Beispiele
- 11.3.1. Einfaches Beispiel
11.3.1. Einfaches Beispiel
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: 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::ButtonBox m_ButtonBox; Gtk::Button m_Button_Quit, m_Button_Buffer1, m_Button_Buffer2; }; #endif //GTKMM_EXAMPLEWINDOW_H
File: examplewindow.cc (For use with gtkmm 3, not gtkmm 2)
#include "examplewindow.h" ExampleWindow::ExampleWindow() : m_VBox(Gtk::ORIENTATION_VERTICAL), m_Button_Quit(Gtk::Stock::QUIT), m_Button_Buffer1("Use buffer 1"), m_Button_Buffer2("Use buffer 2") { set_title("Gtk::TextView example"); set_border_width(5); set_default_size(400, 200); add(m_VBox); //Add the TreeView, inside a ScrolledWindow, with the button underneath: m_ScrolledWindow.add(m_TextView); //Only show the scrollbars when they are necessary: m_ScrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC); m_VBox.pack_start(m_ScrolledWindow); //Add buttons: m_VBox.pack_start(m_ButtonBox, Gtk::PACK_SHRINK); m_ButtonBox.pack_start(m_Button_Buffer1, Gtk::PACK_SHRINK); m_ButtonBox.pack_start(m_Button_Buffer2, Gtk::PACK_SHRINK); m_ButtonBox.pack_start(m_Button_Quit, Gtk::PACK_SHRINK); m_ButtonBox.set_border_width(5); m_ButtonBox.set_spacing(5); m_ButtonBox.set_layout(Gtk::BUTTONBOX_END); //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(); show_all_children(); } 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); }
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; }