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/****************************************************************************
**
** Copyright (C) 2013 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3DS_EVENT_SYSTEM_C_H
#define QT3DS_EVENT_SYSTEM_C_H
#include <stddef.h> //size_t
// Interface we expect plugins to use in order to interace with the event system.
// This interface is design to avoid using c++ vtables and the C++ abi isn't stable
// across compilers.
#ifdef _cplusplus
extern "C" {
#endif
// Obnoxious long names to void namespace conflicts
enum QT3DSEventSystemEventTypes {
QT3DSEventSystemEventTypesNoData = 0,
QT3DSEventSystemEventTypesString = 1,
QT3DSEventSystemEventTypesNumber = 2,
};
typedef const char *Qt3DSEventSystemStr;
typedef struct _Qt3DSEventSystemEventValue
{
QT3DSEventSystemEventTypes m_Type;
double m_Number;
Qt3DSEventSystemStr m_String;
} Qt3DSEventSystemEventValue;
typedef struct _Qt3DSEventSystemRegisteredStr
{
Qt3DSEventSystemStr m_Data;
} Qt3DSEventSystemRegisteredStr;
typedef struct _Qt3DSEventSystemEventData
{
Qt3DSEventSystemRegisteredStr m_Name;
Qt3DSEventSystemEventValue m_Value;
} Qt3DSEventSystemEventData;
typedef struct _Qt3DSEventSystemEvent
{
Qt3DSEventSystemEventData *m_Data; // contiguous block of event data.
int m_NumData;
} Qt3DSEventSystemEvent;
typedef Qt3DSEventSystemEvent *(*Qt3DSEventSystemEventFactoryCreateEventFn)(void *inFactory,
int numData);
typedef size_t (*Qt3DSEventSystemEventFactoryMaxNumEventDataFn)(void *inFactory);
typedef size_t (*Qt3DSEventSystemEventFactoryMaxStrLenFn)(void *inFactory);
typedef Qt3DSEventSystemRegisteredStr (*Qt3DSEventSystemEventFactoryRegisterStrFn)(
void *inFactory, Qt3DSEventSystemStr inStr);
typedef Qt3DSEventSystemStr (*Qt3DSEventSystemEventFactoryAllocateStrFn)(void *inFactory,
Qt3DSEventSystemStr inStr);
typedef Qt3DSEventSystemStr (*Qt3DSEventSystemEventFactoryAllocateStrLenFn)(void *inFactory, int len);
// Factory from the provider's perspective.
typedef struct _Qt3DSEventSystemEventFactory
{
void *m_Factory;
Qt3DSEventSystemEventFactoryCreateEventFn createEvent;
Qt3DSEventSystemEventFactoryMaxNumEventDataFn getMaxNumEventData;
Qt3DSEventSystemEventFactoryMaxStrLenFn getMaxStrLength;
Qt3DSEventSystemEventFactoryRegisterStrFn registerStr;
Qt3DSEventSystemEventFactoryAllocateStrFn allocateStr;
Qt3DSEventSystemEventFactoryAllocateStrLenFn allocateStrLen;
} Qt3DSEventSystemEventFactory;
typedef size_t (*Qt3DSEventSystemProviderGetNextEventsFn)(void *inProvider,
Qt3DSEventSystemEventFactory inFactory,
Qt3DSEventSystemEvent **outBuffer,
size_t outBufLen);
typedef void (*Qt3DSEventSystemProviderReleaseFn)(void *inProvider);
typedef struct _Qt3DSEventSystemEventProvider
{
void *m_Provider;
Qt3DSEventSystemProviderGetNextEventsFn getNextEvents;
Qt3DSEventSystemProviderReleaseFn release;
} Qt3DSEventSystemEventProvider;
typedef void (*Qt3DSEventSystemPollerAddProviderFn)(void *inPoller,
Qt3DSEventSystemEventProvider inProvider);
typedef void (*Qt3DSEventSystemPollerRemoveProviderFn)(void *inPoller,
Qt3DSEventSystemEventProvider inProvider);
typedef int (*Qt3DSEventSystemPollerignoreProviderFn)(void *inPoller,
Qt3DSEventSystemEventProvider inProvider);
typedef int (*Qt3DSEventSystemPolleractivateProviderFn)(void *inPoller,
Qt3DSEventSystemEventProvider inProvider);
typedef struct _Qt3DSEventSystemEventPoller
{
void *m_Poller;
// Providers, once added, will be released by the event poller unless removed
Qt3DSEventSystemPollerAddProviderFn addProvider;
// Callers are responsible for releasing removed providers.
Qt3DSEventSystemPollerRemoveProviderFn removeProvider;
Qt3DSEventSystemPollerignoreProviderFn ignoreProvider;
Qt3DSEventSystemPolleractivateProviderFn activateProvider;
} Qt3DSEventSystemEventPoller;
extern const char *PROVIDER_TABLE_ENTRY;
extern const char *POLLER_TABLE_ENTRY;
#ifdef _cplusplus
}
#endif
#endif
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