xserver git update 20/5/2010

1 files changed, 607 insertions, 599 deletions

diff --git a/xorg-server/include/inputstr.h b/xorg-server/include/inputstr.h
index 6da3f38e4..fa21c7b3a 100644
--- a/xorg-server/include/inputstr.h
+++ b/xorg-server/include/inputstr.h
@@ -1,599 +1,607 @@
-/************************************************************
-
-Copyright 1987, 1998  The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, 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 name of Digital 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.
-
-********************************************************/
-
-
-#ifndef INPUTSTRUCT_H
-#define INPUTSTRUCT_H
-
-#include "input.h"
-#include "window.h"
-#include "dixstruct.h"
-#include "cursorstr.h"
-#include "geext.h"
-#include "privates.h"
-
-#define BitIsOn(ptr, bit) (((BYTE *) (ptr))[(bit)>>3] & (1 << ((bit) & 7)))
-#define SetBit(ptr, bit)  (((BYTE *) (ptr))[(bit)>>3] |= (1 << ((bit) & 7)))
-#define ClearBit(ptr, bit) (((BYTE *)(ptr))[(bit)>>3] &= ~(1 << ((bit) & 7)))
-
-#define SameClient(obj,client) \
-	(CLIENT_BITS((obj)->resource) == (client)->clientAsMask)
-
-#define EMASKSIZE	MAXDEVICES + 2
-
-/* This is the last XI2 event supported by the server. If you add
- * events to the protocol, the server will not support these events until
- * this number here is bumped.
- */
-#define XI2LASTEVENT    17 /* XI_RawMotion */
-#define XI2MASKSIZE     ((XI2LASTEVENT + 7)/8) /* no of bits for masks */
-
-/**
- * This struct stores the core event mask for each client except the client
- * that created the window.
- *
- * Each window that has events selected from other clients has at least one of
- * these masks. If multiple clients selected for events on the same window,
- * these masks are in a linked list.
- *
- * The event mask for the client that created the window is stored in
- * win->eventMask instead.
- *
- * The resource id is simply a fake client ID to associate this mask with a
- * client.
- *
- * Kludge: OtherClients and InputClients must be compatible, see code.
- */
-typedef struct _OtherClients {
-    OtherClientsPtr	next; /**< Pointer to the next mask */
-    XID			resource; /**< id for putting into resource manager */
-    Mask		mask; /**< Core event mask */
-} OtherClients;
-
-/**
- * This struct stores the XI event mask for each client.
- *
- * Each window that has events selected has at least one of these masks. If
- * multiple client selected for events on the same window, these masks are in
- * a linked list.
- */
-typedef struct _InputClients {
-    InputClientsPtr	next; /**< Pointer to the next mask */
-    XID			resource; /**< id for putting into resource manager */
-    Mask		mask[EMASKSIZE]; /**< Actual XI event mask, deviceid is index */
-    /** XI2 event masks. One per device, each bit is a mask of (1 << type) */
-    unsigned char       xi2mask[EMASKSIZE][XI2MASKSIZE];
-} InputClients;
-
-/**
- * Combined XI event masks from all devices.
- *
- * This is the XI equivalent of the deliverableEvents, eventMask and
- * dontPropagate mask of the WindowRec (or WindowOptRec).
- *
- * A window that has an XI client selecting for events has exactly one
- * OtherInputMasks struct and exactly one InputClients struct hanging off
- * inputClients. Each further client appends to the inputClients list.
- * Each Mask field is per-device, with the device id as the index.
- * Exception: for non-device events (Presence events), the MAXDEVICES
- * deviceid is used.
- */
-typedef struct _OtherInputMasks {
-    /**
-     * Bitwise OR of all masks by all clients and the window's parent's masks.
-     */
-    Mask		deliverableEvents[EMASKSIZE];
-    /**
-     * Bitwise OR of all masks by all clients on this window.
-     */
-    Mask		inputEvents[EMASKSIZE];
-    /** The do-not-propagate masks for each device. */
-    Mask		dontPropagateMask[EMASKSIZE];
-    /** The clients that selected for events */
-    InputClientsPtr	inputClients;
-    /* XI2 event masks. One per device, each bit is a mask of (1 << type) */
-    unsigned char       xi2mask[EMASKSIZE][XI2MASKSIZE];
-} OtherInputMasks;
-
-/*
- * 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 int        exact;
-    Mask                *pMask;
-} DetailRec;
-
-typedef enum {
-    GRABTYPE_CORE,
-    GRABTYPE_XI,
-    GRABTYPE_XI2
-} GrabType;
-
-union _GrabMask {
-    Mask core;
-    Mask xi;
-    char xi2mask[EMASKSIZE][XI2MASKSIZE];
-};
-
-/**
- * Central struct for device grabs. 
- * The same struct is used for both core grabs and device grabs, with
