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639 lines
21 KiB
C
639 lines
21 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/**
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* \file SDL_system.h
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*
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* Include file for platform specific SDL API functions
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*/
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#ifndef SDL_system_h_
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#define SDL_system_h_
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#include "SDL_stdinc.h"
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#include "SDL_keyboard.h"
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#include "SDL_render.h"
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#include "SDL_video.h"
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#include "begin_code.h"
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Platform specific functions for Windows */
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#if defined(__WIN32__) || defined(__GDK__)
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typedef void (SDLCALL * SDL_WindowsMessageHook)(void *userdata, void *hWnd, unsigned int message, Uint64 wParam, Sint64 lParam);
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/**
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* Set a callback for every Windows message, run before TranslateMessage().
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*
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* \param callback The SDL_WindowsMessageHook function to call.
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* \param userdata a pointer to pass to every iteration of `callback`
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*
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* \since This function is available since SDL 2.0.4.
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*/
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extern DECLSPEC void SDLCALL SDL_SetWindowsMessageHook(SDL_WindowsMessageHook callback, void *userdata);
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#endif /* defined(__WIN32__) || defined(__GDK__) */
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#if defined(__WIN32__) || defined(__WINGDK__)
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/**
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* Get the D3D9 adapter index that matches the specified display index.
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*
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* The returned adapter index can be passed to `IDirect3D9::CreateDevice` and
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* controls on which monitor a full screen application will appear.
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*
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* \param displayIndex the display index for which to get the D3D9 adapter
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* index
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* \returns the D3D9 adapter index on success or a negative error code on
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* failure; call SDL_GetError() for more information.
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*
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* \since This function is available since SDL 2.0.1.
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*/
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extern DECLSPEC int SDLCALL SDL_Direct3D9GetAdapterIndex( int displayIndex );
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typedef struct IDirect3DDevice9 IDirect3DDevice9;
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/**
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* Get the D3D9 device associated with a renderer.
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*
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* Once you are done using the device, you should release it to avoid a
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* resource leak.
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*
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* \param renderer the renderer from which to get the associated D3D device
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* \returns the D3D9 device associated with given renderer or NULL if it is
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* not a D3D9 renderer; call SDL_GetError() for more information.
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*
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* \since This function is available since SDL 2.0.1.
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*/
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extern DECLSPEC IDirect3DDevice9* SDLCALL SDL_RenderGetD3D9Device(SDL_Renderer * renderer);
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typedef struct ID3D11Device ID3D11Device;
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/**
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* Get the D3D11 device associated with a renderer.
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*
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* Once you are done using the device, you should release it to avoid a
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* resource leak.
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*
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* \param renderer the renderer from which to get the associated D3D11 device
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* \returns the D3D11 device associated with given renderer or NULL if it is
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* not a D3D11 renderer; call SDL_GetError() for more information.
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*
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* \since This function is available since SDL 2.0.16.
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*/
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extern DECLSPEC ID3D11Device* SDLCALL SDL_RenderGetD3D11Device(SDL_Renderer * renderer);
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#endif /* defined(__WIN32__) || defined(__WINGDK__) */
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#if defined(__WIN32__) || defined(__GDK__)
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typedef struct ID3D12Device ID3D12Device;
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/**
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* Get the D3D12 device associated with a renderer.
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*
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* Once you are done using the device, you should release it to avoid a
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* resource leak.
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*
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* \param renderer the renderer from which to get the associated D3D12 device
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* \returns the D3D12 device associated with given renderer or NULL if it is
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* not a D3D12 renderer; call SDL_GetError() for more information.
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*
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* \since This function is available since SDL 2.24.0.
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*/
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extern DECLSPEC ID3D12Device* SDLCALL SDL_RenderGetD3D12Device(SDL_Renderer* renderer);
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#endif /* defined(__WIN32__) || defined(__GDK__) */
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#if defined(__WIN32__) || defined(__WINGDK__)
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/**
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* Get the DXGI Adapter and Output indices for the specified display index.
