def common_do_populate(obj, filter_func, all_func,
context: GtkSource.CompletionContext):
_, textiter = context.get_iter()
buffer: Gtk.TextBuffer = textiter.get_buffer()
prev_textiter = textiter.copy()
prev_textiter.backward_char()
previous_char = prev_textiter.get_char()
if textiter.ends_word() or previous_char == '_':
start_word = textiter.copy()
backward_until_special_char(start_word)
word = buffer.get_text(start_word, textiter, False)
context.add_proposals(obj, filter_func(word), True)
context.add_proposals(obj, all_func(), True)
def do_match(self, context: GtkSource.CompletionContext):
if context.get_activation(
) == GtkSource.CompletionActivation.USER_REQUESTED:
return True
iterator: Gtk.TextIter = get_context_iter(context).copy()
if not iterator.backward_char():
return False
char = iterator.get_char()
return char in SymbolsSet.SYMBOL_CHARS or char == "%"
def do_get_start_iter(
self, context: GtkSource.CompletionContext,
proposal: GtkSource.CompletionProposal
) -> Tuple[bool, Optional[Gtk.TextIter]]:
correctly_set, textiter = context.get_iter()
assert correctly_set
copy = textiter.copy()
backward_until_special_char(copy)
return True, copy
def common_do_match(filter_func, all_func,
context: GtkSource.CompletionContext) -> bool:
_, textiter = context.get_iter()
buffer: Gtk.TextBuffer = textiter.get_buffer()
prev_textiter = textiter.copy()
prev_textiter.backward_char()
previous_char = prev_textiter.get_char()
if textiter.ends_word() or previous_char == '_':
start_word = textiter.copy()
backward_until_special_char(start_word)
word = buffer.get_text(start_word, textiter, False)
return (len(word) > 2 or
(len(word) > 0 and word[0] == '$') or context.get_activation()
== GtkSource.CompletionActivation.USER_REQUESTED) and len(
filter_func(word)) > 0
return not textiter.inside_word() and context.get_activation(
) == GtkSource.CompletionActivation.USER_REQUESTED
def get_context_iter(context: GtkSource.CompletionContext) -> Gtk.TextIter:
end_iter = context.get_iter()
if not isinstance(end_iter, Gtk.TextIter):
end_iter = end_iter[1]
return end_iter
def do_populate(self, context: GtkSource.CompletionContext):
end_iter = get_context_iter(context)
self.symbols_set.extract(end_iter)
proposals = list(self.get_proposals(end_iter))
if len(proposals) > 0:
context.add_proposals(self, proposals, True)