text_display

Documentation

Index

• Constants
• func PadSpace(b []byte, width uint32) []byte
• type Devicer
• type MockDevicer
  • func (self *MockDevicer) Clear()
  • func (self *MockDevicer) CursorYX(y, x uint8) bool
  • func (self *MockDevicer) Write(b []byte)
• type State
  • func (s *State) Clear()
  • func (s State) Copy() State
  • func (s State) Format(width uint32) string
  • func (s State) String() string
• type TextDisplay
  • func NewMockTextDisplay(opt *TextDisplayConfig) *TextDisplay
  • func NewTextDisplay(opt *TextDisplayConfig) (*TextDisplay, error)
  • func (self *TextDisplay) Clear()
  • func (self *TextDisplay) JustCenter(b []byte) []byte
  • func (self *TextDisplay) Message(s1, s2 string, wait func())
  • func (self *TextDisplay) PadRight(b []byte) []byte
  • func (self *TextDisplay) Run()
  • func (self *TextDisplay) SetCodepage(cp string) error
  • func (self *TextDisplay) SetDevice(dev Devicer)
  • func (self *TextDisplay) SetLines(line1, line2 string)
  • func (self *TextDisplay) SetLinesBytes(b1, b2 []byte)
  • func (self *TextDisplay) SetScrollDelay(d time.Duration)
  • func (self *TextDisplay) SetUpdateChan(ch chan<- State)
  • func (self *TextDisplay) State() State
  • func (self *TextDisplay) Tick()
  • func (self *TextDisplay) Translate(s string) []byte
• type TextDisplayConfig

Constants

const MaxWidth = 40

Functions

func PadSpace

func PadSpace(b []byte, width uint32) []byte

Types

type Devicer

type Devicer interface {
	Clear()
	// Control() Control
	// SetControl(new Control) Control
	CursorYX(y, x uint8) bool
	Write(b []byte)
}

type MockDevicer

type MockDevicer struct {
}

func (*MockDevicer) Clear

func (self *MockDevicer) Clear()

func (*MockDevicer) CursorYX

func (self *MockDevicer) CursorYX(y, x uint8) bool

func (*MockDevicer) Write

func (self *MockDevicer) Write(b []byte)

type State

type State struct {
	L1, L2 []byte
}

func (*State) Clear

func (s *State) Clear()

func (State) Copy

func (s State) Copy() State

func (State) Format

func (s State) Format(width uint32) string

func (State) String

func (s State) String() string

type TextDisplay

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

func NewMockTextDisplay

func NewMockTextDisplay(opt *TextDisplayConfig) *TextDisplay

func NewTextDisplay

func NewTextDisplay(opt *TextDisplayConfig) (*TextDisplay, error)

func (*TextDisplay) Clear

func (self *TextDisplay) Clear()

func (*TextDisplay) JustCenter

func (self *TextDisplay) JustCenter(b []byte) []byte

sometimes returns slice into shared spaceBytes sometimes returns `b` (len>=width-1) sometimes allocates new buffer

func (*TextDisplay) Message

func (self *TextDisplay) Message(s1, s2 string, wait func())

func (*TextDisplay) PadRight

func (self *TextDisplay) PadRight(b []byte) []byte

returns `b` when len>=width otherwise pads with spaces

func (*TextDisplay) Run

func (self *TextDisplay) Run()

func (*TextDisplay) SetCodepage

func (self *TextDisplay) SetCodepage(cp string) error

func (*TextDisplay) SetDevice

func (self *TextDisplay) SetDevice(dev Devicer)

func (*TextDisplay) SetLines

func (self *TextDisplay) SetLines(line1, line2 string)

func (*TextDisplay) SetLinesBytes

func (self *TextDisplay) SetLinesBytes(b1, b2 []byte)

nil: don't change len=0: set empty

func (*TextDisplay) SetScrollDelay

func (self *TextDisplay) SetScrollDelay(d time.Duration)

func (*TextDisplay) SetUpdateChan

func (self *TextDisplay) SetUpdateChan(ch chan<- State)

func (*TextDisplay) State

func (self *TextDisplay) State() State

func (*TextDisplay) Tick

func (self *TextDisplay) Tick()

func (*TextDisplay) Translate

func (self *TextDisplay) Translate(s string) []byte

type TextDisplayConfig

type TextDisplayConfig struct {
	Codepage    string
	ScrollDelay time.Duration
	Width       uint32
}