feat: AutoZero 通用 Agent 框架（从 AutoGo 五阶段拆分完成）
llm（三协议 Provider）/ session（JSONL 持久化）/ tools（Registry、围栏、 builtin、computer）/ cdp（browser）/ skills / mcp / agent（循环、两级压缩、 编排、审批门控）+ 底座 jsonl/textx/execx/diag/scratch/spill/imagecache。 产品装配代码（config 桥接、schedule 工具、memory/plan/retro/prompt） 留在 AutoGo，宿主接入方式见 MIGRATION.md。
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@@ -0,0 +1,291 @@
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//go:build linux
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package tools
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import (
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"context"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"time"
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"git.gopher.ink/mirrors2/AutoZero/diag"
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"git.gopher.ink/mirrors2/AutoZero/execx"
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)
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// screenshotTimeout 兜住截图工具不返回的情况（授权失败、X server 卡死）。
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const screenshotTimeout = 20 * time.Second
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// linuxBackend：Linux 桌面控制，自动检测 X11/Wayland 会话。
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// X11: 输入用 xdotool，截图用 scrot → import → gnome-screenshot。
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// Wayland: 输入用 ydotool，截图用 grim → gnome-screenshot → import。
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type linuxBackend struct {
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inputFn func(args ...string) (string, error) // xdotool 或 ydotool
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isWay bool
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}
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func newGuiBackend() guiBackend {
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b := &linuxBackend{}
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if isWayland() {
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b.isWay = true
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b.inputFn = ydotool
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} else {
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b.inputFn = xdotool
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}
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return b
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}
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// isWayland 检测当前会话是否为 Wayland。
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func isWayland() bool {
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if v := os.Getenv("XDG_SESSION_TYPE"); strings.EqualFold(v, "wayland") {
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return true
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}
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if os.Getenv("WAYLAND_DISPLAY") != "" {
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return true
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}
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return false
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}
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func hasBin(name string) bool {
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_, err := exec.LookPath(name)
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return err == nil
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}
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func (b *linuxBackend) Available() error {
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if b.isWay {
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if _, err := exec.LookPath("ydotool"); err != nil {
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return fmt.Errorf("ydotool is required for computer use on Wayland (e.g. apt install ydotool); also ensure /dev/uinput is accessible (user may need input group)")
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}
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if !hasBin("grim") && !hasBin("gnome-screenshot") && !hasBin("import") {
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return fmt.Errorf("a screenshot tool is required on Wayland (install grim, gnome-screenshot, or imagemagick)")
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}
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return nil
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}
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// X11
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if _, err := exec.LookPath("xdotool"); err != nil {
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return fmt.Errorf("xdotool is required for computer use on X11 (e.g. apt install xdotool)")
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}
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for _, t := range []string{"scrot", "import", "gnome-screenshot"} {
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if hasBin(t) {
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return nil
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}
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}
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return fmt.Errorf("a screenshot tool is required (install scrot, imagemagick, or gnome-screenshot)")
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}
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// PreflightPermissions Linux 暂无统一的“首次引导授权”机制，依赖 Available() 的依赖检查。
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func (b *linuxBackend) PreflightPermissions() []string { return nil }
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func (b *linuxBackend) Screenshot(ctx context.Context, region string) (string, error) {
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// 截图工具在 Wayland 授权失败/X server 卡住时会不返回；ctx 由调用方给，
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// 这里再加一层兜底上限，保证 computer 工具不会把回合钉死。
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cctx, cancel := context.WithTimeout(ctx, screenshotTimeout)
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defer cancel()
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path := filepath.Join(os.TempDir(), fmt.Sprintf("autogo-shot-%d.png", time.Now().UnixNano()))
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var cmd *exec.Cmd
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if b.isWay {
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switch {
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case hasBin("grim") && region != "":
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// grim 支持区域: grim -g x,y,w,h
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cmd = execx.Command(cctx, "grim", "-g", region, path)
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case hasBin("grim"):
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cmd = execx.Command(cctx, "grim", path)
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case hasBin("gnome-screenshot"):
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cmd = execx.Command(cctx, "gnome-screenshot", "-f", path)
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case hasBin("import"):
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cmd = execx.Command(cctx, "import", "-window", "root", path)
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default:
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return "", fmt.Errorf("no screenshot tool available on Wayland (install grim)")
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}
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} else {
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// X11
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switch {
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case region != "" && hasBin("scrot"):
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cmd = execx.Command(cctx, "scrot", "-o", "-a", region, path)
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case hasBin("scrot"):
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if region != "" {
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// import/gnome-screenshot 不支持区域，静默截全屏并打印提示
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diag.Printf("[computer] warning: region screenshot not supported with current tool; capturing full screen\n")
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}
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cmd = execx.Command(cctx, "scrot", "-o", path)
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case hasBin("import"):
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if region != "" {
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diag.Printf("[computer] warning: region screenshot not supported with import; capturing full screen\n")
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}
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cmd = execx.Command(cctx, "import", "-window", "root", path)
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case hasBin("gnome-screenshot"):
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if region != "" {
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diag.Printf("[computer] warning: region screenshot not supported with gnome-screenshot; capturing full screen\n")
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}
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cmd = execx.Command(cctx, "gnome-screenshot", "-f", path)
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default:
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return "", fmt.Errorf("no screenshot tool available (install scrot or imagemagick)")
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}
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}
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if out, err := cmd.CombinedOutput(); err != nil {
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_ = os.Remove(path)
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return "", fmt.Errorf("screenshot failed: %w: %s", err, oneLine(out))
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}
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if _, err := os.Stat(path); err != nil {
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return "", fmt.Errorf("screenshot was not created (is DISPLAY/WAYLAND_DISPLAY set?)")
