ui

package module
v0.0.0-...-5e8e24f Latest Latest
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 Go to latest Published: Apr 9, 2017 License: MIT Imports: 13 Imported by: 0

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A game UI for golang with boilerplate to run with ebiten.

Example usage

package main

import "github.com/martinlindhe/gameui"

const (
    width, height = 320, 200
    fontName      = "_resources/font/open_dyslexic/OpenDyslexic3-Regular.ttf"
)

var (
    gui       = ui.New(width, height)
    font12, _ = ui.NewFont(fontName, 12, 72, ui.White)
)

func main() {
    // add a text element
    text := ui.NewText(font12).SetText("hello")
    text.Position = ui.Point{X: width/2 - text.GetWidth()/2, Y: height / 3}
    gui.AddComponent(text)

    if err := gui.Update(); err != nil {
        return err
    }

    // get a image.Image
    img := gui.Render()
}

Full example using ebiten:

go get github.com/martinlindhe/gameui
cd $GOPATH/src/github.com/martinlindhe/gameui
go run examples/tooltip/main.go

See the examples folder for more examples

License

Under MIT

Documentation

Index

Constants

View Source 
const (
	Key0         = Key(ebiten.Key0)
	Key1         = Key(ebiten.Key1)
	Key2         = Key(ebiten.Key2)
	Key3         = Key(ebiten.Key3)
	Key4         = Key(ebiten.Key4)
	Key5         = Key(ebiten.Key5)
	Key6         = Key(ebiten.Key6)
	Key7         = Key(ebiten.Key7)
	Key8         = Key(ebiten.Key8)
	Key9         = Key(ebiten.Key9)
	KeyA         = Key(ebiten.KeyA)
	KeyB         = Key(ebiten.KeyB)
	KeyC         = Key(ebiten.KeyC)
	KeyD         = Key(ebiten.KeyD)
	KeyE         = Key(ebiten.KeyE)
	KeyF         = Key(ebiten.KeyF)
	KeyG         = Key(ebiten.KeyG)
	KeyH         = Key(ebiten.KeyH)
	KeyI         = Key(ebiten.KeyI)
	KeyJ         = Key(ebiten.KeyJ)
	KeyK         = Key(ebiten.KeyK)
	KeyL         = Key(ebiten.KeyL)
	KeyM         = Key(ebiten.KeyM)
	KeyN         = Key(ebiten.KeyN)
	KeyO         = Key(ebiten.KeyO)
	KeyP         = Key(ebiten.KeyP)
	KeyQ         = Key(ebiten.KeyQ)
	KeyR         = Key(ebiten.KeyR)
	KeyS         = Key(ebiten.KeyS)
	KeyT         = Key(ebiten.KeyT)
	KeyU         = Key(ebiten.KeyU)
	KeyV         = Key(ebiten.KeyV)
	KeyW         = Key(ebiten.KeyW)
	KeyX         = Key(ebiten.KeyX)
	KeyY         = Key(ebiten.KeyY)
	KeyZ         = Key(ebiten.KeyZ)
	KeyAlt       = Key(ebiten.KeyAlt)
	KeyBackspace = Key(ebiten.KeyBackspace)
	KeyCapsLock  = Key(ebiten.KeyCapsLock)
	KeyComma     = Key(ebiten.KeyComma)
	KeyControl   = Key(ebiten.KeyControl)
	KeyDelete    = Key(ebiten.KeyDelete)
	KeyDown      = Key(ebiten.KeyDown)
	KeyEnd       = Key(ebiten.KeyEnd)
	KeyEnter     = Key(ebiten.KeyEnter)
	KeyEscape    = Key(ebiten.KeyEscape)
	KeyF1        = Key(ebiten.KeyF1)
	KeyF2        = Key(ebiten.KeyF2)
	KeyF3        = Key(ebiten.KeyF3)
	KeyF4        = Key(ebiten.KeyF4)
	KeyF5        = Key(ebiten.KeyF5)
	KeyF6        = Key(ebiten.KeyF6)
	KeyF7        = Key(ebiten.KeyF7)
	KeyF8        = Key(ebiten.KeyF8)
	KeyF9        = Key(ebiten.KeyF9)
	KeyF10       = Key(ebiten.KeyF10)
	KeyF11       = Key(ebiten.KeyF11)
	KeyF12       = Key(ebiten.KeyF12)
	KeyHome      = Key(ebiten.KeyHome)
	KeyInsert    = Key(ebiten.KeyInsert)
	KeyLeft      = Key(ebiten.KeyLeft)
	KeyPageDown  = Key(ebiten.KeyPageDown)
	KeyPageUp    = Key(ebiten.KeyPageUp)
	KeyPeriod    = Key(ebiten.KeyPeriod)
	KeyRight     = Key(ebiten.KeyRight)
	KeyShift     = Key(ebiten.KeyShift)
	KeySpace     = Key(ebiten.KeySpace)
	KeyTab       = Key(ebiten.KeyTab)
	KeyUp        = Key(ebiten.KeyUp)
	KeyMax       = KeyUp
)

