Dogcows Code - chaz/openbox/blob - src/Util.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // Util.cc for Blackbox - an X11 Window manager
   3 // Copyright (c) 2002 Sean 'Shaleh' Perry <shaleh@debian.org>
   4 // Copyright (c) 1997 - 2000, 2002 Brad Hughes (bhughes@tcac.net)
   5 //
   6 // Permission is hereby granted, free of charge, to any person obtaining a
   7 // copy of this software and associated documentation files (the "Software"),
   8 // to deal in the Software without restriction, including without limitation
   9 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 // and/or sell copies of the Software, and to permit persons to whom the
  11 // Software is furnished to do so, subject to the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be included in
  14 // all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22 // DEALINGS IN THE SOFTWARE.
  23
  24 #ifdef    HAVE_CONFIG_H
  25 #  include "../config.h"
  26 #endif // HAVE_CONFIG_H
  27
  28 extern "C" {
  29 #ifdef HAVE_STRING_H
  30 #include <string.h>
  31 #endif
  32 #ifdef HAVE_STDLIB_H
  33 #include <stdlib.h>
  34 #endif
  35 #ifdef    TIME_WITH_SYS_TIME
  36 #  include <sys/time.h>
  37 #  include <time.h>
  38 #else // !TIME_WITH_SYS_TIME
  39 #  ifdef    HAVE_SYS_TIME_H
  40 #    include <sys/time.h>
  41 #  else // !HAVE_SYS_TIME_H
  42 #    include <time.h>
  43 #  endif // HAVE_SYS_TIME_H
  44 #endif // TIME_WITH_SYS_TIME
  45 #ifdef HAVE_UNISTD_H
  46 #include <unistd.h>
  47 #endif // HAVE_UNISTD_H
  48 #if defined(HAVE_PROCESS_H) && defined(__EMX__)
  49 #  include <process.h>
  50 #endif //   HAVE_PROCESS_H             __EMX__
  51 }
  52
  53 #include <X11/Xatom.h>
  54
  55 #include <assert.h>
  56
  57 #include <algorithm>
  58
  59 #include "Util.hh"
  60
  61 using std::string;
  62
  63
  64 void Rect::setX(int __x) {
  65   _x2 += __x - _x1;
  66   _x1 = __x;
  67 }
  68
  69
  70 void Rect::setY(int __y)
  71 {
  72   _y2 += __y - _y1;
  73   _y1 = __y;
  74 }
  75
  76
  77 void Rect::setPos(int __x, int __y) {
  78   _x2 += __x - _x1;
  79   _x1 = __x;
  80   _y2 += __y - _y1;
  81   _y1 = __y;
  82 }
  83
  84
  85 void Rect::setWidth(unsigned int __w) {
  86   _x2 = __w + _x1 - 1;
  87 }
  88
  89
  90 void Rect::setHeight(unsigned int __h) {
  91   _y2 = __h + _y1 - 1;
  92 }
  93
  94
  95 void Rect::setSize(unsigned int __w, unsigned int __h) {
  96   _x2 = __w + _x1 - 1;
  97   _y2 = __h + _y1 - 1;
  98 }
  99
 100
 101 void Rect::setRect(int __x, int __y, unsigned int __w, unsigned int __h) {
 102   *this = Rect(__x, __y, __w, __h);
 103 }
 104
 105
 106 void Rect::setCoords(int __l, int __t, int __r, int __b) {
 107   _x1 = __l;
 108   _y1 = __t;
 109   _x2 = __r;
 110   _y2 = __b;
 111 }
 112
 113
 114 Rect Rect::operator|(const Rect &a) const {
 115   Rect b;
 116
 117   b._x1 = std::min(_x1, a._x1);
 118   b._y1 = std::min(_y1, a._y1);
 119   b._x2 = std::max(_x2, a._x2);
 120   b._y2 = std::max(_y2, a._y2);
 121
 122   return b;
 123 }
 124
 125
 126 Rect Rect::operator&(const Rect &a) const {
 127   Rect b;
 128
 129   b._x1 = std::max(_x1, a._x1);
 130   b._y1 = std::max(_y1, a._y1);
 131   b._x2 = std::min(_x2, a._x2);
