/************************************************************
Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
and the Massachusetts Institute of Technology, Cambridge, Massachusetts.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its 
documentation for any purpose and without fee is hereby granted, 
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in 
supporting documentation, and that the names of Digital or MIT not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.  

DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.

********************************************************/

/* $XConsortium: inputstr.h,v 1.23 89/10/03 19:50:03 rws Exp $ */

#ifndef INPUTSTRUCT_H
#define INPUTSTRUCT_H

#include "input.h"
#include "window.h"
#include "dixstruct.h"
#include "screenint.h"

#define BitIsOn(ptr, bit) (((BYTE *) (ptr))[(bit)>>3] & (1 << ((bit) & 7)))

#define SameClient(obj,client) \
	(CLIENT_BITS((obj)->resource) == (client)->clientAsMask)

#define MAX_DEVICES	7

#define EMASKSIZE	MAX_DEVICES

/* Kludge: OtherClients and InputClients must be compatible, see code */

typedef struct _OtherClients {
    OtherClientsPtr	next;
    XID			resource; /* id for putting into resource manager */
    Mask		mask;
} OtherClients;

typedef struct _InputClients {
    InputClientsPtr	next;
    XID			resource; /* id for putting into resource manager */
    Mask		mask[EMASKSIZE];
} InputClients;

typedef struct _OtherInputMasks {
    Mask		deliverableEvents[EMASKSIZE];
    Mask		inputEvents[EMASKSIZE];
    Mask		dontPropagateMask[EMASKSIZE];
    InputClientsPtr	inputClients;
} OtherInputMasks;

typedef struct _DeviceIntRec *DeviceIntPtr;

/*
 * The following structure gets used for both active and passive grabs. For
 * active grabs some of the fields (e.g. modifiers) are not used. However,
 * that is not much waste since there aren't many active grabs (one per
 * keyboard/pointer device) going at once in the server.
 */

#define MasksPerDetailMask 8		/* 256 keycodes and 256 possible
						modifier combinations, but only	
						3 buttons. */

  typedef struct _DetailRec {		/* Grab details may be bit masks */
	unsigned short exact;
	Mask *pMask;
  } DetailRec;

  typedef struct _GrabRec {
    GrabPtr		next;		/* for chain of passive grabs */
    XID			resource;
    DeviceIntPtr	device;
    WindowPtr		window;
    unsigned		ownerEvents:1;
    unsigned		keyboardMode:1;
    unsigned		pointerMode:1;
    unsigned		coreGrab:1;	/* grab is on core device */
    unsigned		coreMods:1;	/* modifiers are on core keyboard */
    CARD8		type;		/* event type */
    DetailRec		modifiersDetail;
    DeviceIntPtr	modifierDevice;
    DetailRec		detail;		/* key or button */
    WindowPtr		confineTo;	/* always NULL for keyboards */
    CursorPtr		cursor;		/* always NULL for keyboards */
    Mask		eventMask;
} GrabRec;

typedef struct _KeyClassRec {
    CARD8		down[DOWN_LENGTH];
    KeyCode 		*modifierKeyMap;
    KeySymsRec		curKeySyms;
    int			modifierKeyCount[8];
    CARD8		modifierMap[MAP_LENGTH];
    CARD8		maxKeysPerModifier;
    unsigned short	state;
} KeyClassRec, *KeyClassPtr;

typedef struct _XAxisInfo {
    int		resolution;
    int		min_value;
    int		max_value;
} XAxisInfo, *XAxisInfoPtr;

typedef struct _ValuatorClassRec {
    int		 	(*GetMotionProc) ();
    int		 	numMotionEvents;
    WindowPtr    	motionHintWindow;
    XAxisInfoPtr 	axes;
    unsigned short	numAxes;
    unsigned short	*axisVal;
    CARD8	 	mode;
} ValuatorClassRec, *ValuatorClassPtr;

typedef struct _ButtonClassRec {
    CARD8		numButtons;
    CARD8		buttonsDown;	/* number of buttons currently down */
    unsigned short	state;
    Mask		motionMask;
    CARD8		down[DOWN_LENGTH];
    CARD8		map[MAP_LENGTH];
} ButtonClassRec, *ButtonClassPtr;