Keys

View Source 
const (
	MouseButtonLeft   = MouseButton(ebiten.MouseButtonLeft)
	MouseButtonRight  = MouseButton(ebiten.MouseButtonRight)
	MouseButtonMiddle = MouseButton(ebiten.MouseButtonMiddle)
)

MouseButtons

Variables

View Source 
var (
	Black       = color.Black
	White       = color.White
	Red         = color.RGBA{255, 0, 0, 255}
	Green       = color.RGBA{0, 255, 0, 255}
	Blue        = color.RGBA{0, 0, 255, 255}
	Yellow      = color.RGBA{255, 255, 0, 255}
	Purple      = color.RGBA{255, 0, 255, 255}
	Brown       = color.RGBA{139, 69, 19, 255}
	Orange      = color.RGBA{255, 165, 0, 255}
	Pink        = color.RGBA{255, 105, 180, 255}
	DarkGrey    = color.RGBA{169, 169, 169, 255}
	LightGrey   = color.RGBA{211, 211, 211, 255}
	Transparent = color.Transparent
	Opaque      = color.Opaque
)

...

Functions

func CheckUI 

func CheckUI(ui *UI) bool

CheckUI performs some sanity checks on the UI instance in order to detect programmatic errors returns true if checks passed

func DecodeImage 

func DecodeImage(r io.Reader) (image.Image, error)

DecodeImage reads an image from r

func DrawRect 

func DrawRect(img draw.Image, r image.Rectangle, col color.Color)

DrawRect ...

func LoadTiles 

func LoadTiles(imgFile string, tileWidth, tileHeight int) (res []image.Image)

LoadTiles ...

func OpenImage 

func OpenImage(filename string) (image.Image, error)

OpenImage loads an image from file. based on Open from disintegration/imaging https://github.com/disintegration/imaging/blob/master/helpers.go#L68

func RequireImage 

func RequireImage(filename string) image.Image

RequireImage loads an image or exits if not successful

Types

type Bar 

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

Bar is a progress bar (UI component)

func NewBar 

func NewBar(width, height int) *Bar

NewBar creates a new Bar

func (*Bar) Click 

func (c *Bar) Click(mouse Point) bool

Click returns true if click was handled

func (*Bar) Draw 

func (bar *Bar) Draw(mx, my int) *image.RGBA

Draw redraws internal buffer

func (*Bar) GetBounds 

func (c *Bar) GetBounds() image.Rectangle

func (*Bar) GetPosition 

func (c *Bar) GetPosition() Point

func (*Bar) GetValue 

func (bar *Bar) GetValue() int

GetValue returns the value (0-100, percent)

func (*Bar) Hide 

func (c *Bar) Hide()

Hide makes component hidden

func (*Bar) Hover 

func (c *Bar) Hover(b bool)

Hover sets the mouse hovering state for component

func (*Bar) IncValue 

func (bar *Bar) IncValue(i int) int

IncValue increases value by `i` up to 100 and returns the new value

func (*Bar) IsClean 

func (c *Bar) IsClean() bool

IsClean returns false if component needs redraw

func (*Bar) IsHidden 

func (c *Bar) IsHidden() bool

func (*Bar) IsMouseOver 

func (c *Bar) IsMouseOver() bool

func (*Bar) Move 

func (c *Bar) Move(x, y int)

func (*Bar) RemoveAllChildren 

func (c *Bar) RemoveAllChildren()

RemoveAllChildren removes all children from the component

func (*Bar) SetBackgroundColor 

func (c *Bar) SetBackgroundColor(col color.Color)

SetBackgroundColor sets the background color

func (*Bar) SetBorderColor 

func (bar *Bar) SetBorderColor(c color.Color)