- * different fields being set. 
- * If the grab is a core grab (GrabPointer/GrabKeyboard), then the eventMask
- * is a combination of standard event masks (i.e. PointerMotionMask |
- * ButtonPressMask).
- * If the grab is a device grab (GrabDevice), then the eventMask is a
- * combination of event masks for a given XI event type (see SetEventInfo).
- *
- * If the grab is a result of a ButtonPress, then eventMask is the core mask
- * and deviceMask is set to the XI event mask for the grab.
- */
-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;
-    GrabType		grabtype;
-    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;
-    Mask                deviceMask;     
-    /* XI2 event masks. One per device, each bit is a mask of (1 << type) */
-    unsigned char       xi2mask[EMASKSIZE][XI2MASKSIZE];
-} GrabRec;
-
-typedef struct _KeyClassRec {
-    int			sourceid;
-    CARD8		down[DOWN_LENGTH];
-    CARD8		postdown[DOWN_LENGTH];
-    int                 modifierKeyCount[8];
-    struct _XkbSrvInfo *xkbInfo;
-} KeyClassRec, *KeyClassPtr;
-
-typedef struct _AxisInfo {
-    int		resolution;
-    int		min_resolution;
-    int		max_resolution;
-    int		min_value;
-    int		max_value;
-    Atom	label;
-} AxisInfo, *AxisInfoPtr;
-
-typedef struct _ValuatorAccelerationRec {
-    int                         number;
-    PointerAccelSchemeProc      AccelSchemeProc;
-    void                       *accelData; /* at disposal of AccelScheme */
-    DeviceCallbackProc          AccelCleanupProc;
-} ValuatorAccelerationRec, *ValuatorAccelerationPtr;
-
-typedef struct _ValuatorClassRec {
-    int                   sourceid;
-    int		 	  numMotionEvents;
-    int                   first_motion;
-    int                   last_motion;
-    void                  *motion; /* motion history buffer. Different layout
-                                      for MDs and SDs!*/
-    WindowPtr             motionHintWindow;
-
-    AxisInfoPtr 	  axes;
-    unsigned short	  numAxes;
-    double		  *axisVal; /* always absolute, but device-coord system */
-    CARD8	 	  mode;
-    ValuatorAccelerationRec	accelScheme;
-} ValuatorClassRec, *ValuatorClassPtr;
-
-typedef struct _ButtonClassRec {
-    int			sourceid;
-    CARD8		numButtons;
-    CARD8		buttonsDown;	/* number of buttons currently down
-                                           This counts logical buttons, not
-					   physical ones, i.e if some buttons
-					   are mapped to 0, they're not counted
-					   here */
-    unsigned short	state;
-    Mask		motionMask;
-    CARD8		down[DOWN_LENGTH];
-    CARD8		postdown[DOWN_LENGTH];
-    CARD8		map[MAP_LENGTH];
-    union _XkbAction    *xkb_acts;
-    Atom		labels[MAX_BUTTONS];
-} ButtonClassRec, *ButtonClassPtr;
-
-typedef struct _FocusClassRec {
-    int		sourceid;
-    WindowPtr	win; /* May be set to a int constant (e.g. PointerRootWin)! */
-    int		revert;
-    TimeStamp	time;
-    WindowPtr	*trace;
-    int		traceSize;
-    int		traceGood;
-} FocusClassRec, *FocusClassPtr;
-
-typedef struct _ProximityClassRec {
-    int		sourceid;
-    char	pad;
-} ProximityClassRec, *ProximityClassPtr;
-
-typedef struct _AbsoluteClassRec {
-    int         sourceid;
-    /* Calibration. */
-    int         min_x;
-    int         max_x;
-    int         min_y;
-    int         max_y;
-    int         flip_x;
-    int         flip_y;
-    int		rotation;
-    int         button_threshold;
-
-    /* Area. */
-    int         offset_x;
-    int         offset_y;
-    int         width;
-    int         height;
-    int         screen;
-    XID		following;
-} AbsoluteClassRec, *AbsoluteClassPtr;
-
-typedef struct _KbdFeedbackClassRec *KbdFeedbackPtr;
-typedef struct _PtrFeedbackClassRec *PtrFeedbackPtr;
-typedef struct _IntegerFeedbackClassRec *IntegerFeedbackPtr;
-typedef struct _StringFeedbackClassRec *StringFeedbackPtr;
-typedef struct _BellFeedbackClassRec *BellFeedbackPtr;
-typedef struct _LedFeedbackClassRec *LedFeedbackPtr;
-
-typedef struct _KbdFeedbackClassRec {
-    BellProcPtr		BellProc;
-    KbdCtrlProcPtr	CtrlProc;
-    KeybdCtrl	 	ctrl;
-    KbdFeedbackPtr	next;
-    struct _XkbSrvLedInfo *xkb_sli;
-} KbdFeedbackClassRec;
-
-typedef struct _PtrFeedbackClassRec {
-    PtrCtrlProcPtr	CtrlProc;
-    PtrCtrl		ctrl;
-    PtrFeedbackPtr	next;
-} PtrFeedbackClassRec;
-
-typedef struct _IntegerFeedbackClassRec {
-    IntegerCtrlProcPtr	CtrlProc;
-    IntegerCtrl	 	ctrl;
-    IntegerFeedbackPtr	next;
-} IntegerFeedbackClassRec;
-
