v1.8.0: file manager improvements

- SFTP cleanup on app close and language switch
- Windows drive selector in local panel
- Browse and Refresh buttons for local panel
- Recursive upload/download/delete of folders
- Drag-and-drop between local and remote panels
- Sudo mode toggle for privileged file operations
- New i18n keys for EN/RU/ZH

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

core/i18n.py

@@ -275,6 +275,15 @@ _EN = {
     "parent_dir": "Parent directory",
     "refresh_files": "Refresh",
     "items_count": "{count} items",
+    "sudo_mode": "Sudo",
+    "try_sudo_hint": "Try enabling Sudo mode",
+    "uploading_dir": "Uploading folder: {name}",
+    "downloading_dir": "Downloading folder: {name}",
+    "transfer_file_progress": "File {cur}/{total}: {name}",
+    "drop_to_upload": "Drop to upload",
+    "drop_to_download": "Drop to download",
+    "recursive_delete_confirm": "Delete folder '{name}' and all contents?",
+    "drive": "Drive",
 }
 
 _RU = {
@@ -527,6 +536,15 @@ _RU = {
     "parent_dir": "Родительская папка",
     "refresh_files": "Обновить",
     "items_count": "{count} элементов",
+    "sudo_mode": "Sudo",
+    "try_sudo_hint": "Попробуйте включить Sudo",
+    "uploading_dir": "Загрузка папки: {name}",
+    "downloading_dir": "Скачивание папки: {name}",
+    "transfer_file_progress": "Файл {cur}/{total}: {name}",
+    "drop_to_upload": "Отпустите для загрузки",
+    "drop_to_download": "Отпустите для скачивания",
+    "recursive_delete_confirm": "Удалить папку '{name}' со всем содержимым?",
+    "drive": "Диск",
 }
 
 _ZH = {
@@ -779,6 +797,15 @@ _ZH = {
     "parent_dir": "上级目录",
     "refresh_files": "刷新",
     "items_count": "{count} 个项目",
+    "sudo_mode": "Sudo",
+    "try_sudo_hint": "尝试启用Sudo模式",
+    "uploading_dir": "上传文件夹: {name}",
+    "downloading_dir": "下载文件夹: {name}",
+    "transfer_file_progress": "文件 {cur}/{total}: {name}",
+    "drop_to_upload": "释放以上传",
+    "drop_to_download": "释放以下载",
+    "recursive_delete_confirm": "删除文件夹 '{name}' 及所有内容?",
+    "drive": "驱动器",
 }
 
 _TRANSLATIONS = {

core/ssh_client.py

@@ -316,6 +316,7 @@ class SFTPSession:
         self.key_path = key_path
         self._client: paramiko.SSHClient | None = None
         self._sftp: paramiko.SFTPClient | None = None
+        self.sudo_mode: bool = False
 
     @property
     def connected(self) -> bool:
@@ -380,6 +381,166 @@ class SFTPSession:
     def normalize(self, path: str) -> str:
         return self._sftp.normalize(path)
 
