1 /*--------------------------------*-C-*---------------------------------*
3 *----------------------------------------------------------------------*
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1996 mj olesen <olesen@me.QueensU.CA> Queen's Univ at Kingston
7 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
8 * Copyright (c) 1998-2000 Geoff Wing <gcw@pobox.com>
9 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *----------------------------------------------------------------------*/
26 #include "../config.h" /* NECESSARY */
27 #include "rxvt.h" /* NECESSARY */
28 #include "misc.intpro" /* PROTOS for internal routines */
31 rxvt_wcstombs (const wchar_t *str, int len)
33 if (len < 0) len = wcslen (str);
36 char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1);
41 int l = wcrtomb (dst, *str++, mbs);
54 rxvt_mbstowcs (const char *str, int len)
56 if (len < 0) len = strlen (str);
58 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t));
60 if (mbstowcs (r, str, len + 1) < 0)
67 rxvt_wcstoutf8 (const wchar_t *str, int len)
69 if (len < 0) len = wcslen (str);
71 char *r = (char *)rxvt_malloc (len * 4 + 1);
76 unicode_t w = *str++ & UNICODE_MASK;
80 else if (w < 0x000800)
81 *p++ = 0xc0 | ( w >> 6),
82 *p++ = 0x80 | ( w & 0x3f);
83 else if (w < 0x010000)
84 *p++ = 0xe0 | ( w >> 12 ),
85 *p++ = 0x80 | ((w >> 6) & 0x3f),
86 *p++ = 0x80 | ( w & 0x3f);
87 else if (w < 0x110000)
88 *p++ = 0xf0 | ( w >> 18),
89 *p++ = 0x80 | ((w >> 12) & 0x3f),
90 *p++ = 0x80 | ((w >> 6) & 0x3f),
91 *p++ = 0x80 | ( w & 0x3f);
102 rxvt_utf8towcs (const char *str, int len)
104 if (len < 0) len = strlen (str);
106 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)),
109 unsigned char *s = (unsigned char *)str,
118 else if (s[0] < 0x80)
121 && s[0] >= 0xc2 && s[0] <= 0xdf
122 && (s[1] & 0xc0) == 0x80)
124 *p++ = ((s[0] & 0x1f) << 6)
129 && ( (s[0] == 0xe0 && s[1] >= 0xa0 && s[1] <= 0xbf)
130 || (s[0] >= 0xe1 && s[0] <= 0xec && s[1] >= 0x80 && s[1] <= 0xbf)
131 || (s[0] == 0xed && s[1] >= 0x80 && s[1] <= 0x9f)
132 || (s[0] >= 0xee && s[0] <= 0xef && s[1] >= 0x80 && s[1] <= 0xbf)
134 && (s[2] & 0xc0) == 0x80)
136 *p++ = ((s[0] & 0x0f) << 12)
137 | ((s[1] & 0x3f) << 6)
142 && ( (s[0] == 0xf0 && s[1] >= 0x90 && s[1] <= 0xbf)
143 || (s[0] >= 0xf1 && s[0] <= 0xf3 && s[1] >= 0x80 && s[1] <= 0xbf)
144 || (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f)
146 && (s[2] & 0xc0) == 0x80
147 && (s[3] & 0xc0) == 0x80)
149 *p++ = ((s[0] & 0x07) << 18)
150 | ((s[1] & 0x3f) << 12)
151 | ((s[2] & 0x3f) << 6)
168 rxvt_strdup (const char *str)
170 return str ? strdup (str) : 0;
175 rxvt_r_basename (const char *str)
177 char *base = strrchr (str, '/');
179 return (char *) (base ? base + 1 : str);
183 * Print an error message
187 rxvt_vlog (const char *fmt, va_list arg_ptr)
191 vsnprintf (msg, sizeof msg, fmt, arg_ptr);
193 if (GET_R && GET_R->log_hook)
194 (*GET_R->log_hook) (msg);
196 write (STDOUT_FILENO, msg, strlen (msg));
201 rxvt_log (const char *fmt,...)
205 va_start (arg_ptr, fmt);
206 rxvt_vlog (fmt, arg_ptr);
211 * Print an error message
215 rxvt_warn (const char *fmt,...)
