XVisualInfo *xvinfo = glXChooseVisual(xdisplay, nscreen, attribs);
GLXContext context = glXCreateContext(xdisplay, xvinfo, 0, True);
XVisualInfo *xvinfo = glXChooseVisual(xdisplay, nscreen, attribs);
GLXContext context = glXCreateContext(xdisplay, xvinfo, 0, True);
+ /* Fix up visual/colormap */
+#if GTK_CHECK_VERSION(3,0,0)
+ GdkVisual *visual = gdk_x11_screen_lookup_visual(screen, xvinfo->visualid);
+ gtk_widget_set_visual(widget, visual);
+#else
GdkVisual *visual = gdk_x11_screen_lookup_visual(screen, xvinfo->visualid);
GdkColormap *cmap = gdk_colormap_new(visual, FALSE);
gtk_widget_set_colormap(widget, cmap);
GdkVisual *visual = gdk_x11_screen_lookup_visual(screen, xvinfo->visualid);
GdkColormap *cmap = gdk_colormap_new(visual, FALSE);
gtk_widget_set_colormap(widget, cmap);
/* Disable GTK double buffering */
gtk_widget_set_double_buffered(widget, FALSE);
/* Disable GTK double buffering */
gtk_widget_set_double_buffered(widget, FALSE);
{
gtk_init_check(&argc, &argv);
GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
{
gtk_init_check(&argc, &argv);
GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
GtkWidget *draw = gtk_drawing_area_new();
GtkWidget *label = gtk_label_new("Hello, World");
GtkWidget *button = gtk_button_new_with_label("Hello, World");
GtkWidget *draw = gtk_drawing_area_new();
GtkWidget *label = gtk_label_new("Hello, World");
GtkWidget *button = gtk_button_new_with_label("Hello, World");
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
g_signal_connect(window, "key-press-event", G_CALLBACK(key_press), NULL);
//g_signal_connect(draw, "configure-event", G_CALLBACK(configure), data);
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
g_signal_connect(window, "key-press-event", G_CALLBACK(key_press), NULL);
//g_signal_connect(draw, "configure-event", G_CALLBACK(configure), data);
g_signal_connect(draw, "expose-event", G_CALLBACK(expose), data);
g_signal_connect(draw, "expose-event", G_CALLBACK(expose), data);
gtk_widget_set_size_request(draw, 300, 300);
gtk_widget_set_size_request(button, -1, 50);
gtk_box_pack_start(GTK_BOX(box), label, FALSE, TRUE, 0);
gtk_widget_set_size_request(draw, 300, 300);
gtk_widget_set_size_request(button, -1, 50);
gtk_box_pack_start(GTK_BOX(box), label, FALSE, TRUE, 0);