FileChooserDialog
The FileChooserDialog is suitable for use with "Open" or "Save" menu items.
Most of the useful member methods for this class are actually in the Gtk::FileChooser base class.
- 15.2.1. Exemplo
15.2.1. Exemplo
File: examplewindow.h (For use with gtkmm 4)
#ifndef GTKMM_EXAMPLEWINDOW_H #define GTKMM_EXAMPLEWINDOW_H #include <gtkmm.h> class ExampleWindow : public Gtk::Window { public: ExampleWindow(); virtual ~ExampleWindow(); protected: //Signal handlers: void on_button_file_clicked(); void on_button_folder_clicked(); void on_file_dialog_response(int response_id, Gtk::FileChooserDialog* dialog); void on_folder_dialog_response(int response_id, Gtk::FileChooserDialog* dialog); //Child widgets: Gtk::Box m_ButtonBox; Gtk::Button m_Button_File, m_Button_Folder; }; #endif //GTKMM_EXAMPLEWINDOW_H
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); }
File: examplewindow.cc (For use with gtkmm 4)
#include "examplewindow.h" #include <iostream> ExampleWindow::ExampleWindow() : m_ButtonBox(Gtk::Orientation::VERTICAL), m_Button_File("Choose File"), m_Button_Folder("Choose Folder") { set_title("Gtk::FileSelection example"); set_child(m_ButtonBox); m_ButtonBox.append(m_Button_File); m_Button_File.set_expand(true); m_Button_File.signal_clicked().connect(sigc::mem_fun(*this, &ExampleWindow::on_button_file_clicked) ); m_ButtonBox.append(m_Button_Folder); m_Button_Folder.set_expand(true); m_Button_Folder.signal_clicked().connect(sigc::mem_fun(*this, &ExampleWindow::on_button_folder_clicked) ); } ExampleWindow::~ExampleWindow() { } void ExampleWindow::on_button_file_clicked() { auto dialog = new Gtk::FileChooserDialog("Please choose a file", Gtk::FileChooser::Action::OPEN); dialog->set_transient_for(*this); dialog->set_modal(true); dialog->signal_response().connect(sigc::bind( sigc::mem_fun(*this, &ExampleWindow::on_file_dialog_response), dialog)); //Add response buttons to the dialog: dialog->add_button("_Cancel", Gtk::ResponseType::CANCEL); dialog->add_button("_Open", Gtk::ResponseType::OK); //Add filters, so that only certain file types can be selected: auto filter_text = Gtk::FileFilter::create(); filter_text->set_name("Text files"); filter_text->add_mime_type("text/plain"); dialog->add_filter(filter_text); auto filter_cpp = Gtk::FileFilter::create(); filter_cpp->set_name("C/C++ files"); filter_cpp->add_mime_type("text/x-c"); filter_cpp->add_mime_type("text/x-c++"); filter_cpp->add_mime_type("text/x-c-header"); dialog->add_filter(filter_cpp); auto filter_any = Gtk::FileFilter::create(); filter_any->set_name("Any files"); filter_any->add_pattern("*"); dialog->add_filter(filter_any); //Show the dialog and wait for a user response: dialog->show(); } void ExampleWindow::on_file_dialog_response(int response_id, Gtk::FileChooserDialog* dialog) { //Handle the response: switch (response_id) { case Gtk::ResponseType::OK: { std::cout << "Open clicked." << std::endl; //Notice that this is a std::string, not a Glib::ustring. auto filename = dialog->get_file()->get_path(); std::cout << "File selected: " << filename << std::endl; break; } case Gtk::ResponseType::CANCEL: { std::cout << "Cancel clicked." << std::endl; break; } default: { std::cout << "Unexpected button clicked." << std::endl; break; } } delete dialog; } void ExampleWindow::on_button_folder_clicked() { auto dialog = new Gtk::FileChooserDialog("Please choose a folder", Gtk::FileChooser::Action::SELECT_FOLDER); dialog->set_transient_for(*this); dialog->set_modal(true); dialog->signal_response().connect(sigc::bind( sigc::mem_fun(*this, &ExampleWindow::on_folder_dialog_response), dialog)); //Add response buttons to the dialog: dialog->add_button("_Cancel", Gtk::ResponseType::CANCEL); dialog->add_button("Select", Gtk::ResponseType::OK); //Show the dialog and wait for a user response: dialog->show(); } void ExampleWindow::on_folder_dialog_response(int response_id, Gtk::FileChooserDialog* dialog) { //Handle the response: switch (response_id) { case Gtk::ResponseType::OK: { std::cout << "Select clicked." << std::endl; std::cout << "Folder selected: " << dialog->get_file()->get_path() << std::endl; break; } case Gtk::ResponseType::CANCEL: { std::cout << "Cancel clicked." << std::endl; break; } default: { std::cout << "Unexpected button clicked." << std::endl; break; } } delete dialog; }