+++ /dev/null
-/*
- * Copyright notice from original mutt:
- * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
- * Copyright (C) 2000 Edmund Grimley Evans <edmundo@rano.org>
- *
- * This file is part of mutt-ng, see http://www.muttng.org/.
- * It's licensed under the GNU General Public License,
- * please see the file GPL in the top level source directory.
- */
-
-#if HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <lib-lib/mem.h>
-
-#include <lib-ui/curses.h>
-
-#include "mutt.h"
-#include "enter.h"
-#include "mutt_menu.h"
-#include "keymap.h"
-#include "history.h"
-#include "buffy.h"
-
-
-#include <string.h>
-
-/* redraw flags for mutt_enter_string() */
-enum {
- M_REDRAW_INIT = 1, /* go to end of line and redraw */
- M_REDRAW_LINE /* redraw entire line */
-};
-
-static int my_wcwidth (wchar_t wc)
-{
- int n = wcwidth (wc);
-
- if (IsWPrint (wc) && n > 0)
- return n;
- if (!(wc & ~0x7f))
- return 2;
- if (!(wc & ~0xffff))
- return 6;
- return 10;
-}
-
-/* combining mark / non-spacing character */
-#define COMB_CHAR(wc) (IsWPrint (wc) && !wcwidth (wc))
-
-static int my_wcswidth (const wchar_t * s, size_t n)
-{
- int w = 0;
-
- while (n--)
- w += my_wcwidth (*s++);
- return w;
-}
-
-static int my_addwch (wchar_t wc)
-{
- int n = wcwidth (wc);
-
- if (IsWPrint (wc) && n > 0)
- return mutt_addwch (wc);
- if (!(wc & ~0x7f))
- return printw ("^%c", ((int) wc + 0x40) & 0x7f);
- if (!(wc & ~0xffff))
- return printw ("\\u%04x", (int) wc);
- return printw ("\\u%08x", (int) wc);
-}
-
-static size_t width_ceiling (const wchar_t * s, size_t n, int w1)
-{
- const wchar_t *s0 = s;
- int w = 0;
-
- for (; n; s++, n--)
- if ((w += my_wcwidth (*s)) > w1)
- break;
- return s - s0;
-}
-
-static void my_wcstombs (char *dest, ssize_t dlen, const wchar_t * src,
- size_t slen)
-{
- mbstate_t st;
- size_t k;
-
- /* First convert directly into the destination buffer */
- p_clear(&st, 1);
- for (; slen && dlen >= MB_LEN_MAX; dest += k, dlen -= k, src++, slen--)
- if ((k = wcrtomb (dest, *src, &st)) == (size_t) (-1))
- break;
-
- /* If this works, we can stop now */
- if (dlen >= MB_LEN_MAX) {
- wcrtomb (dest, 0, &st);
- return;
- }
-
- /* Otherwise convert any remaining data into a local buffer */
- {
- char buf[3 * MB_LEN_MAX];
- char *p = buf;
-
- for (; slen && p - buf < dlen; p += k, src++, slen--)
- if ((k = wcrtomb (p, *src, &st)) == (size_t) (-1))
- break;
- p += wcrtomb (p, 0, &st);
-
- /* If it fits into the destination buffer, we can stop now */
- if (p - buf <= dlen) {
- memcpy (dest, buf, p - buf);
- return;
- }
-
- /* Otherwise we truncate the string in an ugly fashion */
- memcpy (dest, buf, dlen);
- dest[dlen - 1] = '\0'; /* assume original dlen > 0 */
- }
-}
-
-size_t my_mbstowcs (wchar_t ** pwbuf, size_t * pwbuflen, size_t i, const char *buf)
-{
- wchar_t wc;
- mbstate_t st;
- size_t k;
- wchar_t *wbuf;
- size_t wbuflen;
-
- wbuf = *pwbuf, wbuflen = *pwbuflen;
- p_clear(&st, 1);
- for (; (k = mbrtowc (&wc, buf, MB_LEN_MAX, &st)) &&
- k != (size_t) (-1) && k != (size_t) (-2); buf += k) {
- if (i >= wbuflen) {
- wbuflen = i + 20;
- p_realloc(&wbuf, wbuflen);
- }
- wbuf[i++] = wc;
- }
- *pwbuf = wbuf, *pwbuflen = wbuflen;
- return i;
-}
-
-/*
- * Replace part of the wchar_t buffer, from FROM to CURPOS, by BUF.
