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[STR New]

Link: https://www.fltk.org/str.php?L3222
Version: 1.4-feature


Attached file "value_slider.cxx"...


Link: https://www.fltk.org/str.php?L3222
Version: 1.4-feature

//
// Simple Value Slider test program for the Fast Light Tool Kit (FLTK).
//
// Copyright 2022 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:
//
//     https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
//     https://www.fltk.org/bugs.php
//

// Beware: this test program is a "quick and dirty hack".

#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Value_Slider.H>

Fl_Value_Slider *s1 = 0;
Fl_Value_Slider *s2 = 0;
Fl_Value_Slider *s3 = 0;
Fl_Value_Slider *s4 = 0;

void value_width_cb(Fl_Value_Slider *o, void*) {
  int width = (int)o->value();
  s1->value_width(width);
  s1->value_height(width - 10);
  s2->value_width(width + 5);
  s3->value_width(width + 10);
  s1->parent()->redraw();
}

void callback(Fl_Widget* o, void*) {
  const char *name = (const char*)(o->user_data() ? o->user_data() : "???");
  fprintf(stderr, "callback(): %s value() = \033[2m%g\033[0m\n",
          name, ((Fl_Valuator*)o)->value());
}

int main(int argc, char **argv) {
  Fl_Window *window = new Fl_Window(500, 400, "Fl_Value_Slider Test");

  { Fl_Value_Slider *o = s1 = new Fl_Value_Slider(20, 20, 60, 120, "FL_HOR_SLIDER");
    o->type(0);
    o->selection_color((Fl_Color)1);
    o->labelsize(8);
    o->callback((Fl_Callback*)callback, (void*)("Fl_Value_Slider FL_HOR_SLIDER"));
  } // Fl_Value_Slider* o

  { Fl_Value_Slider* o = s2 = new Fl_Value_Slider(100, 100, 200, 20, "FL_HOR_FILL_SLIDER");
    o->type(3);
    o->selection_color((Fl_Color)1);
    o->labelsize(8);
    o->callback((Fl_Callback*)callback, (void*)("Fl_Value_Slider FL_HOR_FILL_SLIDER"));
  } // Fl_Value_Slider* o

  { Fl_Value_Slider* o = s3 = new Fl_Value_Slider(180, 180, 300, 20, "FL_HOR_NICE_SLIDER");
    o->type(5);
    o->box(FL_FLAT_BOX);
    o->color((Fl_Color)10);
    o->selection_color((Fl_Color)1);
    o->labelsize(8);
    o->minimum(-999999);
    o->maximum(999999);
    o->step(0.001);
    o->callback((Fl_Callback*)callback, (void*)("Fl_Value_Slider FL_HOR_NICE_SLIDER"));
  } // Fl_Value_Slider* o

  { Fl_Value_Slider* o = s4 = new Fl_Value_Slider(30, 330, 300, 20, "value_width");
    o->type(5);
    o->box(FL_FLAT_BOX);
    o->color((Fl_Color)10);
    o->selection_color((Fl_Color)1);
    o->labelsize(8);
    o->callback((Fl_Callback*)value_width_cb, (void*)(0));
    o->minimum(0);
    o->maximum(300);
    o->step(1);
    o->value(35);

  } // Fl_Value_Slider* o

  window->end();
  window->resizable(window);
  window->size_range(200, 200);
  window->show(argc, argv);
  return Fl::run();
}