#ifndef GTK_TEXT_TAG_H
#define GTK_TEXT_TAG_H

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#include <gtk/gtkobject.h>
#include <gdk/gdk.h>

typedef struct _GtkTextIter GtkTextIter;
typedef struct _GtkTextBTreeNode GtkTextBTreeNode;
typedef struct _GtkTextTagTable GtkTextTagTable;
typedef struct _GtkTextTabArray GtkTextTabArray;

typedef enum {
  GTK_WRAPMODE_NONE,
  GTK_WRAPMODE_CHAR,
  GTK_WRAPMODE_WORD
} GtkWrapMode;

typedef struct _GtkTextStyleValues GtkTextStyleValues;

#define GTK_TYPE_TEXT_TAG            (gtk_text_tag_get_type())
#define GTK_TEXT_TAG(obj)            (GTK_CHECK_CAST ((obj), GTK_TYPE_TEXT_TAG, GtkTextTag))
#define GTK_TEXT_TAG_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_TEXT_TAG, GtkTextTagClass))
#define GTK_IS_TEXT_TAG(obj)         (GTK_CHECK_TYPE ((obj), GTK_TYPE_TEXT_TAG))
#define GTK_IS_TEXT_TAG_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TEXT_TAG))
#define GTK_TEXT_TAG_GET_CLASS(obj)  (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_TEXT_TAG, GtkTextTagClass))

typedef struct _GtkTextTag GtkTextTag;
typedef struct _GtkTextTagClass GtkTextTagClass;

struct _GtkTextTag {
  GtkObject parent_instance;

  GtkTextTagTable *table;
  
  char *name;			/* Name of this tag.  This field is actually
				 * a pointer to the key from the entry in
				 * tkxt->tagTable, so it needn't be freed
				 * explicitly. */
  int priority;		/* Priority of this tag within widget.  0
                         * means lowest priority.  Exactly one tag
                         * has each integer value between 0 and
                         * numTags-1. */
  /*
   * Information for displaying text with this tag.  The information
   * belows acts as an override on information specified by lower-priority
   * tags.  If no value is specified, then the next-lower-priority tag
   * on the text determins the value.  The text widget itself provides
   * defaults if no tag specifies an override.
   */

  GtkTextStyleValues *values;  
  
  /*
    Flags for whether a given value is set; if a value is unset, then
    this tag does not affect it.  */
  guint bg_color_set : 1;
  guint border_width_set : 1;
  guint relief_set : 1;
  guint bg_stipple_set : 1;
  guint fg_color_set : 1;
  guint font_set : 1;
  guint fg_stipple_set : 1;
  guint justify_set : 1;
  guint left_margin_set : 1;
  guint left_wrapped_line_margin_set : 1;
  guint offset_set : 1;
  guint overstrike_set : 1;
  guint right_margin_set : 1;
  guint pixels_above_lines_set : 1;
  guint pixels_below_lines_set : 1;
  guint pixels_inside_wrap_set : 1;
  guint tab_array_set : 1;
  guint underline_set : 1;
  guint wrap_mode_set : 1;
  guint bg_full_height_set : 1;
  guint elide_set : 1;
  guint editable_set : 1;
  guint language_set : 1;
  guint pad1 : 1;
  guint pad2 : 1;
  guint pad3 : 1;
};

struct _GtkTextTagClass {
  GtkObjectClass parent_class;

  gint (* event) (GtkTextTag *tag,
                  GtkObject *event_object,         /* widget, canvas item, whatever */
                  GdkEvent *event,                 /* the event itself */
                  const GtkTextIter *iter);        /* location of event in buffer */
};

GtkType      gtk_text_tag_get_type     (void);
GtkTextTag  *gtk_text_tag_new          (const gchar       *name);
void         gtk_text_tag_set_priority (GtkTextTag        *tag,
					gint               priority);
gint         gtk_text_tag_event        (GtkTextTag        *tag,
					GtkObject         *event_object,
					GdkEvent          *event,
					const GtkTextIter *iter);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif