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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21662 a592a061-630c-0410-9148-cb99ea01b6c8
46 lines
913 B
C++
46 lines
913 B
C++
// -*- C++ -*-
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/**
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* \file KeyModifier.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* Keyboard modifier state representation.
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*
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* \author John Levon
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef KEYMODIFIER_H
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#define KEYMODIFIER_H
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namespace lyx {
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/// modifier key states
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enum KeyModifier {
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NoModifier = 0, //< no modifiers held
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ControlModifier = 1, //< control button held
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AltModifier = 2, //< alt/meta key held
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ShiftModifier = 4 //< shift key held
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};
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inline KeyModifier operator|(KeyModifier s1, KeyModifier s2)
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{
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int const i1 = static_cast<int>(s1);
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int const i2 = static_cast<int>(s2);
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return static_cast<KeyModifier>(i1 | i2);
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}
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inline void operator|=(KeyModifier & s1, KeyModifier s2)
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{
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s1 = static_cast<KeyModifier>(s1 | s2);
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}
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} // namespace lyx
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#endif // KEYMODIFIER_H
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