mirror of https://github.com/encounter/SDL.git
350 lines
12 KiB
C
350 lines
12 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2021 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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#ifdef __WIN32__
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/**
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\brief Set a function that is called for every windows message, before TranslateMessage()
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*/
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typedef void (SDLCALL * SDL_WindowsMessageHook)(void *userdata, void *hWnd, unsigned int message, Uint64 wParam, Sint64 lParam);
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extern DECLSPEC void SDLCALL SDL_SetWindowsMessageHook(SDL_WindowsMessageHook callback, void *userdata);
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/**
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\brief Returns the D3D9 adapter index that matches the specified display index.
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This adapter index can be passed to IDirect3D9::CreateDevice and controls
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on which monitor a full screen application will appear.
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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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\brief Returns the D3D9 device associated with a renderer, or NULL if it's not a D3D9 renderer.
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Once you are done using the device, you should release it to avoid a resource leak.
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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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\brief Returns the D3D11 device associated with a renderer, or NULL if it's not a D3D11 renderer.
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Once you are done using the device, you should release it to avoid a resource leak.
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*/
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extern DECLSPEC ID3D11Device* SDLCALL SDL_RenderGetD3D11Device(SDL_Renderer * renderer);
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/**
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\brief Returns the DXGI Adapter and Output indices for the specified display index.
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These can be passed to EnumAdapters and EnumOutputs respectively to get the objects
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required to create a DX10 or DX11 device and swap chain.
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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 /* __WIN32__ */
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/* Platform specific functions for Linux */
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#ifdef __LINUX__
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/**
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\brief Sets the UNIX nice value for a thread, using setpriority() if possible, and RealtimeKit if available.
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\return 0 on success, or -1 on error.
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*/
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extern DECLSPEC int SDLCALL SDL_LinuxSetThreadPriority(Sint64 threadID, int priority);
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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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extern DECLSPEC int SDLCALL SDL_iPhoneSetAnimationCallback(SDL_Window * window, int interval, void (*callback)(void*), void *callbackParam);
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#define SDL_iOSSetEventPump(enabled) SDL_iPhoneSetEventPump(enabled)
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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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\brief Get the JNI environment for the current thread
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This returns JNIEnv*, but the prototype is void* so we don't need jni.h
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*/
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extern DECLSPEC void * SDLCALL SDL_AndroidGetJNIEnv(void);
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/**
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\brief Get the SDL Activity object for the application
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This returns jobject, but the prototype is void* so we don't need jni.h
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The jobject returned by SDL_AndroidGetActivity is a local reference.
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It is the caller's responsibility to properly release it
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(using env->Push/PopLocalFrame or manually with env->DeleteLocalRef)
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*/
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extern DECLSPEC void * SDLCALL SDL_AndroidGetActivity(void);
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/**
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\brief Return API level of the current device
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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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extern DECLSPEC int SDLCALL SDL_GetAndroidSDKVersion(void);
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/**
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\brief Return true if the application is running on Android TV
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*/
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extern DECLSPEC SDL_bool SDLCALL SDL_IsAndroidTV(void);
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/**
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\brief Return true if the application is running on a Chromebook
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*/
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extern DECLSPEC SDL_bool SDLCALL SDL_IsChromebook(void);
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/**
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\brief Return true is the application is running on a Samsung DeX docking station
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*/
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extern DECLSPEC SDL_bool SDLCALL SDL_IsDeXMode(void);
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/**
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\brief Trigger the Android system back button behavior.
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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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\brief Get the path used for internal storage for this application.
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This path is unique to your application and cannot be written to
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by other applications.
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*/
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extern DECLSPEC const char * SDLCALL SDL_AndroidGetInternalStoragePath(void);
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/**
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\brief Get the current state of external storage, a bitmask of these values:
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SDL_ANDROID_EXTERNAL_STORAGE_READ
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SDL_ANDROID_EXTERNAL_STORAGE_WRITE
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If external storage is currently unavailable, this will return 0.
