Method Process

src/dialog_selection.cpp:185–247

}

void DialogSelection::Process(wxCommandEvent& event) {
	std::set<AssDialogue*> matches;

	try {
		matches = process(
			from_wx(match_text->GetValue()), case_sensitive->IsChecked(),
			static_cast<Mode>(match_mode->GetSelection()), select_unmatching_lines->GetValue(),
			apply_to_comments->IsChecked(), apply_to_dialogue->IsChecked(),
			dialogue_field->GetSelection(), con->ass.get());
	}
	catch (agi::Exception const&) {
		if (event.GetId() == wxID_OK) Close();
		return;
	}

	auto action = static_cast<Action>(selection_change_type->GetSelection());

	Selection old_sel, new_sel;
	if (action != Action::SET)
		old_sel = con->selectionController->GetSelectedSet();

	wxString message;
	size_t count = 0;
	switch (action) {
		case Action::SET:
			new_sel = std::move(matches);
			message = (count = new_sel.size())
				? fmt_plural(count, "Selection was set to one line", "Selection was set to %u lines", count)
				: _("Selection was set to no lines");
			break;

		case Action::ADD:
			boost::set_union(old_sel, matches, inserter(new_sel, new_sel.begin()));
			message = (count = new_sel.size() - old_sel.size())
				? fmt_plural(count, "One line was added to selection", "%u lines were added to selection", count)
				: _("No lines were added to selection");
			break;

		case Action::SUB:
			boost::set_difference(old_sel, matches, inserter(new_sel, new_sel.begin()));
			goto sub_message;

		case Action::INTERSECT:
			boost::set_intersection(old_sel, matches, inserter(new_sel, new_sel.begin()));
			sub_message:
			message = (count = old_sel.size() - new_sel.size())
				? fmt_plural(count, "One line was removed from selection", "%u lines were removed from selection", count)
				: _("No lines were removed from selection");
			break;
	}

	if (count == 0)
		wxMessageBox(message, _("Selection"), wxOK | wxCENTER, this);
	else
		con->frame->StatusTimeout(message);

	AssDialogue *new_active = con->selectionController->GetActiveLine();
	if (new_sel.size() && !new_sel.count(new_active))