NSMatrix, NSCell, NSBrowser,NSBrowserCell proposed patch

[Sergii Stoian]

Hi,

I want to propose changes to gui-trunk (patch attached). In general
changes are touches NSMattrix and NSCell and is about drawing first
reponder indicator (dotted frame). What is done:

- NSCell is responsible for showing first responder state;
- Removed code from NSMatrix which sets attibute of cell to display
first responder state then draws cell and then set attibute to off;
- Removed code from NSBrowserCell which draws first responder indicator.

Before this patch (current SVN) NSCell draws first responder indicator
when it's selected (highlighted) and when it's not slected. That's why
NSMatrix and the like should switch on and off NSCell's attribute.

Please test the attached code. If there's no objections I'll commit
this code to the trunk.

--
Sergii Stoian, ProjectCenter maintainer

gui-trunk.patch
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