hexdumper2

Documentation

Overview

Package hexdumper2 provides a widget which displays selectable hexdump-like output. Because it's built for termshark, it also allows styling to be applied to ranges of data intended to correspond to packet structure selected in another termshark view.

Index

• type CanvasSlice
  • func NewCanvasSlice(c *gowid.Canvas, xoff, yoff int) CanvasSlice
  • func (c CanvasSlice) BoxColumns() int
  • func (c CanvasSlice) BoxRows() int
  • func (c CanvasSlice) CellAt(col, row int) gowid.Cell
  • func (c CanvasSlice) ImplementsWidgetDimension()
  • func (c CanvasSlice) SetCellAt(col, row int, cell gowid.Cell)
  • func (c CanvasSlice) Write(p []byte) (n int, err error)
• type LayerStyler
• type Options
• type PositionChangedCB
• type Widget
  • func New(data []byte, opts ...Options) *Widget
  • func (w *Widget) Clips(app gowid.IApp) []gowid.ICopyResult
  • func (w *Widget) CopyModeLevels() int
  • func (w *Widget) CursorSelected() string
  • func (w *Widget) CursorUnselected() string
  • func (w *Widget) Data() []byte
  • func (t *Widget) Down(lines int, size gowid.IRenderSize, app gowid.IApp)
  • func (t *Widget) DownPage(num int, size gowid.IRenderSize, app gowid.IApp)
  • func (t *Widget) GoHome(size gowid.IRenderSize, app gowid.IApp)
  • func (t *Widget) GoToEnd(size gowid.IRenderSize, app gowid.IApp)
  • func (w *Widget) Layers() []LayerStyler
  • func (w *Widget) LineNumSelected() string
  • func (w *Widget) LineNumUnselected() string
  • func (w *Widget) OnPositionChanged(f gowid.IWidgetChangedCallback)
  • func (w *Widget) Position() int
  • func (w *Widget) RemoveOnPositionChanged(f gowid.IIdentity)
  • func (w *Widget) Render(size gowid.IRenderSize, focus gowid.Selector, app gowid.IApp) gowid.ICanvas
  • func (w *Widget) RenderSize(size gowid.IRenderSize, focus gowid.Selector, app gowid.IApp) gowid.IRenderBox
  • func (t *Widget) ScrollLength() int
  • func (t *Widget) ScrollPosition() int
  • func (w *Widget) SetData(data []byte, app gowid.IApp)
  • func (w *Widget) SetLayers(layers []LayerStyler, app gowid.IApp)
  • func (t *Widget) SetPos(pos list.IBoundedWalkerPosition, app gowid.IApp)
  • func (w *Widget) SetPosition(pos int, app gowid.IApp)
  • func (w *Widget) String() string
  • func (t *Widget) Up(lines int, size gowid.IRenderSize, app gowid.IApp)
  • func (t *Widget) UpPage(num int, size gowid.IRenderSize, app gowid.IApp)
  • func (w *Widget) UserInput(ev interface{}, size gowid.IRenderSize, focus gowid.Selector, app gowid.IApp) bool

Types

type CanvasSlice

type CanvasSlice struct {
	C       *gowid.Canvas
	XOffset int
	YOffset int
}

func NewCanvasSlice

func NewCanvasSlice(c *gowid.Canvas, xoff, yoff int) CanvasSlice

func (CanvasSlice) BoxColumns

func (c CanvasSlice) BoxColumns() int

func (CanvasSlice) BoxRows

func (c CanvasSlice) BoxRows() int

func (CanvasSlice) CellAt

func (c CanvasSlice) CellAt(col, row int) gowid.Cell

func (CanvasSlice) ImplementsWidgetDimension

func (c CanvasSlice) ImplementsWidgetDimension()

func (CanvasSlice) SetCellAt

func (c CanvasSlice) SetCellAt(col, row int, cell gowid.Cell)

func (CanvasSlice) Write

func (c CanvasSlice) Write(p []byte) (n int, err error)

type LayerStyler

type LayerStyler struct {
	Start         int
	End           int
	ColUnselected string
	ColSelected   string
}

