src/Timer.cc

   1 // Timer.cc for Blackbox - An X11 Window Manager
   2 // Copyright (c) 1997 - 1999 Brad Hughes (bhughes@tcac.net)
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining a
   5 // copy of this software and associated documentation files (the "Software"),
   6 // to deal in the Software without restriction, including without limitation
   7 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 // and/or sell copies of the Software, and to permit persons to whom the
   9 // Software is furnished to do so, subject to the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be included in
  12 // all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20 // DEALINGS IN THE SOFTWARE.
  21 //
  22 // $Id$
  23
  24 // stupid macros needed to access some functions in version 2 of the GNU C
  25 // library
  26 #ifndef   _GNU_SOURCE
  27 #  define _GNU_SOURCE
  28 #endif // _GNU_SOURCE
  29
  30 #ifdef    HAVE_CONFIG_H
  31 #  include "config.h"
  32 #endif // HAVE_CONFIG_H
  33
  34 #include "BaseDisplay.hh"
  35 #include "Timer.hh"
  36
  37
  38 BTimer::BTimer(BaseDisplay *d, TimeoutHandler *h) {
  39   display = d;
  40   handler = h;
  41
  42   once = timing = False;
  43 }
  44
  45
  46 BTimer::~BTimer(void) {
  47   if (timing) stop();
  48 }
  49
  50
  51 void BTimer::setTimeout(long t) {
  52   _timeout.tv_sec = t / 1000;
  53   _timeout.tv_usec = t;
  54   _timeout.tv_usec -= (_timeout.tv_sec * 1000);
  55   _timeout.tv_usec *= 1000;
  56 }
  57
  58
  59 void BTimer::setTimeout(timeval t) {
  60   _timeout.tv_sec = t.tv_sec;
  61   _timeout.tv_usec = t.tv_usec;
  62 }
  63
  64
  65 void BTimer::start(void) {
  66   gettimeofday(&_start, 0);
  67
  68   if (! timing) {
  69     timing = True;
  70     display->addTimer(this);
  71   }
  72 }
  73
  74
  75 void BTimer::stop(void) {
  76   timing = False;
  77
  78   display->removeTimer(this);
  79 }
  80
  81
  82 void BTimer::fireTimeout(void) {
  83   if (handler) handler->timeout();
  84 }