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PONSTableView's frame inside a NSClipView/NSScrollView using auto layout
 

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  1. PONSTableView's frame inside a NSClipView/NSScrollView using auto layout
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    <p>I'm trying to create a <code>NSTableView</code> inside a <code>NSScrollView</code> (the standard configuration, that is) in code, using auto layout. I can't figure out how to make this work.</p> <p>Here's my loadView:</p> <pre><code>- (void)loadView { NSView *view = [[NSView alloc] init]; NSScrollView *tableScroll = [[NSScrollView alloc] init]; NSTableView *fileTable = [[NSTableView alloc] init]; [tableScroll setDocumentView:fileTable]; [tableScroll setHasVerticalScroller:YES]; [tableScroll setHasHorizontalScroller:NO]; fileTable.delegate = self; fileTable.dataSource = self; [fileTable setHeaderView:nil]; [fileTable setAllowsColumnReordering:NO]; NSTableColumn *column = [[NSTableColumn alloc] initWithIdentifier:@"column1"]; [fileTable addTableColumn:column]; [tableScroll setTranslatesAutoresizingMaskIntoConstraints:NO]; [fileTable setTranslatesAutoresizingMaskIntoConstraints:NO]; [view addSubview:tableScroll]; NSDictionary *topViews = NSDictionaryOfVariableBindings(tableScroll); [view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[tableScroll]|" options:0 metrics:nil views:topViews]]; [view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"|[tableScroll]|" options:0 metrics:nil views:topViews]]; self.fileTable = fileTable; self.view = view; } </code></pre> <p>What happens is that my table view's frame will be always equal to the bounds of the <code>NSClipView</code>. The view is inside a window and gets resized with it, and when I do that it'll resize the scrollview, the clip view and the table, but I can never scroll anywhere.</p> <p>Looking at constraints I get, the <code>NSScrollView</code> gets constraints that set the clip view to fill it, the clip view has no constraints at all and the table view has a bunch of constraints related to the <code>NSTableRowViews</code> inside it.</p> <p>If I add a constraint like <code>|[fileTable(&gt;=500)]</code> to the clip view I'll get 500 pixels of NSTableView, but obviously I don't want to do that.</p>
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    1. USJuri Pakaste
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      1. PONSTableView's frame inside a NSClipView/NSScrollView using auto layout
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      1. PONSTableView's frame inside a NSClipView/NSScrollView using auto layout
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      1. PONSTableView's frame inside a NSClipView/NSScrollView using auto layout
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    1. COIf I set autoresizing mask for `tableScroll`, call `setTranslatesAutoresizingMaskIntoConstraints:YES` on `tableScroll` and `fileTable` and remove the two `addConstraints` calls, it works ok and I see `NSAutoresizingMaskLayoutConstraint` on the clip view that specify the exact size `fileTable` needs.
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      1. PONSTableView's frame inside a NSClipView/NSScrollView using auto layout
      1. USJuri Pakaste
 

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