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/******************************************************************************
ev_types.h
Data types for the events status driver.
This file contains public API.
mpaque 11Oct91
Copyright 1991 NeXT Computer, Inc.
Modified:
******************************************************************************/
#ifndef _DEV_EV_TYPES_
#define _DEV_EV_TYPES_
#import <mach/boolean.h>
/* Maximum length of SetMouseScaling arrays */
#define NX_MAXMOUSESCALINGS 20
typedef struct evsioKeymapping /* Match old struct names in kernel */
{
int size;
char *mapping;
} NXKeyMapping;
typedef struct evsioMouseScaling /* Match old struct names in kernel */
{
int numScaleLevels;
short scaleThresholds[NX_MAXMOUSESCALINGS];
short scaleFactors[NX_MAXMOUSESCALINGS];
} NXMouseScaling;
typedef enum {
NX_OneButton,
NX_LeftButton,
NX_RightButton
} NXMouseButton;
/*
* NXEventSystemInfo() information structures. These are designed to
* allow for expansion.
*
* The current implementation of NXEventSystemInfo() uses an ioctl call.
* THIS WILL CHANGE.
*/
/*
* Generic query max size and typedefs.
*
* The maximum size is selected to support anticipated future extensions
* of request flavors. Certain flavors planned for future releases may
* require roughtly 800 ints to represent. We allow a little extra, in
* case further growth is needed.
*/
typedef int *NXEventSystemInfoType;
#define NX_EVS_INFO_MAX (1024) /* Max array size */
typedef int NXEventSystemInfoData[NX_EVS_INFO_MAX];
/* Event System Devices query */
#define NX_EVS_DEVICE_MAX 16
/* Interface types */
#define NX_EVS_DEVICE_INTERFACE_OTHER 0
#define NX_EVS_DEVICE_INTERFACE_NeXT 1 /* NeXT custom, in older sys*/
#define NX_EVS_DEVICE_INTERFACE_ADB 2 /* NeXT/fruit keybds/mice*/
#define NX_EVS_DEVICE_INTERFACE_ACE 3 /* For x86 PC keyboards*/
#define NX_EVS_DEVICE_INTERFACE_SERIAL_ACE 4 /* For PC serial mice */
#define NX_EVS_DEVICE_INTERFACE_BUS_ACE 5 /* For PC bus mice */
#define NX_EVS_DEVICE_INTERFACE_HIL 6 /* For HIL hp keyboard */
#define NX_EVS_DEVICE_INTERFACE_TYPE5 7 /* For Sun Type5 keyboard*/
/*
* Note! if any new interface types are added above, the following
* definition of the number of interfaces supported must reflect this.
* This is used in the libkeymap project (storemap.c module) which needs
* to be cognizant of the number of new devices coming online
* via support for heterogeneous architecture platforms.
* e.g., PCs, HP's HIL, Sun's Type5 keyboard,...
*/
#define NUM_SUPPORTED_INTERFACES (NX_EVS_DEVICE_INTERFACE_TYPE5 + 1)
/* Other, NeXT, ADB, ACE,...*/
/* Device types */
#define NX_EVS_DEVICE_TYPE_OTHER 0
#define NX_EVS_DEVICE_TYPE_KEYBOARD 1
#define NX_EVS_DEVICE_TYPE_MOUSE 2 /* Relative position devices*/
#define NX_EVS_DEVICE_TYPE_TABLET 3 /* Absolute position devices*/
typedef struct {
int interface; /* NeXT, ADB, other */
int interface_addr; /* Device address on the interface */
int dev_type; /* Keyboard, mouse, tablet, other */
int id; /* manufacturer's device handler ID */
} NXEventSystemDevice;
typedef struct {
NXEventSystemDevice dev[NX_EVS_DEVICE_MAX];
} NXEventSystemDeviceList;
#define __OLD_NX_EVS_DEVICE_INFO 1
#define NX_EVS_DEVICE_INFO "Evs_EventDeviceInfo"
#define NX_EVS_DEVICE_INFO_COUNT \
(sizeof (NXEventSystemDeviceList) / sizeof (int))
/*
* Multiprocessor locks used within the shared memory area between the
* kernel and event system. These must work in both user and kernel mode.
