File: examplewindow.h
(For use with gtkmm 4)
#ifndef GTKMM_EXAMPLEWINDOW_H #define GTKMM_EXAMPLEWINDOW_H #include <gtkmm/window.h> #include <gtkmm/comboboxtext.h> class ExampleWindow : public Gtk::Window { public: ExampleWindow(); virtual ~ExampleWindow(); protected: //Signal handlers: void on_combo_changed(); //Child widgets: Gtk::ComboBoxText m_Combo; }; #endif //GTKMM_EXAMPLEWINDOW_H
File: examplewindow.cc
(For use with gtkmm 4)
#include "examplewindow.h" #include <iostream> ExampleWindow::ExampleWindow() { set_title("ComboBoxText example"); //Fill the combo: m_Combo.append("something"); m_Combo.append("something else"); m_Combo.append("something or other"); m_Combo.set_active(1); set_child(m_Combo); //Connect signal handler: m_Combo.signal_changed().connect(sigc::mem_fun(*this, &ExampleWindow::on_combo_changed) ); } ExampleWindow::~ExampleWindow() { } void ExampleWindow::on_combo_changed() { Glib::ustring text = m_Combo.get_active_text(); if(!(text.empty())) std::cout << "Combo changed: " << text << std::endl; }
File: main.cc
(For use with gtkmm 4)
#include "examplewindow.h" #include <gtkmm/application.h> int main(int argc, char *argv[]) { auto app = Gtk::Application::create("org.gtkmm.example"); //Shows the window and returns when it is closed. return app->make_window_and_run<ExampleWindow>(argc, argv); }