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*
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* The DXGI Adapter and Output indices can be passed to `EnumAdapters` and
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* `EnumOutputs` respectively to get the objects required to create a DX10 or
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* DX11 device and swap chain.
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*
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* Before SDL 2.0.4 this function did not return a value. Since SDL 2.0.4 it
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* returns an SDL_bool.
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*
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* \param displayIndex the display index for which to get both indices
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* \param adapterIndex a pointer to be filled in with the adapter index
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* \param outputIndex a pointer to be filled in with the output index
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* \returns SDL_TRUE on success or SDL_FALSE on failure; call SDL_GetError()
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* for more information.
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*
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* \since This function is available since SDL 2.0.2.
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*/
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extern DECLSPEC SDL_bool SDLCALL SDL_DXGIGetOutputInfo( int displayIndex, int *adapterIndex, int *outputIndex );
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#endif /* defined(__WIN32__) || defined(__WINGDK__) */
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/* Platform specific functions for Linux */
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#ifdef __LINUX__
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/**
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* Sets the UNIX nice value for a thread.
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*
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* This uses setpriority() if possible, and RealtimeKit if available.
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*
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* \param threadID the Unix thread ID to change priority of.
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* \param priority The new, Unix-specific, priority value.
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* \returns 0 on success, or -1 on error.
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*
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* \since This function is available since SDL 2.0.9.
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*/
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extern DECLSPEC int SDLCALL SDL_LinuxSetThreadPriority(Sint64 threadID, int priority);
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/**
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* Sets the priority (not nice level) and scheduling policy for a thread.
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*
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* This uses setpriority() if possible, and RealtimeKit if available.
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*
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* \param threadID The Unix thread ID to change priority of.
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* \param sdlPriority The new SDL_ThreadPriority value.
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* \param schedPolicy The new scheduling policy (SCHED_FIFO, SCHED_RR,
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* SCHED_OTHER, etc...)
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* \returns 0 on success, or -1 on error.
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*
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* \since This function is available since SDL 2.0.18.
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*/
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extern DECLSPEC int SDLCALL SDL_LinuxSetThreadPriorityAndPolicy(Sint64 threadID, int sdlPriority, int schedPolicy);
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#endif /* __LINUX__ */
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/* Platform specific functions for iOS */
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#ifdef __IPHONEOS__
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#define SDL_iOSSetAnimationCallback(window, interval, callback, callbackParam) SDL_iPhoneSetAnimationCallback(window, interval, callback, callbackParam)
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/**
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* Use this function to set the animation callback on Apple iOS.
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*
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* The function prototype for `callback` is:
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*
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* ```c
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* void callback(void* callbackParam);
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* ```
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*
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* Where its parameter, `callbackParam`, is what was passed as `callbackParam`
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* to SDL_iPhoneSetAnimationCallback().
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*
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* This function is only available on Apple iOS.
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*
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* For more information see:
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* https://github.com/libsdl-org/SDL/blob/main/docs/README-ios.md
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*
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* This functions is also accessible using the macro
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* SDL_iOSSetAnimationCallback() since SDL 2.0.4.
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*
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* \param window the window for which the animation callback should be set
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* \param interval the number of frames after which **callback** will be
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* called
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* \param callback the function to call for every frame.
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* \param callbackParam a pointer that is passed to `callback`.
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* \returns 0 on success or a negative error code on failure; call
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* SDL_GetError() for more information.
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*
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* \since This function is available since SDL 2.0.0.
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*
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* \sa SDL_iPhoneSetEventPump
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*/
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extern DECLSPEC int SDLCALL SDL_iPhoneSetAnimationCallback(SDL_Window * window, int interval, void (SDLCALL *callback)(void*), void *callbackParam);
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#define SDL_iOSSetEventPump(enabled) SDL_iPhoneSetEventPump(enabled)
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/**
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* Use this function to enable or disable the SDL event pump on Apple iOS.
