#include <gtk/gtk.h>

static void cut_clicked (GtkButton*, GtkTextView*);
static void copy_clicked (GtkButton*, GtkTextView*);
static void paste_clicked (GtkButton*, GtkTextView*);

int main (int argc,
          char *argv[])
{
  GtkWidget *window, *scrolled_win, *textview, *cut, *copy, *paste, *hbox, *vbox;
  
  gtk_init (&argc, &argv);
  
  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_window_set_title (GTK_WINDOW (window), "Cut, Copy & Paste");
  gtk_container_set_border_width (GTK_CONTAINER (window), 10);
  
  g_signal_connect (G_OBJECT (window), "destroy",
                    G_CALLBACK (gtk_main_quit), NULL);
  
  textview = gtk_text_view_new ();
  cut = gtk_button_new_from_stock (GTK_STOCK_CUT);
  copy = gtk_button_new_from_stock (GTK_STOCK_COPY);
  paste = gtk_button_new_from_stock (GTK_STOCK_PASTE);
  
  g_signal_connect (G_OBJECT (cut), "clicked",
                    G_CALLBACK (cut_clicked), 
                    (gpointer) textview);
  g_signal_connect (G_OBJECT (copy), "clicked",
                    G_CALLBACK (copy_clicked), 
                    (gpointer) textview);
  g_signal_connect (G_OBJECT (paste), "clicked",
                    G_CALLBACK (paste_clicked), 
                    (gpointer) textview);
  
  scrolled_win = gtk_scrolled_window_new (NULL, NULL);
  gtk_widget_set_size_request (scrolled_win, 300, 200);
  gtk_container_add (GTK_CONTAINER (scrolled_win), textview);
  
  hbox = gtk_hbox_new (TRUE, 5);
  gtk_box_pack_start (GTK_BOX (hbox), cut, TRUE, TRUE, 0);
  gtk_box_pack_start (GTK_BOX (hbox), copy, TRUE, TRUE, 0);
  gtk_box_pack_start (GTK_BOX (hbox), paste, TRUE, TRUE, 0);
  
  vbox = gtk_vbox_new (FALSE, 5);
  gtk_box_pack_start (GTK_BOX (vbox), scrolled_win, TRUE, TRUE, 0);
  gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
  
  gtk_container_add (GTK_CONTAINER (window), vbox);
  gtk_widget_show_all (window);
  
  gtk_main();
  return 0;
}

/* Copy the selected text to the clipboard and remove it from the buffer. */
static void 
cut_clicked (GtkButton *cut, 
             GtkTextView *textview)
{
  GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
  GtkTextBuffer *buffer = gtk_text_view_get_buffer (textview);
  
  gtk_text_buffer_cut_clipboard (buffer, clipboard, TRUE);
}

/* Copy the selected text to the clipboard. */
static void 
copy_clicked (GtkButton *copy, 
              GtkTextView *textview)
{
  GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
  GtkTextBuffer *buffer = gtk_text_view_get_buffer (textview);
  
  gtk_text_buffer_copy_clipboard (buffer, clipboard);
}

/* Insert the text from the clipboard into the text buffer. */
static void 
paste_clicked (GtkButton *paste, 
               GtkTextView *textview)
{
  GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
  GtkTextBuffer *buffer = gtk_text_view_get_buffer (textview);
  
  gtk_text_buffer_paste_clipboard (buffer, clipboard, NULL, TRUE);
}