Add support for IB

.gitignore

@@ -1,2 +1,25 @@
-Example/.DS_Store
-.DS_Store
+# Mac OS X
+*.DS_Store
+
+# Xcode
+*.pbxuser
+*.mode1v3
+*.mode2v3
+*.perspectivev3
+*.xcuserstate
+project.xcworkspace/
+xcuserdata/
+
+# Generated files
+*.o
+*.pyc
+
+
+#Python modules
+MANIFEST
+dist/
+build/
+
+# Backup files
+*~.nib
+*.swp

BFPageControl.h

@@ -97,6 +97,6 @@
 /// @name Misc Properties
 ///---------------------------------------------------------------------------------------
 
-@property (nonatomic, assign)id <BFPageControlDelegate>delegate;
+@property (nonatomic, assign) IBOutlet id <BFPageControlDelegate>delegate;
 
 @end

BFPageControl.m

@@ -80,7 +80,7 @@ @implementation BFPageControl
 
 -(id)initWithFrame: (NSRect)frameRect
 {
-    if(self = [super initWithFrame: NSMakeRect(frameRect.origin.x, frameRect.origin.y, 0, 0)])
+    if(self = [super initWithFrame:frameRect])
     {
         _numberOfPages = 0;
         _indicatorDiameterSize = 10.0;
@@ -104,11 +104,21 @@ -(void)updateCurrentPageDisplay
     if(_matrix)
         [_matrix removeFromSuperview], _matrix = nil;
 
-    if(_hidesForSinglePage && self.numberOfPages < 2)
+    NSUInteger numberOfPages = self.numberOfPages;
+    if(_hidesForSinglePage && numberOfPages < 2)
         return;
 
     NSSize size = [self sizeForNumberOfPages: _numberOfPages];
-    NSRect frame = NSMakeRect(0, 0, size.width, size.height);
+
+    CGRect bounds = self.bounds;
+    CGFloat W = bounds.size.width;
+    CGFloat H = bounds.size.height;
+
+    CGFloat x = floorf((W-size.width)/2);
+    CGFloat y = floorf((H-size.height)/2);
+
+    NSRect frame = NSMakeRect(x, y, size.width, size.height);
+
     _matrix = [[NSMatrix alloc] initWithFrame: frame mode: NSRadioModeMatrix cellClass: [BFPageControlCell class] numberOfRows: 1 numberOfColumns: _numberOfPages];
     _matrix.drawsBackground = YES;
     _matrix.backgroundColor = [NSColor clearColor];
@@ -119,10 +129,6 @@ -(void)updateCurrentPageDisplay
     [_matrix setAction: @selector(_clickedItem:)];
     [self addSubview: _matrix];
 
-    frame.origin.y = self.frame.origin.y;
-    frame.origin.x = self.frame.origin.x;
-    super.frame = frame;
-
     __weak id wSelf = self;
     void(^block)(NSRect, NSView *, BOOL, BOOL) = ^(NSRect frame, NSView *theView, BOOL isSelected, BOOL isHighlighted){
         BFPageControl *aSelf = wSelf;
@@ -185,19 +191,15 @@ -(void)setCurrentPage:(NSInteger)currentPage
 
 -(void)setFrame: (NSRect)frameRect
 {
-    frameRect.size = [self sizeForNumberOfPages: _numberOfPages];
     [super setFrame: frameRect];
-
     [self updateCurrentPageDisplay];
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 -(void)setBounds: (NSRect)aRect
 {
-    aRect.size = [self sizeForNumberOfPages: _numberOfPages];
     [super setBounds: aRect];
-
     [self updateCurrentPageDisplay];
 }
 
@@ -284,4 +286,16 @@ -(void)setDrawingBlock: (void (^)(NSRect frame, NSView *inView, BOOL isSelected,
     [self updateCurrentPageDisplay];
 }
 
+//! size to fit the current setting
+- (NSSize)intrinsicContentSize {
+
+    NSSize size = _matrix.frame.size;
+    return size;
+
+}
+
+- (NSSize)fittingSize {
+    return [self intrinsicContentSize];
+}
+
 @end

Example/Example/AppDelegate.m

@@ -50,7 +50,8 @@ -(void)applicationDidFinishLaunching:(NSNotification *)aNotification
         [[NSBezierPath bezierPathWithOvalInRect: frame] stroke];
     }];
     [self.window.contentView addSubview: control];
-    [control setFrame: CGRectMake(frame.size.width / 2 - control.frame.size.width / 2, 50, 40, 40)];
+    CGSize size = [control intrinsicContentSize];
+    [control setFrame: CGRectMake((frame.size.width - size.width)/2, 50, size.width, size.height)];
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////