It's definitely a bug in AppKit; thank you for logging it, and including a test
case.
Try setting -setAllowsColumnSelection:NO. That work?
corbin
On Jan 28, 2010, at 2:00 PM, Daniel Wambold wrote:
> I have run up against an apparent 10.6.2 bug in the NSTableView object.
> Specifically, if NSTableViewSelectionHighlightStyleNone is set, the tableView
> causes Assertion failures and other problems. Below is some code
> demonstrating the problem. In any event, I need to emulate the None style for
> highlight in my TableView. Does anyone know how to set the highlight color,
> perhaps, to clearColor or something with a tiny alpha value so it
> approximates the None appearance? I can live with undocumented changes, as
> the program will run on a system with a fixed OS, and I can un-hack the
> NSTableView when the problem is repaired. (Radar ID# 7588256). If I've done
> something wrong and this code is the problem, please tell me, as I'm sort of
> stuck for now.
> Thanks!
> -Dan
>
> Sample code: create a new Cocoa project, drag a tableView into IB, wire it to
> your controller. When you add a row, click on the header, then on the
> tableView cell. If you comment out the highlightStyle line, this aberrant
> behavior disappears.
>
> @implementation MArrayCont
>
> - (void)awakeFromNib
> {
> mColTitles = [[NSArray arrayWithObjects:@"One", @"Two", nil] retain];
> NSArray *mCols = [myTableView tableColumns];
> int i=0;
> for (NSTableColumn *aCol in mCols)
> {
> [aCol bind:@"value" toObject:self
> withKeyPath:[NSString stringWithFormat:@"arrangedObjects.%@",
> [mColTitles objectAtIndex:i]]
> options:nil];
> i++;
> }
> [myTableView
> setSelectionHighlightStyle:NSTableViewSelectionHighlightStyleNone];
>
> }
>
> - (IBAction)add:(id)sender
> {
> NSMutableDictionary *mNewRow = [[[NSMutableDictionary alloc] init]
> autorelease];
> int i=[[self content] count]; // Just provides some
> uniqueness to each entry.
> for (NSString *aColTitle in mColTitles)
> {
> [mNewRow setObject:[NSString stringWithFormat:@"%i: %@",i,
> aColTitle] forKey:aColTitle];
> }
> [self addObject:mNewRow];
> }
>
> - (void)dealloc
> {
> [mColTitles release];
> [super dealloc];
> }
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