+    # ── Recursive operations ──
+
+    def upload_dir(self, local_dir: str, remote_dir: str, progress_cb=None, file_cb=None):
+        """Recursively upload a local directory to remote."""
+        all_files = []
+        for root, dirs, files in os.walk(local_dir):
+            rel = os.path.relpath(root, local_dir)
+            remote_sub = remote_dir if rel == "." else remote_dir + "/" + rel.replace("\\", "/")
+            try:
+                self._sftp.mkdir(remote_sub)
+            except IOError:
+                pass
+            for f in files:
+                local_file = os.path.join(root, f)
+                remote_file = remote_sub + "/" + f
+                all_files.append((local_file, remote_file))
+
+        for idx, (local_file, remote_file) in enumerate(all_files):
+            if file_cb:
+                file_cb(idx + 1, len(all_files), os.path.basename(local_file))
+            self._sftp.put(local_file, remote_file, callback=progress_cb)
+
+    def download_dir(self, remote_dir: str, local_dir: str, progress_cb=None, file_cb=None):
+        """Recursively download a remote directory to local."""
+        all_files = []
+        self._walk_remote(remote_dir, remote_dir, all_files)
+        for idx, (remote_file, rel_path) in enumerate(all_files):
+            local_file = os.path.join(local_dir, rel_path)
+            os.makedirs(os.path.dirname(local_file), exist_ok=True)
+            if file_cb:
+                file_cb(idx + 1, len(all_files), os.path.basename(remote_file))
+            self._sftp.get(remote_file, local_file, callback=progress_cb)
+
+    def _walk_remote(self, base: str, current: str, result: list):
+        """Recursively walk remote directory, collecting (abs_path, relative_path) tuples."""
+        import stat as stat_mod
+        for attr in self._sftp.listdir_attr(current):
+            full = current + "/" + attr.filename
+            rel = full[len(base):].lstrip("/")
+            if stat_mod.S_ISDIR(attr.st_mode or 0):
+                self._walk_remote(base, full, result)
+            else:
+                result.append((full, rel.replace("/", os.sep)))
+
+    def rmdir_recursive(self, path: str):
+        """Recursively delete a remote directory."""
+        import stat as stat_mod
+        for attr in self._sftp.listdir_attr(path):
+            child = path + "/" + attr.filename
+            if stat_mod.S_ISDIR(attr.st_mode or 0):
+                self.rmdir_recursive(child)
+            else:
+                self._sftp.remove(child)
+        self._sftp.rmdir(path)
+
+    # ── Sudo operations ──
+
+    def exec_command(self, cmd: str) -> str:
+        """Execute command via SSH with optional sudo wrapper."""
+        if not self._client:
+            raise Exception("Not connected")
+        password = self.server.get("password", "")
+        user = self.server.get("user", "root")
+        if self.sudo_mode and user != "root":
+            full_cmd = f"sudo -S -p '' bash -c {_shell_quote(cmd)}"
+        else:
+            full_cmd = cmd
+        stdin, stdout, stderr = self._client.exec_command(full_cmd, timeout=30)
+        if self.sudo_mode and user != "root" and password:
+            stdin.write(password + "\n")
+            stdin.flush()
+        return stdout.read().decode("utf-8", errors="replace")
+
+    def listdir_attr_sudo(self, path: str) -> list:
+        """List directory using sudo ls -la, returning objects with .filename/.st_size/.st_mtime/.st_mode."""
+        output = self.exec_command(f"ls -la --time-style=+%s {_shell_quote(path)}")
+        results = []
+        for line in output.strip().splitlines():
+            if line.startswith("total "):
+                continue
+            parts = line.split(None, 7)
+            if len(parts) < 7:
+                continue
+            perms = parts[0]
+            if perms.startswith("d") or perms.startswith("l") or perms.startswith("-"):
+                pass
+            else:
+                continue
+            size_str = parts[4]
+            mtime_str = parts[5]
+            # parts[6] may be time or name depending on format
+            # With --time-style=+%s: perms links owner group size epoch name
+            name = parts[6] if len(parts) == 7 else parts[7]
+            if name in (".", ".."):
+                continue
+            try:
+                size = int(size_str)
+            except ValueError:
+                size = 0
+            try:
+                mtime = int(mtime_str)
+            except ValueError:
+                mtime = 0
+            mode = _parse_ls_perms(perms)
+            entry = _SudoFileAttr(name, size, mtime, mode)
+            results.append(entry)
+        return results
+
+    def upload_sudo(self, local_path: str, remote_path: str, progress_cb=None):
+        """Upload via SFTP to /tmp then sudo mv to destination."""
+        import random
+        tmp_name = f"/tmp/.sm_upload_{random.randint(100000, 999999)}"
+        if progress_cb:
+            self._sftp.put(local_path, tmp_name, callback=progress_cb)
+        else:
+            self._sftp.put(local_path, tmp_name)
+        self.exec_command(f"mv {_shell_quote(tmp_name)} {_shell_quote(remote_path)}")
+
+    def download_sudo(self, remote_path: str, local_path: str, progress_cb=None):
+        """Copy via sudo to /tmp then download via SFTP."""
+        import random
+        tmp_name = f"/tmp/.sm_download_{random.randint(100000, 999999)}"
+        self.exec_command(f"cp {_shell_quote(remote_path)} {_shell_quote(tmp_name)} && chmod 644 {_shell_quote(tmp_name)}")
+        try:
+            if progress_cb:
+                self._sftp.get(tmp_name, local_path, callback=progress_cb)
+            else:
+                self._sftp.get(tmp_name, local_path)
+        finally:
+            self.exec_command(f"rm -f {_shell_quote(tmp_name)}")
+
+
+class _SudoFileAttr:
+    """Mimics paramiko SFTPAttributes for sudo ls output."""
+    def __init__(self, filename: str, st_size: int, st_mtime: int, st_mode: int):
+        self.filename = filename
+        self.st_size = st_size
+        self.st_mtime = st_mtime
+        self.st_mode = st_mode
+
+
+def _parse_ls_perms(perms: str) -> int:
+    """Parse ls -l permission string like 'drwxr-xr-x' into stat mode int."""
+    import stat as stat_mod
+    mode = 0
+    if perms[0] == "d":
+        mode |= stat_mod.S_IFDIR
+    elif perms[0] == "l":
+        mode |= stat_mod.S_IFLNK
+    else:
+        mode |= stat_mod.S_IFREG
+    mapping = "rwxrwxrwx"
+    bits = [stat_mod.S_IRUSR, stat_mod.S_IWUSR, stat_mod.S_IXUSR,
+            stat_mod.S_IRGRP, stat_mod.S_IWGRP, stat_mod.S_IXGRP,
+            stat_mod.S_IROTH, stat_mod.S_IWOTH, stat_mod.S_IXOTH]
+    for i, (ch, bit) in enumerate(zip(perms[1:10], bits)):
+        if ch != "-":
+            mode |= bit
+    return mode
+
 
