#include <config.h>

#include "notebookbox.h"



#define GTK_NOTEBOOK_BOX_GET_PRIVATE(obj)  G_TYPE_INSTANCE_GET_PRIVATE((obj), GTK_TYPE_NOTEBOOK_BOX, GtkNotebookBoxPrivate)

static void gtk_notebook_box_class_init    (GtkNotebookBoxClass *klass);
static void gtk_notebook_box_init          (GtkNotebookBox      *event_box);
static void gtk_notebook_box_realize       (GtkWidget        *widget);
static void gtk_notebook_box_unrealize     (GtkWidget        *widget);
static void gtk_notebook_box_map           (GtkWidget        *widget);
static void gtk_notebook_box_unmap         (GtkWidget        *widget);
static void gtk_notebook_box_size_request  (GtkWidget        *widget,
					 GtkRequisition   *requisition);
static void gtk_notebook_box_size_allocate (GtkWidget        *widget,
					 GtkAllocation    *allocation);
static void gtk_notebook_box_paint         (GtkWidget        *widget,
					 GdkRectangle     *area);
static gint gtk_notebook_box_expose        (GtkWidget        *widget,
					 GdkEventExpose   *event);


static GtkEventBoxClass *parent_class = NULL;

typedef struct 
{
  GdkWindow *event_window;
} GtkNotebookBoxPrivate;

GType
gtk_notebook_box_get_type (void)
{
  static GType notebook_box_type = 0;

  if (!notebook_box_type)
    {
      static const GTypeInfo notebook_box_info =
      {
	sizeof (GtkNotebookBoxClass),
	NULL,		/* base_init */
	NULL,		/* base_finalize */
	(GClassInitFunc) gtk_notebook_box_class_init,
	NULL,		/* class_finalize */
	NULL,		/* class_data */
	sizeof (GtkNotebookBox),
	0,		/* n_preallocs */
	(GInstanceInitFunc) gtk_notebook_box_init,
      };

      notebook_box_type = g_type_register_static (GTK_TYPE_BIN, "GtkNotebookBox",
					       &notebook_box_info, 0);
    }

  return notebook_box_type;
}

static void
gtk_notebook_box_class_init (GtkNotebookBoxClass *class)
{
  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);

  parent_class = g_type_class_peek_parent (class);

  widget_class->realize = gtk_notebook_box_realize;
  widget_class->unrealize = gtk_notebook_box_unrealize;
  widget_class->map = gtk_notebook_box_map;
  widget_class->unmap = gtk_notebook_box_unmap;
  widget_class->size_request = gtk_notebook_box_size_request;
  widget_class->size_allocate = gtk_notebook_box_size_allocate;
  widget_class->expose_event = gtk_notebook_box_expose;
	
  g_type_class_add_private (class, sizeof (GtkNotebookBoxPrivate));
}

static void
gtk_notebook_box_init (GtkNotebookBox *event_box)
{
	GTK_WIDGET_UNSET_FLAGS (event_box, GTK_NO_WINDOW);	
}

GtkWidget*
gtk_notebook_box_new (void)
{
  return g_object_new (GTK_TYPE_NOTEBOOK_BOX, NULL);
}




static void
gtk_notebook_box_realize (GtkWidget *widget)
{
  GdkWindowAttr attributes;
  gint attributes_mask;
  gint border_width;
  GtkNotebookBoxPrivate *priv;
  gboolean visible_window;

  GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);

  border_width = GTK_CONTAINER (widget)->border_width;
  
  attributes.x = widget->allocation.x + border_width;
  attributes.y = widget->allocation.y + border_width;
  attributes.width = widget->allocation.width - 2*border_width;
  attributes.height = widget->allocation.height - 2*border_width;
  attributes.window_type = GDK_WINDOW_CHILD;
  attributes.event_mask = gtk_widget_get_events (widget)
			| GDK_BUTTON_MOTION_MASK
			| GDK_BUTTON_PRESS_MASK
			| GDK_BUTTON_RELEASE_MASK
			| GDK_EXPOSURE_MASK
			| GDK_ENTER_NOTIFY_MASK
			| GDK_LEAVE_NOTIFY_MASK;

  priv = GTK_NOTEBOOK_BOX_GET_PRIVATE (widget);

  visible_window = !GTK_WIDGET_NO_WINDOW (widget);
 
 attributes.visual = gtk_widget_get_visual (widget);
    attributes.colormap = gtk_widget_get_colormap (widget);
    attributes.wclass = GDK_INPUT_OUTPUT;
      
    attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
      
    widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
			       &attributes, attributes_mask);
    gdk_window_set_user_data (widget->window, widget);

  widget->style = gtk_style_attach (widget->style, widget->window);
  
