widget

package
v0.0.0-...-ca1a302 Latest Latest
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 Go to latest Published: Nov 14, 2021 License: MIT Imports: 15 Imported by: 0

Documentation

Overview

Package widget contains various widget implementations such as buttons, checkboxes, combo boxes, lists etc. It also provides several different layout mechanisms to automatically layout widgets according to different rules.

Index

Constants

View Source 
const (
	// AnchorLayoutPositionStart is the anchoring position for "left" (in the horizontal direction) or "top" (in the vertical direction.)
	AnchorLayoutPositionStart = AnchorLayoutPosition(iota)

	// AnchorLayoutPositionCenter is the center anchoring position.
	AnchorLayoutPositionCenter

	// AnchorLayoutPositionEnd is the anchoring position for "right" (in the horizontal direction) or "bottom" (in the vertical direction.)
	AnchorLayoutPositionEnd
)
View Source 
const (
	CheckboxUnchecked = CheckboxState(iota)
	CheckboxChecked
	CheckboxGreyed
)
View Source 
const (
	// GridLayoutPositionStart is the anchoring position for "left" (in the horizontal direction) or "top" (in the vertical direction.)
	GridLayoutPositionStart = GridLayoutPosition(iota)

	// GridLayoutPositionStart is the center anchoring position.
	GridLayoutPositionCenter

	// GridLayoutPositionStart is the anchoring position for "right" (in the horizontal direction) or "bottom" (in the vertical direction.)
	GridLayoutPositionEnd
)
View Source 
const (
	DirectionHorizontal = Direction(iota)
	DirectionVertical
)
View Source 
const (
	// RowLayoutPositionStart is the anchoring position for "left" (in the horizontal direction) or "top" (in the vertical direction.)
	RowLayoutPositionStart = RowLayoutPosition(iota)

	// RowLayoutPositionCenter is the center anchoring position.
	RowLayoutPositionCenter

	// RowLayoutPositionEnd is the anchoring position for "right" (in the horizontal direction) or "bottom" (in the vertical direction.)
	RowLayoutPositionEnd
)
View Source 
const (
	TextPositionStart = TextPosition(iota)
	TextPositionCenter
	TextPositionEnd
)

Variables

This section is empty.

Functions

func RenderWithDeferred 

func RenderWithDeferred(screen *ebiten.Image, rs []Renderer)

RenderWithDeferred renders r to screen. This function should not be called directly.

func WidgetFireFocusEvent 

func WidgetFireFocusEvent(w *Widget, focused bool)

Types

type AnchorLayout 

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

AnchorLayout layouts a single widget anchored to either a corner or edge of a rectangle, optionally stretching it in one or both directions.

AnchorLayout will only layout the first widget in a container and ignore all other widgets.

Widget.LayoutData of widgets being layouted by AnchorLayout need to be of type AnchorLayoutData.

func NewAnchorLayout 

func NewAnchorLayout(opts ...AnchorLayoutOpt) *AnchorLayout

NewAnchorLayout constructs a new AnchorLayout, configured by opts.

func (*AnchorLayout) Layout 

func (a *AnchorLayout) Layout(widgets []PreferredSizeLocateableWidget, rect image.Rectangle)

Layout implements Layouter.

func (*AnchorLayout) PreferredSize 

func (a *AnchorLayout) PreferredSize(widgets []PreferredSizeLocateableWidget) (int, int)

PreferredSize implements Layouter.

type AnchorLayoutData 

type AnchorLayoutData struct {
	// HorizontalPosition specifies the horizontal anchoring position.
	HorizontalPosition AnchorLayoutPosition

	// VerticalPosition specifies the vertical anchoring position.
	VerticalPosition AnchorLayoutPosition

	// StretchHorizontal specifies whether to stretch in the horizontal direction.
	StretchHorizontal bool

	// StretchVertical specifies whether to stretch in the vertical direction.
	StretchVertical bool
}

AnchorLayoutData specifies layout settings for a widget.

type AnchorLayoutOpt 

type AnchorLayoutOpt func(a *AnchorLayout)

AnchorLayoutOpt is a function that configures a.

type AnchorLayoutOptions 

type AnchorLayoutOptions struct {
}
var AnchorLayoutOpts AnchorLayoutOptions

AnchorLayoutOpts contains functions that configure an AnchorLayout.

func (AnchorLayoutOptions) Padding 

func (o AnchorLayoutOptions) Padding(i Insets) AnchorLayoutOpt

Padding configures an anchor layout to use padding i.

type AnchorLayoutPosition 

type AnchorLayoutPosition int

AnchorLayoutPosition is the type used to specify an anchoring position.

type Button 

type Button struct {
	Image             *ButtonImage
	KeepPressedOnExit bool
	GraphicImage      *ButtonImageImage
	TextColor         *ButtonTextColor

	PressedEvent  *event.Event
	ReleasedEvent *event.Event
	ClickedEvent  *event.Event
	// contains filtered or unexported fields
}

func NewButton 

func NewButton(opts ...ButtonOpt) *Button

func (*Button) GetWidget 

func (b *Button) GetWidget() *Widget

func (*Button) PreferredSize 

func (b *Button) PreferredSize() (int, int)

func (*Button) Render 

func (b *Button) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*Button) RequestRelayout 

func (b *Button) RequestRelayout()

func (*Button) SetLocation 

func (b *Button) SetLocation(rect img.Rectangle)

func (*Button) SetupInputLayer 

func (b *Button) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

func (*Button) Text 

func (b *Button) Text() *Text

type ButtonClickedEventArgs 

type ButtonClickedEventArgs struct {
	Button *Button
}

type ButtonClickedHandlerFunc 

type ButtonClickedHandlerFunc func(args *ButtonClickedEventArgs)

type ButtonImage 

type ButtonImage struct {
	Idle     *image.NineSlice
	Hover    *image.NineSlice
	Pressed  *image.NineSlice
	Disabled *image.NineSlice
}

type ButtonImageImage 

type ButtonImageImage struct {
	Idle     *ebiten.Image
	Disabled *ebiten.Image
}

type ButtonOpt 

type ButtonOpt func(b *Button)

type ButtonOptions 

type ButtonOptions struct {
}
var ButtonOpts ButtonOptions

func (ButtonOptions) ClickedHandler 

func (o ButtonOptions) ClickedHandler(f ButtonClickedHandlerFunc) ButtonOpt

func (ButtonOptions) Graphic 

func (o ButtonOptions) Graphic(i *ebiten.Image) ButtonOpt

func (ButtonOptions) GraphicNineSlice 

func (o ButtonOptions) GraphicNineSlice(i *image.NineSlice) ButtonOpt

func (ButtonOptions) GraphicPadding 

func (o ButtonOptions) GraphicPadding(i Insets) ButtonOpt

func (ButtonOptions) Image 

func (o ButtonOptions) Image(i *ButtonImage) ButtonOpt

func (ButtonOptions) KeepPressedOnExit 

func (o ButtonOptions) KeepPressedOnExit() ButtonOpt

func (ButtonOptions) PressedHandler 

func (o ButtonOptions) PressedHandler(f ButtonPressedHandlerFunc) ButtonOpt

func (ButtonOptions) ReleasedHandler 

func (o ButtonOptions) ReleasedHandler(f ButtonReleasedHandlerFunc) ButtonOpt

func (ButtonOptions) Text 

func (o ButtonOptions) Text(label string, face font.Face, color *ButtonTextColor) ButtonOpt

func (ButtonOptions) TextAndImage 

func (o ButtonOptions) TextAndImage(label string, face font.Face, image *ButtonImageImage, color *ButtonTextColor) ButtonOpt