type Options

type Options struct {
	StyledLayers      []LayerStyler
	CursorUnselected  string
	CursorSelected    string
	LineNumUnselected string
	LineNumSelected   string
	PaletteIfCopying  string
	DownKeys          []vim.KeyPress
	UpKeys            []vim.KeyPress
	LeftKeys          []vim.KeyPress
	RightKeys         []vim.KeyPress
}

type PositionChangedCB

type PositionChangedCB struct{}

type Widget

type Widget struct {
	gowid.AddressProvidesID
	styled.UsePaletteIfSelectedForCopy
	Callbacks *gowid.Callbacks
	gowid.IsSelectable
	// contains filtered or unexported fields
}

func New

func New(data []byte, opts ...Options) *Widget

func (*Widget) Clips

func (w *Widget) Clips(app gowid.IApp) []gowid.ICopyResult

func (*Widget) CopyModeLevels

func (w *Widget) CopyModeLevels() int

func (*Widget) CursorSelected

func (w *Widget) CursorSelected() string

func (*Widget) CursorUnselected

func (w *Widget) CursorUnselected() string

func (*Widget) Data

func (w *Widget) Data() []byte

func (*Widget) Down

func (t *Widget) Down(lines int, size gowid.IRenderSize, app gowid.IApp)

Can leave the cursor out of sight

func (*Widget) DownPage

func (t *Widget) DownPage(num int, size gowid.IRenderSize, app gowid.IApp)

func (*Widget) GoHome

func (t *Widget) GoHome(size gowid.IRenderSize, app gowid.IApp)

Adjusts cursor pos too

func (*Widget) GoToEnd

func (t *Widget) GoToEnd(size gowid.IRenderSize, app gowid.IApp)

func (*Widget) Layers

func (w *Widget) Layers() []LayerStyler

func (*Widget) LineNumSelected

func (w *Widget) LineNumSelected() string

func (*Widget) LineNumUnselected

func (w *Widget) LineNumUnselected() string

func (*Widget) OnPositionChanged

func (w *Widget) OnPositionChanged(f gowid.IWidgetChangedCallback)

func (*Widget) Position

func (w *Widget) Position() int

func (*Widget) RemoveOnPositionChanged

func (w *Widget) RemoveOnPositionChanged(f gowid.IIdentity)

func (*Widget) Render

func (w *Widget) Render(size gowid.IRenderSize, focus gowid.Selector, app gowid.IApp) gowid.ICanvas

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0670   6f 77 69 64 2e 57 69 74  68 4b 56 73 28 4f 70 65   owid.Wit hKVs(Ope
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06b0   3a 20 6e 65 77 73 74 64  69 6e 2c 0a 09 09 09 09   : newstd in,.....

func (*Widget) RenderSize

func (w *Widget) RenderSize(size gowid.IRenderSize, focus gowid.Selector, app gowid.IApp) gowid.IRenderBox

func (*Widget) ScrollLength

func (t *Widget) ScrollLength() int

Implement withscrollbar.IScrollValues

func (*Widget) ScrollPosition

func (t *Widget) ScrollPosition() int

Implement withscrollbar.IScrollValues

func (*Widget) SetData

func (w *Widget) SetData(data []byte, app gowid.IApp)

func (*Widget) SetLayers

func (w *Widget) SetLayers(layers []LayerStyler, app gowid.IApp)

func (*Widget) SetPos

func (t *Widget) SetPos(pos list.IBoundedWalkerPosition, app gowid.IApp)

Implements withscrollbar.iSetPosition. Note that position is a row.

func (*Widget) SetPosition

func (w *Widget) SetPosition(pos int, app gowid.IApp)

func (*Widget) String

func (w *Widget) String() string

func (*Widget) Up

func (t *Widget) Up(lines int, size gowid.IRenderSize, app gowid.IApp)

Can leave the cursor out of sight

func (*Widget) UpPage

func (t *Widget) UpPage(num int, size gowid.IRenderSize, app gowid.IApp)

func (*Widget) UserInput

func (w *Widget) UserInput(ev interface{}, size gowid.IRenderSize, focus gowid.Selector, app gowid.IApp) bool