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SDL_mouse_c.h
130 lines (96 loc) · 3.76 KB
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SDL_mouse_c.h
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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.
*/
#include "../SDL_internal.h"
#ifndef _SDL_mouse_c_h
#define _SDL_mouse_c_h
#include "SDL_mouse.h"
typedef Uint32 SDL_MouseID;
struct SDL_Cursor
{
struct SDL_Cursor *next;
void *driverdata;
};
typedef struct
{
int last_x, last_y;
Uint32 last_timestamp;
Uint8 click_count;
} SDL_MouseClickState;
typedef struct
{
/* Create a cursor from a surface */
SDL_Cursor *(*CreateCursor) (SDL_Surface * surface, int hot_x, int hot_y);
/* Create a system cursor */
SDL_Cursor *(*CreateSystemCursor) (SDL_SystemCursor id);
/* Show the specified cursor, or hide if cursor is NULL */
int (*ShowCursor) (SDL_Cursor * cursor);
/* This is called when a mouse motion event occurs */
void (*MoveCursor) (SDL_Cursor * cursor);
/* Free a window manager cursor */
void (*FreeCursor) (SDL_Cursor * cursor);
/* Warp the mouse to (x,y) within a window */
void (*WarpMouse) (SDL_Window * window, int x, int y);
/* Warp the mouse to (x,y) in screen space */
void (*WarpMouseGlobal) (int x, int y);
/* Set relative mode */
int (*SetRelativeMouseMode) (SDL_bool enabled);
/* Set mouse capture */
int (*CaptureMouse) (SDL_Window * window);
/* Get absolute mouse coordinates. (x) and (y) are never NULL and set to zero before call. */
Uint32 (*GetGlobalMouseState) (int *x, int *y);
/* Data common to all mice */
SDL_MouseID mouseID;
SDL_Window *focus;
int x;
int y;
int xdelta;
int ydelta;
int last_x, last_y; /* the last reported x and y coordinates */
Uint32 buttonstate;
SDL_bool relative_mode;
SDL_bool relative_mode_warp;
/* Data for double-click tracking */
int num_clickstates;
SDL_MouseClickState *clickstate;
SDL_Cursor *cursors;
SDL_Cursor *def_cursor;
SDL_Cursor *cur_cursor;
SDL_bool cursor_shown;
/* Driver-dependent data. */
void *driverdata;
} SDL_Mouse;
/* Initialize the mouse subsystem */
extern int SDL_MouseInit(void);
/* Get the mouse state structure */
SDL_Mouse *SDL_GetMouse(void);
/* Set the default double-click interval */
extern void SDL_SetDoubleClickTime(Uint32 interval);
/* Set the default mouse cursor */
extern void SDL_SetDefaultCursor(SDL_Cursor * cursor);
/* Set the mouse focus window */
extern void SDL_SetMouseFocus(SDL_Window * window);
/* Send a mouse motion event */
extern int SDL_SendMouseMotion(SDL_Window * window, SDL_MouseID mouseID, int relative, int x, int y);
/* Send a mouse button event */
extern int SDL_SendMouseButton(SDL_Window * window, SDL_MouseID mouseID, Uint8 state, Uint8 button);
/* Send a mouse wheel event */
extern int SDL_SendMouseWheel(SDL_Window * window, SDL_MouseID mouseID, int x, int y, SDL_MouseWheelDirection direction);
/* Shutdown the mouse subsystem */
extern void SDL_MouseQuit(void);
#endif /* _SDL_mouse_c_h */
/* vi: set ts=4 sw=4 expandtab: */