SetBorderColor sets the border color

func (*Bar) SetFillColor 

func (bar *Bar) SetFillColor(c color.Color)

SetFillColor sets the fill color

func (*Bar) SetFillImage 

func (bar *Bar) SetFillImage(img image.Image)

SetFillImage sets the fill image. If set, is used instead of fill color

func (*Bar) SetPosition 

func (c *Bar) SetPosition(pos Point)

func (*Bar) SetTooltip 

func (c *Bar) SetTooltip(s string)

SetTooltip sets the tooltip

func (*Bar) SetValue 

func (bar *Bar) SetValue(v int)

SetValue accepts a value between 0-100

func (*Bar) SetVisibility 

func (c *Bar) SetVisibility(b bool)

SetVisibility changes visibility of component

func (*Bar) Show 

func (c *Bar) Show()

Show makes component visible

func (*Bar) Tooltip 

func (c *Bar) Tooltip() *Button

Tooltip returns the current tooltip

type Button 

type Button struct {
	Text *Text
	// contains filtered or unexported fields
}

Button is a button (UI component)

func NewButton 

func NewButton(width, height int) *Button

NewButton ...

func (*Button) Click 

func (c *Button) Click(mouse Point) bool

Click returns true if click was handled

func (*Button) Draw 

func (btn *Button) Draw(mx, my int) *image.RGBA

Draw redraws internal buffer

func (*Button) GetBounds 

func (c *Button) GetBounds() image.Rectangle

func (*Button) GetPosition 

func (c *Button) GetPosition() Point

func (*Button) Hide 

func (c *Button) Hide()

Hide makes component hidden

func (*Button) Hover 

func (c *Button) Hover(b bool)

Hover sets the mouse hovering state for component

func (*Button) IsClean 

func (c *Button) IsClean() bool

IsClean returns false if component needs redraw

func (*Button) IsHidden 

func (c *Button) IsHidden() bool

func (*Button) IsMouseOver 

func (c *Button) IsMouseOver() bool

func (*Button) Move 

func (c *Button) Move(x, y int)

func (*Button) RemoveAllChildren 

func (c *Button) RemoveAllChildren()

RemoveAllChildren removes all children from the component

func (*Button) SetBackgroundColor 

func (c *Button) SetBackgroundColor(col color.Color)

SetBackgroundColor sets the background color

func (*Button) SetBorderColor 

func (btn *Button) SetBorderColor(c color.Color)

SetBorderColor sets the border color

func (*Button) SetIcon 

func (btn *Button) SetIcon(img image.Image)

SetIcon a image to show on button, instead of text

func (*Button) SetPosition 

func (c *Button) SetPosition(pos Point)

func (*Button) SetText 

func (btn *Button) SetText(fnt *Font, s string) *Button

SetText sets the button text

func (*Button) SetTooltip 

func (c *Button) SetTooltip(s string)

SetTooltip sets the tooltip

func (*Button) SetVisibility 

func (c *Button) SetVisibility(b bool)

SetVisibility changes visibility of component

func (*Button) Show 

func (c *Button) Show()

Show makes component visible

func (*Button) Tooltip 

func (c *Button) Tooltip() *Button

Tooltip returns the current tooltip

type Color 

type Color color.Color

Color ...

type Component 

type Component interface {
	Draw(mx, my int) *image.RGBA // returns nil if no image is drawn
	GetBounds() image.Rectangle
	Hover(bool)
	Move(int, int)
	IsClean() bool
	IsHidden() bool
	Click(Point) bool
	IsMouseOver() bool
	Tooltip() *Button
}

Component represents any type of UI component

type Dimension 

type Dimension struct {
	Width, Height int
}

Dimension represents a size in 2D space

type Font 

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

Font is a font resource

func NewFont 

func NewFont(fontName string, size float64, dpi float64, col color.Color) (*Font, error)

NewFont prepares a new font resource for use

func (*Font) Print 

func (fnt *Font) Print(text string) (*image.RGBA, error)

Print draws text using the font

type GracefulExitError 

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

GracefulExitError is used to signal a graceful shutdown

func (GracefulExitError) Error 

func (e GracefulExitError) Error() string

type Group 

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

Group is a container of more components, similar to a transparent Window

func NewGroup 

func NewGroup(width, height int) *Group

NewGroup creates a new Group

func (*Group) AddChild 

func (grp *Group) AddChild(c Component)

