mirror of
https://git.sr.ht/~eliasnaur/gio
synced 2026-07-01 07:35:40 +00:00
pierre
44 lines
834 B
Go
44 lines
834 B
Go
// SPDX-License-Identifier: Unlicense OR MIT
|
|
|
|
package widget
|
|
|
|
import (
|
|
"image/color"
|
|
|
|
"gioui.org/f32"
|
|
"gioui.org/layout"
|
|
"gioui.org/op/clip"
|
|
"gioui.org/op/paint"
|
|
"gioui.org/unit"
|
|
)
|
|
|
|
// Border lays out a widget and draws a border inside it.
|
|
type Border struct {
|
|
Color color.NRGBA
|
|
CornerRadius unit.Value
|
|
Width unit.Value
|
|
}
|
|
|
|
func (b Border) Layout(gtx layout.Context, w layout.Widget) layout.Dimensions {
|
|
dims := w(gtx)
|
|
sz := layout.FPt(dims.Size)
|
|
|
|
rr := float32(gtx.Px(b.CornerRadius))
|
|
width := float32(gtx.Px(b.Width))
|
|
sz.X -= width
|
|
sz.Y -= width
|
|
|
|
r := f32.Rectangle{Max: sz}
|
|
r = r.Add(f32.Point{X: width * 0.5, Y: width * 0.5})
|
|
|
|
paint.FillShape(gtx.Ops,
|
|
b.Color,
|
|
clip.Stroke{
|
|
Path: clip.UniformRRect(r, rr).Path(gtx.Ops),
|
|
Style: clip.StrokeStyle{Width: width},
|
|
}.Op(),
|
|
)
|
|
|
|
return dims
|
|
}
|