barrier/lib/platform/CXWindowsSecondaryScreen.h

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2002-08-02 19:57:46 +00:00
/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2002 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file COPYING that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef CXWINDOWSSECONDARYSCREEN_H
#define CXWINDOWSSECONDARYSCREEN_H
#include "CSecondaryScreen.h"
#include "IScreenEventHandler.h"
#include "stdbitset.h"
#include "stdmap.h"
#include "stdvector.h"
#if defined(X_DISPLAY_MISSING)
# error X11 is required to build synergy
#else
# include <X11/Xlib.h>
#endif
class CXWindowsScreen;
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class IScreenReceiver;
//! X11 secondary screen implementation
class CXWindowsSecondaryScreen :
public CSecondaryScreen, public IScreenEventHandler {
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public:
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CXWindowsSecondaryScreen(IScreenReceiver*);
virtual ~CXWindowsSecondaryScreen();
// CSecondaryScreen overrides
virtual void keyDown(KeyID, KeyModifierMask, KeyButton);
virtual void keyRepeat(KeyID, KeyModifierMask,
SInt32 count, KeyButton);
virtual void keyUp(KeyID, KeyModifierMask, KeyButton);
virtual void mouseDown(ButtonID);
virtual void mouseUp(ButtonID);
virtual void mouseMove(SInt32 x, SInt32 y);
virtual void mouseWheel(SInt32 delta);
virtual void resetOptions();
virtual void setOptions(const COptionsList& options);
virtual IScreen* getScreen() const;
// IScreenEventHandler overrides
virtual void onScreensaver(bool activated);
virtual bool onPreDispatch(const CEvent* event);
virtual bool onEvent(CEvent* event);
virtual void onOneShotTimerExpired(UInt32 id);
virtual SInt32 getJumpZoneSize() const;
protected:
// CSecondaryScreen overrides
virtual void onPreMainLoop();
virtual void onPreOpen();
virtual void onPostOpen();
virtual void onPreClose();
virtual void onPreEnter();
virtual void onPostEnter();
virtual void onPreLeave();
virtual void createWindow();
virtual void destroyWindow();
virtual void showWindow(SInt32 x, SInt32 y);
virtual void hideWindow();
virtual void warpCursor(SInt32 x, SInt32 y);
virtual void updateKeys();
virtual void releaseKeys();
virtual void setToggleState(KeyModifierMask);
virtual KeyModifierMask getToggleState() const;
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private:
enum EKeyAction { kPress, kRelease, kRepeat };
class KeyCodeMask {
public:
KeyCodeMask();
public:
KeyCode m_keycode[4];
};
class Keystroke {
public:
KeyCode m_keycode;
Bool m_press;
bool m_repeat;
};
typedef std::vector<Keystroke> Keystrokes;
typedef std::vector<KeyCode> KeyCodes;
typedef std::map<KeySym, KeyCodeMask> KeyCodeMap;
typedef KeyCodeMap::const_iterator KeyCodeIndex;
typedef std::map<KeyCode, unsigned int> ModifierMap;
typedef std::map<KeyButton, KeyCode> ServerKeyMap;
unsigned int mapButton(ButtonID button) const;
unsigned int mapKey(Keystrokes&, KeyCode&, KeyID,
KeyModifierMask, EKeyAction) const;
void doKeystrokes(const Keystrokes&, SInt32 count);
unsigned int maskToX(KeyModifierMask) const;
void doUpdateKeys(Display*);
void doReleaseKeys(Display*);
void updateKeycodeMap(Display* display);
void updateModifiers(Display* display);
void updateModifierMap(Display* display);
unsigned int indexToModifierMask(int index) const;
void toggleKey(Display*, KeySym, unsigned int mask);
static bool isToggleKeysym(KeySym);
KeyCodeIndex findKey(KeyID keysym, KeyModifierMask& mask) const;
KeyCodeIndex noKey() const;
bool adjustForNumLock(KeySym) const;
bool adjustForCapsLock(KeySym) const;
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private:
enum { kNONE, kSHIFT, kALTGR, kSHIFT_ALTGR };
CXWindowsScreen* m_screen;
Window m_window;
// note toggle keys that toggles on up/down (false) or on
// transition (true)
bool m_numLockHalfDuplex;
bool m_capsLockHalfDuplex;
// set entries indicate keys that are pressed (by us or by the user).
// indexed by keycode.
std::bitset<256> m_keys;
// set entries indicate keys that are synthetically pressed by us.
// this is normally the same as m_keys.
std::bitset<256> m_fakeKeys;
// logical to physical button mapping. m_buttons[i] gives the
// physical button for logical button i+1.
std::vector<unsigned char> m_buttons;
// current active modifiers (X key masks)
unsigned int m_mask;
// maps key IDs to X keycodes and the X modifier key mask needed
// to generate the right keysym
KeyCodeMap m_keycodeMap;
// the modifiers that have keys bound to them
unsigned int m_modifierMask;
// set bits indicate modifiers that toggle (e.g. caps-lock)
unsigned int m_toggleModifierMask;
// modifier masks
unsigned int m_altMask;
unsigned int m_metaMask;
unsigned int m_superMask;
unsigned int m_modeSwitchMask;
unsigned int m_numLockMask;
unsigned int m_capsLockMask;
unsigned int m_scrollLockMask;
// map X modifier key indices to the key codes bound to them
unsigned int m_keysPerModifier;
KeyCodes m_modifierToKeycode;
KeyCodes m_modifierToKeycodes;
// maps keycodes to modifier indices
ModifierMap m_keycodeToModifier;
// map server key buttons to local keycodes
ServerKeyMap m_serverKeyMap;
// the keyboard control state the last time this screen was entered
XKeyboardState m_keyControl;
};
#endif