use tcell via porting over code from awesome-gocui

vendor/github.com/gdamore/tcell/v2/terms_dynamic.go

@@ -0,0 +1,37 @@
+// +build !tcell_minimal,!nacl,!js,!zos,!plan9,!windows,!android
+
+// Copyright 2019 The TCell Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use file except in compliance with the License.
+// You may obtain a copy of the license at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package tcell
+
+import (
+	// This imports a dynamic version of the terminal database, which
+	// is built using infocmp.  This relies on a working installation
+	// of infocmp (typically supplied with ncurses).  We only do this
+	// for systems likely to have that -- i.e. UNIX based hosts.  We
+	// also don't support Android here, because you really don't want
+	// to run external programs there.  Generally the android terminals
+	// will be automatically included anyway.
+	"github.com/gdamore/tcell/v2/terminfo"
+	"github.com/gdamore/tcell/v2/terminfo/dynamic"
+)
+
+func loadDynamicTerminfo(term string) (*terminfo.Terminfo, error) {
+	ti, _, e := dynamic.LoadTerminfo(term)
+	if e != nil {
+		return nil, e
+	}
+	return ti, nil
+}