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- //
- // "$Id: Fl_Clock.cxx,v 1.8.2.1 1999/03/25 15:26:42 mike Exp $"
- //
- // Clock widget for the Fast Light Tool Kit (FLTK).
- //
- // Copyright 1998-1999 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>
- #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) {
- 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_Output::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_Output::draw() {
- draw(x(), y(), w(), h());
- draw_label();
- }
-
- void Fl_Clock_Output::value(int h, int m, int s) {
- if (h!=hour_ || m!=minute_ || s!=second_) {
- hour_ = h; minute_ = m; second_ = s;
- damage(FL_DAMAGE_CHILD);
- }
- }
-
- void Fl_Clock_Output::value(ulong v) {
- struct tm *timeofday;
- timeofday = localtime((const time_t *)&v);
- value(timeofday->tm_hour, timeofday->tm_min, timeofday->tm_sec);
- }
-
- 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;
- }
-
- ////////////////////////////////////////////////////////////////
-
- Fl_Clock::Fl_Clock(int x, int y, int w, int h, const char *l)
- : Fl_Clock_Output(x, y, w, h, l) {}
-
- 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) {
- #ifdef WIN32
- ((Fl_Clock*)v)->value(time(0));
- Fl::add_timeout(1.0, tick, v);
- #else
- struct timeval t;
- gettimeofday(&t, 0);
- ((Fl_Clock*)v)->value(t.tv_sec);
- double delay = 1.0-t.tv_usec*.000001;
- if (delay < .1 || delay > .9) delay = 1.0;
- Fl::add_timeout(delay, tick, v);
- #endif
- }
-
- 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);
- }
-
- Fl_Clock::~Fl_Clock() {
- Fl::remove_timeout(tick, this);
- }
-
- //
- // End of "$Id: Fl_Clock.cxx,v 1.8.2.1 1999/03/25 15:26:42 mike Exp $".
- //
-