g:browsefilter")) == NULL +# endif + ) + filter = BROWSE_FILTER_DEFAULT; + fname = gui_mch_browse(saving, title, dflt, ext, initdir, filter); + + /* We hang around in the dialog for a while, the user might do some + * things to our files. The Win32 dialog allows deleting or renaming + * a file, check timestamps. */ + need_check_timestamps = TRUE; + did_check_timestamps = FALSE; + } + else +# endif + { + /* TODO: non-GUI file selector here */ + EMSG(_("E338: Sorry, no file browser in console mode")); + 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); + cmdmod.browse = save_browse; + + return fname; +} +#endif |