125 lines
2.8 KiB
C
125 lines
2.8 KiB
C
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2011 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_touch.h
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*
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* Include file for SDL touch event handling.
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*/
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#ifndef _SDL_touch_h
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#define _SDL_touch_h
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#include "SDL_stdinc.h"
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#include "SDL_error.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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/* *INDENT-OFF* */
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extern "C" {
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/* *INDENT-ON* */
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#endif
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typedef Sint64 SDL_TouchID;
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typedef Sint64 SDL_FingerID;
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struct SDL_Finger {
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SDL_FingerID id;
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Uint16 x;
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Uint16 y;
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Uint16 pressure;
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Uint16 xdelta;
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Uint16 ydelta;
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Uint16 last_x, last_y,last_pressure; /* the last reported coordinates */
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SDL_bool down;
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};
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typedef struct SDL_Touch SDL_Touch;
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typedef struct SDL_Finger SDL_Finger;
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struct SDL_Touch {
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/* Free the touch when it's time */
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void (*FreeTouch) (SDL_Touch * touch);
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/* data common for tablets */
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float pressure_max, pressure_min;
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float x_max,x_min;
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float y_max,y_min;
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Uint16 xres,yres,pressureres;
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float native_xres,native_yres,native_pressureres;
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float tilt; /* for future use */
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float rotation; /* for future use */
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/* Data common to all touch */
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SDL_TouchID id;
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SDL_Window *focus;
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char *name;
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Uint8 buttonstate;
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SDL_bool relative_mode;
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SDL_bool flush_motion;
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int num_fingers;
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int max_fingers;
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SDL_Finger** fingers;
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void *driverdata;
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};
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/* Function prototypes */
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/**
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* \brief Get the touch object at the given id.
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*
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*
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*/
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extern DECLSPEC SDL_Touch* SDLCALL SDL_GetTouch(SDL_TouchID id);
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/**
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* \brief Get the finger object of the given touch, at the given id.
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*
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*
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*/
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extern
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DECLSPEC SDL_Finger* SDLCALL SDL_GetFinger(SDL_Touch *touch, SDL_FingerID id);
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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/* *INDENT-OFF* */
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}
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/* *INDENT-ON* */
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#endif
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#include "close_code.h"
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#endif /* _SDL_mouse_h */
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/* vi: set ts=4 sw=4 expandtab: */
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