90 lines
1.5 KiB
C
90 lines
1.5 KiB
C
/*
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* Copyright (c) 1992,1993-1995 Argonaut Technologies Limited. All rights reserved.
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*
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* $Id: eventq.h 1.1 1995/06/30 15:43:18 sam Exp $
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* $Locker: $
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*
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* Event queue for mouse and keyboard events - events can be added to queue
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* from both real-mode and protected mode
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*
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* NB: the structures and equates in eventq.inc must match
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*/
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#ifndef _EVENTQ_H_
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#define _EVENTQ_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct dosio_event {
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br_uint_16 type;
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br_uint_16 qualifiers;
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br_uint_32 value_1;
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br_uint_32 value_2;
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} dosio_event;
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/*
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* Event types - matches those in brwap.h
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*/
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enum dosio_event_type {
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DOSIO_EVENT_KEY_DOWN,
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DOSIO_EVENT_KEY_UP,
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/* value_1 == key code */
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DOSIO_EVENT_POINTER1_DOWN,
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DOSIO_EVENT_POINTER1_UP,
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DOSIO_EVENT_POINTER2_DOWN,
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DOSIO_EVENT_POINTER2_UP,
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DOSIO_EVENT_POINTER3_DOWN,
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DOSIO_EVENT_POINTER3_UP,
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/* value_1 == x */
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/* value_2 == y */
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DOSIO_EVENT_POINTER_MOVE,
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/* value_1 == x */
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/* value_2 == y */
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DOSIO_EVENT_MAX
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};
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enum dosio_event_qual {
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DOSIO_QUAL_SHIFT = 1,
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DOSIO_QUAL_CONTROL = 2,
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DOSIO_QUAL_ALT = 4,
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};
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/*
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* An event queue
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*
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*/
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typedef struct dosio_event_queue {
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/*
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* Maximum number of events in buffer
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*/
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br_uint_16 total;
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/*
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* Number of events in queue
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*/
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br_uint_16 count;
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/*
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* Next free slot in which to add an event
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*/
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br_uint_16 head;
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/*
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* Next event slot to remove from queue
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*/
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br_uint_16 tail;
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/*
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* Array of event slots
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*/
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dosio_event slots[1];
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} dosio_event_queue;
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#ifdef __cplusplus
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};
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#endif
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#endif
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