On Sep 3, 2008, at 12:27 AM, Corbin Dunn wrote:



On Sep 2, 2008, at 1:59 PM, Stéphane Sudre wrote:

I have some code that works OK on Tiger but does not on Leopard.

I have a NSTableView with a column whose data cell is a NSButtonCell subclass.

The NSButtonCell is set to be a checkbox/switchbox.

The subclass implements the following method:

- (BOOL) trackMouse:(NSEvent *)theEvent inRect:(NSRect)cellFrame ofView:(NSView *)controlView untilMouseUp:(BOOL)flag
{
        return YES;
}

in order to prevent clicks to be taken into account.


On Mac OS X 10.4.x, this works perfectly: you can't click the checkbox to change its value but you can initiate a drag by clicking on the checkbox.

On Mac OS X 10.5.x, this prevents the click but does not allow the drag operation to begin.


I've tried to play with the new NSTableViews methods in Leopard to deal with advanced tracking but this did not help. Either it's a regression or I'm not doing something correctly (I just hope it's the second case).


What could be done to make this work on Leopard?

The release notes should have covered this, but you want to implement this in 10.5 (only required if you are linking against 10.5 or higher):

I'm linking against 10.4 when developing on Tiger and against 10.5 when developing on Leopard. So I'm in the "only" case.

[...]


Return anything except trackable. This fixes it?

It does.

Thanks.



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