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>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *----------------------------------------------------------------------*/
25 #include "../config.h" /* NECESSARY */
26 #include "rxvt.h" /* NECESSARY */
27 #include "misc.intpro" /* PROTOS for internal routines */
31 rxvt_strdup (const char *str)
33 return str ? strdup (str) : 0;
38 rxvt_r_basename(const char *str)
40 char *base = STRRCHR(str, '/');
42 return (char *)(base ? base + 1 : str);
46 * Print an error message
50 rxvt_print_error(const char *fmt,...)
54 va_start(arg_ptr, fmt);
55 fprintf(stderr, APL_NAME ": ");
56 vfprintf(stderr, fmt, arg_ptr);
57 fprintf(stderr, "\n");
62 * check that the first characters of S1 match S2
71 rxvt_Str_match(const char *s1, const char *s2)
75 return ((STRNCMP(s1, s2, n) == 0) ? n : 0);
80 rxvt_Str_skip_space(const char *str)
83 while (*str && isspace(*str))
89 * remove leading/trailing space and strip-off leading/trailing quotes.
94 rxvt_Str_trim(char *str)
99 if (!str || !*str) /* shortcut */
102 /* skip leading spaces */
103 for (s = str; *s && isspace(*s); s++) ;
104 /* goto end of string */
105 for (n = 0, r = s; *r++; n++) ;
108 if (n > 0 && *r == '\n')
110 /* backtrack along trailing spaces */
111 for (; n > 0 && isspace(*r); r--, n--) ;
112 /* skip matching leading/trailing quotes */
113 if (*s == '"' && *r == '"' && n > 1)
118 /* copy back over: forwards copy */
119 for (r = str; n; n--)
127 * in-place interpretation of string:
129 * backslash-escaped: "\a\b\E\e\n\r\t", "\octal"
130 * Ctrl chars: ^@ .. ^_, ^?
132 * Emacs-style: "M-" prefix
135 * "M-x" prefixed strings, append "\r" if needed
136 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed
138 * returns the converted string length
142 rxvt_Str_escaped(char *str)
145 int i, num, append = 0;
152 if (*s == 'M' && s[1] == '-')
154 /* Emacs convenience, replace leading `M-..' with `\E..' */
157 if (toupper(*s) == 'X')
158 /* append carriage-return for `M-xcommand' */
159 for (*d++ = 'x', append = '\r', s++; isspace(*s); s++) ;
166 if (ch >= '0' && ch <= '7')
169 for (i = 0; i < 2; i++, s++)
172 if (ch < '0' || ch > '7')
174 num = num * 8 + ch - '0';
179 ch = C0_BEL; /* bell */
181 ch = C0_BS; /* backspace */
182 else if (ch == 'E' || ch == 'e')
183 ch = C0_ESC; /* escape */
185 ch = '\n'; /* newline */
187 ch = '\r'; /* carriage-return */
189 ch = C0_HT; /* tab */
195 ch = (ch == '?' ? 127 : (ch - '@'));
200 /* ESC] is an XTerm escape sequence, must be terminated */
201 if (*str == '\0' && str[1] == C0_ESC && str[2] == ']')
204 /* add trailing character as required */
205 if (append && d[-1] != append)
213 * Split a comma-separated string into an array, stripping leading and
214 * trailing spaces (and paired quotes) from each entry. Empty strings
215 * are properly returned
216 * Caller should free each entry and array when done
220 rxvt_splitcommastring(const char *cs)
226 if ((s = cs) == NULL)
229 for (n = 1, t = s; *t; t++)
232 ret = (char **)malloc((n + 1) * sizeof(char *));
235 for (l = 0, t = s; l < n; l++)
237 for ( ; *t && *t != ','; t++) ;
239 ret[l] = (char *)malloc(p + 1);
240 strncpy(ret[l], s, p);
242 rxvt_Str_trim(ret[l]);
248 /*----------------------------------------------------------------------*
252 /* #define DEBUG_SEARCH_PATH */
254 #if defined (XPM_BACKGROUND) || (MENUBAR_MAX)
256 * search for FILE in the current working directory, and within the
257 * colon-delimited PATHLIST, adding the file extension EXT if required.
