1 /*--------------------------------*-C-*---------------------------------*
3 *----------------------------------------------------------------------*
4 * $Id: misc.C,v 1.3 2004-01-31 00:20:21 pcg Exp $
6 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1996 mj olesen <olesen@me.QueensU.CA> Queen's Univ at Kingston
8 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
9 * Copyright (c) 1998-2000 Geoff Wing <gcw@pobox.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))
90 * remove leading/trailing space and strip-off leading/trailing quotes.
95 rxvt_Str_trim(char *str)
100 if (!str || !*str) /* shortcut */
103 /* skip leading spaces */
104 for (s = str; *s && isspace(*s); s++) ;
105 /* goto end of string */
106 for (n = 0, r = s; *r++; n++) ;
109 if (n > 0 && *r == '\n')
111 /* backtrack along trailing spaces */
112 for (; n > 0 && isspace(*r); r--, n--) ;
113 /* skip matching leading/trailing quotes */
114 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] == '-') {
153 /* Emacs convenience, replace leading `M-..' with `\E..' */
156 if (toupper(*s) == 'X')
157 /* append carriage-return for `M-xcommand' */
158 for (*d++ = 'x', append = '\r', s++; isspace(*s); s++) ;
160 for (; (ch = *s++);) {
163 if (ch >= '0' && ch <= '7') { /* octal */
165 for (i = 0; i < 2; i++, s++) {
167 if (ch < '0' || ch > '7')
169 num = num * 8 + ch - '0';
172 } else if (ch == 'a')
173 ch = C0_BEL; /* bell */
175 ch = C0_BS; /* backspace */
176 else if (ch == 'E' || ch == 'e')
177 ch = C0_ESC; /* escape */
179 ch = '\n'; /* newline */
181 ch = '\r'; /* carriage-return */
183 ch = C0_HT; /* tab */
184 } else if (ch == '^') {
187 ch = (ch == '?' ? 127 : (ch - '@'));
192 /* ESC] is an XTerm escape sequence, must be terminated */
193 if (*str == '\0' && str[1] == C0_ESC && str[2] == ']')
196 /* add trailing character as required */
197 if (append && d[-1] != append)
205 * Split a comma-separated string into an array, stripping leading and
206 * trailing spaces (and paired quotes) from each entry. Empty strings
207 * are properly returned
208 * Caller should free each entry and array when done
212 rxvt_splitcommastring(const char *cs)
218 if ((s = cs) == NULL)
221 for (n = 1, t = s; *t; t++)
224 ret = (char **)malloc((n + 1) * sizeof(char *));
227 for (l = 0, t = s; l < n; l++) {
228 for ( ; *t && *t != ','; t++) ;
230 ret[l] = (char *)malloc(p + 1);
231 strncpy(ret[l], s, p);
233 rxvt_Str_trim(ret[l]);
239 /*----------------------------------------------------------------------*
243 /* #define DEBUG_SEARCH_PATH */
245 #if defined (XPM_BACKGROUND) || (MENUBAR_MAX)
247 * search for FILE in the current working directory, and within the
248 * colon-delimited PATHLIST, adding the file extension EXT if required.
250 * FILE is either semi-colon or zero terminated
254 rxvt_File_search_path(const char *pathlist, const char *file, const char *ext)
257 const char *p, *path;
260 if (!access(file, R_OK)) /* found (plain name) in current directory */
263 /* semi-colon delimited */
264 if ((p = STRCHR(file, ';')))
269 #ifdef DEBUG_SEARCH_PATH
270 getcwd(name, sizeof(name));
271 fprintf(stderr, "pwd: \"%s\"\n", name);
272 fprintf(stderr, "find: \"%.*s\"\n", len, file);
275 /* leave room for an extra '/' and trailing '\0' */
276 maxpath = sizeof(name) - (len + (ext ? STRLEN(ext) : 0) + 2);
280 /* check if we can find it now */
281 STRNCPY(name, file, len);
284 if (!access(name, R_OK))
288 if (!access(name, R_OK))
291 for (path = pathlist; path != NULL && *path != '\0'; path = p) {
294 /* colon delimited */
295 if ((p = STRCHR(path, ':')) == NULL)
296 p = STRCHR(path, '\0');
302 if (n > 0 && n <= maxpath) {
303 STRNCPY(name, path, n);
304 if (name[n - 1] != '/')
307 STRNCAT(name, file, len);
309 if (!access(name, R_OK))
313 if (!access(name, R_OK))
323 rxvt_File_find(const char *file, const char *ext, const char *path)
327 if (file == NULL || *file == '\0')
330 /* search environment variables here too */
331 if ((f = rxvt_File_search_path(path, file, ext)) == NULL)
333 if ((f = rxvt_File_search_path(getenv(PATH_ENV), file, ext)) == NULL)
335 f = rxvt_File_search_path(getenv("PATH"), file, ext);
337 #ifdef DEBUG_SEARCH_PATH
339 fprintf(stderr, "found: \"%s\"\n", f);
344 #endif /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */
346 /*----------------------------------------------------------------------*
347 * miscellaneous drawing routines
351 * Draw top/left and bottom/right border shadows around windows
353 #if defined(RXVT_SCROLLBAR) || defined(MENUBAR)
356 rxvt_Draw_Shadow(Display *Xdisplay, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
360 shadow = (w == 0 || h == 0) ? 1 : SHADOW;
363 for (; shadow-- > 0; x++, y++, w--, h--) {
364 XDrawLine(Xdisplay, win, topShadow, x, y, w, y);
365 XDrawLine(Xdisplay, win, topShadow, x, y, x, h);
366 XDrawLine(Xdisplay, win, botShadow, w, h, w, y + 1);
367 XDrawLine(Xdisplay, win, botShadow, w, h, x + 1, h);
376 rxvt_Draw_Triangle(Display *Xdisplay, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
379 case 'r': /* right triangle */
380 XDrawLine(Xdisplay, win, topShadow, x, y, x, y + w);
381 XDrawLine(Xdisplay, win, topShadow, x, y, x + w, y + w / 2);
382 XDrawLine(Xdisplay, win, botShadow, x, y + w, x + w, y + w / 2);
385 case 'l': /* left triangle */
386 XDrawLine(Xdisplay, win, botShadow, x + w, y + w, x + w, y);
387 XDrawLine(Xdisplay, win, botShadow, x + w, y + w, x, y + w / 2);
388 XDrawLine(Xdisplay, win, topShadow, x, y + w / 2, x + w, y);
391 case 'd': /* down triangle */
392 XDrawLine(Xdisplay, win, topShadow, x, y, x + w / 2, y + w);
393 XDrawLine(Xdisplay, win, topShadow, x, y, x + w, y);
394 XDrawLine(Xdisplay, win, botShadow, x + w, y, x + w / 2, y + w);
397 case 'u': /* up triangle */
398 XDrawLine(Xdisplay, win, botShadow, x + w, y + w, x + w / 2, y);
399 XDrawLine(Xdisplay, win, botShadow, x + w, y + w, x, y + w);
400 XDrawLine(Xdisplay, win, topShadow, x, y + w, x + w / 2, y);
403 case 's': /* square */
404 XDrawLine(Xdisplay, win, topShadow, x + w, y, x, y);
405 XDrawLine(Xdisplay, win, topShadow, x, y, x, y + w);
406 XDrawLine(Xdisplay, win, botShadow, x, y + w, x + w, y + w);
407 XDrawLine(Xdisplay, win, botShadow, x + w, y + w, x + w, y);
413 /*----------------------- end-of-file (C source) -----------------------*/