 def _shell_quote(s: str) -> str:
     return "'" + s.replace("'", "'\\''") + "'"

gui/app.py

@@ -171,8 +171,9 @@ class App(ctk.CTk):
         # Use provided key or default to first tab
         current_key = restore_tab_key or self._tab_keys[0]
 
-        # Disconnect terminal before destroying tabs
+        # Disconnect terminal and SFTP before destroying tabs
         self.terminal_tab._disconnect()
+        self.files_tab._disconnect_sftp()
 
         # Detach tab contents
         self.terminal_tab.pack_forget()
@@ -227,5 +228,6 @@ class App(ctk.CTk):
 
     def _on_close(self):
         self.terminal_tab._disconnect()
+        self.files_tab._disconnect_sftp()
         self.checker.stop()
         self.destroy()

gui/tabs/files_tab.py

@@ -3,10 +3,12 @@ Files tab — dual-pane SFTP file manager.
 """
 
 import os
+import platform
 import stat
+import string
 import threading
 from datetime import datetime
-from tkinter import messagebox
+from tkinter import messagebox, filedialog
 
 import customtkinter as ctk
 
@@ -45,6 +47,16 @@ def _format_perm(mode: int) -> str:
     return "".join(parts)
 
 
+def _get_windows_drives() -> list[str]:
+    """Return list of available drive letters on Windows (e.g. ['C:\\', 'D:\\'])."""
+    drives = []
+    for letter in string.ascii_uppercase:
+        drive = f"{letter}:\\"
+        if os.path.exists(drive):
+            drives.append(drive)
+    return drives
+
+
 class FilesTab(ctk.CTkFrame):
     def __init__(self, master, store):
         super().__init__(master, fg_color="transparent")
@@ -56,6 +68,7 @@ class FilesTab(ctk.CTkFrame):
         self._local_history: list[str] = []
         self._remote_history: list[str] = []
         self._transferring = False
+        self._sudo_var = ctk.BooleanVar(value=False)
 
         self._build_ui()
         self._refresh_local()
@@ -87,6 +100,33 @@ class FilesTab(ctk.CTkFrame):
         )
         self._local_up_btn.pack(side="left", padx=2)
 
