initial commit
This commit is contained in:
commit
2651178a16
27
go.mod
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27
go.mod
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@ -0,0 +1,27 @@
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module github.com/littlequartz/clink
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go 1.24.5
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require (
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github.com/atotto/clipboard v0.1.4 // indirect
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github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
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github.com/charmbracelet/bubbles v0.21.0 // indirect
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github.com/charmbracelet/bubbletea v1.3.10 // indirect
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github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect
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github.com/charmbracelet/lipgloss v1.1.0 // indirect
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github.com/charmbracelet/x/ansi v0.10.1 // indirect
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github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd // indirect
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github.com/charmbracelet/x/term v0.2.1 // indirect
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github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
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github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
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github.com/mattn/go-isatty v0.0.20 // indirect
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github.com/mattn/go-localereader v0.0.1 // indirect
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github.com/mattn/go-runewidth v0.0.16 // indirect
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github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
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github.com/muesli/cancelreader v0.2.2 // indirect
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github.com/muesli/termenv v0.16.0 // indirect
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github.com/rivo/uniseg v0.4.7 // indirect
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github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
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golang.org/x/sys v0.36.0 // indirect
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golang.org/x/text v0.3.8 // indirect
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)
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45
go.sum
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45
go.sum
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@ -0,0 +1,45 @@
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github.com/atotto/clipboard v0.1.4 h1:EH0zSVneZPSuFR11BlR9YppQTVDbh5+16AmcJi4g1z4=
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github.com/atotto/clipboard v0.1.4/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=
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github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
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github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
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github.com/charmbracelet/bubbles v0.21.0 h1:9TdC97SdRVg/1aaXNVWfFH3nnLAwOXr8Fn6u6mfQdFs=
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github.com/charmbracelet/bubbles v0.21.0/go.mod h1:HF+v6QUR4HkEpz62dx7ym2xc71/KBHg+zKwJtMw+qtg=
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github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
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github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
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github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc h1:4pZI35227imm7yK2bGPcfpFEmuY1gc2YSTShr4iJBfs=
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github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc/go.mod h1:X4/0JoqgTIPSFcRA/P6INZzIuyqdFY5rm8tb41s9okk=
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github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
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github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
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github.com/charmbracelet/x/ansi v0.10.1 h1:rL3Koar5XvX0pHGfovN03f5cxLbCF2YvLeyz7D2jVDQ=
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github.com/charmbracelet/x/ansi v0.10.1/go.mod h1:3RQDQ6lDnROptfpWuUVIUG64bD2g2BgntdxH0Ya5TeE=
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github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd h1:vy0GVL4jeHEwG5YOXDmi86oYw2yuYUGqz6a8sLwg0X8=
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github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
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github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
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github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg=
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github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
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github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
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github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
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github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
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github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
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github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
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github.com/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
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github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+EiG4R1k4Cjx5p88=
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github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
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github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
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github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 h1:ZK8zHtRHOkbHy6Mmr5D264iyp3TiX5OmNcI5cIARiQI=
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github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6/go.mod h1:CJlz5H+gyd6CUWT45Oy4q24RdLyn7Md9Vj2/ldJBSIo=
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github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
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github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
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github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc=
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github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
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github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
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github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
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github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
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github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
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github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
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golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
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golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
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golang.org/x/text v0.3.8 h1:nAL+RVCQ9uMn3vJZbV+MRnydTJFPf8qqY42YiA6MrqY=
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golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
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107
main.go
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107
main.go
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@ -0,0 +1,107 @@
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package main
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import (
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"fmt"
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"strings"
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"github.com/charmbracelet/bubbles/textarea"
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"github.com/charmbracelet/bubbles/viewport"
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tea "github.com/charmbracelet/bubbletea"
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"github.com/charmbracelet/lipgloss"
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)
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type netMsg string
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type model struct {
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vp viewport.Model
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input textarea.Model
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messages []string
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}
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func initialModel() model {
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vp := viewport.New(80, 20)
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vp.Style = lipgloss.NewStyle().Border(lipgloss.NormalBorder()).Padding(0, 1).BorderForeground(lipgloss.Color("#bada55"))
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ta := textarea.New()
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ta.FocusedStyle.CursorLine = lipgloss.NewStyle()
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ta.Placeholder = "Type message and press Enter…"
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ta.Focus()
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ta.Prompt = "┃ "
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ta.CharLimit = 0
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ta.SetHeight(3)
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ta.ShowLineNumbers = false
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return model{
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vp: vp,
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input: ta,
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messages: []string{},
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}
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}
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func (m model) Init() tea.Cmd {
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return textarea.Blink
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}
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func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
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var cmds []tea.Cmd
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switch msg := msg.(type) {
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case tea.KeyMsg:
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switch msg.Type {
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case tea.KeyCtrlC, tea.KeyEsc:
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return m, tea.Quit
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case tea.KeyEnter:
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text := m.input.Value()
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if text != "" {
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m.messages = append(m.messages, fmt.Sprintf("You: %s", text))
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m.messages = append(m.messages, fmt.Sprintf("Bot: %s", text))
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m.input.SetValue("")
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m.refreshViewport()
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}
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return m, nil
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}
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case tea.WindowSizeMsg:
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// Allocate space: viewport above, input below
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m.vp.Width = msg.Width
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m.vp.Height = msg.Height - 4
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m.input.SetWidth(msg.Width - 2)
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m.refreshViewport()
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}
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// Let textarea handle remaining keys
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var cmd tea.Cmd
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m.input, cmd = m.input.Update(msg)
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cmds = append(cmds, cmd)
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return m, tea.Batch(cmds...)