- */
-
-static void replace_part (ENTER_STATE *state, size_t from, const char *buf)
-{
- /* Save the suffix */
- size_t savelen = state->lastchar - state->curpos;
- wchar_t *savebuf = p_new(wchar_t, savelen);
-
- memcpy (savebuf, state->wbuf + state->curpos, savelen * sizeof (wchar_t));
-
- /* Convert to wide characters */
- state->curpos = my_mbstowcs(&state->wbuf, &state->wbuflen, from, buf);
-
- /* Make space for suffix */
- if (state->curpos + savelen > state->wbuflen) {
- state->wbuflen = state->curpos + savelen;
- p_realloc(&state->wbuf, state->wbuflen);
- }
-
- /* Restore suffix */
- memcpy (state->wbuf + state->curpos, savebuf, savelen * sizeof (wchar_t));
- state->lastchar = state->curpos + savelen;
-
- p_delete(&savebuf);
-}
-
-/*
- * Returns:
- * 1 need to redraw the screen and call me again
- * 0 if input was given
- * -1 if abort.
- */
-
-int mutt_enter_string (char *buf, size_t buflen, int y, int x, int flags)
-{
- int rv;
- ENTER_STATE *es = mutt_new_enter_state ();
-
- rv = _mutt_enter_string (buf, buflen, y, x, flags, 0, NULL, NULL, es);
- mutt_free_enter_state (&es);
- return rv;
-}
-
-int _mutt_enter_string (char *buf, size_t buflen, int y, int x,
- int flags, int multiple, char ***files, int *numfiles,
- ENTER_STATE * state)
-{
- int width = COLS - x - 1;
- int redraw;
- int pass = (flags & M_PASS);
- int first = 1;
- int ch, w, r;
- size_t i;
- wchar_t *tempbuf = 0;
- size_t templen = 0;
- history_class_t hclass;
- wchar_t wc;
- mbstate_t mbstate;
-
- int rv = 0;
-
- p_clear(&mbstate, 1);
-
- if (state->wbuf) {
- /* Coming back after return 1 */
- redraw = M_REDRAW_LINE;
- }
- else {
- /* Initialise wbuf from buf */
- state->wbuflen = 0;
- state->lastchar = my_mbstowcs (&state->wbuf, &state->wbuflen, 0, buf);
- redraw = M_REDRAW_INIT;
- }
-
- if (flags & (M_FILE | M_EFILE))
- hclass = HC_FILE;
- else if (flags & M_CMD)
- hclass = HC_CMD;
- else if (flags & M_ALIAS)
- hclass = HC_ALIAS;
- else if (flags & M_COMMAND)
- hclass = HC_COMMAND;
- else if (flags & M_PATTERN)
- hclass = HC_PATTERN;
- else
- hclass = HC_OTHER;
-
- for (;;) {
- if (redraw && !pass) {
- if (redraw == M_REDRAW_INIT) {
- /* Go to end of line */
- state->curpos = state->lastchar;
- state->begin =
- width_ceiling (state->wbuf, state->lastchar,
- my_wcswidth (state->wbuf,
- state->lastchar) - width + 1);
- }
- if (state->curpos < state->begin ||
- my_wcswidth (state->wbuf + state->begin,
- state->curpos - state->begin) >= width)
- state->begin =
- width_ceiling (state->wbuf, state->lastchar,
- my_wcswidth (state->wbuf,
- state->curpos) - width / 2);
- move (y, x);
- w = 0;
- for (i = state->begin; i < state->lastchar; i++) {
- w += my_wcwidth (state->wbuf[i]);
- if (w > width)
- break;
- my_addwch (state->wbuf[i]);
- }
- clrtoeol ();
- move (y,
- x + my_wcswidth (state->wbuf + state->begin,
- state->curpos - state->begin));
- }
- mutt_refresh ();
-
- if ((ch = km_dokey (MENU_EDITOR)) == -1) {
- rv = -1;
- goto bye;
- }
-
- if (ch != OP_NULL) {
- first = 0;
- if (ch != OP_EDITOR_COMPLETE && ch != OP_EDITOR_COMPLETE_QUERY)
- state->tabs = 0;
- redraw = M_REDRAW_LINE;
- switch (ch) {
- case OP_EDITOR_HISTORY_UP:
- state->curpos = state->lastchar;
