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/*
event.h
Copyright 1988, NeXT, Inc.
This file has the client side definition of the event record.
*/
#ifndef EVENT_H
#define EVENT_H
#ifndef DPSFRIENDS_H
#include "dpsfriends.h"
#endif
typedef float NXCoord;
typedef struct _NXPoint { /* point */
NXCoord x, y;
} NXPoint;
typedef struct _NXSize { /* size */
NXCoord width, height;
} NXSize;
/* Event types */
#define NX_NULLEVENT 0 /* internal use */
/* mouse events */
#define NX_LMOUSEDOWN 1 /* left mouse-down event */
#define NX_LMOUSEUP 2 /* left mouse-up event */
#define NX_RMOUSEDOWN 3 /* right mouse-down event */
#define NX_RMOUSEUP 4 /* right mouse-up event */
#define NX_MOUSEMOVED 5 /* mouse-moved event */
#define NX_LMOUSEDRAGGED 6 /* left mouse-dragged event */
#define NX_RMOUSEDRAGGED 7 /* right mouse-dragged event */
#define NX_MOUSEENTERED 8 /* mouse-entered event */
#define NX_MOUSEEXITED 9 /* mouse-exited event */
/* keyboard events */
#define NX_KEYDOWN 10 /* key-down event */
#define NX_KEYUP 11 /* key-up event */
#define NX_FLAGSCHANGED 12 /* flags-changed event */
/* composite events */
#define NX_KITDEFINED 13 /* appkit-defined event */
#define NX_SYSDEFINED 14 /* system-defined event */
#define NX_APPDEFINED 15 /* application-defined event */
#define NX_TIMER 16 /* timer used for tracking */
#define NX_CURSORUPDATE 17 /* cursor tracking event */
#define NX_JOURNALEVENT 18 /* event used by journaling */
#define NX_RESERVEDEVENT4 19 /* reserved event */
#define NX_RESERVEDEVENT5 20 /* reserved event */
#define NX_RESERVEDEVENT6 21 /* reserved event */
#define NX_RESERVEDEVENT7 22 /* reserved event */
#define NX_RESERVEDEVENT8 23 /* reserved event */
#define NX_RESERVEDEVENT9 24 /* reserved event */
#define NX_RESERVEDEVENT10 25 /* reserved event */
#define NX_RESERVEDEVENT11 26 /* reserved event */
#define NX_RESERVEDEVENT12 27 /* reserved event */
#define NX_RESERVEDEVENT13 28 /* reserved event */
#define NX_RESERVEDEVENT14 29 /* reserved event */
#define NX_RESERVEDEVENT15 30 /* reserved event */
#define NX_RESERVEDEVENT16 31 /* reserved event */
#define NX_FIRSTEVENT 0
#define NX_LASTEVENT 18
#define NX_MOUSEDOWN NX_LMOUSEDOWN /* Synonym */
#define NX_MOUSEUP NX_LMOUSEUP /* Synonym */
#define NX_MOUSEDRAGGED NX_LMOUSEDRAGGED /* Synonym */
/* Event masks */
#define NX_NULLEVENTMASK (1 << NX_NULLEVENT) /* a non-event */
#define NX_LMOUSEDOWNMASK (1 << NX_LMOUSEDOWN) /* left mouse-down */
#define NX_LMOUSEUPMASK (1 << NX_LMOUSEUP) /* left mouse-up */
#define NX_RMOUSEDOWNMASK (1 << NX_RMOUSEDOWN) /* right mouse-down */
#define NX_RMOUSEUPMASK (1 << NX_RMOUSEUP) /* right mouse-up */
#define NX_MOUSEMOVEDMASK (1 << NX_MOUSEMOVED) /* mouse-moved */
#define NX_LMOUSEDRAGGEDMASK (1 << NX_LMOUSEDRAGGED) /* left-dragged */
#define NX_RMOUSEDRAGGEDMASK (1 << NX_RMOUSEDRAGGED) /* right-dragged */
#define NX_MOUSEENTEREDMASK (1 << NX_MOUSEENTERED) /* mouse-entered */
#define NX_MOUSEEXITEDMASK (1 << NX_MOUSEEXITED) /* mouse-exited */
#define NX_KEYDOWNMASK (1 << NX_KEYDOWN) /* key-down */
#define NX_KEYUPMASK (1 << NX_KEYUP) /* key-up */
#define NX_FLAGSCHANGEDMASK (1 << NX_FLAGSCHANGED) /* flags-changed */
#define NX_KITDEFINEDMASK (1 << NX_KITDEFINED) /* appkit-defined */
#define NX_APPDEFINEDMASK (1 << NX_APPDEFINED) /* app-defined */
#define NX_SYSDEFINEDMASK (1 << NX_SYSDEFINED) /* system-defined */
#define NX_TIMERMASK (1 << NX_TIMER) /* tracking timer */
#define NX_CURSORUPDATEMASK (1 << NX_CURSORUPDATE) /* cursor tracking */
#define NX_JOURNALEVENTMASK (1 << NX_JOURNALEVENT) /* journaling event */
#define NX_RESERVEDEVENT4MASK (1 << NX_RESERVEDEVENT4) /* reserved event */
#define NX_RESERVEDEVENT5MASK (1 << NX_RESERVEDEVENT5) /* reserved event */
#define NX_RESERVEDEVENT6MASK (1 << NX_RESERVEDEVENT6) /* reserved event */
#define NX_RESERVEDEVENT7MASK (1 << NX_RESERVEDEVENT7) /* reserved event */
#define NX_RESERVEDEVENT8MASK (1 << NX_RESERVEDEVENT8) /* reserved event */
#define NX_RESERVEDEVENT9MASK (1 << NX_RESERVEDEVENT9) /* reserved event */
#define NX_RESERVEDEVENT10MASK (1 << NX_RESERVEDEVENT10) /* reserved event */
