Re: How to draw a rectangle around a (graph) view?
Re: How to draw a rectangle around a (graph) view?
- Subject: Re: How to draw a rectangle around a (graph) view?
- From: "Arthur C." <email@hidden>
- Date: Tue, 29 May 2007 23:19:20 +0200
From: Uli Kusterer <email@hidden>
To: I. Savant <email@hidden>
CC: "Arthur C." <email@hidden>, email@hidden
Subject: Re: How to draw a rectangle around a (graph) view?
Date: Sun, 27 May 2007 15:43:13 +0200
On 24.05.2007, at 23:16, I. Savant wrote:
On 5/24/07, Arthur C. <email@hidden> wrote:
This works OK, except for the case of a mouseclick inside the app window
but
not inside one of the graph views. In this case the selected views
should be
deselected, but how do I know when the mouseclick happens? It happens
outside the graph views so it should be handled outside of the graphview
code, right?
Why not forward the event along to your graph views, converting
coordinates as necessary?
I think a cleaner solution would be to just embed all the views in a
"background view" that implements mouseDown: and on a click loops over its
subviews, telling them to unselect.
Okay, but then you have to introduce a new NSView subclass... and how does
the responder chain work? Is the mouseclick only handled when it is outside
the graph (sub) views? If not, you need a lot of additional bookkeeping to
determine what to do in all the cases...
I tried something like [[[self window] contentView] setNextResponder: self],
but that resulted in a circular loop. I was hoping for a simple solution,
but if there is nothing else the background view looks like the best option.
Thanks,
Arthur C.
Cheers,
-- M. Uli Kusterer
http://www.zathras.de
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