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*
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* This function is only available on Apple iOS.
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*
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* This functions is also accessible using the macro SDL_iOSSetEventPump()
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* since SDL 2.0.4.
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*
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* \param enabled SDL_TRUE to enable the event pump, SDL_FALSE to disable it
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*
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* \since This function is available since SDL 2.0.0.
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*
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* \sa SDL_iPhoneSetAnimationCallback
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*/
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extern DECLSPEC void SDLCALL SDL_iPhoneSetEventPump(SDL_bool enabled);
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#endif /* __IPHONEOS__ */
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/* Platform specific functions for Android */
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#ifdef __ANDROID__
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/**
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* Get the Android Java Native Interface Environment of the current thread.
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*
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* This is the JNIEnv one needs to access the Java virtual machine from native
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* code, and is needed for many Android APIs to be usable from C.
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*
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* The prototype of the function in SDL's code actually declare a void* return
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* type, even if the implementation returns a pointer to a JNIEnv. The
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* rationale being that the SDL headers can avoid including jni.h.
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*
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* \returns a pointer to Java native interface object (JNIEnv) to which the
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* current thread is attached, or 0 on error.
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*
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* \since This function is available since SDL 2.0.0.
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*
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* \sa SDL_AndroidGetActivity
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*/
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extern DECLSPEC void * SDLCALL SDL_AndroidGetJNIEnv(void);
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/**
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* Retrieve the Java instance of the Android activity class.
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*
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* The prototype of the function in SDL's code actually declares a void*
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* return type, even if the implementation returns a jobject. The rationale
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* being that the SDL headers can avoid including jni.h.
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*
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* The jobject returned by the function is a local reference and must be
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* released by the caller. See the PushLocalFrame() and PopLocalFrame() or
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* DeleteLocalRef() functions of the Java native interface:
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*
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* https://docs.oracle.com/javase/1.5.0/docs/guide/jni/spec/functions.html
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*
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* \returns the jobject representing the instance of the Activity class of the
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* Android application, or NULL on error.
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*
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* \since This function is available since SDL 2.0.0.
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*
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* \sa SDL_AndroidGetJNIEnv
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*/
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extern DECLSPEC void * SDLCALL SDL_AndroidGetActivity(void);
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/**
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* Query Android API level of the current device.
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*
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* - API level 31: Android 12
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* - API level 30: Android 11
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* - API level 29: Android 10
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* - API level 28: Android 9
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* - API level 27: Android 8.1
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* - API level 26: Android 8.0
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* - API level 25: Android 7.1
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* - API level 24: Android 7.0
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* - API level 23: Android 6.0
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* - API level 22: Android 5.1
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* - API level 21: Android 5.0
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* - API level 20: Android 4.4W
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* - API level 19: Android 4.4
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* - API level 18: Android 4.3
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* - API level 17: Android 4.2
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* - API level 16: Android 4.1
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* - API level 15: Android 4.0.3
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* - API level 14: Android 4.0
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* - API level 13: Android 3.2
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* - API level 12: Android 3.1
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* - API level 11: Android 3.0
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* - API level 10: Android 2.3.3
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*
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* \returns the Android API level.
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*
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* \since This function is available since SDL 2.0.12.
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*/
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extern DECLSPEC int SDLCALL SDL_GetAndroidSDKVersion(void);
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/**
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* Query if the application is running on Android TV.
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*
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* \returns SDL_TRUE if this is Android TV, SDL_FALSE otherwise.
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*
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* \since This function is available since SDL 2.0.8.
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*/
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extern DECLSPEC SDL_bool SDLCALL SDL_IsAndroidTV(void);
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/**
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* Query if the application is running on a Chromebook.
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*
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* \returns SDL_TRUE if this is a Chromebook, SDL_FALSE otherwise.
