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| | |
| | | /* |
| | | Simple DirectMedia Layer |
| | | Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org> |
| | | |
| | | This software is provided 'as-is', without any express or implied |
| | | warranty. In no event will the authors be held liable for any damages |
| | | arising from the use of this software. |
| | | |
| | | Permission is granted to anyone to use this software for any purpose, |
| | | including commercial applications, and to alter it and redistribute it |
| | | freely, subject to the following restrictions: |
| | | |
| | | 1. The origin of this software must not be misrepresented; you must not |
| | | claim that you wrote the original software. If you use this software |
| | | in a product, an acknowledgment in the product documentation would be |
| | | appreciated but is not required. |
| | | 2. Altered source versions must be plainly marked as such, and must not be |
| | | misrepresented as being the original software. |
| | | 3. This notice may not be removed or altered from any source distribution. |
| | | */ |
| | | |
| | | /** |
| | | * \file SDL_touch.h |
| | | * |
| | | * Include file for SDL touch event handling. |
| | | */ |
| | | |
| | | #ifndef _SDL_touch_h |
| | | #define _SDL_touch_h |
| | | |
| | | #include "SDL_stdinc.h" |
| | | #include "SDL_error.h" |
| | | #include "SDL_video.h" |
| | | |
| | | #include "begin_code.h" |
| | | /* Set up for C function definitions, even when using C++ */ |
| | | #ifdef __cplusplus |
| | | extern "C" { |
| | | #endif |
| | | |
| | | typedef Sint64 SDL_TouchID; |
| | | typedef Sint64 SDL_FingerID; |
| | | |
| | | typedef struct SDL_Finger |
| | | { |
| | | SDL_FingerID id; |
| | | float x; |
| | | float y; |
| | | float pressure; |
| | | } SDL_Finger; |
| | | |
| | | /* Used as the device ID for mouse events simulated with touch input */ |
| | | #define SDL_TOUCH_MOUSEID ((Uint32)-1) |
| | | |
| | | |
| | | /* Function prototypes */ |
| | | |
| | | /** |
| | | * \brief Get the number of registered touch devices. |
| | | */ |
| | | extern DECLSPEC int SDLCALL SDL_GetNumTouchDevices(void); |
| | | |
| | | /** |
| | | * \brief Get the touch ID with the given index, or 0 if the index is invalid. |
| | | */ |
| | | extern DECLSPEC SDL_TouchID SDLCALL SDL_GetTouchDevice(int index); |
| | | |
| | | /** |
| | | * \brief Get the number of active fingers for a given touch device. |
| | | */ |
| | | extern DECLSPEC int SDLCALL SDL_GetNumTouchFingers(SDL_TouchID touchID); |
| | | |
| | | /** |
| | | * \brief Get the finger object of the given touch, with the given index. |
| | | */ |
| | | extern DECLSPEC SDL_Finger * SDLCALL SDL_GetTouchFinger(SDL_TouchID touchID, int index); |
| | | |
| | | /* Ends C function definitions when using C++ */ |
| | | #ifdef __cplusplus |
| | | } |
| | | #endif |
| | | #include "close_code.h" |
| | | |
| | | #endif /* _SDL_touch_h */ |
| | | |
| | | /* vi: set ts=4 sw=4 expandtab: */ |