For posterity, if anyone needs the answer to this, I discovered that I need to
also over-ride needsPanelToBecomeKey to return YES so that a mouse-click can
give focus to the control. I found this in the ClockControl example, I'd not
seen that method before.
Toby
On 5 May 2011, at 23:40, Wood, Tobias C wrote:
> Hello,
> I am trying to create a simple NSControl sub-class that will respond to mouse
> clicks and key presses, however I cannot get it to take First Responder
> status despite having over-ridden acceptsFirstResponder to return YES. If I
> place breakpoints in acceptsFirstResponder and becomeFirstResponder then
> acceptsFirstResponder is called, returns YES, but becomeFirstResponder never
> gets called and so the class never receives a keyDown message. Mouse-down
> messages are received correctly. My current implementation is below, am I
> missing something simple?
> Thanks in advance,
> Toby Wood
>
> @implementation testControl
> + (Class)cellClass
> { return [NSActionCell class]; }
>
> - (BOOL)acceptsFirstResponder
> { return YES; }
>
> - (BOOL)becomeFirstResponder
> {
> [super becomeFirstResponder];
> NSLog(@"Became first responder.");
> return YES;
> }
>
> - (void)drawRect:(NSRect)dirtyRect {
> // Drawing code here.
> NSRect bounds = [self bounds];
> [[NSColor whiteColor] set];
> [NSBezierPath fillRect:bounds];
> }
>
> - (void)keyDown:(NSEvent *)theEvent
> { NSLog(@"Got a key."); }
>
> - (void)mouseDown:(NSEvent *)theEvent
> {
> NSLog(@"Got a mouse down.");
> [NSApp sendAction:[self action] to:[self target] from:self];
> }
> @end_______________________________________________
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