*
* These routines are public, for the purpose of writing frame buffer device
* drivers which handle their own cursors. Certain architectures define a
* generic display class which handles cursor drawing and is subclassed by
* driver writers. These drivers need not be concerned with the following
* types and definitions.
*
* The ev_lock(), ev_unlock(), and ev_try_lock() functions are available only
* to drivers built in or dynamically loaded into the kernel, and to DPS
* drivers built in or dynamically loaded into the Window Server. They do not
* exist in any shared library.
*/
#ifdef hppa
/*
** On HPPA, the load&clear command is used for semaphores. This command
** requires that the address referenced be 16 byte aligned. Therefore,
** make ev_lock_data_t an array of 4 words so that we are sure to have an
** aligned word to use.
*/
typedef volatile struct {
int lock[4]; /* 4 words so that we have one aligned to 16 bytes! */
} ev_lock_data_t;
typedef ev_lock_data_t *ev_lock_t;
#define ev_init_lock(x) (*((volatile int *)(((int)(x) + 0x0c) & ~0x0f)) = 1)
#define ev_is_locked(x) (*((volatile int *)(((int)(x) + 0x0c) & ~0x0f)) == 0)
#else /* hppa */
typedef volatile int ev_lock_data_t;
typedef ev_lock_data_t *ev_lock_t;
#define ev_init_lock(l) (*(l) = (ev_lock_data_t)0)
#define ev_is_locked(l) (*(l) != (ev_lock_data_t)0)
#endif /* hppa */
extern void ev_lock(ev_lock_t l); /* Spin lock!*/
extern void ev_unlock(ev_lock_t l);
extern boolean_t ev_try_lock(ev_lock_t l);
/* The following typedefs are defined here for compatibility with PostScript */
#if !defined(__Point__) && !defined(BINTREE_H)
#define __Point__
typedef struct { short x, y; } Point;
#endif
#if !defined(__Bounds__) && !defined(BINTREE_H)
#define __Bounds__
typedef struct { short minx, maxx, miny, maxy; } Bounds;
#endif
/*
* Types used in evScreen protocol compliant operations.
*/
typedef enum {EVNOP, EVHIDE, EVSHOW, EVMOVE, EVLEVEL} EvCmd; /* Cursor state */
#define EV_SCREEN_MIN_BRIGHTNESS 0
#define EV_SCREEN_MAX_BRIGHTNESS 64
/* Scale should lie between MIN_BRIGHTNESS and MAX_BRIGHTNESS */
#define EV_SCALE_BRIGHTNESS( scale, datum ) \
((((unsigned long)(datum))*((unsigned long)scale)) >> 6)
/*
* Definition of a tick, as a time in milliseconds. This controls how
* often the event system periodic jobs are run. All actual tick times
* are derived from the nanosecond timer. These values are typically used
* as part of computing mouse velocity for acceleration purposes.
*/
#define EV_TICK_TIME 16 /* 16 milliseconds */
#define EV_TICKS_PER_SEC (1000/EV_TICK_TIME) /* ~ 62 Hz */
#define EV_NS_TO_TICK(ns) ((ns)>>24)
#define EV_TICK_TO_NS(tick) (((ns_time_t)(tick))<<24)
/* Mouse Button bits, as passed from an EventSrc to the Event Driver */
#define EV_RB (0x01)
#define EV_LB (0x04)
#define EV_MOUSEBUTTONMASK (EV_LB | EV_RB)
/* Tablet Pressure Constants, as passed from an EventSrc to the Event Driver */
#define EV_MINPRESSURE 0
#define EV_MAXPRESSURE 255
/* Cursor size in pixels */
#define EV_CURSOR_WIDTH 16
#define EV_CURSOR_HEIGHT 16
#endif /* _DEV_EV_TYPES_ */
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.