GtkWidget *
create_glarea_window (GtkWidget *do_widget)
{
GtkWidget *window, *box, *button, *controls;
int i;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_display (GTK_WINDOW (window), gtk_widget_get_display (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "OpenGL Area");
gtk_window_set_default_size (GTK_WINDOW (window), 400, 600);
g_signal_connect (window, "destroy", G_CALLBACK (close_window), NULL);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE);
g_object_set (box, "margin", 12, NULL);
gtk_box_set_spacing (GTK_BOX (box), 6);
gtk_container_add (GTK_CONTAINER (window), box);
gl_area = gtk_gl_area_new ();
gtk_widget_set_hexpand (gl_area, TRUE);
gtk_widget_set_vexpand (gl_area, TRUE);
gtk_container_add (GTK_CONTAINER (box), gl_area);
/* We need to initialize and free GL resources, so we use
* the realize and unrealize signals on the widget
*/
g_signal_connect (gl_area, "realize", G_CALLBACK (realize), NULL);
g_signal_connect (gl_area, "unrealize", G_CALLBACK (unrealize), NULL);
/* The main "draw" call for GtkGLArea */
g_signal_connect (gl_area, "render", G_CALLBACK (render), NULL);
controls = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE);
gtk_container_add (GTK_CONTAINER (box), controls);
gtk_widget_set_hexpand (controls, TRUE);
for (i = 0; i < N_AXIS; i++)
gtk_container_add (GTK_CONTAINER (controls), create_axis_slider (i));
button = gtk_button_new_with_label ("Quit");
gtk_widget_set_hexpand (button, TRUE);
gtk_container_add (GTK_CONTAINER (box), button);
g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), window);
return window;
}
GtkWidget *
create_glarea_window (GtkWidget *do_widget)
{
GtkWidget *window, *box, *button, *controls;
int i;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_screen (GTK_WINDOW (window), gtk_widget_get_screen (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "GtkGLArea - Golden Triangle");
gtk_window_set_default_size (GTK_WINDOW (window), 400, 400);
gtk_container_set_border_width (GTK_CONTAINER (window), 12);
g_signal_connect (window, "destroy", G_CALLBACK (close_window), NULL);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE);
gtk_box_set_spacing (GTK_BOX (box), 6);
gtk_container_add (GTK_CONTAINER (window), box);
gl_area = gtk_gl_area_new ();
gtk_widget_set_hexpand (gl_area, TRUE);
gtk_widget_set_vexpand (gl_area, TRUE);
gtk_container_add (GTK_CONTAINER (box), gl_area);
/* the main "draw" call for GtkGLArea */
g_signal_connect (gl_area, "render", G_CALLBACK (render), NULL);
controls = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE);
gtk_container_add (GTK_CONTAINER (box), controls);
gtk_widget_set_hexpand (controls, TRUE);
for (i = 0; i < N_AXIS; i++)
gtk_container_add (GTK_CONTAINER (controls), create_axis_slider (i));
button = gtk_button_new_with_label ("Quit");
gtk_widget_set_hexpand (button, TRUE);
gtk_container_add (GTK_CONTAINER (box), button);
g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), window);
return window;
}
int
main (int argc, char *argv[])
{
GtkWidget *window, *box, *hbox, *button, *spinner, *check,
*fps_label, *gears, *extra_hbox, *bbox, *overlay,
*revealer, *frame, *label, *scrolled;
int i;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "GdkGears");
gtk_window_set_default_size (GTK_WINDOW (window), 640, 640);
gtk_container_set_border_width (GTK_CONTAINER (window), 12);
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
overlay = gtk_overlay_new ();
gtk_container_add (GTK_CONTAINER (window), overlay);
gtk_widget_show (overlay);
revealer = gtk_revealer_new ();
gtk_widget_set_halign (revealer, GTK_ALIGN_END);
gtk_widget_set_valign (revealer, GTK_ALIGN_START);
