ref: 9eaba52cafcac7c2f3bfc72d7be1f15893196be1
dir: /DoConfig/fltk/src/Fl_Clock.cxx/
//
// "$Id$"
//
// Clock widget for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
#include <FL/Fl.H>
#include <FL/Fl_Clock.H>
#include <FL/Fl_Round_Clock.H>
#include <FL/fl_draw.H>
#include <math.h>
#include <time.h>
#ifndef WIN32
# include <sys/time.h>
#endif /* !WIN32 */
// 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_Output::drawhands(Fl_Color fill, Fl_Color line) {
if (!active_r()) {
fill = fl_inactive(fill);
line = fl_inactive(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();
}
/**
Draw clock with the given position and size.
\param[in] X, Y, W, H position and size
*/
void Fl_Clock_Output::draw(int X, int Y, int W, int H) {
Fl_Color box_color = type()==FL_ROUND_CLOCK ? FL_GRAY : color();
Fl_Color shadow_color = fl_color_average(box_color, FL_BLACK, 0.5);
draw_box(box(), X, Y, W, H, box_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(active_r() ? color() : fl_inactive(color()));
fl_begin_polygon(); fl_circle(0,0,14); fl_end_polygon();
fl_color(active_r() ? FL_FOREGROUND_COLOR : fl_inactive(FL_FOREGROUND_COLOR));
fl_begin_loop(); fl_circle(0,0,14); fl_end_loop();
}
// draw the shadows:
fl_push_matrix();
fl_translate(0.60, 0.60);
drawhands(shadow_color, shadow_color);
fl_pop_matrix();
// draw the tick marks:
fl_push_matrix();
fl_color(active_r() ? FL_FOREGROUND_COLOR : fl_inactive(FL_FOREGROUND_COLOR));
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_FOREGROUND_COLOR); // color was 54
fl_pop_matrix();
}
/**
Draw clock with current position and size.
*/
void Fl_Clock_Output::draw() {
draw(x(), y(), w(), h());
draw_label();
}
/**
Set the displayed time.
Set the time in hours, minutes, and seconds.
\param[in] H, m, s displayed time
\see hour(), minute(), second()
*/
void Fl_Clock_Output::value(int H, int m, int s) {
if (H!=hour_ || m!=minute_ || s!=second_) {
hour_ = H; minute_ = m; second_ = s;
value_ = (H * 60 + m) * 60 + s;
damage(FL_DAMAGE_CHILD);
}
}
/**
Set the displayed time.
Set the time in seconds since the UNIX epoch (January 1, 1970).
\param[in] v seconds since epoch
\see value()
*/
void Fl_Clock_Output::value(ulong v) {
value_ = v;
struct tm *timeofday;
// Some platforms, notably Windows, now use a 64-bit time_t value...
time_t vv = (time_t)v;
timeofday = localtime(&vv);
value(timeofday->tm_hour, timeofday->tm_min, timeofday->tm_sec);
}
/**
Create a new Fl_Clock_Output widget with the given position, size and label.
The default boxtype is \c FL_NO_BOX.
\param[in] X, Y, W, H position and size of the widget
\param[in] L widget label, default is no label
*/
Fl_Clock_Output::Fl_Clock_Output(int X, int Y, int W, int H, const char *L)
: Fl_Widget(X, Y, W, H, L) {
box(FL_UP_BOX);
selection_color(fl_gray_ramp(5));
align(FL_ALIGN_BOTTOM);
hour_ = 0;
minute_ = 0;
second_ = 0;
value_ = 0;
}
////////////////////////////////////////////////////////////////
/**
Create an Fl_Clock widget using the given position, size, and label string.
The default boxtype is \c FL_NO_BOX.
\param[in] X, Y, W, H position and size of the widget
\param[in] L widget label, default is no label
*/
Fl_Clock::Fl_Clock(int X, int Y, int W, int H, const char *L)
: Fl_Clock_Output(X, Y, W, H, L) {}
/**
Create an Fl_Clock widget using the given boxtype, position, size, and
label string.
\param[in] t boxtype
\param[in] X, Y, W, H position and size of the widget
\param[in] L widget label, default is no label
*/
Fl_Clock::Fl_Clock(uchar t, int X, int Y, int W, int H, const char *L)
: Fl_Clock_Output(X, Y, W, H, L) {
type(t);
box(t==FL_ROUND_CLOCK ? FL_NO_BOX : FL_UP_BOX);
}
static void tick(void *v) {
((Fl_Clock*)v)->value((ulong) time(0));
Fl::add_timeout(1.0, tick, v);
}
int Fl_Clock::handle(int event) {
switch (event) {
case FL_SHOW:
tick(this);
break;
case FL_HIDE:
Fl::remove_timeout(tick, this);
break;
}
return Fl_Clock_Output::handle(event);
}
/**
The destructor removes the clock.
*/
Fl_Clock::~Fl_Clock() {
Fl::remove_timeout(tick, this);
}
Fl_Round_Clock::Fl_Round_Clock(int X,int Y,int W,int H, const char *L)
: Fl_Clock(X, Y, W, H, L)
{
type(FL_ROUND_CLOCK);
box(FL_NO_BOX);
}
//
// End of "$Id$".
//