TODO: add parameter for image position (start/end)

func (ButtonOptions) TextPadding 

func (o ButtonOptions) TextPadding(p Insets) ButtonOpt

func (ButtonOptions) TextSimpleLeft 

func (o ButtonOptions) TextSimpleLeft(label string, face font.Face, color *ButtonTextColor, padding Insets) ButtonOpt

func (ButtonOptions) WidgetOpts 

func (o ButtonOptions) WidgetOpts(opts ...WidgetOpt) ButtonOpt

type ButtonPressedEventArgs 

type ButtonPressedEventArgs struct {
	Button  *Button
	OffsetX int
	OffsetY int
}

type ButtonPressedHandlerFunc 

type ButtonPressedHandlerFunc func(args *ButtonPressedEventArgs)

type ButtonReleasedEventArgs 

type ButtonReleasedEventArgs struct {
	Button  *Button
	Inside  bool
	OffsetX int
	OffsetY int
}

type ButtonReleasedHandlerFunc 

type ButtonReleasedHandlerFunc func(args *ButtonReleasedEventArgs)

type ButtonTextColor 

type ButtonTextColor struct {
	Idle     color.Color
	Disabled color.Color
}

type Caret 

type Caret struct {
	Width int
	Color color.Color
	// contains filtered or unexported fields
}

func NewCaret 

func NewCaret(opts ...CaretOpt) *Caret

func (*Caret) GetWidget 

func (c *Caret) GetWidget() *Widget

func (*Caret) PreferredSize 

func (c *Caret) PreferredSize() (int, int)

func (*Caret) Render 

func (c *Caret) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*Caret) ResetBlinking 

func (c *Caret) ResetBlinking()

func (*Caret) SetLocation 

func (c *Caret) SetLocation(rect img.Rectangle)

type CaretOpt 

type CaretOpt func(c *Caret)

type CaretOptions 

type CaretOptions struct {
}
var CaretOpts CaretOptions

func (CaretOptions) Color 

func (o CaretOptions) Color(c color.Color) CaretOpt

func (CaretOptions) Size 

func (o CaretOptions) Size(face font.Face, width int) CaretOpt

type Checkbox 

type Checkbox struct {
	ChangedEvent *event.Event
	// contains filtered or unexported fields
}

func NewCheckbox 

func NewCheckbox(opts ...CheckboxOpt) *Checkbox

func (*Checkbox) GetWidget 

func (c *Checkbox) GetWidget() *Widget

func (*Checkbox) PreferredSize 

func (c *Checkbox) PreferredSize() (int, int)

func (*Checkbox) Render 

func (c *Checkbox) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*Checkbox) SetLocation 

func (c *Checkbox) SetLocation(rect image.Rectangle)

func (*Checkbox) SetState 

func (c *Checkbox) SetState(s CheckboxState)

func (*Checkbox) SetupInputLayer 

func (c *Checkbox) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

func (*Checkbox) State 

func (c *Checkbox) State() CheckboxState

type CheckboxChangedEventArgs 

type CheckboxChangedEventArgs struct {
	Checkbox *Checkbox
	State    CheckboxState
}

type CheckboxChangedHandlerFunc 

type CheckboxChangedHandlerFunc func(args *CheckboxChangedEventArgs)

type CheckboxGraphicImage 

type CheckboxGraphicImage struct {
	Unchecked *ButtonImageImage
	Checked   *ButtonImageImage
	Greyed    *ButtonImageImage
}

type CheckboxOpt 

type CheckboxOpt func(c *Checkbox)

type CheckboxOptions 

type CheckboxOptions struct {
}
var CheckboxOpts CheckboxOptions

func (CheckboxOptions) ButtonOpts 

func (o CheckboxOptions) ButtonOpts(opts ...ButtonOpt) CheckboxOpt

func (CheckboxOptions) ChangedHandler 

func (o CheckboxOptions) ChangedHandler(f CheckboxChangedHandlerFunc) CheckboxOpt

func (CheckboxOptions) Image 

func (o CheckboxOptions) Image(i *CheckboxGraphicImage) CheckboxOpt

func (CheckboxOptions) TriState 

func (o CheckboxOptions) TriState() CheckboxOpt

type CheckboxState 

type CheckboxState int

func (CheckboxState) Advance 

func (s CheckboxState) Advance(triState bool) CheckboxState

type ComboButton 

type ComboButton struct {
	ContentVisible bool
	// contains filtered or unexported fields
}

func NewComboButton 

func NewComboButton(opts ...ComboButtonOpt) *ComboButton

func (*ComboButton) GetWidget 

func (c *ComboButton) GetWidget() *Widget

func (*ComboButton) Label 

func (c *ComboButton) Label() string

func (*ComboButton) PreferredSize 

func (c *ComboButton) PreferredSize() (int, int)

func (*ComboButton) Render 

func (c *ComboButton) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*ComboButton) SetLabel 

func (c *ComboButton) SetLabel(l string)

func (*ComboButton) SetLocation 

func (c *ComboButton) SetLocation(rect image.Rectangle)

func (*ComboButton) SetupInputLayer 

func (c *ComboButton) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

type ComboButtonOpt 

type ComboButtonOpt func(c *ComboButton)

type ComboButtonOptions 

type ComboButtonOptions struct {
}
var ComboButtonOpts ComboButtonOptions

func (ComboButtonOptions) ButtonOpts 

func (o ComboButtonOptions) ButtonOpts(opts ...ButtonOpt) ComboButtonOpt

func (ComboButtonOptions) Content 

func (o ComboButtonOptions) Content(c HasWidget) ComboButtonOpt

func (ComboButtonOptions) MaxContentHeight 

func (o ComboButtonOptions) MaxContentHeight(h int) ComboButtonOpt

type Container 

type Container struct {
	BackgroundImage     *image.NineSlice
	AutoDisableChildren bool
	// contains filtered or unexported fields
}

func NewContainer 

func NewContainer(opts ...ContainerOpt) *Container

func (*Container) AddChild 

func (c *Container) AddChild(child PreferredSizeLocateableWidget) RemoveChildFunc

func (*Container) GetWidget 

func (c *Container) GetWidget() *Widget

func (*Container) PreferredSize 

func (c *Container) PreferredSize() (int, int)

func (*Container) Render 

func (c *Container) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*Container) RequestRelayout 

func (c *Container) RequestRelayout()

func (*Container) SetLocation 

func (c *Container) SetLocation(rect img.Rectangle)

func (*Container) SetupInputLayer 

func (c *Container) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

func (*Container) WidgetAt 

func (c *Container) WidgetAt(x int, y int) HasWidget

WidgetAt implements WidgetLocator.

type ContainerOpt 

type ContainerOpt func(c *Container)

type ContainerOptions 

type ContainerOptions struct {
}
var ContainerOpts ContainerOptions

func (ContainerOptions) AutoDisableChildren 

func (o ContainerOptions) AutoDisableChildren() ContainerOpt

func (ContainerOptions) BackgroundImage 

func (o ContainerOptions) BackgroundImage(i *image.NineSlice) ContainerOpt

func (ContainerOptions) Layout 

func (o ContainerOptions) Layout(layout Layouter) ContainerOpt

func (ContainerOptions) WidgetOpts 

func (o ContainerOptions) WidgetOpts(opts ...WidgetOpt) ContainerOpt

type DeferredRenderFunc 

type DeferredRenderFunc func(r RenderFunc)

DeferredRenderFunc is a function that stores r for deferred execution.

