minivmac4ios/Mini vMac/KBKey.m
2016-05-14 13:01:02 +02:00

196 lines
6.3 KiB
Objective-C

//
// KBKey.m
// BasiliskII
//
// Created by Jesús A. Álvarez on 16/03/2014.
// Copyright (c) 2014 namedfork. All rights reserved.
//
#import "KBKey.h"
const NSUInteger KBKeyControlStateCaps = 1 << 16;
const NSUInteger KBKeyEventStickyKey = 1 << 24;
@implementation KBKey
- (id)initWithFrame:(CGRect)frame {
if ((self = [super initWithFrame:frame])) {
self.dark = NO;
self.titleLabel.adjustsFontSizeToFitWidth = YES;
self.titleLabel.lineBreakMode = NSLineBreakByTruncatingTail;
self.titleLabel.minimumScaleFactor = 0.5;
self.titleEdgeInsets = UIEdgeInsetsMake(0, 2, 0, 2);
[self setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
}
return self;
}
- (void)awakeFromNib {
self.dark = NO;
}
- (void)setDark:(BOOL)dark {
_dark = dark;
[self setBackgroundImage:[UIImage imageNamed:@"KBKey"] forState:dark ? UIControlStateHighlighted : UIControlStateNormal];
[self setBackgroundImage:[UIImage imageNamed:@"KBKeyDark"] forState:dark ? UIControlStateNormal : UIControlStateHighlighted];
}
- (void)setLabel:(NSString *)label {
self.titleLabel.numberOfLines = [label containsString:@"\n"] ? 2 : 1;
[self setTitle:label forState:UIControlStateNormal];
}
- (NSString *)label {
return [self titleForState:UIControlStateNormal];
}
- (void)setTitle:(NSString *)title forState:(UIControlState)state {
if (title.length > 1 && [title hasPrefix:@"@"] && ![title containsString:@"\n"]) {
[super setTitle:nil forState:state];
NSArray<NSString *> *components = [[title substringFromIndex:1] componentsSeparatedByString:@"/"];
if (state == UIControlStateNormal) {
if (components.count == 3) {
[super setImage:[UIImage imageNamed:[components[0] stringByAppendingString:components[1]]] forState:UIControlStateNormal];
[super setImage:[UIImage imageNamed:[components[0] stringByAppendingString:components[2]]] forState:UIControlStateHighlighted];
} else if (components.count == 1) {
UIImage *image = [UIImage imageNamed:components.firstObject];
[super setImage:image forState:UIControlStateNormal];
[super setImage:image forState:UIControlStateHighlighted];
} else {
NSLog(@"Can't set title for %@: %@", self, title);
}
} else {
[super setImage:[UIImage imageNamed:components.firstObject] forState:state];
}
self.imageEdgeInsets = UIEdgeInsetsMake(-2, 0, 0, 0);
} else if ((id)title != [NSNull null]) {
[super setTitle:title forState:state];
[super setImage:nil forState:state];
}
}
- (instancetype)_sameKey {
__block KBKey *otherKey = nil;
[self.superview.subviews enumerateObjectsUsingBlock:^(KBKey *obj, NSUInteger idx, BOOL *stop) {
if (obj != self && [obj isKindOfClass:[self class]] && obj.scancode == self.scancode) {
otherKey = obj;
*stop = YES;
}
}];
return otherKey;
}
@end
@implementation KBHideKey
@end
@implementation KBStickyKey {
@protected
BOOL _down;
}
- (id)initWithFrame:(CGRect)frame {
if ((self = [super initWithFrame:frame])) {
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tap:)];
[self addGestureRecognizer:tap];
}
return self;
}
- (UIControlState)state {
return [super state] | (_down ? UIControlStateHighlighted : 0);
}
- (void)setDown:(BOOL)down {
if (_down != down) {
_down = down;
[self sendActionsForControlEvents:KBKeyEventStickyKey];
[self setNeedsLayout];
KBStickyKey *otherKey = [self _sameKey];
if (otherKey != nil) {
otherKey->_down = down;
[otherKey setNeedsLayout];
}
}
}
- (void)tap:(UIGestureRecognizer *)gestureRecognizer {
if (gestureRecognizer.state == UIGestureRecognizerStateRecognized) {
self.down ^= YES;
}
}
@end
@implementation KBShiftCapsKey {
BOOL wasCapsLocked;
}
- (id)initWithFrame:(CGRect)frame {
if ((self = [super initWithFrame:frame])) {
self.dark = YES;
[self setImage:[UIImage imageNamed:@"KBShiftUp"] forState:UIControlStateNormal];
[self setImage:[UIImage imageNamed:@"KBShiftDown"] forState:UIControlStateHighlighted];
[self setImage:[UIImage imageNamed:@"KBCapsLock"] forState:KBKeyControlStateCaps];
[self setImage:[UIImage imageNamed:@"KBCapsLock"] forState:KBKeyControlStateCaps | UIControlStateHighlighted];
[self setBackgroundImage:[UIImage imageNamed:@"KBKey"] forState:KBKeyControlStateCaps];
[self setBackgroundImage:[UIImage imageNamed:@"KBKey"] forState:KBKeyControlStateCaps | UIControlStateHighlighted];
UITapGestureRecognizer *doubleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(doubleTap:)];
doubleTap.numberOfTapsRequired = 2;
[self addGestureRecognizer:doubleTap];
}
return self;
}
- (void)setTitle:(NSString *)title forState:(UIControlState)state {
// nothing here
}
- (void)setDark:(BOOL)dark {
[super setDark:YES];
}
- (UIControlState)state {
return [super state] | (_capsLocked ? KBKeyControlStateCaps : 0);
}
- (void)tap:(UIGestureRecognizer *)gestureRecognizer {
if (gestureRecognizer.state == UIGestureRecognizerStateRecognized) {
wasCapsLocked = self.capsLocked;
typeof(self) sameKey = [self _sameKey];
if (sameKey != nil) {
sameKey->wasCapsLocked = wasCapsLocked;
sameKey.capsLocked = NO;
}
self.capsLocked = NO;
if (wasCapsLocked) {
_down = YES;
self.down = NO;
} else {
self.down = !self.down;
}
[[self _sameKey] setNeedsLayout];
}
}
- (void)doubleTap:(UIGestureRecognizer *)gestureRecognizer {
if (gestureRecognizer.state == UIGestureRecognizerStateRecognized) {
self.down = NO;
self.capsLocked = !wasCapsLocked;
typeof(self) sameKey = [self _sameKey];
if (sameKey != nil) {
sameKey->wasCapsLocked = wasCapsLocked;
sameKey.capsLocked = self.capsLocked;
}
[self sendActionsForControlEvents:KBKeyEventStickyKey];
[self setNeedsLayout];
wasCapsLocked = YES;
[sameKey setNeedsLayout];
}
}
@end