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apps: replace separate layout state with layout.Context fields

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Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2019-09-24 21:47:58 +02:00
parent 3944ef4b2e
commit 4d84f46edb
6 changed files with 117 additions and 124 deletions
Download Patch File Download Diff File Expand all files Collapse all files
apps/go.mod
+1 -1
View File
@@ -3,7 +3,7 @@ module gioui.org/apps
go 1.13
require (
gioui.org/ui v0.0.0-20190924183214-2f878fe154d1
gioui.org/ui v0.0.0-20190924202410-3944ef4b2e46
github.com/google/go-github/v24 v24.0.1
golang.org/x/exp v0.0.0-20190627132806-fd42eb6b336f
golang.org/x/image v0.0.0-20190703141733-d6a02ce849c9
apps/go.sum
+2 -2
View File
@@ -1,6 +1,6 @@
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
gioui.org/ui v0.0.0-20190924183214-2f878fe154d1 h1:9R7EDPuwyF9dFfGLC6vZ9mL86eYIGlEBwzkHHo0/Ze0=
gioui.org/ui v0.0.0-20190924183214-2f878fe154d1/go.mod h1:PssKPKlqVIeyaed+0w492Xc2NgX5M3n6oZKOAj5rxoE=
gioui.org/ui v0.0.0-20190924202410-3944ef4b2e46 h1:aNmeeRhiuvnWyM3YafyZ3XIHwl3qThBWJP0O2Nj2uCo=
gioui.org/ui v0.0.0-20190924202410-3944ef4b2e46/go.mod h1:PssKPKlqVIeyaed+0w492Xc2NgX5M3n6oZKOAj5rxoE=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
apps/gophers/main.go
+6 -8
View File
@@ -77,9 +77,9 @@ func initProfiling() {
func (a *App) run() error {
a.ui.profiling = *stats
ops := new(ui.Ops)
var cfg app.Config
ctx := new(layout.Context)
c := &layout.Context{
Queue: a.w.Queue(),
}
for {
select {
case users := <-a.updateUsers:
@@ -127,11 +127,9 @@ func (a *App) run() error {
}
}
case app.UpdateEvent:
ops.Reset()
cfg = e.Config
ctx.Constraints = layout.RigidConstraints(e.Size)
a.ui.Layout(&cfg, a.w.Queue(), ops, ctx)
a.w.Update(ops)
c.Reset(&e.Config, layout.RigidConstraints(e.Size))
a.ui.Layout(c)
a.w.Update(c.Ops)
}
}
}
apps/gophers/main_test.go
+7 -9
View File
@@ -8,7 +8,6 @@ import (
"time"
"gioui.org/ui"
"gioui.org/ui/input"
"gioui.org/ui/layout"
)
@@ -19,18 +18,17 @@ type config struct{}
func BenchmarkUI(b *testing.B) {
fetch := func(_ string) {}
u := newUI(fetch)
ops := new(ui.Ops)
q := new(queue)
c := new(config)
ctx := new(layout.Context)
ctx.Constraints = layout.RigidConstraints(image.Point{800, 600})
cfg := new(config)
c := &layout.Context{
Queue: new(queue),
}
for i := 0; i < b.N; i++ {
ops.Reset()
u.Layout(c, q, ops, ctx)
c.Reset(cfg, layout.RigidConstraints(image.Point{800, 600}))
u.Layout(c)
}
}
func (queue) Next(k input.Key) (input.Event, bool) {
func (queue) Next(k ui.Key) (ui.Event, bool) {
return nil, false
}
apps/gophers/ui.go
+92 -93
View File
@@ -20,7 +20,6 @@ import (
"gioui.org/ui"
"gioui.org/ui/f32"
"gioui.org/ui/gesture"
"gioui.org/ui/input"
"gioui.org/ui/key"
"gioui.org/ui/layout"
"gioui.org/ui/measure"
@@ -172,44 +171,44 @@ func (u *UI) face(f *sfnt.Font, size float32) text.Face {
return u.faces.For(f, ui.Sp(size))
}
func (u *UI) layoutTimings(c ui.Config, q input.Queue, ops *ui.Ops, ctx *layout.Context) {
func (u *UI) layoutTimings(c *layout.Context) {
if !u.profiling {
return
}
