#ifndef XWIDGET_H_INCLUDED
#define XWIDGET_H_INCLUDED

void x_draw_xwidget_glyph_string (struct glyph_string *s);
void syms_of_xwidget ();

//extern Lisp_Object Qxwidget;


int valid_xwidget_spec_p (Lisp_Object object) ;

#include <gtk/gtk.h>


/*
each xwidget instance/model is described by this struct.

lisp pseudovector.


 */
struct xwidget{
  struct vectorlike_header header;
  Lisp_Object plist;//auxilliary data
  Lisp_Object type;//the widget type
  Lisp_Object buffer; //buffer where xwidget lives
  Lisp_Object title;//a title that is used for button labels for instance

  //here ends the lisp part.
  //"height" is the marker field
  int height;
  int width;

  //for offscreen widgets, unused if not osr
  GtkWidget* widget_osr;
  GtkWidget* widgetwindow_osr;
  //this is used if the widget (webkit) is to be wrapped in a scrolled window,
  GtkWidget* widgetscrolledwindow_osr;
  /* Non-nil means kill silently if Emacs is exited. */
  unsigned int kill_without_query : 1;

};


//struct for each xwidget view
struct xwidget_view {
  struct vectorlike_header header;
  Lisp_Object model;
  Lisp_Object w;

  //here ends the lisp part.
  //"redisplayed" is the marker field
  int redisplayed; //if touched by redisplay

  int hidden;//if the "live" instance isnt drawn

  GtkWidget* widget;
  GtkWidget* widgetwindow;
  GtkWidget* emacswindow;
  int x; int y;
  int clip_right; int clip_bottom; int clip_top; int clip_left;


  long handler_id;
};

/* Test for xwidget pseudovector*/
#define XWIDGETP(x) PSEUDOVECTORP (x, PVEC_XWIDGET)
#define XXWIDGET(a) (eassert (XWIDGETP(a)), \
                     (struct xwidget *) XUNTAG(a, Lisp_Vectorlike))

#define CHECK_XWIDGET(x) \
  CHECK_TYPE (XWIDGETP (x), Qxwidgetp, x)

/* Test for xwidget_view pseudovector */
#define XWIDGET_VIEW_P(x) PSEUDOVECTORP (x, PVEC_XWIDGET_VIEW)
#define XXWIDGET_VIEW(a) (eassert (XWIDGET_VIEW_P(a)), \
                          (struct xwidget_view *) XUNTAG(a, Lisp_Vectorlike))

#define CHECK_XWIDGET_VIEW(x) \
  CHECK_TYPE (XWIDGET_VIEW_P (x), Qxwidget_view_p, x)

struct xwidget_type
{
  /* A symbol uniquely identifying the xwidget type, */
  Lisp_Object *type;

  /* Check that SPEC is a valid image specification for the given
     image type.  Value is non-zero if SPEC is valid.  */
  int (* valid_p) (Lisp_Object spec);

  /* Next in list of all supported image types.  */
  struct xwidget_type *next;
};

static struct xwidget_type *lookup_xwidget_type (Lisp_Object symbol);

struct xwidget* xwidget_from_id(int id);

//extern int xwidget_owns_kbd;

void xwidget_start_redisplay();
void xwidget_end_redisplay (struct window *w, struct glyph_matrix *matrix);

void xwidget_touch (struct xwidget_view *xw);

//void assert_valid_xwidget_id(int id,char *str);

struct xwidget* lookup_xwidget (Lisp_Object  spec);
#define XG_XWIDGET "emacs_xwidget"
#define XG_XWIDGET_VIEW "emacs_xwidget_view"
void      xwidget_view_delete_all_in_window(  struct window *w );

void kill_buffer_xwidgets (Lisp_Object buffer);
#endif  /* XWIDGET_H_INCLUDED */