Utility class for working with multiple screens in Cocoa
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NSScreen+PointConversion.h
NSScreen+PointConversion.m
README

README

When working with multiple screens and mouse location in Cocoa you have to go through converting the point coordinates to the current screen coordinates.

For example if you have a second monitor on the left and you want to get the mouse position relative to that screen, [NSEvent mousePosition] will return something like (-1200, 130), which is often not what you want. This class provides three simple methods to simplify conversion of points to the current screen coordinates:

    /* 
     Returns the screen where the mouse resides
    */
    + (NSScreen *)currentScreenForMouseLocation;

    /*
     Allows you to convert a point from global coordinates to the current screen coordinates.
    */
    - (NSPoint)convertPointToScreenCoordinates:(NSPoint)aPoint;

    /*
     Allows to flip the point coordinates, so y is 0 at the top instead of the bottom. x remains the same
    */
    - (NSPoint)flipPoint:(NSPoint)aPoint;


License: MIT