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 */
32 rxvt_strdup (const char *str)
34 return str ? strdup (str) : 0;
39 rxvt_r_basename (const char *str)
41 char *base = STRRCHR (str, '/');
43 return (char *) (base ? base + 1 : str);
47 * Print an error message
51 rxvt_print_error (const char *fmt,...)
55 va_start (arg_ptr, fmt);
56 fprintf (stderr, APL_NAME ": ");
57 vfprintf (stderr, fmt, arg_ptr);
58 fprintf (stderr, "\n");
63 * check that the first characters of S1 match S2
72 rxvt_Str_match (const char *s1, const char *s2)
76 return ((STRNCMP (s1, s2, n) == 0) ? n : 0);
81 rxvt_Str_skip_space (const char *str)
84 while (*str && isspace (*str))
91 * remove leading/trailing space and strip-off leading/trailing quotes.
96 rxvt_Str_trim (char *str)
101 if (!str || !*str) /* shortcut */
104 /* skip leading spaces */
105 for (s = str; *s && isspace (*s); s++) ;
106 /* goto end of string */
107 for (n = 0, r = s; *r++; n++) ;
110 if (n > 0 && *r == '\n')
112 /* backtrack along trailing spaces */
113 for (; n > 0 && isspace (*r); r--, n--) ;
114 /* skip matching leading/trailing quotes */
115 if (*s == '"' && *r == '"' && n > 1)
121 /* copy back over: forwards copy */
122 for (r = str; n; n--)
130 * in-place interpretation of string:
132 * backslash-escaped: "\a\b\E\e\n\r\t", "\octal"
133 * Ctrl chars: ^@ .. ^_, ^?
135 * Emacs-style: "M-" prefix
138 * "M-x" prefixed strings, append "\r" if needed
139 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed
141 * returns the converted string length
145 rxvt_Str_escaped (char *str)
148 int i, num, append = 0;
155 if (*s == 'M' && s[1] == '-')
157 /* Emacs convenience, replace leading `M-..' with `\E..' */
160 if (toupper (*s) == 'X')
161 /* append carriage-return for `M-xcommand' */
162 for (*d++ = 'x', append = '\r', s++; isspace (*s); s++) ;
169 if (ch >= '0' && ch <= '7')
172 for (i = 0; i < 2; i++, s++)
175 if (ch < '0' || ch > '7')
177 num = num * 8 + ch - '0';
182 ch = C0_BEL; /* bell */
184 ch = C0_BS; /* backspace */
185 else if (ch == 'E' || ch == 'e')
186 ch = C0_ESC; /* escape */
188 ch = '\n'; /* newline */
190 ch = '\r'; /* carriage-return */
192 ch = C0_HT; /* tab */
198 ch = (ch == '?' ? 127 : (ch - '@'));
203 /* ESC] is an XTerm escape sequence, must be terminated */
204 if (*str == '\0' && str[1] == C0_ESC && str[2] == ']')
207 /* add trailing character as required */
208 if (append && d[-1] != append)
216 * Split a comma-separated string into an array, stripping leading and
217 * trailing spaces (and paired quotes) from each entry. Empty strings
218 * are properly returned
219 * Caller should free each entry and array when done
223 rxvt_splitcommastring (const char *cs)
229 if ((s = cs) == NULL)
232 for (n = 1, t = s; *t; t++)
235 ret = (char **)malloc ((n + 1) * sizeof (char *));
238 for (l = 0, t = s; l < n; l++)
240 for ( ; *t && *t != ','; t++) ;
242 ret[l] = (char *)malloc (p + 1);
243 strncpy (ret[l], s, p);
245 rxvt_Str_trim (ret[l]);
251 /*----------------------------------------------------------------------*
255 /* #define DEBUG_SEARCH_PATH */
257 #if defined (XPM_BACKGROUND) || (MENUBAR_MAX)
259 * search for FILE in the current working directory, and within the
260 * colon-delimited PATHLIST, adding the file extension EXT if required.
