mirror of
https://github.com/vsariola/sointu.git
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54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
package tracker
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import (
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"gioui.org/f32"
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"gioui.org/layout"
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"gioui.org/op"
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"gioui.org/op/clip"
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"gioui.org/op/paint"
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"image"
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"image/color"
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)
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func Raised(w layout.Widget) layout.Widget {
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return Beveled(w, panelColor, panelLightColor, panelShadeColor)
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}
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func Lowered(w layout.Widget) layout.Widget {
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return Beveled(w, panelColor, panelShadeColor, panelLightColor)
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}
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func Beveled(w layout.Widget, base, light, shade color.RGBA) layout.Widget {
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return func(gtx layout.Context) layout.Dimensions {
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paint.FillShape(gtx.Ops, light, clip.Rect(image.Rect(0, 0, gtx.Constraints.Max.X, 1)).Op())
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paint.FillShape(gtx.Ops, light, clip.Rect(image.Rect(0, 0, 1, gtx.Constraints.Max.Y)).Op())
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paint.FillShape(gtx.Ops, base, clip.Rect(image.Rect(1, 1, gtx.Constraints.Max.X-1, gtx.Constraints.Max.Y-1)).Op())
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paint.FillShape(gtx.Ops, shade, clip.Rect(image.Rect(0, gtx.Constraints.Max.Y-1, gtx.Constraints.Max.X, gtx.Constraints.Max.Y)).Op())
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paint.FillShape(gtx.Ops, shade, clip.Rect(image.Rect(gtx.Constraints.Max.X-1, 0, gtx.Constraints.Max.X, gtx.Constraints.Max.Y)).Op())
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stack := op.Push(gtx.Ops)
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mcs := gtx.Constraints
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mcs.Max.X -= 2
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if mcs.Max.X < 0 {
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mcs.Max.X = 0
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}
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if mcs.Min.X > mcs.Max.X {
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mcs.Min.X = mcs.Max.X
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}
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mcs.Max.Y -= 2
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if mcs.Max.Y < 0 {
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mcs.Max.Y = 0
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}
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if mcs.Min.Y > mcs.Max.Y {
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mcs.Min.Y = mcs.Max.Y
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}
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op.Offset(f32.Pt(1, 1)).Add(gtx.Ops)
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gtx.Constraints = mcs
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dims := w(gtx)
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stack.Pop()
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return layout.Dimensions{
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Size: dims.Size.Add(image.Point{X: 2, Y: 2}),
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Baseline: dims.Baseline + 1,
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}
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}
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}
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