gtk_overlay_add_overlay (GTK_OVERLAY (overlay),
revealer);
gtk_widget_show (revealer);
frame = gtk_frame_new (NULL);
gtk_style_context_add_class (gtk_widget_get_style_context (frame),
"app-notification");
gtk_container_add (GTK_CONTAINER (revealer), frame);
gtk_widget_show (frame);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE);
gtk_box_set_spacing (GTK_BOX (hbox), 6);
gtk_container_add (GTK_CONTAINER (frame), hbox);
gtk_widget_show (hbox);
label = gtk_label_new ("This is a transparent overlay widget!!!!\nAmazing, eh?");
gtk_container_add (GTK_CONTAINER (hbox), label);
gtk_widget_show (label);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, FALSE);
gtk_box_set_spacing (GTK_BOX (box), 6);
gtk_container_add (GTK_CONTAINER (overlay), box);
gtk_widget_show (box);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE);
gtk_box_set_spacing (GTK_BOX (box), 6);
gtk_container_add (GTK_CONTAINER (box), hbox);
gtk_widget_show (hbox);
gears = gtk_gears_new ();
gtk_widget_set_hexpand (gears, TRUE);
gtk_widget_set_vexpand (gears, TRUE);
gtk_container_add (GTK_CONTAINER (hbox), gears);
gtk_widget_show (gears);
for (i = 0; i < GTK_GEARS_N_AXIS; i++)
gtk_container_add (GTK_CONTAINER (hbox), create_axis_slider (GTK_GEARS (gears), i));
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE);
gtk_box_set_spacing (GTK_BOX (hbox), 6);
gtk_container_add (GTK_CONTAINER (box), hbox);
gtk_widget_show (hbox);
fps_label = gtk_label_new ("");
gtk_container_add (GTK_CONTAINER (hbox), fps_label);
gtk_widget_show (fps_label);
gtk_gears_set_fps_label (GTK_GEARS (gears), GTK_LABEL (fps_label));
spinner = gtk_spinner_new ();
gtk_box_pack_end (GTK_BOX (hbox), spinner, FALSE, FALSE, 0);
gtk_widget_show (spinner);
gtk_spinner_start (GTK_SPINNER (spinner));
check = gtk_check_button_new_with_label ("Animate spinner");
gtk_box_pack_end (GTK_BOX (hbox), check, FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), TRUE);
gtk_widget_show (check);
g_signal_connect (check, "toggled",
G_CALLBACK (toggle_spin), spinner);
check = gtk_check_button_new_with_label ("Alpha");
gtk_box_pack_end (GTK_BOX (hbox), check, FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), FALSE);
gtk_widget_show (check);
g_signal_connect (check, "toggled",
G_CALLBACK (toggle_alpha), gears);
check = gtk_check_button_new_with_label ("Overlay");
gtk_box_pack_end (GTK_BOX (hbox), check, FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), FALSE);
gtk_widget_show (check);
g_signal_connect (check, "toggled",
G_CALLBACK (toggle_overlay), revealer);
scrolled = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_NEVER);
gtk_container_add (GTK_CONTAINER (box), scrolled);
gtk_widget_show (scrolled);
extra_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, FALSE);
gtk_box_set_spacing (GTK_BOX (extra_hbox), 6);
gtk_container_add (GTK_CONTAINER (scrolled), extra_hbox);
gtk_widget_show (extra_hbox);
bbox = gtk_button_box_new (GTK_ORIENTATION_HORIZONTAL);
gtk_box_set_spacing (GTK_BOX (bbox), 6);
gtk_container_add (GTK_CONTAINER (box), bbox);
gtk_widget_show (bbox);
button = gtk_button_new_with_label ("Moar gears!");
gtk_widget_set_hexpand (button, TRUE);
gtk_container_add (GTK_CONTAINER (bbox), button);
g_signal_connect (button, "clicked", G_CALLBACK (moar_gears), extra_hbox);
gtk_widget_show (button);
button = gtk_button_new_with_label ("Quit");
gtk_widget_set_hexpand (button, TRUE);
gtk_container_add (GTK_CONTAINER (bbox), button);
g_signal_connect_swapped (button, "clicked", G_CALLBACK (gtk_widget_destroy), window);
gtk_widget_show (button);
gtk_widget_show (window);
gtk_main ();
return EXIT_SUCCESS;
}
