/*
 *	PDP-8/E Simulator
 *
 *	Copyright © 1994-2015 Bernhard Baehr
 *
 *	TypeaheadBuffer.h - Typeahead buffer for a keyboard input device
 *
 *	This file is part of PDP-8/E Simulator.
 *
 *	PDP-8/E Simulator is free software: you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License as published by
 *	the Free Software Foundation, either version 3 of the License, or
 *	(at your option) any later version.
 *
 *	This program 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 General Public License for more details.
 *
 *	You should have received a copy of the GNU General Public License
 *	along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


@protocol InputConsumer;


@interface TypeaheadBuffer : NSObject {
@private
	IBOutlet id <InputConsumer>	inputConsumer;
	IBOutlet NSButton		*flushTypeaheadBufferButton;
	NSMutableString			*typeaheadBuffer;
}

- (IBAction) flush:(id)sender;

- (BOOL) hasCharacters;
- (signed short) getNextChar;
- (void) typeahead:(NSString *)string;

@end