1 // -*- mode: C++; indent-tabs-mode: nil; -*-
2 // Timer.cc for Blackbox - An X11 Window Manager
3 // Copyright (c) 2001 - 2002 Sean 'Shaleh' Perry <shaleh@debian.org>
4 // Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
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:
13 // The above copyright notice and this permission notice shall be included in
14 // all copies or substantial portions of the Software.
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.
25 # include "../config.h"
26 #endif // HAVE_CONFIG_H
28 #include "BaseDisplay.hh"
32 BTimer::BTimer(TimerQueueManager *m, TimeoutHandler *h) {
36 recur = timing = False;
40 BTimer::~BTimer(void) {
45 void BTimer::setTimeout(long t) {
46 _timeout.tv_sec = t / 1000;
47 _timeout.tv_usec = t % 1000;
48 _timeout.tv_usec *= 1000;
52 void BTimer::setTimeout(const timeval &t) {
53 _timeout.tv_sec = t.tv_sec;
54 _timeout.tv_usec = t.tv_usec;
58 void BTimer::start(void) {
59 gettimeofday(&_start, 0);
63 manager->addTimer(this);
68 void BTimer::stop(void) {
71 manager->removeTimer(this);
75 void BTimer::halt(void) {
80 void BTimer::fireTimeout(void) {
86 timeval BTimer::timeRemaining(const timeval &tm) const {
87 timeval ret = endpoint();
89 ret.tv_sec -= tm.tv_sec;
90 ret.tv_usec -= tm.tv_usec;
92 return normalizeTimeval(ret);
96 timeval BTimer::endpoint(void) const {
99 ret.tv_sec = _start.tv_sec + _timeout.tv_sec;
100 ret.tv_usec = _start.tv_usec + _timeout.tv_usec;
102 return normalizeTimeval(ret);
106 bool BTimer::shouldFire(const timeval &tm) const {
107 timeval end = endpoint();
109 return ! ((tm.tv_sec < end.tv_sec) ||
110 (tm.tv_sec == end.tv_sec && tm.tv_usec < end.tv_usec));