This dialog allows the user to choose a file or folder. For instance, it is used when saving or loading documents.
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_file_clicked(); virtual void on_button_folder_clicked(); //Child widgets: Gtk::VButtonBox m_ButtonBox; Gtk::Button m_Button_File, m_Button_Folder; }; #endif //GTKMM_EXAMPLEWINDOW_H
File: examplewindow.cc
#include "examplewindow.h" #include <gtkmm/dialog.h> #include <iostream> ExampleWindow::ExampleWindow() : m_Button_File("Choose File"), m_Button_Folder("Choose Folder") { set_title("Gtk::FileSelection example"); add(m_ButtonBox); m_ButtonBox.pack_start(m_Button_File); m_Button_File.signal_clicked().connect( SigC::slot(*this, &ExampleWindow::on_button_file_clicked) ); m_ButtonBox.pack_start(m_Button_Folder); m_Button_Folder.signal_clicked().connect( SigC::slot(*this, &ExampleWindow::on_button_folder_clicked) ); show_all_children(); } ExampleWindow::~ExampleWindow() { } void ExampleWindow::on_button_folder_clicked() { Gtk::FileSelection dialog("Please choose a folder"); dialog.set_transient_for(*this); dialog.get_file_list()->get_parent()->hide(); //Prevent the user from selecting a file. int result = dialog.run(); //Handle the response: switch(result) { case(Gtk::RESPONSE_OK): { std::cout << "OK clicked." << std::endl; std::cout << "Folder selected: " << dialog.get_filename() << std::endl; break; } case(Gtk::RESPONSE_CANCEL): { std::cout << "Cancel clicked." << std::endl; break; } default: { std::cout << "Unexpected button clicked." << std::endl; break; } } } void ExampleWindow::on_button_file_clicked() { Gtk::FileSelection dialog("Please choose a file"); dialog.set_transient_for(*this); int result = dialog.run(); //Handle the response: switch(result) { case(Gtk::RESPONSE_OK): { std::cout << "OK clicked." << std::endl; std::string filename = dialog.get_filename(); //Notice that it is a std::string, not a Glib::ustring. std::cout << "File selected: " << filename << 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; }