Files
u-tabs/internal/app.go
绝尘 a027fe1703 新增: u-tabs 初始版本
Go TUI 项目启动器,基于 bubbletea v2 + lipgloss v2。
支持分组 Tab、多选启动、编号跳转、Windows Terminal 集成。
2026-05-16 21:01:03 +08:00

388 lines
9.3 KiB
Go

package internal
import (
"crypto/rand"
"encoding/base64"
"fmt"
"log"
"math/big"
"os/exec"
"strconv"
"strings"
"unicode/utf16"
"unicode/utf8"
"charm.land/bubbletea/v2"
"charm.land/lipgloss/v2"
"u-tabs/internal/style"
)
// Model 主模型
type Model struct {
activeGroup int
cursor int
selected map[int]bool
inputBuf string
width int
height int
launched string
}
func NewModel() *Model {
return &Model{
activeGroup: 0,
selected: make(map[int]bool),
}
}
func (m *Model) Init() tea.Cmd {
return nil
}
func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.KeyPressMsg:
s := msg.String()
switch s {
case "q", "ctrl+c":
return m, tea.Quit
case "tab", "right", "l":
m.activeGroup = (m.activeGroup + 1) % len(Groups)
m.cursor = 0
m.inputBuf = ""
case "shift+tab", "left", "h":
m.activeGroup = (m.activeGroup - 1 + len(Groups)) % len(Groups)
m.cursor = 0
m.inputBuf = ""
case "1", "2", "3", "4":
idx, _ := strconv.Atoi(s)
if idx <= len(Groups) {
m.activeGroup = idx - 1
m.cursor = 0
m.inputBuf = ""
}
case "up", "k":
m.moveCursor(-1)
case "down", "j":
m.moveCursor(1)
case " ":
m.toggleMultiSelect()
case "enter":
if m.inputBuf != "" {
return m.launchByInput()
}
return m.launchSelected()
default:
if len(s) == 1 && s[0] >= '0' && s[0] <= '9' {
m.inputBuf += s
}
}
case tea.WindowSizeMsg:
m.width = msg.Width
m.height = msg.Height
}
return m, nil
}
func (m *Model) moveCursor(dir int) {
svcs := WorkspacesByGroup(Groups[m.activeGroup].Label)
if len(svcs) == 0 {
return
}
m.cursor += dir
if m.cursor < 0 {
m.cursor = len(svcs) - 1
}
if m.cursor >= len(svcs) {
m.cursor = 0
}
}
func (m *Model) toggleMultiSelect() {
svcs := WorkspacesByGroup(Groups[m.activeGroup].Label)
if m.cursor < len(svcs) {
idx := svcs[m.cursor].Index
if m.selected[idx] {
delete(m.selected, idx)
} else {
m.selected[idx] = true
}
}
}
func (m *Model) launchSelected() (*Model, tea.Cmd) {
if len(m.selected) > 0 {
var launched []string
for idx := range m.selected {
ws := &AllWorkspaces[idx]
go launchWorkspace(*ws)
launched = append(launched, ws.Title)
}
m.launched = strings.Join(launched, ", ")
m.selected = make(map[int]bool)
return m, nil
}
svcs := WorkspacesByGroup(Groups[m.activeGroup].Label)
if m.cursor < len(svcs) {
ws := svcs[m.cursor]
go launchWorkspace(ws)
m.launched = ws.Title
}
return m, nil
}
func (m *Model) launchByInput() (*Model, tea.Cmd) {
num, err := strconv.Atoi(m.inputBuf)
if err != nil {
m.inputBuf = ""
return m, nil
}
ws := FindByNumber(num)
if ws != nil {
go launchWorkspace(*ws)
m.launched = ws.Title
}
m.inputBuf = ""
return m, nil
}
func (m *Model) View() tea.View {
v := tea.NewView(m.render())
v.AltScreen = true
v.MouseMode = tea.MouseModeCellMotion
v.WindowTitle = "u-tabs"
return v
}
func (m *Model) render() string {
if m.width == 0 {
return "loading..."
