Fixes for the two issues I logged

KDXCollectionView.podspec

@@ -0,0 +1,14 @@
+Pod::Spec.new do |s|
+s.name = 'KDXCollectionView'
+s.version = '0.1.3'
+s.license = { :type => 'MIT', :file => 'LICENSE' }
+s.summary = 'A better collection view for Mac.'
+s.homepage = 'https://github.com/lembacon/KDXCollectionView'
+s.author = { 'Chongyu Zhu' => '[email protected]' }
+s.source = { :git => 'https://github.com/tsfischer/KDXCollectionView.git' }
+s.source_files = 'src/*.{h,c,m}'
+s.requires_arc = false
+
+s.osx.deployment_target = '10.6'
+s.osx.framework = 'Cocoa'
+end

src/KDXCollectionView.m

@@ -114,6 +114,10 @@ - (void)_delegateUpdateDraggingItemsForDrag:(id <NSDraggingInfo>)draggingInfo;
 
 @implementation KDXCollectionView
 
+// TSF 7/19/2016 Work-around for a nasty bug where visibleCells array is not trustable during a reloadData.
+// Ugly, but trying to minimize pod code changes.
+static BOOL doingPreReloadData = false;
+
 #pragma mark - Synthesizing Properties
 
 @synthesize dataSource = _dataSource;
@@ -448,11 +452,13 @@ - (void)deselectAllItems
 
 - (void)_preReloadData
 {
+    doingPreReloadData = true;
     [_selectedIndexes removeAllIndexes];
     _hoveringIndex = NSNotFound;
 
     _numberOfItems = [self _dataSourceNumberOfItems];
     [self _updateFrame];
+    doingPreReloadData = false;
 }
 
 - (void)_postReloadData
@@ -659,6 +665,7 @@ - (void)_fixLayoutAfterMoving
     _flags.shouldAnimateCellFrameChanging = YES;
 
     [self _updateFramesOfCells];
+    [self _addVisibleCells];
 
     _flags.shouldAnimateCellFrameChanging = oldShouldAnimateCellFrameChanging;
 }
@@ -754,6 +761,7 @@ - (void)_fixLayoutAfterInsertion
     [self _updateFrame];
     [self _updateFramesOfCells];
     [self _removeInvisibleCells];
+    [self _addVisibleCells];
 
     _flags.shouldAnimateCellFrameChanging = oldShouldAnimateCellFrameChanging;
 }
@@ -964,7 +972,9 @@ - (void)drawRect:(NSRect)dirtyRect
 - (void)setFrame:(NSRect)frameRect
 {
     [super setFrame:frameRect];
-    [self _layout];
+    if (!doingPreReloadData) {
+        [self _layout];
+    }
 
     if ([self inLiveResize]) {
         [self setNeedsDisplay:YES];
@@ -2080,11 +2090,13 @@ - (BOOL)acceptsFirstResponder
 
 - (NSView *)hitTest:(NSPoint)aPoint
 {
-    if (NSMouseInRect(aPoint, [self visibleRect], [self isFlipped])) {
+    NSView *hitView = [super hitTest:aPoint];
+
+    if (!hitView && NSMouseInRect(aPoint, [self visibleRect], [self isFlipped])) {
         return self;
     }
 
-    return nil;
+    return hitView;
 }
 
 - (void)_clearTrackingArea