1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
// 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 darwin || linux
// Small test app used by app/app_test.go.
package main
import (
"log"
"net"
"golang.org/x/mobile/app"
"golang.org/x/mobile/app/internal/apptest"
"golang.org/x/mobile/event/lifecycle"
"golang.org/x/mobile/event/paint"
"golang.org/x/mobile/event/size"
"golang.org/x/mobile/event/touch"
"golang.org/x/mobile/gl"
)
func main() {
app.Main(func(a app.App) {
var (
glctx gl.Context
visible bool
)
addr := "127.0.0.1:" + apptest.Port
log.Printf("addr: %s", addr)
conn, err := net.Dial("tcp", addr)
if err != nil {
log.Fatal(err)
}
defer conn.Close()
log.Printf("dialled")
comm := &apptest.Comm{
Conn: conn,
Fatalf: log.Panicf,
Printf: log.Printf,
}
comm.Send("hello_from_testapp")
comm.Recv("hello_from_host")
color := "red"
sendPainting := false
for e := range a.Events() {
switch e := a.Filter(e).(type) {
case lifecycle.Event:
switch e.Crosses(lifecycle.StageVisible) {
case lifecycle.CrossOn:
comm.Send("lifecycle_visible")
sendPainting = true
visible = true
glctx, _ = e.DrawContext.(gl.Context)
case lifecycle.CrossOff:
comm.Send("lifecycle_not_visible")
visible = false
}
case size.Event:
comm.Send("size", e.PixelsPerPt, e.Orientation)
case paint.Event:
if visible {
if color == "red" {
glctx.ClearColor(1, 0, 0, 1)
} else {
glctx.ClearColor(0, 1, 0, 1)
}
glctx.Clear(gl.COLOR_BUFFER_BIT)
a.Publish()
}
if sendPainting {
comm.Send("paint", color)
sendPainting = false
}
case touch.Event:
comm.Send("touch", e.Type, e.X, e.Y)
if e.Type == touch.TypeEnd {
if color == "red" {
color = "green"
} else {
color = "red"
}
sendPainting = true
// Send a paint event so the screen gets redrawn.
a.Send(paint.Event{})
}
}
}
})
}
|
