giowrap/cmd/hello/main.go

323 lines
7.6 KiB
Go

package main
import (
"git.wow.st/gmp/giowrap"
"image"
"image/color"
"log"
"os"
"runtime"
"runtime/pprof"
"sync"
"time"
"gioui.org/ui"
"gioui.org/ui/app"
"gioui.org/ui/f32"
"gioui.org/ui/gesture"
"gioui.org/ui/layout"
"gioui.org/ui/measure"
"gioui.org/ui/paint"
"gioui.org/ui/pointer"
"gioui.org/ui/text"
"golang.org/x/image/font/gofont/goregular"
"golang.org/x/image/font/sfnt"
)
var (
FPS int = 100
frames int64
frametime int64 // nanoseconds
maxframetime int64
mux sync.Mutex
Profile bool = false
)
func NewButton(face text.Face, t string, c color.RGBA) giowrap.Clickable {
lbl := giowrap.NewLabel(t, giowrap.Face(face), giowrap.Align(text.Middle))
bg := giowrap.NewBackground(giowrap.Color(c), giowrap.Radius(ui.Dp(4)))
return giowrap.AsClickable(bg(lbl))
}
func main() {
go func() {
ms := &runtime.MemStats{}
var a1 uint64
for {
time.Sleep(time.Second * 3)
mux.Lock()
if frames == 0 {
mux.Unlock()
continue
}
runtime.ReadMemStats(ms)
a1 = ms.Alloc
runtime.GC()
runtime.ReadMemStats(ms)
log.Printf("Alloc: %d - %d = %d (%d per frame)", a1, ms.Alloc, a1-ms.Alloc, (a1-ms.Alloc)/(3*uint64(FPS)))
log.Printf("Frametime: %d max Frametime: %d us\n", frametime/(frames*1000), maxframetime/1000)
frames = 0
frametime = 0
maxframetime = 0
mux.Unlock()
}
}()
if len(os.Args) > 1 {
switch os.Args[1] {
case "", "main1":
log.Print("main1()")
go main1()
case "main2":
log.Print("main2()")
go main2()
default:
log.Fatal(`Usage:
hello [main1|main2]
`)
}
}
app.Main()
}
func main1() {
w := app.NewWindow()
regular, err := sfnt.Parse(goregular.TTF)
if err != nil {
log.Fatal("Cannot parse font.")
}
ctx := giowrap.NewContext(w)
t := time.NewTicker(time.Second / time.Duration(FPS))
e1 := giowrap.NewEditor("text 1", giowrap.Face(ctx.Faces.For(regular, ui.Sp(24))))
e1.Focus()
e2 := giowrap.NewEditor("text 2", giowrap.Face(ctx.Faces.For(regular, ui.Sp(24))))
f1 := giowrap.NewFlex(giowrap.Axis(layout.Vertical))
OuterInset := giowrap.NewInset(giowrap.Size(ui.Dp(10)))
InnerInset := giowrap.NewInset(giowrap.Size(ui.Dp(10)))
f2 := giowrap.NewFlex(giowrap.Axis(layout.Horizontal))
btn1 := NewButton(ctx.Faces.For(regular, ui.Sp(24)),
"push1", color.RGBA{A: 0xff, R: 0x3c, G: 0x98, B: 0xc6})
btn2 := NewButton(ctx.Faces.For(regular, ui.Sp(24)),
"push2", color.RGBA{A: 0xff, R: 0x3c, G: 0x98, B: 0xc6})
profiled := false
startTime := time.Now()
for {
select {
case <-t.C:
w.Invalidate()
case e := <-w.Events():
stime := time.Now()
switch e := e.(type) {
case app.DestroyEvent:
return
case app.UpdateEvent:
ctx.Reset(e)
OuterInset(
f1(
e1,
giowrap.Flexible(5),
InnerInset(e2),
giowrap.Flexible(10),
f2(
InnerInset(btn1),
giowrap.Flexible(0.5),
InnerInset(btn2),
),
)).Layout(ctx)
ctx.Update()
if btn1.Clicked(ctx) {
log.Print("Clicked: " + e1.Text())
}
if btn2.Clicked(ctx) {
log.Print("Clicked: " + e2.Text())
}
}
dur := time.Since(stime).Nanoseconds()
mux.Lock()
frames = frames + 1
frametime = frametime + dur
if dur > maxframetime {
maxframetime = dur
}
mux.Unlock()
}
if profiled {
continue
}
if time.Since(startTime) < time.Second*10 {
continue
}
if Profile {
profiled = true
f, err := os.Create("memprofile.pprof")
if err != nil {
log.Fatal("could not create memory profile: ", err)
}
if err := pprof.WriteHeapProfile(f); err != nil {
log.Fatal("could not write memory profile: ", err)
}
log.Print("Memory profile written")
f.Close()
}
}
}
func main2() {
w := app.NewWindow()
q := w.Queue()
ops := new(ui.Ops)
var faces measure.Faces
regular, err := sfnt.Parse(goregular.TTF)
if err != nil {
log.Fatal("Cannot parse font.")