+        # Local refresh button
+        self._local_refresh_btn = ctk.CTkButton(
+            left_header, text="\u21BB", width=30, height=28,
+            command=self._refresh_local,
+        )
+        self._local_refresh_btn.pack(side="left", padx=2)
+
+        # Browse button
+        self._browse_btn = ctk.CTkButton(
+            left_header, text=t("browse"), width=60, height=28,
+            command=self._browse_local,
+        )
+        self._browse_btn.pack(side="left", padx=2)
+
+        # Windows drive selector
+        self._drive_menu = None
+        if platform.system() == "Windows":
+            drives = _get_windows_drives()
+            if drives:
+                current_drive = os.path.splitdrive(self._local_path)[0] + "\\"
+                self._drive_var = ctk.StringVar(value=current_drive)
+                self._drive_menu = ctk.CTkOptionMenu(
+                    left_header, values=drives, variable=self._drive_var,
+                    width=65, height=28, command=self._on_drive_change,
+                )
+                self._drive_menu.pack(side="left", padx=2)
+
         self._local_path_entry = ctk.CTkEntry(left_header, height=28)
         self._local_path_entry.pack(side="left", fill="x", expand=True, padx=(4, 0))
         self._local_path_entry.bind("<Return>", lambda e: self._local_go_to_path())
@@ -95,6 +135,7 @@ class FilesTab(ctk.CTkFrame):
             left_pane,
             columns=[(t("name_col"), 220), (t("size_col"), 80), (t("date_col"), 110)],
             on_navigate=self._navigate_local,
+            on_drop=self._on_drop_to_local,
         )
         self._local_list.pack(fill="both", expand=True)
 
@@ -143,6 +184,7 @@ class FilesTab(ctk.CTkFrame):
                 (t("date_col"), 100), (t("perm_col"), 80),
             ],
             on_navigate=self._navigate_remote,
+            on_drop=self._on_drop_to_remote,
         )
         self._remote_list.pack(fill="both", expand=True)
 
@@ -152,6 +194,10 @@ class FilesTab(ctk.CTkFrame):
         )
         self._remote_status.pack(fill="x", pady=(2, 0))
 
+        # Wire drag-and-drop partners
+        self._local_list.set_drag_partner(self._remote_list)
+        self._remote_list.set_drag_partner(self._local_list)
+
         # === Toolbar ===
         toolbar = ctk.CTkFrame(self, fg_color="transparent")
         toolbar.pack(fill="x", padx=10, pady=4)
@@ -190,6 +236,16 @@ class FilesTab(ctk.CTkFrame):
         )
         self._rename_btn.pack(side="left", padx=4)
 
+        # Sudo toggle
+        sep2 = ctk.CTkFrame(toolbar, width=2, height=24, fg_color="gray40")
+        sep2.pack(side="left", padx=8)
+
+        self._sudo_switch = ctk.CTkSwitch(
+            toolbar, text=t("sudo_mode"), variable=self._sudo_var,
+            width=50, height=24, command=self._on_sudo_toggle,
+        )
+        self._sudo_switch.pack(side="left", padx=4)
+
         self._set_remote_buttons_state("disabled")
 
         # === Transfer / Log area ===
@@ -248,6 +304,7 @@ class FilesTab(ctk.CTkFrame):
 
     def _on_sftp_connected(self, sftp: SFTPSession, home: str):
         self._sftp = sftp
+        self._sftp.sudo_mode = self._sudo_var.get()
         self._remote_path = home
         self._remote_history.clear()
         self._remote_status.configure(
@@ -268,11 +325,36 @@ class FilesTab(ctk.CTkFrame):
                 pass
             self._sftp = None
 
+    # ── Browse / Drive ──
+
+    def _browse_local(self):
+        path = filedialog.askdirectory(initialdir=self._local_path)
+        if path:
+            self._local_history.append(self._local_path)
+            self._local_path = os.path.normpath(path)
+            self._refresh_local()
+
+    def _on_drive_change(self, drive: str):
+        self._local_history.append(self._local_path)
+        self._local_path = drive
+        self._refresh_local()
+
+    def _on_sudo_toggle(self):
+        if self._sftp:
+            self._sftp.sudo_mode = self._sudo_var.get()
+            self._refresh_remote()
+
     # ── Local navigation ──
 
     def _refresh_local(self):
         self._local_path_entry.delete(0, "end")
         self._local_path_entry.insert(0, self._local_path)
+
+        # Sync drive selector
+        if self._drive_menu and platform.system() == "Windows":
+            current_drive = os.path.splitdrive(self._local_path)[0] + "\\"
+            self._drive_var.set(current_drive)
+
         try:
             entries = os.listdir(self._local_path)
         except PermissionError:
@@ -344,7 +426,13 @@ class FilesTab(ctk.CTkFrame):
 