for e, ok := q.Next(u); ok; e, ok = q.Next(u) {
for e, ok := c.Next(u); ok; e, ok = c.Next(u) {
if e, ok := e.(system.ProfileEvent); ok {
u.profile = e
}
}
system.ProfileOp{Key: u}.Add(ops)
system.ProfileOp{Key: u}.Add(c.Ops)
var mstats runtime.MemStats
runtime.ReadMemStats(&mstats)
mallocs := mstats.Mallocs - u.lastMallocs
u.lastMallocs = mstats.Mallocs
layout.Align(layout.NE).Layout(ops, ctx, func() {
layout.Inset{Top: ui.Dp(16)}.Layout(c, ops, ctx, func() {
layout.Align(layout.NE).Layout(c, func() {
layout.Inset{Top: ui.Dp(16)}.Layout(c, func() {
txt := fmt.Sprintf("m: %d %s", mallocs, u.profile.Timings)
text.Label{Material: theme.text, Face: u.face(fonts.mono, 10), Text: txt}.Layout(ops, ctx)
text.Label{Material: theme.text, Face: u.face(fonts.mono, 10), Text: txt}.Layout(c)
})
})
}
func (u *UI) Layout(c ui.Config, q input.Queue, ops *ui.Ops, ctx *layout.Context) {
func (u *UI) Layout(c *layout.Context) {
u.faces.Reset(c)
for i := range u.userClicks {
click := &u.userClicks[i]
for e, ok := click.Next(q); ok; e, ok = click.Next(q) {
for e, ok := click.Next(c); ok; e, ok = click.Next(c) {
if e.Type == gesture.TypeClick {
u.selectedUser = u.newUserPage(u.users[i])
}
}
}
if u.selectedUser == nil {
u.layoutUsers(c, q, ops, ctx)
u.layoutUsers(c)
} else {
u.selectedUser.Layout(c, q, ops, ctx)
u.selectedUser.Layout(c)
}
u.layoutTimings(c, q, ops, ctx)
u.layoutTimings(c)
}
func (u *UI) newUserPage(user *user) *userPage {
@@ -222,156 +221,156 @@ func (u *UI) newUserPage(user *user) *userPage {
return up
}
func (up *userPage) Layout(c ui.Config, q input.Queue, ops *ui.Ops, ctx *layout.Context) {
func (up *userPage) Layout(c *layout.Context) {
l := up.commitsList
if l.Dragging() {
key.HideInputOp{}.Add(ops)
key.HideInputOp{}.Add(c.Ops)
}
l.Layout(c, q, ops, ctx, len(up.commits), func(i int) {
up.commit(c, ops, ctx, i)
l.Layout(c, len(up.commits), func(i int) {
up.commit(c, i)
})
}
func (up *userPage) commit(c ui.Config, ops *ui.Ops, ctx *layout.Context, index int) {
func (up *userPage) commit(c *layout.Context, index int) {
u := up.user
msg := up.commits[index].GetMessage()
label := text.Label{Material: theme.text, Face: up.faces.For(fonts.regular, ui.Sp(12)), Text: msg}
in := layout.Inset{Top: ui.Dp(16), Right: ui.Dp(8), Left: ui.Dp(8)}
in.Layout(c, ops, ctx, func() {
f := (&layout.Flex{Axis: layout.Horizontal}).Init(ops, ctx)
in.Layout(c, func() {
f := (&layout.Flex{Axis: layout.Horizontal}).Init(c)
c1 := f.Rigid(func() {
sz := c.Px(ui.Dp(48))
cc := clipCircle{}
cc.Layout(ops, ctx, func() {
ctx.Constraints = layout.RigidConstraints(ctx.Constraints.Constrain(image.Point{X: sz, Y: sz}))
widget.Image{Src: u.avatar, Rect: u.avatar.Bounds()}.Layout(c, ops, ctx)
cc.Layout(c, func() {
c.Constraints = layout.RigidConstraints(c.Constraints.Constrain(image.Point{X: sz, Y: sz}))
widget.Image{Src: u.avatar, Rect: u.avatar.Bounds()}.Layout(c)
})
})
c2 := f.Flexible(1, func() {
ctx.Constraints.Width.Min = ctx.Constraints.Width.Max
layout.Inset{Left: ui.Dp(8)}.Layout(c, ops, ctx, func() {
label.Layout(ops, ctx)
c.Constraints.Width.Min = c.Constraints.Width.Max