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*
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* \since This function is available since SDL 2.0.9.
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*/
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extern DECLSPEC SDL_bool SDLCALL SDL_IsChromebook(void);
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/**
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* Query if the application is running on a Samsung DeX docking station.
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*
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* \returns SDL_TRUE if this is a DeX docking station, SDL_FALSE otherwise.
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*
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* \since This function is available since SDL 2.0.9.
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*/
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extern DECLSPEC SDL_bool SDLCALL SDL_IsDeXMode(void);
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/**
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* Trigger the Android system back button behavior.
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*
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* \since This function is available since SDL 2.0.9.
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*/
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extern DECLSPEC void SDLCALL SDL_AndroidBackButton(void);
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/**
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See the official Android developer guide for more information:
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http://developer.android.com/guide/topics/data/data-storage.html
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*/
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#define SDL_ANDROID_EXTERNAL_STORAGE_READ 0x01
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#define SDL_ANDROID_EXTERNAL_STORAGE_WRITE 0x02
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/**
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* Get the path used for internal storage for this application.
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*
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* This path is unique to your application and cannot be written to by other
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* applications.
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*
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* Your internal storage path is typically:
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* `/data/data/your.app.package/files`.
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*
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* \returns the path used for internal storage or NULL on failure; call
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* SDL_GetError() for more information.
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*
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* \since This function is available since SDL 2.0.0.
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*
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* \sa SDL_AndroidGetExternalStorageState
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*/
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extern DECLSPEC const char * SDLCALL SDL_AndroidGetInternalStoragePath(void);
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/**
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* Get the current state of external storage.
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*
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* The current state of external storage, a bitmask of these values:
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* `SDL_ANDROID_EXTERNAL_STORAGE_READ`, `SDL_ANDROID_EXTERNAL_STORAGE_WRITE`.
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*
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* If external storage is currently unavailable, this will return 0.
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*
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* \returns the current state of external storage on success or 0 on failure;
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* call SDL_GetError() for more information.
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*
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* \since This function is available since SDL 2.0.0.
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*
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* \sa SDL_AndroidGetExternalStoragePath
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*/
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extern DECLSPEC int SDLCALL SDL_AndroidGetExternalStorageState(void);
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/**
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* Get the path used for external storage for this application.
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*
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* This path is unique to your application, but is public and can be written
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* to by other applications.
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*
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* Your external storage path is typically:
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* `/storage/sdcard0/Android/data/your.app.package/files`.
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*
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* \returns the path used for external storage for this application on success
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* or NULL on failure; call SDL_GetError() for more information.
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*
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* \since This function is available since SDL 2.0.0.
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*
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* \sa SDL_AndroidGetExternalStorageState
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*/
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extern DECLSPEC const char * SDLCALL SDL_AndroidGetExternalStoragePath(void);
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/**
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* Request permissions at runtime.
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*
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* This blocks the calling thread until the permission is granted or denied.
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*
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* \param permission The permission to request.
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* \returns SDL_TRUE if the permission was granted, SDL_FALSE otherwise.
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*
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* \since This function is available since SDL 2.0.14.
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*/
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extern DECLSPEC SDL_bool SDLCALL SDL_AndroidRequestPermission(const char *permission);
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/**
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* Shows an Android toast notification.
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*
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* Toasts are a sort of lightweight notification that are unique to Android.
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*
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* https://developer.android.com/guide/topics/ui/notifiers/toasts
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*
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* Shows toast in UI thread.
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*
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* For the `gravity` parameter, choose a value from here, or -1 if you don't
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* have a preference:
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*
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* https://developer.android.com/reference/android/view/Gravity
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*
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* \param message text message to be shown
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* \param duration 0=short, 1=long
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* \param gravity where the notification should appear on the screen.
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* \param xoffset set this parameter only when gravity >=0
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* \param yoffset set this parameter only when gravity >=0
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* \returns 0 if success, -1 if any error occurs.
