Stuff

#include <gtk/gtk.h>
#include <glade/glade.h>
#include <string>
#include <iostream>

using namespace std;

void submit_button_clicked (GtkWidget *widget, gpointer user_data)
{
  GtkEntry* edit = (GtkEntry*)glade_xml_get_widget((GladeXML*)user_data, "message_entry");
  string str = string(gtk_entry_get_text(edit));
  
  GtkTextView* log = (GtkTextView*)glade_xml_get_widget((GladeXML*)user_data, "log_textview");
  GtkTextBuffer* text = gtk_text_view_get_buffer(log);
  gtk_text_buffer_insert_at_cursor(text, (str + "\n").c_str(), -1);
  
  gtk_entry_set_text(edit, "");
}

int main (int argc, char *argv[])
{
  GladeXML  *main_window;

  gtk_init (&argc, &argv);

  main_window = glade_xml_new ("yann.glade", NULL, NULL);

  GtkWidget* widget = glade_xml_get_widget (main_window, "submit_button");
  g_signal_connect (G_OBJECT (widget), "clicked",
                    G_CALLBACK (submit_button_clicked),
                    main_window);

  widget = glade_xml_get_widget (main_window, "main_window");
  g_signal_connect (G_OBJECT (widget), "delete_event",
                    G_CALLBACK (gtk_main_quit), NULL);

  gtk_main ();

  return 0;
}