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widget/material: add hover to Switch

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Signed-off-by: Egon Elbre <egonelbre@gmail.com>
This commit is contained in:
Egon Elbre
2021-01-17 18:43:20 +02:00
committed by Elias Naur
parent bc6798c4ca
commit eea1dbc176
1 changed files with 12 additions and 0 deletions
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widget/material/switch.go
+12
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@@ -96,6 +96,18 @@ func (s SwitchStyle) Layout(gtx layout.Context) layout.Dimensions {
op.Offset(f32.Point{X: float32(off)}).Add(gtx.Ops) op.Offset(f32.Point{X: float32(off)}).Add(gtx.Ops)
} }
// Draw hover.
if s.Switch.Hovered() {
var p clip.Path
r := 1.7 * float32(thumbSize) / 2
p.Begin(gtx.Ops)
//p.Move(f32.Pt(-float32(thumbSize)/2, -float32(thumbSize)/2))
p.Move(f32.Pt(-r+float32(thumbSize)/2, -r+float32(thumbSize)/2))
addCircle(&p, r)
background := f32color.MulAlpha(s.Color.Enabled, 70)
paint.FillShape(gtx.Ops, background, clip.Outline{Path: p.End()}.Op())
}
// Draw thumb shadow, a translucent disc slightly larger than the // Draw thumb shadow, a translucent disc slightly larger than the
// thumb itself. // thumb itself.
shadowStack := op.Save(gtx.Ops) shadowStack := op.Save(gtx.Ops)