93 lines
2.5 KiB
Objective-C
93 lines
2.5 KiB
Objective-C
/*
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* PDP-8/E Simulator
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*
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* Copyright © 1994-2015 Bernhard Baehr
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*
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* ConsoleSwitchCell.h - NSButtonCell subclass for the console 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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#import <Cocoa/Cocoa.h>
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#import "ConsoleSwitchCell.h"
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@implementation ConsoleSwitchCell
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- (void) awakeFromNib
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{
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if ([self tag] == -1) {
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upWithoutShadow = [[NSImage alloc] initByReferencingFile:
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[[NSBundle bundleForClass:[self class]]
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pathForResource:[self alternateTitle] ofType:@"png"]];
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upWithShadow = [[self image] retain];
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} else {
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upWithoutShadow = [[self alternateImage] retain];
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upWithShadow = [[NSImage alloc] initByReferencingFile:
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[[NSBundle bundleForClass:[self class]]
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pathForResource:[self alternateTitle] ofType:@"png"]];
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}
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[(NSButton *)[self controlView] setAlternateTitle:nil];
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}
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- (void) highlight:(BOOL)flag withFrame:(NSRect)frame inView:(NSView *)view
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{
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// we need highlight only for momentary changing switches, detected via tag value -1
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if ([self tag] == -1) {
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[super highlight:flag withFrame:frame inView:view];
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[leftNeighbour updateShadow:! flag];
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}
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else
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[view setNeedsDisplay:YES];
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}
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- (void) performClick:(id)sender
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{
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// called by the key equivalents; the default method causes the switch to highlight
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// we need highlight only for momentary changing switches, detected via tag value -1
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if ([self tag] == -1)
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[super performClick:sender];
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else {
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[self setState:! [self state]];
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[[self target] performSelector:[self action] withObject:sender];
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}
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[[self controlView] setNeedsDisplay:YES]; // to show keyboad operation via space key with Tiger
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}
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- (void) setState:(int)state
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{
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[super setState:state];
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[leftNeighbour updateShadow:state];
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}
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- (void) updateShadow:(BOOL)showShadow
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{
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if ([self tag] == -1)
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[self setImage:showShadow ? upWithShadow : upWithoutShadow];
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else
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[self setAlternateImage:showShadow ? upWithShadow : upWithoutShadow];
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}
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@end
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