ample/Ample/EjectButton.m

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//
// EjectButton.m
// Ample
//
// Created by Kelvin Sherlock on 9/7/2020.
// Copyright © 2020 Kelvin Sherlock. All rights reserved.
//
#import "EjectButton.h"
static NSImage *ejectImage = nil;
static NSImage *ejectHoverImage = nil;
@implementation EjectButton {
NSTrackingRectTag _tracking;
BOOL _mouse;
}
+(void)initialize {
// content tint only works with template images.
ejectImage = [NSImage imageNamed: @"eject-16x16"];
ejectHoverImage = [NSImage imageNamed: @"eject-hover-16x16"];
[ejectImage setTemplate: YES];
[ejectHoverImage setTemplate: YES];
}
-(void)awakeFromNib {
[super awakeFromNib];
[self setButtonType: NSButtonTypeMomentaryPushIn];
[self setImage: ejectImage];
[self setAlternateImage: ejectHoverImage];
// _tracking = [self addTrackingRect: [self bounds] owner: self userData: nil assumeInside: NO];
}
-(void)viewDidMoveToWindow {
if (!_tracking)
_tracking = [self addTrackingRect: [self bounds] owner: self userData: nil assumeInside: NO];
}
-(void)mouseEntered:(NSEvent *)event {
_mouse = YES;
if ([self isEnabled])
[self setImage: ejectHoverImage];
}
-(void)mouseExited:(NSEvent *)event {
_mouse = NO;
if ([self isEnabled])
[self setImage: ejectImage];
}
-(void)setEnabled:(BOOL)enabled {
[super setEnabled: enabled];
if (_mouse) {
[self setImage: enabled ? ejectHoverImage : ejectImage];
}
}
@end