         def _do():
             try:
-                attrs = self._sftp.listdir_attr(self._remote_path)
+                if self._sftp.sudo_mode:
+                    try:
+                        attrs = self._sftp.listdir_attr_sudo(self._remote_path)
+                    except Exception:
+                        attrs = self._sftp.listdir_attr(self._remote_path)
+                else:
+                    attrs = self._sftp.listdir_attr(self._remote_path)
                 items = []
                 # Parent dir
                 if self._remote_path != "/":
@@ -361,6 +449,9 @@ class FilesTab(ctk.CTkFrame):
                         "is_dir": is_dir,
                     })
                 self.after(0, lambda: self._populate_remote(items))
+            except PermissionError as e:
+                hint = f"\n{t('try_sudo_hint')}" if not self._sftp.sudo_mode else ""
+                self.after(0, lambda: self._on_sftp_error(str(e) + hint))
             except Exception as e:
                 self.after(0, lambda: self._on_sftp_error(str(e)))
 
@@ -405,99 +496,189 @@ class FilesTab(ctk.CTkFrame):
             self._remote_path = path
             self._refresh_remote()
 
-    # ── File operations ──
+    # ── Remote path helper ──
+
+    def _remote_join(self, name: str) -> str:
+        if self._remote_path == "/":
+            return "/" + name
+        return self._remote_path + "/" + name
+
+    # ── Upload / Download (shared logic) ──
+
+    def _do_upload(self, items: list[dict]):
+        """Upload files and folders from local to remote. Runs in background thread."""
+        if not self._sftp or not self._sftp.connected or self._transferring:
+            return
+        items = [s for s in items if s["name"] != ".."]
+        if not items:
+            return
+
+        self._transferring = True
+        self._upload_btn.configure(state="disabled")
+        self._download_btn.configure(state="disabled")
+
+        def _do():
+            for item in items:
+                name = item["name"]
+                local = os.path.join(self._local_path, name)
+                remote = self._remote_join(name)
+                try:
+                    if item.get("is_dir"):
+                        self.after(0, lambda n=name: self._transfer_label.configure(
+                            text=t("uploading_dir").format(name=n)
+                        ))
+
+                        def _file_cb(cur, total, fname, n=name):
+                            self.after(0, lambda c=cur, tt=total, fn=fname:
+                                       self._transfer_label.configure(
+                                           text=t("transfer_file_progress").format(cur=c, total=tt, name=fn)
+                                       ))
+
+                        def _progress(transferred, total):
+                            if total > 0:
+                                self.after(0, lambda f=transferred/total: self._progress.set(f))
+
+                        self._sftp.upload_dir(local, remote, progress_cb=_progress, file_cb=_file_cb)
+                    else:
+                        file_size = os.path.getsize(local)
+                        self.after(0, lambda n=name: self._transfer_label.configure(
+                            text=t("uploading").format(name=n)
+                        ))
+
+                        def _progress(transferred, total, n=name):
+                            if total > 0:
+                                frac = transferred / total
+                                size_str = f"{_format_size(transferred)}/{_format_size(total)}"
+                                self.after(0, lambda f=frac, s=size_str, nn=n:
+                                           self._update_progress(f, t("uploading").format(name=nn) + f" ({s})"))
+
+                        if self._sftp.sudo_mode:
+                            try:
+                                self._sftp.upload_sudo(local, remote, progress_cb=_progress)
+                            except Exception:
+                                self._sftp.upload(local, remote, progress_cb=_progress)
+                        else:
+                            self._sftp.upload(local, remote, progress_cb=_progress)
+
+                    self.after(0, lambda n=name: self._log_msg(
+                        t("transfer_done").format(name=n)
+                    ))
+                except PermissionError as e:
+                    hint = f" - {t('try_sudo_hint')}" if not self._sftp.sudo_mode else ""
+                    self.after(0, lambda e=e, h=hint: self._log_msg(
+                        t("transfer_failed").format(e=str(e)) + h
+                    ))
+                except Exception as e:
+                    self.after(0, lambda e=e: self._log_msg(
+                        t("transfer_failed").format(e=str(e))
+                    ))
+
+            self.after(0, self._on_transfer_done)
+
+        threading.Thread(target=_do, daemon=True).start()
+
+    def _do_download(self, items: list[dict]):
+        """Download files and folders from remote to local. Runs in background thread."""
+        if not self._sftp or not self._sftp.connected or self._transferring:
+            return
+        items = [s for s in items if s["name"] != ".."]
+        if not items:
+            return
+
+        self._transferring = True
+        self._upload_btn.configure(state="disabled")
+        self._download_btn.configure(state="disabled")
+
+        def _do():
+            for item in items:
+                name = item["name"]
+                remote = self._remote_join(name)
+                local = os.path.join(self._local_path, name)
+                try:
+                    if item.get("is_dir"):
+                        self.after(0, lambda n=name: self._transfer_label.configure(
+                            text=t("downloading_dir").format(name=n)
+                        ))
+                        os.makedirs(local, exist_ok=True)
+
+                        def _file_cb(cur, total, fname, n=name):
+                            self.after(0, lambda c=cur, tt=total, fn=fname:
+                                       self._transfer_label.configure(
+                                           text=t("transfer_file_progress").format(cur=c, total=tt, name=fn)
+                                       ))
+
+                        def _progress(transferred, total):
+                            if total > 0:
+                                self.after(0, lambda f=transferred/total: self._progress.set(f))
+
+                        self._sftp.download_dir(remote, local, progress_cb=_progress, file_cb=_file_cb)
+                    else:
+                        self.after(0, lambda n=name: self._transfer_label.configure(
+                            text=t("downloading").format(name=n)
+                        ))
+
+                        def _progress(transferred, total, n=name):
+                            if total > 0:
+                                frac = transferred / total
+                                size_str = f"{_format_size(transferred)}/{_format_size(total)}"
+                                self.after(0, lambda f=frac, s=size_str, nn=n:
+                                           self._update_progress(f, t("downloading").format(name=nn) + f" ({s})"))
+
+                        if self._sftp.sudo_mode:
+                            try:
+                                self._sftp.download_sudo(remote, local, progress_cb=_progress)
+                            except Exception:
+                                self._sftp.download(remote, local, progress_cb=_progress)
+                        else:
+                            self._sftp.download(remote, local, progress_cb=_progress)
+
+                    self.after(0, lambda n=name: self._log_msg(
+                        t("transfer_done").format(name=n)
+                    ))
+                except PermissionError as e:
+                    hint = f" - {t('try_sudo_hint')}" if not self._sftp.sudo_mode else ""
+                    self.after(0, lambda e=e, h=hint: self._log_msg(
+                        t("transfer_failed").format(e=str(e)) + h
+                    ))
+                except Exception as e:
+                    self.after(0, lambda e=e: self._log_msg(
+                        t("transfer_failed").format(e=str(e))
+                    ))
+
+            self.after(0, self._on_transfer_done)
+
+        threading.Thread(target=_do, daemon=True).start()
+
+    # ── Button handlers ──
 
