Font_Chooser.cpp

#include "fl_font_chooser.h"
#include <FL/Fl_Box.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Window.H>

namespace Examples {
  class Main_Window : public Fl_Window {
  public:
    Main_Window() : Fl_Window {200, 100, 400, 400, "Font chooser example"} {
      resizable(this);

      button.callback([](Fl_Widget* sender, void* window) {
        auto font = static_cast<Main_Window*>(window)->label.labelfont();
        auto size = static_cast<Main_Window*>(window)->label.labelsize();
        auto color = static_cast<Main_Window*>(window)->label.labelcolor();
        if (fl_font_chooser("Font", font, size, color) == 1) {
          static_cast<Main_Window*>(window)->label.labelfont(font);
          static_cast<Main_Window*>(window)->label.labelsize(size);
          static_cast<Main_Window*>(window)->label.labelcolor(color);
          static_cast<Main_Window*>(window)->label.redraw();
        }
      }, this);

      label.box(FL_FLAT_BOX);
      label.align(FL_ALIGN_LEFT | FL_ALIGN_TOP | FL_ALIGN_INSIDE | FL_ALIGN_CLIP);
    }
    
  private:
    Fl_Button button {10, 10, 75, 25, "Font..."};
    Fl_Box label {10, 50, 380, 340,
      "The quick brown fox jumps over the lazy dog.\n"
      "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG.\n"
      "0123456789+-*/%~^&|=<>≤≥±÷≠{{[()]}},;:.?¿!¡\n"
      "àçéèêëïî@@°_#§$ù£€æœø𵩮∞\\\"'\n"
      "\u0400\u0401\u0402\u0403\u0404\u0405\u0406\u0407\u0408\u0409\u040a\u040b\u040c\u040d\u040e\u040f\n"
      "\u0410\u0411\u0412\u0413\u0414\u0415\u0416\u0417\u0418\u0419\u041a\u041b\u041c\u041d\u041e\u041f\n"
      "\u4ea0\u4ea1\u4ea2\u4ea3\u4ea4\u4ea5\u4ea6\u4ea7\u4ea8\u4ea9\u4eaa\u4eab\u4eac\u4ead\u4eae\u4eaf\n"
      "\u4eb0\u4eb1\u4eb2\u4eb3\u4eb4\u4eb5\u4eb6\u4eb7\u4eb8\u4eb9\u4eba\u4ebb\u4ebc\u4ebd\u4ebe\u4ebf\n"
      "\U0001F428"};
  };
}

auto main(int argc, char *argv[]) -> int {
  auto window = Examples::Main_Window {};
  window.show(argc, argv);
  return Fl::run();
}