layout.Inset{Left: ui.Dp(8)}.Layout(c, func() {
label.Layout(c)
})
})
f.Layout(c1, c2)
})
}
func (u *UI) layoutUsers(c ui.Config, q input.Queue, ops *ui.Ops, ctx *layout.Context) {
st := (&layout.Stack{}).Init(ops, ctx)
func (u *UI) layoutUsers(c *layout.Context) {
st := (&layout.Stack{}).Init(c)
c2 := st.Rigid(func() {
layout.Align(layout.SE).Layout(ops, ctx, func() {
layout.Align(layout.SE).Layout(c, func() {
in := layout.UniformInset(ui.Dp(16))
in.Layout(c, ops, ctx, func() {
u.fab.Layout(c, q, ops, ctx)
in.Layout(c, func() {
u.fab.Layout(c)
})
})
})
c1 := st.Expand(func() {
f := (&layout.Flex{Axis: layout.Vertical}).Init(ops, ctx)
f := (&layout.Flex{Axis: layout.Vertical}).Init(c)
c1 := f.Rigid(func() {
ctx.Constraints.Width.Min = ctx.Constraints.Width.Max
layout.UniformInset(ui.Dp(16)).Layout(c, ops, ctx, func() {
c.Constraints.Width.Min = c.Constraints.Width.Max
layout.UniformInset(ui.Dp(16)).Layout(c, func() {
sz := c.Px(ui.Dp(200))
cs := ctx.Constraints
ctx.Constraints = layout.RigidConstraints(cs.Constrain(image.Point{X: sz, Y: sz}))
u.edit.Layout(c, q, ops, ctx)
cs := c.Constraints
c.Constraints = layout.RigidConstraints(cs.Constrain(image.Point{X: sz, Y: sz}))
u.edit.Layout(c)
})
})
c2 := f.Rigid(func() {
ctx.Constraints.Width.Min = ctx.Constraints.Width.Max
c.Constraints.Width.Min = c.Constraints.Width.Max
in := layout.Inset{Bottom: ui.Dp(16), Left: ui.Dp(16), Right: ui.Dp(16)}
in.Layout(c, ops, ctx, func() {
u.edit2.Layout(c, q, ops, ctx)
in.Layout(c, func() {
u.edit2.Layout(c)
})
})
c3 := f.Rigid(func() {
ctx.Constraints.Width.Min = ctx.Constraints.Width.Max
c.Constraints.Width.Min = c.Constraints.Width.Max
s := layout.Stack{Alignment: layout.Center}
s.Init(ops, ctx)
s.Init(c)
c2 := s.Rigid(func() {
grey := colorMaterial(ops, rgb(0x888888))
grey := colorMaterial(c.Ops, rgb(0x888888))
in := layout.Inset{Top: ui.Dp(16), Right: ui.Dp(8), Bottom: ui.Dp(8), Left: ui.Dp(8)}
in.Layout(c, ops, ctx, func() {
in.Layout(c, func() {
lbl := text.Label{Material: grey, Face: u.face(fonts.regular, 11), Text: "GOPHERS"}
lbl.Layout(ops, ctx)
lbl.Layout(c)
})
})
c1 := s.Expand(func() {
fill{colorMaterial(ops, rgb(0xf2f2f2))}.Layout(ops, ctx)
fill{colorMaterial(c.Ops, rgb(0xf2f2f2))}.Layout(c)
})
s.Layout(c1, c2)
})
c4 := f.Flexible(1, func() {
ctx.Constraints.Width.Min = ctx.Constraints.Width.Max
u.layoutContributors(c, q, ops, ctx)
c.Constraints.Width.Min = c.Constraints.Width.Max
u.layoutContributors(c)
})
f.Layout(c1, c2, c3, c4)
})
st.Layout(c1, c2)
}
func (a *ActionButton) Layout(c ui.Config, q input.Queue, ops *ui.Ops, ctx *layout.Context) {
func (a *ActionButton) Layout(c *layout.Context) {
f := layout.Flex{Axis: layout.Vertical, Alignment: layout.End}
f.Init(ops, ctx)
f.Init(c)
f.Layout(f.Rigid(func() {
layout.Inset{Top: ui.Dp(4)}.Layout(c, ops, ctx, func() {
fab(ops, ctx, a.sendIco.image(c), theme.brand, c.Px(ui.Dp(56)))
pointer.EllipseAreaOp{Rect: image.Rectangle{Max: ctx.Dimensions.Size}}.Add(ops)
layout.Inset{Top: ui.Dp(4)}.Layout(c, func() {
fab(c, a.sendIco.image(c), theme.brand, c.Px(ui.Dp(56)))
