Files
supersonic/ui/widgets/starrating.go
T

78 lines
1.6 KiB
Go

package widgets
import (
"supersonic/res"
"supersonic/ui/layouts"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/canvas"
"fyne.io/fyne/v2/container"
"fyne.io/fyne/v2/theme"
"fyne.io/fyne/v2/widget"
)
var (
themedResStarFilled = theme.NewThemedResource(res.ResStarFilledSvg)
themedResStarOutline = theme.NewThemedResource(res.ResStarOutlineSvg)
)
type StarRating struct {
widget.BaseWidget
Rating int
StarSize float32
container *fyne.Container
}
func NewStarRating() *StarRating {
s := &StarRating{}
s.ExtendBaseWidget(s)
return s
}
func (s *StarRating) createContainer() {
s.container = container.New(&layouts.HboxCustomPadding{
DisableThemePad: true,
ExtraPad: 2,
})
var im *canvas.Image
for i := 0; i < 5; i++ {
if s.Rating > i {
im = canvas.NewImageFromResource(themedResStarFilled)
} else {
im = canvas.NewImageFromResource(themedResStarOutline)
}
im.SetMinSize(fyne.NewSize(s.StarSize, s.StarSize))
s.container.Add(im)
}
}
func (s *StarRating) Refresh() {
// widget has not had renderer created yet
if s.container == nil {
return
}
for i := 0; i < 5; i++ {
im := s.container.Objects[i].(*canvas.Image)
im.SetMinSize(fyne.NewSize(s.StarSize, s.StarSize))
if s.Rating > i {
im.Resource = themedResStarFilled
} else {
im.Resource = themedResStarOutline
}
}
s.BaseWidget.Refresh()
}
func (s *StarRating) MinSize() fyne.Size {
return fyne.NewSize(s.StarSize*5, s.StarSize)
}
func (s *StarRating) CreateRenderer() fyne.WidgetRenderer {
if s.container == nil {
s.createContainer()
}
return widget.NewSimpleRenderer(container.NewCenter(s.container))
}