Hi James, Very clever way of getting the boundaries of each cell! I was wondering if this was possible. I’ll take a shot at this and how far I get. Thanks!
bob. > On Nov 21, 2016, at 5:46 PM, James Walker <jam...@frameforge3d.com> wrote: > > On 11/20/2016 8:15 PM, Robert Monaghan wrote: >> I have been working on a custom UI for my Cocoa application. By looking >> around the internet, I have managed to learn how to subclass a large number >> of UI objects on MacOSX. In many cases I could make the appearance work the >> way I want. >> >> The last UI element that I am working on, is NSComboBoxCell. It appears to >> be a NSTextFieldCell with an NSButtonCell attached. It seems fairly easy to >> override >> “drawWithFrame:inView" and draw a replacement artwork. But there are a >> bunch of unknowns/pitfalls.. >> >> The part that I suspect that I have to subclass is the NSButtonCell that I >> believe is drawing the "Arrow Button”. >> But how is this done, along side the NSTextField that makes up the >> NSComboBoxCell class? When I look at the NSComboBoxCell header files, I >> don’t see any obvious clues to figure out the geometry of the NSButtonCell, >> that is apparently being used alongside the NSTextField, itself. >> >> Are there any ways to get to the NSButtonCell stored inside the >> NSComboBoxCell Object? (Ideally so that I can override and install my own >> NSButtonCell..) > > In my NSComboBoxCell subclass, I figured out where the "button" part ought to > be as follows: > > NSRect drawingRect = [self drawingRectForBounds: cellFrame]; > NSRect titleBounds = [self titleRectForBounds: drawingRect]; > NSRect buttonBounds = NSMakeRect( NSMaxX( titleBounds ), > NSMinY(drawingRect), > NSMaxX(drawingRect) - NSMaxX( titleBounds ), > NSHeight(drawingRect) ); > > And then I drew my own button content. > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/bob%40gluetools.com > > This email sent to b...@gluetools.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