type Direction 

type Direction int

type DragAndDrop 

type DragAndDrop struct {
	DroppedEvent *event.Event
	// contains filtered or unexported fields
}

func NewDragAndDrop 

func NewDragAndDrop(opts ...DragAndDropOpt) *DragAndDrop

func (*DragAndDrop) Render 

func (d *DragAndDrop) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*DragAndDrop) SetupInputLayer 

func (d *DragAndDrop) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

type DragAndDropDroppedEventArgs 

type DragAndDropDroppedEventArgs struct {
	Source  HasWidget
	SourceX int
	SourceY int
	Target  HasWidget
	TargetX int
	TargetY int
	Data    interface{}
}

type DragAndDropDroppedHandlerFunc 

type DragAndDropDroppedHandlerFunc func(args *DragAndDropDroppedEventArgs)

type DragAndDropOpt 

type DragAndDropOpt func(d *DragAndDrop)

type DragAndDropOptions 

type DragAndDropOptions struct {
}
var DragAndDropOpts DragAndDropOptions

func (DragAndDropOptions) Container 

func (o DragAndDropOptions) Container(c Locater) DragAndDropOpt

func (DragAndDropOptions) ContentsCreater 

func (o DragAndDropOptions) ContentsCreater(c DragContentsCreater) DragAndDropOpt

func (DragAndDropOptions) DroppedHandler 

func (o DragAndDropOptions) DroppedHandler(f DragAndDropDroppedHandlerFunc) DragAndDropOpt

func (DragAndDropOptions) MinDragStartDistance 

func (o DragAndDropOptions) MinDragStartDistance(d int) DragAndDropOpt

type DragContentsCreater 

type DragContentsCreater interface {
	Create(HasWidget, int, int) (DragWidget, interface{})
}

type DragContentsUpdater 

type DragContentsUpdater interface {
	Update(HasWidget, int, int, interface{})
}

type DragWidget 

type DragWidget interface {
	HasWidget
	PreferredSizer
	Locateable
	Renderer
}

type FlipBook 

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

A FlipBook is a container that always renders exactly one child widget: the current page. The current page will be embedded in a AnchorLayout.

func NewFlipBook 

func NewFlipBook(opts ...FlipBookOpt) *FlipBook

NewFlipBook constructs a new FlipBook configured with opts.

func (*FlipBook) GetWidget 

func (f *FlipBook) GetWidget() *Widget

GetWidget implements HasWidget.

func (*FlipBook) PreferredSize 

func (f *FlipBook) PreferredSize() (int, int)

PreferredSize implements PreferredSizer.

func (*FlipBook) Render 

func (f *FlipBook) Render(screen *ebiten.Image, def DeferredRenderFunc)

Render implements Renderer.

func (*FlipBook) RequestRelayout 

func (f *FlipBook) RequestRelayout()

RequestRelayout implements Relayoutable.

func (*FlipBook) SetLocation 

func (f *FlipBook) SetLocation(rect img.Rectangle)

SetLocation implements Locateable.

func (*FlipBook) SetPage 

func (f *FlipBook) SetPage(page PreferredSizeLocateableWidget)

SetPage sets the current page to be rendered to page. The previous page will no longer be rendered.

Note that when switching to a new page, it may be necessary to re-layout parent containers if the pages are of different sizes.

func (*FlipBook) SetupInputLayer 

func (f *FlipBook) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

SetupInputLayer implements InputLayerer.

func (*FlipBook) WidgetAt 

func (f *FlipBook) WidgetAt(x int, y int) HasWidget

WidgetAt implements WidgetLocator.

type FlipBookOpt 

type FlipBookOpt func(f *FlipBook)

FlipBookOpt is a function that configures f.

type FlipBookOptions 

type FlipBookOptions struct {
}
var FlipBookOpts FlipBookOptions

FlipBookOpts contains functions that configure a FlipBook.

func (FlipBookOptions) ContainerOpts 

func (o FlipBookOptions) ContainerOpts(opts ...ContainerOpt) FlipBookOpt

WithContainerOpts configures a FlipBook with opts.

func (FlipBookOptions) Padding 

func (o FlipBookOptions) Padding(i Insets) FlipBookOpt

WithPadding configures a FlipBook with padding i.

type Focuser 

type Focuser interface {
	Focus(focused bool)
}

type Graphic 

type Graphic struct {
	Image          *ebiten.Image
	ImageNineSlice *image.NineSlice
	// contains filtered or unexported fields
}

func NewGraphic 

func NewGraphic(opts ...GraphicOpt) *Graphic

func (*Graphic) GetWidget 

func (g *Graphic) GetWidget() *Widget

func (*Graphic) PreferredSize 

func (g *Graphic) PreferredSize() (int, int)

func (*Graphic) Render 

func (g *Graphic) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*Graphic) SetLocation 

func (g *Graphic) SetLocation(rect img.Rectangle)

type GraphicOpt 

type GraphicOpt func(g *Graphic)

type GraphicOptions 

type GraphicOptions struct {
}
var GraphicOpts GraphicOptions

func (GraphicOptions) Image 

func (o GraphicOptions) Image(i *ebiten.Image) GraphicOpt

func (GraphicOptions) ImageNineSlice 

func (o GraphicOptions) ImageNineSlice(i *image.NineSlice) GraphicOpt

func (GraphicOptions) WidgetOpts 

func (o GraphicOptions) WidgetOpts(opts ...WidgetOpt) GraphicOpt

type GridLayout 

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

GridLayout layouts widgets in a grid fashion, with columns or rows optionally being stretched.

Widget.LayoutData of widgets being layouted by GridLayout need to be of type GridLayoutData.

func NewGridLayout 

func NewGridLayout(opts ...GridLayoutOpt) *GridLayout

NewGridLayout constructs a new GridLayout, configured by opts.

func (*GridLayout) Layout 

func (g *GridLayout) Layout(widgets []PreferredSizeLocateableWidget, rect image.Rectangle)

Layout implements Layouter.

func (*GridLayout) PreferredSize 

func (g *GridLayout) PreferredSize(widgets []PreferredSizeLocateableWidget) (int, int)

PreferredSize implements Layouter.

type GridLayoutData 

type GridLayoutData struct {
	// MaxWidth specifies the maximum width.
	MaxWidth int

	// MaxHeight specifies the maximum height..
	MaxHeight int

	// HorizontalPosition specifies the horizontal anchoring position inside the grid cell.
	HorizontalPosition GridLayoutPosition

	// VerticalPosition specifies the vertical anchoring position inside the grid cell.
	VerticalPosition GridLayoutPosition
}

GridLayoutData specifies layout settings for a widget.

type GridLayoutOpt 

type GridLayoutOpt func(g *GridLayout)

GridLayoutOpt is a function that configures g.

type GridLayoutOptions 

type GridLayoutOptions struct {
}
var GridLayoutOpts GridLayoutOptions

GridLayoutOpts contains functions that configure a GridLayout.

func (GridLayoutOptions) Columns 

func (o GridLayoutOptions) Columns(c int) GridLayoutOpt

Columns configures a grid layout to use c columns.

func (GridLayoutOptions) Padding 

func (o GridLayoutOptions) Padding(i Insets) GridLayoutOpt

Padding configures a grid layout to use padding i.

func (GridLayoutOptions) Spacing 

func (o GridLayoutOptions) Spacing(c int, r int) GridLayoutOpt

Spacing configures a grid layout to separate columns by spacing c and rows by spacing r.

func (GridLayoutOptions) Stretch 

func (o GridLayoutOptions) Stretch(c []bool, r []bool) GridLayoutOpt

Stretch configures a grid layout to stretch columns according to c and rows according to r. The number of elements of c and r must correspond with the number of columns and rows in the layout.

type GridLayoutPosition 

type GridLayoutPosition int

GridLayoutPosition is the type used to specify an anchoring position.

type HasWidget 

type HasWidget interface {
	GetWidget() *Widget
}

HasWidget must be implemented by concrete widget types to get their Widget.

