Фантастический костыль для мапа между мониторами с разным PPI

gistfile1.m

- (NSRect)scaleWindowFrame:(NSRect)aFrame toView:(NSView *)aView
{
    NSScreen *windowScreen = [self preferredScreen];
    NSScreen *viewScreen = [[aView window] screen];
    if (windowScreen == nil || viewScreen == nil)
        return NSZeroRect;
    
    
    NSRect screenFrameInViewCoordinates = [windowScreen visibleFrame];
    if (floor(NSAppKitVersionNumber) <= NSAppKitVersionNumber10_6)
    {
        // Convert window screen coordinates to base coordinates of aView.
        CGFloat viewScreenScaleFactor = [viewScreen userSpaceScaleFactor];
        screenFrameInViewCoordinates = NSMakeRect(screenFrameInViewCoordinates.origin.x * viewScreenScaleFactor,
                                                  screenFrameInViewCoordinates.origin.y * viewScreenScaleFactor,
                                                  screenFrameInViewCoordinates.size.width * viewScreenScaleFactor,
                                                  screenFrameInViewCoordinates.size.height * viewScreenScaleFactor);
        // Convert from base coordinates to view's coordinates.
        screenFrameInViewCoordinates = [aView convertRectFromBase:screenFrameInViewCoordinates];
    }
    else
    {
        if ([windowScreen isEqual:viewScreen])
            screenFrameInViewCoordinates = [aView convertRectFromBacking:[windowScreen convertRectToBacking:screenFrameInViewCoordinates]];
        else
        {
            // Convert window screen coordinates to backing coordinates.
            screenFrameInViewCoordinates = [windowScreen convertRectToBacking:screenFrameInViewCoordinates];
            // Convert from window screen backing coordinates to aView backing coordinates.
            CGFloat windowScaleFactor = [windowScreen backingScaleFactor];
            CGFloat viewScaleFactor = [viewScreen backingScaleFactor];
            CGFloat scaleFactor = viewScaleFactor / windowScaleFactor;
            screenFrameInViewCoordinates = NSMakeRect(screenFrameInViewCoordinates.origin.x * scaleFactor,
                                                      screenFrameInViewCoordinates.origin.y * scaleFactor,
                                                      screenFrameInViewCoordinates.size.width * scaleFactor,
                                                      screenFrameInViewCoordinates.size.height * scaleFactor);
            // Convert from backing coordinates to aView coordinates.
            screenFrameInViewCoordinates = [viewScreen convertRectFromBacking:screenFrameInViewCoordinates];
        }
    }
    NSRect viewBounds = [aView bounds];
    NSPoint viewToScreenRatio = NSMakePoint(screenFrameInViewCoordinates.size.width / viewBounds.size.width,
                                            screenFrameInViewCoordinates.size.height / viewBounds.size.height);
    NSRect screenFrame = [windowScreen visibleFrame];
    NSRect scaledWindowFrame = NSMakeRect(aFrame.origin.x / screenFrame.size.width * viewToScreenRatio.x,
                                          aFrame.origin.y / screenFrame.size.height * viewToScreenRatio.y,
                                          aFrame.size.width / screenFrame.size.width * viewToScreenRatio.x,
                                          aFrame.size.height / screenFrame.size.height * viewToScreenRatio.y);
    return [aView centerScanRect:scaledWindowFrame];
}

- (NSRect)scaleWindowFrame:(NSRect)aFrame fromView:(NSView *)aView
{
    NSScreen *windowScreen = [self preferredScreen];
    NSScreen *viewScreen = [[aView window] screen];
    if (windowScreen == nil || viewScreen == nil)
        return NSZeroRect;
    
    NSRect viewBoundsInScreenCoordinates = [aView bounds];
    if (floor(NSAppKitVersionNumber) <= NSAppKitVersionNumber10_6)
    {
        // Convert aView coordinates to base coordinates of aView.
        viewBoundsInScreenCoordinates = [aView convertRectToBase:viewBoundsInScreenCoordinates];
        // Convert base coordinates of aView to window screen coordinates
        CGFloat viewScaleFactor = [viewScreen userSpaceScaleFactor];
        viewBoundsInScreenCoordinates = NSMakeRect(viewBoundsInScreenCoordinates.origin.x / viewScaleFactor,
                                                   viewBoundsInScreenCoordinates.origin.y / viewScaleFactor,
                                                   viewBoundsInScreenCoordinates.size.width / viewScaleFactor,
                                                   viewBoundsInScreenCoordinates.size.height / viewScaleFactor);   
    }
    else
    {
        if ([viewScreen isEqual:windowScreen])
            viewBoundsInScreenCoordinates = [windowScreen convertRectFromBacking:[aView convertRectToBacking:viewBoundsInScreenCoordinates]];
        else
        {
            // Convert aView coordinates to backing coordinates of aView.
            viewBoundsInScreenCoordinates = [aView convertRectToBacking:viewBoundsInScreenCoordinates];
            // Convert backing coordinates of aView to backing coordinates of window screen.
            CGFloat windowScaleFactor = [windowScreen backingScaleFactor];
            CGFloat viewScaleFactor = [viewScreen backingScaleFactor];
            CGFloat scaleFactor = windowScaleFactor / viewScaleFactor;
            viewBoundsInScreenCoordinates = NSMakeRect(viewBoundsInScreenCoordinates.origin.x * scaleFactor,
                                                       viewBoundsInScreenCoordinates.origin.y * scaleFactor,
                                                       viewBoundsInScreenCoordinates.size.width * scaleFactor,
                                                       viewBoundsInScreenCoordinates.size.height * scaleFactor);
            // Convert from backing coordinates of window screen to window screen coordinates.
            viewBoundsInScreenCoordinates = [windowScreen convertRectFromBacking:viewBoundsInScreenCoordinates];
        }
    }
    
    NSRect screenFrame = [windowScreen visibleFrame];
    NSPoint screenToViewRatio = NSMakePoint(viewBoundsInScreenCoordinates.size.width / screenFrame.size.width,
                                            viewBoundsInScreenCoordinates.size.height / screenFrame.size.height);
    NSRect viewBounds = [aView bounds];
    NSRect scaledWindowFrame = NSMakeRect(aFrame.origin.x / viewBounds.size.width * screenToViewRatio.x,
                                          aFrame.origin.y / viewBounds.size.height * screenToViewRatio.y,
                                          aFrame.size.width / viewBounds.size.width * screenToViewRatio.x,
                                          aFrame.size.height / viewBounds.size.height * screenToViewRatio.y);
}