MessageDialog
MessageDialog is a convenience class, used to create simple, standard message dialogs, with a message, an icon, and buttons for user response. You can specify the type of message and the text in the constructor, as well as specifying standard buttons via the Gtk::ButtonsType enum.
- 16.1.1. 示例
16.1.1. 示例
File: examplewindow.h (For use with gtkmm 3, not gtkmm 2)
#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_info_clicked(); void on_button_question_clicked(); //Child widgets: Gtk::VButtonBox m_ButtonBox; Gtk::Button m_Button_Info, m_Button_Question; }; #endif //GTKMM_EXAMPLEWINDOW_H
File: examplewindow.cc (For use with gtkmm 3, not gtkmm 2)
#include "examplewindow.h" #include <gtkmm/messagedialog.h> #include <iostream> ExampleWindow::ExampleWindow() : m_Button_Info("Show Info MessageDialog"), m_Button_Question("Show Question MessageDialog") { set_title("Gtk::MessageDialog example"); add(m_ButtonBox); m_ButtonBox.pack_start(m_Button_Info); m_Button_Info.signal_clicked().connect(sigc::mem_fun(*this, &ExampleWindow::on_button_info_clicked) ); m_ButtonBox.pack_start(m_Button_Question); m_Button_Question.signal_clicked().connect(sigc::mem_fun(*this, &ExampleWindow::on_button_question_clicked) ); show_all_children(); } ExampleWindow::~ExampleWindow() { } void ExampleWindow::on_button_info_clicked() { Gtk::MessageDialog dialog(*this, "This is an INFO MessageDialog"); dialog.set_secondary_text( "And this is the secondary text that explains things."); dialog.run(); } void ExampleWindow::on_button_question_clicked() { Gtk::MessageDialog dialog(*this, "This is a QUESTION MessageDialog", false /* use_markup */, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_OK_CANCEL); dialog.set_secondary_text( "And this is the secondary text that explains things."); int result = dialog.run(); //Handle the response: switch(result) { case(Gtk::RESPONSE_OK): { std::cout << "OK clicked." << 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 (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; }