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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@5758 a592a061-630c-0410-9148-cb99ea01b6c8
42 lines
828 B
C++
42 lines
828 B
C++
/**
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* \file key_state.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 KEY_STATE_H
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#define KEY_STATE_H
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/// modifier key states
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namespace key_modifier {
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enum state {
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none = 0, //< no modifiers held
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ctrl = 1, //< control button held
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alt = 2, //< alt/meta key held
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shift = 4 //< shift key held
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};
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inline state operator|(state const & s1, state const & 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<state>(i1 | i2);
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}
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inline void operator|=(state & s1, state s2)
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{
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s1 = static_cast<state>(s1 | s2);
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}
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} // namespace key_modifier
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#endif // KEY_STATE_H
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