-typedef struct _StringFeedbackClassRec {
-    StringCtrlProcPtr	CtrlProc;
-    StringCtrl	 	ctrl;
-    StringFeedbackPtr	next;
-} StringFeedbackClassRec;
-
-typedef struct _BellFeedbackClassRec {
-    BellProcPtr		BellProc;
-    BellCtrlProcPtr	CtrlProc;
-    BellCtrl	 	ctrl;
-    BellFeedbackPtr	next;
-} BellFeedbackClassRec;
-
-typedef struct _LedFeedbackClassRec {
-    LedCtrlProcPtr	CtrlProc;
-    LedCtrl	 	ctrl;
-    LedFeedbackPtr	next;
-    struct _XkbSrvLedInfo *xkb_sli;
-} LedFeedbackClassRec;
-
-
-typedef struct _ClassesRec {
-    KeyClassPtr		key;
-    ValuatorClassPtr	valuator;
-    ButtonClassPtr	button;
-    FocusClassPtr	focus;
-    ProximityClassPtr	proximity;
-    AbsoluteClassPtr    absolute;
-    KbdFeedbackPtr	kbdfeed;
-    PtrFeedbackPtr	ptrfeed;
-    IntegerFeedbackPtr	intfeed;
-    StringFeedbackPtr	stringfeed;
-    BellFeedbackPtr	bell;
-    LedFeedbackPtr	leds;
-} ClassesRec;
-
-
-/**
- * Sprite information for a device.
- */
-typedef struct {
-    CursorPtr	current;
-    BoxRec	hotLimits;	/* logical constraints of hot spot */
-    Bool	confined;	/* confined to screen */
-    RegionPtr	hotShape;	/* additional logical shape constraint */
-    BoxRec	physLimits;	/* physical constraints of hot spot */
-    WindowPtr	win;		/* window of logical position */
-    HotSpot	hot;		/* logical pointer position */
-    HotSpot	hotPhys;	/* physical pointer position */
-#ifdef PANORAMIX
-    ScreenPtr	screen;		/* all others are in Screen 0 coordinates */
-    RegionRec   Reg1;	        /* Region 1 for confining motion */
-    RegionRec   Reg2;		/* Region 2 for confining virtual motion */
-    WindowPtr   windows[MAXSCREENS];
-    WindowPtr	confineWin;	/* confine window */ 
-#endif
-    /* The window trace information is used at dix/events.c to avoid having
-     * to compute all the windows between the root and the current pointer
-     * window each time a button or key goes down. The grabs on each of those
-     * windows must be checked.
-     * spriteTraces should only be used at dix/events.c! */
-    WindowPtr *spriteTrace;
-    int spriteTraceSize;
-    int spriteTraceGood;
-
-    /* Due to delays between event generation and event processing, it is
-     * possible that the pointer has crossed screen boundaries between the
-     * time in which it begins generating events and the time when
-     * those events are processed.
-     *
-     * pEnqueueScreen: screen the pointer was on when the event was generated
-     * pDequeueScreen: screen the pointer was on when the event is processed
-     */
-    ScreenPtr pEnqueueScreen;
-    ScreenPtr pDequeueScreen;
-
-} SpriteRec, *SpritePtr;
-
-/* Device properties */
-typedef struct _XIPropertyValue
-{
-    Atom                type;           /* ignored by server */
-    short               format;         /* format of data for swapping - 8,16,32 */
-    long                size;           /* size of data in (format/8) bytes */
-    pointer             data;           /* private to client */
-} XIPropertyValueRec;
-
-typedef struct _XIProperty
-{
-    struct _XIProperty   *next;
-    Atom                  propertyName;
-    BOOL                  deletable;    /* clients can delete this prop? */
-    XIPropertyValueRec    value;
-} XIPropertyRec;
-
-typedef XIPropertyRec      *XIPropertyPtr;
-typedef XIPropertyValueRec *XIPropertyValuePtr;
-
-
-typedef struct _XIPropertyHandler
-{
-    struct _XIPropertyHandler* next;
-    long id;
-    int (*SetProperty) (DeviceIntPtr dev,
-                        Atom property,
-                        XIPropertyValuePtr prop,
-                        BOOL checkonly);
-    int (*GetProperty) (DeviceIntPtr dev,
-                        Atom property);
-    int (*DeleteProperty) (DeviceIntPtr dev,
-                           Atom property);
-} XIPropertyHandler, *XIPropertyHandlerPtr;
-
-/* 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 _GrabInfoRec {
-    TimeStamp	    grabTime;
-    Bool            fromPassiveGrab;    /* true if from passive grab */
-    Bool            implicitGrab;       /* implicit from ButtonPress */
-    GrabRec         activeGrab;
-    GrabPtr         grab;
-    CARD8           activatingKey;
-    void	    (*ActivateGrab) (
-                    DeviceIntPtr /*device*/,
-                    GrabPtr /*grab*/,
-                    TimeStamp /*time*/,
-                    Bool /*autoGrab*/);
-    void	    (*DeactivateGrab)(
-                    DeviceIntPtr /*device*/);
-    struct {
-	Bool		frozen;
-	int		state;
