Files
2026-07-12 18:56:10 +05:45

396 lines
12 KiB
Python

from collections.abc import Iterator
from fabric.utils import Gdk, exec_shell_command_async, idle_add, remove_handler
from fabric.widgets.box import Box
from fabric.widgets.button import Button
from fabric.widgets.label import Label
from modules.launcher.base import LauncherPlugin
from services import TmuxService
from utils.functions import terminal_exec_command
class TmuxPlugin(LauncherPlugin):
@property
def name(self) -> str:
return "tmux"
@property
def icon(self) -> str:
return "terminal-symbolic"
@property
def keywords(self) -> list[str]:
return ["tmux"]
def __init__(self, handler):
super().__init__(handler)
self._query_handler: int = 0
self.current_slots: list = []
self.tmux_service = TmuxService()
self.sessions: list = []
self.terminal = "kitty"
def on_search(self, text: str) -> None:
self.query_tmux(text)
def stop(self):
if self._query_handler:
remove_handler(self._query_handler)
self._query_handler = 0
self.current_slots.clear()
def query_tmux(self, text: str) -> None:
self.handler.start("tmux")
self.current_slots.clear()
text_stripped = text.strip()
commands = {
"new": self._handle_new_command,
"kill": self._handle_kill_command,
"rename": self._handle_rename_command,
"terminal": self._handle_terminal_command,
"help": lambda t: self._show_command_help(),
}
for prefix, handler in commands.items():
if text_stripped.startswith(prefix):
handler(text)
return
self._load_and_display_sessions(text)
def _load_and_display_sessions(self, text: str) -> None:
result = self.tmux_service.list_sessions()
if not result["success"]:
self._show_error_message(f"Failed to load sessions: {result['error']}")
return
self.sessions = result["data"]
if not self.sessions:
self._show_no_sessions()
return
filtered_sessions = self._filter_sessions(text)
if not filtered_sessions:
self._show_no_results()
return
self._query_handler = idle_add(
self._bake_next_session_slot, iter(filtered_sessions), pin=True
)
def _filter_sessions(self, text: str) -> Iterator[dict]:
if not text.strip():
return iter(self.sessions)
text_lower = text.lower()
return iter(
session
for session in self.sessions
if text_lower in session.get("name", "").lower()
)
def _show_no_sessions(self) -> None:
self.handler.slot_ready(
Button(
style_classes="app-slot tmux-no-sessions",
child=Box(
orientation="h",
spacing=12,
children=[
Label(
label="No active tmux sessions",
style_classes="tmux-no-sessions-text",
h_align="center",
),
],
),
tooltip_text="Use 'new session_name' to create a session",
),
"tmux",
)
self.handler.done()
def _show_no_results(self) -> None:
self.handler.slot_ready(
Button(
style_classes="app-slot tmux-no-results",
child=Box(
orientation="h",
spacing=12,
children=[
Label(
label="No sessions match your search",
style_classes="tmux-no-results-text",
h_align="center",
),
],
),
),
"tmux",
)
self.handler.done()
def _bake_next_session_slot(self, iterator: Iterator[dict]) -> bool:
try:
session = next(iterator)
except StopIteration:
idle_add(self.handler.done)
return False
self._create_session_slot(session)
return True
def _create_session_slot(self, session: dict) -> None:
session_name = session.get("name", "")
windows = session.get("windows", 0)
created = session.get("created", "")
attached = session.get("attached", False)
status_icon = "●" if attached else "○"
status_color = "attached" if attached else "detached"
name_label = Label(
label=f"{status_icon} {session_name}",
style_classes=f"tmux-session-name tmux-{status_color}",
h_align="start",
max_chars_width=25,
ellipsization="end",
)
info_label = Label(
label=f"{windows} windows • Created: {created}",
style_classes="tmux-session-info",
h_align="start",
max_chars_width=40,
ellipsization="end",
)
slot_widget = Button(
style_classes=f"app-slot tmux-slot tmux-{status_color}",
child=Box(
orientation="v",
spacing=4,
children=[
name_label,
info_label,
],
),
tooltip_text=f"Click to attach\nShift+Enter to kill session\nAlt+Enter to rename session\nAttached: {'Yes' if attached else 'No'}",
on_clicked=lambda *_: self._attach_session(session_name),
)
slot_widget.connect(
"key-press-event",
lambda widget, event, s_name=session_name: self._on_slot_key_press(
widget, event, s_name
),
)
slot_info = {
"widget": slot_widget,
"name_label": name_label,
"info_label": info_label,
"session_name": session_name,
"session": session,
}
self.current_slots.append(slot_info)
self.handler.slot_ready(slot_widget, "tmux")
def _attach_session(self, session_name: str) -> None:
cmd = f"tmux attach -t {session_name}"
term_cmd = terminal_exec_command(self.terminal, cmd)
exec_shell_command_async(term_cmd)
self.handler.launched()
def _kill_session(self, session_name: str) -> None:
result = self.tmux_service.kill_session(session_name)
if not result["success"]:
self._show_error_message(f"Failed to kill session: {result['error']}")
return
self._refresh_session_list()
def _on_slot_key_press(self, widget, event, session_name: str) -> bool:
if not event:
return False
# Shift+Enter: Kill session
if (
event.keyval == Gdk.KEY_Return or event.keyval == Gdk.KEY_KP_Enter
) and event.state & Gdk.ModifierType.SHIFT_MASK:
return self._kill_session(session_name) or True
# Alt+Enter: Rename session (pre-fill input)
if (
event.keyval == Gdk.KEY_Return or event.keyval == Gdk.KEY_KP_Enter
) and event.state & Gdk.ModifierType.MOD1_MASK:
