termui/backend.go

36 lines
770 B
Go

// Copyright 2017 Zack Guo <zack.y.guo@gmail.com>. All rights reserved.
// Use of this source code is governed by a MIT license that can
// be found in the LICENSE file.
package termui
import (
tb "github.com/nsf/termbox-go"
)
// Init initializes termbox-go and is required to render anything.
// After initialization, the library must be finalized with `Close`.
func Init() error {
if err := tb.Init(); err != nil {
return err
}
tb.SetInputMode(tb.InputEsc | tb.InputMouse)
tb.SetOutputMode(tb.Output256)
return nil
}
// Close closes termbox-go.
func Close() {
tb.Close()
}
func TerminalDimensions() (int, int) {
tb.Sync()
width, height := tb.Size()
return width, height
}
func Clear() {
tb.Clear(tb.ColorDefault, tb.Attribute(Theme.Default.Bg+1))
}