NSScreen-PointConversion/NSScreen+PointConversion.m at master · okocsis/NSScreen-PointConversion · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
//
//  NSScreen+PointConversion.m
//  ColorPicker
//
//  Created by Oscar Del Ben on 9/5/11.
//  Copyright 2011 DibiStore. All rights reserved.
//

#import "NSScreen+PointConversion.h"

@implementation NSScreen (PointConversion)

+ (NSScreen *)currentScreenForMouseLocation
{
    NSPoint mouseLocation = [NSEvent mouseLocation];

    NSEnumerator *screenEnumerator = [[NSScreen screens] objectEnumerator];
    NSScreen *screen;
    while ((screen = [screenEnumerator nextObject]) && !NSMouseInRect(mouseLocation, screen.frame, NO))
        ;

    return screen;
}

- (NSPoint)convertPointToScreenCoordinates:(NSPoint)aPoint
{
    float normalizedX = fabs(fabs(self.frame.origin.x) - fabs(aPoint.x));
    float normalizedY = aPoint.y - self.frame.origin.y;

    return NSMakePoint(normalizedX, normalizedY);
}

- (NSPoint)flipPoint:(NSPoint)aPoint
{
    return NSMakePoint(aPoint.x, self.frame.size.height - aPoint.y);
}

@end