winemac: Scale cursors for Retina mode, now that user32 scales them with DPI.

[Ken Thomases]

When they were always 32x32, treating that size as though it were in Cocoa's
virtual "points" rather than pixels produced good results even though it wasn't
really correct.

Signed-off-by: Ken Thomases <ken at codeweavers.com>
---
 dlls/winemac.drv/cocoa_app.m | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dlls/winemac.drv/cocoa_app.m b/dlls/winemac.drv/cocoa_app.m
index 2cf67f1..46176f7 100644
--- a/dlls/winemac.drv/cocoa_app.m
+++ b/dlls/winemac.drv/cocoa_app.m
@@ -992,12 +992,14 @@ - (void) setCursor
     {
         NSDictionary* frame = [cursorFrames objectAtIndex:cursorFrame];
         CGImageRef cgimage = (CGImageRef)[frame objectForKey:@"image"];
-        NSImage* image = [[NSImage alloc] initWithCGImage:cgimage size:NSZeroSize];
+        CGSize size = CGSizeMake(CGImageGetWidth(cgimage), CGImageGetHeight(cgimage));
+        NSImage* image = [[NSImage alloc] initWithCGImage:cgimage size:NSSizeFromCGSize(cgsize_mac_from_win(size))];
         CFDictionaryRef hotSpotDict = (CFDictionaryRef)[frame objectForKey:@"hotSpot"];
         CGPoint hotSpot;
 
         if (!CGPointMakeWithDictionaryRepresentation(hotSpotDict, &hotSpot))
             hotSpot = CGPointZero;
+        hotSpot = cgpoint_mac_from_win(hotSpot);
         self.cursor = [[[NSCursor alloc] initWithImage:image hotSpot:NSPointFromCGPoint(hotSpot)] autorelease];
         [image release];
         [self unhideCursor];
-- 
2.10.2