NetBSD/dist/cdk/include/menu.h

#ifndef CDKMENU_H
#define CDKMENU_H	1

#include <cdk/cdk.h>

/*
 * 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.
 */

/*
 * Define menu specific values.
 */
#define MAX_MENU_ITEMS	30
#define MAX_SUB_ITEMS	98

/*
 * Define the CDK menu widget structure.
 */
struct SMenu {
   CDKOBJS	obj;
   WINDOW	*parent;
   WINDOW	*pullWin[MAX_MENU_ITEMS];
   WINDOW	*titleWin[MAX_MENU_ITEMS];
   chtype	*title[MAX_MENU_ITEMS];
   int		titleLen[MAX_MENU_ITEMS];
   chtype	*sublist[MAX_MENU_ITEMS][MAX_SUB_ITEMS];
   int		sublistLen[MAX_MENU_ITEMS][MAX_SUB_ITEMS];
   int		subsize[MAX_MENU_ITEMS];
   int		menuPos;
   int		menuItems;
   chtype	titleAttr;
   chtype	subtitleAttr;
   int		currentTitle;
   int		currentSubtitle;
   int		lastTitle;
   int		lastSubtitle;
   EExitType	exitType;
   int		lastSelection;
   PROCESSFN	preProcessFunction;
   void *	preProcessData;
   PROCESSFN	postProcessFunction;
   void *	postProcessData;
};
typedef struct SMenu CDKMENU;

/*
 * This creates a new CDK menu widget pointer.
 */
CDKMENU *newCDKMenu (
    		CDKSCREEN *	/* cdkscreen */,
		char *		/* menulist */ [MAX_MENU_ITEMS][MAX_SUB_ITEMS],
		int 		/* menuitems */,
		int *		/* subsize */,
		int *		/* menuloc */,
		int		/* menuPos */,
		chtype 		/* titleattr */,
		chtype 		/* subtitleattr */);

/*
 * This activates the menu.
 */
int activateCDKMenu (
    		CDKMENU *	/* menu */,
		chtype *	/* actions */);

/*
 * This injects a single character into the menu widget.
 */
int injectCDKMenu (
    		CDKMENU *	/* menu */,
		chtype 		/* input */);

/*
 * These set specific attributes of the menu.
 */
void setCDKMenu (
    		CDKMENU *	/* menu */,
		int 		/* menuItem */,
		int 		/* subMenuItem */,
		chtype 		/* titleHighlight */,
		chtype 		/* subTitleHighlight */);

/*
 * This returns the current item the menu is on.
 */
void setCDKMenuCurrentItem (
    		CDKMENU *	/* menu */,
		int 		/* menuItem */,
		int 		/* subMenuItem */);

void getCDKMenuCurrentItem (
    		CDKMENU *	/* menu */,
		int *		/* menuItem */,
		int *		/* subMenuItem */);

/*
 * This sets the highlight of the title.
 */
void setCDKMenuTitleHighlight (
    		CDKMENU *	/* menu */,
		chtype 		/* highlight */);

chtype getCDKMenuTitleHighlight (
    		CDKMENU *	/* menu */);

/*
 * This sets the sub-menu title highlight.
 */
void setCDKMenuSubTitleHighlight (
    		CDKMENU *	/* menu */,
		chtype 		/* highlight */);

chtype getCDKMenuSubTitleHighlight (
    		CDKMENU *	/* menu */);

/*
 * This draws the menu on the screen.
 */
#define drawCDKMenu(obj,box) drawCDKObject(obj,box)

void drawCDKMenuTitles (
    		CDKMENU *	/* menu */);

void drawCDKMenuSubwin (
    		CDKMENU *	/* menu */);

/*
 * This erases the complere menu widget from the screen.
 */
#define eraseCDKMenu(obj) eraseCDKObject(obj)

void eraseCDKMenuSubwin (
    		CDKMENU *	/* menu */);

/*
 * This sets the background color of the widget.
 */
void setCDKMenuBackgroundColor (
    		CDKMENU *	/* menu */,
		char *		/* color */);

/*
 * This destroys the menu widget.
 */
void destroyCDKMenu (
    		CDKMENU *	/* menu */);

/*
 * These set the pre/post process callback functions.
 */
void setCDKMenuPreProcess (
    		CDKMENU *	/* menu */,
		PROCESSFN 	/* callback */,
		void *		/* data */);

void setCDKMenuPostProcess (
    		CDKMENU *	/* menu */,
		PROCESSFN 	/* callback */,
		void *		/* data */);

#endif /* CDKMENU_H */