.gitignore

@@ -1,4 +1,3 @@
 cmd/hello/hello
 cmd/cal/cal
-cmd/scroll/scroll
 *.apk

cmd/scroll/main.go

@@ -1,158 +0,0 @@
-package main
-
-import (
-	"image/color"
-	"fmt"
-	"log"
-
-	gio "git.wow.st/gmp/giowrap"
-
-	"gioui.org/ui"
-	"gioui.org/ui/app"
-	"gioui.org/ui/layout"
-	"gioui.org/ui/text"
-
-	"golang.org/x/image/font/sfnt"
-	"golang.org/x/image/font/gofont/goregular"
-)
-
-var (
-	face text.Face
-	black color.RGBA = color.RGBA{ A: 0xff, R: 0x00, G: 0x00, B: 0x00 }
-	gray2 color.RGBA = color.RGBA{ A: 0xff, R: 0x70, G: 0x70, B: 0x70 }
-	gray1 color.RGBA = color.RGBA{ A: 0xff, R: 0x50, G: 0x50, B: 0x50 }
-)
-
-type SLabel struct {
-	w gio.Clickable
-	bg *gio.Background
-	active *bool
-}
-
-func NewSLabel(t string, active *bool, lops ...gio.LabelOption) *SLabel {
-	ret := &SLabel{}
-	lops = append([]gio.LabelOption{gio.Face(face)},lops...)
-	lbl := gio.NewLabel(t, lops...)
-	bg := &gio.Background{
-		Color: gray2,
-		Radius: ui.Dp(4),
-		Inset: layout.UniformInset(ui.Dp(4)),
-	}
-	if *active {
-		bg.Color = gray1
-	}
-	l := gio.AsClickable(gio.Enclose(bg,lbl))
-	ret.w = l
-	ret.bg = bg
-	ret.active = active
-	return ret
-}
-
-func (w *SLabel) Layout(ctx *gio.Context) {
-	if *w.active {
-		w.bg.Color = gray1
-	} else {
-		w.bg.Color = gray2
-	}
-	w.w.Layout(ctx)
-	if w.w.Clicked(ctx) {
-		if *w.active {
-			*w.active = false
-		} else {
-			*w.active = true
-		}
-	}
-}
-
-func main() {
-	log.Print("Staring event loop")
-	go eventloop()
-	app.Main()
-	log.Print("App closed")
-}
-
-func diffInsets(x, y app.Insets) bool {
-	return  x.Top != y.Top ||
-		x.Bottom != y.Bottom ||
-		x.Left != y.Left ||
-		x.Right != y.Right
-}
-
-func eventloop() {
-	w := app.NewWindow(
-		app.WithWidth(ui.Dp(400)),
-		app.WithHeight(ui.Dp(400)),
-		app.WithTitle("Tickets"))
-	ctx := gio.NewContext(w)
-
-	regular, err := sfnt.Parse(goregular.TTF)
-	face = ctx.Faces.For(regular, ui.Sp(16))
-	if err != nil { log.Fatal("Cannot parse font.") }
-
-	sysbg := gio.NewBackground(gio.Color(black))
-	bg := gio.NewBackground(gio.Color(gray2))
-
-	margin := gio.NewInset(gio.Size(ui.Dp(10)))
-	f1 := gio.NewFlex(gio.Axis(layout.Horizontal))
-	lbar := gio.NewLabel("    ", gio.Face(face))
-	f2 := gio.NewFlex(gio.Axis(layout.Vertical))
-	topbar := gio.NewLabel("Scroll X and Y. Click to select", gio.Face(face))
-
-	sh := gio.HScroll(gio.NewFlex(gio.Axis(layout.Horizontal)))
-	sv := gio.VScroll(gio.NewFlex(gio.Axis(layout.Vertical)))
-
-	numlabs := 50
-	labs := make([][]gio.Widget, numlabs)
-	sels := make([][]bool, numlabs)
-	for i := 0; i < 16; i++ {
-		labs[i] = make([]gio.Widget, numlabs)
-		sels[i] = make([]bool, numlabs)
-		for j := 0; j < numlabs; j++ {
-			labs[i][j] = NewSLabel(fmt.Sprintf("%03d",i * j), &sels[i][j])
-		}
-	}
-
-	sysinset := gio.NewInset(gio.Size(ui.Dp(0)))
-	resetSysinset := func(x app.Insets) {
-		sysinset = gio.NewInset(gio.Top(x.Top), gio.Bottom(x.Bottom),
-					gio.Left(x.Left), gio.Right(x.Right))
-	}
-
-	var oldInsets app.Insets
-
-	for { select {
-	case e:= <-w.Events():
-		switch e := e.(type) {
-		case app.DestroyEvent:
-			return
-		case app.UpdateEvent:
-			ctx.Reset(e)
-			if diffInsets(e.Insets, oldInsets) {
-				oldInsets = e.Insets
-				resetSysinset(e.Insets)
-			}
-
-			sysbg(sysinset(bg(margin(
-			    f1(lbar,f2(topbar,sh(
-					sv(labs[0]...),
-					sv(labs[1]...),
-					sv(labs[2]...),
-					sv(labs[3]...),
-					sv(labs[4]...),
-					sv(labs[5]...),
-					sv(labs[6]...),
-					sv(labs[7]...),
-					sv(labs[8]...),
-					sv(labs[9]...),
-					sv(labs[10]...),
-					sv(labs[11]...),
-					sv(labs[12]...),
-					sv(labs[13]...),
-					sv(labs[14]...),
-					sv(labs[15]...),
-			))))))).Layout(ctx)
-			ctx.Update()
-		}
-	}}
-}
-

main.go

@@ -184,42 +184,7 @@ func NewStack() Stack {
 	}
 }
 
-type List = WidgetCombinator
+type Flex WidgetCombinator
-
-type AxisOpt struct { axis layout.Axis }
-func Axis(x layout.Axis) AxisOpt { return AxisOpt{ x } }
-
-type ListOpts struct {
-	AxisOpt
-}
-type ListOption interface { DoListOption(*ListOpts) }
-func (x AxisOpt) DoListOption(o *ListOpts) { o.axis = x.axis }
-
-func NewList(los ...ListOption) List {
-	opts := &ListOpts{}
-	for _,o := range los { o.DoListOption(opts) }
-	l := layout.List { Axis: opts.axis }
-	return func(ws ...Widget) Widget {
-		return NewfWidget(func(ctx *Context) {
-			for l.Init(ctx.c, ctx.q, ctx.ops, ctx.cs, len(ws)); l.More(); l.Next() {
-				ctx.cs = l.Constraints()
-				ws[l.Index()].Layout(ctx)
-				l.End(ctx.dims)
-			}
-			ctx.dims = l.Layout()
-		})
-	}
-}
-
-func HScroll(c WidgetCombinator) WidgetCombinator {
-	return NewList(Axis(layout.Horizontal))
-}
-
-func VScroll(c WidgetCombinator) WidgetCombinator {
-	return NewList(Axis(layout.Vertical))
-}
-
-type Flex = WidgetCombinator
 
 // This "Widget" does nothing except set the Flexible field of a FlexOpts
 // struct within the Extra data structure
@@ -234,6 +199,8 @@ func Rigid() Widget {
 	})
 }
 
+type AxisOpt struct { axis layout.Axis }
+func Axis(x layout.Axis) AxisOpt { return AxisOpt{ x } }
 type AlignmentOpt struct { alignment layout.Alignment }
 func Alignment(x layout.Alignment) AlignmentOpt { return AlignmentOpt{ x } }