zorldo

shiny.go (1363B)

---

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