src/events/SDL_mouse_c.h
author Sam Lantinga <slouken@libsdl.org>
Mon, 10 Jul 2006 21:04:37 +0000
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifndef _SDL_mouse_c_h
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#define _SDL_mouse_c_h
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typedef struct SDL_Mouse SDL_Mouse;
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struct SDL_Cursor
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{
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    SDL_Mouse *mouse;
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    SDL_Cursor *next;
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    void *driverdata;
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};
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struct SDL_Mouse
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{
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    /* Create a cursor from a surface */
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    SDL_Cursor *(*CreateCursor) (SDL_Surface * surface, int hot_x, int hot_y);
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    /* Show the specified cursor, or hide if cursor is NULL */
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    int (*ShowCursor) (SDL_Cursor * cursor);
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    /* This is called when a mouse motion event occurs */
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    void (*MoveCursor) (SDL_Cursor * cursor);
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    /* Free a window manager cursor */
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    void (*FreeCursor) (SDL_Cursor * cursor);
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    /* Warp the mouse to (x,y) */
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    void (*WarpMouse) (SDL_Mouse * mouse, SDL_WindowID windowID, int x,
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                       int y);
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    /* Free the mouse when it's time */
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    void (*FreeMouse) (SDL_Mouse * mouse);
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    /* Data common to all mice */
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    SDL_WindowID focus;
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    int x;
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    int y;
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    int xdelta;
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    int ydelta;
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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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    SDL_Cursor *cursors;
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    SDL_Cursor *def_cursor;
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    SDL_Cursor *cur_cursor;
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    SDL_bool cursor_shown;
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    void *driverdata;
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};
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/* Initialize the mouse subsystem */
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extern int SDL_MouseInit(void);
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/* Get the mouse at an index */
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extern SDL_Mouse *SDL_GetMouse(int index);
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/* Add a mouse, possibly reattaching at a particular index (or -1),
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   returning the index of the mouse, or -1 if there was an error.
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 */
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extern int SDL_AddMouse(const SDL_Mouse * mouse, int index);
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/* Remove a mouse at an index, clearing the slot for later */
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extern void SDL_DelMouse(int index);
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/* Clear the button state of a mouse at an index */
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extern void SDL_ResetMouse(int index);
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/* Set the mouse focus window */
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extern void SDL_SetMouseFocus(int index, SDL_WindowID windowID);
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/* Send a mouse motion event for a mouse at an index */
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extern int SDL_SendMouseMotion(int index, int relative, int x, int y);
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/* Send a mouse button event for a mouse at an index */
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extern int SDL_SendMouseButton(int index, Uint8 state, Uint8 button);
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/* Send a mouse wheel event for a mouse at an index */
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extern int SDL_SendMouseWheel(int index, int motion);
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/* Shutdown the mouse subsystem */
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extern void SDL_MouseQuit(void);
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#endif /* _SDL_mouse_c_h */
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/* vi: set ts=4 sw=4 expandtab: */