/*
 * $Id: scroll.h,v 1.18 2002/07/14 21:49:37 moloney Exp $
 */

#ifndef CDKINCLUDES
#ifndef CDKSCROLL_H
#define CDKSCROLL_H	1

#ifdef __cplusplus
extern "C" {
#endif

#ifndef CDK_H
#define CDKINCLUDES
#include <cdk/cdk.h>
#undef CDKINCLUDES
#include <cdk/binding.h>
#include <cdk/cdkscreen.h>
#include <cdk/cdk_objs.h>
#endif

/*
 * Copyright 1999, Mike Glover
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgment:
 * 	This product includes software developed by Mike Glover
 * 	and contributors.
 * 4. Neither the name of Mike Glover, nor the names of contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY MIKE GLOVER AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL MIKE GLOVER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * Declare scrolling list definitions.
 */
#define	NUMBERS		TRUE
#define	NONUMBERS	FALSE

/*
 * Declare scrolling list definitions.
 */
struct SScroll {
   CDKOBJS	obj;
   WINDOW	*parent;
   WINDOW	*win;
   WINDOW	*scrollbarWin;
   WINDOW       *listWin;
   WINDOW	*shadowWin;
   chtype	*title[MAX_LINES];
   int		titlePos[MAX_LINES];
   int		titleLen[MAX_LINES];
   int		titleAdj;
   int		titleLines;
   chtype	*item[MAX_ITEMS];
   int		itemPos[MAX_ITEMS];
   int		itemLen[MAX_ITEMS];
   int		maxTopItem;
   int		maxLeftChar;
   int		leftChar;
   int		lastItem;
   int		currentTop;
   int		currentItem;
   int		currentHigh;
   int		listSize;
   int		boxWidth;
   int		boxHeight;
   int		viewSize;
   int		scrollbarPlacement;
   boolean	scrollbar;
   int		toggleSize;
   int		togglePos;
   float	step;
   chtype	ULChar;
   chtype	URChar;
   chtype	LLChar;
   chtype	LRChar;
   chtype	VChar;
   chtype	HChar;
   chtype	BoxAttrib;
   EExitType	exitType;
   boolean	shadow;
   boolean	numbers;
   chtype	titlehighlight;
   chtype	highlight;
   PROCESSFN	preProcessFunction;
   void *	preProcessData;
   PROCESSFN	postProcessFunction;
   void *	postProcessData;
};
typedef struct SScroll CDKSCROLL;

/*
 * This creates a new CDK scrolling list pointer.
 */
CDKSCROLL *newCDKScroll (
		CDKSCREEN *	/* cdkscreen */,
		int		/* xpos */,
		int		/* ypos */,
		int		/* spos */,
		int		/* height */,
		int		/* width */,
		char *		/* title */,
		char **		/* scrollItems */,
		int		/* items */,
		boolean		/* numbers */,
		chtype		/* highlight */,
		boolean		/* Box */,
		boolean		/* shadow */);

/*
 * This activates the scrolling list.
 */
int activateCDKScroll (
		CDKSCROLL *	/* scroll */,
		chtype *	/* actions */);

/*
 * This injects a single character into the scrolling list.
 */
#define injectCDKScroll(obj,input) injectCDKObject(obj,input,Int)

/*
 * This sets various attributes of the scrolling list.
 */
void setCDKScroll (
		CDKSCROLL *	/* scroll */,
		char **		/* scrollItems */,
		int		/* listSize */,
		boolean		/* numbers */,
		chtype		/* highlight */,
		boolean		/* Box */);

void setCDKScrollPosition (
		CDKSCROLL *	/* scroll */,
		int		/* item */);

int  getCDKScrollCurrent(
		CDKSCROLL *	/* scroll */);

void setCDKScrollCurrent(
		CDKSCROLL *	/* scroll */,
		int		/* i */);

/*
 * This sets the contents of the scrolling list.
 */
void setCDKScrollItems (
		CDKSCROLL *	/* scroll */,
		char **		/* items */,
		int		/* itemCount */,
		boolean		/* numbers */);

int getCDKScrollItems (
		CDKSCROLL *	/* scroll */,
		char **		/* items */);

/*
 * This sets the highlight bar of the scrolling list.
 */
void setCDKScrollHighlight (
		CDKSCROLL *	/* scroll */,
		chtype		/* highlight */);

chtype getCDKScrollHighlight (
		CDKSCROLL *	/* scroll */,
		chtype		/* highlight */);

/*
 * This sets the box attribute of the widget.
 */
void setCDKScrollBox (
		CDKSCROLL *	/* scroll */,
		boolean		/* Box */);

boolean getCDKScrollBox (
		CDKSCROLL *	/* scroll */);

/*
 * These functions set the drawing characters of the widget.
 */
void setCDKScrollULChar (
		CDKSCROLL *	/* scroll */,
		chtype		/* character */);

void setCDKScrollURChar (
		CDKSCROLL *	/* scroll */,
		chtype		/* character */);

void setCDKScrollLLChar (
		CDKSCROLL *	/* scroll */,
		chtype		/* character */);

void setCDKScrollLRChar (
		CDKSCROLL *	/* scroll */,
		chtype		/* character */);

void setCDKScrollVerticalChar (
		CDKSCROLL *	/* scroll */,
		chtype		/* character */);

void setCDKScrollHorizontalChar (
		CDKSCROLL *	/* scroll */,
		chtype		/* character */);

void setCDKScrollBoxAttribute (
		CDKSCROLL *	/* scroll */,
		chtype		/* character */);

/*
 * This sets the background color of the widget.
 */ 
void setCDKScrollBackgroundColor (
		CDKSCROLL *	/* scroll */,
		char *		/* color */);

/*
 * This sets the background attribute of the widget.
 */ 
void setCDKScrollBackgroundAttrib (
		CDKSCROLL *	/* scroll */,
		chtype		/* attribute */);

/*
 * This adds a single item into the scrolling list.
 */
void addCDKScrollItem (
		CDKSCROLL *	/* scroll */,
		char *		/* item */);

/*
 * This deletes a single item from the scrolling list.
 */
void deleteCDKScrollItem (
		CDKSCROLL *	/* scroll */,
		int		/* position */);

/*
 * This draws the scrolling list on the screen.
 */
#define drawCDKScroll(obj,Box) drawCDKObject(obj,Box)

/*
 * This removes the scrolling list from the screen.
 */
#define eraseCDKScroll(obj) eraseCDKObject(obj)

/*
 * This moves the widget to the given location.
 */
#define moveCDKScroll(obj,xpos,ypos,relative,refresh) moveCDKObject(obj,xpos,ypos,relative,refresh)

/*
 * This allows the user to interactively position the widget on the screen.
 */
#define positionCDKScroll(widget) positionCDKObject(ObjOf(widget),widget->win)

/*
 * This destroys the widget and all associated memory.
 */
#define destroyCDKScroll(obj) destroyCDKObject(obj)

/*
 * These set the scrolling list pre/post process functions.
 */
void setCDKScrollPreProcess (
		CDKSCROLL *	/* scroll */,
		PROCESSFN	/* callback */,
		void *		/* data */);

void setCDKScrollPostProcess (
		CDKSCROLL *	/* scroll */,
		PROCESSFN	/* callback */,
		void *		/* data */);

#ifdef __cplusplus
}
#endif

#endif /* CDKSCROLL_H */
#endif /* CDKINCLUDES */
