[+] update vim, python3 plugin

1. handle escape character;
  2. handle items filtering
    based on entered letters;
  3. redraw UI when the filter
    changes;
  4. TODO
    handle selection changes via arrows, hjkl;
  5. TODO
    handle selection after Enter has been pressed;

dotfiles/.vim/online_fxreader_pr34_vim/beta.py

@@ -25,12 +25,14 @@ logger = logging.getLogger(__name__)
 
 MODULE_NAME = 'online_fxreader_pr34_vim'
 
+
 def future_dump_exception(future: Any) -> None:
 	try:
 		future.result()
 	except:
 		logger.exception('')
 
+
 class FastSelect:
 	_instance: ClassVar[Optional['FastSelect']] = None
 
@@ -45,10 +47,14 @@ class FastSelect:
 		self._buffer_last_used: dict[int, int] = dict()
 
 		self._filter_pattern: Optional[str] = None
+		self._items: Optional[list[tuple[str, int]]] = None
+		self._filtered_ids: Optional[set[int]] = None
 
 		self._queue: collections.deque[Callable[[], None]] = collections.deque()
 		self._lock = threading.Lock()
 
+		self.popup_id: Optional[int] = None
+
 		self.thread.start()
 		self._option_id: asyncio.Future[Optional[int]] = None
 		self._options: list[str] = None
@@ -59,24 +65,25 @@ class FastSelect:
 			'close',
 		).capitalize()
 
-		vim.command(r'''
+		vim.command(r"""
 			func! UIThread(timer_id)
 				python3 online_fxreader_pr34_vim.beta.FastSelect.singleton().ui_thread()
 			endfunc
-		''')
+		""")
-		Vim.run_command(r'''
+		Vim.run_command(r"""
 			call timer_start(100, 'UIThread', {'repeat': -1})
-		''')
+		""")
-		Vim.run_command(r'''
+		Vim.run_command(
+			r"""
 augroup {auto_group}
   autocmd!
   autocmd VimLeavePre * python3 online_fxreader_pr34_vim.beta.FastSelect.singleton().close()
   autocmd BufEnter * python3 online_fxreader_pr34_vim.beta.FastSelect.singleton().on_buf_enter()
 augroup END
-		'''.format(
+		""".format(
 				auto_group=auto_group,
-		))
+			)
-
+		)
 
 	def __del__(self) -> None:
 		self.close()
@@ -96,28 +103,21 @@ augroup END
 		return cls._instance
 
 	def pick_option_put_id(self, option_id: int) -> None:
-		self.loop.call_soon_threadsafe(
+		self.loop.call_soon_threadsafe(lambda: self._option_id.set_result(option_id))
-			lambda: self._option_id.set_result(option_id)
-		)
 
 	async def _switch_buffer(self) -> None:
 		buffers_future: asyncio.Future[list[tuple[str, int]]] = asyncio.Future()
 
 		def get_buffers() -> list[tuple[str, int]]:
-			res = [
+			res = [(o.name, o.number) for o in vim.buffers]
-				(o.name, o.number)
-				for o in vim.buffers
-			]
 
 			res_sorted = sorted(
 				res,
 				# key=lambda x:  -self._buffer_frequency.get(x[1], 0)
-				key=lambda x:  -self._buffer_last_used.get(x[1], 0)
+				key=lambda x: -self._buffer_last_used.get(x[1], 0),
 			)
 
-			self.loop.call_soon_threadsafe(
+			self.loop.call_soon_threadsafe(lambda: buffers_future.set_result(res_sorted))
-				lambda: buffers_future.set_result(res_sorted)
-			)
 
 		with self._lock:
 			self._queue.append(get_buffers)
@@ -126,8 +126,13 @@ augroup END
 
 		logger.info(dict(buffers=buffers[:3]))
 
+		self._items = buffers
+
+		with self._lock:
+			self._set_filter_pattern('')
+
 		selected_id = await self._pick_option_from_popup(
-			[o[0] for o in buffers]
+			# [o[0] for o in buffers]
 		)
 
 		logger.info(dict(selected_id=selected_id))
@@ -146,25 +151,22 @@ augroup END
 
 	def switch_buffer(self) -> None:
 		logger.info(dict(msg='before switch_buffer started'))
-		result = asyncio.run_coroutine_threadsafe(
+		result = asyncio.run_coroutine_threadsafe(self._switch_buffer(), self.loop)
-			self._switch_buffer(),
-			self.loop
-		)
 
 		result.add_done_callback(future_dump_exception)
 
 		logger.info(dict(msg='after switch_buffer started'))
 
-
 	async def _pick_option_from_popup(
 		self,
-		options: list[str],
+		# options: list[str],
 	) -> Optional[int]:
 		logger.info(dict(msg='started'))
 
 		self._filter_pattern = ''
+		self._popup_id = None
 
-		self._options = options
+		# self._options = options
 
 		self._option_id = asyncio.Future[int]()
 
@@ -192,7 +194,7 @@ augroup END
 			#'''.format(datetime.datetime.now().isoformat()))
 
 			while len(self._queue) > 0:
-				cmd = self._queue.pop();
+				cmd = self._queue.pop()
 				logger.warning(dict(msg='start command', cmd=inspect.getsource(cmd)))
 				try:
 					cmd()
@@ -208,7 +210,7 @@ augroup END
 				buf_number=vim.current.buffer.number,
 				buf_name=pathlib.Path(vim.current.buffer.name),
 			),
-			self.loop
+			self.loop,
 		)
 
 		result.add_done_callback(future_dump_exception)
@@ -216,6 +218,18 @@ augroup END
 	def on_filter_key(self, key: str) -> None:
 		logger.info(dict(msg='got key', key=key))
 
