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Telegram/SourceFiles/layout/layout_selection.cpp
42 строки
1 KB
23rd
Moved text selection utils to td_ui.
26 июл 2021, 17:38
26 июл 2021, 17:38
6e2f8eb
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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_selection.h" bool IsSubGroupSelection(TextSelection selection) { return (selection.from == 0xFFFF) && (selection.to != 0xFFFF); } bool IsGroupItemSelection( TextSelection selection, int index) { Expects(index >= 0 && index < 0x0F); return IsSubGroupSelection(selection) && (selection.to & (1 << index)); } TextSelection AddGroupItemSelection( TextSelection selection, int index) { Expects(index >= 0 && index < 0x0F); const auto bit = uint16(1U << index); return TextSelection( 0xFFFF, IsSubGroupSelection(selection) ? (selection.to | bit) : bit); } TextSelection RemoveGroupItemSelection( TextSelection selection, int index) { Expects(index >= 0 && index < 0x0F); const auto bit = uint16(1U << index); return IsSubGroupSelection(selection) ? TextSelection(0xFFFF, selection.to & ~bit) : selection; }