AddChild adds a child to the group

func (*Group) Click 

func (grp *Group) Click(mouse Point) bool

Click pass click to window child components

func (*Group) Draw 

func (grp *Group) Draw(mx, my int) *image.RGBA

Draw redraws internal buffer

func (*Group) GetBounds 

func (c *Group) GetBounds() image.Rectangle

func (*Group) GetPosition 

func (c *Group) GetPosition() Point

func (*Group) Hide 

func (c *Group) Hide()

Hide makes component hidden

func (*Group) Hover 

func (c *Group) Hover(b bool)

Hover sets the mouse hovering state for component

func (*Group) IsClean 

func (c *Group) IsClean() bool

IsClean returns false if component needs redraw

func (*Group) IsHidden 

func (c *Group) IsHidden() bool

func (*Group) IsMouseOver 

func (c *Group) IsMouseOver() bool

func (*Group) Move 

func (c *Group) Move(x, y int)

func (*Group) RemoveAllChildren 

func (c *Group) RemoveAllChildren()

RemoveAllChildren removes all children from the component

func (*Group) SetBackgroundColor 

func (c *Group) SetBackgroundColor(col color.Color)

SetBackgroundColor sets the background color

func (*Group) SetPosition 

func (c *Group) SetPosition(pos Point)

func (*Group) SetTooltip 

func (c *Group) SetTooltip(s string)

SetTooltip sets the tooltip

func (*Group) SetVisibility 

func (c *Group) SetVisibility(b bool)

SetVisibility changes visibility of component

func (*Group) Show 

func (c *Group) Show()

Show makes component visible

func (*Group) Tooltip 

func (c *Group) Tooltip() *Button

Tooltip returns the current tooltip

type Icon 

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

Icon is a icon (UI component)

func NewIcon 

func NewIcon(img image.Image) *Icon

NewIcon creates a new icon

func (*Icon) Click 

func (c *Icon) Click(mouse Point) bool

Click returns true if click was handled

func (*Icon) Draw 

func (ico *Icon) Draw(mx, my int) *image.RGBA

Draw ...

func (*Icon) GetBounds 

func (c *Icon) GetBounds() image.Rectangle

func (*Icon) GetPosition 

func (c *Icon) GetPosition() Point

func (*Icon) Hide 

func (c *Icon) Hide()

Hide makes component hidden

func (*Icon) Hover 

func (c *Icon) Hover(b bool)

Hover sets the mouse hovering state for component

func (*Icon) IsClean 

func (c *Icon) IsClean() bool

IsClean returns false if component needs redraw

func (*Icon) IsHidden 

func (c *Icon) IsHidden() bool

func (*Icon) IsMouseOver 

func (c *Icon) IsMouseOver() bool

func (*Icon) Move 

func (c *Icon) Move(x, y int)

func (*Icon) RemoveAllChildren 

func (c *Icon) RemoveAllChildren()

RemoveAllChildren removes all children from the component

func (*Icon) SetBackgroundColor 

func (c *Icon) SetBackgroundColor(col color.Color)

SetBackgroundColor sets the background color

func (*Icon) SetIcon 

func (ico *Icon) SetIcon(img image.Image)

SetIcon sets the icon

func (*Icon) SetPosition 

func (c *Icon) SetPosition(pos Point)

func (*Icon) SetTooltip 

func (c *Icon) SetTooltip(s string)

SetTooltip sets the tooltip

func (*Icon) SetVisibility 

func (c *Icon) SetVisibility(b bool)

SetVisibility changes visibility of component

func (*Icon) Show 

func (c *Icon) Show()

Show makes component visible

func (*Icon) Tooltip 

func (c *Icon) Tooltip() *Button

Tooltip returns the current tooltip

type IconGroup 

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

IconGroup is a tile-hased grid display of object icons

func NewIconGroup 

func NewIconGroup(columns, rows, iconWidth, iconHeight int) *IconGroup

NewIconGroup ...

func (*IconGroup) AddObject 

func (grp *IconGroup) AddObject(o IconGroupObject)