219 rxvt_log ("%s: ", RESNAME);
221 va_start (arg_ptr, fmt);
222 rxvt_vlog (fmt, arg_ptr);
228 rxvt_fatal (const char *fmt,...)
232 rxvt_log ("%s: ", RESNAME);
234 va_start (arg_ptr, fmt);
235 rxvt_vlog (fmt, arg_ptr);
238 rxvt_exit_failure ();
241 class rxvt_failure_exception rxvt_failure_exception;
247 throw (rxvt_failure_exception);
251 * check that the first characters of S1 match S2
256 * return: strlen (S2)
260 rxvt_Str_match (const char *s1, const char *s2)
264 return ((strncmp (s1, s2, n) == 0) ? n : 0);
269 rxvt_Str_skip_space (const char *str)
272 while (*str && isspace (*str))
279 * remove leading/trailing space and strip-off leading/trailing quotes.
284 rxvt_Str_trim (char *str)
289 if (!str || !*str) /* shortcut */
292 /* skip leading spaces */
293 for (s = str; *s && isspace (*s); s++) ;
294 /* goto end of string */
295 for (n = 0, r = s; *r++; n++) ;
298 if (n > 0 && *r == '\n')
300 /* backtrack along trailing spaces */
301 for (; n > 0 && isspace (*r); r--, n--) ;
302 /* skip matching leading/trailing quotes */
303 if (*s == '"' && *r == '"' && n > 1)
309 /* copy back over: forwards copy */
310 for (r = str; n; n--)
318 * in-place interpretation of string:
320 * backslash-escaped: "\a\b\E\e\n\r\t", "\octal"
321 * Ctrl chars: ^@ .. ^_, ^?
323 * Emacs-style: "M-" prefix
326 * "M-x" prefixed strings, append "\r" if needed
327 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed
329 * returns the converted string length
333 rxvt_Str_escaped (char *str)
336 int i, num, append = 0;
343 if (*s == 'M' && s[1] == '-')
345 /* Emacs convenience, replace leading `M-..' with `\E..' */
348 if (toupper (*s) == 'X')
349 /* append carriage-return for `M-xcommand' */
350 for (*d++ = 'x', append = '\r', s++; isspace (*s); s++) ;
357 if (ch >= '0' && ch <= '7')
360 for (i = 0; i < 2; i++, s++)
363 if (ch < '0' || ch > '7')
365 num = num * 8 + ch - '0';
370 ch = C0_BEL; /* bell */
372 ch = C0_BS; /* backspace */
373 else if (ch == 'E' || ch == 'e')
374 ch = C0_ESC; /* escape */
376 ch = '\n'; /* newline */
378 ch = '\r'; /* carriage-return */
380 ch = C0_HT; /* tab */
386 ch = (ch == '?' ? 127 : (ch - '@'));
391 /* ESC] is an XTerm escape sequence, must be terminated */
392 if (*str == '\0' && str[1] == C0_ESC && str[2] == ']')
395 /* add trailing character as required */
396 if (append && d[-1] != append)
404 * Split a comma-separated string into an array, stripping leading and
405 * trailing spaces (and paired quotes) from each entry. Empty strings
406 * are properly returned
407 * Caller should free each entry and array when done
411 rxvt_splitcommastring (const char *cs)
417 if ((s = cs) == NULL)
420 for (n = 1, t = s; *t; t++)
423 ret = (char **)malloc ((n + 1) * sizeof (char *));
426 for (l = 0, t = s; l < n; l++)
428 for ( ; *t && *t != ','; t++) ;
430 ret[l] = (char *)malloc (p + 1);
431 strncpy (ret[l], s, p);
433 rxvt_Str_trim (ret[l]);
440 rxvt_freecommastring (char **cs)
442 for (int i = 0; cs[i]; ++i)
448 /*----------------------------------------------------------------------*
452 /* #define DEBUG_SEARCH_PATH */
454 #if defined (XPM_BACKGROUND) || (MENUBAR_MAX)
456 * search for FILE in the current working directory, and within the
457 * colon-delimited PATHLIST, adding the file extension EXT if required.
