84 строки
1.6 KiB
Go
84 строки
1.6 KiB
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build windows
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package app
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import (
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"log"
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"golang.org/x/exp/shiny/driver/gldriver"
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"golang.org/x/exp/shiny/screen"
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"golang.org/x/mobile/event/lifecycle"
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"golang.org/x/mobile/event/mouse"
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"golang.org/x/mobile/event/touch"
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"golang.org/x/mobile/gl"
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)
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func main(f func(a App)) {
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gldriver.Main(func(s screen.Screen) {
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w, err := s.NewWindow(nil)
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if err != nil {
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log.Fatal(err)
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}
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defer w.Release()
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theApp.glctx = nil
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theApp.worker = nil // handled by shiny
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go func() {
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for range theApp.publish {
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res := w.Publish()
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theApp.publishResult <- PublishResult{
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BackBufferPreserved: res.BackBufferPreserved,
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}
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}
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}()
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donec := make(chan struct{})
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go func() {
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// close the donec channel in a defer statement
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// so that we could still be able to return even
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// if f panics.
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defer close(donec)
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f(theApp)
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}()
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for {
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select {
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case <-donec:
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return
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default:
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theApp.Send(convertEvent(w.NextEvent()))
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}
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}
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})
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}
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func convertEvent(e interface{}) interface{} {
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switch e := e.(type) {
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case lifecycle.Event:
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if theApp.glctx == nil {
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theApp.glctx = e.DrawContext.(gl.Context)
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}
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case mouse.Event:
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te := touch.Event{
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X: e.X,
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Y: e.Y,
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}
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switch e.Direction {
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case mouse.DirNone:
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te.Type = touch.TypeMove
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case mouse.DirPress:
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te.Type = touch.TypeBegin
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case mouse.DirRelease:
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te.Type = touch.TypeEnd
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}
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return te
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}
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return e
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}
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