tree 6e017b3c11b32d5b834f12f6538623ea55396bfc
parent 0d45604e75de294231e0bc8b80ce321384285681
author David Crawshaw <crawshaw@golang.org> 1444161473 -0400
committer David Crawshaw <crawshaw@golang.org> 1444246912 +0000

event/paint: mark paint events sent by the system

A paint.Event now has an External field. Whenever a paint event is
sent by the x/mobile/app package, it is marked as external so users
with an active paint loop can ignore them.

Implemented on OS X and Android, with examples updated.

Change-Id: Ibee8d65625c8818ff954936be48257ad30daa147
Reviewed-on: https://go-review.googlesource.com/15480
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>