- replace_part(state, 0, mutt_history_prev(hclass));
- redraw = M_REDRAW_INIT;
- break;
-
- case OP_EDITOR_HISTORY_DOWN:
- state->curpos = state->lastchar;
- replace_part(state, 0, mutt_history_next(hclass));
- redraw = M_REDRAW_INIT;
- break;
-
- case OP_EDITOR_BACKSPACE:
- if (state->curpos == 0)
- BEEP ();
- else {
- i = state->curpos;
- while (i && COMB_CHAR (state->wbuf[i - 1]))
- --i;
- if (i)
- --i;
- memmove (state->wbuf + i, state->wbuf + state->curpos,
- (state->lastchar - state->curpos) * sizeof (wchar_t));
- state->lastchar -= state->curpos - i;
- state->curpos = i;
- }
- break;
-
- case OP_EDITOR_BOL:
- state->curpos = 0;
- break;
-
- case OP_EDITOR_EOL:
- redraw = M_REDRAW_INIT;
- break;
-
- case OP_EDITOR_KILL_LINE:
- state->curpos = state->lastchar = 0;
- break;
-
- case OP_EDITOR_KILL_EOL:
- state->lastchar = state->curpos;
- break;
-
- case OP_EDITOR_BACKWARD_CHAR:
- if (state->curpos == 0)
- BEEP ();
- else {
- while (state->curpos && COMB_CHAR (state->wbuf[state->curpos - 1]))
- state->curpos--;
- if (state->curpos)
- state->curpos--;
- }
- break;
-
- case OP_EDITOR_FORWARD_CHAR:
- if (state->curpos == state->lastchar)
- BEEP ();
- else {
- ++state->curpos;
- while (state->curpos < state->lastchar
- && COMB_CHAR (state->wbuf[state->curpos]))
- ++state->curpos;
- }
- break;
-
- case OP_EDITOR_BACKWARD_WORD:
- if (state->curpos == 0)
- BEEP ();
- else {
- while (state->curpos && iswspace (state->wbuf[state->curpos - 1]))
- --state->curpos;
- while (state->curpos && !iswspace (state->wbuf[state->curpos - 1]))
- --state->curpos;
- }
- break;
-
- case OP_EDITOR_FORWARD_WORD:
- if (state->curpos == state->lastchar)
- BEEP ();
- else {
- while (state->curpos < state->lastchar
- && iswspace (state->wbuf[state->curpos]))
- ++state->curpos;
- while (state->curpos < state->lastchar
- && !iswspace (state->wbuf[state->curpos]))
- ++state->curpos;
- }
- break;
-
- case OP_EDITOR_CAPITALIZE_WORD:
- case OP_EDITOR_UPCASE_WORD:
- case OP_EDITOR_DOWNCASE_WORD:
- if (state->curpos == state->lastchar) {
- BEEP ();
- break;
- }
- while (state->curpos && !iswspace (state->wbuf[state->curpos]))
- --state->curpos;
- while (state->curpos < state->lastchar
- && iswspace (state->wbuf[state->curpos]))
- ++state->curpos;
- while (state->curpos < state->lastchar
- && !iswspace (state->wbuf[state->curpos])) {
- if (ch == OP_EDITOR_DOWNCASE_WORD)
- state->wbuf[state->curpos] =
- towlower (state->wbuf[state->curpos]);
- else {
- state->wbuf[state->curpos] =
- towupper (state->wbuf[state->curpos]);
- if (ch == OP_EDITOR_CAPITALIZE_WORD)
- ch = OP_EDITOR_DOWNCASE_WORD;
- }
- state->curpos++;
- }
- break;
-
- case OP_EDITOR_DELETE_CHAR:
- if (state->curpos == state->lastchar)
- BEEP ();
- else {
- i = state->curpos;
- while (i < state->lastchar && COMB_CHAR (state->wbuf[i]))
- ++i;
- if (i < state->lastchar)
- ++i;
- while (i < state->lastchar && COMB_CHAR (state->wbuf[i]))
- ++i;
- memmove (state->wbuf + state->curpos, state->wbuf + i,
- (state->lastchar - i) * sizeof (wchar_t));
- state->lastchar -= i - state->curpos;
- }
- break;
-
- case OP_EDITOR_KILL_WORD:
- /* delete to begining of word */
- if (state->curpos != 0) {
- i = state->curpos;
- while (i && iswspace (state->wbuf[i - 1]))