AddObject adds an object to display in the group

func (*IconGroup) Click 

func (grp *IconGroup) Click(mouse Point) bool

Click pass click to child icon (click has happened)

func (*IconGroup) Draw 

func (grp *IconGroup) Draw(mx, my int) *image.RGBA

Draw redraws internal buffer

func (*IconGroup) GetBounds 

func (c *IconGroup) GetBounds() image.Rectangle

func (*IconGroup) GetPosition 

func (c *IconGroup) GetPosition() Point

func (*IconGroup) Hide 

func (c *IconGroup) Hide()

Hide makes component hidden

func (*IconGroup) Hover 

func (c *IconGroup) Hover(b bool)

Hover sets the mouse hovering state for component

func (*IconGroup) IsClean 

func (c *IconGroup) IsClean() bool

IsClean returns false if component needs redraw

func (*IconGroup) IsHidden 

func (c *IconGroup) IsHidden() bool

func (*IconGroup) IsMouseOver 

func (c *IconGroup) IsMouseOver() bool

func (*IconGroup) Move 

func (c *IconGroup) Move(x, y int)

func (*IconGroup) RemoveAllChildren 

func (c *IconGroup) RemoveAllChildren()

RemoveAllChildren removes all children from the component

func (*IconGroup) RemoveAllObjects 

func (grp *IconGroup) RemoveAllObjects()

RemoveAllObjects removes all displayed content

func (*IconGroup) RemoveObjectByID 

func (grp *IconGroup) RemoveObjectByID(id uint64)

RemoveObjectByID ...

func (*IconGroup) SetBackgroundColor 

func (c *IconGroup) SetBackgroundColor(col color.Color)

SetBackgroundColor sets the background color

func (*IconGroup) SetBorderColor 

func (grp *IconGroup) SetBorderColor(c color.Color)

SetBorderColor sets the border color

func (*IconGroup) SetPosition 

func (c *IconGroup) SetPosition(pos Point)

func (*IconGroup) SetTooltip 

func (c *IconGroup) SetTooltip(s string)

SetTooltip sets the tooltip

func (*IconGroup) SetVisibility 

func (c *IconGroup) SetVisibility(b bool)

SetVisibility changes visibility of component

func (*IconGroup) Show 

func (c *IconGroup) Show()

Show makes component visible

func (*IconGroup) Tooltip 

func (c *IconGroup) Tooltip() *Button

Tooltip returns the current tooltip

type IconGroupObject 

type IconGroupObject interface {
	Name() string
	Icon() image.Image
	Click()
	ID() uint64
}

IconGroupObject is something that is contained in the icon group

type Input 

type Input struct {
	X, Y int
	// contains filtered or unexported fields
}

Input ...

func (*Input) ConsumeStateForMouse 

func (i *Input) ConsumeStateForMouse(mouse MouseButton)

ConsumeStateForMouse makes the mouse state been consumed, so click-thru doesn't happen

func (*Input) StateForKey 

func (i *Input) StateForKey(key Key) bool

StateForKey returns true once when the key starts to be pressed

func (*Input) StateForMouse 

func (i *Input) StateForMouse(mouse MouseButton) bool

StateForMouse ...

func (*Input) WasPressed 

func (i *Input) WasPressed(key Key) bool

WasPressed returns true if key was pressed (for ctrl, alt etc)

type Key 

type Key int

A Key represents a keyboard key.

type Line 

type Line interface {
	Text() string
}

Line defines the interface for lines of text usable with the List object

type List 

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

List holds a number of rows of text, each is clickable (UI component)

func NewList 

func NewList(width, height int) *List

NewList ...

func (*List) AddLine 

func (lst *List) AddLine(l Line, fnt *Font, fnc func())

AddLine ...

func (*List) Click 

func (lst *List) Click(mouse Point) bool

Click pass click to window child components

func (*List) Draw 

func (lst *List) Draw(mx, my int) *image.RGBA

Draw redraws internal buffer

func (*List) GetBounds 

func (c *List) GetBounds() image.Rectangle

func (*List) GetPosition 

func (c *List) GetPosition() Point

func (*List) Hide 

func (c *List) Hide()

Hide makes component hidden

func (*List) Hover 

func (c *List) Hover(b bool)

Hover sets the mouse hovering state for component

func (*List) IsClean 

func (c *List) IsClean() bool

IsClean returns false if component needs redraw

func (*List) IsHidden 

func (c *List) IsHidden() bool

func (*List) IsMouseOver 

func (c *List) IsMouseOver() bool

func (*List) Move 

func (c *List) Move(x, y int)

func (*List) RemoveAllChildren 

func (c *List) RemoveAllChildren()

