Exemples
- XII.III.I. Un exemple simple
XII.III.I. Un exemple simple
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: void fill_buffers(); //Signal handlers: void on_button_quit(); void on_button_buffer1(); void on_button_buffer2(); //Child widgets: Gtk::Box m_VBox; Gtk::ScrolledWindow m_ScrolledWindow; Gtk::TextView m_TextView; Glib::RefPtr<Gtk::TextBuffer> m_refTextBuffer1, m_refTextBuffer2; Gtk::Box m_ButtonBox; Gtk::Button m_Button_Quit, m_Button_Buffer1, m_Button_Buffer2; }; #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" ExampleWindow::ExampleWindow() : m_VBox(Gtk::Orientation::VERTICAL), m_Button_Quit("_Quit", true), m_Button_Buffer1("Use buffer 1"), m_Button_Buffer2("Use buffer 2") { set_title("Gtk::TextView example"); set_default_size(400, 200); m_VBox.set_margin(5); set_child(m_VBox); //Add the TreeView, inside a ScrolledWindow, with the button underneath: m_ScrolledWindow.set_child(m_TextView); //Only show the scrollbars when they are necessary: m_ScrolledWindow.set_policy(Gtk::PolicyType::AUTOMATIC, Gtk::PolicyType::AUTOMATIC); m_ScrolledWindow.set_expand(); m_VBox.append(m_ScrolledWindow); //append buttons: m_VBox.append(m_ButtonBox); m_Button_Buffer1.set_hexpand(true); m_Button_Buffer1.set_halign(Gtk::Align::END); m_ButtonBox.append(m_Button_Buffer1); m_ButtonBox.append(m_Button_Buffer2); m_ButtonBox.append(m_Button_Quit); m_ButtonBox.set_margin(5); m_ButtonBox.set_spacing(5); //Connect signals: m_Button_Quit.signal_clicked().connect(sigc::mem_fun(*this, &ExampleWindow::on_button_quit) ); m_Button_Buffer1.signal_clicked().connect(sigc::mem_fun(*this, &ExampleWindow::on_button_buffer1) ); m_Button_Buffer2.signal_clicked().connect(sigc::mem_fun(*this, &ExampleWindow::on_button_buffer2) ); fill_buffers(); on_button_buffer1(); } void ExampleWindow::fill_buffers() { m_refTextBuffer1 = Gtk::TextBuffer::create(); m_refTextBuffer1->set_text("This is the text from TextBuffer #1."); m_refTextBuffer2 = Gtk::TextBuffer::create(); m_refTextBuffer2->set_text( "This is some alternative text, from TextBuffer #2."); } ExampleWindow::~ExampleWindow() { } void ExampleWindow::on_button_quit() { hide(); } void ExampleWindow::on_button_buffer1() { m_TextView.set_buffer(m_refTextBuffer1); } void ExampleWindow::on_button_buffer2() { m_TextView.set_buffer(m_refTextBuffer2); }