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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
package main
import (
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/app"
"fyne.io/fyne/v2/canvas"
"fyne.io/fyne/v2/container"
"fyne.io/fyne/v2/data/binding"
"fyne.io/fyne/v2/dialog"
"fyne.io/fyne/v2/layout"
"fyne.io/fyne/v2/widget"
"image/color"
"sync"
)
func chatLayout(window fyne.Window, user UserData, c chan string) {
window.SetTitle("Сообщения")
storage.Lock()
storage.data = binding.BindStringList(&storage.stringData)
storage.Unlock()
go runClient(user, c)
list := widget.NewListWithData(storage.data,
func() fyne.CanvasObject {
return widget.NewLabel("template")
},
func(i binding.DataItem, o fyne.CanvasObject) {
o.(*widget.Label).Bind(i.(binding.String))
})
entry := widget.NewEntry()
submit := widget.NewButton("Отправить", func() {
channelLock.Lock()
c <- entry.Text
entry.SetText("")
storage.RLock()
lastIdx := storage.data.Length() - 1
list.Select(lastIdx)
list.Unselect(lastIdx)
storage.RUnlock()
})
window.SetContent(container.NewBorder(
nil,
container.NewBorder(nil, nil, nil, submit, entry),
nil, nil,
list,
))
}
func loginLayout(window fyne.Window, c chan string) {
window.SetTitle("Войти в чат")
label := canvas.NewText("Chat", color.White)
label.TextSize = 40
loginLabel := widget.NewLabel("Логин: ")
loginEntry := widget.NewEntry()
chooseKey := widget.NewButton("Выбрать ключ для подписи", func() {
dialog.ShowFileOpen(func(closer fyne.URIReadCloser, err error) {
if closer == nil {
return
}
bufSize := 4096
data := make([]byte, 0)
buf := make([]byte, bufSize)
n := bufSize
for n >= bufSize {
n, _ = closer.Read(buf)
data = append(data, buf...)
}
closer.Close()
}, window)
})
loginButton := widget.NewButton("Войти", func() {
var user = UserData{
Username: loginEntry.Text,
}
chatLayout(window, user, c)
})
back := widget.NewButton("Назад", func() {
startLayout(window, c)
})
mainContainer := container.NewCenter(container.NewVBox(
container.NewCenter(label), layout.NewSpacer(),
container.NewBorder(nil, nil, loginLabel, nil, loginEntry),
chooseKey,
loginButton,
back,
))
window.SetContent(mainContainer)
}
func registerLayout(window fyne.Window, c chan string) {
window.SetTitle("Регистрация")
label := canvas.NewText("Chat", color.White)
label.TextSize = 40
loginLabel := widget.NewLabel("Логин: ")
loginEntry := widget.NewEntry()
generateKeys := widget.NewButton("Сгенерировать ключи подписи", func() {
})
registerButton := widget.NewButton("Зарегистрироваться", func() {
})
back := widget.NewButton("Назад", func() {
startLayout(window, c)
})
window.SetContent(container.NewCenter(container.NewVBox(
container.NewCenter(label), layout.NewSpacer(),
container.NewBorder(nil, nil, loginLabel, nil, loginEntry),
generateKeys,
registerButton,
back,
)))
}
func startLayout(window fyne.Window, c chan string) {
window.SetTitle("Chat")
label := canvas.NewText("Chat", color.White)
label.TextSize = 40
login := widget.NewButton("Войти", func() {
loginLayout(window, c)
})
signup := widget.NewButton("Зарегистрироваться", func() {
registerLayout(window, c)
})
mainContainer := container.NewCenter(container.NewVBox(
container.NewCenter(label), layout.NewSpacer(), login, signup))
window.SetContent(mainContainer)
}
//var channel chan string
var channelLock sync.Mutex
func main() {
myApp := app.New()
window := myApp.NewWindow("")
channel := make(chan string)
startLayout(window, channel)
window.ShowAndRun()
}
|