}
var b strings.Builder
// layout widths
listW := max(42, min(65, m.width*55/100))
detailW := max(30, m.width-listW-3)
// ── header: title + tabs ──
b.WriteString(style.TitleStyle.Render(" u-tabs "))
sep := style.TabSep.Render(" | ")
for i, g := range Groups {
if i > 0 {
b.WriteString(sep)
}
label := fmt.Sprintf(" %s %s ", g.Label, g.Desc)
if i == m.activeGroup {
gs, ok := style.GroupStyles[g.Label]
if ok {
b.WriteString(lipgloss.NewStyle().
Bold(true).Background(style.BgPanel).Foreground(gs.GetForeground()).
Padding(0, 1).Render(label))
} else {
b.WriteString(style.TabActiveStyle.Render(label))
}
} else {
b.WriteString(style.TabInactiveStyle.Render(label))
}
}
b.WriteString("\n")
b.WriteString(lipgloss.NewStyle().Foreground(style.BgPanel).Render(strings.Repeat("─", m.width)))
b.WriteString("\n")
g := Groups[m.activeGroup]
gs, _ := style.GroupStyles[g.Label]
svcs := WorkspacesByGroup(g.Label)
if len(svcs) == 0 {
b.WriteString(style.SubtitleStyle.Render(" empty"))
return b.String()
}
// ═══ left: list ═══
var left strings.Builder
innerW := listW - 4
for i, ws := range svcs {
cur := " "
if i == m.cursor {
cur = "▸"
}
mark := " "
if m.selected[ws.Index] {
mark = style.MarkStyle.Render("✓")
}
num := style.NumStyle.Render(fmt.Sprintf("%02d", ws.N))
prefix := cur + " " + mark + " " + num + " "
remainW := max(10, innerW-lipgloss.Width(prefix))
text := truncateByWidth(ws.Title+" "+ws.Prompt, remainW)
line := prefix + text
if i == m.cursor {
left.WriteString(style.SelStyle.Width(innerW).Render(line))
} else {
left.WriteString(style.NormStyle.Render(line))
}
left.WriteString("\n")
}
groupHeader := gs.Render(fmt.Sprintf(" %s · %d ", g.Label, len(svcs)))
listBox := lipgloss.NewStyle().
Border(lipgloss.NormalBorder()).
BorderForeground(style.BgPanel).
Width(listW).
Padding(0, 1).
Render(groupHeader + "\n" + left.String())
// ═══ right: detail ═══
var right strings.Builder
if m.cursor < len(svcs) {
ws := svcs[m.cursor]
right.WriteString(style.DetailTitle.Render(" detail "))
right.WriteString(lipgloss.NewStyle().Foreground(style.BgPanel).Render(strings.Repeat("─", detailW-10)))
right.WriteString("\n\n")
rows := []struct {
key string
val string
sty lipgloss.Style
}{
{"dir", ws.Dir, style.ValStyle},
{"no", fmt.Sprintf("%02d · %s", ws.N, ws.Group), style.NumStyle},
{"desc", ws.Prompt, style.ValStyle},
{"tech", ws.Tech, style.TechStyle},
{"deploy", ws.Deploy, style.DeployStyle},
}
for _, r := range rows {
right.WriteString(" ")
right.WriteString(style.KeyStyle.Render(r.key))
right.WriteString(" ")
right.WriteString(r.sty.Render(r.val))
right.WriteString("\n")
}
right.WriteString("\n")
right.WriteString(lipgloss.NewStyle().Foreground(style.BgPanel).Render(" " + strings.Repeat("─", detailW-6)))
right.WriteString("\n")
right.WriteString(lipgloss.NewStyle().Foreground(style.Accent).Italic(true).Render(" $ wt → CC @" + ws.Title))
right.WriteString("\n")
right.WriteString(lipgloss.NewStyle().Foreground(style.Dim).Render(" [Enter]start [Space]multi"))
} else {
right.WriteString(lipgloss.NewStyle().Foreground(style.Dim).Render(" ← select to view"))
}
detailBox := lipgloss.NewStyle().
Border(lipgloss.NormalBorder()).