pointer.EllipseAreaOp{Rect: image.Rectangle{Max: c.Dimensions.Size}}.Add(c.Ops)
})
}))
}
func (u *UI) layoutContributors(c ui.Config, q input.Queue, ops *ui.Ops, ctx *layout.Context) {
func (u *UI) layoutContributors(c *layout.Context) {
l := u.usersList
if l.Dragging() {
key.HideInputOp{}.Add(ops)
key.HideInputOp{}.Add(c.Ops)
}
l.Layout(c, q, ops, ctx, len(u.users), func(i int) {
u.user(c, ops, ctx, i)
l.Layout(c, len(u.users), func(i int) {
u.user(c, i)
})
}
func (u *UI) user(c ui.Config, ops *ui.Ops, ctx *layout.Context, index int) {
func (u *UI) user(c *layout.Context, index int) {
user := u.users[index]
elem := layout.Flex{Axis: layout.Vertical}
elem.Init(ops, ctx)
elem.Init(c)
c1 := elem.Rigid(func() {
in := layout.UniformInset(ui.Dp(8))
in.Layout(c, ops, ctx, func() {
in.Layout(c, func() {
f := centerRowOpts()
f.Init(ops, ctx)
f.Init(c)
c1 := f.Rigid(func() {
in := layout.Inset{Right: ui.Dp(8)}
cc := clipCircle{}
in.Layout(c, ops, ctx, func() {
cc.Layout(ops, ctx, func() {
in.Layout(c, func() {
cc.Layout(c, func() {
sz := image.Point{X: c.Px(ui.Dp(48)), Y: c.Px(ui.Dp(48))}
ctx.Constraints = layout.RigidConstraints(ctx.Constraints.Constrain(sz))
widget.Image{Src: user.avatar, Rect: user.avatar.Bounds()}.Layout(c, ops, ctx)
c.Constraints = layout.RigidConstraints(c.Constraints.Constrain(sz))
widget.Image{Src: user.avatar, Rect: user.avatar.Bounds()}.Layout(c)
})
})
})
c2 := f.Rigid(func() {
f := column()
f.Init(ops, ctx)
f.Init(c)
c1 := f.Rigid(func() {
f := baseline()
f.Init(ops, ctx)
f.Init(c)
c1 := f.Rigid(func() {
text.Label{Material: theme.text, Face: u.face(fonts.regular, 13), Text: user.name}.Layout(ops, ctx)
text.Label{Material: theme.text, Face: u.face(fonts.regular, 13), Text: user.name}.Layout(c)
})
c2 := f.Flexible(1, func() {
ctx.Constraints.Width.Min = ctx.Constraints.Width.Max
layout.Align(layout.E).Layout(ops, ctx, func() {
layout.Inset{Left: ui.Dp(2)}.Layout(c, ops, ctx, func() {
c.Constraints.Width.Min = c.Constraints.Width.Max
layout.Align(layout.E).Layout(c, func() {
layout.Inset{Left: ui.Dp(2)}.Layout(c, func() {
lbl := text.Label{Material: theme.text, Face: u.face(fonts.regular, 10), Text: "3 hours ago"}
lbl.Layout(ops, ctx)
lbl.Layout(c)
})
})
})
@@ -379,17 +378,17 @@ func (u *UI) user(c ui.Config, ops *ui.Ops, ctx *layout.Context, index int) {
})
c2 := f.Rigid(func() {
in := layout.Inset{Top: ui.Dp(4)}
in.Layout(c, ops, ctx, func() {
text.Label{Material: theme.tertText, Face: u.face(fonts.regular, 12), Text: user.company}.Layout(ops, ctx)
in.Layout(c, func() {
text.Label{Material: theme.tertText, Face: u.face(fonts.regular, 12), Text: user.company}.Layout(c)
})
})
f.Layout(c1, c2)
})
f.Layout(c1, c2)
})
pointer.RectAreaOp{Rect: image.Rectangle{Max: ctx.Dimensions.Size}}.Add(ops)
pointer.RectAreaOp{Rect: image.Rectangle{Max: c.Dimensions.Size}}.Add(c.Ops)
click := &u.userClicks[index]
click.Add(ops)
click.Add(c.Ops)
})
elem.Layout(c1)
}
@@ -398,15 +397,15 @@ type fill struct {
material ui.MacroOp
}
func (f fill) Layout(ops *ui.Ops, ctx *layout.Context) {
cs := ctx.Constraints
func (f fill) Layout(c *layout.Context) {
cs := c.Constraints