     def _upload_selected(self):
         if not self._sftp or not self._sftp.connected or self._transferring:
             return
         selected = self._local_list.get_selected()
-        files = [s for s in selected if not s.get("is_dir") and s["name"] != ".."]
-        if not files:
+        items = [s for s in selected if s["name"] != ".."]
+        if not items:
             self._log_msg(t("no_server_selected"))
             return
-
-        self._transferring = True
-        self._upload_btn.configure(state="disabled")
-        self._download_btn.configure(state="disabled")
-
-        def _do():
-            for item in files:
-                name = item["name"]
-                local = os.path.join(self._local_path, name)
-                if self._remote_path == "/":
-                    remote = "/" + name
-                else:
-                    remote = self._remote_path + "/" + name
-                try:
-                    file_size = os.path.getsize(local)
-                    self.after(0, lambda n=name: self._transfer_label.configure(
-                        text=t("uploading").format(name=n)
-                    ))
-
-                    def _progress(transferred, total, n=name):
-                        if total > 0:
-                            frac = transferred / total
-                            size_str = f"{_format_size(transferred)}/{_format_size(total)}"
-                            self.after(0, lambda f=frac, s=size_str, nn=n:
-                                       self._update_progress(f, t("uploading").format(name=nn) + f" ({s})"))
-
-                    self._sftp.upload(local, remote, progress_cb=_progress)
-                    self.after(0, lambda n=name: self._log_msg(
-                        t("transfer_done").format(name=n)
-                    ))
-                except Exception as e:
-                    self.after(0, lambda e=e: self._log_msg(
-                        t("transfer_failed").format(e=str(e))
-                    ))
-
-            self.after(0, self._on_transfer_done)
-
-        threading.Thread(target=_do, daemon=True).start()
+        self._do_upload(items)
 
