rxvt-unicode/src/misc.C

/*--------------------------------*-C-*---------------------------------*
 * File:        misc.c
 *----------------------------------------------------------------------*
 *
 * All portions of code are copyright by their respective author/s.
 * Copyright (c) 1996      mj olesen <olesen@me.QueensU.CA> Queen's Univ at Kingston
 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
 * Copyright (c) 1998-2000 Geoff Wing <gcw@pobox.com>
 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *----------------------------------------------------------------------*/

#include "../config.h"          /* NECESSARY */
#include "rxvt.h"               /* NECESSARY */
#include "misc.intpro"          /* PROTOS for internal routines */

/* EXTPROTO */
char *
rxvt_strdup (const char *str)
{
  return str ? strdup (str) : 0;
}

/* EXTPROTO */
char *
rxvt_r_basename (const char *str)
{
  char *base = STRRCHR (str, '/');

  return (char *) (base ? base + 1 : str);
}

/*
 * Print an error message
 */
/* EXTPROTO */
void
rxvt_print_error (const char *fmt,...)
{
  va_list arg_ptr;

  va_start (arg_ptr, fmt);
  fprintf (stderr, APL_NAME ": ");
  vfprintf (stderr, fmt, arg_ptr);
  fprintf (stderr, "\n");
  va_end (arg_ptr);
}

/*
 * check that the first characters of S1 match S2
 *
 * No Match
 *      return: 0
 * Match
 *      return: STRLEN (S2)
 */
/* EXTPROTO */
int
rxvt_Str_match (const char *s1, const char *s2)
{
  int n = STRLEN (s2);

  return ((STRNCMP (s1, s2, n) == 0) ? n : 0);
}

/* EXTPROTO */
const char *
rxvt_Str_skip_space (const char *str)
{
  if (str)
    while (*str && isspace (*str))
      str++;

  return str;
}

/*
 * remove leading/trailing space and strip-off leading/trailing quotes.
 * in place.
 */
/* EXTPROTO */
char           *
rxvt_Str_trim (char *str)
{
  char *r, *s;
  int n;

  if (!str || !*str)            /* shortcut */
    return str;

  /* skip leading spaces */
  for (s = str; *s && isspace (*s); s++) ;
  /* goto end of string */
  for (n = 0, r = s; *r++; n++) ;
  r -= 2;
  /* dump return */
  if (n > 0 && *r == '\n')
    n--, r--;
  /* backtrack along trailing spaces */
  for (; n > 0 && isspace (*r); r--, n--) ;
  /* skip matching leading/trailing quotes */
  if (*s == '"' && *r == '"' && n > 1)
    {
      s++;
      n -= 2;
    }

  /* copy back over: forwards copy */
  for (r = str; n; n--)
    *r++ = *s++;
  *r = '\0';

  return str;
}

/*
 * in-place interpretation of string:
 *
 *      backslash-escaped:      "\a\b\E\e\n\r\t", "\octal"
 *      Ctrl chars:     ^@ .. ^_, ^?
 *
 *      Emacs-style:    "M-" prefix
 *
 * Also,
 *      "M-x" prefixed strings, append "\r" if needed
 *      "\E]" prefixed strings (XTerm escape sequence) append ST if needed
 *
 * returns the converted string length
 */
/* EXTPROTO */
int
rxvt_Str_escaped (char *str)
{
  char            ch, *s, *d;
  int             i, num, append = 0;

  if (!str || !*str)
    return 0;

  d = s = str;

  if (*s == 'M' && s[1] == '-')
    {
      /* Emacs convenience, replace leading `M-..' with `\E..' */
      *d++ = C0_ESC;
      s += 2;
      if (toupper (*s) == 'X')
        /* append carriage-return for `M-xcommand' */
        for (*d++ = 'x', append = '\r', s++; isspace (*s); s++) ;
    }
  for (; (ch = *s++);)
    {
      if (ch == '\\')
        {
          ch = *s++;
          if (ch >= '0' && ch <= '7')
            {   /* octal */
              num = ch - '0';
              for (i = 0; i < 2; i++, s++)
                {
                  ch = *s;
                  if (ch < '0' || ch > '7')
                    break;
                  num = num * 8 + ch - '0';
                }
              ch = (char)num;
            }
          else if (ch == 'a')
            ch = C0_BEL;        /* bell */
          else if (ch == 'b')
            ch = C0_BS; /* backspace */
          else if (ch == 'E' || ch == 'e')
            ch = C0_ESC;        /* escape */
          else if (ch == 'n')
            ch = '\n';  /* newline */
          else if (ch == 'r')
            ch = '\r';  /* carriage-return */
          else if (ch == 't')
            ch = C0_HT; /* tab */
        }
      else if (ch == '^')
        {
          ch = *s++;
          ch = toupper (ch);
          ch = (ch == '?' ? 127 : (ch - '@'));
        }
      *d++ = ch;
    }

