forked from go/golangs_learn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.1 KiB
61 lines
1.1 KiB
3 years ago
|
// SPDX-License-Identifier: Unlicense OR MIT
|
||
|
|
||
|
package main
|
||
|
|
||
|
// A simple Gio program. See https://gioui.org for more information.
|
||
|
|
||
|
import (
|
||
|
"log"
|
||
|
|
||
|
"gioui.org/app"
|
||
|
"gioui.org/io/system"
|
||
|
"gioui.org/layout"
|
||
|
"gioui.org/op"
|
||
|
"gioui.org/widget"
|
||
|
"gioui.org/widget/material"
|
||
|
|
||
|
"gioui.org/font/gofont"
|
||
|
"gioui.org/x/haptic"
|
||
|
)
|
||
|
|
||
|
var buzzer *haptic.Buzzer
|
||
|
|
||
|
func main() {
|
||
|
go func() {
|
||
|
w := app.NewWindow()
|
||
|
if err := loop(w); err != nil {
|
||
|
log.Fatal(err)
|
||
|
}
|
||
|
}()
|
||
|
app.Main()
|
||
|
}
|
||
|
|
||
|
func loop(w *app.Window) error {
|
||
|
th := material.NewTheme(gofont.Collection())
|
||
|
btn := widget.Clickable{}
|
||
|
buzzer = haptic.NewBuzzer(w)
|
||
|
var ops op.Ops
|
||
|
for {
|
||
|
select {
|
||
|
case e := <-w.Events():
|
||
|
switch e := e.(type) {
|
||
|
case system.DestroyEvent:
|
||
|
return e.Err
|
||
|
case system.FrameEvent:
|
||
|
if btn.Clicked() {
|
||
|
buzzer.Buzz()
|
||
|
}
|
||
|
gtx := layout.NewContext(&ops, e)
|
||
|
layout.Center.Layout(gtx, material.Button(th, &btn, "buzz").Layout)
|
||
|
e.Frame(gtx.Ops)
|
||
|
default:
|
||
|
ProcessPlatformEvent(e)
|
||
|
}
|
||
|
case err := <-buzzer.Errors():
|
||
|
if err != nil {
|
||
|
log.Printf("buzzer error: %v", err)
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|