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