mirror of
https://github.com/debauchee/barrier.git
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24fc257b3c
with applying the incorrect shift and mode switch modifiers to some keycodes, such as getting Pointer_EnableKeys when pressing shift with NumLock enabled.
239 lines
7.1 KiB
C++
239 lines
7.1 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef CXWINDOWSSECONDARYSCREEN_H
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#define CXWINDOWSSECONDARYSCREEN_H
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#include "CSecondaryScreen.h"
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#include "IScreenEventHandler.h"
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#include "stdbitset.h"
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#include "stdmap.h"
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#include "stdvector.h"
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#if defined(X_DISPLAY_MISSING)
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# error X11 is required to build synergy
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#else
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# include <X11/Xlib.h>
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#endif
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class CXWindowsScreen;
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class IScreenReceiver;
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//! X11 secondary screen implementation
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class CXWindowsSecondaryScreen :
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public CSecondaryScreen, public IScreenEventHandler {
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public:
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CXWindowsSecondaryScreen(IScreenReceiver*);
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virtual ~CXWindowsSecondaryScreen();
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// CSecondaryScreen overrides
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virtual void keyDown(KeyID, KeyModifierMask, KeyButton);
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virtual void keyRepeat(KeyID, KeyModifierMask,
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SInt32 count, KeyButton);
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virtual void keyUp(KeyID, KeyModifierMask, KeyButton);
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virtual void mouseDown(ButtonID);
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virtual void mouseUp(ButtonID);
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virtual void mouseMove(SInt32 x, SInt32 y);
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virtual void mouseWheel(SInt32 delta);
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virtual void resetOptions();
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virtual void setOptions(const COptionsList& options);
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virtual IScreen* getScreen() const;
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// IScreenEventHandler overrides
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virtual void onScreensaver(bool activated);
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virtual bool onPreDispatch(const CEvent* event);
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virtual bool onEvent(CEvent* event);
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virtual void onOneShotTimerExpired(UInt32 id);
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virtual SInt32 getJumpZoneSize() const;
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protected:
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// CSecondaryScreen overrides
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virtual void onPreMainLoop();
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virtual void onPreOpen();
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virtual void onPostOpen();
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virtual void onPreClose();
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virtual void onPreEnter();
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virtual void onPostEnter();
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virtual void onPreLeave();
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virtual void createWindow();
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virtual void destroyWindow();
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virtual void showWindow(SInt32 x, SInt32 y);
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virtual void hideWindow();
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virtual void warpCursor(SInt32 x, SInt32 y);
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virtual void updateKeys();
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virtual void releaseKeys();
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virtual void setToggleState(KeyModifierMask);
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virtual KeyModifierMask getToggleState() const;
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private:
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enum EKeyAction { kPress, kRelease, kRepeat };
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typedef unsigned int ModifierIndex;
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typedef unsigned int ModifierMask;
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class Keystroke {
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public:
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KeyCode m_keycode;
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Bool m_press;
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bool m_repeat;
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};
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class KeyMapping {
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public:
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KeyMapping();
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public:
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// KeyCode to generate keysym and whether keycode[i] is
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// sensitive to shift and mode switch.