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*
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* \since This function is available since SDL 2.0.16.
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*/
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extern DECLSPEC int SDLCALL SDL_AndroidShowToast(const char* message, int duration, int gravity, int xoffset, int yoffset);
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/**
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* Send a user command to SDLActivity.
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*
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* Override "boolean onUnhandledMessage(Message msg)" to handle the message.
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*
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* \param command user command that must be greater or equal to 0x8000
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* \param param user parameter
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*
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* \since This function is available since SDL 2.0.22.
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*/
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extern DECLSPEC int SDLCALL SDL_AndroidSendMessage(Uint32 command, int param);
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#endif /* __ANDROID__ */
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/* Platform specific functions for WinRT */
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#ifdef __WINRT__
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/**
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* \brief WinRT / Windows Phone path types
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*/
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typedef enum
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{
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/** \brief The installed app's root directory.
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Files here are likely to be read-only. */
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SDL_WINRT_PATH_INSTALLED_LOCATION,
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/** \brief The app's local data store. Files may be written here */
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SDL_WINRT_PATH_LOCAL_FOLDER,
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/** \brief The app's roaming data store. Unsupported on Windows Phone.
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Files written here may be copied to other machines via a network
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connection.
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*/
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SDL_WINRT_PATH_ROAMING_FOLDER,
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/** \brief The app's temporary data store. Unsupported on Windows Phone.
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Files written here may be deleted at any time. */
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SDL_WINRT_PATH_TEMP_FOLDER
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} SDL_WinRT_Path;
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/**
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* \brief WinRT Device Family
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*/
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typedef enum
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{
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/** \brief Unknown family */
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SDL_WINRT_DEVICEFAMILY_UNKNOWN,
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/** \brief Desktop family*/
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SDL_WINRT_DEVICEFAMILY_DESKTOP,
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/** \brief Mobile family (for example smartphone) */
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SDL_WINRT_DEVICEFAMILY_MOBILE,
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|
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|
/** \brief XBox family */
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SDL_WINRT_DEVICEFAMILY_XBOX,
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} SDL_WinRT_DeviceFamily;
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|
|
|
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/**
|
|
* Retrieve a WinRT defined path on the local file system.
|
|
*
|
|
* Not all paths are available on all versions of Windows. This is especially
|
|
* true on Windows Phone. Check the documentation for the given SDL_WinRT_Path
|
|
* for more information on which path types are supported where.
|
|
*
|
|
* Documentation on most app-specific path types on WinRT can be found on
|
|
* MSDN, at the URL:
|
|
*
|
|
* https://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx
|
|
*
|
|
* \param pathType the type of path to retrieve, one of SDL_WinRT_Path
|
|
* \returns a UCS-2 string (16-bit, wide-char) containing the path, or NULL if
|
|
* the path is not available for any reason; call SDL_GetError() for
|
|
* more information.
|
|
*
|
|
* \since This function is available since SDL 2.0.3.
|
|
*
|
|
* \sa SDL_WinRTGetFSPathUTF8
|
|
*/
|
|
extern DECLSPEC const wchar_t * SDLCALL SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path pathType);
|
|
|
|
/**
|
|
* Retrieve a WinRT defined path on the local file system.
|
|
*
|
|
* Not all paths are available on all versions of Windows. This is especially
|
|
* true on Windows Phone. Check the documentation for the given SDL_WinRT_Path
|
|
* for more information on which path types are supported where.
|
|
*
|
|
* Documentation on most app-specific path types on WinRT can be found on
|
|
* MSDN, at the URL:
|
|
*
|
|
* https://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx
|
|
*
|
|
* \param pathType the type of path to retrieve, one of SDL_WinRT_Path
|
|
* \returns a UTF-8 string (8-bit, multi-byte) containing the path, or NULL if
|
|
* the path is not available for any reason; call SDL_GetError() for
|
|
* more information.
