goldendict-ng/src/keyboardstate.hh

/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
 * Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */

#ifndef __KEYBOARDSTATE_HH_INCLUDED__
#define __KEYBOARDSTATE_HH_INCLUDED__

/// Since Qt doesn't provide a way to test for keyboard modifiers state
/// when the app isn't in focus, we have to implement this separately for
/// each platform.
class KeyboardState
{
public:

  enum Modifier {
    Alt        = 1,
    Ctrl       = 2,
    Shift      = 4,
    Win        = 8,  // Ironically, Linux only, since it's no use under Windows
    LeftAlt    = 16, // Those Left-Right are Windows-only, at least for now
    RightAlt   = 32,
    LeftCtrl   = 64,
    RightCtrl  = 128,
    LeftShift  = 256,
    RightShift = 512
  };

  /// Returns true if all Modifiers present within the given mask are pressed
  /// right now.
  bool static checkModifiersPressed( int mask );
};

#endif