4 #include <gdk/gdkkeysyms.h>
8 static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data);
9 static gboolean rotate(gpointer user_data);
11 static GtkWidget *rotate_button;
25 static float ang = 30.;
27 static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
29 GdkGLContext *glcontext = gtk_widget_get_gl_context (da);
30 GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (da);
35 glRotatef (ang, 1, 0, 1);
37 glShadeModel(GL_FLAT);
40 glColor3f (1., 0., 0.);
41 glVertex3f (0., 0., 0.);
42 glVertex3f (1., 0., 0.);
46 glColor3f (0., 1., 0.);
47 glVertex3f (0., 0., 0.);
48 glVertex3f (0., 1., 0.);
52 glColor3f (0., 0., 1.);
53 glVertex3f (0., 0., 0.);
54 glVertex3f (0., 0., 1.);
58 glColor3f (1., 1., 1.);
101 static gboolean rotate(gpointer user_data)
103 if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(rotate_button)))
106 GtkWidget *da = GTK_WIDGET (user_data);
110 gdk_window_invalidate_rect(da->window, &da->allocation, FALSE);
111 gdk_window_process_updates(da->window, FALSE);
116 gboolean cube_init(GtkDrawingArea *drawing, GtkNotebook *config)
118 /* Add configuration tab */
119 GtkWidget *label = gtk_label_new("Cube");
120 rotate_button = gtk_toggle_button_new_with_label("Rotate");
121 gtk_notebook_append_page(GTK_NOTEBOOK(config), rotate_button, label);
123 /* Set up OpenGL Stuff */
124 g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
125 g_timeout_add(1000/60, rotate, drawing);