console

Documentation

Overview

Package console allows working with Linux consoles in graphics mode, typically for using the Linux frame buffer.

Index

• type Handle
  • func LeaseForGraphics() (*Handle, error)
  • func (h *Handle) Cleanup() error
  • func (h *Handle) Redraw() <-chan struct{}
  • func (h *Handle) Visible() bool

Types

type Handle

type Handle struct {
	// contains filtered or unexported fields
}

A Handle represents an active Linux console.

func LeaseForGraphics

func LeaseForGraphics() (*Handle, error)

LeaseForGraphics opens the next free Linux console in graphics mode. You must call Cleanup() when done to switch back to the previous Linux console.

func (*Handle) Cleanup

func (h *Handle) Cleanup() error

Cleanup switches the current console from graphics mode back to text mode, then switches to the previous console, and finally disallocates the console.

func (*Handle) Redraw

func (h *Handle) Redraw() <-chan struct{}

Redraw returns a channel that signals a redraw to the frame buffer is necessary because the user switched away and then returned to this Linux console.

func (*Handle) Visible

func (h *Handle) Visible() bool

Visible returns whether this Linux console is currently visible.