[Resending this as a later email I sent was delivered but this wasn't;
sorry if you receive a duplicate copy.]
In Leopard, checkboxes in my NSOutlineViews get keyboard focus when I
press Tab. I don't want this to happen.
The AppKit release notes <http://developer.apple.com/releasenotes/Cocoa/AppKit.html
> state:
Tables now support inter-cell navigation as follows:
- Tabbing forward to a table focuses the entire table.
- Hitting Space will attempt to 'performClick:' on a NSButtonCell in
the selected row, if there is only one instance in that row.
So far, so good.
- Tabbing again focuses the first "focusable" (1) cell, if there is
one.
I don't want the NSButtonCell to ever get focus.
(1) A focusable cell is generally defined as [cell isEnabled] &&
[cell isSelectable] in a table column that is editable. However,
NSTextFieldCells also check if the row is selectable, and
tableView:shouldEditTableColumn:row: returns YES (if implemented by
the delegate). NSImageCells cannot be focused. NSButtonCells only
check if the [cell isEnabled].
Disabling the NSButtonCell is not feasible; I want it to be operable.
I've tried a number of things that don't help, including:
1. [checkBoxColumn setEditable: NO];
2. [checkBoxCell setEditable: NO];
3. [checkBoxCell setRefusesFirstResponder: YES];
4. - (BOOL)outlineView:(NSOutlineView *)ov shouldTrackCell:(NSCell
*)cell forTableColumn:(NSTableColumn *)column item:(id)item {
return NO;
}
5. - (BOOL)outlineView:(NSOutlineView *)outlineView
shouldEditTableColumn:(NSTableColumn *)tableColumn item:(id)item {
return NO;
}
6. - (BOOL)outlineView:(NSOutlineView *)outlineView
shouldSelectTableColumn:(NSTableColumn *)tableColumn {
return NO;
}
(a long shot, certainly)
7. overriding keyDown: in the outline view to intercept Tab, which
works fine, except...
- Back tabbing into a table will select the last focusable cell.
and I can't figure out how to stop that from happening.
Help?
--
Nicholas Riley <[EMAIL PROTECTED]> | <http://www.uiuc.edu/ph/www/njriley>
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