     def _download_selected(self):
         if not self._sftp or not self._sftp.connected or self._transferring:
             return
         selected = self._remote_list.get_selected()
-        files = [s for s in selected if not s.get("is_dir") and s["name"] != ".."]
-        if not files:
+        items = [s for s in selected if s["name"] != ".."]
+        if not items:
             return
+        self._do_download(items)
 
-        self._transferring = True
-        self._upload_btn.configure(state="disabled")
-        self._download_btn.configure(state="disabled")
+    # ── Drag-and-drop callbacks ──
 
-        def _do():
-            for item in files:
-                name = item["name"]
-                if self._remote_path == "/":
-                    remote = "/" + name
-                else:
-                    remote = self._remote_path + "/" + name
-                local = os.path.join(self._local_path, name)
-                try:
-                    self.after(0, lambda n=name: self._transfer_label.configure(
-                        text=t("downloading").format(name=n)
-                    ))
+    def _on_drop_to_remote(self, items: list[dict], source):
+        """Called when items are dropped onto remote panel (upload)."""
+        self._do_upload(items)
 
-                    def _progress(transferred, total, n=name):
-                        if total > 0:
-                            frac = transferred / total
-                            size_str = f"{_format_size(transferred)}/{_format_size(total)}"
-                            self.after(0, lambda f=frac, s=size_str, nn=n:
-                                       self._update_progress(f, t("downloading").format(name=nn) + f" ({s})"))
-
-                    self._sftp.download(remote, local, progress_cb=_progress)
-                    self.after(0, lambda n=name: self._log_msg(
-                        t("transfer_done").format(name=n)
-                    ))
-                except Exception as e:
-                    self.after(0, lambda e=e: self._log_msg(
-                        t("transfer_failed").format(e=str(e))
-                    ))
-
-            self.after(0, self._on_transfer_done)
-
-        threading.Thread(target=_do, daemon=True).start()
+    def _on_drop_to_local(self, items: list[dict], source):
+        """Called when items are dropped onto local panel (download)."""
+        self._do_download(items)
 
     def _on_transfer_done(self):
         self._transferring = False
@@ -522,10 +703,7 @@ class FilesTab(ctk.CTkFrame):
         if not name or not name.strip():
             return
         name = name.strip()
-        if self._remote_path == "/":
-            path = "/" + name
-        else:
-            path = self._remote_path + "/" + name
+        path = self._remote_join(name)
 
         def _do():
             try:
@@ -543,22 +721,29 @@ class FilesTab(ctk.CTkFrame):
         items = [s for s in selected if s["name"] != ".."]
         if not items:
             return
-        if not messagebox.askyesno(
-            t("delete_files"),
-            t("delete_files_confirm").format(count=len(items)),
-        ):
-            return
+
+        # Check for directories — use recursive delete confirm
+        has_dirs = any(s.get("is_dir") for s in items)
+        if has_dirs and len(items) == 1 and items[0].get("is_dir"):
+            if not messagebox.askyesno(
+                t("delete_files"),
+                t("recursive_delete_confirm").format(name=items[0]["name"]),
+            ):
+                return
+        else:
+            if not messagebox.askyesno(
+                t("delete_files"),
+                t("delete_files_confirm").format(count=len(items)),
+            ):
+                return
 
         def _do():
             for item in items:
                 name = item["name"]
-                if self._remote_path == "/":
-                    path = "/" + name
-                else:
-                    path = self._remote_path + "/" + name
+                path = self._remote_join(name)
                 try:
                     if item.get("is_dir"):
-                        self._sftp.rmdir(path)
+                        self._sftp.rmdir_recursive(path)
                     else:
                         self._sftp.remove(path)
                 except Exception as e:
@@ -583,12 +768,8 @@ class FilesTab(ctk.CTkFrame):
         if not new_name or not new_name.strip() or new_name.strip() == old_name:
             return
         new_name = new_name.strip()
-        if self._remote_path == "/":
-            old_path = "/" + old_name
-            new_path = "/" + new_name
-        else:
-            old_path = self._remote_path + "/" + old_name
-            new_path = self._remote_path + "/" + new_name
+        old_path = self._remote_join(old_name)
+        new_path = self._remote_join(new_name)
 