#define NX_RESERVEDEVENT11MASK (1 << NX_RESERVEDEVENT11) /* reserved event */
#define NX_RESERVEDEVENT12MASK (1 << NX_RESERVEDEVENT12) /* reserved event */
#define NX_RESERVEDEVENT13MASK (1 << NX_RESERVEDEVENT13) /* reserved event */
#define NX_RESERVEDEVENT14MASK (1 << NX_RESERVEDEVENT14) /* reserved event */
#define NX_RESERVEDEVENT15MASK (1 << NX_RESERVEDEVENT15) /* reserved event */
#define NX_RESERVEDEVENT16MASK (1 << NX_RESERVEDEVENT16) /* reserved event */
#define NX_MOUSEDOWNMASK NX_LMOUSEDOWNMASK /* Synonym */
#define NX_MOUSEUPMASK NX_LMOUSEUPMASK /* Synonym */
#define NX_MOUSEDRAGGEDMASK NX_LMOUSEDRAGGEDMASK /* Synonym */
#define NX_EVENTCODEMASK(type) (1 << (type))
#define NX_ALLEVENTS -1 /* Check for all events */
/* masks for the bits in the flags field */
/* Device-independent bits */
#define NX_ALPHASHIFTMASK (1 << 16) /* if alpha lock is on */
#define NX_SHIFTMASK (1 << 17) /* if shift key is down */
#define NX_CONTROLMASK (1 << 18) /* if control key is down */
#define NX_ALTERNATEMASK (1 << 19) /* if alt key is down */
#define NX_COMMANDMASK (1 << 20) /* if command key is down */
#define NX_NUMERICPADMASK (1 << 21) /* if key on numeric pad */
#define NX_HELPMASK (1 << 22) /* if help key is down */
/* Device-dependent bits */
#define NX_NEXTCTRLKEYMASK (1 << 0) /* control key */
#define NX_NEXTLSHIFTKEYMASK (1 << 1) /* left side shift key */
#define NX_NEXTRSHIFTKEYMASK (1 << 2) /* right side shift key */
#define NX_NEXTLCMDKEYMASK (1 << 3) /* left side command key */
#define NX_NEXTRCMDKEYMASK (1 << 4) /* right side command key */
#define NX_NEXTLALTKEYMASK (1 << 5) /* left side alt key */
#define NX_NEXTRALTKEYMASK (1 << 6) /* right side alt key */
#define NX_STYLUSPROXIMITYMASK (1 << 7) /* if stylus is in proximity
(for tablets) */
#define NX_NONCOALSESCEDMASK (1 << 8) /* event was generated with
event coalescing disabled */
/* click state values
If you have the following event in close succession, the click
field has the indicated value:
Event Click Value Comments
mouse-down 1 Not part of any click yet
mouse-up 1 Aha! A click!
mouse-down 2 Doing a double-click
mouse-up 2 It's finished
mouse-down 3 A triple
mouse-up 3
*/
/* Values for the character set in event.data.key.charSet */
#define NX_ASCIISET 0
#define NX_SYMBOLSET 1
#define NX_DINGBATSSET 2
/* EventData type: defines the data field of an event */
typedef union {
struct { /* For mouse events */
short reserved;
short eventNum; /* unique identifier for this button */
int click; /* click state of this event */
unsigned char pressure; /* pressure value: 0=none, 255=full */
char reserved1;
short reserved2;
} mouse;
struct { /* For key-down and key-up events */
short reserved;
short repeat; /* for key-down: nonzero if really a repeat */
unsigned short charSet; /* character set code */
unsigned short charCode;/* character code in that set */
unsigned short keyCode; /* device-dependent key number */
short keyData; /* device-dependent info */
} key;
struct { /* For mouse-entered and mouse-exited events */
short reserved;
short eventNum; /* unique identifier from mouse down event */
int trackingNum; /* unique identifier from settrackingrect */
int userData; /* uninterpreted integer from settrackingrect */
} tracking;
struct { /* For appkit-defined, sys-defined, and app-defined events */
short reserved;
short subtype; /* event subtype for compound events */
union {
float F[2]; /* for use in compound events */
long L[2]; /* for use in compound events */
short S[4]; /* for use in compound events */
char C[8]; /* for use in compound events */
} misc;
} compound;
} NXEventData;
/* Finally! The event record! */
typedef struct _NXEvent {
int type; /* An event type from above */
NXPoint location; /* Base coordinates in window, from lower-left */
long time; /* vertical intervals since launch */
int flags; /* key state flags */
unsigned int window; /* window number of assigned window */
NXEventData data; /* type-dependent data */
DPSContext ctxt; /* context the event came from */
} NXEvent, *NXEventPtr;
#endif
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.