95 lines
3.3 KiB
C
95 lines
3.3 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/kbdstate.h
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// Purpose: Declaration of wxKeyboardState class
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// Author: Vadim Zeitlin
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// Created: 2008-09-19
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// RCS-ID: $Id: kbdstate.h 55747 2008-09-19 23:59:39Z VZ $
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// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_KBDSTATE_H_
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#define _WX_KBDSTATE_H_
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#include "wx/defs.h"
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// ----------------------------------------------------------------------------
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// wxKeyboardState stores the state of the keyboard modifier keys
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxKeyboardState
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{
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public:
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wxKeyboardState(bool controlDown = false,
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bool shiftDown = false,
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bool altDown = false,
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bool metaDown = false)
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: m_controlDown(controlDown),
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m_shiftDown(shiftDown),
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m_altDown(altDown),
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m_metaDown(metaDown)
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{
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}
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// default copy ctor, assignment operator and dtor are ok
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// accessors for the various modifier keys
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// ---------------------------------------
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// should be used check if the key event has exactly the given modifiers:
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// "GetModifiers() = wxMOD_CONTROL" is easier to write than "ControlDown()
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// && !MetaDown() && !AltDown() && !ShiftDown()"
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int GetModifiers() const
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{
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return (m_controlDown ? wxMOD_CONTROL : 0) |
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(m_shiftDown ? wxMOD_SHIFT : 0) |
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(m_metaDown ? wxMOD_META : 0) |
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(m_altDown ? wxMOD_ALT : 0);
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}
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// returns true if any modifiers at all are pressed
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bool HasModifiers() const { return GetModifiers() != wxMOD_NONE; }
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// accessors for individual modifier keys
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bool ControlDown() const { return m_controlDown; }
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bool ShiftDown() const { return m_shiftDown; }
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bool MetaDown() const { return m_metaDown; }
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bool AltDown() const { return m_altDown; }
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// "Cmd" is a pseudo key which is Control for PC and Unix platforms but
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// Apple ("Command") key under Macs: it makes often sense to use it instead
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// of, say, ControlDown() because Cmd key is used for the same thing under
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// Mac as Ctrl elsewhere (but Ctrl still exists, just not used for this
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// purpose under Mac)
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bool CmdDown() const
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{
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#if defined(__WXMAC__) || defined(__WXCOCOA__)
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return MetaDown();
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#else
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return ControlDown();
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#endif
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}
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// these functions are mostly used by wxWidgets itself
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// ---------------------------------------------------
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void SetControlDown(bool down) { m_controlDown = down; }
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void SetShiftDown(bool down) { m_shiftDown = down; }
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void SetAltDown(bool down) { m_altDown = down; }
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void SetMetaDown(bool down) { m_metaDown = down; }
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// for backwards compatibility with the existing code accessing these
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// members of wxKeyEvent directly, these variables are public, however you
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// should not use them in any new code, please use the accessors instead
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public:
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bool m_controlDown : 1;
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bool m_shiftDown : 1;
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bool m_altDown : 1;
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bool m_metaDown : 1;
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};
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#endif // _WX_KBDSTATE_H_
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