cview/demos/presentation/slider.go

46 lines
1.3 KiB
Go

package main
import (
"fmt"
"code.rocketnine.space/tslocum/cview"
"github.com/gdamore/tcell/v2"
)
const sliderCode = `[green]package[white] main
[green]import[white] (
[red]"fmt"[white]
[red]"github.com/gdamore/tcell/v2"[white]
[red]"code.rocketnine.space/tslocum/cview"[white]
)
[green]func[white] [yellow]main[white]() {
slider := cview.[yellow]NewSlider[white]()
slider.[yellow]SetLabel[white]([red]"Volume: 0%"[white])
slider.[yellow][yellow]SetChangedFunc[white]([yellow]func[white](key tcell.Key) {
label := fmt.[yellow]Sprintf[white]("Volume: %3d%%", value)
slider.[yellow]SetLabel[white](label)
})
slider.[yellow][yellow]SetDoneFunc[white]([yellow]func[white](key tcell.Key) {
[yellow]nextSlide[white]()
})
app := cview.[yellow]NewApplication[white]()
app.[yellow]SetRoot[white](slider, true)
app.[yellow]Run[white]()
}`
// Slider demonstrates the Slider.
func Slider(nextSlide func()) (title string, info string, content cview.Primitive) {
slider := cview.NewSlider()
slider.SetLabel("Volume: 0%")
slider.SetChangedFunc(func(value int) {
slider.SetLabel(fmt.Sprintf("Volume: %3d%%", value))
})
slider.SetDoneFunc(func(key tcell.Key) {
nextSlide()
})
return "Slider", sliderInfo, Code(slider, 30, 1, sliderCode)
}