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v1.8.12: fix Ctrl+Z undo — manual implementation for tk.Entry

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tk.Entry has no built-in undo (unlike tk.Text), so _entry.config(undo=True)
crashed. Replaced with custom entry_undo.py that tracks history manually
and binds Ctrl+Z/Ctrl+Y (+ Russian layout support).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
chrome-storm-c442
2026-02-24 05:28:56 -05:00
parent 0554d8782f
commit afffc4177e
6 changed files with 70 additions and 23 deletions
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22
gui/server_dialog.py
View File

@@ -5,6 +5,7 @@ Server add/edit dialog — modal window with all server fields.
import customtkinter as ctk
from core.server_store import SERVER_TYPES, DEFAULT_PORTS
from core.i18n import t
from gui.widgets.entry_undo import enable_undo
def _get_network_interfaces() -> list[tuple[str, str]]:
@@ -47,15 +48,13 @@ class ServerDialog(ctk.CTkToplevel):
ctk.CTkLabel(self, text=t("alias"), anchor="w").pack(fill="x", **pad)
self.alias_entry = ctk.CTkEntry(self, placeholder_text=t("placeholder_alias"))
self.alias_entry.pack(fill="x", **entry_pad)
# Enable undo functionality
self.alias_entry._entry.config(undo=True)
enable_undo(self.alias_entry)
# IP
ctk.CTkLabel(self, text=t("ip"), anchor="w").pack(fill="x", **pad)
self.ip_entry = ctk.CTkEntry(self, placeholder_text=t("placeholder_ip"))
self.ip_entry.pack(fill="x", **entry_pad)
# Enable undo functionality
self.ip_entry._entry.config(undo=True)
enable_undo(self.ip_entry)
# Type + Port row
row = ctk.CTkFrame(self, fg_color="transparent")
@@ -76,8 +75,7 @@ class ServerDialog(ctk.CTkToplevel):
ctk.CTkLabel(port_frame, text=t("port"), anchor="w").pack(fill="x")
self.port_entry = ctk.CTkEntry(port_frame, placeholder_text=t("placeholder_port"))
self.port_entry.pack(fill="x")
# Enable undo functionality
self.port_entry._entry.config(undo=True)
enable_undo(self.port_entry)
# Network interface
ctk.CTkLabel(self, text=t("network_interface"), anchor="w").pack(fill="x", **pad)
@@ -97,8 +95,7 @@ class ServerDialog(ctk.CTkToplevel):
ctk.CTkLabel(self, text=t("username"), anchor="w").pack(fill="x", **pad)
self.user_entry = ctk.CTkEntry(self, placeholder_text=t("placeholder_user"))
self.user_entry.pack(fill="x", **entry_pad)
# Enable undo functionality
self.user_entry._entry.config(undo=True)
enable_undo(self.user_entry)
# Password
ctk.CTkLabel(self, text=t("password"), anchor="w").pack(fill="x", **pad)
@@ -106,8 +103,7 @@ class ServerDialog(ctk.CTkToplevel):
pass_frame.pack(fill="x", padx=20, pady=(2, 5))
self.password_entry = ctk.CTkEntry(pass_frame, show="*", placeholder_text=t("placeholder_password"))
self.password_entry.pack(side="left", fill="x", expand=True, padx=(0, 5))
# Enable undo functionality
self.password_entry._entry.config(undo=True)
enable_undo(self.password_entry)
self.show_pass = ctk.CTkButton(pass_frame, text=t("show"), width=60, command=self._toggle_password)
self.show_pass.pack(side="right")
self._pass_visible = False
@@ -117,8 +113,7 @@ class ServerDialog(ctk.CTkToplevel):
self.totp_entry = ctk.CTkEntry(self, placeholder_text=t("placeholder_totp_secret"),
font=ctk.CTkFont(family="Consolas", size=12))
self.totp_entry.pack(fill="x", **entry_pad)
# Enable undo functionality
self.totp_entry._entry.config(undo=True)
enable_undo(self.totp_entry)
# Skip status checks
self.skip_check_var = ctk.BooleanVar(value=False)
@@ -131,8 +126,7 @@ class ServerDialog(ctk.CTkToplevel):
ctk.CTkLabel(self, text=t("notes"), anchor="w").pack(fill="x", **pad)
self.notes_entry = ctk.CTkEntry(self, placeholder_text=t("placeholder_notes"))
self.notes_entry.pack(fill="x", **entry_pad)
# Enable undo functionality
self.notes_entry._entry.config(undo=True)
enable_undo(self.notes_entry)
# Buttons
btn_frame = ctk.CTkFrame(self, fg_color="transparent")

