FontSelectionDialog
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## FontSelectionDialog

This dialog allows the user to choose a font.

Reference

### Example

Figure 13.4. FontSelectionDialog

Source Code

File: examplewindow.h

    #ifndef GTKMM_EXAMPLEWINDOW_H
    #define GTKMM_EXAMPLEWINDOW_H

    #include <gtkmm.h>

    class ExampleWindow : public Gtk::Window
    {
    public:
      ExampleWindow();
      virtual ~ExampleWindow();

    protected:
      //Signal handlers:
      virtual void on_button_clicked();

      //Child widgets:
      Gtk::Button m_Button;
    };

    #endif //GTKMM_EXAMPLEWINDOW_H

File: examplewindow.cc

    #include "examplewindow.h"
    #include <iostream>

    ExampleWindow::ExampleWindow()
    : m_Button("Show Dialog")
    {
      set_title("Gtk::FontSelectionDialog example");

      add(m_Button);
      m_Button.signal_clicked().connect( SigC::slot(*this, &ExampleWindow::on_button_clicked) );

      show_all_children();
    }

    ExampleWindow::~ExampleWindow()
    {
    }

    void ExampleWindow::on_button_clicked()
    {
      Gtk::FontSelectionDialog dialog;

      int result = dialog.run();

      //Handle the response:
      switch(result)
      {
        case(Gtk::RESPONSE_OK):
        {
          Glib::ustring font_name = dialog.get_font_name();
          std::cout << "Font chosen: " << font_name << std::endl;
          break;
        }
        case(Gtk::RESPONSE_CANCEL):
        {
          std::cout << "Cancel clicked." << std::endl;
          break;
        }
        default:
        {
          std::cout << "Unexpected button clicked." << std::endl;
          break;
        }
      }
    }

File: main.cc

    #include <gtkmm/main.h>
    #include "examplewindow.h"

    int main(int argc, char *argv[])
    {
      Gtk::Main kit(argc, argv);

      ExampleWindow window;
      Gtk::Main::run(window); //Shows the window and returns when it is closed.

      return 0;
    }

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