}
t := time.NewTicker(time.Second / time.Duration(FPS))
e1 := &text.Editor{
Face: faces.For(regular, ui.Sp(24)),
SingleLine: true,
}
e1.Focus()
e1.SetText("text 1")
e2 := &text.Editor{
Face: faces.For(regular, ui.Sp(24)),
SingleLine: true,
}
e2.Focus()
e2.SetText("text 2")
f1 := layout.Flex{Axis: layout.Vertical}
OuterInset := layout.UniformInset(ui.Dp(10))
InnerInset := layout.UniformInset(ui.Dp(10))
f2 := layout.Flex{Axis: layout.Horizontal}
btn1 := text.Label{
Face: faces.For(regular, ui.Sp(24)),
Text: "push1",
}
b1ins := layout.UniformInset(ui.Dp(4))
btn2 := text.Label{
Face: faces.For(regular, ui.Sp(24)),
Text: "push2",
}
b2ins := layout.UniformInset(ui.Dp(4))
var bg1, bg2 ui.MacroOp
click1 := new(gesture.Click)
click2 := new(gesture.Click)
profiled := false
startTime := time.Now()
for {
select {
case <-t.C:
w.Invalidate()
case e := <-w.Events():
stime := time.Now()
switch e := e.(type) {
case app.DestroyEvent:
return
case app.UpdateEvent:
c := &e.Config
ops.Reset()
faces.Reset(c)
cs := layout.RigidConstraints(e.Size)
cs = OuterInset.Begin(c, ops, cs)
f1.Init(ops, cs)
cs = f1.Rigid()
dims := e1.Layout(c, q, ops, cs)
f1c1 := f1.End(dims)
cs = f1.Flexible(5)
cs = InnerInset.Begin(c, ops, cs)
dims = e2.Layout(c, q, ops, cs)
dims = InnerInset.End(dims)
f1c2 := f1.End(dims)
cs = f1.Flexible(10)
f2.Init(ops, cs)
cs = f2.Rigid()
cs = InnerInset.Begin(c, ops, cs)
bg1.Record(ops)
cs = b1ins.Begin(c, ops, cs)
dims = btn1.Layout(ops, cs)
dims = b1ins.End(dims)
pointer.RectAreaOp{image.Rect(0, 0, dims.Size.X, dims.Size.Y)}.Add(ops)
click1.Add(ops)
bg1.Stop()
wi, h := float32(dims.Size.X), float32(dims.Size.Y)
r := float32(c.Px(ui.Dp(4)))
giowrap.Rrect(ops, wi, h, r, r, r, r)
paint.ColorOp{Color: color.RGBA{A: 0xff, R: 0x3c, G: 0x98, B: 0xc6}}.Add(ops)
paint.PaintOp{Rect: f32.Rectangle{Max: f32.Point{X: wi, Y: h}}}.Add(ops)
bg1.Add(ops)
dims = InnerInset.End(dims)
f2c1 := f2.End(dims)
cs = f2.Flexible(0.5)
cs = InnerInset.Begin(c, ops, cs)
bg2.Record(ops)
cs = b2ins.Begin(c, ops, cs)
dims = btn2.Layout(ops, cs)
dims = b2ins.End(dims)
pointer.RectAreaOp{image.Rect(0, 0, dims.Size.X, dims.Size.Y)}.Add(ops)
click2.Add(ops)
bg2.Stop()
wi, h = float32(dims.Size.X), float32(dims.Size.Y)
giowrap.Rrect(ops, wi, h, r, r, r, r)
paint.ColorOp{Color: color.RGBA{A: 0xff, R: 0x3c, G: 0x98, B: 0xc6}}.Add(ops)
paint.PaintOp{Rect: f32.Rectangle{Max: f32.Point{X: wi, Y: h}}}.Add(ops)
bg2.Add(ops)
dims = InnerInset.End(dims)
f2c2 := f2.End(dims)
dims = f2.Layout(f2c1, f2c2)
f1c3 := f1.End(dims)
dims = f1.Layout(f1c1, f1c2, f1c3)
dims = OuterInset.End(dims)
w.Update(ops)
for ev, ok := click1.Next(q); ok; ev, ok = click1.Next(q) {
if ev.Type == gesture.TypeClick {
log.Print("Clicked: " + e1.Text())
}
}
for ev, ok := click2.Next(q); ok; ev, ok = click2.Next(q) {
if ev.Type == gesture.TypeClick {
log.Print("Clicked: " + e2.Text())
}
}
}
dur := time.Since(stime).Nanoseconds()
mux.Lock()
frames = frames + 1
frametime = frametime + dur
if dur > maxframetime {
maxframetime = dur
}
mux.Unlock()
}
if profiled {
continue
}
if time.Since(startTime) < time.Second*10 {
continue
}
if Profile {
profiled = true
f, err := os.Create("memprofile.pprof")
if err != nil {
log.Fatal("could not create memory profile: ", err)
}
if err := pprof.WriteHeapProfile(f); err != nil {
log.Fatal("could not write memory profile: ", err)
}
log.Print("Memory profile written")
f.Close()
}
}
}