|
|
*
|
|
* \since This function is available since SDL 2.0.3.
|
|
*
|
|
* \sa SDL_WinRTGetFSPathUNICODE
|
|
*/
|
|
extern DECLSPEC const char * SDLCALL SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType);
|
|
|
|
/**
|
|
* Detects the device family of WinRT platform at runtime.
|
|
*
|
|
* \returns a value from the SDL_WinRT_DeviceFamily enum.
|
|
*
|
|
* \since This function is available since SDL 2.0.8.
|
|
*/
|
|
extern DECLSPEC SDL_WinRT_DeviceFamily SDLCALL SDL_WinRTGetDeviceFamily();
|
|
|
|
#endif /* __WINRT__ */
|
|
|
|
/**
|
|
* Query if the current device is a tablet.
|
|
*
|
|
* If SDL can't determine this, it will return SDL_FALSE.
|
|
*
|
|
* \returns SDL_TRUE if the device is a tablet, SDL_FALSE otherwise.
|
|
*
|
|
* \since This function is available since SDL 2.0.9.
|
|
*/
|
|
extern DECLSPEC SDL_bool SDLCALL SDL_IsTablet(void);
|
|
|
|
/* Functions used by iOS application delegates to notify SDL about state changes */
|
|
extern DECLSPEC void SDLCALL SDL_OnApplicationWillTerminate(void);
|
|
extern DECLSPEC void SDLCALL SDL_OnApplicationDidReceiveMemoryWarning(void);
|
|
extern DECLSPEC void SDLCALL SDL_OnApplicationWillResignActive(void);
|
|
extern DECLSPEC void SDLCALL SDL_OnApplicationDidEnterBackground(void);
|
|
extern DECLSPEC void SDLCALL SDL_OnApplicationWillEnterForeground(void);
|
|
extern DECLSPEC void SDLCALL SDL_OnApplicationDidBecomeActive(void);
|
|
#ifdef __IPHONEOS__
|
|
extern DECLSPEC void SDLCALL SDL_OnApplicationDidChangeStatusBarOrientation(void);
|
|
#endif
|
|
|
|
/* Functions used only by GDK */
|
|
#if defined(__GDK__)
|
|
typedef struct XTaskQueueObject *XTaskQueueHandle;
|
|
typedef struct XUser *XUserHandle;
|
|
|
|
/**
|
|
* Gets a reference to the global async task queue handle for GDK,
|
|
* initializing if needed.
|
|
*
|
|
* Once you are done with the task queue, you should call
|
|
* XTaskQueueCloseHandle to reduce the reference count to avoid a resource
|
|
* leak.
|
|
*
|
|
* \param outTaskQueue a pointer to be filled in with task queue handle.
|
|
* \returns 0 if success, -1 if any error occurs.
|
|
*
|
|
* \since This function is available since SDL 2.24.0.
|
|
*/
|
|
extern DECLSPEC int SDLCALL SDL_GDKGetTaskQueue(XTaskQueueHandle * outTaskQueue);
|
|
|
|
/**
|
|
* Gets a reference to the default user handle for GDK.
|
|
*
|
|
* This is effectively a synchronous version of XUserAddAsync, which always
|
|
* prefers the default user and allows a sign-in UI.
|
|
*
|
|
* \param outUserHandle a pointer to be filled in with the default user
|
|
* handle.
|
|
* \returns 0 if success, -1 if any error occurs.
|
|
*
|
|
* \since This function is available since SDL 2.28.0.
|
|
*/
|
|
extern DECLSPEC int SDLCALL SDL_GDKGetDefaultUser(XUserHandle * outUserHandle);
|
|
|
|
#endif
|
|
|
|
/* Ends C function definitions when using C++ */
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#include "close_code.h"
|
|
|
|
#endif /* SDL_system_h_ */
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|