Files
MacPass/MacPass/MPPopupImageView.m
2017-09-04 09:29:08 +02:00

108 lines
3.0 KiB
Objective-C

//
// MPPopupImageView.m
// MacPass
//
// Created by Michael Starke on 10.03.13.
// Copyright (c) 2013 HicknHack Software GmbH. All rights reserved.
//
// This program 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/>.
//
#import "MPPopupImageView.h"
#define MPTRIANGLE_HEIGHT 8
#define MPTRIANGLE_WIDTH 10
#define MPTRIANGLE_OFFSET 2
@interface MPPopupImageView ()
@property (assign) BOOL showOverlay;
- (void)_setupView;
@end
@implementation MPPopupImageView
- (id)initWithFrame:(NSRect)frameRect {
self = [super initWithFrame:frameRect];
if(self) {
[self _setupView];
}
return self;
}
- (id)initWithCoder:(NSCoder *)aDecoder {
self = [super initWithCoder:aDecoder];
if(self) {
[self _setupView];
}
return self;
}
- (void)drawRect:(NSRect)dirtyRect
{
if(self.showOverlay && self.enabled) {
[[NSGraphicsContext currentContext] saveGraphicsState];
NSBezierPath *path = [NSBezierPath bezierPathWithRoundedRect:[self bounds] xRadius:4 yRadius:4];
NSShadow *shadow = [[NSShadow alloc] init];
shadow.shadowBlurRadius = 6;
shadow.shadowOffset = NSMakeSize(0, 0);
shadow.shadowColor = [NSColor colorWithCalibratedWhite:0.2 alpha:1];
[shadow set];
[path addClip];
[[NSColor colorWithCalibratedWhite:1 alpha:0.2] setFill];
[path fill];
NSBezierPath *strokePath = [NSBezierPath bezierPathWithRoundedRect:NSInsetRect([self bounds], -3, -3) xRadius:4 yRadius:4];
strokePath.lineWidth = 6;
[strokePath stroke];
[NSGraphicsContext.currentContext restoreGraphicsState];
}
[super drawRect:dirtyRect];
}
- (void)mouseEntered:(NSEvent *)theEvent {
self.showOverlay = YES;
self.needsDisplay = YES;
[super mouseEntered:theEvent];
}
- (void)mouseExited:(NSEvent *)theEvent {
self.showOverlay = NO;
self.needsDisplay = YES;
[super mouseExited:theEvent];
}
- (void)mouseDown:(NSEvent *)theEvent {
if(self.enabled) {
[self sendAction:self.action to:self.target];
}
}
- (void)_setupView {
/* Add tracking area for mouse events */
NSTrackingArea *trackingArea = [[NSTrackingArea alloc] initWithRect:[self bounds]
options:(NSTrackingMouseEnteredAndExited | NSTrackingActiveInKeyWindow)
owner:self
userInfo:nil];
[self addTrackingArea:trackingArea];
}
@end