         def _do():
             try:

gui/widgets/file_list.py

@@ -49,17 +49,23 @@ def _apply_dark_theme():
 
 
 class FileListWidget(ctk.CTkFrame):
-    """File list with columns, sorting, multi-selection."""
+    """File list with columns, sorting, multi-selection, drag-and-drop."""
 
     def __init__(self, master, columns: list[tuple[str, int]],
-                 on_navigate=None, on_select=None):
+                 on_navigate=None, on_select=None, on_drop=None):
         super().__init__(master, fg_color="#1e1e1e", corner_radius=6)
 
         self._on_navigate = on_navigate
         self._on_select = on_select
+        self._on_drop = on_drop
         self._items: list[dict] = []
         self._sort_col = None
         self._sort_reverse = False
+        self._drag_partner: "FileListWidget | None" = None
+        self._drag_start_x = 0
+        self._drag_start_y = 0
+        self._dragging = False
+        self._orig_fg_color = "#1e1e1e"
 
         _apply_dark_theme()
 
@@ -91,6 +97,11 @@ class FileListWidget(ctk.CTkFrame):
         self._tree.bind("<<TreeviewSelect>>", self._on_tree_select)
         self._tree.bind("<Return>", self._on_enter)
 
+        # Drag-and-drop bindings
+        self._tree.bind("<ButtonPress-1>", self._on_drag_start, add="+")
+        self._tree.bind("<B1-Motion>", self._on_drag_motion)
+        self._tree.bind("<ButtonRelease-1>", self._on_drag_release, add="+")
+
     def populate(self, items: list[dict]):
         """Fill list with items. Each item: {name, size, date, perm, is_dir}."""
         self._items = items
@@ -168,3 +179,46 @@ class FileListWidget(ctk.CTkFrame):
 
         self._items = dirs + files
         self.populate(self._items)
+
+    # ── Drag-and-drop ──
+
+    def set_drag_partner(self, partner: "FileListWidget"):
+        """Link two panels for drag-and-drop."""
+        self._drag_partner = partner
+
+    def _on_drag_start(self, event):
+        self._drag_start_x = event.x_root
+        self._drag_start_y = event.y_root
+        self._dragging = False
+
+    def _on_drag_motion(self, event):
+        if not self._drag_partner:
+            return
+        dx = abs(event.x_root - self._drag_start_x)
+        dy = abs(event.y_root - self._drag_start_y)
+        if not self._dragging and (dx > 10 or dy > 10):
+            sel = self.get_selected()
+            if sel and any(s["name"] != ".." for s in sel):
+                self._dragging = True
+                self._tree.configure(cursor="hand2")
+                self._drag_partner.configure(fg_color="#1e3a5f")
+
+    def _on_drag_release(self, event):
+        if not self._dragging or not self._drag_partner:
+            self._dragging = False
+            return
+        self._dragging = False
+        self._tree.configure(cursor="")
+        self._drag_partner.configure(fg_color=self._orig_fg_color)
+
+        # Check if mouse is over partner widget
+        px = self._drag_partner.winfo_rootx()
+        py = self._drag_partner.winfo_rooty()
+        pw = self._drag_partner.winfo_width()
+        ph = self._drag_partner.winfo_height()
+        mx, my = event.x_root, event.y_root
+
+        if px <= mx <= px + pw and py <= my <= py + ph:
+            items = [s for s in self.get_selected() if s["name"] != ".."]
+            if items and self._drag_partner._on_drop:
+                self._drag_partner._on_drop(items, self)

version.py

@@ -1,6 +1,6 @@
 """Version info for ServerManager."""
 
-__version__ = "1.7.0"
+__version__ = "1.8.0"
 __app_name__ = "ServerManager"
 __author__ = "aibot777"
 __description__ = "Desktop GUI for managing remote servers"