//  if (visible_window)
//    gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
}

static void
gtk_notebook_box_unrealize (GtkWidget *widget)
{
  GtkNotebookBox *event_box;
  GtkNotebookBoxPrivate *priv;
  
  event_box = GTK_NOTEBOOK_BOX (widget);
  priv = GTK_NOTEBOOK_BOX_GET_PRIVATE (widget);
  
  if (priv->event_window != NULL)
    {
      gdk_window_set_user_data (priv->event_window, NULL);
      gdk_window_destroy (priv->event_window);
      priv->event_window = NULL;
    }

  if (GTK_WIDGET_CLASS (parent_class)->unrealize)
    (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
}

static void
gtk_notebook_box_map (GtkWidget *widget)
{
  GtkNotebookBoxPrivate *priv;

  priv = GTK_NOTEBOOK_BOX_GET_PRIVATE (widget);

  if (priv->event_window != NULL)
    gdk_window_show (priv->event_window);
  
  (* GTK_WIDGET_CLASS (parent_class)->map) (widget);
}

static void
gtk_notebook_box_unmap (GtkWidget *widget)
{
  GtkNotebookBoxPrivate *priv;

  priv = GTK_NOTEBOOK_BOX_GET_PRIVATE (widget);

  if (priv->event_window != NULL)
    gdk_window_hide (priv->event_window);
  
  (* GTK_WIDGET_CLASS (parent_class)->unmap) (widget);
}



static void
gtk_notebook_box_size_request (GtkWidget      *widget,
			    GtkRequisition *requisition)
{
  GtkBin *bin = GTK_BIN (widget);

  requisition->width = GTK_CONTAINER (widget)->border_width * 2;
  requisition->height = GTK_CONTAINER (widget)->border_width * 2;

  if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
    {
      GtkRequisition child_requisition;
      
      gtk_widget_size_request (bin->child, &child_requisition);

      requisition->width += child_requisition.width;
      requisition->height += child_requisition.height;
    }
}

static void
gtk_notebook_box_size_allocate (GtkWidget     *widget,
			     GtkAllocation *allocation)
{
  GtkBin *bin;
  GtkAllocation child_allocation;
  GtkNotebookBoxPrivate *priv;
  
  widget->allocation = *allocation;
  bin = GTK_BIN (widget);
  
  if (GTK_WIDGET_NO_WINDOW (widget))
    {
      child_allocation.x = allocation->x + GTK_CONTAINER (widget)->border_width;
      child_allocation.y = allocation->y + GTK_CONTAINER (widget)->border_width;
    }
  else
    {
      child_allocation.x = 0;
      child_allocation.y = 0;
    }
  child_allocation.width = MAX (allocation->width - GTK_CONTAINER (widget)->border_width * 2, 0);
  child_allocation.height = MAX (allocation->height - GTK_CONTAINER (widget)->border_width * 2, 0);

  if (GTK_WIDGET_REALIZED (widget))
    {
      priv = GTK_NOTEBOOK_BOX_GET_PRIVATE (widget);

      if (priv->event_window != NULL)
	gdk_window_move_resize (priv->event_window,
				child_allocation.x,
				child_allocation.y,
				child_allocation.width,
				child_allocation.height);
      
      if (!GTK_WIDGET_NO_WINDOW (widget))
	gdk_window_move_resize (widget->window,
				allocation->x + GTK_CONTAINER (widget)->border_width,
				allocation->y + GTK_CONTAINER (widget)->border_width,
				child_allocation.width,
				child_allocation.height);
    }
  
  if (bin->child)
    gtk_widget_size_allocate (bin->child, &child_allocation);
}

static void
gtk_notebook_box_paint (GtkWidget    *widget,
		     GdkRectangle *area)
{
  gint width, height;
  gint x, y;
  gint border_width = GTK_CONTAINER (widget)->border_width;
	
  if (!GTK_WIDGET_APP_PAINTABLE (widget))
  {
  x = widget->allocation.x;
  y = widget->allocation.y;
  width = widget->allocation.width /2;
  height = widget->allocation.height /2;
	  
	printf("X: %d, Y: %d, W: %d, H: %d\n", x, y, width, height);
	  
	        gtk_paint_box(widget->style, widget->window,
		     GTK_STATE_NORMAL, GTK_SHADOW_OUT,
		     area, widget, "notebook",
		     x, y, width, height);
	  
  /*  gtk_paint_flat_box (widget->style, widget->window,
			widget->state, GTK_SHADOW_NONE,
			area, widget, "eventbox",
			0, 0, -1, -1);*/
  }
}

static gint
gtk_notebook_box_expose (GtkWidget      *widget,
		     GdkEventExpose *event)
{
  if (GTK_WIDGET_DRAWABLE (widget))
    {
      if (!GTK_WIDGET_NO_WINDOW (widget))
	gtk_notebook_box_paint (widget, &event->area);
      
      (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
    }

  return FALSE;
}