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 <algorithm>
  56
  57 #include "Util.hh"
  58
  59 using std::string;
  60
  61
  62 void Rect::setX(int __x) {
  63   _x2 += __x - _x1;
  64   _x1 = __x;
  65 }
  66
  67
  68 void Rect::setY(int __y)
  69 {
  70   _y2 += __y - _y1;
  71   _y1 = __y;
  72 }
  73
  74
  75 void Rect::setPos(int __x, int __y) {
  76   _x2 += __x - _x1;
  77   _x1 = __x;
  78   _y2 += __y - _y1;
  79   _y1 = __y;
  80 }
  81
  82
  83 void Rect::setWidth(unsigned int __w) {
  84   _x2 = __w + _x1 - 1;
  85 }
  86
  87
  88 void Rect::setHeight(unsigned int __h) {
  89   _y2 = __h + _y1 - 1;
  90 }
  91
  92
  93 void Rect::setSize(unsigned int __w, unsigned int __h) {
  94   _x2 = __w + _x1 - 1;
  95   _y2 = __h + _y1 - 1;
  96 }
  97
  98
  99 void Rect::setRect(int __x, int __y, unsigned int __w, unsigned int __h) {
 100   *this = Rect(__x, __y, __w, __h);
 101 }
 102
 103
 104 void Rect::setCoords(int __l, int __t, int __r, int __b) {
 105   _x1 = __l;
 106   _y1 = __t;
 107   _x2 = __r;
 108   _y2 = __b;
 109 }
 110
 111
 112 Rect Rect::operator|(const Rect &a) const {
 113   Rect b;
 114
 115   b._x1 = std::min(_x1, a._x1);
 116   b._y1 = std::min(_y1, a._y1);
 117   b._x2 = std::max(_x2, a._x2);
 118   b._y2 = std::max(_y2, a._y2);
 119
 120   return b;
 121 }
 122
 123
 124 Rect Rect::operator&(const Rect &a) const {
 125   Rect b;
 126
 127   b._x1 = std::max(_x1, a._x1);
 128   b._y1 = std::max(_y1, a._y1);
 129   b._x2 = std::min(_x2, a._x2);
 130   b._y2 = std::min(_y2, a._y2);
 131
 132   return b;
 133 }
 134
 135
 136 bool Rect::intersects(const Rect &a) const {
 137   return std::max(_x1, a._x1) <= std::min(_x2, a._x2) &&
 138          std::max(_y1, a._y1) <= std::min(_y2, a._y2);
 139 }
 140
 141
 142 string expandTilde(const string& s) {
 143   if (s[0] != '~') return s;
 144
 145   const char* const home = getenv("HOME");
 146   if (home == NULL) return s;
 147
 148   return string(home + s.substr(s.find('/')));
 149 }
 150
 151
 152 void bexec(const string& command, const string& displaystring) {
 153 #ifndef    __EMX__
 154   if (! fork()) {
 155     setsid();
 156     int ret = putenv(const_cast<char *>(displaystring.c_str()));
 157     assert(ret != -1);
 158     string cmd = "exec ";
 159     cmd += command;
 160     execl("/bin/sh", "/bin/sh", "-c", cmd.c_str(), NULL);
 161     exit(0);
 162   }
 163 #else //   __EMX__
 164   spawnlp(P_NOWAIT, "cmd.exe", "cmd.exe", "/c", command, NULL);
 165 #endif // !__EMX__
 166 }
 167
 168
 169 #ifndef   HAVE_BASENAME
 170 string basename (const string& path) {
 171   string::size_type slash = path.rfind('/');
 172   if (slash == string::npos)
 173     return path;
 174   return path.substr(slash+1);
 175 }
 176 #endif // HAVE_BASENAME
 177
 178
 179 string textPropertyToString(Display *display, XTextProperty& text_prop) {
 180   string ret;
 181
 182   if (text_prop.value && text_prop.nitems > 0) {
 183     ret = (char *) text_prop.value;
 184     if (text_prop.encoding != XA_STRING) {
 185       text_prop.nitems = strlen((char *) text_prop.value);
 186
 187       char **list;
 188       int num;
 189       if (XmbTextPropertyToTextList(display, &text_prop,
 190                                     &list, &num) == Success &&
 191           num > 0 && *list) {
 192         ret = *list;
 193         XFreeStringList(list);
 194       }
 195     }
 196   }
 197
 198   return ret;
 199 }
 200
 201
 202 timeval normalizeTimeval(const timeval &tm) {
 203   timeval ret = tm;
 204
 205   while (ret.tv_usec < 0) {
 206     if (ret.tv_sec > 0) {
 207       --ret.tv_sec;
 208       ret.tv_usec += 1000000;
 209     } else {
 210       ret.tv_usec = 0;
 211     }
 212   }
 213
 214   if (ret.tv_usec >= 1000000) {
 215     ret.tv_sec += ret.tv_usec / 1000000;
 216     ret.tv_usec %= 1000000;
 217   }
 218
 219   if (ret.tv_sec < 0) ret.tv_sec = 0;
 220
 221   return ret;
 222 }