  /* ESC] is an XTerm escape sequence, must be terminated */
  if (*str == '\0' && str[1] == C0_ESC && str[2] == ']')
    append = CHAR_ST;

  /* add trailing character as required */
  if (append && d[-1] != append)
    *d++ = append;
  *d = '\0';

  return (d - str);
}

/*
 * Split a comma-separated string into an array, stripping leading and
 * trailing spaces (and paired quotes) from each entry.  Empty strings
 * are properly returned
 * Caller should free each entry and array when done
 */
/* EXTPROTO */
char          **
rxvt_splitcommastring (const char *cs)
{
  int             l, n, p;
  const char     *s, *t;
  char          **ret;

  if ((s = cs) == NULL)
    s = "";

  for (n = 1, t = s; *t; t++)
    if (*t == ',')
      n++;
  ret = (char **)malloc ((n + 1) * sizeof (char *));
  ret[n] = NULL;

  for (l = 0, t = s; l < n; l++)
    {
      for ( ; *t && *t != ','; t++) ;
      p = t - s;
      ret[l] = (char *)malloc (p + 1);
      strncpy (ret[l], s, p);
      ret[l][p] = '\0';
      rxvt_Str_trim (ret[l]);
      s = ++t;
    }
  return ret;
}

/*----------------------------------------------------------------------*
 * file searching
 */

/* #define DEBUG_SEARCH_PATH */

#if defined (XPM_BACKGROUND) || (MENUBAR_MAX)
/*
 * search for FILE in the current working directory, and within the
 * colon-delimited PATHLIST, adding the file extension EXT if required.
 *
 * FILE is either semi-colon or zero terminated
 */
/* INTPROTO */
char           *
rxvt_File_search_path (const char *pathlist, const char *file, const char *ext)
{
  int             maxpath, len;
  const char     *p, *path;
  char            name[256];

  if (!access (file, R_OK))     /* found (plain name) in current directory */
    return STRDUP (file);

  /* semi-colon delimited */
  if ((p = STRCHR (file, ';')))
    len = (p - file);
  else
    len = STRLEN (file);

#ifdef DEBUG_SEARCH_PATH
  getcwd (name, sizeof (name));
  fprintf (stderr, "pwd: \"%s\"\n", name);
  fprintf (stderr, "find: \"%.*s\"\n", len, file);
#endif

  /* leave room for an extra '/' and trailing '\0' */
  maxpath = sizeof (name) - (len + (ext ? STRLEN (ext) : 0) + 2);
  if (maxpath <= 0)
    return NULL;

  /* check if we can find it now */
  STRNCPY (name, file, len);
  name[len] = '\0';

  if (!access (name, R_OK))
    return STRDUP (name);
  if (ext)
    {
      STRCAT (name, ext);
      if (!access (name, R_OK))
        return STRDUP (name);
    }
  for (path = pathlist; path != NULL && *path != '\0'; path = p)
    {
      int             n;

      /* colon delimited */
      if ((p = STRCHR (path, ':')) == NULL)
        p = STRCHR (path, '\0');

      n = (p - path);
      if (*p != '\0')
        p++;

      if (n > 0 && n <= maxpath)
        {
          STRNCPY (name, path, n);
          if (name[n - 1] != '/')
            name[n++] = '/';
          name[n] = '\0';
          STRNCAT (name, file, len);

          if (!access (name, R_OK))
            return STRDUP (name);
          if (ext)
            {
              STRCAT (name, ext);
              if (!access (name, R_OK))
                return STRDUP (name);
            }
        }
    }
  return NULL;
}

/* EXTPROTO */
char           *
rxvt_File_find (const char *file, const char *ext, const char *path)
{
  char           *f;

  if (file == NULL || *file == '\0')
    return NULL;

