1.1 --- a/Source/BoardView.m	Tue Mar 11 09:21:53 2008 -0700
     1.2 +++ b/Source/BoardView.m	Wed Mar 12 15:51:32 2008 -0700
     1.3 @@ -104,6 +104,14 @@
     1.4  #pragma mark HIT-TESTING:
     1.5  
     1.6  
     1.7 +/** Converts a point from window coords, to this view's root layer's coords. */
     1.8 +- (CGPoint) _convertPointFromWindowToLayer: (NSPoint)locationInWindow
     1.9 +{
    1.10 +    NSPoint where = [self convertPoint: locationInWindow fromView: nil];    // convert to view coords
    1.11 +    return NSPointToCGPoint( [self convertPointToBase: where] );            // then to layer coords
    1.12 +}
    1.13 +
    1.14 +
    1.15  // Hit-testing callbacks (to identify which layers caller is interested in):
    1.16  typedef BOOL (*LayerMatchCallback)(CALayer*);
    1.17  
    1.18 @@ -119,8 +127,7 @@
    1.19           forLayerMatching: (LayerMatchCallback)match
    1.20                     offset: (CGPoint*)outOffset
    1.21  {
    1.22 -    CGPoint where = NSPointToCGPoint([self convertPoint: locationInWindow fromView: nil]);
    1.23 -    where = [_gameboard convertPoint: where fromLayer: self.layer];
    1.24 +    CGPoint where = [self _convertPointFromWindowToLayer: locationInWindow ];
    1.25      CALayer *layer = [_gameboard hitTest: where];
    1.26      while( layer ) {
    1.27          if( match(layer) ) {
    1.28 @@ -158,7 +165,7 @@
    1.29              if( _dragBit ) {
    1.30                  _dragOffset.x = _dragOffset.y = 0;
    1.31                  if( _dragBit.superlayer==nil )
    1.32 -                    _dragBit.position = NSPointToCGPoint([self convertPoint: _dragStartPos fromView: nil]);
    1.33 +                    _dragBit.position = [self _convertPointFromWindowToLayer: _dragStartPos];
    1.34                  placing = YES;
    1.35              }
    1.36          }
    1.37 @@ -197,7 +204,7 @@
    1.38      
    1.39      if( placing ) {
    1.40          if( _oldSuperlayer )
    1.41 -            _dragBit.position = NSPointToCGPoint([self convertPoint: _dragStartPos fromView: nil]);
    1.42 +            _dragBit.position = [self _convertPointFromWindowToLayer: _dragStartPos];
    1.43          _dragMoved = YES;
    1.44          [self _findDropTarget: _dragStartPos];
    1.45      }
    1.46 @@ -213,12 +220,11 @@
    1.47              _dragMoved = YES;
    1.48          
    1.49          // Move the _dragBit (without animation -- it's unnecessary and slows down responsiveness):
    1.50 -        NSPoint where = [self convertPoint: pos fromView: nil];
    1.51 +        CGPoint where = [self _convertPointFromWindowToLayer: pos];
    1.52          where.x += _dragOffset.x;
    1.53          where.y += _dragOffset.y;
    1.54          
    1.55 -        CGPoint newPos = [_dragBit.superlayer convertPoint: NSPointToCGPoint(where) 
    1.56 -                                                 fromLayer: self.layer];
    1.57 +        CGPoint newPos = [_dragBit.superlayer convertPoint: where fromLayer: self.layer];
    1.58  
    1.59          [CATransaction flush];
    1.60          [CATransaction begin];