On Jul 23, 2013, at 9:30 AM, Ken Thomases <[email protected]> wrote:
> On Jul 22, 2013, at 7:22 PM, Gordon Apple wrote: > >> Thanks for the direct reply. The summaries are few and far between, >> possibly a result of the dev-site outage. >> >> My speculation had to do with the highlighting I am trying to do. I >> currently support setting the background color of selected text. However, I >> would like to have the equivalent of a highlight pen, where the user selects >> a highlight color and then drags across the text. I cache the current >> selection highlight color, then change the selection highlight to the chosen >> color. The intent (not completely implemented yet) is, on mouseUp, to then >> set the background color, deselect the text, and restore normal >> highlighting. I have created an augmented iBeam cursor (including a color >> patch), but have had difficulty getting the text cursor to switch from the >> iBeam to mine. >> >> I was thinking that, if markedText worked the way I was speculating, maybe >> it would be a way to do the pen highlighting, and also allow all markings to >> be easily cleared for the entire text view, if desired. Thus, my other >> questions. > > I don't think you should attempt to use marked text for this purpose. > > Your code would not normally control which text is marked. This is normally > controlled by Cocoa and/or the input method. The text view implements the > methods of the NSTextInputClient protocol and through those methods, the > framework tells it which text should be marked and when the marking should be > cleared. > > Regards, > Ken > I'm in agreement here. You'll be better off to create a custom attributed string attribute if really necessary for design. That would enable you to quickly identify the ranges of your highlighter. _______________________________________________ Cocoa-dev mailing list ([email protected]) 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 [email protected]
