Botão de seleção
Gtk::CheckButton é derivado de Gtk::ToggleButton. A única diferença real entre os dois é a aparência de Gtk::CheckButton. Você pode selecionar, definir e alternar um botão de seleção usando os mesmos métodos membros de um Gtk::ToggleButton.
- 5.3.1 Exemplo
5.3.1 Exemplo
File: examplewindow.h (For use with gtkmm 3, not gtkmm 2)
#ifndef GTKMM_EXAMPLE_BUTTONS_H #define GTKMM_EXAMPLE_BUTTONS_H #include <gtkmm/window.h> #include <gtkmm/checkbutton.h> class ExampleWindow : public Gtk::Window { public: ExampleWindow(); virtual ~ExampleWindow(); protected: //Signal handlers: void on_button_clicked(); //Child widgets: Gtk::CheckButton m_button; }; #endif //GTKMM_EXAMPLE_BUTTONS_H
File: examplewindow.cc (For use with gtkmm 3, not gtkmm 2)
#include "examplewindow.h" #include <iostream> ExampleWindow::ExampleWindow() : m_button("something") { set_title("checkbutton example"); set_border_width(10); m_button.signal_clicked().connect(sigc::mem_fun(*this, &ExampleWindow::on_button_clicked) ); add(m_button); show_all_children(); } ExampleWindow::~ExampleWindow() { } void ExampleWindow::on_button_clicked() { std::cout << "The Button was clicked: state=" << (m_button.get_active() ? "true" : "false") << std::endl; }
File: main.cc (For use with gtkmm 3, not gtkmm 2)
#include "examplewindow.h" #include <gtkmm/main.h> int main(int argc, char *argv[]) { Gtk::Main kit(argc, argv); ExampleWindow window; //Shows the window and returns when it is closed. Gtk::Main::run(window); return 0; }