- --i;
- if (i) {
- if (iswalnum (state->wbuf[i - 1])) {
- for (--i; i && iswalnum (state->wbuf[i - 1]); i--);
- }
- else
- --i;
- }
- memmove (state->wbuf + i, state->wbuf + state->curpos,
- (state->lastchar - state->curpos) * sizeof (wchar_t));
- state->lastchar += i - state->curpos;
- state->curpos = i;
- }
- break;
-
- case OP_EDITOR_KILL_EOW:
- /* delete to end of word */
- for (i = state->curpos;
- i < state->lastchar && iswspace (state->wbuf[i]); i++);
- for (; i < state->lastchar && !iswspace (state->wbuf[i]); i++);
- memmove (state->wbuf + state->curpos, state->wbuf + i,
- (state->lastchar - i) * sizeof (wchar_t));
- state->lastchar += state->curpos - i;
- break;
-
- case OP_EDITOR_BUFFY_CYCLE:
- if (flags & M_EFILE) {
- first = 1; /* clear input if user types a real key later */
- my_wcstombs (buf, buflen, state->wbuf, state->curpos);
- buffy_next (buf, buflen);
- state->curpos = state->lastchar =
- my_mbstowcs (&state->wbuf, &state->wbuflen, 0, buf);
- break;
- }
- else if (!(flags & M_FILE))
- goto self_insert;
- /* fall through to completion routine (M_FILE) */
-
- case OP_EDITOR_COMPLETE:
- case OP_EDITOR_COMPLETE_QUERY:
- state->tabs++;
- if (flags & M_CMD) {
- for (i = state->curpos; i && state->wbuf[i - 1] != ' '; i--);
- my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
- if (tempbuf && templen == state->lastchar - i &&
- !memcmp (tempbuf, state->wbuf + i,
- (state->lastchar - i) * sizeof (wchar_t))) {
- mutt_select_file (buf, buflen,
- (flags & M_EFILE) ? M_SEL_FOLDER : 0);
- set_option (OPTNEEDREDRAW);
- if (*buf)
- replace_part (state, i, buf);
- rv = 1;
- goto bye;
- }
- if (!mutt_complete (buf, buflen)) {
- templen = state->lastchar - i;
- p_realloc(&tempbuf, templen);
- }
- else
- BEEP ();
-
- replace_part (state, i, buf);
- }
- else if (flags & M_ALIAS && ch == OP_EDITOR_COMPLETE) {
- /* invoke the alias-menu to get more addresses */
- for (i = state->curpos; i && state->wbuf[i - 1] != ',' &&
- state->wbuf[i - 1] != ':'; i--);
- for (; i < state->lastchar && state->wbuf[i] == ' '; i++);
- my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
- r = mutt_alias_complete (buf, buflen);
- replace_part (state, i, buf);
- if (!r) {
- rv = 1;
- goto bye;
- }
- break;
- } else if (flags & M_ALIAS && ch == OP_EDITOR_COMPLETE_QUERY) {
- /* invoke the query-menu to get more addresses */
- if ((i = state->curpos)) {
- for (; i && state->wbuf[i - 1] != ','; i--);
- for (; i < state->curpos && state->wbuf[i] == ' '; i++);
- }
- my_wcstombs (buf, buflen, state->wbuf + i, state->curpos - i);
- mutt_query_complete (buf, buflen);
- replace_part (state, i, buf);
- rv = 1;
- goto bye;
- } else if (flags & M_COMMAND) {
- my_wcstombs (buf, buflen, state->wbuf, state->curpos);
- i = m_strlen(buf);
- if (i && buf[i - 1] == '=' &&
- mutt_var_value_complete (buf, buflen, i))
- state->tabs = 0;
- else if (!mutt_command_complete (buf, buflen, i, state->tabs))
- BEEP ();
- replace_part (state, 0, buf);
- }
- else if (flags & (M_FILE | M_EFILE)) {
- my_wcstombs (buf, buflen, state->wbuf, state->curpos);
-
- /* see if the path has changed from the last time */
- if ((!tempbuf && !state->lastchar)
- || (tempbuf && templen == state->lastchar