-	GrabPtr		other;		/* if other grab has this frozen */
-	DeviceEvent	*event;		/* saved to be replayed */
-    } sync;
-} GrabInfoRec, *GrabInfoPtr;
-
-typedef struct _SpriteInfoRec {
-    /* sprite must always point to a valid sprite. For devices sharing the
-     * sprite, let sprite point to a paired spriteOwner's sprite. */
-    SpritePtr           sprite;      /* sprite information */
-    Bool                spriteOwner; /* True if device owns the sprite */
-    DeviceIntPtr        paired;      /* The paired device. Keyboard if
-                                        spriteOwner is TRUE, otherwise the
-                                        pointer that owns the sprite. */ 
-} SpriteInfoRec, *SpriteInfoPtr;
-
-/* device types */
-#define MASTER_POINTER          1
-#define MASTER_KEYBOARD         2
-#define SLAVE                   3
-
-typedef struct _DeviceIntRec {
-    DeviceRec	public;
-    DeviceIntPtr next;
-    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 */
-    Bool        enabled;                /* TRUE if ON returns Success */
-    Bool        coreEvents;             /* TRUE if device also sends core */
-    GrabInfoRec deviceGrab;             /* grab on the device */
-    int         type;                   /* MASTER_POINTER, MASTER_KEYBOARD, SLAVE */
-    Atom		xinput_type;
-    char		*name;
-    int			id;
-    KeyClassPtr		key;
-    ValuatorClassPtr	valuator;
-    ButtonClassPtr	button;
-    FocusClassPtr	focus;
-    ProximityClassPtr	proximity;
-    AbsoluteClassPtr    absolute;
-    KbdFeedbackPtr	kbdfeed;
-    PtrFeedbackPtr	ptrfeed;
-    IntegerFeedbackPtr	intfeed;
-    StringFeedbackPtr	stringfeed;
-    BellFeedbackPtr	bell;
-    LedFeedbackPtr	leds;
-    struct _XkbInterest *xkb_interest;
-    char                *config_info; /* used by the hotplug layer */
-    ClassesPtr		unused_classes; /* for master devices */
-    int			saved_master_id;	/* for slaves while grabbed */
-    PrivateRec		*devPrivates;
-    DeviceUnwrapProc    unwrapProc;
-    SpriteInfoPtr       spriteInfo;
-    union {
-        DeviceIntPtr        master;     /* master device */
-        DeviceIntPtr        lastSlave;  /* last slave device used */
-    } u;
-
-    /* last valuator values recorded, not posted to client;
-     * for slave devices, valuators is in device coordinates
-     * for master devices, valuators is in screen coordinates
-     * see dix/getevents.c
-     * remainder supports acceleration
-     */
-    struct {
-        int             valuators[MAX_VALUATORS];
-        float           remainder[MAX_VALUATORS];
-        int             numValuators;
-        DeviceIntPtr    slave;
-    } last;
-
-    /* Input device property handling. */
-    struct {
-        XIPropertyPtr   properties;
-        XIPropertyHandlerPtr handlers; /* NULL-terminated */
-    } properties;
-} 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;
-    DeviceIntPtr	all_devices;
-    DeviceIntPtr	all_master_devices;
-} InputInfo;
-
-extern _X_EXPORT InputInfo 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 */
-    InternalEvent	*event;
-} QdEventRec;
-
-/**
- * syncEvents is the global structure for queued events.
- *
- * Devices can be frozen through GrabModeSync pointer grabs. If this is the
- * case, events from these devices are added to "pending" instead of being
- * processed normally. When the device is unfrozen, events in "pending" are
- * replayed and processed as if they would come from the device directly.
- */
-typedef struct _EventSyncInfo {
-    QdEventPtr          pending, /**<  list of queued events */
-                        *pendtail; /**< last event in list */
-    /** The device to replay events for. Only set in AllowEvents(), in which
-     * case it is set to the device specified in the request. */
-    DeviceIntPtr        replayDev;      /* kludgy rock to put flag for */
-
-    /**
-     * The window the events are supposed to be replayed on.
-     * This window may be set to the grab's window (but only when
-     * Replay{Pointer|Keyboard} is given in the XAllowEvents()
-     * request. */
-    WindowPtr           replayWin;      /*   ComputeFreezes            */
-    /**
-     * Flag to indicate whether we're in the process of
-     * replaying events. Only set in ComputeFreezes(). */
-    Bool                playingEvents;
-    TimeStamp           time;
-} EventSyncInfoRec, *EventSyncInfoPtr;
-
-extern EventSyncInfoRec syncEvents;
-
-#endif /* INPUTSTRUCT_H */
+/************************************************************