 132   b._y2 = std::min(_y2, a._y2);
 133
 134   return b;
 135 }
 136
 137
 138 bool Rect::intersects(const Rect &a) const {
 139   return std::max(_x1, a._x1) <= std::min(_x2, a._x2) &&
 140          std::max(_y1, a._y1) <= std::min(_y2, a._y2);
 141 }
 142
 143
 144 bool Rect::contains(int __x, int __y) const {
 145   return __x >= _x1 && __x <= _x2 &&
 146          __y >= _y1 && __y <= _y2;
 147 }
 148
 149
 150 bool Rect::contains(const Rect& a) const {
 151   return a._x1 >= _x1 && a._x2 <= _x2 &&
 152          a._y1 >= _y1 && a._y2 <= _y2;
 153 }
 154
 155
 156 string expandTilde(const string& s) {
 157   if (s[0] != '~') return s;
 158
 159   const char* const home = getenv("HOME");
 160   if (home == NULL) return s;
 161
 162   return string(home + s.substr(s.find('/')));
 163 }
 164
 165
 166 void bexec(const string& command, const string& displaystring) {
 167 #ifndef    __EMX__
 168   if (! fork()) {
 169     setsid();
 170     int ret = putenv(const_cast<char *>(displaystring.c_str()));
 171     assert(ret != -1);
 172     string cmd = "exec ";
 173     cmd += command;
 174     execl("/bin/sh", "/bin/sh", "-c", cmd.c_str(), NULL);
 175     exit(0);
 176   }
 177 #else //   __EMX__
 178   spawnlp(P_NOWAIT, "cmd.exe", "cmd.exe", "/c", command, NULL);
 179 #endif // !__EMX__
 180 }
 181
 182
 183 #ifndef   HAVE_BASENAME
 184 string basename (const string& path) {
 185   string::size_type slash = path.rfind('/');
 186   if (slash == string::npos)
 187     return path;
 188   return path.substr(slash+1);
 189 }
 190 #endif // HAVE_BASENAME
 191
 192
 193 string textPropertyToString(Display *display, XTextProperty& text_prop) {
 194   string ret;
 195
 196   if (text_prop.value && text_prop.nitems > 0) {
 197     if (text_prop.encoding == XA_STRING) {
 198       ret = (char *) text_prop.value;
 199     } else {
 200       text_prop.nitems = strlen((char *) text_prop.value);
 201
 202       char **list;
 203       int num;
 204       if (XmbTextPropertyToTextList(display, &text_prop,
 205                                     &list, &num) == Success &&
 206           num > 0 && *list) {
 207         ret = *list;
 208         XFreeStringList(list);
 209       }
 210     }
 211   }
 212
 213   return ret;
 214 }
 215
 216
 217 timeval normalizeTimeval(const timeval &tm) {
 218   timeval ret = tm;
 219
 220   while (ret.tv_usec < 0) {
 221     if (ret.tv_sec > 0) {
 222       --ret.tv_sec;
 223       ret.tv_usec += 1000000;
 224     } else {
 225       ret.tv_usec = 0;
 226     }
 227   }
 228
 229   if (ret.tv_usec >= 1000000) {
 230     ret.tv_sec += ret.tv_usec / 1000000;
 231     ret.tv_usec %= 1000000;
 232   }
 233
 234   if (ret.tv_sec < 0) ret.tv_sec = 0;
 235
 236   return ret;
 237 }
 238
 239
 240 string itostring(unsigned long i) {
 241   if (i == 0)
 242     return string("0");
 243
 244   string tmp;
 245   for (; i > 0; i /= 10)
 246     tmp.insert(tmp.begin(), "0123456789"[i%10]);
 247   return tmp;
 248 }
 249
 250
 251 string itostring(long i) {
 252   if (i < 0) {
 253     std::string tmp = itostring( (unsigned long) -i);
 254     tmp.insert(tmp.begin(), '-');
 255     return tmp;
 256   } else
 257     return itostring( (unsigned long) i);
 258 }