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- /*
- This file is part of Telegram Desktop,
- the official desktop application for the Telegram messaging service.
- For license and copyright information please follow this link:
- https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
- */
- #include "layout/layout_position.h"
- namespace Layout {
- namespace {
- constexpr auto kMatrixRowShift = 40000;
- } // namespace
- Layout::Position IndexToPosition(int index) {
- return {
- (index >= 0) ? (index / kMatrixRowShift) : -1,
- (index >= 0) ? (index % kMatrixRowShift) : -1 };
- }
- int PositionToIndex(int row, int column) {
- return row * kMatrixRowShift + column;
- }
- int PositionToIndex(const Layout::Position &position) {
- return PositionToIndex(position.row, position.column);
- }
- } // namespace Layout
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