type Insets 

type Insets struct {
	Top    int
	Left   int
	Right  int
	Bottom int
}

func NewInsetsSimple 

func NewInsetsSimple(widthHeight int) Insets

func (Insets) Apply 

func (i Insets) Apply(rect image.Rectangle) image.Rectangle

func (Insets) Dx 

func (i Insets) Dx() int

func (Insets) Dy 

func (i Insets) Dy() int

type Label 

type Label struct {
	Label string
	// contains filtered or unexported fields
}

func NewLabel 

func NewLabel(opts ...LabelOpt) *Label

func (*Label) GetWidget 

func (l *Label) GetWidget() *Widget

func (*Label) PreferredSize 

func (l *Label) PreferredSize() (int, int)

func (*Label) Render 

func (l *Label) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*Label) SetLocation 

func (l *Label) SetLocation(rect image.Rectangle)

type LabelColor 

type LabelColor struct {
	Idle     color.Color
	Disabled color.Color
}

type LabelOpt 

type LabelOpt func(l *Label)

type LabelOptions 

type LabelOptions struct {
}
var LabelOpts LabelOptions

func (LabelOptions) Text 

func (o LabelOptions) Text(label string, face font.Face, color *LabelColor) LabelOpt

func (LabelOptions) TextOpts 

func (o LabelOptions) TextOpts(opts ...TextOpt) LabelOpt

type LabeledCheckbox 

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

func NewLabeledCheckbox 

func NewLabeledCheckbox(opts ...LabeledCheckboxOpt) *LabeledCheckbox

func (*LabeledCheckbox) Checkbox 

func (l *LabeledCheckbox) Checkbox() *Checkbox

func (*LabeledCheckbox) GetWidget 

func (l *LabeledCheckbox) GetWidget() *Widget

func (*LabeledCheckbox) Label 

func (l *LabeledCheckbox) Label() *Label

func (*LabeledCheckbox) PreferredSize 

func (l *LabeledCheckbox) PreferredSize() (int, int)

func (*LabeledCheckbox) Render 

func (l *LabeledCheckbox) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*LabeledCheckbox) SetLocation 

func (l *LabeledCheckbox) SetLocation(rect image.Rectangle)

func (*LabeledCheckbox) SetupInputLayer 

func (l *LabeledCheckbox) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

type LabeledCheckboxOpt 

type LabeledCheckboxOpt func(l *LabeledCheckbox)

type LabeledCheckboxOptions 

type LabeledCheckboxOptions struct {
}
var LabeledCheckboxOpts LabeledCheckboxOptions

func (LabeledCheckboxOptions) CheckboxOpts 

func (o LabeledCheckboxOptions) CheckboxOpts(opts ...CheckboxOpt) LabeledCheckboxOpt

func (LabeledCheckboxOptions) LabelOpts 

func (o LabeledCheckboxOptions) LabelOpts(opts ...LabelOpt) LabeledCheckboxOpt

func (LabeledCheckboxOptions) Spacing 

func (o LabeledCheckboxOptions) Spacing(s int) LabeledCheckboxOpt

type Layouter 

type Layouter interface {
	PreferredSize(widgets []PreferredSizeLocateableWidget) (int, int)
	Layout(widgets []PreferredSizeLocateableWidget, rect image.Rectangle)
}

type List 

type List struct {
	EntrySelectedEvent *event.Event
	// contains filtered or unexported fields
}

func NewList 

func NewList(opts ...ListOpt) *List

func (*List) GetWidget 

func (l *List) GetWidget() *Widget

func (*List) PreferredSize 

func (l *List) PreferredSize() (int, int)

func (*List) Render 

func (l *List) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*List) RequestRelayout 

func (l *List) RequestRelayout()

func (*List) SelectedEntry 

func (l *List) SelectedEntry() interface{}

func (*List) SetLocation 

func (l *List) SetLocation(rect img.Rectangle)

func (*List) SetScrollLeft 

func (l *List) SetScrollLeft(left float64)

func (*List) SetScrollTop 

func (l *List) SetScrollTop(t float64)

func (*List) SetSelectedEntry 

func (l *List) SetSelectedEntry(e interface{})

func (*List) SetupInputLayer 

func (l *List) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

type ListComboButton 

type ListComboButton struct {
	EntrySelectedEvent *event.Event
	// contains filtered or unexported fields
}

func NewListComboButton 

func NewListComboButton(opts ...ListComboButtonOpt) *ListComboButton

func (*ListComboButton) ContentVisible 

func (l *ListComboButton) ContentVisible() bool

func (*ListComboButton) GetWidget 

func (l *ListComboButton) GetWidget() *Widget

func (*ListComboButton) Label 

func (l *ListComboButton) Label() string

func (*ListComboButton) PreferredSize 

func (l *ListComboButton) PreferredSize() (int, int)

func (*ListComboButton) Render 

func (l *ListComboButton) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*ListComboButton) SelectedEntry 

func (l *ListComboButton) SelectedEntry() interface{}

func (*ListComboButton) SetContentVisible 

func (l *ListComboButton) SetContentVisible(v bool)

func (*ListComboButton) SetLocation 

func (l *ListComboButton) SetLocation(rect image.Rectangle)

func (*ListComboButton) SetSelectedEntry 

func (l *ListComboButton) SetSelectedEntry(e interface{})

func (*ListComboButton) SetupInputLayer 

func (l *ListComboButton) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

type ListComboButtonEntrySelectedEventArgs 

type ListComboButtonEntrySelectedEventArgs struct {
	Button        *ListComboButton
	Entry         interface{}
	PreviousEntry interface{}
}

type ListComboButtonEntrySelectedHandlerFunc 

type ListComboButtonEntrySelectedHandlerFunc func(args *ListComboButtonEntrySelectedEventArgs)

type ListComboButtonOpt 

type ListComboButtonOpt func(l *ListComboButton)

type ListComboButtonOptions 

type ListComboButtonOptions struct {
}
var ListComboButtonOpts ListComboButtonOptions

func (ListComboButtonOptions) EntryLabelFunc 

func (o ListComboButtonOptions) EntryLabelFunc(button SelectComboButtonEntryLabelFunc, list ListEntryLabelFunc) ListComboButtonOpt

func (ListComboButtonOptions) EntrySelectedHandler 

func (o ListComboButtonOptions) EntrySelectedHandler(f ListComboButtonEntrySelectedHandlerFunc) ListComboButtonOpt

func (ListComboButtonOptions) ListOpts 

func (o ListComboButtonOptions) ListOpts(opts ...ListOpt) ListComboButtonOpt

func (ListComboButtonOptions) SelectComboButtonOpts 

func (o ListComboButtonOptions) SelectComboButtonOpts(opts ...SelectComboButtonOpt) ListComboButtonOpt

func (ListComboButtonOptions) Text 

func (o ListComboButtonOptions) Text(face font.Face, image *ButtonImageImage, color *ButtonTextColor) ListComboButtonOpt

type ListEntryColor 

type ListEntryColor struct {
	Unselected                 color.Color
	Selected                   color.Color
	DisabledUnselected         color.Color
	DisabledSelected           color.Color
	SelectedBackground         color.Color
	DisabledSelectedBackground color.Color
}

type ListEntryLabelFunc 

type ListEntryLabelFunc func(e interface{}) string

type ListEntrySelectedEventArgs 

type ListEntrySelectedEventArgs struct {
	List          *List
	Entry         interface{}
	PreviousEntry interface{}
}

type ListEntrySelectedHandlerFunc 

type ListEntrySelectedHandlerFunc func(args *ListEntrySelectedEventArgs)

type ListOpt 

type ListOpt func(l *List)

type ListOptions 

type ListOptions struct {
}
var ListOpts ListOptions

func (ListOptions) AllowReselect 

func (o ListOptions) AllowReselect() ListOpt

func (ListOptions) ContainerOpts 

func (o ListOptions) ContainerOpts(opts ...ContainerOpt) ListOpt

func (ListOptions) ControlWidgetSpacing 

func (o ListOptions) ControlWidgetSpacing(s int) ListOpt

func (ListOptions) Entries 

func (o ListOptions) Entries(e []interface{}) ListOpt

func (ListOptions) EntryColor 

func (o ListOptions) EntryColor(c *ListEntryColor) ListOpt

func (ListOptions) EntryFontFace 

func (o ListOptions) EntryFontFace(f font.Face) ListOpt

func (ListOptions) EntryLabelFunc 

func (o ListOptions) EntryLabelFunc(f ListEntryLabelFunc) ListOpt

func (ListOptions) EntrySelectedHandler 

func (o ListOptions) EntrySelectedHandler(f ListEntrySelectedHandlerFunc) ListOpt

func (ListOptions) EntryTextPadding 

func (o ListOptions) EntryTextPadding(i Insets) ListOpt

func (ListOptions) HideHorizontalSlider 

func (o ListOptions) HideHorizontalSlider() ListOpt

func (ListOptions) HideVerticalSlider 

func (o ListOptions) HideVerticalSlider() ListOpt

func (ListOptions) ScrollContainerOpts 

func (o ListOptions) ScrollContainerOpts(opts ...ScrollContainerOpt) ListOpt

func (ListOptions) SliderOpts 

func (o ListOptions) SliderOpts(opts ...SliderOpt) ListOpt

type Locateable 

type Locateable interface {
	SetLocation(rect image.Rectangle)
}

type Locater 

type Locater interface {
	WidgetAt(x int, y int) HasWidget
}

type MultiOnce 

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

MultiOnce works like sync.Once, but can execute any number of functions.

func (*MultiOnce) Append 

func (m *MultiOnce) Append(f func())

Append adds f to the list of functions to be executed. If Do has been called already, calling Append will do nothing.

func (*MultiOnce) Do 

func (m *MultiOnce) Do()

Do executes all functions added using Append.

