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//
// "$Id: Fl_Clock.cxx,v 1.3 1998/10/21 14:20:00 mike Exp $"
//
// Clock widget for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998 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 to "fltk-bugs@easysw.com".
//
#include <FL/Fl.H>
#include <FL/Fl_Clock.H>
#include <FL/fl_draw.H>
#include <math.h>
#include <time.h>
// There really should be a way to make this display something other
// than the current time...
// Original clock display written by Paul Haeberli at SGI.
// Modifications by Mark Overmars for Forms
// Further changes by Bill Spitzak for fltk
const float hourhand[4][2] = {{-0.5f, 0}, {0, 1.5f}, {0.5f, 0}, {0, -7.0f}};
const float minhand[4][2] = {{-0.5f, 0}, {0, 1.5f}, {0.5f, 0}, {0, -11.5f}};
const float sechand[4][2] = {{-0.1f, 0}, {0, 2.0f}, {0.1f, 0}, {0, -11.5f}};
static void drawhand(double ang,const float v[][2],Fl_Color fill,Fl_Color line)
{
fl_push_matrix();
fl_rotate(ang);
fl_color(fill); fl_begin_polygon();
int i; for (i=0; i<4; i++) fl_vertex(v[i][0],v[i][1]); fl_end_polygon();
fl_color(line); fl_begin_loop();
for (i=0; i<4; i++) fl_vertex(v[i][0],v[i][1]); fl_end_loop();
fl_pop_matrix();
}
void Fl_Clock::drawhands(Fl_Color fill, Fl_Color line) {
drawhand(-360*(hour()+minute()/60.0)/12, hourhand, fill, line);
drawhand(-360*(minute()+second()/60.0)/60, minhand, fill, line);
drawhand(-360*(second()/60.0), sechand, fill, line);
}
static void rect(double x, double y, double w, double h) {
double r = x+w;
double t = y+h;
fl_begin_polygon();
fl_vertex(x, y);
fl_vertex(r, y);
fl_vertex(r, t);
fl_vertex(x, t);
fl_end_polygon();
}
void Fl_Clock::draw(int x, int y, int w, int h) {
draw_box(box(), x, y, w, h, type()==FL_ROUND_CLOCK ? FL_GRAY : color());
fl_push_matrix();
fl_translate(x+w/2.0-.5, y+h/2.0-.5);
fl_scale((w-1)/28.0, (h-1)/28.0);
if (type() == FL_ROUND_CLOCK) {
fl_color(color());
fl_begin_polygon(); fl_circle(0,0,14); fl_end_polygon();
fl_color(FL_BLACK);
fl_begin_loop(); fl_circle(0,0,14); fl_end_loop();
}
// draw the shadows:
fl_push_matrix();
fl_translate(0.60, 0.60);
drawhands(FL_DARK3, FL_DARK3);
fl_pop_matrix();
// draw the tick marks:
fl_push_matrix();
fl_color(FL_BLACK); // color was 52
for (int i=0; i<12; i++) {
if (i==6) rect(-0.5, 9, 1, 2);
else if (i==3 || i==0 || i== 9) rect(-0.5, 9.5, 1, 1);
else rect(-0.25, 9.5, .5, 1);
fl_rotate(-30);
}
fl_pop_matrix();
// draw the hands:
drawhands(selection_color(), FL_GRAY0); // color was 54
fl_pop_matrix();
}
void Fl_Clock::draw() {
draw(x(), y(), w(), h());
draw_label();
}
void Fl_Clock::value(int h, int m, int s) {
if (h!=hour_ || m!=minute_ || s!=second_) {
hour_ = h; minute_ = m; second_ = s;
redraw();
}
}
void Fl_Clock::value(ulong v) {
struct tm *timeofday;
timeofday = localtime((const time_t *)&v);
value(timeofday->tm_hour, timeofday->tm_min, timeofday->tm_sec);
}
static void tick(void *v) {
((Fl_Clock*)v)->value(time(0));
Fl::add_timeout(1, tick, v);
}
void Fl_Clock::_Fl_Clock() {
selection_color(fl_gray_ramp(5));
align(FL_ALIGN_BOTTOM);
value(time(0));
//Fl::add_timeout(1, tick, this);
}
Fl_Clock::Fl_Clock(int x, int y, int w, int h, const char *l)
: Fl_Widget(x, y, w, h, l) {
box(FL_UP_BOX);
_Fl_Clock();
}
Fl_Clock::Fl_Clock(uchar t, int x, int y, int w, int h, const char *l)
: Fl_Widget(x, y, w, h, l) {
type(t);
box(t==FL_ROUND_CLOCK ? FL_NO_BOX : FL_UP_BOX);
_Fl_Clock();
}
Fl_Clock::~Fl_Clock() {
Fl::remove_timeout(tick, this);
}
int Fl_Clock::handle(int event) {
switch (event) {
case FL_HIDE:
Fl::remove_timeout(tick, this);
break;
case FL_SHOW:
Fl::remove_timeout(tick, this);
tick(this);
}
return 0;
}
//
// End of "$Id: Fl_Clock.cxx,v 1.3 1998/10/21 14:20:00 mike Exp $".
//
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