Rev 1 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
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| 1 | pmbaty | 1 | /* |
| 2 | Simple DirectMedia Layer |
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| 8 | pmbaty | 3 | Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org> |
| 1 | pmbaty | 4 | |
| 5 | This software is provided 'as-is', without any express or implied |
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| 6 | warranty. In no event will the authors be held liable for any damages |
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| 7 | arising from the use of this software. |
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| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, |
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| 10 | including commercial applications, and to alter it and redistribute it |
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| 11 | freely, subject to the following restrictions: |
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| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not |
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| 14 | claim that you wrote the original software. If you use this software |
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| 15 | in a product, an acknowledgment in the product documentation would be |
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| 16 | appreciated but is not required. |
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| 17 | 2. Altered source versions must be plainly marked as such, and must not be |
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| 18 | misrepresented as being the original software. |
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| 19 | 3. This notice may not be removed or altered from any source distribution. |
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| 20 | */ |
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| 21 | |||
| 22 | /** |
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| 23 | * \file SDL_touch.h |
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| 24 | * |
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| 25 | * Include file for SDL touch event handling. |
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| 26 | */ |
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| 27 | |||
| 28 | #ifndef SDL_touch_h_ |
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| 29 | #define SDL_touch_h_ |
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| 30 | |||
| 31 | #include "SDL_stdinc.h" |
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| 32 | #include "SDL_error.h" |
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| 33 | #include "SDL_video.h" |
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| 34 | |||
| 35 | #include "begin_code.h" |
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| 36 | /* Set up for C function definitions, even when using C++ */ |
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| 37 | #ifdef __cplusplus |
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| 38 | extern "C" { |
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| 39 | #endif |
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| 40 | |||
| 41 | typedef Sint64 SDL_TouchID; |
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| 42 | typedef Sint64 SDL_FingerID; |
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| 43 | |||
| 44 | typedef struct SDL_Finger |
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| 45 | { |
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| 46 | SDL_FingerID id; |
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| 47 | float x; |
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| 48 | float y; |
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| 49 | float pressure; |
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| 50 | } SDL_Finger; |
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| 51 | |||
| 52 | /* Used as the device ID for mouse events simulated with touch input */ |
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| 53 | #define SDL_TOUCH_MOUSEID ((Uint32)-1) |
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| 54 | |||
| 55 | |||
| 56 | /* Function prototypes */ |
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| 57 | |||
| 58 | /** |
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| 59 | * \brief Get the number of registered touch devices. |
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| 60 | */ |
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| 61 | extern DECLSPEC int SDLCALL SDL_GetNumTouchDevices(void); |
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| 62 | |||
| 63 | /** |
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| 64 | * \brief Get the touch ID with the given index, or 0 if the index is invalid. |
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| 65 | */ |
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| 66 | extern DECLSPEC SDL_TouchID SDLCALL SDL_GetTouchDevice(int index); |
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| 67 | |||
| 68 | /** |
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| 69 | * \brief Get the number of active fingers for a given touch device. |
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| 70 | */ |
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| 71 | extern DECLSPEC int SDLCALL SDL_GetNumTouchFingers(SDL_TouchID touchID); |
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| 72 | |||
| 73 | /** |
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| 74 | * \brief Get the finger object of the given touch, with the given index. |
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| 75 | */ |
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| 76 | extern DECLSPEC SDL_Finger * SDLCALL SDL_GetTouchFinger(SDL_TouchID touchID, int index); |
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| 77 | |||
| 78 | /* Ends C function definitions when using C++ */ |
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| 79 | #ifdef __cplusplus |
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| 80 | } |
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| 81 | #endif |
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| 82 | #include "close_code.h" |
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| 83 | |||
| 84 | #endif /* SDL_touch_h_ */ |
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| 85 | |||
| 86 | /* vi: set ts=4 sw=4 expandtab: */ |