  /* search environment variables here too */
  if ((f = rxvt_File_search_path (path, file, ext)) == NULL)
#ifdef PATH_ENV
    if ((f = rxvt_File_search_path (getenv (PATH_ENV), file, ext)) == NULL)
#endif
      f = rxvt_File_search_path (getenv ("PATH"), file, ext);

#ifdef DEBUG_SEARCH_PATH
  if (f)
    fprintf (stderr, "found: \"%s\"\n", f);
#endif

  return f;
}
#endif                          /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */

/*----------------------------------------------------------------------*
 * miscellaneous drawing routines
 */

/*
 * Draw top/left and bottom/right border shadows around windows
 */
#if defined(RXVT_SCROLLBAR) || defined(MENUBAR)
/* EXTPROTO */
void
rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
{
  int             shadow;

  shadow = (w == 0 || h == 0) ? 1 : SHADOW;
  w += x - 1;
  h += y - 1;
  for (; shadow-- > 0; x++, y++, w--, h--)
    {
      XDrawLine (display, win, topShadow, x, y, w, y);
      XDrawLine (display, win, topShadow, x, y, x, h);
      XDrawLine (display, win, botShadow, w, h, w, y + 1);
      XDrawLine (display, win, botShadow, w, h, x + 1, h);
    }
}
#endif

/* button shapes */
#ifdef MENUBAR
/* EXTPROTO */
void
rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
{
  switch (type)
    {
      case 'r':                 /* right triangle */
        XDrawLine (display, win, topShadow, x, y, x, y + w);
        XDrawLine (display, win, topShadow, x, y, x + w, y + w / 2);
        XDrawLine (display, win, botShadow, x, y + w, x + w, y + w / 2);
        break;

      case 'l':                 /* left triangle */
        XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
        XDrawLine (display, win, botShadow, x + w, y + w, x, y + w / 2);
        XDrawLine (display, win, topShadow, x, y + w / 2, x + w, y);
        break;

      case 'd':                 /* down triangle */
        XDrawLine (display, win, topShadow, x, y, x + w / 2, y + w);
        XDrawLine (display, win, topShadow, x, y, x + w, y);
        XDrawLine (display, win, botShadow, x + w, y, x + w / 2, y + w);
        break;

      case 'u':                 /* up triangle */
        XDrawLine (display, win, botShadow, x + w, y + w, x + w / 2, y);
        XDrawLine (display, win, botShadow, x + w, y + w, x, y + w);
        XDrawLine (display, win, topShadow, x, y + w, x + w / 2, y);
        break;
#if 0
      case 's':                 /* square */
        XDrawLine (display, win, topShadow, x + w, y, x, y);
        XDrawLine (display, win, topShadow, x, y, x, y + w);
        XDrawLine (display, win, botShadow, x, y + w, x + w, y + w);
        XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
        break;
#endif