259 * FILE is either semi-colon or zero terminated
263 rxvt_File_search_path(const char *pathlist, const char *file, const char *ext)
266 const char *p, *path;
269 if (!access(file, R_OK)) /* found (plain name) in current directory */
272 /* semi-colon delimited */
273 if ((p = STRCHR(file, ';')))
278 #ifdef DEBUG_SEARCH_PATH
279 getcwd(name, sizeof(name));
280 fprintf(stderr, "pwd: \"%s\"\n", name);
281 fprintf(stderr, "find: \"%.*s\"\n", len, file);
284 /* leave room for an extra '/' and trailing '\0' */
285 maxpath = sizeof(name) - (len + (ext ? STRLEN(ext) : 0) + 2);
289 /* check if we can find it now */
290 STRNCPY(name, file, len);
293 if (!access(name, R_OK))
298 if (!access(name, R_OK))
301 for (path = pathlist; path != NULL && *path != '\0'; path = p)
305 /* colon delimited */
306 if ((p = STRCHR(path, ':')) == NULL)
307 p = STRCHR(path, '\0');
313 if (n > 0 && n <= maxpath)
315 STRNCPY(name, path, n);
316 if (name[n - 1] != '/')
319 STRNCAT(name, file, len);
321 if (!access(name, R_OK))
326 if (!access(name, R_OK))
336 rxvt_File_find(const char *file, const char *ext, const char *path)
340 if (file == NULL || *file == '\0')
343 /* search environment variables here too */
344 if ((f = rxvt_File_search_path(path, file, ext)) == NULL)
346 if ((f = rxvt_File_search_path(getenv(PATH_ENV), file, ext)) == NULL)
348 f = rxvt_File_search_path(getenv("PATH"), file, ext);
350 #ifdef DEBUG_SEARCH_PATH
352 fprintf(stderr, "found: \"%s\"\n", f);
357 #endif /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */
359 /*----------------------------------------------------------------------*
360 * miscellaneous drawing routines
364 * Draw top/left and bottom/right border shadows around windows
366 #if defined(RXVT_SCROLLBAR) || defined(MENUBAR)
369 rxvt_Draw_Shadow(Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
373 shadow = (w == 0 || h == 0) ? 1 : SHADOW;
376 for (; shadow-- > 0; x++, y++, w--, h--)
378 XDrawLine(display, win, topShadow, x, y, w, y);
379 XDrawLine(display, win, topShadow, x, y, x, h);
380 XDrawLine(display, win, botShadow, w, h, w, y + 1);
381 XDrawLine(display, win, botShadow, w, h, x + 1, h);
390 rxvt_Draw_Triangle(Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
394 case 'r': /* right triangle */
395 XDrawLine(display, win, topShadow, x, y, x, y + w);
396 XDrawLine(display, win, topShadow, x, y, x + w, y + w / 2);
397 XDrawLine(display, win, botShadow, x, y + w, x + w, y + w / 2);
400 case 'l': /* left triangle */
401 XDrawLine(display, win, botShadow, x + w, y + w, x + w, y);
402 XDrawLine(display, win, botShadow, x + w, y + w, x, y + w / 2);
403 XDrawLine(display, win, topShadow, x, y + w / 2, x + w, y);
406 case 'd': /* down triangle */
407 XDrawLine(display, win, topShadow, x, y, x + w / 2, y + w);
408 XDrawLine(display, win, topShadow, x, y, x + w, y);
409 XDrawLine(display, win, botShadow, x + w, y, x + w / 2, y + w);
412 case 'u': /* up triangle */
413 XDrawLine(display, win, botShadow, x + w, y + w, x + w / 2, y);
414 XDrawLine(display, win, botShadow, x + w, y + w, x, y + w);
415 XDrawLine(display, win, topShadow, x, y + w, x + w / 2, y);
418 case 's': /* square */
419 XDrawLine(display, win, topShadow, x + w, y, x, y);
420 XDrawLine(display, win, topShadow, x, y, x, y + w);
421 XDrawLine(display, win, botShadow, x, y + w, x + w, y + w);
422 XDrawLine(display, win, botShadow, x + w, y + w, x + w, y);
429 /*----------------------- end-of-file (C source) -----------------------*/