RemoveAllChildren removes all children from the component

func (*List) SetBackgroundColor 

func (c *List) SetBackgroundColor(col color.Color)

SetBackgroundColor sets the background color

func (*List) SetPosition 

func (c *List) SetPosition(pos Point)

func (*List) SetRowHeight 

func (lst *List) SetRowHeight(n int)

SetRowHeight sets the list row height

func (*List) SetTooltip 

func (c *List) SetTooltip(s string)

SetTooltip sets the tooltip

func (*List) SetVisibility 

func (c *List) SetVisibility(b bool)

SetVisibility changes visibility of component

func (*List) Show 

func (c *List) Show()

Show makes component visible

func (*List) Tooltip 

func (c *List) Tooltip() *Button

Tooltip returns the current tooltip

type MouseButton 

type MouseButton int

A MouseButton represents a mouse button.

type Point 

type Point image.Point

Point is a absolute position

func (*Point) In 

func (p *Point) In(rect image.Rectangle) bool

In returns true if `p` is inside of `rect`

type Positioner 

type Positioner interface {
	GetPosition() Point
	SetPosition(Point)
}

Positioner ...

type Text 

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

Text is a line of text (UI component)

func NewText 

func NewText(font *Font) *Text

NewText creates a new Text instance

func (*Text) Click 

func (c *Text) Click(mouse Point) bool

Click returns true if click was handled

func (*Text) Draw 

func (txt *Text) Draw(mx, my int) *image.RGBA

Draw redraws internal buffer

func (*Text) GetBounds 

func (c *Text) GetBounds() image.Rectangle

func (*Text) GetHeight 

func (txt *Text) GetHeight() int

GetHeight returns the rendered height in pixel

func (*Text) GetPosition 

func (c *Text) GetPosition() Point

func (*Text) GetText 

func (txt *Text) GetText() string

GetText returns the text

func (*Text) GetWidth 

func (txt *Text) GetWidth() int

GetWidth returns the rendered width in pixel

func (*Text) Hide 

func (c *Text) Hide()

Hide makes component hidden

func (*Text) Hover 

func (c *Text) Hover(b bool)

Hover sets the mouse hovering state for component

func (*Text) IsClean 

func (c *Text) IsClean() bool

IsClean returns false if component needs redraw

func (*Text) IsHidden 

func (c *Text) IsHidden() bool

func (*Text) IsMouseOver 

func (c *Text) IsMouseOver() bool

func (*Text) Move 

func (c *Text) Move(x, y int)

func (*Text) RemoveAllChildren 

func (c *Text) RemoveAllChildren()

RemoveAllChildren removes all children from the component

func (*Text) SetBackgroundColor 

func (c *Text) SetBackgroundColor(col color.Color)

SetBackgroundColor sets the background color

func (*Text) SetFont 

func (txt *Text) SetFont(font *Font)

SetFont sets the font to use

func (*Text) SetPosition 

func (c *Text) SetPosition(pos Point)

func (*Text) SetText 

func (txt *Text) SetText(s string) *Text

SetText sets the text

func (*Text) SetTooltip 

func (c *Text) SetTooltip(s string)

SetTooltip sets the tooltip

func (*Text) SetVisibility 

func (c *Text) SetVisibility(b bool)

SetVisibility changes visibility of component

func (*Text) Show 

func (c *Text) Show()

Show makes component visible

func (*Text) Tooltip 

func (c *Text) Tooltip() *Button

Tooltip returns the current tooltip

type UI 

type UI struct {
	WindowTitle string
	Input       Input
	// contains filtered or unexported fields
}

UI represents an instance of the UI

func New 

func New(width, height int) *UI

New creates a new UI instance

func (*UI) AddComponent 

func (ui *UI) AddComponent(o Component)

AddComponent adds a component to the ui

func (*UI) AddKeyFunc 

func (ui *UI) AddKeyFunc(key Key, fnc func() error)

AddKeyFunc registers a function to run on key press

func (*UI) Click 

func (c *UI) Click(mouse Point) bool

Click returns true if click was handled

func (*UI) GetBounds 

func (c *UI) GetBounds() image.Rectangle

func (*UI) GetPosition 

func (c *UI) GetPosition() Point

func (*UI) Hide 

func (c *UI) Hide()

