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39 lines
1.3 KiB
Objective-C
39 lines
1.3 KiB
Objective-C
/*
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* PDP-8/E Simulator
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*
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* Copyright © 1994-2018 Bernhard Baehr
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*
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* KnobCell.h - NSButtonCell subclass for the console turning switches
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*
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* This file is part of PDP-8/E Simulator.
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*
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* PDP-8/E Simulator is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// alternate title of the control is the prefix for the images of the knob
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// the tag of the cell is the number of positions / images of the knob
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// when this number is negative, the knob is operated horizontally, otherwise upright
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// the control tag always contains the current knob position
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// use [[control cell] setTag:x] to set the tag (i. e. position) of the knob and update the image
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@interface KnobCell : NSButtonCell
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{
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@private
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NSMutableArray *images;
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}
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@end
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