262 * FILE is either semi-colon or zero terminated
266 rxvt_File_search_path (const char *pathlist, const char *file, const char *ext)
269 const char *p, *path;
272 if (!access (file, R_OK)) /* found (plain name) in current directory */
273 return STRDUP (file);
275 /* semi-colon delimited */
276 if ((p = STRCHR (file, ';')))
281 #ifdef DEBUG_SEARCH_PATH
282 getcwd (name, sizeof (name));
283 fprintf (stderr, "pwd: \"%s\"\n", name);
284 fprintf (stderr, "find: \"%.*s\"\n", len, file);
287 /* leave room for an extra '/' and trailing '\0' */
288 maxpath = sizeof (name) - (len + (ext ? STRLEN (ext) : 0) + 2);
292 /* check if we can find it now */
293 STRNCPY (name, file, len);
296 if (!access (name, R_OK))
297 return STRDUP (name);
301 if (!access (name, R_OK))
302 return STRDUP (name);
304 for (path = pathlist; path != NULL && *path != '\0'; path = p)
308 /* colon delimited */
309 if ((p = STRCHR (path, ':')) == NULL)
310 p = STRCHR (path, '\0');
316 if (n > 0 && n <= maxpath)
318 STRNCPY (name, path, n);
319 if (name[n - 1] != '/')
322 STRNCAT (name, file, len);
324 if (!access (name, R_OK))
325 return STRDUP (name);
329 if (!access (name, R_OK))
330 return STRDUP (name);
339 rxvt_File_find (const char *file, const char *ext, const char *path)
343 if (file == NULL || *file == '\0')
346 /* search environment variables here too */
347 if ((f = rxvt_File_search_path (path, file, ext)) == NULL)
349 if ((f = rxvt_File_search_path (getenv (PATH_ENV), file, ext)) == NULL)
351 f = rxvt_File_search_path (getenv ("PATH"), file, ext);
353 #ifdef DEBUG_SEARCH_PATH
355 fprintf (stderr, "found: \"%s\"\n", f);
360 #endif /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */
362 /*----------------------------------------------------------------------*
363 * miscellaneous drawing routines
367 * Draw top/left and bottom/right border shadows around windows
369 #if defined(RXVT_SCROLLBAR) || defined(MENUBAR)
372 rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
376 shadow = (w == 0 || h == 0) ? 1 : SHADOW;
379 for (; shadow-- > 0; x++, y++, w--, h--)
381 XDrawLine (display, win, topShadow, x, y, w, y);
382 XDrawLine (display, win, topShadow, x, y, x, h);
383 XDrawLine (display, win, botShadow, w, h, w, y + 1);
384 XDrawLine (display, win, botShadow, w, h, x + 1, h);
393 rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
397 case 'r': /* right triangle */
398 XDrawLine (display, win, topShadow, x, y, x, y + w);
399 XDrawLine (display, win, topShadow, x, y, x + w, y + w / 2);
400 XDrawLine (display, win, botShadow, x, y + w, x + w, y + w / 2);
403 case 'l': /* left triangle */
404 XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
405 XDrawLine (display, win, botShadow, x + w, y + w, x, y + w / 2);
406 XDrawLine (display, win, topShadow, x, y + w / 2, x + w, y);
409 case 'd': /* down triangle */
410 XDrawLine (display, win, topShadow, x, y, x + w / 2, y + w);
411 XDrawLine (display, win, topShadow, x, y, x + w, y);
412 XDrawLine (display, win, botShadow, x + w, y, x + w / 2, y + w);
415 case 'u': /* up triangle */
416 XDrawLine (display, win, botShadow, x + w, y + w, x + w / 2, y);
417 XDrawLine (display, win, botShadow, x + w, y + w, x, y + w);
418 XDrawLine (display, win, topShadow, x, y + w, x + w / 2, y);
421 case 's': /* square */
422 XDrawLine (display, win, topShadow, x + w, y, x, y);
423 XDrawLine (display, win, topShadow, x, y, x, y + w);
424 XDrawLine (display, win, botShadow, x, y + w, x + w, y + w);
425 XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
432 /*----------------------- end-of-file (C source) -----------------------*/