459 * FILE is either semi-colon or zero terminated
463 rxvt_File_search_path (const char *pathlist, const char *file, const char *ext)
466 const char *p, *path;
469 if (!access (file, R_OK)) /* found (plain name) in current directory */
470 return strdup (file);
472 /* semi-colon delimited */
473 if ((p = strchr (file, ';')))
478 #ifdef DEBUG_SEARCH_PATH
479 getcwd (name, sizeof (name));
480 fprintf (stderr, "pwd: \"%s\"\n", name);
481 fprintf (stderr, "find: \"%.*s\"\n", len, file);
484 /* leave room for an extra '/' and trailing '\0' */
485 maxpath = sizeof (name) - (len + (ext ? strlen (ext) : 0) + 2);
489 /* check if we can find it now */
490 strncpy (name, file, len);
493 if (!access (name, R_OK))
494 return strdup (name);
498 if (!access (name, R_OK))
499 return strdup (name);
501 for (path = pathlist; path != NULL && *path != '\0'; path = p)
505 /* colon delimited */
506 if ((p = strchr (path, ':')) == NULL)
507 p = strchr (path, '\0');
513 if (n > 0 && n <= maxpath)
515 strncpy (name, path, n);
516 if (name[n - 1] != '/')
519 strncat (name, file, len);
521 if (!access (name, R_OK))
522 return strdup (name);
526 if (!access (name, R_OK))
527 return strdup (name);
536 rxvt_File_find (const char *file, const char *ext, const char *path)
540 if (file == NULL || *file == '\0')
543 /* search environment variables here too */
544 if ((f = rxvt_File_search_path (path, file, ext)) == NULL)
546 if ((f = rxvt_File_search_path (getenv (PATH_ENV), file, ext)) == NULL)
548 f = rxvt_File_search_path (getenv ("PATH"), file, ext);
550 #ifdef DEBUG_SEARCH_PATH
552 fprintf (stderr, "found: \"%s\"\n", f);
557 #endif /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */
559 /*----------------------------------------------------------------------*
560 * miscellaneous drawing routines
564 * Draw top/left and bottom/right border shadows around windows
566 #if defined(RXVT_SCROLLBAR) || defined(MENUBAR)
569 rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
573 shadow = (w == 0 || h == 0) ? 1 : SHADOW;
576 for (; shadow-- > 0; x++, y++, w--, h--)
578 XDrawLine (display, win, topShadow, x, y, w, y);
579 XDrawLine (display, win, topShadow, x, y, x, h);
580 XDrawLine (display, win, botShadow, w, h, w, y + 1);
581 XDrawLine (display, win, botShadow, w, h, x + 1, h);
590 rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
594 case 'r': /* right triangle */
595 XDrawLine (display, win, topShadow, x, y, x, y + w);
596 XDrawLine (display, win, topShadow, x, y, x + w, y + w / 2);
597 XDrawLine (display, win, botShadow, x, y + w, x + w, y + w / 2);
600 case 'l': /* left triangle */
601 XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
602 XDrawLine (display, win, botShadow, x + w, y + w, x, y + w / 2);
603 XDrawLine (display, win, topShadow, x, y + w / 2, x + w, y);
606 case 'd': /* down triangle */
607 XDrawLine (display, win, topShadow, x, y, x + w / 2, y + w);
608 XDrawLine (display, win, topShadow, x, y, x + w, y);
609 XDrawLine (display, win, botShadow, x + w, y, x + w / 2, y + w);
612 case 'u': /* up triangle */
613 XDrawLine (display, win, botShadow, x + w, y + w, x + w / 2, y);
614 XDrawLine (display, win, botShadow, x + w, y + w, x, y + w);
615 XDrawLine (display, win, topShadow, x, y + w, x + w / 2, y);
618 case 's': /* square */
619 XDrawLine (display, win, topShadow, x + w, y, x, y);
620 XDrawLine (display, win, topShadow, x, y, x, y + w);
621 XDrawLine (display, win, botShadow, x, y + w, x + w, y + w);
622 XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
629 /*----------------------- end-of-file (C source) -----------------------*/