    }
}
#endif
/*----------------------- end-of-file (C source) -----------------------*/
Revision:	1.8
Committed:	Fri Feb 27 02:52:51 2004 UTC (20 years, 3 months ago) by pcg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-2_0
Changes since 1.7:	+10 -7 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	pcg	1.1	/---------------------------------C----------------------------------
2			* File: misc.c
3			----------------------------------------------------------------------
4			*
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	pcg	1.8	* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
10	pcg	1.1	*
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.
15			*
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.
20			*
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			----------------------------------------------------------------------/
25
26			#include "../config.h" /* NECESSARY */
27			#include "rxvt.h" /* NECESSARY */
28			#include "misc.intpro" /* PROTOS for internal routines */
29
30			/* EXTPROTO */
31	pcg	1.3	char *
32			rxvt_strdup (const char *str)
33			{
34			return str ? strdup (str) : 0;
35			}
36
37			/* EXTPROTO */
38	pcg	1.8	char *
39	pcg	1.7	rxvt_r_basename (const char *str)
40	pcg	1.1	{
41	pcg	1.8	char *base = STRRCHR (str, '/');
42	pcg	1.1
43	pcg	1.7	return (char *) (base ? base + 1 : str);
44	pcg	1.1	}
45
46			/*
47			* Print an error message
48			*/
49			/* EXTPROTO */
50			void
51	pcg	1.7	rxvt_print_error (const char *fmt,...)
52	pcg	1.1	{
53	pcg	1.8	va_list arg_ptr;
54	pcg	1.1
55	pcg	1.7	va_start (arg_ptr, fmt);
56			fprintf (stderr, APL_NAME ": ");
57			vfprintf (stderr, fmt, arg_ptr);
58			fprintf (stderr, "\n");
59			va_end (arg_ptr);
60	pcg	1.1	}
61
62			/*
63			* check that the first characters of S1 match S2
64			*
65			* No Match
66			* return: 0
67			* Match
68			* return: STRLEN (S2)
69			*/
70			/* EXTPROTO */
71			int
72	pcg	1.7	rxvt_Str_match (const char s1, const char s2)
73	pcg	1.1	{
74	pcg	1.8	int n = STRLEN (s2);
75	pcg	1.1
76	pcg	1.7	return ((STRNCMP (s1, s2, n) == 0) ? n : 0);
77	pcg	1.1	}
78
79			/* EXTPROTO */
80	pcg	1.8	const char *
81	pcg	1.7	rxvt_Str_skip_space (const char *str)
82	pcg	1.1	{
83	pcg	1.5	if (str)
84	pcg	1.7	while (str && isspace (str))
85	pcg	1.5	str++;
86	pcg	1.8
87	pcg	1.5	return str;
88	pcg	1.1	}
89
90			/*
91			* remove leading/trailing space and strip-off leading/trailing quotes.
92			* in place.
93			*/
94			/* EXTPROTO */
95			char *
96	pcg	1.7	rxvt_Str_trim (char *str)
97	pcg	1.1	{
98	pcg	1.8	char r, s;
99			int n;
100	pcg	1.1
101	pcg	1.5	if (!str \|\| !str) / shortcut */
102			return str;
103	pcg	1.1
104	pcg	1.5	/* skip leading spaces */
105	pcg	1.7	for (s = str; s && isspace (s); s++) ;
106	pcg	1.5	/* goto end of string */
107			for (n = 0, r = s; *r++; n++) ;
108			r -= 2;
109			/* dump return */
110			if (n > 0 && *r == '\n')
111			n--, r--;
112			/* backtrack along trailing spaces */
113	pcg	1.7	for (; n > 0 && isspace (*r); r--, n--) ;
114	pcg	1.5	/* skip matching leading/trailing quotes */
115			if (s == '"' && r == '"' && n > 1)
116			{
117			s++;
118			n -= 2;
119	pcg	1.1	}
120	pcg	1.8
121	pcg	1.5	/* copy back over: forwards copy */
122			for (r = str; n; n--)
123			r++ = s++;
124			*r = '\0';
125	pcg	1.1
126	pcg	1.5	return str;
127	pcg	1.1	}
128
129			/*
130			* in-place interpretation of string:
131			*
132			* backslash-escaped: "\a\b\E\e\n\r\t", "\octal"
133			* Ctrl chars: ^@ .. ^_, ^?
134			*
135			* Emacs-style: "M-" prefix
136			*
137			* Also,
138			* "M-x" prefixed strings, append "\r" if needed
139			* "\E]" prefixed strings (XTerm escape sequence) append ST if needed
140			*
141			* returns the converted string length
142			*/
