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feat(tracker): implement some basic styled ui building blocks

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This commit is contained in:
Matias Lahti
2020-11-08 01:20:53 +02:00
parent 64fe28a240
commit 90c3536f3e
4 changed files with 139 additions and 2 deletions
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56
go4k/tracker/panels.go Normal file
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@ -0,0 +1,56 @@
package tracker
import (
"fmt"
"gioui.org/f32"
"gioui.org/layout"
"gioui.org/op"
"gioui.org/op/clip"
"gioui.org/op/paint"
"image"
"image/color"
)
func Raised(w layout.Widget) layout.Widget {
return Beveled(w, panelColor, panelLightColor, panelShadeColor)
}
func Lowered(w layout.Widget) layout.Widget {
return Beveled(w, panelColor, panelShadeColor, panelLightColor)
}
func Beveled(w layout.Widget, base, light, shade color.RGBA) layout.Widget {
return func(gtx layout.Context) layout.Dimensions {
fmt.Println("BR", gtx.Constraints)
paint.FillShape(gtx.Ops, light, clip.Rect(image.Rect(0, 0, gtx.Constraints.Max.X, 1)).Op())
paint.FillShape(gtx.Ops, light, clip.Rect(image.Rect(0, 0, 1, gtx.Constraints.Max.Y)).Op())
paint.FillShape(gtx.Ops, base, clip.Rect(image.Rect(1, 1, gtx.Constraints.Max.X-1, gtx.Constraints.Max.Y-1)).Op())
paint.FillShape(gtx.Ops, shade, clip.Rect(image.Rect(0, gtx.Constraints.Max.Y-1, gtx.Constraints.Max.X, gtx.Constraints.Max.Y)).Op())
paint.FillShape(gtx.Ops, shade, clip.Rect(image.Rect(gtx.Constraints.Max.X-1, 0, gtx.Constraints.Max.X, gtx.Constraints.Max.Y)).Op())
fmt.Println("drawing sub..", gtx.Constraints)
stack := op.Push(gtx.Ops)
mcs := gtx.Constraints
mcs.Max.X -= 2
if mcs.Max.X < 0 {
mcs.Max.X = 0
}
if mcs.Min.X > mcs.Max.X {
mcs.Min.X = mcs.Max.X
}
mcs.Max.Y -= 2
if mcs.Max.Y < 0 {
mcs.Max.Y = 0
}
if mcs.Min.Y > mcs.Max.Y {
mcs.Min.Y = mcs.Max.Y
}
op.Offset(f32.Pt(1, 1)).Add(gtx.Ops)
gtx.Constraints = mcs
dims := w(gtx)
stack.Pop()
return layout.Dimensions{
Size: dims.Size.Add(image.Point{X: 2, Y: 2}),
Baseline: dims.Baseline + 1,
}
}
}