Some good ideas. I agree that GOP is basically a natural analogy to a tracking area already, so that might be a good place to look. Perhaps this can be rolled into the name canvas mechanism whereby a named canvas will receive mouse events when GOP is enabled?
> Hi Dan, thanks for looking into this! This is really, really needed. > > I think with the [mouse] object, [mousearea] can be easily created as a > subpatch with GOP enabled, so I don't think we need a dedicated GUI object > for that. > > regarding [cnv]: I think getting notifications for mouse clicks would be nice > (in the past, people have faked this by putting other GUI objects below the > canvas, but it's really clumsy). > > > Christof >> On Mar 17, 2019, at 1:38 PM, Dan Wilcox <[email protected]> wrote: >> >> That's a similar concept to Cocoa's NSTrackingArea. It's basically a >> rectangle in a view that you attach which then receives mouse enter, leave, >> move, down, up, & drag events. You can update the position and size whenever. >> >> https://developer.apple.com/documentation/appkit/nstrackingarea?language=objc >> >> <https://developer.apple.com/documentation/appkit/nstrackingarea?language=objc> >> >> I could imagine something similar in Pd, say a [mousearea] object. Also, >> updating [cnv] with similar functionality would be useful. [mousearea] could >> be used for arbitrary areas for control interaction and drawing of other >> objects while [cnv] could be used to create simple graphical regions for >> things like piano keys. I know there have been different approaches in this >> area, so it might be helpful to take a look (DesireData, PurrData, etc). >> >> I think this would complement a general, canvas wide set of [mouse] objects. >> I started by following the existing approach and split functionality into >> [mouse], [mouseup], and [mousemotion]. Another approach would be to use a >> single [mouse] object with a status symbol in addition to x & y. -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>
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