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}
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return path, nil
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}
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func (b *linuxBackend) Click(_ context.Context, x, y int, kind string) error {
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if b.isWay {
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return ydotoolClick(x, y, kind)
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}
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args := []string{"mousemove", itoa(x), itoa(y)}
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switch kind {
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case "right":
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args = append(args, "click", "3")
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case "double":
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args = append(args, "click", "--repeat", "2", "--delay", "80", "1")
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default:
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args = append(args, "click", "1")
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}
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_, err := b.inputFn(args...)
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return err
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}
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func (b *linuxBackend) TypeText(_ context.Context, text string) error {
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if b.isWay {
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// ydotool type: 逐字符输入
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_, err := ydotool("type", "--delay", "15", "--", text)
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return err
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}
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_, err := xdotool("type", "--delay", "15", "--", text)
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return err
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}
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func (b *linuxBackend) KeyChord(_ context.Context, chordStr string) error {
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mods, main, err := parseChord(chordStr)
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if err != nil {
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return err
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}
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if b.isWay {
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combo, err := chordToYdotool(mods, main, chordStr)
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if err != nil {
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return err
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}
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_, err = ydotool("key", combo)
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return err
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}
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combo, err := chordToXdotool(mods, main, chordStr)
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if err != nil {
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return err
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}
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_, err = xdotool("key", "--clearmodifiers", combo)
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return err
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}
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func (b *linuxBackend) Scroll(_ context.Context, direction string, amount int) error {
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if b.isWay {
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return ydotoolScroll(direction, amount)
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}
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button := "5" // 滚轮下
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if direction == "up" {
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button = "4"
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}
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_, err := xdotool("click", "--repeat", itoa(amount), "--delay", "90", button)
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return err
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}
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// ---- xdotool (X11) ----
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func xdotool(args ...string) (string, error) {
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cctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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out, err := execx.Run(cctx, execx.Options{}, "xdotool", args...)
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if err != nil {
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return string(out), fmt.Errorf("xdotool %s: %w: %s", joinArgs(args), err, oneLine(out))
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}
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return string(out), nil
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}
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// ---- ydotool (Wayland) ----
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func ydotool(args ...string) (string, error) {
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cctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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out, err := execx.Run(cctx, execx.Options{}, "ydotool", args...)
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if err != nil {
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return string(out), fmt.Errorf("ydotool %s: %w: %s", joinArgs(args), err, oneLine(out))
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}
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return string(out), nil
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}
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func ydotoolClick(x, y int, kind string) error {
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// ydotool:mousemove absolute x y; click:1=左 3=右
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args := []string{"mousemove", "--absolute", itoa(x), itoa(y)}
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switch kind {
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case "right":
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args = append(args, "click", "3")
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case "double":
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args = append(args, "click", "1", "--next-delay", "80", "click", "1")
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default:
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args = append(args, "click", "1")
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}
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_, err := ydotool(args...)
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return err
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}
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func ydotoolScroll(direction string, amount int) error {
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// ydotool: wheel: -120=上 120=下
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delta := "120"
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if direction == "up" {
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delta = "-120"
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}
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for i := 0; i < amount; i++ {
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if _, err := ydotool("wheel", "--delta", delta); err != nil {
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return err
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}
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time.Sleep(90 * time.Millisecond)
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}
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return nil
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}
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// chordToYdotool 翻译为 ydotool 按键语法。
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// ydotool 使用 Linux 内核 keycode 名称（与 xdotool 类似但不完全相同）。
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func chordToYdotool(mods []string, main, orig string) (string, error) {
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modMap := map[string]string{
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"ctrl": "ctrl", "control": "ctrl", "alt": "alt", "option": "alt",
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"shift": "shift", "cmd": "meta", "command": "meta",
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"win": "meta", "super": "meta", "meta": "meta",
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}
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mainMap := map[string]string{
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"enter": "enter", "return": "enter", "escape": "esc", "esc": "esc",
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"tab": "tab", "delete": "delete", "backspace": "backspace", "forwarddelete": "delete",
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"up": "up", "down": "down", "left": "left", "right": "right",
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"space": "space", "home": "home", "end": "end",
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"pageup": "pageup", "pagedown": "pagedown",
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}
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parts := make([]string, 0, len(mods)+1)
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for _, m := range mods {
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parts = append(parts, modMap[m])
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}
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if sym, ok := mainMap[main]; ok {
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parts = append(parts, sym)
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} else if n := fnKeyNum(main); n > 0 {
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parts = append(parts, fmt.Sprintf("f%d", n))
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} else {
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parts = append(parts, main)
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}
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return strings.Join(parts, "+"), nil
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}
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func joinArgs(args []string) string {
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s := ""
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for i, a := range args {
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if i > 0 {
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s += " "
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}
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s += a
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}
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return s
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}
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