PDP-8-E-Simulator/KC8EA/KnobCell.h
2019-05-14 14:47:23 +12:00

39 lines
1.3 KiB
Objective-C

/*
* PDP-8/E Simulator
*
* Copyright © 1994-2018 Bernhard Baehr
*
* KnobCell.h - NSButtonCell subclass for the console turning switches
*
* 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/>.
*/
// alternate title of the control is the prefix for the images of the knob
// the tag of the cell is the number of positions / images of the knob
// when this number is negative, the knob is operated horizontally, otherwise upright
// the control tag always contains the current knob position
// use [[control cell] setTag:x] to set the tag (i. e. position) of the knob and update the image
@interface KnobCell : NSButtonCell
{
@private
NSMutableArray *images;
}
@end