viewport

Documentation

Index

• type ViewportLine
  • func (l *ViewportLine) CanvasObjects(viewport *ViewportWidget) []fyne.CanvasObject
  • func (l *ViewportLine) Refresh(viewport *ViewportWidget)
• type ViewportObject
• type ViewportWidget
  • func NewViewportWidget(width, height int) *ViewportWidget
  • func (w *ViewportWidget) CreateRenderer() fyne.WidgetRenderer
  • func (w *ViewportWidget) Cursor() desktop.Cursor
  • func (w *ViewportWidget) DragEnd()
  • func (w *ViewportWidget) Dragged(event *fyne.DragEvent)
  • func (w *ViewportWidget) MouseIn(event *desktop.MouseEvent)
  • func (w *ViewportWidget) MouseMoved(event *desktop.MouseEvent)
  • func (w *ViewportWidget) MouseOut()
  • func (w *ViewportWidget) Scrolled(ev *fyne.ScrollEvent)
  • func (w *ViewportWidget) Tapped(ev *fyne.PointEvent)
  • func (w *ViewportWidget) TappedSecondary(ev *fyne.PointEvent)

Types

type ViewportLine

type ViewportLine struct {
	X1          float64
	Y1          float64
	X2          float64
	Y2          float64
	StrokeColor color.Color
	StrokeWidth float64
	// contains filtered or unexported fields
}

func (*ViewportLine) CanvasObjects

func (l *ViewportLine) CanvasObjects(viewport *ViewportWidget) []fyne.CanvasObject

func (*ViewportLine) Refresh

func (l *ViewportLine) Refresh(viewport *ViewportWidget)

type ViewportObject

type ViewportObject interface {
	CanvasObjects(viewport *ViewportWidget) []fyne.CanvasObject
	Refresh(viewport *ViewportWidget)
}

type ViewportWidget

type ViewportWidget struct {
	widget.BaseWidget
	Width   int
	Height  int
	Zoom    float64
	XOffset float64
	YOffset float64
	Objects []ViewportObject
}

func NewViewportWidget

func NewViewportWidget(width, height int) *ViewportWidget

func (*ViewportWidget) CreateRenderer

func (w *ViewportWidget) CreateRenderer() fyne.WidgetRenderer

func (*ViewportWidget) Cursor

func (w *ViewportWidget) Cursor() desktop.Cursor

func (*ViewportWidget) DragEnd

func (w *ViewportWidget) DragEnd()

func (*ViewportWidget) Dragged

func (w *ViewportWidget) Dragged(event *fyne.DragEvent)

func (*ViewportWidget) MouseIn

func (w *ViewportWidget) MouseIn(event *desktop.MouseEvent)

func (*ViewportWidget) MouseMoved

func (w *ViewportWidget) MouseMoved(event *desktop.MouseEvent)

func (*ViewportWidget) MouseOut

func (w *ViewportWidget) MouseOut()

func (*ViewportWidget) Scrolled

func (w *ViewportWidget) Scrolled(ev *fyne.ScrollEvent)

func (*ViewportWidget) Tapped

func (w *ViewportWidget) Tapped(ev *fyne.PointEvent)

func (*ViewportWidget) TappedSecondary

func (w *ViewportWidget) TappedSecondary(ev *fyne.PointEvent)