143			/* EXTPROTO */
144			int
145	pcg	1.7	rxvt_Str_escaped (char *str)
146	pcg	1.1	{
147	pcg	1.5	char ch, s, d;
148			int i, num, append = 0;
149	pcg	1.1
150	pcg	1.5	if (!str \|\| !*str)
151			return 0;
152	pcg	1.1
153	pcg	1.5	d = s = str;
154	pcg	1.1
155	pcg	1.5	if (*s == 'M' && s[1] == '-')
156			{
157			/* Emacs convenience, replace leading `M-..' with `\E..' */
158			*d++ = C0_ESC;
159			s += 2;
160	pcg	1.7	if (toupper (*s) == 'X')
161	pcg	1.5	/* append carriage-return for `M-xcommand' */
162	pcg	1.7	for (d++ = 'x', append = '\r', s++; isspace (s); s++) ;
163	pcg	1.1	}
164	pcg	1.5	for (; (ch = *s++);)
165			{
166			if (ch == '\\')
167			{
168			ch = *s++;
169			if (ch >= '0' && ch <= '7')
170			{ /* octal */
171			num = ch - '0';
172			for (i = 0; i < 2; i++, s++)
173			{
174			ch = *s;
175			if (ch < '0' \|\| ch > '7')
176			break;
177			num = num * 8 + ch - '0';
178			}
179			ch = (char)num;
180			}
181			else if (ch == 'a')
182			ch = C0_BEL; /* bell */
183			else if (ch == 'b')
184			ch = C0_BS; /* backspace */
185			else if (ch == 'E' \|\| ch == 'e')
186			ch = C0_ESC; /* escape */
187			else if (ch == 'n')
188			ch = '\n'; /* newline */
189			else if (ch == 'r')
190			ch = '\r'; /* carriage-return */
191			else if (ch == 't')
192			ch = C0_HT; /* tab */
193			}
194			else if (ch == '^')
195			{
196			ch = *s++;
197	pcg	1.7	ch = toupper (ch);
198	pcg	1.5	ch = (ch == '?' ? 127 : (ch - '@'));
199			}
200			*d++ = ch;
201	pcg	1.1	}
202
203	pcg	1.5	/* ESC] is an XTerm escape sequence, must be terminated */
204			if (*str == '\0' && str[1] == C0_ESC && str[2] == ']')
205			append = CHAR_ST;
206
207			/* add trailing character as required */
208			if (append && d[-1] != append)
209			*d++ = append;
210			*d = '\0';
211	pcg	1.1
212	pcg	1.5	return (d - str);
213	pcg	1.1	}
214
215			/*
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
220			*/
221			/* EXTPROTO */
222			char **
223	pcg	1.7	rxvt_splitcommastring (const char *cs)
224	pcg	1.1	{
225	pcg	1.5	int l, n, p;
226			const char s, t;
227			char **ret;
228
229			if ((s = cs) == NULL)
230			s = "";
231
232			for (n = 1, t = s; *t; t++)
233			if (*t == ',')
234			n++;
235	pcg	1.7	ret = (char *)malloc ((n + 1) sizeof (char *));
236	pcg	1.5	ret[n] = NULL;
237
238			for (l = 0, t = s; l < n; l++)
239			{
240			for ( ; t && t != ','; t++) ;
241			p = t - s;
242	pcg	1.7	ret[l] = (char *)malloc (p + 1);
243			strncpy (ret[l], s, p);
244	pcg	1.5	ret[l][p] = '\0';
245	pcg	1.7	rxvt_Str_trim (ret[l]);
246	pcg	1.5	s = ++t;
247	pcg	1.1	}
248	pcg	1.5	return ret;
249	pcg	1.1	}
250
251			/----------------------------------------------------------------------
252			* file searching
253			*/
254
255			/* #define DEBUG_SEARCH_PATH */
256
257			#if defined (XPM_BACKGROUND) \|\| (MENUBAR_MAX)
258			/*
259			* search for FILE in the current working directory, and within the
260			* colon-delimited PATHLIST, adding the file extension EXT if required.
261			*
262			* FILE is either semi-colon or zero terminated
263			*/
264			/* INTPROTO */
265			char *
266	pcg	1.7	rxvt_File_search_path (const char pathlist, const char file, const char *ext)
267	pcg	1.1	{
268	pcg	1.5	int maxpath, len;
269			const char p, path;
270			char name[256];
271
272	pcg	1.7	if (!access (file, R_OK)) /* found (plain name) in current directory */
273			return STRDUP (file);
274	pcg	1.5
275			/* semi-colon delimited */
276	pcg	1.7	if ((p = STRCHR (file, ';')))
277	pcg	1.5	len = (p - file);
278			else
279	pcg	1.7	len = STRLEN (file);
280	pcg	1.1
281			#ifdef DEBUG_SEARCH_PATH
282	pcg	1.7	getcwd (name, sizeof (name));
283			fprintf (stderr, "pwd: \"%s\"\n", name);
284			fprintf (stderr, "find: \"%.*s\"\n", len, file);
285	pcg	1.1	#endif
286