typedef struct _FocusClassRec {
    WindowPtr	win;
    int		revert;
    TimeStamp	time;
    WindowPtr	*trace;
    int		traceSize;
    int		traceGood;
} FocusClassRec, *FocusClassPtr;

typedef struct _ProximityClassRec {
    char	pad;
} ProximityClassRec, *ProximityClassPtr;

typedef struct _KbdFeedbackClassRec {
    void		(*BellProc) ();
    void		(*CtrlProc) ();
    KeybdCtrl	 	ctrl;
} KbdFeedbackClassRec, *KbdFeedbackPtr;

typedef struct _PtrFeedbackClassRec {
    void	(*CtrlProc) ();
    PtrCtrl	 ctrl;
} PtrFeedbackClassRec, *PtrFeedbackPtr;

typedef struct _IntegerFeedbackClassRec {
    void	(*CtrlProc) ();
    IntegerCtrl	 ctrl;
} IntegerFeedbackClassRec, *IntegerFeedbackPtr;

typedef struct _StringFeedbackClassRec {
    void	(*CtrlProc) ();
    StringCtrl	 ctrl;
} StringFeedbackClassRec, *StringFeedbackPtr;

typedef struct _BellFeedbackClassRec {
    void	(*BellProc) ();
    void	(*CtrlProc) ();
    BellCtrl	 ctrl;
} BellFeedbackClassRec, *BellFeedbackPtr;

typedef struct _LedFeedbackClassRec {
    void	(*CtrlProc) ();
    LedCtrl	 ctrl;
} LedFeedbackClassRec, *LedFeedbackPtr;

/* states for devices */

#define NOT_GRABBED		0
#define THAWED			1
#define THAWED_BOTH		2	/* not a real state */
#define FREEZE_NEXT_EVENT	3
#define FREEZE_BOTH_NEXT_EVENT	4
#define FROZEN			5	/* any state >= has device frozen */
#define FROZEN_NO_EVENT		5
#define FROZEN_WITH_EVENT	6
#define THAW_OTHERS		7

typedef struct _DeviceIntRec {
    DeviceRec	public;
    DeviceIntPtr next;
    TimeStamp	grabTime;
    Bool	startup;		/* true if needs to be turned on at
				          server intialization time */
    DeviceProc	deviceProc;		/* proc(DevicePtr, DEVICE_xx). It is
					  used to initialize, turn on, or
					  turn off the device */
    Bool	inited;			/* TRUE if INIT returns Success */
    GrabPtr	grab;			/* the grabber - used by DIX */
    struct {
	Bool		frozen;
	int		state;
	GrabPtr		other;		/* if other grab has this frozen */
	xEvent		*event;		/* saved to be replayed */
	int		evcount;
    } sync;
    Atom		type;
    char		*name;
    CARD8		id;
    CARD8		activatingKey;
    Bool		fromPassiveGrab;
    GrabRec		activeGrab;
    void		(*ActivateGrab)();
    void		(*DeactivateGrab)();
    KeyClassPtr		key;
    ValuatorClassPtr	valuator;
    ButtonClassPtr	button;
    FocusClassPtr	focus;
    ProximityClassPtr	proximity;
    KbdFeedbackPtr	kbdfeed;
    PtrFeedbackPtr	ptrfeed;
    IntegerFeedbackPtr	intfeed;
    StringFeedbackPtr	stringfeed;
    BellFeedbackPtr	bell;
    LedFeedbackPtr	leds;
} DeviceIntRec;

typedef struct {
    int			numDevices;	/* total number of devices */
    DeviceIntPtr	devices;	/* all devices turned on */
    DeviceIntPtr	off_devices;	/* all devices turned off */
    DeviceIntPtr	keyboard;	/* the main one for the server */
    DeviceIntPtr	pointer;
} InputInfo;

/* for keeping the events for devices grabbed synchronously */
typedef struct _QdEvent *QdEventPtr;
typedef struct _QdEvent {
    QdEventPtr		next;
    DeviceIntPtr	device;
    ScreenPtr		pScreen;	/* what screen the pointer was on */
    unsigned long	months;		/* milliseconds is in the event */
    xEvent		*event;
    int			evcount;
} QdEventRec;    

#endif /* INPUTSTRUCT_H */