d := image.Point{X: cs.Width.Max, Y: cs.Height.Max}
dr := f32.Rectangle{
Max: f32.Point{X: float32(d.X), Y: float32(d.Y)},
}
f.material.Add(ops)
paint.PaintOp{Rect: dr}.Add(ops)
ctx.Dimensions = layout.Dimensions{Size: d, Baseline: d.Y}
f.material.Add(c.Ops)
paint.PaintOp{Rect: dr}.Add(c.Ops)
c.Dimensions = layout.Dimensions{Size: d, Baseline: d.Y}
}
func column() layout.Flex {
@@ -424,12 +423,12 @@ func baseline() layout.Flex {
type clipCircle struct {
}
func (c *clipCircle) Layout(ops *ui.Ops, ctx *layout.Context, w layout.Widget) {
func (cc *clipCircle) Layout(c *layout.Context, w layout.Widget) {
var m ui.MacroOp
m.Record(ops)
m.Record(c.Ops)
w()
m.Stop()
dims := ctx.Dimensions
dims := c.Dimensions
max := dims.Size.X
if dy := dims.Size.Y; dy > max {
max = dy
@@ -437,24 +436,24 @@ func (c *clipCircle) Layout(ops *ui.Ops, ctx *layout.Context, w layout.Widget) {
szf := float32(max)
rr := szf * .5
var stack ui.StackOp
stack.Push(ops)
rrect(ops, szf, szf, rr, rr, rr, rr)
m.Add(ops)
stack.Push(c.Ops)
rrect(c.Ops, szf, szf, rr, rr, rr, rr)
m.Add(c.Ops)
stack.Pop()
}
func fab(ops *ui.Ops, ctx *layout.Context, ico image.Image, mat ui.MacroOp, size int) {
func fab(c *layout.Context, ico image.Image, mat ui.MacroOp, size int) {
dp := image.Point{X: (size - ico.Bounds().Dx()) / 2, Y: (size - ico.Bounds().Dy()) / 2}
dims := image.Point{X: size, Y: size}
rr := float32(size) * .5
rrect(ops, float32(size), float32(size), rr, rr, rr, rr)
mat.Add(ops)
paint.PaintOp{Rect: f32.Rectangle{Max: f32.Point{X: float32(size), Y: float32(size)}}}.Add(ops)
paint.ImageOp{Src: ico, Rect: ico.Bounds()}.Add(ops)
rrect(c.Ops, float32(size), float32(size), rr, rr, rr, rr)
mat.Add(c.Ops)
paint.PaintOp{Rect: f32.Rectangle{Max: f32.Point{X: float32(size), Y: float32(size)}}}.Add(c.Ops)
paint.ImageOp{Src: ico, Rect: ico.Bounds()}.Add(c.Ops)
paint.PaintOp{
Rect: toRectF(ico.Bounds().Add(dp)),
}.Add(ops)
ctx.Dimensions = layout.Dimensions{Size: dims}
}.Add(c.Ops)
c.Dimensions = layout.Dimensions{Size: dims}
}
func toRectF(r image.Rectangle) f32.Rectangle {
apps/hello/hello.go
+9 -11
View File
@@ -34,29 +34,27 @@ func loop(w *app.Window) error {
if err != nil {
panic("failed to load font")
}
var cfg app.Config
var faces measure.Faces
maroon := color.RGBA{127, 0, 0, 255}
face := faces.For(regular, ui.Sp(72))
message := "Hello, Gio"
ops := new(ui.Ops)
ctx := new(layout.Context)
c := &layout.Context{
Queue: w.Queue(),
}
for {
e := <-w.Events()
switch e := e.(type) {
case app.DestroyEvent:
return e.Err
case app.UpdateEvent:
cfg = e.Config
faces.Reset(&cfg)
ctx.Constraints = layout.RigidConstraints(e.Size)
ops.Reset()
c.Reset(&e.Config, layout.RigidConstraints(e.Size))
faces.Reset(c.Config)
var material ui.MacroOp
material.Record(ops)
paint.ColorOp{Color: maroon}.Add(ops)
material.Record(c.Ops)
paint.ColorOp{Color: maroon}.Add(c.Ops)
material.Stop()
text.Label{Material: material, Face: face, Alignment: text.Middle, Text: message}.Layout(ops, ctx)
w.Update(ops)
text.Label{Material: material, Face: face, Alignment: text.Middle, Text: message}.Layout(c)
w.Update(c.Ops)
}
}
}