Do executes the list of functions exactly once. Calling Do a second time will do nothing.

type PreferredSizeLocateableWidget 

type PreferredSizeLocateableWidget interface {
	HasWidget
	PreferredSizer
	Locateable
}

type PreferredSizer 

type PreferredSizer interface {
	PreferredSize() (int, int)
}

PreferredSizer may be implemented by concrete widget types that can report a preferred size.

type RadioGroup 

type RadioGroup struct {
	ChangedEvent *event.Event
	// contains filtered or unexported fields
}

func NewRadioGroup 

func NewRadioGroup(opts ...RadioGroupOpt) *RadioGroup

func (*RadioGroup) Active 

func (r *RadioGroup) Active() *Checkbox

func (*RadioGroup) SetActive 

func (r *RadioGroup) SetActive(a *Checkbox)

type RadioGroupChangedEventArgs 

type RadioGroupChangedEventArgs struct {
	Active *Checkbox
}

type RadioGroupChangedHandlerFunc 

type RadioGroupChangedHandlerFunc func(args *RadioGroupChangedEventArgs)

type RadioGroupOpt 

type RadioGroupOpt func(r *RadioGroup)

type RadioGroupOptions 

type RadioGroupOptions struct {
}
var RadioGroupOpts RadioGroupOptions

func (RadioGroupOptions) ChangedHandler 

func (o RadioGroupOptions) ChangedHandler(f RadioGroupChangedHandlerFunc) RadioGroupOpt

func (RadioGroupOptions) Checkboxes 

func (o RadioGroupOptions) Checkboxes(cb ...*Checkbox) RadioGroupOpt

type Relayoutable 

type Relayoutable interface {
	RequestRelayout()
}

type RemoveChildFunc 

type RemoveChildFunc func()

type RenderFunc 

type RenderFunc func(screen *ebiten.Image, def DeferredRenderFunc)

RenderFunc is a function that renders a widget onto screen. def may be called to defer additional rendering.

type Renderer 

type Renderer interface {
	// Render renders the widget onto screen. def may be called to defer additional rendering.
	Render(screen *ebiten.Image, def DeferredRenderFunc)
}

Renderer may be implemented by concrete widget types that can render onto the screen.

type RowLayout 

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

RowLayout layouts widgets in either a single row or a single column, optionally stretching them in the other direction.

Widget.LayoutData of widgets being layouted by RowLayout need to be of type RowLayoutData.

func NewRowLayout 

func NewRowLayout(opts ...RowLayoutOpt) *RowLayout

NewRowLayout constructs a new RowLayout, configured by opts.

func (*RowLayout) Layout 

func (r *RowLayout) Layout(widgets []PreferredSizeLocateableWidget, rect image.Rectangle)

Layout implements Layouter.

func (*RowLayout) PreferredSize 

func (r *RowLayout) PreferredSize(widgets []PreferredSizeLocateableWidget) (int, int)

PreferredSize implements Layouter.

type RowLayoutData 

type RowLayoutData struct {
	// Position specifies the anchoring position for the direction that is not the primary direction of the layout.
	Position RowLayoutPosition

	// Stretch specifies whether to stretch in the direction that is not the primary direction of the layout.
	Stretch bool

	// MaxWidth specifies the maximum width.
	MaxWidth int

	// MaxHeight specifies the maximum height.
	MaxHeight int
}

RowLayoutData specifies layout settings for a widget.

type RowLayoutOpt 

type RowLayoutOpt func(r *RowLayout)

RowLayoutOpt is a function that configures r.

type RowLayoutOptions 

type RowLayoutOptions struct {
}
var RowLayoutOpts RowLayoutOptions

RowLayoutOpts contains functions that configure a RowLayout.

func (RowLayoutOptions) Direction 

func (o RowLayoutOptions) Direction(d Direction) RowLayoutOpt

Direction configures a row layout to layout widgets in the primary direction d. This will also switch the meaning of any widget's RowLayoutData.Position and RowLayoutData.Stretch to the other direction.

func (RowLayoutOptions) Padding 

func (o RowLayoutOptions) Padding(i Insets) RowLayoutOpt

Padding configures a row layout to use padding i.

func (RowLayoutOptions) Spacing 

func (o RowLayoutOptions) Spacing(s int) RowLayoutOpt

Spacing configures a row layout to separate widgets by spacing s.

type RowLayoutPosition 

type RowLayoutPosition int

RowLayoutPosition is the type used to specify an anchoring position.

type ScrollContainer 

type ScrollContainer struct {
	ScrollLeft float64
	ScrollTop  float64
	// contains filtered or unexported fields
}

func NewScrollContainer 

func NewScrollContainer(opts ...ScrollContainerOpt) *ScrollContainer

func (*ScrollContainer) ContentRect 

func (s *ScrollContainer) ContentRect() img.Rectangle

func (*ScrollContainer) GetWidget 

func (s *ScrollContainer) GetWidget() *Widget

func (*ScrollContainer) PreferredSize 

func (s *ScrollContainer) PreferredSize() (int, int)

func (*ScrollContainer) Render 

func (s *ScrollContainer) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*ScrollContainer) SetLocation 

func (s *ScrollContainer) SetLocation(rect img.Rectangle)

func (*ScrollContainer) SetupInputLayer 

func (s *ScrollContainer) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

type ScrollContainerImage 

type ScrollContainerImage struct {
	Idle     *image.NineSlice
	Disabled *image.NineSlice
	Mask     *image.NineSlice
}

type ScrollContainerOpt 

type ScrollContainerOpt func(s *ScrollContainer)

type ScrollContainerOptions 

type ScrollContainerOptions struct {
}
var ScrollContainerOpts ScrollContainerOptions

func (ScrollContainerOptions) Content 

func (o ScrollContainerOptions) Content(c HasWidget) ScrollContainerOpt

func (ScrollContainerOptions) Image 

func (o ScrollContainerOptions) Image(i *ScrollContainerImage) ScrollContainerOpt

func (ScrollContainerOptions) Padding 

func (o ScrollContainerOptions) Padding(p Insets) ScrollContainerOpt

func (ScrollContainerOptions) StretchContentWidth 

func (o ScrollContainerOptions) StretchContentWidth() ScrollContainerOpt

func (ScrollContainerOptions) WidgetOpts 

func (o ScrollContainerOptions) WidgetOpts(opts ...WidgetOpt) ScrollContainerOpt

type SelectComboButton 

type SelectComboButton struct {
	EntrySelectedEvent *event.Event
	// contains filtered or unexported fields
}

func NewSelectComboButton 

func NewSelectComboButton(opts ...SelectComboButtonOpt) *SelectComboButton

func (*SelectComboButton) ContentVisible 

func (s *SelectComboButton) ContentVisible() bool

func (*SelectComboButton) GetWidget 

func (s *SelectComboButton) GetWidget() *Widget

func (*SelectComboButton) Label 

func (s *SelectComboButton) Label() string

func (*SelectComboButton) PreferredSize 

func (s *SelectComboButton) PreferredSize() (int, int)

