/*
Simple DirectMedia Layer
- Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+ 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
* Include file for SDL touch event handling.
*/
-#ifndef _SDL_touch_h
-#define _SDL_touch_h
+#ifndef SDL_touch_h_
+#define SDL_touch_h_
#include "SDL_stdinc.h"
#include "SDL_error.h"
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;
/* 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 */
*/
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.
*/
#endif
#include "close_code.h"
-#endif /* _SDL_touch_h */
+#endif /* SDL_touch_h_ */
/* vi: set ts=4 sw=4 expandtab: */