Hello all,
Executive summary: I have an NSTextField in an NSPanel which, under
certain circumstances, doesn't receive mouseDowns anymore.
Specifically, this happens after I end editing with Enter (instead of
Tab)
Background: I am using NSPanel to make a "tool window" for my app.
This window contains a few buttons, sliders, and an NSTextField. I
wanted this window to avoid becoming key, so that the user can select
a new tool on this window without her main window losing focus and her
having to select it again. I managed to get the right behavior by
overriding canBecomeKeyWindow and returning NO. All buttons and
sliders were fully operable this way.
Until I added an NSTextField, which obviously needs its containing
window to be the key window to work. I couldn't get this combination
of requirements implemented successfully, so I solved it partially by
making my own textfield and panel subclasses; when the textfield gets
a mouseDown, I send a "focusRequested" message to its panel, which
then sets a boolean ivar, like so:
- (BOOL)canBecomeKeyWindow {
return m_focusRequested;
}
- (void)requestFocus {
m_focusRequested = YES;
}
- (void)resignFocus {
m_focusRequested = NO;
}
In the textfield, when it gets a textDidEndEditing message, I send
"resignFocus" to the panel. This works.
But: if I cause editing to end by pressing the Enter key (instead of
Tab), and then give another window the focus, clicking on the
textfield doesn't cause a mouseDown to be receive anymore. The
contents of the textfield stay selected (the focus ring is, of course,
gone). Therefore, my panel keeps returning NO from canBecomeKeyWindow
because it never got a focusRequested message.
Apologies for the long post, but I wanted to make sure I'm approaching
this the right way.
I also overrode acceptsFirstMouse in my textfield, returning YES, but
that doesn't make a difference.
Thanks for any insights,
regards,
Sander
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