func (*SelectComboButton) Render 

func (s *SelectComboButton) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*SelectComboButton) SelectedEntry 

func (s *SelectComboButton) SelectedEntry() interface{}

func (*SelectComboButton) SetContentVisible 

func (s *SelectComboButton) SetContentVisible(v bool)

func (*SelectComboButton) SetLabel 

func (s *SelectComboButton) SetLabel(l string)

func (*SelectComboButton) SetLocation 

func (s *SelectComboButton) SetLocation(rect image.Rectangle)

func (*SelectComboButton) SetSelectedEntry 

func (s *SelectComboButton) SetSelectedEntry(e interface{})

func (*SelectComboButton) SetupInputLayer 

func (s *SelectComboButton) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

type SelectComboButtonEntryLabelFunc 

type SelectComboButtonEntryLabelFunc func(e interface{}) string

type SelectComboButtonEntrySelectedEventArgs 

type SelectComboButtonEntrySelectedEventArgs struct {
	Button        *SelectComboButton
	Entry         interface{}
	PreviousEntry interface{}
}

type SelectComboButtonEntrySelectedHandlerFunc 

type SelectComboButtonEntrySelectedHandlerFunc func(args *SelectComboButtonEntrySelectedEventArgs)

type SelectComboButtonOpt 

type SelectComboButtonOpt func(s *SelectComboButton)

type SelectComboButtonOptions 

type SelectComboButtonOptions struct {
}
var SelectComboButtonOpts SelectComboButtonOptions

func (SelectComboButtonOptions) ComboButtonOpts 

func (o SelectComboButtonOptions) ComboButtonOpts(opts ...ComboButtonOpt) SelectComboButtonOpt

func (SelectComboButtonOptions) EntryLabelFunc 

func (o SelectComboButtonOptions) EntryLabelFunc(f SelectComboButtonEntryLabelFunc) SelectComboButtonOpt

func (SelectComboButtonOptions) EntrySelectedHandler 

func (o SelectComboButtonOptions) EntrySelectedHandler(f SelectComboButtonEntrySelectedHandlerFunc) SelectComboButtonOpt

type Slider 

type Slider struct {
	Min               int
	Max               int
	Current           int
	DrawTrackDisabled bool

	ChangedEvent *event.Event
	// contains filtered or unexported fields
}

func NewSlider 

func NewSlider(opts ...SliderOpt) *Slider

func (*Slider) GetWidget 

func (s *Slider) GetWidget() *Widget

func (*Slider) PreferredSize 

func (s *Slider) PreferredSize() (int, int)

func (*Slider) Render 

func (s *Slider) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*Slider) SetLocation 

func (s *Slider) SetLocation(rect img.Rectangle)

func (*Slider) SetupInputLayer 

func (s *Slider) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

type SliderChangedEventArgs 

type SliderChangedEventArgs struct {
	Slider   *Slider
	Current  int
	Dragging bool
}

type SliderChangedHandlerFunc 

type SliderChangedHandlerFunc func(args *SliderChangedEventArgs)

type SliderOpt 

type SliderOpt func(s *Slider)

type SliderOptions 

type SliderOptions struct {
}
var SliderOpts SliderOptions

func (SliderOptions) ChangedHandler 

func (o SliderOptions) ChangedHandler(f SliderChangedHandlerFunc) SliderOpt

func (SliderOptions) Direction 

func (o SliderOptions) Direction(d Direction) SliderOpt

func (SliderOptions) HandleSize 

func (o SliderOptions) HandleSize(s int) SliderOpt

func (SliderOptions) Images 

func (o SliderOptions) Images(track *SliderTrackImage, handle *ButtonImage) SliderOpt

func (SliderOptions) MinMax 

func (o SliderOptions) MinMax(min int, max int) SliderOpt

func (SliderOptions) PageSizeFunc 

func (o SliderOptions) PageSizeFunc(f SliderPageSizeFunc) SliderOpt

func (SliderOptions) TrackPadding 

func (o SliderOptions) TrackPadding(i Insets) SliderOpt

func (SliderOptions) WidgetOpts 

func (o SliderOptions) WidgetOpts(opts ...WidgetOpt) SliderOpt

type SliderPageSizeFunc 

type SliderPageSizeFunc func() int

type SliderTrackImage 

type SliderTrackImage struct {
	Idle     *image.NineSlice
	Hover    *image.NineSlice
	Disabled *image.NineSlice
}

type StateButton 

type StateButton struct {
	// TODO: changing this should fire an event
	State interface{}
	// contains filtered or unexported fields
}

func NewStateButton 

func NewStateButton(opts ...StateButtonOpt) *StateButton

func (*StateButton) GetWidget 

func (s *StateButton) GetWidget() *Widget

func (*StateButton) PreferredSize 

func (s *StateButton) PreferredSize() (int, int)

func (*StateButton) Render 

func (s *StateButton) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*StateButton) RequestRelayout 

func (s *StateButton) RequestRelayout()

func (*StateButton) SetLocation 

func (s *StateButton) SetLocation(rect image.Rectangle)

func (*StateButton) SetupInputLayer 

func (s *StateButton) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

type StateButtonOpt 

type StateButtonOpt func(s *StateButton)

type StateButtonOptions 

type StateButtonOptions struct {
}
var StateButtonOpts StateButtonOptions

func (StateButtonOptions) ButtonOpts 

func (o StateButtonOptions) ButtonOpts(opts ...ButtonOpt) StateButtonOpt

func (StateButtonOptions) StateImages 

func (o StateButtonOptions) StateImages(states map[interface{}]*ButtonImage) StateButtonOpt

type TabBook 

type TabBook struct {
	TabSelectedEvent *event.Event
	// contains filtered or unexported fields
}

func NewTabBook 

func NewTabBook(opts ...TabBookOpt) *TabBook

func (*TabBook) GetWidget 

func (t *TabBook) GetWidget() *Widget

func (*TabBook) PreferredSize 

func (t *TabBook) PreferredSize() (int, int)

func (*TabBook) Render 

func (t *TabBook) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*TabBook) RequestRelayout 

func (t *TabBook) RequestRelayout()

func (*TabBook) SetLocation 

func (t *TabBook) SetLocation(rect image.Rectangle)

func (*TabBook) SetTab 

func (t *TabBook) SetTab(tab *TabBookTab)

func (*TabBook) SetupInputLayer 

func (t *TabBook) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

func (*TabBook) Tab 

func (t *TabBook) Tab() *TabBookTab

type TabBookOpt 

type TabBookOpt func(t *TabBook)

type TabBookOptions 

type TabBookOptions struct {
}
var TabBookOpts TabBookOptions

func (TabBookOptions) ContainerOpts 

func (o TabBookOptions) ContainerOpts(opts ...ContainerOpt) TabBookOpt

func (TabBookOptions) FlipBookOpts 

func (o TabBookOptions) FlipBookOpts(opts ...FlipBookOpt) TabBookOpt

func (TabBookOptions) Spacing 

func (o TabBookOptions) Spacing(s int) TabBookOpt

func (TabBookOptions) TabButtonImage 

func (o TabBookOptions) TabButtonImage(idle *ButtonImage, selected *ButtonImage) TabBookOpt

func (TabBookOptions) TabButtonOpts 

func (o TabBookOptions) TabButtonOpts(opts ...StateButtonOpt) TabBookOpt

func (TabBookOptions) TabButtonSpacing 

func (o TabBookOptions) TabButtonSpacing(s int) TabBookOpt

func (TabBookOptions) TabButtonText 

func (o TabBookOptions) TabButtonText(face font.Face, color *ButtonTextColor) TabBookOpt

func (TabBookOptions) TabSelectedHandler 

func (o TabBookOptions) TabSelectedHandler(f TabBookTabSelectedHandlerFunc) TabBookOpt

