b0b7d263fb
- Ctrl+wheel/Ctrl±/Ctrl+0 font zoom (6-28), persisted in settings.json - Font fallback: Cascadia Mono → Consolas → Courier New (per platform) - Visual "Copied!" flash in status bar on copy - Closes audit items #27 (copy feedback) and #29 (font fallback) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
153 lines
5.2 KiB
Python
153 lines
5.2 KiB
Python
"""
|
|
Terminal tab — persistent interactive SSH shell via ShellSession + TerminalWidget.
|
|
"""
|
|
|
|
import queue
|
|
import threading
|
|
import time
|
|
import customtkinter as ctk
|
|
from core.ssh_client import ShellSession
|
|
from core.i18n import t
|
|
|
|
|
|
class TerminalTab(ctk.CTkFrame):
|
|
def __init__(self, master, store):
|
|
super().__init__(master, fg_color="transparent")
|
|
self.store = store
|
|
self._current_alias: str | None = None
|
|
self._session: ShellSession | None = None
|
|
self._reconnect_count = 0
|
|
self._max_reconnect = 3
|
|
self._intentional_disconnect = False
|
|
|
|
# Import here to avoid circular issues
|
|
from gui.widgets.terminal_widget import TerminalWidget
|
|
|
|
self._terminal = TerminalWidget(
|
|
self,
|
|
send_callback=self._send_to_shell,
|
|
resize_callback=self._on_resize,
|
|
font_size=store.get_terminal_font_size(),
|
|
on_font_size_changed=self._on_font_size_changed,
|
|
)
|
|
self._terminal.pack(fill="both", expand=True, padx=5, pady=5)
|
|
self._terminal.set_status(t("term_disconnected"), "#888888")
|
|
|
|
# Thread-safe data queue
|
|
self._data_queue: queue.Queue[bytes] = queue.Queue()
|
|
|
|
def set_server(self, alias: str | None):
|
|
if alias == self._current_alias:
|
|
return
|
|
self._disconnect()
|
|
self._current_alias = alias
|
|
if alias:
|
|
self._connect()
|
|
else:
|
|
self._terminal.reset()
|
|
self._terminal.set_status(t("term_disconnected"), "#888888")
|
|
|
|
def _connect(self):
|
|
if not self._current_alias:
|
|
return
|
|
server = self.store.get_server(self._current_alias)
|
|
if not server:
|
|
self._terminal.set_status(
|
|
t("server_not_found").format(alias=self._current_alias), "#ff4444"
|
|
)
|
|
return
|
|
|
|
alias = self._current_alias
|
|
self._terminal.set_status(t("term_connecting").format(alias=alias), "#ccaa00")
|
|
self._terminal.reset()
|
|
self._intentional_disconnect = False
|
|
|
|
def _do_connect():
|
|
try:
|
|
key_path = self.store.get_ssh_key_path()
|
|
cols, rows = self._terminal.get_size()
|
|
session = ShellSession(server, key_path, cols=cols, rows=rows)
|
|
session.on_data = self._on_data_received
|
|
session.on_disconnect = self._on_disconnected
|
|
session.connect()
|
|
|
|
# Set session on main thread to avoid races
|
|
def _set_session():
|
|
self._session = session
|
|
self._reconnect_count = 0
|
|
self._terminal.set_status(
|
|
t("term_connected").format(alias=alias), "#44cc44"
|
|
)
|
|
self._terminal.focus_terminal()
|
|
self.after(0, _set_session)
|
|
except Exception as e:
|
|
self.after(0, lambda: self._terminal.set_status(
|
|
t("term_connect_failed").format(error=str(e)), "#ff4444"
|
|
))
|
|
|
|
threading.Thread(target=_do_connect, daemon=True).start()
|
|
|
|
def _disconnect(self):
|
|
self._intentional_disconnect = True
|
|
session = self._session
|
|
self._session = None
|
|
if session:
|
|
session.disconnect()
|
|
|
|
def _on_data_received(self, data: bytes):
|
|
"""Called from SSH thread — put data in thread-safe queue."""
|
|
self._data_queue.put(data)
|
|
self.after(0, self._flush_data_queue)
|
|
|
|
def _flush_data_queue(self):
|
|
"""Called on main thread — drain queue and feed terminal."""
|
|
chunks = []
|
|
try:
|
|
while True:
|
|
chunks.append(self._data_queue.get_nowait())
|
|
except queue.Empty:
|
|
pass
|
|
if chunks:
|
|
self._terminal.feed(b"".join(chunks))
|
|
|
|
def _on_disconnected(self):
|
|
"""Called from SSH read thread."""
|
|
def _handle():
|
|
if self._intentional_disconnect:
|
|
self._terminal.set_status(t("term_disconnected"), "#888888")
|
|
return
|
|
|
|
self._session = None
|
|
|
|
if self._reconnect_count < self._max_reconnect:
|
|
self._reconnect_count += 1
|
|
n = self._reconnect_count
|
|
mx = self._max_reconnect
|
|
self._terminal.set_status(
|
|
t("term_reconnecting").format(n=n, max=mx), "#ccaa00"
|
|
)
|
|
|
|
def _retry():
|
|
time.sleep(1)
|
|
if not self._intentional_disconnect and self._current_alias:
|
|
self.after(0, self._connect)
|
|
|
|
threading.Thread(target=_retry, daemon=True).start()
|
|
else:
|
|
self._terminal.set_status(t("term_reconnect_fail"), "#ff4444")
|
|
|
|
self.after(0, _handle)
|
|
|
|
def _send_to_shell(self, data: bytes):
|
|
session = self._session # local ref for thread safety
|
|
if session and session.connected:
|
|
session.send(data)
|
|
|
|
def _on_resize(self, cols: int, rows: int):
|
|
session = self._session # local ref for thread safety
|
|
if session and session.connected:
|
|
session.resize(cols, rows)
|
|
|
|
def _on_font_size_changed(self, size: int):
|
|
self.store.set_terminal_font_size(size)
|