# This would require updating the input field, which we can't easily do directly from here
# without a callback or reference to the entry.
# For now, we can just show a message or handle it if we add that capability.
pass
return False
def _handle_new_command(self, text: str) -> None:
if not text.strip().endswith(";"):
self._show_error_message(
"New session command must end with ';'\n\nUsage: new session_name;"
)
return
command_text = text.strip()[:-1]
parts = command_text.split()
if len(parts) < 2:
self._show_command_help("new")
return
session_name = parts[1]
result = self.tmux_service.new_session(session_name)
if not result["success"]:
self._show_error_message(f"Error creating session: {result['error']}")
return
if hasattr(self.handler, "clear_input"):
self.handler.clear_input()
self._refresh_session_list()
# Optionally attach immediately
self._attach_session(session_name)
def _handle_kill_command(self, text: str) -> None:
if text.strip() == "kill":
self._load_and_display_sessions("")
return
if not text.strip().endswith(";"):
self._show_error_message(
"Kill command must end with ';'\n\nUsage: kill session_name;"
)
return
command_text = text.strip()[:-1]
parts = command_text.split()
if len(parts) < 2:
self._show_command_help("kill")
return
session_name = parts[1]
self._kill_session(session_name)
def _handle_rename_command(self, text: str) -> None:
if text.strip() == "rename":
self._load_and_display_sessions("")
return
if not text.strip().endswith(";"):
self._show_error_message(
"Rename command must end with ';'\n\nUsage: rename old_name new_name;"
)
return
command_text = text.strip()[:-1]
parts = command_text.split()
if len(parts) < 3:
self._show_command_help("rename")
return
old_name = parts[1]
new_name = parts[2]
result = self.tmux_service.rename_session(old_name, new_name)
if not result["success"]:
self._show_error_message(f"Error renaming session: {result['error']}")
return
if hasattr(self.handler, "clear_input"):
self.handler.clear_input()
self._refresh_session_list()
def _handle_terminal_command(self, text: str) -> None:
parts = text.strip().split()
if len(parts) < 2:
self._show_command_help("terminal")
return
self.terminal = parts[1]
self._refresh_session_list()
def _show_command_help(self, command: str = None) -> None:
help_texts = {
"new": "Usage: new session_name;\nExample: new dev;",
"kill": "Usage: kill session_name;\nExample: kill dev;",
"rename": "Usage: rename old_name new_name;\nExample: rename dev work;",
"terminal": "Usage: terminal terminal_name\nExample: terminal kitty",
}
help_text = help_texts.get(
command,
"""Available commands:
• new session_name; - Create new session
• kill session_name; - Kill session
• rename old_name new_name; - Rename session
• terminal terminal_name - Set terminal emulator
• help - Show this help
Note: Commands with arguments must end with semicolon (;)
Click to attach, Shift+Enter to kill""",
)
self.handler.slot_ready(
Button(
style_classes="app-slot tmux-help",
child=Box(
orientation="h",
spacing=12,
children=[
Label(
label=help_text,
style_classes="tmux-help-text",
h_align="center",
),
],
),
),
"tmux",
)
self.handler.done()
def _show_error_message(self, message: str) -> None:
self.handler.slot_ready(
Button(
style_classes="app-slot tmux-error",
child=Box(
orientation="h",
spacing=12,
children=[
Label(
label=message,
style_classes="tmux-error-text",
h_align="center",
),
],
),
on_clicked=lambda *_: self.handler.launched(),
),
"tmux",
)
self.handler.done()
def _refresh_session_list(self) -> None:
self.current_slots.clear()
if hasattr(self.handler, "clear_viewport"):
self.handler.clear_viewport()
idle_add(self._show_session_list)
def _show_session_list(self) -> None:
self.handler.start("tmux")
self._load_and_display_sessions("")
def handle_external(self, command: str, args: str) -> None:
# Map external commands if needed
pass