func (TabBookOptions) Tabs 

func (o TabBookOptions) Tabs(tabs ...*TabBookTab) TabBookOpt

type TabBookTab 

type TabBookTab struct {
	Disabled bool
	// contains filtered or unexported fields
}

func NewTabBookTab 

func NewTabBookTab(label string, widget PreferredSizeLocateableWidget) *TabBookTab

type TabBookTabSelectedEventArgs 

type TabBookTabSelectedEventArgs struct {
	TabBook     *TabBook
	Tab         *TabBookTab
	PreviousTab *TabBookTab
}

type TabBookTabSelectedHandlerFunc 

type TabBookTabSelectedHandlerFunc func(args *TabBookTabSelectedEventArgs)

type Text 

type Text struct {
	Label string
	Face  font.Face
	Color color.Color
	// contains filtered or unexported fields
}

func NewText 

func NewText(opts ...TextOpt) *Text

func (*Text) GetWidget 

func (t *Text) GetWidget() *Widget

func (*Text) PreferredSize 

func (t *Text) PreferredSize() (int, int)

func (*Text) Render 

func (t *Text) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*Text) SetLocation 

func (t *Text) SetLocation(rect image.Rectangle)

type TextInput 

type TextInput struct {
	ChangedEvent *event.Event

	InputText string
	// contains filtered or unexported fields
}

func NewTextInput 

func NewTextInput(opts ...TextInputOpt) *TextInput

func (*TextInput) Focus 

func (t *TextInput) Focus(focused bool)

func (*TextInput) GetWidget 

func (t *TextInput) GetWidget() *Widget

func (*TextInput) PreferredSize 

func (t *TextInput) PreferredSize() (int, int)

func (*TextInput) Render 

func (t *TextInput) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*TextInput) SetLocation 

func (t *TextInput) SetLocation(rect img.Rectangle)

type TextInputChangedEventArgs 

type TextInputChangedEventArgs struct {
	TextInput *TextInput
	InputText string
}

type TextInputChangedHandlerFunc 

type TextInputChangedHandlerFunc func(args *TextInputChangedEventArgs)

type TextInputColor 

type TextInputColor struct {
	Idle          color.Color
	Disabled      color.Color
	Caret         color.Color
	DisabledCaret color.Color
}

type TextInputImage 

type TextInputImage struct {
	Idle     *image.NineSlice
	Disabled *image.NineSlice
}

type TextInputOpt 

type TextInputOpt func(t *TextInput)

type TextInputOptions 

type TextInputOptions struct {
}
var TextInputOpts TextInputOptions

func (TextInputOptions) CaretOpts 

func (o TextInputOptions) CaretOpts(opts ...CaretOpt) TextInputOpt

func (TextInputOptions) ChangedHandler 

func (o TextInputOptions) ChangedHandler(f TextInputChangedHandlerFunc) TextInputOpt

func (TextInputOptions) Color 

func (o TextInputOptions) Color(c *TextInputColor) TextInputOpt

func (TextInputOptions) Face 

func (o TextInputOptions) Face(f font.Face) TextInputOpt

func (TextInputOptions) Image 

func (o TextInputOptions) Image(i *TextInputImage) TextInputOpt

func (TextInputOptions) Padding 

func (o TextInputOptions) Padding(i Insets) TextInputOpt

func (TextInputOptions) Placeholder 

func (o TextInputOptions) Placeholder(s string) TextInputOpt

func (TextInputOptions) RepeatInterval 

func (o TextInputOptions) RepeatInterval(i time.Duration) TextInputOpt

func (TextInputOptions) Secure 

func (o TextInputOptions) Secure(b bool) TextInputOpt

func (TextInputOptions) Validation 

func (o TextInputOptions) Validation(f TextInputValidationFunc) TextInputOpt

func (TextInputOptions) WidgetOpts 

func (o TextInputOptions) WidgetOpts(opts ...WidgetOpt) TextInputOpt

type TextInputValidationFunc 

type TextInputValidationFunc func(newInputText string) bool

type TextOpt 

type TextOpt func(t *Text)

type TextOptions 

type TextOptions struct {
}
var TextOpts TextOptions

func (TextOptions) Position 

func (o TextOptions) Position(h TextPosition, v TextPosition) TextOpt

func (TextOptions) Text 

func (o TextOptions) Text(label string, face font.Face, color color.Color) TextOpt

func (TextOptions) WidgetOpts 

func (o TextOptions) WidgetOpts(opts ...WidgetOpt) TextOpt

type TextPosition 

type TextPosition int

type TextToolTip 

type TextToolTip struct {
	Label string
	// contains filtered or unexported fields
}

func NewTextToolTip 

func NewTextToolTip(opts ...TextToolTipOpt) *TextToolTip

func (*TextToolTip) GetWidget 

func (t *TextToolTip) GetWidget() *Widget

func (*TextToolTip) PreferredSize 

func (t *TextToolTip) PreferredSize() (int, int)

func (*TextToolTip) Render 

func (t *TextToolTip) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*TextToolTip) RequestRelayout 

func (t *TextToolTip) RequestRelayout()

func (*TextToolTip) SetLocation 

func (t *TextToolTip) SetLocation(rect img.Rectangle)

type TextToolTipOpt 

type TextToolTipOpt func(t *TextToolTip)

type TextToolTipOptions 

type TextToolTipOptions struct {
}
var TextToolTipOpts TextToolTipOptions

func (TextToolTipOptions) ContainerOpts 

func (o TextToolTipOptions) ContainerOpts(opts ...ContainerOpt) TextToolTipOpt

func (TextToolTipOptions) Padding 

func (o TextToolTipOptions) Padding(i Insets) TextToolTipOpt

func (TextToolTipOptions) TextOpts 

func (o TextToolTipOptions) TextOpts(opts ...TextOpt) TextToolTipOpt

type ToolTip 

type ToolTip struct {
	Sticky bool
	Delay  time.Duration
	// contains filtered or unexported fields
}

func NewToolTip 

func NewToolTip(opts ...ToolTipOpt) *ToolTip

func (*ToolTip) Render 

func (t *ToolTip) Render(screen *ebiten.Image, def DeferredRenderFunc)

type ToolTipContentsCreater 

type ToolTipContentsCreater interface {
	Create(HasWidget) ToolTipWidget
}

type ToolTipContentsUpdater 

type ToolTipContentsUpdater interface {
	Update(HasWidget)
}

type ToolTipOpt 

type ToolTipOpt func(t *ToolTip)

type ToolTipOptions 

type ToolTipOptions struct {
}
var ToolTipOpts ToolTipOptions

func (ToolTipOptions) Container 

func (o ToolTipOptions) Container(c Locater) ToolTipOpt

func (ToolTipOptions) ContentsCreater 

func (o ToolTipOptions) ContentsCreater(c ToolTipContentsCreater) ToolTipOpt

func (ToolTipOptions) Delay 

func (o ToolTipOptions) Delay(d time.Duration) ToolTipOpt

func (ToolTipOptions) Offset 

func (o ToolTipOptions) Offset(off img.Point) ToolTipOpt

func (ToolTipOptions) Sticky 

func (o ToolTipOptions) Sticky() ToolTipOpt

type ToolTipWidget 

type ToolTipWidget interface {
	PreferredSizer
	Locateable
	Renderer
}

type Widget 

type Widget struct {
	// Rect specifies the widget's position on screen. It is usually not set directly, but a Layouter is
	// used to set the position in relation to other widgets or the space available.
	Rect image.Rectangle

	// LayoutData specifies additional optional data for a Layouter that is used to layout this widget's
	// parent container. The exact type depends on the layout being used, for example, GridLayout requires
	// GridLayoutData to be used.
	LayoutData interface{}

	// Disabled specifies whether the widget is disabled, whatever that means. Disabled widgets should
	// usually render in some sort of "greyed out" visual state, and not react to user input.
	//
	// Not reacting to user input depends on the actual implementation. For example, List will not allow
	// entry selection via clicking, but the scrollbars will still be usable. The reasoning is that from
	// the user's perspective, scrolling does not change state, but only the display of that state.
	Disabled bool

