khanat-opennel-code/code/nel/src/misc/di_mouse_device.h

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2010-05-06 00:08:41 +00:00
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef NL_DI_MOUSE_DEVICE_H
#define NL_DI_MOUSE_DEVICE_H
#include "nel/misc/types_nl.h"
#ifdef NL_OS_WINDOWS
#include "nel/misc/rect.h"
#include "nel/misc/di_event_emitter.h"
#include "nel/misc/input_device_server.h"
#include "nel/misc/mouse_device.h"
#include <dinput.h>
namespace NLMISC
{
//
struct EDirectInputNoMouse : public EDirectInput
{
EDirectInputNoMouse() : EDirectInput("No mouse found") {}
};
class CDXEventEmitter;
/**
* Direct Input implementation of a mouse
* \see CDIEventEmitter
* \author Nicolas Vizerie
* \author Nevrax France
* \date 2002
*/
class CDIMouse : public IMouseDevice
{
public:
enum { MaxNumMouseButtons = 3, NumMouseAxis = 3};
public:
///\name Object
//@{
virtual ~CDIMouse();
/** Create a mouse device from a valid DirectInput8 pointer. This must then be deleted by the caller.
* \return the interface or throw an exception if the creation failed
*/
static CDIMouse *createMouseDevice(IDirectInput8 *di8, HWND hwnd, CDIEventEmitter *diEventEmitter, bool hardware, class CWinEventEmitter *we) throw(EDirectInput);
//@}
///\name Mouse params, inherited from IMouseDevice
//@{
void setMessagesMode(TMessageMode mode);
TMessageMode getMessagesMode() const { return _MessageMode; }
void setMouseMode(TAxis axis, TAxisMode axisMode);
TAxisMode getMouseMode(TAxis axis) const;
void setMouseSpeed(float speed);
float getMouseSpeed() const;
void setMouseAcceleration(uint speed);
uint getMouseAcceleration() const;
void setMouseFrame(const CRect &rect);
const CRect &getMouseFrame() const;
void setDoubleClickDelay(uint ms);
uint getDoubleClickDelay() const;
void setMousePos(float x, float y);
void setFactors(float xFactor, float yFactor)
{
nlassert(_MessageMode == NormalMode);
_XFactor = xFactor;
_YFactor = yFactor;
}
float getXFactor() const { nlassert(_MessageMode == NormalMode); return _XFactor; }
float getYFactor() const { nlassert(_MessageMode == NormalMode); return _YFactor; }
void convertStdMouseMoveInMickeys(float &dx, float &dy) const;
//@}
///\name From IInputDevice
//@{
virtual bool setBufferSize(uint size);
virtual uint getBufferSize() const;
//@}
///\name From IInputDevice
//@{
void setButton(uint button, bool pushed);
bool getButton(uint button) const;
//@}
//////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////
private:
LPDIRECTINPUTDEVICE8 _Mouse;
//
bool _Hardware;
//
TMessageMode _MessageMode;
//
TAxisMode _MouseAxisMode[NumMouseAxis];
sint64 _XMousePos, _YMousePos; // position encoded in fixed point 32 : 32. This allow wrapping and no loss of precision, when not in clamped mode
// NB: this is sint64 because of max range reached with 16:16 when looping around x with great mouse speed
bool _FirstX, _FirstY;
float _MouseSpeed;
uint _MouseAccel;
CRect _MouseFrame;
//
bool _MouseButtons[MaxNumMouseButtons];
uint32 _MouseButtonsLastClickDate;
sint _LastMouseButtonClicked;
uint _DoubleClickDelay;
uint _MouseBufferSize;
HWND _hWnd;
//
sint32 OldDIXPos, OldDIYPos, OldDIZPos; // old positions reported by direct input
sint _XAcc, _YAcc; // accumulate move (needed because they are generated on a single axis for each DI event)
float _XFactor, _YFactor;
//
CDIEventEmitter *_DIEventEmitter;
// The windows emitter to enable / disble win32 mouse messages
NLMISC::CRefPtr<CWinEventEmitter> _WE;
// Does the button left and right are swapped ?
bool _SwapButton;
private:
/// ctor
CDIMouse();
/// Clamp the mouse axis that need to be.
void clampMouseAxis();
/// Sum the mouse move and produce an event
void updateMove(CEventServer *server);
void processButton(uint button, bool pressed, CEventServer *server, uint32 date);
TMouseButton buildMouseButtonFlags() const;
TMouseButton buildMouseSingleButtonFlags(uint button);
void onButtonClicked(uint button, CEventServer *server, uint32 date);
///\name From IInputDevice
//@{
virtual void poll(CInputDeviceServer *dev);
virtual void submit(IInputDeviceEvent *deviceEvent, CEventServer *server);
virtual void transitionOccured(CEventServer *server, const IInputDeviceEvent *nextMessage);
//@}
};
} // NL3D
#endif // NL_OS_WINDOWS
#endif // NL_DI_MOUSE_H
/* End of di_mouse.h */