+

+Copyright 1987, 1998  The Open Group

+

+Permission to use, copy, modify, distribute, and sell this software and its

+documentation for any purpose is hereby granted without fee, provided that

+the above copyright notice appear in all copies and that both that

+copyright notice and this permission notice appear in supporting

+documentation.

+

+The above copyright notice and this permission notice shall be included in

+all copies or substantial portions of the Software.

+

+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE

+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+

+Except as contained in this notice, the name of The Open Group shall not be

+used in advertising or otherwise to promote the sale, use or other dealings

+in this Software without prior written authorization from The Open Group.

+

+

+Copyright 1987 by Digital Equipment Corporation, Maynard, 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 name of Digital 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.

+

+********************************************************/

+

+

+#ifndef INPUTSTRUCT_H

+#define INPUTSTRUCT_H

+

+#include "input.h"

+#include "window.h"

+#include "dixstruct.h"

+#include "cursorstr.h"

+#include "geext.h"

+#include "privates.h"

+

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

+#define SetBit(ptr, bit)  (((BYTE *) (ptr))[(bit)>>3] |= (1 << ((bit) & 7)))

+#define ClearBit(ptr, bit) (((BYTE *)(ptr))[(bit)>>3] &= ~(1 << ((bit) & 7)))

+

+#define SameClient(obj,client) \

+	(CLIENT_BITS((obj)->resource) == (client)->clientAsMask)

+

+#define EMASKSIZE	MAXDEVICES + 2

+

+/* This is the last XI2 event supported by the server. If you add

+ * events to the protocol, the server will not support these events until

+ * this number here is bumped.

+ */

+#define XI2LASTEVENT    17 /* XI_RawMotion */

+#define XI2MASKSIZE     ((XI2LASTEVENT + 7)/8) /* no of bits for masks */

+

+/**

+ * This struct stores the core event mask for each client except the client

+ * that created the window.

+ *

+ * Each window that has events selected from other clients has at least one of

+ * these masks. If multiple clients selected for events on the same window,

+ * these masks are in a linked list.

+ *

+ * The event mask for the client that created the window is stored in

+ * win->eventMask instead.

+ *

+ * The resource id is simply a fake client ID to associate this mask with a

+ * client.

+ *

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

+ */

+typedef struct _OtherClients {

+    OtherClientsPtr	next; /**< Pointer to the next mask */

+    XID			resource; /**< id for putting into resource manager */

+    Mask		mask; /**< Core event mask */

+} OtherClients;

+

+/**

+ * This struct stores the XI event mask for each client.

+ *

+ * Each window that has events selected has at least one of these masks. If

+ * multiple client selected for events on the same window, these masks are in

+ * a linked list.

+ */

+typedef struct _InputClients {

+    InputClientsPtr	next; /**< Pointer to the next mask */

+    XID			resource; /**< id for putting into resource manager */

+    Mask		mask[EMASKSIZE]; /**< Actual XI event mask, deviceid is index */

+    /** XI2 event masks. One per device, each bit is a mask of (1 << type) */

+    unsigned char       xi2mask[EMASKSIZE][XI2MASKSIZE];

+} InputClients;

+

+/**

+ * Combined XI event masks from all devices.

+ *

+ * This is the XI equivalent of the deliverableEvents, eventMask and

+ * dontPropagate mask of the WindowRec (or WindowOptRec).

+ *

+ * A window that has an XI client selecting for events has exactly one

+ * OtherInputMasks struct and exactly one InputClients struct hanging off

+ * inputClients. Each further client appends to the inputClients list.

+ * Each Mask field is per-device, with the device id as the index.

+ * Exception: for non-device events (Presence events), the MAXDEVICES

+ * deviceid is used.

+ */

+typedef struct _OtherInputMasks {

+    /**

+     * Bitwise OR of all masks by all clients and the window's parent's masks.

+     */

+    Mask		deliverableEvents[EMASKSIZE];

+    /**

+     * Bitwise OR of all masks by all clients on this window.

+     */

+    Mask		inputEvents[EMASKSIZE];

+    /** The do-not-propagate masks for each device. */

+    Mask		dontPropagateMask[EMASKSIZE];

+    /** The clients that selected for events */

+    InputClientsPtr	inputClients;

+    /* XI2 event masks. One per device, each bit is a mask of (1 << type) */

+    unsigned char       xi2mask[EMASKSIZE][XI2MASKSIZE];

+} OtherInputMasks;

+

+/*

+ * 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 int        exact;

+    Mask                *pMask;

+} DetailRec;

+

+typedef enum {

+    GRABTYPE_CORE,

+    GRABTYPE_XI,

+    GRABTYPE_XI2

+} GrabType;

+

+union _GrabMask {

+    Mask core;

+    Mask xi;

+    char xi2mask[EMASKSIZE][XI2MASKSIZE];

+};

+

+/**

+ * Central struct for device grabs. 

+ * The same struct is used for both core grabs and device grabs, with

+ * different fields being set. 

+ * If the grab is a core grab (GrabPointer/GrabKeyboard), then the eventMask

+ * is a combination of standard event masks (i.e. PointerMotionMask |

+ * ButtonPressMask).