	// CursorEnterEvent fires an event with *WidgetCursorEnterEventArgs when the cursor enters the widget's Rect.
	CursorEnterEvent *event.Event

	// CursorExitEvent fires an event with *WidgetCursorExitEventArgs when the cursor exits the widget's Rect.
	CursorExitEvent *event.Event

	// MouseButtonPressedEvent fires an event with *WidgetMouseButtonPressedEventArgs when a mouse button is pressed
	// while the cursor is inside the widget's Rect.
	MouseButtonPressedEvent *event.Event

	// MouseButtonReleasedEvent fires an event with *WidgetMouseButtonReleasedEventArgs when a mouse button is released
	// while the cursor is inside the widget's Rect.
	MouseButtonReleasedEvent *event.Event

	// ScrolledEvent fires an event with *WidgetScrolledEventArgs when the mouse wheel is scrolled while
	// the cursor is inside the widget's Rect.
	ScrolledEvent *event.Event

	FocusEvent *event.Event
	// contains filtered or unexported fields
}

A Widget is an abstraction of a user interface widget, such as a button. Actual widget implementations "have" a Widget in their internal structure.

func NewWidget 

func NewWidget(opts ...WidgetOpt) *Widget

NewWidget constructs a new Widget configured with opts.

func (*Widget) EffectiveInputLayer 

func (w *Widget) EffectiveInputLayer() *input.Layer

EffectiveInputLayer returns w's effective input layer. If w does not have an input layer, or if the input layer is no longer valid, it returns w's parent widget's effective input layer. If w does not have a parent widget, it returns input.DefaultLayer.

func (*Widget) ElevateToNewInputLayer 

func (w *Widget) ElevateToNewInputLayer(l *input.Layer)

ElevateToNewInputLayer adds l to the top of the input layer stack, then sets w's input layer to l.

func (*Widget) Parent 

func (w *Widget) Parent() *Widget

func (*Widget) Render 

func (w *Widget) Render(screen *ebiten.Image, def DeferredRenderFunc)

Render renders w onto screen. Since Widget is only an abstraction, it does not actually draw anything, but it is still responsible for firing events. Concrete widget implementations should always call this method first before rendering themselves.

func (*Widget) SetLocation 

func (w *Widget) SetLocation(rect image.Rectangle)

SetLocation sets w's position to rect. This is usually not called directly, but by a layout.

type WidgetCursorEnterEventArgs 

type WidgetCursorEnterEventArgs struct {
	Widget *Widget
}

WidgetCursorEnterEventArgs are the arguments for cursor enter events.

type WidgetCursorEnterHandlerFunc 

type WidgetCursorEnterHandlerFunc func(args *WidgetCursorEnterEventArgs) //nolint:golint

WidgetCursorEnterHandlerFunc is a function that handles cursor enter events.

type WidgetCursorExitEventArgs 

type WidgetCursorExitEventArgs struct {
	Widget *Widget
}

WidgetCursorExitEventArgs are the arguments for cursor exit events.

type WidgetCursorExitHandlerFunc 

type WidgetCursorExitHandlerFunc func(args *WidgetCursorExitEventArgs) //nolint:golint

WidgetCursorExitHandlerFunc is a function that handles cursor exit events.

type WidgetFocusEventArgs 

type WidgetFocusEventArgs struct {
	Widget  *Widget
	Focused bool
}

type WidgetMouseButtonPressedEventArgs 

type WidgetMouseButtonPressedEventArgs struct {
	Widget *Widget
	Button ebiten.MouseButton

	// OffsetX is the x offset relative to the widget's Rect.
	OffsetX int

	// OffsetY is the y offset relative to the widget's Rect.
	OffsetY int
}

WidgetMouseButtonPressedEventArgs are the arguments for mouse button press events.

type WidgetMouseButtonPressedHandlerFunc 

type WidgetMouseButtonPressedHandlerFunc func(args *WidgetMouseButtonPressedEventArgs) //nolint:golint

WidgetMouseButtonPressedHandlerFunc is a function that handles mouse button press events.

type WidgetMouseButtonReleasedEventArgs 

type WidgetMouseButtonReleasedEventArgs struct {
	Widget *Widget
	Button ebiten.MouseButton

	// Inside specifies whether the button has been released inside the widget's Rect.
	Inside bool

	// OffsetX is the x offset relative to the widget's Rect.
	OffsetX int

	// OffsetY is the y offset relative to the widget's Rect.
	OffsetY int
}

WidgetMouseButtonReleasedEventArgs are the arguments for mouse button release events.

type WidgetMouseButtonReleasedHandlerFunc 

type WidgetMouseButtonReleasedHandlerFunc func(args *WidgetMouseButtonReleasedEventArgs) //nolint:golint

WidgetMouseButtonReleasedHandlerFunc is a function that handles mouse button release events.

type WidgetOpt 

type WidgetOpt func(w *Widget) //nolint:golint

WidgetOpt is a function that configures w.

type WidgetOptions 

type WidgetOptions struct {
}
var WidgetOpts WidgetOptions

WidgetOpts contains functions that configure a Widget.

func (WidgetOptions) CursorEnterHandler 

func (o WidgetOptions) CursorEnterHandler(f WidgetCursorEnterHandlerFunc) WidgetOpt

WithCursorEnterHandler configures a Widget with cursor enter event handler f.

func (WidgetOptions) CursorExitHandler 

func (o WidgetOptions) CursorExitHandler(f WidgetCursorExitHandlerFunc) WidgetOpt

WithCursorExitHandler configures a Widget with cursor exit event handler f.

func (WidgetOptions) LayoutData 

func (o WidgetOptions) LayoutData(ld interface{}) WidgetOpt

WithLayoutData configures a Widget with layout data ld.

func (WidgetOptions) MouseButtonPressedHandler 

func (o WidgetOptions) MouseButtonPressedHandler(f WidgetMouseButtonPressedHandlerFunc) WidgetOpt

WithMouseButtonPressedHandler configures a Widget with mouse button press event handler f.

func (WidgetOptions) MouseButtonReleasedHandler 

func (o WidgetOptions) MouseButtonReleasedHandler(f WidgetMouseButtonReleasedHandlerFunc) WidgetOpt

WithMouseButtonReleasedHandler configures a Widget with mouse button release event handler f.

func (WidgetOptions) ScrolledHandler 

func (o WidgetOptions) ScrolledHandler(f WidgetScrolledHandlerFunc) WidgetOpt

WithScrolledHandler configures a Widget with mouse wheel scroll event handler f.

type WidgetScrolledEventArgs 

type WidgetScrolledEventArgs struct {
	Widget *Widget
	X      float64
	Y      float64
}

WidgetScrolledEventArgs are the arguments for mouse wheel scroll events.

type WidgetScrolledHandlerFunc 

type WidgetScrolledHandlerFunc func(args *WidgetScrolledEventArgs) //nolint:golint

WidgetScrolledHandlerFunc is a function that handles mouse wheel scroll events.

type Window 

type Window struct {
	Modal bool
	// contains filtered or unexported fields
}

func NewWindow 

func NewWindow(opts ...WindowOpt) *Window

func (*Window) Render 

func (w *Window) Render(screen *ebiten.Image, def DeferredRenderFunc)

func (*Window) RequestRelayout 

func (w *Window) RequestRelayout()

func (*Window) SetLocation 

func (w *Window) SetLocation(rect image.Rectangle)

func (*Window) SetupInputLayer 

func (w *Window) SetupInputLayer(def input.DeferredSetupInputLayerFunc)

type WindowOpt 

type WindowOpt func(w *Window)

type WindowOptions 

type WindowOptions struct {
}
var WindowOpts WindowOptions

func (WindowOptions) Contents 

func (o WindowOptions) Contents(c *Container) WindowOpt

func (WindowOptions) Modal 

func (o WindowOptions) Modal() WindowOpt

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