mirror of
https://github.com/hexedtech/codemp-sublime.git
synced 2024-12-23 13:14:52 +01:00
126 lines
4.3 KiB
Python
126 lines
4.3 KiB
Python
from __future__ import annotations
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import sublime
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import os
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import logging
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import codemp
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from Codemp.src import globals as g
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from Codemp.src.utils import populate_view, safe_listener_attach, safe_listener_detach
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logger = logging.getLogger(__name__)
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def make_bufferchange_cb(buff: VirtualBuffer):
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def __callback(bufctl: codemp.BufferController):
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def get_change_and_apply():
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change_id = buff.view.change_id()
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while change := bufctl.try_recv().wait():
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logger.debug("received remote buffer change!")
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if change is None:
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break
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if change.is_empty():
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logger.debug("change is empty. skipping.")
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continue
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# In case a change arrives to a background buffer, just apply it.
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# We are not listening on it. Otherwise, interrupt the listening
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# to avoid echoing back the change just received.
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if buff.view.id() == g.ACTIVE_CODEMP_VIEW:
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buff.view.settings()[g.CODEMP_IGNORE_NEXT_TEXT_CHANGE] = True
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# we need to go through a sublime text command, since the method,
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# view.replace needs an edit token, that is obtained only when calling
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# a textcommand associated with a view.
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buff.view.run_command(
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"codemp_replace_text",
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{
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"start": change.start,
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"end": change.end,
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"content": change.content,
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"change_id": change_id,
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}, # pyright: ignore
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)
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sublime.set_timeout(get_change_and_apply)
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return __callback
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# This class is used as an abstraction between the local buffers (sublime side) and the
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# remote buffers (codemp side), to handle the syncronicity.
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# This class is mainly manipulated by a VirtualWorkspace, that manages its buffers
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# using this abstract class
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class VirtualBuffer:
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def __init__(
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self,
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buffctl: codemp.BufferController,
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view: sublime.View,
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rootdir: str,
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):
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self.buffctl = buffctl
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self.view = view
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self.id = self.buffctl.name()
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self.tmpfile = os.path.join(rootdir, self.id)
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open(self.tmpfile, "a").close()
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self.view.set_scratch(True)
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self.view.set_name(self.id)
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self.view.retarget(self.tmpfile)
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s = self.view.settings()
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self.view.set_status(g.SUBLIME_STATUS_ID, "[Codemp]")
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s[g.CODEMP_BUFFER_TAG] = True
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logger.info(f"registering a callback for buffer: {self.id}")
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self.buffctl.callback(make_bufferchange_cb(self))
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self.isactive = True
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def __del__(self):
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logger.debug("__del__ buffer called.")
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def __hash__(self) -> int:
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return hash(self.id)
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def uninstall(self):
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logger.info(f"clearing a callback for buffer: {self.id}")
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self.buffctl.clear_callback()
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self.buffctl.stop()
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self.isactive = False
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os.remove(self.tmpfile)
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def onclose(did_close):
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if did_close:
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logger.info(f"'{self.id}' closed successfully")
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else:
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logger.info(f"failed to close the view for '{self.id}'")
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self.view.close(onclose)
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def sync(self, text_listener):
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promise = self.buffctl.content()
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def defer_sync(promise):
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content = promise.wait()
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safe_listener_detach(text_listener)
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populate_view(self.view, content)
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safe_listener_attach(text_listener, self.view.buffer())
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sublime.set_timeout_async(lambda: defer_sync(promise))
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def send_buffer_change(self, changes):
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# we do not do any index checking, and trust sublime with providing the correct
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# sequential indexing, assuming the changes are applied in the order they are received.
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for change in changes:
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region = sublime.Region(change.a.pt, change.b.pt)
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logger.debug(
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"sending txt change: Reg({} {}) -> '{}'".format(
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region.begin(), region.end(), change.str
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)
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)
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# we must block and wait the send request to make sure the change went through ok
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self.buffctl.send(region.begin(), region.end(), change.str).wait()
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