Hi all,
Got a weird one here, which has me slightly mystified.
I have a straightforward sheet containing a table and some buttons. First time
I show it, it comes up fine and works as it should. All subsequent times, the
whole interface is disabled except for the default button, so I can close it
but I can't do anything in it. I'm not using bindings and the code is very
straightforward:
// this is the method that shows the sheet:
- (void) beginAttributeEditSheetForParent:(NSWindow*) parentWindow
withDelegate:(id) aDelegate
{
[self setDelegate:aDelegate];
[NSApp beginSheet:[self window]
modalForWindow:parentWindow
modalDelegate:self
didEndSelector:@selector(sheetDidEnd:returnCode:contextInfo:)
contextInfo:NULL];
}
// this is the default button's action method:
- (IBAction) closeAction:(id) sender
{
#pragma unused(sender)
[NSApp endSheet:[self window] returnCode:NSOKButton];
}
// and this is the completion method:
- (void) sheetDidEnd:(NSPanel*) sheet returnCode:(NSInteger) returnCode
contextInfo:(void*) contextInfo
{
#pragma unused(returnCode, contextInfo)
[self setDelegate:nil];
[sheet orderOut:self];
}
// this is the caller which is in a subclass of NSDocument
- (IBAction) editLayerAttributesAction:(id) sender
{
#pragma unused(sender)
if( mAttrEditorController == nil )
mAttrEditorController = [[DKOAttributeWindowController alloc]
init];
[mAttrEditorController beginAttributeEditSheetForParent:[self
windowForSheet] withDelegate:self];
}
The controller is 'File's Owner' of the nib that contains the panel and is
retained by the document. The nib name is supplied by the controller's
-windowNibName method.
Other similar sheets work in exactly the same way and don't exhibit this
problem. Any idea what's going on?
--Graham
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