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POPDFView in Mavericks does not "Automatically scale" and always shows scrollbar
 

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  1. POPDFView in Mavericks does not "Automatically scale" and always shows scrollbar
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    <p>I am creating a OSX PDF viewer application. At the bottom there is a horizontal scroll bar so the user can easily scroll between pages. When scrolling there is a small preview window showing a preview of that page. This works fine under OSX 10.7 and 10.8 but in Mavericks 10.9 the "Automatically scale" option does seem to loose its effect. There is also a scrollbar (even if setting the scale to a value that does not require a scrollbar).</p> <p>Any ideas on how to solve this?</p> <p>OSX 10.7 and 10.8:</p> <p><img src="https://i.stack.imgur.com/A5sqM.png" alt="OSX 10.7 and 10.8"></p> <p>OSX Mavericks: </p> <p><img src="https://i.stack.imgur.com/RMnHo.png" alt="OSX Mavericks"></p> <p>Code for setting up the view:</p> <pre><code>- (void)awakeFromNib { [super awakeFromNib]; [_pdfView setAutoScales:YES]; [_pdfView setDisplayMode:kPDFDisplayTwoUp]; [_pdfView setDisplaysPageBreaks:NO]; [self setWantsLayer:YES]; } - (void)drawRect:(NSRect)dirtyRect { [super drawRect:dirtyRect]; CGContextRef context = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort]; CGContextSetRGBFillColor(context, 0.227,0.251,0.337,0.8); CGContextFillRect(context, NSRectToCGRect(dirtyRect)); } </code></pre> <p>The view structure from <code>po [self.previewView _subtreeDescription]</code>:</p> <pre><code>$0 = 0x0000000113dcd280 [ A WLU#] h=&amp;-&amp; v=--&amp; IBPreviewView 0x119554760 f=(730.097,47,300,200) b=(-) =&gt; &lt;_NSViewBackingLayer: 0x110a5b800&gt; TIME drawRect: min/mean/max 0.00/0.00/0.00 ms [ O WlU ] h=-&amp;- v=-&amp;- PDFView 0x104cb9c20 f=(10,60,280,130) b=(-) =&gt; &lt;_NSViewBackingLayer: 0x114e311a0&gt; TIME drawRect: min/mean/max 0.00/0.00/0.00 ms [ AF O wlU ] h=--- v=--- PDFViewScrollView 0x110a36c60 f=(0,0,280,130) b=(-) =&gt; &lt;_NSViewBackingLayer: 0x110a374a0&gt; TIME drawRect: min/mean/max 0.00/0.00/0.00 ms [ AF O wlU ] h=--- v=--- PDFCenteringClipView 0x110a2ba30 f=(0,0,265,130) b=(0.5,0,-,-) =&gt; &lt;_NSClipViewBackingLayer: 0x110a42b70&gt; TIME drawRect: min/mean/max 0.00/0.00/0.00 ms [ AF O WLU ] h=--- v=--- PDFMatteView 0x110a28730 f=(0,0,980,683) b=(-) =&gt; &lt;_NSViewBackingLayer: 0x110a3b600&gt; TIME drawRect: min/mean/max 0.00/0.00/0.00 ms [ A LU ] h=--- v=--- PDFDisplayView 0x114e309b0 f=(0,0,980,683) b=(-) TIME drawRect: min/mean/max 0.00/0.00/0.00 ms [ AF wlU ] h=--- v=--- NSScroller 0x100766e50 f=(265,0,15,130) b=(-) =&gt; &lt;_NSViewBackingLayer: 0x100766e20&gt; TIME drawRect: min/mean/max 0.00/0.00/0.00 ms [ AF wlU ] h=-&amp;- v=-&amp;- NSTextField 0x104c87110 f=(7,27,286,25) b=(-) =&gt; &lt;_NSViewBackingLayer: 0x110a5b910&gt; TIME drawRect: min/mean/max 0.00/0.00/0.00 ms [ AF wlU ] h=-&amp;- v=-&amp;- NSTextField 0x110a2ef60 "76 av 152" f=(89,0,115,25) b=(-) =&gt; &lt;_NSViewBackingLayer: 0x110a5b970&gt; TIME drawRect: min/mean/max 0.00/0.00/0.00 ms A=autoresizesSubviews, C=canDrawConcurrently, D=needsDisplay, F=flipped, G=gstate, H=hidden (h=by ancestor), L=needsLayout (l=child needsLayout), U=needsUpdateConstraints (u=child needsUpdateConstraints), O=opaque, P=preservesContentDuringLiveResize, S=scaled/rotated, W=wantsLayer (w=ancestor wantsLayer), #=has surface </code></pre> <p>I have also tested with <code>setNeedsLayout:YES</code> and <code>setNeedsDisplay:YES</code> on both _pdfView and self without any change.</p> <p>Any suggestions?</p>
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    1. COSame problem. However, when I resize the window, it automatically scales.
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