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KeyCode m_keycode[4];
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bool m_shiftSensitive[4];
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bool m_modeSwitchSensitive[4];
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// the modifier mask of keysym or 0 if not a modifier
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ModifierMask m_modifierMask;
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// whether keysym is sensitive to caps and num lock
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bool m_numLockSensitive;
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bool m_capsLockSensitive;
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};
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typedef std::vector<KeyCode> KeyCodes;
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typedef std::map<KeyCode, ModifierIndex> KeyCodeToModifierMap;
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typedef std::map<KeySym, KeyMapping> KeySymMap;
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typedef KeySymMap::const_iterator KeySymIndex;
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typedef std::vector<Keystroke> Keystrokes;
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typedef std::vector<KeySym> KeySyms;
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typedef std::map<KeySym, KeySyms> KeySymsMap;
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typedef std::map<KeyButton, KeyCode> ServerKeyMap;
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unsigned int mapButton(ButtonID button) const;
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ModifierMask mapKey(Keystrokes&, KeyCode&, KeyID,
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KeyModifierMask, EKeyAction) const;
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ModifierMask mapKeyRelease(Keystrokes&, KeyCode) const;
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bool mapToKeystrokes(Keystrokes& keys,
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KeyCode& keycode,
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ModifierMask& finalMask,
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KeySymIndex keyIndex,
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ModifierMask currentMask,
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EKeyAction action) const;
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bool adjustModifiers(Keystrokes& keys,
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Keystrokes& undo,
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ModifierMask& inOutMask,
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ModifierMask desiredMask) const;
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bool adjustModifier(Keystrokes& keys,
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Keystrokes& undo,
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KeySym keysym,
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bool desireActive) const;
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void doKeystrokes(const Keystrokes&, SInt32 count);
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ModifierMask maskToX(KeyModifierMask) const;
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unsigned int findBestKeyIndex(KeySymIndex keyIndex,
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ModifierMask currentMask) const;
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bool isShiftInverted(KeySymIndex keyIndex,
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ModifierMask currentMask) const;
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ModifierMask getModifierMask(KeySym) const;
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void doUpdateKeys(Display*);
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void doReleaseKeys(Display*);
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void updateKeysymMap(Display* display);
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void updateModifiers(Display* display);
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ModifierIndex keySymToModifierIndex(KeySym) const;
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void toggleKey(Display*, KeySym, ModifierMask mask);
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static bool isToggleKeysym(KeySym);
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KeySym keyIDToKeySym(KeyID id, ModifierMask mask) const;
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bool adjustForNumLock(KeySym) const;
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bool adjustForCapsLock(KeySym) const;
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bool decomposeKeySym(KeySym keysym,
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KeySyms& decomposed) const;
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static const KeySymsMap& getDecomposedKeySymTable();
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private:
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CXWindowsScreen* m_screen;
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Window m_window;
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// note toggle keys that toggles on up/down (false) or on
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// transition (true)
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bool m_numLockHalfDuplex;
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bool m_capsLockHalfDuplex;
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// set entries indicate keys that are pressed (by us or by the user).
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// indexed by keycode.
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std::bitset<256> m_keys;
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// set entries indicate keys that are synthetically pressed by us.
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// this is normally the same as m_keys.
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std::bitset<256> m_fakeKeys;
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// logical to physical button mapping. m_buttons[i] gives the
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// physical button for logical button i+1.
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std::vector<unsigned char> m_buttons;
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// current active modifiers (X key masks)
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ModifierMask m_mask;
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// the modifiers that have keys bound to them
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ModifierMask m_modifierMask;
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// set bits indicate modifiers that toggle (e.g. caps-lock)
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ModifierMask m_toggleModifierMask;
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// keysym to keycode mapping
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KeySymMap m_keysymMap;
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// modifier index to keycodes
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KeyCodes m_modifierKeycodes[8];
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// keycode to modifier index
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KeyCodeToModifierMap m_keycodeToModifier;
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// modifier keysyms
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KeySym m_shiftKeysym;
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KeySym m_ctrlKeysym;
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KeySym m_altKeysym;
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KeySym m_metaKeysym;
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KeySym m_superKeysym;
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KeySym m_modeSwitchKeysym;
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KeySym m_numLockKeysym;
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KeySym m_capsLockKeysym;
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KeySym m_scrollLockKeysym;
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// modifier masks
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ModifierMask m_shiftMask;
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ModifierMask m_ctrlMask;
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ModifierMask m_altMask;
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ModifierMask m_metaMask;
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ModifierMask m_superMask;
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ModifierMask m_modeSwitchMask;
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ModifierMask m_numLockMask;
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ModifierMask m_capsLockMask;
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ModifierMask m_scrollLockMask;
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// map server key buttons to local keycodes
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ServerKeyMap m_serverKeyMap;
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// the keyboard control state the last time this screen was entered
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XKeyboardState m_keyControl;
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// stuff to workaround xtest being xinerama unaware. attempting
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// to fake a mouse motion under xinerama may behave strangely,
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// especially if screen 0 is not at 0,0 or if faking a motion on
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// a screen other than screen 0.
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bool m_xtestIsXineramaUnaware;
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bool m_xinerama;
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// a table of keysym decompositions
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static KeySymsMap s_decomposedKeySyms;
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};
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#endif
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