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/* Copyright (C) 2009 TightVNC Team
* Copyright (C) 2009, 2010 Red Hat, Inc.
* Copyright (C) 2009, 2010 TigerVNC Team
* Copyright 2013 Pierre Ossman for Cendio AB
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software 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.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
/* Make sure macro doesn't conflict with macro in include/input.h. */
#ifndef INPUT_H_
#define INPUT_H_
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <list>
#include <rdr/types.h>
#include <rfb/Rect.h>
extern "C" {
#include "input.h"
/* The Xorg headers define macros that wreak havoc with STL */
#undef max
};
#include "xorg-version.h"
/*
* Represents input device (keyboard + pointer)
*
* Is a singleton as input devices are global in the X server so
* we do not have one per desktop (i.e. per screen).
*/
extern class InputDevice *vncInputDevice;
class InputDevice {
public:
/*
* Press or release buttons. Relationship between buttonMask and
* buttons is specified in RFB protocol.
*/
void PointerButtonAction(int buttonMask);
/* Move pointer to target location (point coords are absolute). */
void PointerMove(const rfb::Point &point);
/* Get current known location of the pointer */
const rfb::Point &getPointerPos(void);
/* Press or release one or more keys to get the given symbol */
void KeyboardPress(rdr::U32 keysym) { keyEvent(keysym, true); }
void KeyboardRelease(rdr::U32 keysym) { keyEvent(keysym, false); }
/*
* Init input device.
* This has to be called after core pointer/keyboard
* initialization which unfortunately is after extesions
* initialization (which means we cannot call it in
* vncExtensionInit(). Check InitExtensions(),
* InitCoreDevices() and InitInput() calls in dix/main.c.
* Instead we call it from XserverDesktop at an appropriate
* time.
*/
void InitInputDevice(void);
private:
InputDevice();
void keyEvent(rdr::U32 keysym, bool down);
/* Backend dependent functions below here */
void PrepareInputDevices(void);
unsigned getKeyboardState(void);
unsigned getLevelThreeMask(void);
KeyCode pressShift(void);
std::list<KeyCode> releaseShift(void);
KeyCode pressLevelThree(void);
std::list<KeyCode> releaseLevelThree(void);
KeyCode keysymToKeycode(KeySym keysym, unsigned state, unsigned *new_state);
bool isLockModifier(KeyCode keycode, unsigned state);
bool isAffectedByNumLock(KeyCode keycode);
KeyCode addKeysym(KeySym keysym, unsigned state);
private:
static int pointerProc(DeviceIntPtr pDevice, int onoff);
static int keyboardProc(DeviceIntPtr pDevice, int onoff);
#if XORG >= 17
static void vncXkbProcessDeviceEvent(int screenNum,
InternalEvent *event,
DeviceIntPtr dev);
#else
static void GetInitKeyboardMap(KeySymsPtr keysyms, CARD8 *modmap);
#endif
private:
bool initialized;
DeviceIntPtr keyboardDev;
DeviceIntPtr pointerDev;
int oldButtonMask;
rfb::Point cursorPos;
KeySym pressedKeys[256];
private:
static InputDevice singleton;
};
#endif
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