- && !memcmp (tempbuf, state->wbuf,
- state->lastchar * sizeof (wchar_t)))) {
- _mutt_select_file (buf, buflen,
- ((flags & M_EFILE) ? M_SEL_FOLDER : 0) |
- (multiple ? M_SEL_MULTI : 0), files, numfiles);
- set_option (OPTNEEDREDRAW);
- if (*buf) {
- mutt_pretty_mailbox (buf);
- if (!pass)
- mutt_history_add (hclass, buf);
- rv = 0;
- goto bye;
- }
-
- /* file selection cancelled */
- rv = 1;
- goto bye;
- }
-
- if (!mutt_complete (buf, buflen)) {
- templen = state->lastchar;
- p_realloc(&tempbuf, templen);
- memcpy (tempbuf, state->wbuf, templen * sizeof (wchar_t));
- }
- else
- BEEP (); /* let the user know that nothing matched */
- replace_part (state, 0, buf);
- }
- else
- goto self_insert;
- break;
-
- case OP_EDITOR_QUOTE_CHAR:
- {
- event_t event;
-
- /*ADDCH (LastKey); */
- event = mutt_getch ();
- if (event.ch != -1) {
- LastKey = event.ch;
- goto self_insert;
- }
- }
-
- case OP_EDITOR_TRANSPOSE_CHARS:
- if (state->lastchar < 2)
- BEEP ();
- else {
- wchar_t t;
-
- if (state->curpos == 0)
- state->curpos = 2;
- else if (state->curpos < state->lastchar)
- ++state->curpos;
-
- t = state->wbuf[state->curpos - 2];
- state->wbuf[state->curpos - 2] = state->wbuf[state->curpos - 1];
- state->wbuf[state->curpos - 1] = t;
- }
- break;
-
- default:
- BEEP ();
- }
- }
- else {
-
- self_insert:
-
- state->tabs = 0;
- /* use the raw keypress */
- ch = LastKey;
-
- if ((ch == '#') && (flags & M_LASTFOLDER)) {
- rv = 2;
- my_wcstombs (buf, buflen, state->wbuf, state->lastchar);
- goto bye;
- }
-
-#ifdef KEY_ENTER
- /* treat ENTER the same as RETURN */
- if (ch == KEY_ENTER)
- ch = '\r';
-#endif
-
- /* quietly ignore all other function keys */
- if (ch & ~0xff)
- continue;
-
- /* gather the octets into a wide character */
- {
- char c;
- size_t k;
-
- c = ch;
- k = mbrtowc (&wc, &c, 1, &mbstate);
- if (k == (size_t) (-2))
- continue;
- else if (k && k != 1) {
- p_clear(&mbstate, 1);
- continue;
- }
- }
-
- if (first && (flags & M_CLEAR)) {
- first = 0;
- if (IsWPrint (wc)) /* why? */
- state->curpos = state->lastchar = 0;
- }
-
- if (wc == '\r' || wc == '\n') {
- /* Convert from wide characters */
- my_wcstombs (buf, buflen, state->wbuf, state->lastchar);
- if (!pass)
- mutt_history_add (hclass, buf);
-
- if (multiple) {
- char **tfiles;
-
- *numfiles = 1;
- tfiles = p_new(char *, *numfiles);
- mutt_expand_path (buf, buflen);
- tfiles[0] = m_strdup(buf);
- *files = tfiles;
- }
- rv = 0;
- goto bye;
- }
- else if (wc && (wc < ' ' || IsWPrint (wc))) { /* why? */
- if (state->lastchar >= state->wbuflen) {
- state->wbuflen = state->lastchar + 20;
- p_realloc(&state->wbuf, state->wbuflen);
- }
- memmove (state->wbuf + state->curpos + 1, state->wbuf + state->curpos,
- (state->lastchar - state->curpos) * sizeof (wchar_t));
- state->wbuf[state->curpos++] = wc;
- state->lastchar++;
- }
- else {
- mutt_flushinp ();
- BEEP ();
- }
- }
- }
-
-bye:
-
- p_delete(&tempbuf);
- return rv;
-}
-
-void mutt_free_enter_state (ENTER_STATE ** esp)
-{
- if (!esp)
- return;
-
- p_delete(&(*esp)->wbuf);
- p_delete(esp);
-}
-
-/*
- * TODO:
- * very narrow screen might crash it
- * sort out the input side
- * unprintable chars
- */
projects / apps / madmutt.git / blobdiff