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//
// "$Id: forms_timer.cxx 6928 2009-11-07 21:11:16Z matt $"
//
// Forms timer object for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2005 by Bill Spitzak and others.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
// Emulate the Forms Timer object
// You don't want to use this if you just want a timeout, call
// Fl::add_timeout directly!
#include <FL/Fl.H>
#include <FL/Fl_Timer.H>
#include <FL/fl_draw.H>
#ifdef WIN32
# ifdef __MWERKS__
# include <time.h>
# else
# include <sys/types.h>
# include <sys/timeb.h>
# endif
#else
# include <time.h>
# include <sys/time.h>
#endif
#include <stdio.h>
#define FL_TIMER_BLINKRATE 0.2
void fl_gettime(long* sec, long* usec) {
#ifdef WIN32
# ifdef __MWERKS__
time_t localTime = time(NULL);
struct tm *now = localtime(&localTime);
*sec = now->tm_sec + 60*now->tm_min + 3600*now->tm_hour + 24*3600*now->tm_yday;
*usec = 0;
# else
struct timeb tp;
ftime(&tp);
*sec = tp.time;
*usec = tp.millitm * 1000;
# endif
#else
struct timeval tp;
struct timezone tzp;
gettimeofday(&tp, &tzp);
*sec = tp.tv_sec;
*usec = tp.tv_usec;
#endif
}
void Fl_Timer::draw() {
int tt;
Fl_Color col;
char str[32];
if (!on || delay>0.0)
col = color();
else if ((int) (delay / FL_TIMER_BLINKRATE) % 2)
col = color();
else
col = selection_color();
draw_box(box(), col);
if (type() == FL_VALUE_TIMER && delay>0.0) {
double d = direction_ ? total-delay : delay;
if (d < 60.0)
sprintf(str, "%.1f", d);
else {
tt = (int) ((d+0.05) / 60.0);
sprintf(str, "%d:%04.1f", tt, d - 60.0 * tt);
}
fl_font(labelfont(), labelsize());
fl_color(labelcolor());
fl_draw(str, x(), y(), w(), h(), FL_ALIGN_CENTER);
} else
draw_label();
}
void Fl_Timer::stepcb(void* v) {
((Fl_Timer*)v)->step();
}
void Fl_Timer::step() {
if (!on) return;
double lastdelay = delay;
long sec, usec; fl_gettime(&sec, &usec);
delay -= (double) (sec - lastsec) + (double) (usec - lastusec) / 1000000.0;
lastsec = sec; lastusec = usec;
if (lastdelay > 0.0 && delay <= 0.0) {
if (type() == FL_HIDDEN_TIMER) {
on = 0;
delay = 0;
} else {
redraw();
Fl::add_timeout(FL_TIMER_BLINKRATE, stepcb, this);
}
set_changed();
do_callback();
} else {
if (type() == FL_VALUE_TIMER) redraw();
Fl::add_timeout(FL_TIMER_BLINKRATE, stepcb, this);
}
}
int Fl_Timer::handle(int event) {
if (event == FL_RELEASE && delay <= 0) value(0.0);
return 0;
}
Fl_Timer::~Fl_Timer() {
Fl::remove_timeout(stepcb, this);
}
Fl_Timer::Fl_Timer(uchar t, int X, int Y, int W, int H, const char* l)
: Fl_Widget(X, Y, W, H, l) {
box(FL_DOWN_BOX);
selection_color(FL_RED);
delay = 0;
on = 0;
direction_ = 0;
lastsec = lastusec = total = 0;
type(t);
if (t == FL_HIDDEN_TIMER) clear_visible();
if (t == FL_VALUE_TIMER) align(FL_ALIGN_LEFT);
}
void Fl_Timer::value(double d) {
delay = total = d;
on = (d > 0.0);
fl_gettime(&(lastsec), &(lastusec));
if (type() != FL_HIDDEN_TIMER) redraw();
Fl::remove_timeout(stepcb, this);
if (on) Fl::add_timeout(FL_TIMER_BLINKRATE, stepcb, this);
}
void Fl_Timer::suspended(char d) {
if (!d) {
if (on) return;
on = (delay > 0.0);
fl_gettime(&(lastsec), &(lastusec));
if (on) Fl::add_timeout(FL_TIMER_BLINKRATE, stepcb, this);
} else {
if (!on) return;
on = 0;
Fl::remove_timeout(stepcb, this);
}
}
//
// End of "$Id: forms_timer.cxx 6928 2009-11-07 21:11:16Z matt $".
//
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