+ * If the grab is a device grab (GrabDevice), then the eventMask is a

+ * combination of event masks for a given XI event type (see SetEventInfo).

+ *

+ * If the grab is a result of a ButtonPress, then eventMask is the core mask

+ * and deviceMask is set to the XI event mask for the grab.

+ */

+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;

+    GrabType		grabtype;

+    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;

+    Mask                deviceMask;     

+    /* XI2 event masks. One per device, each bit is a mask of (1 << type) */

+    unsigned char       xi2mask[EMASKSIZE][XI2MASKSIZE];

+} GrabRec;

+

+typedef struct _KeyClassRec {

+    int			sourceid;

+    CARD8		down[DOWN_LENGTH];

+    CARD8		postdown[DOWN_LENGTH];

+    int                 modifierKeyCount[8];

+    struct _XkbSrvInfo *xkbInfo;

+} KeyClassRec, *KeyClassPtr;

+

+typedef struct _AxisInfo {

+    int		resolution;

+    int		min_resolution;

+    int		max_resolution;

+    int		min_value;

+    int		max_value;

+    Atom	label;

+} AxisInfo, *AxisInfoPtr;

+

+typedef struct _ValuatorAccelerationRec {

+    int                         number;

+    PointerAccelSchemeProc      AccelSchemeProc;

+    void                       *accelData; /* at disposal of AccelScheme */

+    DeviceCallbackProc          AccelCleanupProc;

+} ValuatorAccelerationRec, *ValuatorAccelerationPtr;

+

+typedef struct _ValuatorClassRec {

+    int                   sourceid;

+    int		 	  numMotionEvents;

+    int                   first_motion;

+    int                   last_motion;

+    void                  *motion; /* motion history buffer. Different layout

+                                      for MDs and SDs!*/

+    WindowPtr             motionHintWindow;

+

+    AxisInfoPtr 	  axes;

+    unsigned short	  numAxes;

+    double		  *axisVal; /* always absolute, but device-coord system */

+    CARD8	 	  mode;

+    ValuatorAccelerationRec	accelScheme;

+} ValuatorClassRec, *ValuatorClassPtr;

+

+typedef struct _ButtonClassRec {

+    int			sourceid;

+    CARD8		numButtons;

+    CARD8		buttonsDown;	/* number of buttons currently down

+                                           This counts logical buttons, not

+					   physical ones, i.e if some buttons

+					   are mapped to 0, they're not counted

+					   here */

+    unsigned short	state;

+    Mask		motionMask;

+    CARD8		down[DOWN_LENGTH];

+    CARD8		postdown[DOWN_LENGTH];

+    CARD8		map[MAP_LENGTH];

+    union _XkbAction    *xkb_acts;

+    Atom		labels[MAX_BUTTONS];

+} ButtonClassRec, *ButtonClassPtr;

+

+typedef struct _FocusClassRec {

+    int		sourceid;

+    WindowPtr	win; /* May be set to a int constant (e.g. PointerRootWin)! */

+    int		revert;

+    TimeStamp	time;

+    WindowPtr	*trace;

+    int		traceSize;

+    int		traceGood;

+} FocusClassRec, *FocusClassPtr;

+

+typedef struct _ProximityClassRec {

+    int		sourceid;

+    char	pad;

+} ProximityClassRec, *ProximityClassPtr;

+

+typedef struct _AbsoluteClassRec {

+    int         sourceid;

+    /* Calibration. */

+    int         min_x;

+    int         max_x;

+    int         min_y;

+    int         max_y;

+    int         flip_x;

+    int         flip_y;

+    int		rotation;

+    int         button_threshold;

+

+    /* Area. */

+    int         offset_x;

+    int         offset_y;

+    int         width;

+    int         height;

+    int         screen;

+    XID		following;

+} AbsoluteClassRec, *AbsoluteClassPtr;

+

+typedef struct _KbdFeedbackClassRec *KbdFeedbackPtr;

+typedef struct _PtrFeedbackClassRec *PtrFeedbackPtr;

+typedef struct _IntegerFeedbackClassRec *IntegerFeedbackPtr;

+typedef struct _StringFeedbackClassRec *StringFeedbackPtr;

+typedef struct _BellFeedbackClassRec *BellFeedbackPtr;

+typedef struct _LedFeedbackClassRec *LedFeedbackPtr;

+

+typedef struct _KbdFeedbackClassRec {

+    BellProcPtr		BellProc;

+    KbdCtrlProcPtr	CtrlProc;

+    KeybdCtrl	 	ctrl;

+    KbdFeedbackPtr	next;

+    struct _XkbSrvLedInfo *xkb_sli;

+} KbdFeedbackClassRec;

+

+typedef struct _PtrFeedbackClassRec {

+    PtrCtrlProcPtr	CtrlProc;

+    PtrCtrl		ctrl;

+    PtrFeedbackPtr	next;

+} PtrFeedbackClassRec;

+

+typedef struct _IntegerFeedbackClassRec {

+    IntegerCtrlProcPtr	CtrlProc;

+    IntegerCtrl	 	ctrl;

