GTK/ Eingabefelder

 #include <gtk/gtk.h>

 int handlerfunktion(GtkButton *button, gpointer user_data)

 {

     GtkWidget *dialog;

     dialog = gtk_message_dialog_new(

         NULL,

         GTK_DIALOG_DESTROY_WITH_PARENT,

         GTK_MESSAGE_WARNING,

         GTK_BUTTONS_CLOSE,

         "Aua! ... jedenfalls hast du gesagt: %s",

         gtk_entry_get_text(GTK_ENTRY(user_data)),

         NULL);

     gtk_dialog_run(GTK_DIALOG(dialog));

     gtk_widget_destroy(dialog);

 }

 int main(int argc, char *argv[])

 {

     GtkWidget *window, *box, *knopf, *feld;

     gtk_init(&argc, &argv);

     window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

     gtk_window_set_title(GTK_WINDOW(window), "Huhu");

     g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(gtk_main_quit), NULL);

     box = gtk_hbox_new(false, 10);

     feld = gtk_entry_new();

     knopf = gtk_button_new_with_label("OK");

     g_signal_connect(G_OBJECT(knopf), "clicked", G_CALLBACK(handlerfunktion), feld);

     gtk_box_pack_start(GTK_BOX(box), feld, false, false, 0);

     gtk_box_pack_start(GTK_BOX(box), knopf, false, false, 0);

     gtk_container_add(GTK_CONTAINER(window), box);

     gtk_widget_show_all(window);

     gtk_main();

 }