+		if key == bytes([27]):
+			logger.info(dict(msg='closing popup'))
+
+			vim.Function('popup_close')(self._popup_id)
+			return 1
+
+		if key == b'\x80kb':
+			logger.info(dict(msg='backspace'))
+
+			with self._lock:
+				self._set_filter_pattern(self._filter_pattern[:-1])
+		else:
 			try:
 				key_str = key.decode('utf-8')
 			except:
@@ -223,12 +237,31 @@ augroup END
 
 			if not key_str.isprintable():
 				return 0
+			else:
 
 				with self._lock:
-			self._filter_pattern += key_str
+					self._set_filter_pattern(self._filter_pattern + key_str)
+
+		self._update_popup()
 
 		return 1
 
+	def _set_filter_pattern(self, filter_pattern: str) -> None:
+		self._filter_pattern = filter_pattern
+
+		pattern = re.compile(self._filter_pattern)
+
+		self._filtered_ids = [i for i, o in enumerate(self._items) if not pattern.search(o[0]) is None]
+
+		self._options = [self._items[o][0] for o in self._filtered_ids]
+
+	def _update_popup(self) -> None:
+		vim.Function('popup_settext')(
+			self._popup_id,
+			self._options,
+		)
+		vim.Function('popup_setoptions')(self._popup_id, {'title': 'Select a file, [%s]' % self._filter_pattern})
+
 	async def _on_buf_enter(
 		self,
 		buf_number: int,
@@ -246,12 +279,14 @@ augroup END
 
 			self._buffer_last_used[buf_number] = datetime.datetime.now().timestamp()
 
-			logger.info(dict(
+			logger.info(
+				dict(
 					msg='updated',
 					buf_path=str(buf_name),
 					frequency=self._buffer_frequency[buf_number],
 					buf_number=buf_number,
-			))
+				)
+			)
 
 	async def _pick_option_start_popup(
 		self,
@@ -271,7 +306,8 @@ augroup END
 		if int(vim.eval('exists("{}")'.format(callback_name))) == 1:
 			logger.warning(dict(msg='callback already defined, %s' % callback_name))
 
-		vim.command(r"""
+		vim.command(
+			r"""
 			function! {callback_name}(id, result)
 				if a:result > 0
 					call py3eval('online_fxreader_pr34_vim.beta.FastSelect.singleton().pick_option_put_id(' . (a:result  - 1). ')')
@@ -281,23 +317,26 @@ augroup END
 			endfunction
 		""".format(
 				callback_name=callback_name,
-		))
+			)
+		)
 
-		vim.command(r"""
+		vim.command(
+			r"""
 			function! {filter_name}(win_id, key)
 				return py3eval('online_fxreader_pr34_vim.beta.FastSelect.singleton().on_filter_key(key)', #{key: a:key})
 			endfunction
 		""".replace(
-			'{filter_name}', filter_name,
+				'{filter_name}',
-		))
+				filter_name,
+			)
+		)
 
 		logger.info(dict(msg='before popup'))
 
 		popup_menu = vim.Function('popup_menu')
 
-		with self._lock:
+		def create_popup():
-			self._queue.append(
+			self._popup_id = popup_menu(
-				lambda : popup_menu(
 				self._options,
 				{
 					'title': 'Select a file',
@@ -309,8 +348,12 @@ augroup END
 					'resize': 1,
 					'drag': 1,
 					'maxheight': '16',
-					}
+				},
 			)
+
+		with self._lock:
+			self._queue.append(
+				create_popup,
 				# lambda : vim.command(
 				# "call popup_menu({options}, {'title': '{title}', 'callback': '{callback}'})".replace(
 				# '{options}', '[%s]' % ','.join([
@@ -330,5 +373,6 @@ augroup END
 
 		# logger.info(dict(msg='after popup'))
 
+
 def init():
 	FastSelect.singleton()

dotfiles/.vim/online_fxreader_pr34_vim/main.py

@@ -27,6 +27,7 @@ from .utils import Vim
 
 MODULE_NAME = 'online_fxreader_pr34_vim'
 
+
 def f1():
 	t1 = vim.current.window
 	t2 = t1.width
@@ -163,12 +164,12 @@ class EditorConfigModeline:
 			dict[str, str],
 		] = dict()
 
-		Vim.run_command(r'''
+		Vim.run_command(r"""
 augroup EditorConfigModeline
   autocmd!
   autocmd BufEnter * python3 import online_fxreader_pr34_vim.main; online_fxreader_pr34_vim.main.EditorConfigModeline.singleton().on_buffer()
 augroup END
-		''')
+		""")
 
 	@classmethod
 	def singleton(cls) -> Self:
@@ -255,7 +256,9 @@ augroup END
 
 		# raise NotImplementedError
 
+
 # EditorConfigModeline.singleton()
 
+
 def init():
 	EditorConfigModeline.singleton()

dotfiles/.vim/online_fxreader_pr34_vim/utils.py

@@ -1,5 +1,6 @@
 import vim
 
+
 class Vim:
 	@classmethod
 	def run_command(cls, cmd) -> list[str]:
@@ -9,8 +10,6 @@ class Vim:
 		for line in cmd.splitlines():
 			if line.strip() == '':
 				continue
-			output.append(
+			output.append(vim.command(line))
-				vim.command(line)
-			)
 
 		return output

python/pyproject.toml

@@ -81,7 +81,7 @@ include = [
     './*.py',
     'online/**/*.py',
     'online/**/*.pyi',
-    '../dotfiles/.module.vimrc.py',
+    '../dotfiles/.vim/**/*.py',
 ]
 exclude = [
     '.venv',