mirror of
https://git.do.srb2.org/STJr/SRB2.git
synced 2024-12-21 02:10:39 +00:00
102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
/*
|
|
Simple DirectMedia Layer
|
|
Copyright (C) 1997-2019 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 enum
|
|
{
|
|
SDL_TOUCH_DEVICE_INVALID = -1,
|
|
SDL_TOUCH_DEVICE_DIRECT, /* touch screen with window-relative coordinates */
|
|
SDL_TOUCH_DEVICE_INDIRECT_ABSOLUTE, /* trackpad with absolute device coordinates */
|
|
SDL_TOUCH_DEVICE_INDIRECT_RELATIVE /* trackpad with screen cursor-relative coordinates */
|
|
} SDL_TouchDeviceType;
|
|
|
|
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)
|
|
|
|
/* Used as the SDL_TouchID for touch events simulated with mouse input */
|
|
#define SDL_MOUSE_TOUCHID ((Sint64)-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 type of the given touch device.
|
|
*/
|
|
extern DECLSPEC SDL_TouchDeviceType SDLCALL SDL_GetTouchDeviceType(SDL_TouchID touchID);
|
|
|
|
/**
|
|
* \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: */
|