According to the release notes for 10.7, NSTableView should now support
contextual menus at the individual cell level:
> NSTableView/NSOutlineView - Contextual menu support
>
> NSTableView and NSOutlineView now have better contextual menu support. Please
> see the DragNDropOutlineView demo application for an example of how to
> properly do contextual menus with a TableView.
>
> The key thing to note is that clickedRow and clickedColumn will now both be
> valid when a contextual menu is popped up. In addition, one can dynamically
> set the popup menu for a particular cell/column in the delegate method
> willDisplayCell:. NSTableView handles this by properly overriding
> menuForEvent:, setting the clickedRow/clickedColumn, and calling [NSCell
> menuForEvent:inRect:ofView] to find the correct menu. If no menu was
> returned, the menu for the NSTableView will be used. If one right clicks on a
> selection of items, all the items are highlighted. One should check to see if
> clickedRow is one of the selected rows, and if it is then do the menu
> operation on all the selected rows. The clickedRow and clickedColumn
> properties will still be valid when the action is sent from the NSMenuItem.
>
But when I implement the method in my custom cell, though it's being called
correctly, -clickedRow and -clickedColumn are returning -1. As a result I
can't tell which row I right-clicked, so I can't process the menu further. Has
this change been revoked in 10.8 (which I'm using at the moment)?
Code:
- (NSMenu*) menuForEvent:(NSEvent *)event inRect:(NSRect)cellFrame
ofView:(NSView *)view
{
NSMenu* menu = nil;
if([view respondsToSelector:@selector(delegate)])
{
id tvDelegate = [(id)view delegate];
if([view isKindOfClass:[NSTableView class]] && [tvDelegate
respondsToSelector:@selector(contextualMenuForTableView:tableColumn:row:)])
{
NSTableView* tv = (NSTableView*) view;
NSInteger row, column;
row = [tv clickedRow];
column = [tv clickedColumn];
--Graham
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