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/*
* tkZinc.h -- Header file for Tk zinc widget.
*
* Authors : Patrick Lecoanet.
* Creation date : Mon Mar 15 14:02:03 1999
*
* $Id$
*/
/*
* Copyright (c) 1993 - 1999 CENA, Patrick Lecoanet --
*
* This code is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this code; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef _tkZinc_h
#define _tkZinc_h
#include "WidgetInfo.h"
#include "Item.h"
#include "List.h"
#include "MapInfo.h"
typedef struct _TagSearch {
WidgetInfo *wi;
Item current; /* Pointer to last item returned. */
Item previous; /* The item right before the current
* is tracked so if the current is
* deleted we don't have to start from the
* beginning. */
ZnBool over; /* Non-zero means NextItem should always
* return NULL. */
int type; /* search type */
int id; /* item id for searches by id */
char *tag; /* tag expression string */
int tag_index; /* current position in string scan */
int tag_len; /* length of tag expression string */
char *rewrite_buf; /* tag string (after removing escapes) */
unsigned int rewrite_buf_alloc; /* available space for rewrites */
struct _TagSearchExpr *expr; /* compiled tag expression */
Item group;
ZnBool recursive;
ZnList item_stack;
} TagSearch;
#define NewLongObj Tcl_NewLongObj
#define NewBooleanObj Tcl_NewBooleanObj
#define NewDoubleObj Tcl_NewDoubleObj
Tcl_Obj *NewStringObj(char *val);
void SetStringObj(Tcl_Obj *o, char *val);
char *Tcl_GetString(Tcl_Obj *obj);
int ZnItemWithTagOrId(WidgetInfo *wi, Tcl_Obj *tag_or_id,
Item *item, TagSearch **search_var);
void ZnTagSearchDestroy(TagSearch *search);
void ZnDoItem(Tcl_Interp *interp, Item item, int part, Tk_Uid tag_uid);
void ZnNeedRedisplay(WidgetInfo *wi);
void ZnDamage(WidgetInfo *wi, ZnBBox *damage);
#endif /* _tkZinc_h */
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