BorderForeground(style.BgPanel).
Width(detailW).
Padding(0, 1).
Render(right.String())
b.WriteString(lipgloss.JoinHorizontal(lipgloss.Left, listBox, " ", detailBox))
// ── footer ──
b.WriteString("\n")
if m.inputBuf != "" {
b.WriteString(style.InputStyle.Render(fmt.Sprintf(" ▶ num:%s [Enter]go [Esc]cancel", m.inputBuf)))
}
if m.launched != "" {
b.WriteString(lipgloss.NewStyle().Foreground(style.Accent).Render(fmt.Sprintf(" ✓ %s", m.launched)))
m.launched = ""
}
b.WriteString("\n")
helpParts := []string{
m.fmtHelp("j/k", "sel"),
m.fmtHelp("Enter", "run"),
m.fmtHelp("Space", "multi"),
m.fmtHelp("Tab", "group"),
m.fmtHelp("q", "quit"),
}
b.WriteString(" " + strings.Join(helpParts, " "))
if hint := ConfigHint(); hint != "" {
b.WriteString("\n" + hint)
}
return b.String()
}
func (m *Model) fmtHelp(key, desc string) string {
return lipgloss.NewStyle().Foreground(style.Accent).Render(key) +
lipgloss.NewStyle().Foreground(style.Dim).Render(":" + desc)
}
// truncateByWidth 按显示宽度截断字符串,不切断多字节字符
func truncateByWidth(s string, maxW int) string {
w := 0
for i := 0; i < len(s); {
_, size := utf8.DecodeRuneInString(s[i:])
r := rune(s[i])
rw := runeWidth(r)
if w+rw > maxW {
return s[:i]
}
w += rw
i += size
}
return s
}
// runeWidth 返回单个 rune 的终端显示宽度 (CJK=2, 其他=1)
func runeWidth(r rune) int {
if r >= 0x1100 &&
(r <= 0x115F || r == 0x2329 || r == 0x232A ||
(r >= 0x2E80 && r <= 0xA4CF && r != 0x303F) ||
(r >= 0xAC00 && r <= 0xD7A3) ||
(r >= 0xF900 && r <= 0xFAFF) ||
(r >= 0xFE10 && r <= 0xFE19) ||
(r >= 0xFE30 && r <= 0xFE6F) ||
(r >= 0xFF01 && r <= 0xFF60) ||
(r >= 0xFFE0 && r <= 0xFFE6) ||
(r >= 0x20000 && r <= 0x2FFFD) ||
(r >= 0x30000 && r <= 0x3FFFD)) {
return 2
}
return 1
}
// --- launch ---
func launchWorkspace(ws Workspace) {
script := buildLaunchScript(ws)
encoded := encodePSCommand(script)
color := fmt.Sprintf("#%02X%02X%02X", randRange(80, 255), randRange(80, 255), randRange(80, 255))
cmd := exec.Command("wt.exe", "-w", "0",
"-d", ws.Dir,
"--tabColor", color,
"pwsh", "-NoExit", "-EncodedCommand", encoded,
)
if err := cmd.Start(); err != nil {
log.Printf("[u-tabs] launch fail %s(%d): %v", ws.Title, ws.N, err)
}
}
func buildLaunchScript(ws Workspace) string {
return fmt.Sprintf(`$Host.UI.RawUI.WindowTitle = "%s"
Write-Host "=== %s ===" -ForegroundColor Cyan
Write-Host "Prompt: %s" -ForegroundColor Yellow
cd "%s"
claude --name "%s" --permission-mode bypassPermissions`,
ws.Title, ws.Title, ws.Prompt, ws.Dir, ws.Title)
}
func encodePSCommand(script string) string {
u16 := utf16.Encode([]rune(script))
b := make([]byte, len(u16)*2)
for i, r := range u16 {
b[i*2] = byte(r)
b[i*2+1] = byte(r >> 8)
}
return base64.StdEncoding.EncodeToString(b)
}
func randRange(min, max int) int {
n, _ := rand.Int(rand.Reader, big.NewInt(int64(max-min)))
return min + int(n.Int64())
}