The notification's "object".
On Jun 26, 2014, at 12:44 PM, William Squires <[email protected]> wrote:
> Okay, now that my email works again... :)
> I can understand how to code my NSComboBox data source methods (my
> NSWindowController subclass is set as both the data source and the delegate),
> and the outlets set up as such in IB. The data source methods to implement:
>
> -(NSInteger)numberOfItemsInComboBox:(NSComboBox *)aComboBox;
> -(id)comboBox:(NSComboBox *)aComboBox
> objectValueForItemAtIndex:(NSInteger)index;
>
> both give me a reference to the NSComboBox in question. Easy enough.
>
> BUT... the delegate method (of interest):
>
> -(void)comboBoxSelectionDidChange:(NSNotification *)notification
>
> doesn't pass the reference to the NSComboBox whose selection changed, and
> I've got more than one on the window. How do I tell which combo box's
> selection changed? The language/SDK doc sets for "NSComboBox" are useless
> here, as they don't tell me what information the notification holds.
>
> Or, better yet, is there some way to use bindings to "tie" the NSComboBox
> (whose mode is select, rather than edit) to my controller's model's property
> (which is an enum that has a 1:1 correspondence between its enumeration
> values and the list index of the combo box in question?
>
> i.e. if I have a "typedef enum foo {selection1 = 0, selection2} FOO;" and an
> @property (nonatomic, assign) FOO myFooSelection; in a class whose instance
> the window controller exposes in its own @property. The window has an
> NSComboBox that has two items "selection1" and "selection2", whose list
> indices match the enumerated values.
>
>
>
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Scott Ribe
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