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Annotation of XNU/iokit/IOKit/hidsystem/ev_private.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /******************************************************************************
        !            23: 
        !            24:     ev_private.h
        !            25:     Internal defs for the events driver.  The contents of this module
        !            26:     may need to be tweaked slightly from one architecture to the next.
        !            27:     22 May 1992        Mike Paquette at NeXT Computers, Inc.
        !            28:     
        !            29:     Copyright 1992 NeXT, Inc.
        !            30:     
        !            31:     Modified:
        !            32:     
        !            33: 
        !            34: ******************************************************************************/
        !            35: 
        !            36: #ifndef _DEV_EV_PRIVATE_H
        !            37: #define _DEV_EV_PRIVATE_H
        !            38: 
        !            39: #include <IOKit/hidsystem/IOLLEvent.h>
        !            40: 
        !            41: /* Initial cursor position */
        !            42: #define INIT_CURSOR_X          16
        !            43: #define INIT_CURSOR_Y          16
        !            44: 
        !            45: /* Default mouse click time and motion constants */
        !            46: #define        EV_DCLICKTIME   500000000       /* Default nanoseconds for a double-click */
        !            47: #define        EV_DCLICKSPACE  3               /* Default pixel threshold for double-clicks */
        !            48: 
        !            49: /* Default Wait Cursor Timing Constants (in nanoseconds) */
        !            50: #define DefaultWCSustain       300000000       /* 0.3 seconds */       
        !            51: #define DefaultWCFrameRate     75000000        /* 13.3 frames/second */
        !            52: #define DefaultWCThreshold     1200000000ULL   /* 1.2 seconds */
        !            53: 
        !            54: #define EV_STD_CURSOR  0
        !            55: #define EV_WAITCURSOR  1
        !            56: #define EV_WAITCURSOR_1        2
        !            57: #define EV_WAITCURSOR_2        3
        !            58: #define EV_MAXCURSOR   (EV_WAITCURSOR_2)
        !            59: 
        !            60: /* Default dim time is 5 minutes, nanoseconds */
        !            61: #define DAUTODIMPERIOD (1000ULL*1000ULL*1000ULL*60*5)
        !            62: /* Default dim level is one-fourth */
        !            63: #define DDIMBRIGHTNESS (EV_SCREEN_MAX_BRIGHTNESS/4)
        !            64: 
        !            65: 
        !            66: /* Where event numbers start */
        !            67: #define INITEVENTNUM 13
        !            68: #define        NULLEVENTNUM 0          /* The event number that never was */
        !            69: 
        !            70: #define MOVEDEVENTMASK \
        !            71:        (NX_MOUSEMOVEDMASK | NX_LMOUSEDRAGGEDMASK | NX_RMOUSEDRAGGEDMASK )
        !            72: #define COALESCEEVENTMASK \
        !            73:        (MOVEDEVENTMASK | NX_MOUSEEXITEDMASK)
        !            74: #define MOUSEEVENTMASK \
        !            75:        (NX_LMOUSEDOWNMASK|NX_RMOUSEDOWNMASK|NX_LMOUSEUPMASK|NX_RMOUSEUPMASK)
        !            76: #define PRESSUREEVENTMASK \
        !            77:        (NX_LMOUSEDOWNMASK|NX_LMOUSEUPMASK|NX_MOUSEMOVEDMASK|NX_LMOUSEDRAGGEDMASK)
        !            78: 
        !            79: /* Flags which can modify meaning of special volume/brightness keys */
        !            80: #define SPECIALKEYS_MODIFIER_MASK \
        !            81:                        (NX_COMMANDMASK|NX_ALTERNATEMASK|NX_CONTROLMASK)
        !            82: 
        !            83: /* Bits in evg->eventFlags owned by keyboard devices */
        !            84: #define KEYBOARD_FLAGSMASK \
        !            85:         (NX_ALPHASHIFTMASK | NX_SHIFTMASK | NX_CONTROLMASK | NX_ALTERNATEMASK \
        !            86:         | NX_COMMANDMASK | NX_NUMERICPADMASK | NX_HELPMASK)
        !            87: //                                                         | NX_NEXTCTLKEYMASK \
        !            88: //      | NX_NEXTLSHIFTKEYMASK | NX_NEXTRSHIFTKEYMASK | NX_NEXTLCMDKEYMASK \
        !            89: //      | NX_NEXTRCMDKEYMASK | NX_NEXTLALTKEYMASK | NX_NEXTRALTKEYMASK)
        !            90: 
        !            91: /* Some non-zero token to or with screen number */
        !            92: #define SCREENTOKEN 256
        !            93: 
        !            94: /* A macro to report if the event queue is not empty */
        !            95: #define EventsInQueue() \
        !            96:     (eventsOpen && (((EvGlobals*)evg)->LLEHead != ((EvGlobals*)evg)->LLETail))
        !            97: 
        !            98: struct _eventMsg {
        !            99:     mach_msg_header_t h;
        !           100: #ifdef mach3xxx                        // this is not needed anymore?
        !           101:     msg_type_t        t;
        !           102: #endif
        !           103: };
        !           104: 
        !           105: /******************************************************************************
        !           106:     EvScreen
        !           107:     This structure is used by the ev driver.
        !           108:     It holds information about a single screen: how much private shmem it owns,
        !           109:     where its private shmem region starts, its global bounds and four procedure
        !           110:     vectors. This structure is allocated by the ev driver and is filled in
        !           111:     when a driver calls ev_register_screen().
        !           112: ******************************************************************************/
        !           113: 
        !           114: typedef volatile struct _evScreen {
        !           115:     IOGraphicsDevice * instance;/* Driver instance owning this screen. */
        !           116: //  void *shmemPtr;            /* Ptr to private shmem (if non-zero size) */
        !           117: //  int shmemSize;             /* Size of private shmem */
        !           118:     Bounds * bounds;           /* Screen's bounds in device coordinates */
        !           119: } EvScreen;
        !           120: 
        !           121: /*
        !           122:  *     We maintain a queue of EventSrc instances attached to the Event
        !           123:  *     Driver.  These sources are dynamically checked in with the Event
        !           124:  *     Driver.  When the driver is closed (as on Window Server exit) we
        !           125:  *     post a relinquishOwnership:client message to the drivers.
        !           126:  */
        !           127: typedef struct {
        !           128:        IOHIDevice *    eventSrc;
        !           129: } eventSrcInfo;
        !           130: 
        !           131: typedef struct {
        !           132:        eventSrcInfo            info;
        !           133:        queue_chain_t           link;
        !           134: } attachedEventSrc;
        !           135: 
        !           136: // No-op XPR stuff
        !           137: #define xpr_ev_cursor(x, a, b, c, d, e)
        !           138: #define xpr_ev_post(x, a, b, c, d, e)
        !           139: 
        !           140: #endif /* !_DEV_EV_PRIVATE_H */
        !           141: 

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