+    IntegerFeedbackPtr	next;

+} IntegerFeedbackClassRec;

+

+typedef struct _StringFeedbackClassRec {

+    StringCtrlProcPtr	CtrlProc;

+    StringCtrl	 	ctrl;

+    StringFeedbackPtr	next;

+} StringFeedbackClassRec;

+

+typedef struct _BellFeedbackClassRec {

+    BellProcPtr		BellProc;

+    BellCtrlProcPtr	CtrlProc;

+    BellCtrl	 	ctrl;

+    BellFeedbackPtr	next;

+} BellFeedbackClassRec;

+

+typedef struct _LedFeedbackClassRec {

+    LedCtrlProcPtr	CtrlProc;

+    LedCtrl	 	ctrl;

+    LedFeedbackPtr	next;

+    struct _XkbSrvLedInfo *xkb_sli;

+} LedFeedbackClassRec;

+

+

+typedef struct _ClassesRec {

+    KeyClassPtr		key;

+    ValuatorClassPtr	valuator;

+    ButtonClassPtr	button;

+    FocusClassPtr	focus;

+    ProximityClassPtr	proximity;

+    AbsoluteClassPtr    absolute;

+    KbdFeedbackPtr	kbdfeed;

+    PtrFeedbackPtr	ptrfeed;

+    IntegerFeedbackPtr	intfeed;

+    StringFeedbackPtr	stringfeed;

+    BellFeedbackPtr	bell;

+    LedFeedbackPtr	leds;

+} ClassesRec;

+

+

+/**

+ * Sprite information for a device.

+ */

+typedef struct {

+    CursorPtr	current;

+    BoxRec	hotLimits;	/* logical constraints of hot spot */

+    Bool	confined;	/* confined to screen */

+    RegionPtr	hotShape;	/* additional logical shape constraint */

+    BoxRec	physLimits;	/* physical constraints of hot spot */

+    WindowPtr	win;		/* window of logical position */

+    HotSpot	hot;		/* logical pointer position */

+    HotSpot	hotPhys;	/* physical pointer position */

+#ifdef PANORAMIX

+    ScreenPtr	screen;		/* all others are in Screen 0 coordinates */

+    RegionRec   Reg1;	        /* Region 1 for confining motion */

+    RegionRec   Reg2;		/* Region 2 for confining virtual motion */

+    WindowPtr   windows[MAXSCREENS];

+    WindowPtr	confineWin;	/* confine window */ 

+#endif

+    /* The window trace information is used at dix/events.c to avoid having

+     * to compute all the windows between the root and the current pointer

+     * window each time a button or key goes down. The grabs on each of those

+     * windows must be checked.

+     * spriteTraces should only be used at dix/events.c! */

+    WindowPtr *spriteTrace;

+    int spriteTraceSize;

+    int spriteTraceGood;

+

+    /* Due to delays between event generation and event processing, it is

+     * possible that the pointer has crossed screen boundaries between the

+     * time in which it begins generating events and the time when

+     * those events are processed.

+     *

+     * pEnqueueScreen: screen the pointer was on when the event was generated

+     * pDequeueScreen: screen the pointer was on when the event is processed

+     */

+    ScreenPtr pEnqueueScreen;

+    ScreenPtr pDequeueScreen;

+

+} SpriteRec, *SpritePtr;

+

+/* Device properties */

+typedef struct _XIPropertyValue

+{

+    Atom                type;           /* ignored by server */

+    short               format;         /* format of data for swapping - 8,16,32 */

+    long                size;           /* size of data in (format/8) bytes */

+    pointer             data;           /* private to client */

+} XIPropertyValueRec;

+

+typedef struct _XIProperty

+{

+    struct _XIProperty   *next;

+    Atom                  propertyName;

+    BOOL                  deletable;    /* clients can delete this prop? */

+    XIPropertyValueRec    value;

+} XIPropertyRec;

+

+typedef XIPropertyRec      *XIPropertyPtr;

+typedef XIPropertyValueRec *XIPropertyValuePtr;

+

+

+typedef struct _XIPropertyHandler

+{

+    struct _XIPropertyHandler* next;

+    long id;

+    int (*SetProperty) (DeviceIntPtr dev,

+                        Atom property,

+                        XIPropertyValuePtr prop,

+                        BOOL checkonly);

+    int (*GetProperty) (DeviceIntPtr dev,

+                        Atom property);

+    int (*DeleteProperty) (DeviceIntPtr dev,

+                           Atom property);

+} XIPropertyHandler, *XIPropertyHandlerPtr;

+

+/* 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 _GrabInfoRec {

+    TimeStamp	    grabTime;

+    Bool            fromPassiveGrab;    /* true if from passive grab */

+    Bool            implicitGrab;       /* implicit from ButtonPress */

+    GrabRec         activeGrab;

+    GrabPtr         grab;

+    CARD8           activatingKey;

+    void	    (*ActivateGrab) (

+                    DeviceIntPtr /*device*/,

+                    GrabPtr /*grab*/,

+                    TimeStamp /*time*/,

+                    Bool /*autoGrab*/);

