TextField typing while updating in other process: crash

[rcoreilly]

cd /Users/oreilly/ccngit/bg/sims/bgate (from: {FileDirPath}) panic: runtime error: slice bounds out of range [3:1]

goroutine 50 [running]: github.com/goki/gi/gi.(*TextField).InsertAtCursor(0xc00021aa00, 0x62b55c1, 0x1) /Users/oreilly/go/src/github.com/goki/gi/gi/textfield.go:622 +0x489 github.com/goki/gi/gi.(*TextField).KeyInput(0xc00021aa00, 0xc014c06690) /Users/oreilly/go/src/github.com/goki/gi/gi/textfield.go:1226 +0x1ca github.com/goki/gi/gi.(*TextField).KeyChordEvent.func1(0x5512f40, 0xc00021aa00, 0x5513fc0, 0xc000deb000, 0x7, 0x50fe7e0, 0xc014c06690) /Users/oreilly/go/src/github.com/goki/gi/gi/textfield.go:1326 +0x8a github.com/goki/gi/gi.(*WinEventRecv).Call(0xc00560bd28, 0x5513fc0, 0xc000deb000, 0x7, 0x50fe7e0, 0xc014c06690) /Users/oreilly/go/src/github.com/goki/gi/gi/events.go:116 +0x8c github.com/goki/gi/gi.(*EventMgr).SendEventSignal(0xc000deb198, 0x54bb1a0, 0xc014c06690, 0x1) /Users/oreilly/go/src/github.com/goki/gi/gi/events.go:225 +0x39a github.com/goki/gi/gi.(*Window).ProcessEvent(0xc000deb000, 0x54bb1a0, 0xc014c06690) /Users/oreilly/go/src/github.com/goki/gi/gi/window.go:1534 +0x8d1 github.com/goki/gi/gi.(*Window).EventLoop(0xc000deb000) /Users/oreilly/go/src/github.com/goki/gi/gi/window.go:1456 +0x36 github.com/goki/gi/gi.(*Window).StartEventLoop(0xc000deb000) /Users/oreilly/go/src/github.com/goki/gi/gi/window.go:854 +0x6d main.mainrun() /Users/oreilly/ccngit/bg/sims/bgate/bgate.go:1060 +0x6b main.main.func1() /Users/oreilly/ccngit/bg/sims/bgate/bgate.go:40 +0x20 github.com/goki/gi/gimain.Main.func1(0x54cfc00, 0x6946800) /Users/oreilly/go/src/github.com/goki/gi/gimain/gimain.go:31 +0x24 github.com/goki/gi/oswin/driver/glos.Main.func1() /Users/oreilly/go/src/github.com/goki/gi/oswin/driver/glos/app.go:87 +0x40 created by github.com/goki/gi/oswin/driver/glos.Main /Users/oreilly/go/src/github.com/goki/gi/oswin/driver/glos/app.go:86 +0x87

/Users/oreilly/ccngit/bg/sims/bgate/bgate failed at: Fri Jul 10 18:05:33 PDT 2020 with error: exit status 2