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Diffstat (limited to 'src/Runtime/Source/event/EventSystemC.h')
| -rw-r--r-- | src/Runtime/Source/event/EventSystemC.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/src/Runtime/Source/event/EventSystemC.h b/src/Runtime/Source/event/EventSystemC.h new file mode 100644 index 00000000..2517eae4 --- /dev/null +++ b/src/Runtime/Source/event/EventSystemC.h @@ -0,0 +1,139 @@ +/**************************************************************************** +** +** 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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