287	pcg	1.5	/* leave room for an extra '/' and trailing '\0' */
288	pcg	1.7	maxpath = sizeof (name) - (len + (ext ? STRLEN (ext) : 0) + 2);
289	pcg	1.5	if (maxpath <= 0)
290			return NULL;
291
292			/* check if we can find it now */
293	pcg	1.7	STRNCPY (name, file, len);
294	pcg	1.5	name[len] = '\0';
295
296	pcg	1.7	if (!access (name, R_OK))
297			return STRDUP (name);
298	pcg	1.5	if (ext)
299			{
300	pcg	1.7	STRCAT (name, ext);
301			if (!access (name, R_OK))
302			return STRDUP (name);
303	pcg	1.1	}
304	pcg	1.5	for (path = pathlist; path != NULL && *path != '\0'; path = p)
305			{
306			int n;
307
308			/* colon delimited */
309	pcg	1.7	if ((p = STRCHR (path, ':')) == NULL)
310			p = STRCHR (path, '\0');
311	pcg	1.5
312			n = (p - path);
313			if (*p != '\0')
314			p++;
315
316			if (n > 0 && n <= maxpath)
317			{
318	pcg	1.7	STRNCPY (name, path, n);
319	pcg	1.5	if (name[n - 1] != '/')
320			name[n++] = '/';
321			name[n] = '\0';
322	pcg	1.7	STRNCAT (name, file, len);
323	pcg	1.5
324	pcg	1.7	if (!access (name, R_OK))
325			return STRDUP (name);
326	pcg	1.5	if (ext)
327			{
328	pcg	1.7	STRCAT (name, ext);
329			if (!access (name, R_OK))
330			return STRDUP (name);
331	pcg	1.5	}
332			}
333	pcg	1.1	}
334	pcg	1.5	return NULL;
335	pcg	1.1	}
336
337			/* EXTPROTO */
338			char *
339	pcg	1.7	rxvt_File_find (const char file, const char ext, const char *path)
340	pcg	1.1	{
341	pcg	1.5	char *f;
342	pcg	1.1
343	pcg	1.5	if (file == NULL \|\| *file == '\0')
344			return NULL;
345	pcg	1.1
346	pcg	1.5	/* search environment variables here too */
347	pcg	1.7	if ((f = rxvt_File_search_path (path, file, ext)) == NULL)
348	pcg	1.1	#ifdef PATH_ENV
349	pcg	1.7	if ((f = rxvt_File_search_path (getenv (PATH_ENV), file, ext)) == NULL)
350	pcg	1.1	#endif
351	pcg	1.7	f = rxvt_File_search_path (getenv ("PATH"), file, ext);
352	pcg	1.1
353			#ifdef DEBUG_SEARCH_PATH
354	pcg	1.5	if (f)
355	pcg	1.7	fprintf (stderr, "found: \"%s\"\n", f);
356	pcg	1.1	#endif
357
358	pcg	1.5	return f;
359	pcg	1.1	}
360			#endif /* defined (XPM_BACKGROUND) \|\| (MENUBAR_MAX) */
361
362			/----------------------------------------------------------------------
363			* miscellaneous drawing routines
364			*/
365
366			/*
367			* Draw top/left and bottom/right border shadows around windows
368			*/
369			#if defined(RXVT_SCROLLBAR) \|\| defined(MENUBAR)
370			/* EXTPROTO */
371			void
372	pcg	1.7	rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
373	pcg	1.1	{
374	pcg	1.5	int shadow;
375	pcg	1.1
376	pcg	1.5	shadow = (w == 0 \|\| h == 0) ? 1 : SHADOW;
377			w += x - 1;
378			h += y - 1;
379			for (; shadow-- > 0; x++, y++, w--, h--)
380			{
381	pcg	1.7	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);
385	pcg	1.1	}
386			}
387			#endif
388
389			/* button shapes */
390			#ifdef MENUBAR
391			/* EXTPROTO */
392			void
393	pcg	1.7	rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
394	pcg	1.1	{
395	pcg	1.5	switch (type)
396			{
397			case 'r': /* right triangle */
398	pcg	1.7	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);
401	pcg	1.5	break;
402
403			case 'l': /* left triangle */
404	pcg	1.7	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);
407	pcg	1.5	break;
408
409			case 'd': /* down triangle */
410	pcg	1.7	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);
413	pcg	1.5	break;
414
415			case 'u': /* up triangle */
416	pcg	1.7	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);
419	pcg	1.5	break;
420	pcg	1.1	#if 0
421	pcg	1.5	case 's': /* square */
422	pcg	1.7	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);
426	pcg	1.5	break;
427	pcg	1.1	#endif
428	pcg	1.5
429	pcg	1.1	}
430			}
431			#endif
432			/----------------------- end-of-file (C source) -----------------------/