File: keyboardstate.cc

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goldendict-webengine 23.02.05-1
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/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
 * Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */

#include "keyboardstate.hh"
#include <QObject> // To get Qt Q_OS defines

#ifdef Q_OS_WIN32
#include <windows.h>
#elif defined(HAVE_X11)
#if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
#include <QGuiApplication>
#else
#include <QX11Info>
#endif
#include <X11/X.h>
#include <X11/XKBlib.h>
#elif defined Q_OS_MAC
#define __SECURITYHI__
#include <Carbon/Carbon.h>
#endif

bool KeyboardState::checkModifiersPressed( int mask )
{
  #if defined(Q_WS_QWS)
    return false;
  #elif defined(Q_OS_WIN32)

  return !(
    ( mask & Alt && !( GetAsyncKeyState( VK_MENU ) & 0x8000 ) ) ||
    ( mask & Ctrl && !( GetAsyncKeyState( VK_CONTROL ) & 0x8000 ) ) ||
    ( mask & Shift && !( GetAsyncKeyState( VK_SHIFT ) & 0x8000 ) ) ||
    ( mask & LeftAlt && !( GetAsyncKeyState( VK_LMENU ) & 0x8000 ) ) ||
    ( mask & RightAlt && !( GetAsyncKeyState( VK_RMENU ) & 0x8000 ) ) ||
    ( mask & LeftCtrl && !( GetAsyncKeyState( VK_LCONTROL ) & 0x8000 ) ) ||
    ( mask & RightCtrl && !( GetAsyncKeyState( VK_RCONTROL ) & 0x8000 ) ) ||
    ( mask & LeftShift && !( GetAsyncKeyState( VK_LSHIFT ) & 0x8000 ) ) ||
    ( mask & RightShift && !( GetAsyncKeyState( VK_RSHIFT ) & 0x8000 ) ) );

  #elif defined Q_OS_MAC
  UInt32 keys = GetCurrentKeyModifiers();
  return !(
    ( mask & Alt && !( keys & ( 1 << optionKeyBit ) ) ) ||
    ( mask & Ctrl && !( keys & ( 1 << cmdKeyBit ) ) ) ||
    ( mask & Shift && !( keys & ( 1 << shiftKeyBit ) ) ) ||
    ( mask & Win && !( keys & ( 1 << controlKeyBit ) ) ) );
  #else

#if QT_VERSION < 0x060000
  Display *displayID = QX11Info::display();
#else
  QNativeInterface::QX11Application *x11AppInfo = qApp->nativeInterface<QNativeInterface::QX11Application>();
  Display *displayID = x11AppInfo->display();
#endif

  XkbStateRec state;

  XkbGetState( displayID, XkbUseCoreKbd, &state );

  return !(
    ( mask & Alt && !( state.base_mods & Mod1Mask ) ) ||
    ( mask & Ctrl && !( state.base_mods & ControlMask ) ) ||
    ( mask & Shift && !( state.base_mods & ShiftMask ) ) ||
    ( mask & Win && !( state.base_mods & Mod4Mask ) ) );
  #endif
}