4
gui/sidebar.py
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@@ -5,6 +5,7 @@ Sidebar — server list with search, add/edit/delete buttons.
import customtkinter as ctk
from core.i18n import t
from gui.widgets.status_badge import StatusBadge
from gui.widgets.entry_undo import enable_undo
class Sidebar(ctk.CTkFrame):
@@ -29,8 +30,7 @@ class Sidebar(ctk.CTkFrame):
self.search_var.trace_add("write", lambda *_: self._refresh_list())
self.search_entry = ctk.CTkEntry(self, placeholder_text=t("search"), textvariable=self.search_var)
self.search_entry.pack(fill="x", padx=10, pady=(5, 10))
# Enable undo functionality
self.search_entry._entry.config(undo=True)
enable_undo(self.search_entry)
# Server list
self.list_frame = ctk.CTkScrollableFrame(self, fg_color="transparent")

7
gui/tabs/files_tab.py
View File

@@ -13,6 +13,7 @@ from tkinter import messagebox, filedialog
import customtkinter as ctk
from core.i18n import t
from gui.widgets.entry_undo import enable_undo
from core.ssh_client import SFTPSession
from gui.widgets.file_list import FileListWidget
@@ -131,8 +132,7 @@ class FilesTab(ctk.CTkFrame):
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())
# Enable undo functionality
self._local_path_entry._entry.config(undo=True)
enable_undo(self._local_path_entry)
self._local_list = FileListWidget(
left_pane,
@@ -179,8 +179,7 @@ class FilesTab(ctk.CTkFrame):
self._remote_path_entry = ctk.CTkEntry(right_header, height=28)
self._remote_path_entry.pack(side="left", fill="x", expand=True, padx=(4, 0))
self._remote_path_entry.bind("<Return>", lambda e: self._remote_go_to_path())
# Enable undo functionality
self._remote_path_entry._entry.config(undo=True)
enable_undo(self._remote_path_entry)
self._remote_list = FileListWidget(
right_pane,

4
gui/tabs/totp_tab.py
View File

@@ -6,6 +6,7 @@ Live countdown, one-click copy, per-server secrets.
import threading
import customtkinter as ctk
from core.i18n import t
from gui.widgets.entry_undo import enable_undo
class TOTPTab(ctk.CTkFrame):
@@ -106,8 +107,7 @@ class TOTPTab(ctk.CTkFrame):
font=ctk.CTkFont(family="Consolas", size=12)
)
self.secret_entry.pack(side="left", fill="x", expand=True, padx=(0, 5))
# Enable undo functionality
self.secret_entry._entry.config(undo=True)
enable_undo(self.secret_entry)
self.show_secret_btn = ctk.CTkButton(
entry_row, text=t("show"), width=70,

54
gui/widgets/entry_undo.py Normal file
View File

@@ -0,0 +1,54 @@
"""
Ctrl+Z / Ctrl+Y undo/redo for CTkEntry widgets.
tk.Entry has no built-in undo, so we track history manually.
"""
def enable_undo(ctk_entry):
"""Add Ctrl+Z undo and Ctrl+Y redo to a CTkEntry widget."""
entry = ctk_entry._entry
history = [entry.get()]
redo_stack = []
_recording = [True]
def _snapshot(*_args):
if not _recording[0]:
return
val = entry.get()
if not history or history[-1] != val:
history.append(val)
redo_stack.clear()
# Cap history size
if len(history) > 200:
del history[:100]
def _undo(event):
if len(history) > 1:
redo_stack.append(history.pop())
_recording[0] = False
entry.delete(0, "end")
entry.insert(0, history[-1])
_recording[0] = True
elif history:
redo_stack.append(history.pop())
_recording[0] = False
entry.delete(0, "end")
_recording[0] = True
return "break"
def _redo(event):
if redo_stack:
val = redo_stack.pop()
history.append(val)
_recording[0] = False
entry.delete(0, "end")
entry.insert(0, val)
_recording[0] = True
return "break"
entry.bind("<KeyRelease>", _snapshot, add="+")
entry.bind("<Control-z>", _undo)
entry.bind("<Control-y>", _redo)
# Support Russian keyboard layout (Cyrillic keycodes)
entry.bind("<Control-\u044f>", _undo) # Ctrl+Я (z position on Russian layout)
entry.bind("<Control-\u043d>", _redo) # Ctrl+Н (y position on Russian layout)

2
version.py
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@@ -1,6 +1,6 @@
"""Version info for ServerManager."""
__version__ = "1.8.11"
__version__ = "1.8.12"
__app_name__ = "ServerManager"
__author__ = "aibot777"
__description__ = "Desktop GUI for managing remote servers"