/* Stack Sidebar
 *
 * GtkStackSidebar provides an automatic sidebar widget to control
 * navigation of a GtkStack object. This widget automatically updates it
 * content based on what is presently available in the GtkStack object,
 * and using the "title" child property to set the display labels.
 */

#include <glib/gi18n.h>
#include <gtk/gtk.h>

GtkWidget *stack_example;
GtkWidget *example = NULL;

static void
change_child (GtkWidget *widget,
              gpointer   data)
{
    g_print ("Hello World\n");

    gtk_stack_set_visible_child(stack_example, example);
}


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

    GtkWidget *window = NULL;
    GtkWidget *sidebar;
    GtkWidget *stack;
    GtkWidget *box;
    GtkWidget *widget;
    GtkWidget *header;
    GtkWidget *button;

    const gchar* pages[] = {
        "Welcome to GTK+",
        "GtkStackSidebar Widget",
        "Automatic navigation",
        "Consistent appearance",
        "Scrolling",
        "Page 6",
        "Page 7",
        "Page 8",
        "Page 9",
        NULL
    };



    const gchar *c = NULL;
    guint i;

    gtk_init (&argc, &argv);
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
    gtk_widget_set_size_request (window, 500, 350);

    header = gtk_header_bar_new ();
    gtk_header_bar_set_show_close_button (GTK_HEADER_BAR(header), TRUE);
    gtk_window_set_titlebar (GTK_WINDOW(window), header);
    gtk_window_set_title (GTK_WINDOW(window), "Stack Sidebar");

    g_signal_connect (window, "destroy",
                      G_CALLBACK (gtk_widget_destroyed), &window);



    sidebar = gtk_stack_sidebar_new ();
    gtk_box_pack_start (GTK_BOX (box), sidebar, FALSE, FALSE, 0);



    box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);

    stack = gtk_stack_new ();
    stack_example = stack;
    gtk_stack_set_transition_type (GTK_STACK (stack), GTK_STACK_TRANSITION_TYPE_SLIDE_UP_DOWN);
    gtk_stack_sidebar_set_stack (GTK_STACK_SIDEBAR (sidebar), GTK_STACK (stack));

    /* Separator between sidebar and stack */
    widget = gtk_separator_new (GTK_ORIENTATION_VERTICAL);
    gtk_box_pack_start (GTK_BOX(box), widget, FALSE, FALSE, 0);

    gtk_box_pack_start (GTK_BOX (box), stack, TRUE, TRUE, 0);



    for (i=0; (c = *(pages+i)) != NULL; i++ )
    {
        if (i == 0)
        {
            widget = gtk_image_new_from_icon_name ("help-about", GTK_ICON_SIZE_MENU);
            gtk_image_set_pixel_size (GTK_IMAGE (widget), 256);
        }
        else
        {
            widget = gtk_label_new (c);
            if (i == 3)
                example = widget;
        }

        gtk_stack_add_named (GTK_STACK (stack), widget, c);
        gtk_container_child_set (GTK_CONTAINER (stack), widget, "title", c, NULL);
    }


    /* Creates a toggle button */
    button=gtk_button_new_with_label("Test button");
    g_signal_connect (button, "clicked",
                      G_CALLBACK (change_child), NULL);
    /* Add the button to window */
    gtk_container_add(GTK_BOX(box),button);
    gtk_widget_show(button);
    gtk_container_add (GTK_CONTAINER (window), box);



    /* make sure that everything, window and label, are visible */
    gtk_widget_show_all (window);

    gtk_widget_hide(sidebar);
    // gtk_stack_set_visible_child(stack, example);

    /* start the main loop, and let it rest there until the application is closed */
    gtk_main ();

    return 0;
}