+    void	    (*DeactivateGrab)(

+                    DeviceIntPtr /*device*/);

+    struct {

+	Bool		frozen;

+	int		state;

+	GrabPtr		other;		/* if other grab has this frozen */

+	DeviceEvent	*event;		/* saved to be replayed */

+    } sync;

+} GrabInfoRec, *GrabInfoPtr;

+

+typedef struct _SpriteInfoRec {

+    /* sprite must always point to a valid sprite. For devices sharing the

+     * sprite, let sprite point to a paired spriteOwner's sprite. */

+    SpritePtr           sprite;      /* sprite information */

+    Bool                spriteOwner; /* True if device owns the sprite */

+    DeviceIntPtr        paired;      /* The paired device. Keyboard if

+                                        spriteOwner is TRUE, otherwise the

+                                        pointer that owns the sprite. */ 

+

+    /* keep states for animated cursor */

+    struct {

+        CursorPtr       pCursor;

+        ScreenPtr       pScreen;

+        int             elt;

+        CARD32          time;

+    } anim;

+} SpriteInfoRec, *SpriteInfoPtr;

+

+/* device types */

+#define MASTER_POINTER          1

+#define MASTER_KEYBOARD         2

+#define SLAVE                   3

+

+typedef struct _DeviceIntRec {

+    DeviceRec	public;

+    DeviceIntPtr next;

+    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 */

+    Bool        enabled;                /* TRUE if ON returns Success */

+    Bool        coreEvents;             /* TRUE if device also sends core */

+    GrabInfoRec deviceGrab;             /* grab on the device */

+    int         type;                   /* MASTER_POINTER, MASTER_KEYBOARD, SLAVE */

+    Atom		xinput_type;

+    char		*name;

+    int			id;

+    KeyClassPtr		key;

+    ValuatorClassPtr	valuator;

+    ButtonClassPtr	button;

+    FocusClassPtr	focus;

+    ProximityClassPtr	proximity;

+    AbsoluteClassPtr    absolute;

+    KbdFeedbackPtr	kbdfeed;

+    PtrFeedbackPtr	ptrfeed;

+    IntegerFeedbackPtr	intfeed;

+    StringFeedbackPtr	stringfeed;

+    BellFeedbackPtr	bell;

+    LedFeedbackPtr	leds;

+    struct _XkbInterest *xkb_interest;

+    char                *config_info; /* used by the hotplug layer */

+    ClassesPtr		unused_classes; /* for master devices */

+    int			saved_master_id;	/* for slaves while grabbed */

+    PrivateRec		*devPrivates;

+    DeviceUnwrapProc    unwrapProc;

+    SpriteInfoPtr       spriteInfo;

+    union {

+        DeviceIntPtr        master;     /* master device */

+        DeviceIntPtr        lastSlave;  /* last slave device used */

+    } u;

+

+    /* last valuator values recorded, not posted to client;

+     * for slave devices, valuators is in device coordinates

+     * for master devices, valuators is in screen coordinates

+     * see dix/getevents.c

+     * remainder supports acceleration

+     */

+    struct {

+        int             valuators[MAX_VALUATORS];

+        float           remainder[MAX_VALUATORS];

+        int             numValuators;

+        DeviceIntPtr    slave;

+    } last;

+

+    /* Input device property handling. */

+    struct {

+        XIPropertyPtr   properties;

+        XIPropertyHandlerPtr handlers; /* NULL-terminated */

+    } properties;

+} 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;

+    DeviceIntPtr	all_devices;

+    DeviceIntPtr	all_master_devices;

+} InputInfo;

+

+extern _X_EXPORT InputInfo 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 */

+    InternalEvent	*event;

+} QdEventRec;

+

+/**

+ * syncEvents is the global structure for queued events.

+ *

+ * Devices can be frozen through GrabModeSync pointer grabs. If this is the

+ * case, events from these devices are added to "pending" instead of being

+ * processed normally. When the device is unfrozen, events in "pending" are

+ * replayed and processed as if they would come from the device directly.

+ */

+typedef struct _EventSyncInfo {

+    QdEventPtr          pending, /**<  list of queued events */

+                        *pendtail; /**< last event in list */

+    /** The device to replay events for. Only set in AllowEvents(), in which

+     * case it is set to the device specified in the request. */

+    DeviceIntPtr        replayDev;      /* kludgy rock to put flag for */

+

+    /**

+     * The window the events are supposed to be replayed on.

+     * This window may be set to the grab's window (but only when

+     * Replay{Pointer|Keyboard} is given in the XAllowEvents()

+     * request. */

+    WindowPtr           replayWin;      /*   ComputeFreezes            */

+    /**

+     * Flag to indicate whether we're in the process of

+     * replaying events. Only set in ComputeFreezes(). */

+    Bool                playingEvents;

+    TimeStamp           time;

+} EventSyncInfoRec, *EventSyncInfoPtr;

+

+extern EventSyncInfoRec syncEvents;

+

+#endif /* INPUTSTRUCT_H */