first commit

cli/internal/runtime/tabmgr_windows.go

@@ -0,0 +1,39 @@
+//go:build windows
+
+package runtime
+
+import (
+	"context"
+	"errors"
+	"io"
+)
+
+// ErrQuit is returned by RunTabbed when the user quits the chooser
+// without creating any tabs.
+var ErrQuit = errors.New("user quit")
+
+// ErrBackToTabs is returned by the newTabFn when the user presses Ctrl+B
+// to dismiss the chooser and return to tab command mode.
+var ErrBackToTabs = errors.New("back to tabs")
+
+// ErrUpdateRequested is returned by RunTabbed when the user presses U in
+// tab command mode to trigger a self-update and re-exec.
+var ErrUpdateRequested = errors.New("update requested")
+
+// NewTabFunc is called when the user requests a new tab or reopens the
+// chooser for the active tab.
+// stdinReader provides keyboard input; when nil the callback should read os.Stdin.
+// tabBarLine returns the current tab bar content for embedding in the chooser view.
+type NewTabFunc func(ctx context.Context, notify func(level TabNoticeLevel, message string), tabBarLine func() string, stdinReader io.Reader, seed *LaunchSpec) (*LaunchSpec, error)
+
+// RunTabbed is not supported on Windows — falls back to single-session mode.
+func RunTabbed(ctx context.Context, stdout, stderr io.Writer, version string, updateVersion string, newTabFn NewTabFunc) error {
+	spec, err := newTabFn(ctx, func(TabNoticeLevel, string) {}, nil, nil, nil)
+	if err != nil {
+		return err
+	}
+	if spec == nil {
+		return ErrQuit
+	}
+	return RunInteractive(ctx, stdout, stderr, *spec)
+}