Hide makes component hidden

func (*UI) Hover 

func (c *UI) Hover(b bool)

Hover sets the mouse hovering state for component

func (*UI) IsClean 

func (ui *UI) IsClean() bool

IsClean returns true if all UI components are clean

func (*UI) IsHidden 

func (c *UI) IsHidden() bool

func (*UI) IsMouseOver 

func (c *UI) IsMouseOver() bool

func (*UI) Move 

func (c *UI) Move(x, y int)

func (*UI) RemoveAllChildren 

func (c *UI) RemoveAllChildren()

RemoveAllChildren removes all children from the component

func (*UI) Render 

func (ui *UI) Render() image.Image

Render returns a fresh frame of the GUI. mx, my is absolute mouse position

func (*UI) SetBackgroundColor 

func (c *UI) SetBackgroundColor(col color.Color)

SetBackgroundColor sets the background color

func (*UI) SetPosition 

func (c *UI) SetPosition(pos Point)

func (*UI) SetTooltip 

func (c *UI) SetTooltip(s string)

SetTooltip sets the tooltip

func (*UI) SetVisibility 

func (c *UI) SetVisibility(b bool)

SetVisibility changes visibility of component

func (*UI) SetWindowTitle 

func (ui *UI) SetWindowTitle(s string)

SetWindowTitle sets the title of the application window

func (*UI) Show 

func (c *UI) Show()

Show makes component visible

func (*UI) Tooltip 

func (c *UI) Tooltip() *Button

Tooltip returns the current tooltip

func (*UI) Update 

func (ui *UI) Update() error

Update is called on every frame from the ebiten.Run update callback

type Window 

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

Window is a window (UI component)

func NewWindow 

func NewWindow(width, height int, titleText string) *Window

NewWindow creates a new window with height of `height` + height of title bar

func (*Window) AddChild 

func (wnd *Window) AddChild(c Component)

AddChild adds a child to the window

func (*Window) Click 

func (wnd *Window) Click(mouse Point) bool

Click pass click to window child components

func (*Window) Draw 

func (wnd *Window) Draw(mx, my int) *image.RGBA

Draw redraws internal buffer

func (*Window) GetBounds 

func (c *Window) GetBounds() image.Rectangle

func (*Window) GetPosition 

func (c *Window) GetPosition() Point

func (*Window) Hide 

func (c *Window) Hide()

Hide makes component hidden

func (*Window) HideCloseButton 

func (wnd *Window) HideCloseButton()

HideCloseButton ...

func (*Window) HideTitle 

func (wnd *Window) HideTitle()

HideTitle ...

func (*Window) Hover 

func (c *Window) Hover(b bool)

Hover sets the mouse hovering state for component

func (*Window) IsClean 

func (c *Window) IsClean() bool

IsClean returns false if component needs redraw

func (*Window) IsHidden 

func (c *Window) IsHidden() bool

func (*Window) IsMouseOver 

func (c *Window) IsMouseOver() bool

func (*Window) Move 

func (c *Window) Move(x, y int)

func (*Window) RemoveAllChildren 

func (c *Window) RemoveAllChildren()

RemoveAllChildren removes all children from the component

func (*Window) SetBackgroundColor 

func (c *Window) SetBackgroundColor(col color.Color)

SetBackgroundColor sets the background color

func (*Window) SetBorderColor 

func (wnd *Window) SetBorderColor(col color.Color)

SetBorderColor ...

func (*Window) SetPosition 

func (c *Window) SetPosition(pos Point)

func (*Window) SetTitle 

func (wnd *Window) SetTitle(s string) *Window

SetTitle ...

func (*Window) SetTitleColor 

func (wnd *Window) SetTitleColor(col color.Color)

SetTitleColor ...

func (*Window) SetTooltip 

func (c *Window) SetTooltip(s string)

SetTooltip sets the tooltip

func (*Window) SetVisibility 

func (c *Window) SetVisibility(b bool)

SetVisibility changes visibility of component

func (*Window) Show 

func (c *Window) Show()

Show makes component visible

func (*Window) TitlebarHeight 

func (wnd *Window) TitlebarHeight() int

TitlebarHeight ...

func (*Window) Tooltip 

func (c *Window) Tooltip() *Button

Tooltip returns the current tooltip

Source Files

View all Source files

Directories

Path Synopsis
examples
bars
dialog
icongroup
togglegroup
tooltip
window

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