codemp-sublime/plugin/utils.py
cschen a8cc089624 wip: huge refactor with smarter and simpler struture
Former-commit-id: fbd0bca8094642dd8d2cf6c3f154af3b10dff95b
2024-09-18 17:42:56 +02:00

117 lines
3.4 KiB
Python

import sublime
import sublime_plugin
from typing import Dict, Generic, TypeVar
from . import globals as g
# bidirectional dictionary so that we can have bidirectional
# lookup!
# In particular we can use it for:
# bd[workspace_id] = window
# bd[view] = virtual_buffer
D = TypeVar("D", Dict, dict)
K = TypeVar("K")
V = TypeVar("V")
# using del bd.inverse[key] doesn't work since it can't be intercepted.
# the only way is to iterate:
# for key in bd.inverse[inverse_key]
class bidict(dict, Generic[K, V]):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.inverse: Dict[V, list[K]] = {}
for key, value in self.items():
self.inverse.setdefault(value, []).append(key)
def __setitem__(self, key: K, value: V):
if key in self:
self.inverse[self[key]].remove(key)
super(bidict, self).__setitem__(key, value)
self.inverse.setdefault(value, []).append(key)
def __delitem__(self, key: K):
# if we delete a normal key, remove the key from the inverse element.
inverse_key = self[key]
self.inverse.setdefault(inverse_key, []).remove(key)
# if the resulting inverse key list is empty delete it
if inverse_key in self.inverse and not self.inverse[inverse_key]:
del self.inverse[inverse_key]
# delete the normal key
super(bidict, self).__delitem__(key)
def inverse_del(self, inverse_key: V):
# deletes all the elements matching the inverse key
# the last del will also delete the inverse key.
for key in self.inverse[inverse_key]:
self.pop(key, None)
def clear(self):
self.inverse.clear()
super(bidict, self).clear()
def status_log(msg, popup=False):
sublime.status_message("[codemp] {}".format(msg))
print("[codemp] {}".format(msg))
if popup:
sublime.error_message(msg)
def rowcol_to_region(view, start, end):
a = view.text_point(start[0], start[1])
b = view.text_point(end[0], end[1])
return sublime.Region(a, b)
def safe_listener_detach(txt_listener: sublime_plugin.TextChangeListener):
if txt_listener is not None and txt_listener.is_attached():
txt_listener.detach()
def safe_listener_attach(txt_listener: sublime_plugin.TextChangeListener, buffer):
if txt_listener is not None and not txt_listener.is_attached():
txt_listener.attach(buffer)
def get_contents(view):
r = sublime.Region(0, view.size())
return view.substr(r)
def populate_view(view, content):
view.run_command(
"codemp_replace_text",
{
"start": 0,
"end": view.size(),
"content": content,
"change_id": view.change_id(),
},
)
def get_view_from_local_path(path):
for window in sublime.windows():
for view in window.views():
if view.file_name() == path:
return view
def draw_cursor_region(view, start, end, user):
reg = rowcol_to_region(view, start, end)
reg_flags = sublime.RegionFlags.DRAW_EMPTY
user_hash = hash(user)
view.add_regions(
f"{g.SUBLIME_REGIONS_PREFIX}-{user_hash}",
[reg],
flags=reg_flags,
scope=g.REGIONS_COLORS[user_hash % len(g.REGIONS_COLORS)],
annotations=[user], # pyright: ignore
annotation_color=g.PALETTE[user_hash % len(g.PALETTE)],
)