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*/
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extern DECLSPEC int SDLCALL SDL_AndroidGetExternalStorageState(void);
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/**
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\brief Get the path used for external storage for this application.
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This path is unique to your application, but is public and can be
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written to by other applications.
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*/
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extern DECLSPEC const char * SDLCALL SDL_AndroidGetExternalStoragePath(void);
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/**
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\brief Request permissions at runtime.
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This blocks the calling thread until the permission is granted or
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denied. Returns SDL_TRUE if the permission was granted.
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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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\brief Show android toast notification
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Show toast in UI thread [https://developer.android.com/guide/topics/ui/notifiers/toasts]
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Params description
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message : text message to be shown
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duration : 0 - short [https://developer.android.com/reference/android/widget/Toast#LENGTH_SHORT],
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1 - long [https://developer.android.com/reference/android/widget/Toast#LENGTH_LONG]
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gravity : the location at which the notification should appear on the screen.
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It's an optional parameter. Set -1 if you don't want specify any gravity or
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choose some value from https://developer.android.com/reference/android/view/Gravity
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xOffset : set this parameter only when gravity >=0
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yOffset : set this parameter only when gravity >=0
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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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#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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/** \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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* \brief Retrieves a WinRT defined path on the local file system
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*
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* \note Documentation on most app-specific path types on WinRT
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* can be found on MSDN, at the URL:
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* http://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx
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*
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* \param pathType The type of path to retrieve.
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* \return A UCS-2 string (16-bit, wide-char) containing the path, or NULL
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* if the path is not available for any reason. Not all paths are
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* available on all versions of Windows. This is especially true on
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* Windows Phone. Check the documentation for the given
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* SDL_WinRT_Path for more information on which path types are
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* supported where.
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*/
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extern DECLSPEC const wchar_t * SDLCALL SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path pathType);
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/**
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* \brief Retrieves a WinRT defined path on the local file system
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*
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* \note Documentation on most app-specific path types on WinRT
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* can be found on MSDN, at the URL:
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* http://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx
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*
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* \param pathType The type of path to retrieve.
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* \return A UTF-8 string (8-bit, multi-byte) containing the path, or NULL
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* if the path is not available for any reason. Not all paths are
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* available on all versions of Windows. This is especially true on
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* Windows Phone. Check the documentation for the given
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* SDL_WinRT_Path for more information on which path types are
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* supported where.
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*/
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extern DECLSPEC const char * SDLCALL SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType);
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/**
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* \brief Detects the device family of WinRT plattform on runtime
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*
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* \return Device family
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*/
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extern DECLSPEC SDL_WinRT_DeviceFamily SDLCALL SDL_WinRTGetDeviceFamily();
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#endif /* __WINRT__ */
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/**
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\brief Return true if the current device is a tablet.
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*/
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extern DECLSPEC SDL_bool SDLCALL SDL_IsTablet(void);
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/* Functions used by iOS application delegates to notify SDL about state changes */
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extern DECLSPEC void SDLCALL SDL_OnApplicationWillTerminate(void);
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extern DECLSPEC void SDLCALL SDL_OnApplicationDidReceiveMemoryWarning(void);
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extern DECLSPEC void SDLCALL SDL_OnApplicationWillResignActive(void);
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extern DECLSPEC void SDLCALL SDL_OnApplicationDidEnterBackground(void);
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extern DECLSPEC void SDLCALL SDL_OnApplicationWillEnterForeground(void);
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extern DECLSPEC void SDLCALL SDL_OnApplicationDidBecomeActive(void);
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#ifdef __IPHONEOS__
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extern DECLSPEC void SDLCALL SDL_OnApplicationDidChangeStatusBarOrientation(void);
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#endif
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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}
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#endif
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#include "close_code.h"
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#endif /* SDL_system_h_ */
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/* vi: set ts=4 sw=4 expandtab: */
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