Files
8bitMyGoUI/feedback/loaders.go
T

44 lines
1.1 KiB
Go

package feedback
import (
"github.com/egoist/mygo/ui"
"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
)
type DotsLoaderOptions struct{}
// DotsLoader bounces three dots in turn.
func DotsLoader(c *ui.Context, text string, o DotsLoaderOptions) *ui.Element {
k := pixel.K(c)
return ui.Box(c).Role(ui.RoleProgress).Label(text).Size(k.D(18), k.D(8)).Draw(func(p *ui.Painter, r ui.Rect) {
g := k.Canvas(p, r)
up := g.Busy(6) % 4
for i := range 3 {
y, ink := 4, pixel.Faint
if i == up {
y, ink = 0, pixel.Accent
}
g.Rect(i*7, y, 4, 4, ink)
}
})
}
type BarsLoaderOptions struct{}
// heights rise and fall; each bar runs a step behind.
var heights = [8]int{3, 6, 9, 12, 9, 6, 3, 3}
// BarsLoader raises and drops five bars.
func BarsLoader(c *ui.Context, text string, o BarsLoaderOptions) *ui.Element {
k := pixel.K(c)
return ui.Box(c).Role(ui.RoleProgress).Label(text).Size(k.D(23), k.D(12)).Draw(func(p *ui.Painter, r ui.Rect) {
g := k.Canvas(p, r)
f := g.Busy(10)
for i := range 5 {
h := heights[(f+8-i)%8]
g.Rect(i*5, 12-h, 3, h, pixel.Accent)
}
})
}