ui

package
v0.0.0-...-16f148f Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Feb 22, 2018 License: AGPL-3.0 Imports: 7 Imported by: 0

Documentation

Index

Constants

View Source 
const Tau = math.Pi * 2

Variables

This section is empty.

Functions

func Draw 

func Draw(travCtx TraversalContext, root interface{}, ctx *Context2D)

func Edit 

func Edit(base string, keycode string, key string) string

func IsVecOutside 

func IsVecOutside(vec, size vec2.Vec2) bool

func NoopExit 

func NoopExit(WidgetPath)

func PickOption 

func PickOption(options []OptionContext, keycode string, key string) (WidgetPath, Option)

func ToLocal 

func ToLocal(m TextMeasurer, path WidgetPath, v vec2.Vec2) vec2.Vec2

func Walk 

func Walk(start interface{}, enter EnterCallback, exit ExitCallback)

func WalkAtPoint 

func WalkAtPoint(m TextMeasurer, start interface{}, point vec2.Vec2, callback func(WidgetPath, vec2.Vec2) WalkAction)

Types

type Action 

type Action interface {
	Move(TouchContext) Action
	End(TouchContext)
}

type Box 

type Box struct {
	Top, Right, Bottom, Left float64
}

func (Box) Contains 

func (box Box) Contains(v vec2.Vec2) bool

func (Box) Grow 

func (box Box) Grow(x float64) Box

func (Box) Height 

func (box Box) Height() float64

func (Box) Width 

func (box Box) Width() float64

type Context2D 

type Context2D struct {
	// contains filtered or unexported fields
}

func MakeContext2D 

func MakeContext2D(m TextMeasurer) Context2D

func (*Context2D) Arc 

func (ctx *Context2D) Arc(x, y, r, alpha, beta float64, anticlockwise bool)

func (*Context2D) Arrow 

func (ctx *Context2D) Arrow(size float64)

func (*Context2D) BeginPath 

func (ctx *Context2D) BeginPath()

func (*Context2D) Circle 

func (ctx *Context2D) Circle(pos vec2.Vec2, radius float64)

func (*Context2D) Clip 

func (ctx *Context2D) Clip()

func (*Context2D) ClosePath 

func (ctx *Context2D) ClosePath()

func (*Context2D) Ellipse 

func (ctx *Context2D) Ellipse(x, y, rx, ry, rotation, alpha, beta float64, anticlockwise bool)

func (*Context2D) Fill 

func (ctx *Context2D) Fill()

func (*Context2D) FillRect 

func (ctx *Context2D) FillRect(x, y, w, h float64)

func (*Context2D) FillStyle 

func (ctx *Context2D) FillStyle(fill string)

func (*Context2D) FillText 

func (ctx *Context2D) FillText(text string, x, y float64)

func (*Context2D) Font 

func (ctx *Context2D) Font(font string)

func (*Context2D) Hourglass 

func (ctx *Context2D) Hourglass(color string)

func (*Context2D) LineTo 

func (ctx *Context2D) LineTo(x, y float64)

func (*Context2D) LineTo2 

func (ctx *Context2D) LineTo2(pos vec2.Vec2)

func (*Context2D) LineWidth 

func (ctx *Context2D) LineWidth(w float64)

func (*Context2D) MarshalJSON 

func (ctx *Context2D) MarshalJSON() ([]byte, error)

func (*Context2D) MeasureText 

func (ctx *Context2D) MeasureText(text string) float64

func (*Context2D) MoveTo 

func (ctx *Context2D) MoveTo(x, y float64)

func (*Context2D) MoveTo2 

func (ctx *Context2D) MoveTo2(pos vec2.Vec2)

func (*Context2D) Rect 

func (ctx *Context2D) Rect(x, y, w, h float64)

func (*Context2D) Rect2 

func (ctx *Context2D) Rect2(box Box)

func (*Context2D) Restore 

func (ctx *Context2D) Restore()

func (*Context2D) Rotate 

func (ctx *Context2D) Rotate(alpha float64)

func (*Context2D) Save 

func (ctx *Context2D) Save()

func (*Context2D) Scale 

func (ctx *Context2D) Scale(s float64)

func (*Context2D) SetLineDash 

func (ctx *Context2D) SetLineDash(pattern []float64)

func (*Context2D) Stroke 

func (ctx *Context2D) Stroke()

func (*Context2D) StrokeStyle 

func (ctx *Context2D) StrokeStyle(style string)

func (*Context2D) TextAlign 

func (ctx *Context2D) TextAlign(align string)

func (*Context2D) TextBaseline 

func (ctx *Context2D) TextBaseline(baseline string)

func (*Context2D) Transform 

func (ctx *Context2D) Transform(m matrix.Matrix)

func (*Context2D) Translate 

func (ctx *Context2D) Translate(x, y float64)

func (*Context2D) Translate2 

func (ctx *Context2D) Translate2(pos vec2.Vec2)

