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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef    HAVE_CONFIG_H
   4 #  include "../config.h"
   5 #endif // HAVE_CONFIG_H
   6
   7 extern "C" {
   8 #include <X11/Xatom.h>
   9
  10 #ifdef HAVE_STRING_H
  11 #include <string.h>
  12 #endif
  13 #ifdef HAVE_STDLIB_H
  14 #include <stdlib.h>
  15 #endif
  16 #ifdef    TIME_WITH_SYS_TIME
  17 #  include <sys/time.h>
  18 #  include <time.h>
  19 #else // !TIME_WITH_SYS_TIME
  20 #  ifdef    HAVE_SYS_TIME_H
  21 #    include <sys/time.h>
  22 #  else // !HAVE_SYS_TIME_H
  23 #    include <time.h>
  24 #  endif // HAVE_SYS_TIME_H
  25 #endif // TIME_WITH_SYS_TIME
  26 #ifdef HAVE_UNISTD_H
  27 #include <unistd.h>
  28 #endif // HAVE_UNISTD_H
  29 #if defined(HAVE_PROCESS_H) && defined(__EMX__)
  30 #  include <process.h>
  31 #endif //   HAVE_PROCESS_H             __EMX__
  32
  33 #include <assert.h>
  34 }
  35
  36 #include <algorithm>
  37
  38 #include "util.hh"
  39
  40 using std::string;
  41
  42
  43 void Rect::setX(int x) {
  44   _x2 += x - _x1;
  45   _x1 = x;
  46 }
  47
  48
  49 void Rect::setY(int y)
  50 {
  51   _y2 += y - _y1;
  52   _y1 = y;
  53 }
  54
  55
  56 void Rect::setPos(int x, int y) {
  57   _x2 += x - _x1;
  58   _x1 = x;
  59   _y2 += y - _y1;
  60   _y1 = y;
  61 }
  62
  63
  64 void Rect::setWidth(unsigned int w) {
  65   _x2 = w + _x1 - 1;
  66 }
  67
  68
  69 void Rect::setHeight(unsigned int h) {
  70   _y2 = h + _y1 - 1;
  71 }
  72
  73
  74 void Rect::setSize(unsigned int w, unsigned int h) {
  75   _x2 = w + _x1 - 1;
  76   _y2 = h + _y1 - 1;
  77 }
  78
  79
  80 void Rect::setRect(int x, int y, unsigned int w, unsigned int h) {
  81   *this = Rect(x, y, w, h);
  82 }
  83
  84
  85 void Rect::setCoords(int l, int t, int r, int b) {
  86   _x1 = l;
  87   _y1 = t;
  88   _x2 = r;
  89   _y2 = b;
  90 }
  91
  92
  93 Rect Rect::operator|(const Rect &a) const {
  94   Rect b;
  95
  96   b._x1 = std::min(_x1, a._x1);
  97   b._y1 = std::min(_y1, a._y1);
  98   b._x2 = std::max(_x2, a._x2);
  99   b._y2 = std::max(_y2, a._y2);
 100
 101   return b;
 102 }
 103
 104
 105 Rect Rect::operator&(const Rect &a) const {
 106   Rect b;
 107
 108   b._x1 = std::max(_x1, a._x1);
 109   b._y1 = std::max(_y1, a._y1);
 110   b._x2 = std::min(_x2, a._x2);
 111   b._y2 = std::min(_y2, a._y2);
 112
 113   return b;
 114 }
 115
 116
 117 bool Rect::intersects(const Rect &a) const {
 118   return std::max(_x1, a._x1) <= std::min(_x2, a._x2) &&
 119          std::max(_y1, a._y1) <= std::min(_y2, a._y2);
 120 }
 121
 122
 123 bool Rect::contains(int x, int y) const {
 124   return x >= _x1 && x <= _x2 &&
 125          y >= _y1 && y <= _y2;
 126 }
 127
 128
 129 bool Rect::contains(const Rect& a) const {
 130   return a._x1 >= _x1 && a._x2 <= _x2 &&
 131          a._y1 >= _y1 && a._y2 <= _y2;
 132 }
 133
 134
 135 string expandTilde(const string& s) {
 136   if (s[0] != '~') return s;
 137
 138   const char* const home = getenv("HOME");
 139   if (home == NULL) return s;
 140
 141   return string(home + s.substr(s.find('/')));
 142 }
 143
 144
 145 void bexec(const string& command, const string& displaystring) {
 146 #ifndef    __EMX__
 147   if (! fork()) {
 148     setsid();
 149     int ret = putenv(const_cast<char *>(displaystring.c_str()));
 150     assert(ret != -1);
 151     ret = execl("/bin/sh", "/bin/sh", "-c", command.c_str(), NULL);
 152     exit(ret);
 153   }
 154 #else //   __EMX__
 155   spawnlp(P_NOWAIT, "cmd.exe", "cmd.exe", "/c", command.c_str(), NULL);
 156 #endif // !__EMX__
 157 }
 158
 159
 160 #ifndef   HAVE_BASENAME
 161 string basename (const string& path) {
 162   string::size_type slash = path.rfind('/');
 163   if (slash == string::npos)
 164     return path;
 165   return path.substr(slash+1);
 166 }
 167 #endif // HAVE_BASENAME
 168
 169
 170 string textPropertyToString(Display *display, XTextProperty& text_prop) {
 171   string ret;
 172
 173   if (text_prop.value && text_prop.nitems > 0) {
 174     if (text_prop.encoding == XA_STRING) {
 175       ret = (char *) text_prop.value;
 176     } else {
 177       text_prop.nitems = strlen((char *) text_prop.value);
 178
 179       char **list;
 180       int num;
 181       if (XmbTextPropertyToTextList(display, &text_prop,
 182                                     &list, &num) == Success &&
 183           num > 0 && *list) {
 184         ret = *list;
 185         XFreeStringList(list);
 186       }
 187     }
 188   }
 189
 190   return ret;
 191 }
 192
 193
 194 timeval normalizeTimeval(const timeval &tm) {
 195   timeval ret = tm;
 196
 197   while (ret.tv_usec < 0) {
 198     if (ret.tv_sec > 0) {
 199       --ret.tv_sec;
 200       ret.tv_usec += 1000000;
 201     } else {
 202       ret.tv_usec = 0;
 203     }
 204   }
 205
 206   if (ret.tv_usec >= 1000000) {
 207     ret.tv_sec += ret.tv_usec / 1000000;
 208     ret.tv_usec %= 1000000;
 209   }
 210
 211   if (ret.tv_sec < 0) ret.tv_sec = 0;
 212
 213   return ret;
 214 }
 215
 216
 217 string itostring(unsigned long i) {
 218   if (i == 0)
 219     return string("0");
 220
 221   string tmp;
 222   for (; i > 0; i /= 10)
 223     tmp.insert(tmp.begin(), "0123456789"[i%10]);
 224   return tmp;
 225 }
 226
 227
 228 string itostring(long i) {
 229   std::string tmp = itostring( (unsigned long) std::abs(i));
 230   if (i < 0)
 231     tmp.insert(tmp.begin(), '-');
 232   return tmp;
 233 }