Mercurial > sdl-ios-xcode
diff include/SDL_mouse.h @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
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date | Thu, 26 Apr 2001 16:45:43 +0000 |
parents | |
children | b8688cfdc232 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/include/SDL_mouse.h Thu Apr 26 16:45:43 2001 +0000 @@ -0,0 +1,136 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + slouken@devolution.com +*/ + +#ifdef SAVE_RCSID +static char rcsid = + "@(#) $Id$"; +#endif + +/* Include file for SDL mouse event handling */ + +#ifndef _SDL_mouse_h +#define _SDL_mouse_h + +#include "SDL_types.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 struct WMcursor WMcursor; /* Implementation dependent */ +typedef struct { + SDL_Rect area; /* The area of the mouse cursor */ + Sint16 hot_x, hot_y; /* The "tip" of the cursor */ + Uint8 *data; /* B/W cursor data */ + Uint8 *mask; /* B/W cursor mask */ + Uint8 *save[2]; /* Place to save cursor area */ + WMcursor *wm_cursor; /* Window-manager cursor */ +} SDL_Cursor; + +/* Function prototypes */ +/* + * Retrieve the current state of the mouse. + * The current button state is returned as a button bitmask, which can + * be tested using the SDL_BUTTON(X) macros, and x and y are set to the + * current mouse cursor position. You can pass NULL for either x or y. + */ +extern DECLSPEC Uint8 SDL_GetMouseState(int *x, int *y); + +/* + * Retrieve the current state of the mouse. + * The current button state is returned as a button bitmask, which can + * be tested using the SDL_BUTTON(X) macros, and x and y are set to the + * mouse deltas since the last call to SDL_GetRelativeMouseState(). + */ +extern DECLSPEC Uint8 SDL_GetRelativeMouseState(int *x, int *y); + +/* + * Set the position of the mouse cursor (generates a mouse motion event) + */ +extern DECLSPEC void SDL_WarpMouse(Uint16 x, Uint16 y); + +/* + * Create a cursor using the specified data and mask (in MSB format). + * The cursor width must be a multiple of 8 bits. + * + * The cursor is created in black and white according to the following: + * data mask resulting pixel on screen + * 0 1 White + * 1 1 Black + * 0 0 Transparent + * 1 0 Inverted color if possible, black if not. + * + * Cursors created with this function must be freed with SDL_FreeCursor(). + */ +extern DECLSPEC SDL_Cursor *SDL_CreateCursor + (Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y); + +/* + * Set the currently active cursor to the specified one. + * If the cursor is currently visible, the change will be immediately + * represented on the display. + */ +extern DECLSPEC void SDL_SetCursor(SDL_Cursor *cursor); + +/* + * Returns the currently active cursor. + */ +extern DECLSPEC SDL_Cursor * SDL_GetCursor(void); + +/* + * Deallocates a cursor created with SDL_CreateCursor(). + */ +extern DECLSPEC void SDL_FreeCursor(SDL_Cursor *cursor); + +/* + * Toggle whether or not the cursor is shown on the screen. + * The cursor start off displayed, but can be turned off. + * SDL_ShowCursor() returns 1 if the cursor was being displayed + * before the call, or 0 if it was not. You can query the current + * state by passing a 'toggle' value of -1. + */ +extern DECLSPEC int SDL_ShowCursor(int toggle); + +/* Used as a mask when testing buttons in buttonstate + Button 1: Left mouse button + Button 2: Middle mouse button + Button 3: Right mouse button + */ +#define SDL_BUTTON(X) (SDL_PRESSED<<(X-1)) +#define SDL_BUTTON_LEFT 1 +#define SDL_BUTTON_MIDDLE 2 +#define SDL_BUTTON_RIGHT 3 +#define SDL_BUTTON_LMASK SDL_BUTTON(SDL_BUTTON_LEFT) +#define SDL_BUTTON_MMASK SDL_BUTTON(SDL_BUTTON_MIDDLE) +#define SDL_BUTTON_RMASK SDL_BUTTON(SDL_BUTTON_RIGHT) + + +/* Ends C function definitions when using C++ */ +#ifdef __cplusplus +} +#endif +#include "close_code.h" + +#endif /* _SDL_mouse_h */