type Drawable 

type Drawable interface {
	Draw(*Context2D)
}

type EditOption 

type EditOption struct {
	EditStatus EditStatus
	Editable   Editable
}

func (EditOption) Activate 

func (o EditOption) Activate(TouchContext) Action

func (EditOption) IsEditing 

func (o EditOption) IsEditing() bool

func (EditOption) Keycode 

func (EditOption) Keycode() string

func (EditOption) Name 

func (EditOption) Name() string

type EditStatus 

type EditStatus interface {
	IsEditing(Editable) bool
	ToggleEditing(Editable)
}

type Editable 

type Editable interface {
	Sized
	GetText() string
	SetText(string)
}

type EnterCallback 

type EnterCallback func(WidgetPath) WalkAction

type ExitCallback 

type ExitCallback func(WidgetPath)
type Menu struct {
	// contains filtered or unexported fields
}
func (m *Menu) ChooseOption(angle float64) Option
func (m *Menu) Draw(ctx *Context2D)
func (m *Menu) End(ctx TouchContext)
func (m *Menu) LoopOptions(cb func(o Option, alpha, beta float64))

alpha ∈ [0,Tau); beta > alpha 

func (m *Menu) Move(ctx TouchContext) Action
func (m *Menu) Transform(TextMeasurer) matrix.Matrix
type MenuLayer struct {
	// contains filtered or unexported fields
}

func MakeMenuLayer 

func MakeMenuLayer() MenuLayer
func (l *MenuLayer) Children() (children []interface{})
func (l *MenuLayer) OpenMenu(ctx TouchContext, opts []OptionContext) *Menu
type MenuRoot interface {
	GetMenuLayer() *MenuLayer
}

type Option 

type Option interface {
	Name() string
	Keycode() string
	Activate(TouchContext) Action
}

type OptionContext 

type OptionContext struct {
	Path    WidgetPath
	Options []Option
}

func QueryOptions 

func QueryOptions(travCtx TraversalContext, root interface{}, v vec2.Vec2) []OptionContext

type Parent 

type Parent interface {
	Children() []interface{} // stable back-to-front order
}

type PostDrawable 

type PostDrawable interface {
	PostDraw(*Context2D)
}

type PreMoveAction 

type PreMoveAction interface {
	PreMove(TouchContext)
}

type Sized 

type Sized interface {
	Size(TextMeasurer) Box
}

type Spring 

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

func MakeSpring 

func MakeSpring(initialValue, target, speed float64) Spring

func (*Spring) Update 

func (s *Spring) Update()

func (*Spring) Value 

func (s *Spring) Value() float64

type TextMeasurer 

type TextMeasurer interface {
	MeasureText(text string) float64
}

type Touch 

type Touch struct {
	Curr  vec2.Vec2
	Last  vec2.Vec2
	Wheel float64
	// contains filtered or unexported fields
}

func MakeTouch 

func MakeTouch(pos vec2.Vec2) *Touch

func (*Touch) EndAction 

func (t *Touch) EndAction(m TextMeasurer)

func (*Touch) Move 

func (t *Touch) Move(m TextMeasurer, curr vec2.Vec2)

func (*Touch) OpenMenu 

func (t *Touch) OpenMenu(queryCtx TraversalContext, root MenuRoot)

func (*Touch) Position 

func (t *Touch) Position(m TextMeasurer, w interface{}) vec2.Vec2

func (*Touch) StartAction 

func (t *Touch) StartAction(queryCtx TraversalContext, root interface{}, keycode string, key string)

type TouchContext 

type TouchContext struct {
	Touch *Touch
	Path  WidgetPath
	// contains filtered or unexported fields
}

func (TouchContext) At 

func (ctx TouchContext) At(check func(interface{}) bool) TouchContext

func (TouchContext) AtTopBlueprint 

func (ctx TouchContext) AtTopBlueprint() TouchContext

func (TouchContext) Delta 

func (ctx TouchContext) Delta() vec2.Vec2

func (TouchContext) Position 

func (ctx TouchContext) Position() vec2.Vec2

func (TouchContext) Query 

func (ctx TouchContext) Query(callback func(WidgetPath, vec2.Vec2) WalkAction)

type Transformed 

type Transformed interface {
	Transform(TextMeasurer) matrix.Matrix
}

type TraversalContext 

type TraversalContext interface {
	TextMeasurer
	EditStatus
}

type TypeOption 

type TypeOption struct {
	Editable Editable
	// contains filtered or unexported fields
}

func (TypeOption) Activate 

func (t TypeOption) Activate(TouchContext) Action

func (TypeOption) Keycode 

func (TypeOption) Keycode() string

func (TypeOption) Name 

func (TypeOption) Name() string

type WalkAction 

type WalkAction int
const (
	Explore WalkAction = iota
	Avoid
	Return
)

func WalkWithin 

func WalkWithin(path WidgetPath, enter EnterCallback, exit ExitCallback) WalkAction

type Widget 

type Widget interface {
	Options(vec2.Vec2) []Option
}

type WidgetPath 

type WidgetPath []interface{} // root-to-child

Source Files

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