Method setupShortcuts

Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp:5446–5624

}

void InnerWidget::setupShortcuts() {
	Shortcuts::Requests(
	) | rpl::filter([=] {
		return isActiveWindow()
			&& !_controller->isLayerShown()
			&& !_controller->window().locked()
			&& !_childListShown.current().shown
			&& !_chatPreviewRow.key;
	}) | rpl::on_next([=](not_null<Shortcuts::Request*> request) {
		using Command = Shortcuts::Command;

		const auto row = _controller->activeChatEntryCurrent();
		// Those should be computed before the call to request->handle.
		const auto previous = row.key
			? computeJump(
				chatListEntryBefore(row),
				JumpSkip::PreviousOrBegin)
			: row;
		const auto next = row.key
			? computeJump(
				chatListEntryAfter(row),
				JumpSkip::NextOrEnd)
			: row;
		const auto first = [&] {
			const auto to = chatListEntryFirst();
			const auto jump = computeJump(to, JumpSkip::NextOrOriginal);
			return (to == row || jump == row || to == previous) ? to : jump;
		}();
		const auto last = [&] {
			const auto to = chatListEntryLast();
			const auto jump = computeJump(to, JumpSkip::PreviousOrOriginal);
			return (to == row || jump == row || to == next) ? to : jump;
		}();
		if (row.key) {
			request->check(Command::ChatPrevious) && request->handle([=] {
				return jumpToDialogRow(previous);
			});
			request->check(Command::ChatNext) && request->handle([=] {
				return jumpToDialogRow(next);
			});
		} else if (_state == WidgetState::Default
			? !_shownList->empty()
			: !_filterResults.empty()) {
			request->check(Command::ChatNext) && request->handle([=] {
				return jumpToDialogRow(first);
			});
		}
		request->check(Command::ChatFirst) && request->handle([=] {
			return jumpToDialogRow(first);
		});
		request->check(Command::ChatLast) && request->handle([=] {
			return jumpToDialogRow(last);
		});
		request->check(Command::ChatSelf) && request->handle([=] {
			_controller->showThread(
				session().data().history(session().user()),
				ShowAtUnreadMsgId,
				Window::SectionShow::Way::ClearStack);