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}
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func (m *model) refreshViewport() {
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contentWidth := m.vp.Width - m.vp.Style.GetHorizontalFrameSize()
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var b strings.Builder
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for _, line := range m.messages {
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wrapped := lipgloss.NewStyle().Width(contentWidth).Render(line)
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b.WriteString(wrapped)
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if !strings.HasSuffix(wrapped, "\n") {
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b.WriteString("\n")
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}
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}
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m.vp.SetContent(b.String())
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m.vp.GotoBottom()
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}
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func (m model) View() string {
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return lipgloss.JoinVertical(
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lipgloss.Left,
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m.vp.View(),
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m.input.View(),
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)
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}
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func main() {
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p := tea.NewProgram(initialModel(), tea.WithAltScreen(), tea.WithMouseCellMotion())
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if _, err := p.Run(); err != nil {
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fmt.Println("Error:", err)
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}
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}
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98
server.go
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98
server.go
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@ -0,0 +1,98 @@
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package main
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import (
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"bufio"
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"fmt"
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"log"
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"net"
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"strings"
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"sync"
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)
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type Hub struct {
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mu sync.Mutex
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conns map[net.Conn]struct{}
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joinCh chan net.Conn
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leaveCh chan net.Conn
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msgCh chan string
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}
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func NewHub() *Hub {
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return &Hub{
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conns: make(map[net.Conn]struct{}),
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joinCh: make(chan net.Conn),
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leaveCh: make(chan net.Conn),
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msgCh: make(chan string, 128),
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}
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}
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func (h *Hub) Run() {
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for {
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select {
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case c := <-h.joinCh:
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h.mu.Lock()
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h.conns[c] = struct{}{}
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h.mu.Unlock()
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case c := <-h.leaveCh:
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h.mu.Lock()
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if _, ok := h.conns[c]; ok {
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delete(h.conns, c)
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_ = c.Close()
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}
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h.mu.Unlock()
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case msg := <-h.msgCh:
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h.mu.Lock()
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for c := range h.conns {
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// newline-delimited messages
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fmt.Fprintln(c, msg)
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}
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h.mu.Unlock()
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}
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}
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}
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func handleConn(h *Hub, c net.Conn) {
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defer func() { h.leaveCh <- c }()
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h.joinCh <- c
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name := c.RemoteAddr().String()
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fmt.Fprintf(c, "Welcome %s\n", name)
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h.msgCh <- fmt.Sprintf("[join] %s", name)
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scanner := bufio.NewScanner(c)
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scanner.Buffer(make([]byte, 0, 1024), 64*1024)
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for scanner.Scan() {
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line := strings.TrimSpace(scanner.Text())
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if line == "" {
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continue
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}
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if line == "/quit" {
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return
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}
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h.msgCh <- fmt.Sprintf("%s: %s", name, line)
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}
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if err := scanner.Err(); err != nil {
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log.Printf("read err from %s: %v", name, err)
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}
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h.msgCh <- fmt.Sprintf("[leave] %s", name)
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}
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func startTCPServer(addr string) error {
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ln, err := net.Listen("tcp", addr)
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if err != nil {
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return err
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}
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log.Printf("TCP chat server listening on %s", ln.Addr())
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hub := NewHub()
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go hub.Run()
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for {
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c, err := ln.Accept()
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if err != nil {
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log.Printf("accept error: %v", err)
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continue
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}
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go handleConn(hub, c)
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}
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}
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Block a user