147 lines
4.0 KiB
C++
147 lines
4.0 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2003 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 CXWINDOWSKEYSTATE_H
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#define CXWINDOWSKEYSTATE_H
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#include "CKeyState.h"
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#include "stdmap.h"
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#if 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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# if HAVE_X11_EXTENSIONS_XTEST_H
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# include <X11/extensions/XTest.h>
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# else
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# error The XTest extension is required to build synergy
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# endif
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#endif
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//! X Windows key state
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/*!
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A key state for X Windows.
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*/
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class CXWindowsKeyState : public CKeyState {
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public:
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CXWindowsKeyState(Display*);
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~CXWindowsKeyState();
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//! @name accessors
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//@{
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//! Convert X modifier mask to synergy mask
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/*!
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Returns the synergy modifier mask corresponding to the X modifier
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mask in \p state.
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*/
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KeyModifierMask mapModifiersFromX(unsigned int state) const;
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//@}
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// IKeyState overrides
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virtual bool fakeCtrlAltDel();
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virtual const char* getKeyName(KeyButton) const;
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protected:
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// IKeyState overrides
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virtual void doUpdateKeys();
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virtual void doFakeKeyEvent(KeyButton button,
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bool press, bool isAutoRepeat);
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virtual KeyButton mapKey(Keystrokes& keys, KeyID id,
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KeyModifierMask desiredMask,
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bool isAutoRepeat) const;
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private:
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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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KeyModifierMask 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::map<KeySym, KeyMapping> KeySymMap;
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typedef KeySymMap::const_iterator KeySymIndex;
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// save the current keyboard mapping and note the modifiers
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void updateKeysymMap();
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// note interesting modifier KeySyms
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void updateModifiers();
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// map a modifier index and its KeySym to a modifier mask. also
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// save the modifier mask in one of m_*Mask.
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KeyModifierMask mapToModifierMask(unsigned int, KeySym);
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// convert a KeyID to a KeySym
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KeySym keyIDToKeySym(KeyID id, KeyModifierMask mask) const;
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// map a KeySym into the keystrokes to produce it
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KeyButton mapToKeystrokes(Keystrokes& keys,
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KeySymIndex keyIndex,
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bool isAutoRepeat) const;
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// choose the best set of modifiers to generate the KeySym
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unsigned int findBestKeyIndex(KeySymIndex keyIndex,
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KeyModifierMask currentMask) const;
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// returns true if the sense of shift is inverted for KeySym
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bool isShiftInverted(KeySymIndex keyIndex,
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KeyModifierMask currentMask) const;
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// returns the keystrokes to adjust the modifiers into the desired
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// state the keystrokes to get back to the current state.
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bool adjustModifiers(Keystrokes& keys,
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Keystrokes& undo,
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KeyModifierMask desiredMask) const;
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// returns true if keysym is sensitive to the NumLock state
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bool isNumLockSensitive(KeySym keysym) const;
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// returns true if keysym is sensitive to the CapsLock state
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bool isCapsLockSensitive(KeySym keysym) const;
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private:
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Display* m_display;
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// keysym to keycode mapping
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KeySymMap m_keysymMap;
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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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// modifier keysyms
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KeySym m_modeSwitchKeysym;
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// modifier masks
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unsigned int m_altMask;
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unsigned int m_metaMask;
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unsigned int m_superMask;
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unsigned int m_modeSwitchMask;
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unsigned int m_numLockMask;
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unsigned int m_scrollLockMask;
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};
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#endif
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