example-1.c (1208B)
1 #include <gtk/gtk.h> 2 3 static void 4 print_hello (GtkWidget *widget, 5 gpointer data) 6 { 7 g_print ("Hello World\n"); 8 } 9 10 static void 11 activate (GtkApplication *app, 12 gpointer user_data) 13 { 14 GtkWidget *window; 15 GtkWidget *button; 16 GtkWidget *button_box; 17 18 window = gtk_application_window_new (app); 19 gtk_window_set_title (GTK_WINDOW (window), "Window"); 20 gtk_window_set_default_size (GTK_WINDOW (window), 200, 200); 21 22 button_box = gtk_button_box_new (GTK_ORIENTATION_HORIZONTAL); 23 gtk_container_add (GTK_CONTAINER (window), button_box); 24 25 button = gtk_button_new_with_label ("Hello World"); 26 g_signal_connect (button, "clicked", G_CALLBACK (print_hello), NULL); 27 g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), window); 28 gtk_container_add (GTK_CONTAINER (button_box), button); 29 30 gtk_widget_show_all (window); 31 } 32 33 int 34 main (int argc, 35 char **argv) 36 { 37 GtkApplication *app; 38 int status; 39 40 app = gtk_application_new ("org.gtk.example", G_APPLICATION_FLAGS_NONE); 41 g_signal_connect (app, "activate", G_CALLBACK (activate), NULL); 42 status = g_application_run (G_APPLICATION (app), argc, argv); 43 g_object_unref (app); 44 45 return status; 46 }