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bearsoft |
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/* |
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SDL - Simple DirectMedia Layer |
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Copyright (C) 1997, 1998, 1999, 2000, 2001 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 Library General Public |
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License as published by the Free Software Foundation; either |
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version 2 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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Library General Public License for more details. |
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You should have received a copy of the GNU Library General Public |
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License along with this library; if not, write to the Free |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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Sam Lantinga |
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slouken@devolution.com |
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*/ |
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#ifdef SAVE_RCSID |
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static char rcsid = |
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"@(#) $Id: SDL_mouse.h,v 1.4.2.6 2001/02/17 01:45:30 hercules Exp $"; |
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#endif |
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/* Include file for SDL mouse event handling */ |
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#ifndef _SDL_mouse_h |
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#define _SDL_mouse_h |
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#include "SDL_types.h" |
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#include "SDL_video.h" |
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#include "begin_code.h" |
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/* Set up for C function definitions, even when using C++ */ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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typedef struct WMcursor WMcursor; /* Implementation dependent */ |
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typedef struct { |
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SDL_Rect area; /* The area of the mouse cursor */ |
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Sint16 hot_x, hot_y; /* The "tip" of the cursor */ |
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Uint8 *data; /* B/W cursor data */ |
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Uint8 *mask; /* B/W cursor mask */ |
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Uint8 *save[2]; /* Place to save cursor area */ |
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WMcursor *wm_cursor; /* Window-manager cursor */ |
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} SDL_Cursor; |
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/* Function prototypes */ |
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/* |
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* Retrieve the current state of the mouse. |
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* The current button state is returned as a button bitmask, which can |
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* be tested using the SDL_BUTTON(X) macros, and x and y are set to the |
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* current mouse cursor position. You can pass NULL for either x or y. |
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*/ |
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extern DECLSPEC Uint8 SDL_GetMouseState(int *x, int *y); |
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/* |
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* Retrieve the current state of the mouse. |
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* The current button state is returned as a button bitmask, which can |
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* be tested using the SDL_BUTTON(X) macros, and x and y are set to the |
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* mouse deltas since the last call to SDL_GetRelativeMouseState(). |
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*/ |
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extern DECLSPEC Uint8 SDL_GetRelativeMouseState(int *x, int *y); |
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/* |
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* Set the position of the mouse cursor (generates a mouse motion event) |
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*/ |
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extern DECLSPEC void SDL_WarpMouse(Uint16 x, Uint16 y); |
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/* |
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* Create a cursor using the specified data and mask (in MSB format). |
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* The cursor width must be a multiple of 8 bits. |
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* |
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* The cursor is created in black and white according to the following: |
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* data mask resulting pixel on screen |
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* 0 1 White |
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* 1 1 Black |
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* 0 0 Transparent |
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* 1 0 Inverted color if possible, black if not. |
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* |
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* Cursors created with this function must be freed with SDL_FreeCursor(). |
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*/ |
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extern DECLSPEC SDL_Cursor *SDL_CreateCursor |
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(Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y); |
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/* |
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* Set the currently active cursor to the specified one. |
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* If the cursor is currently visible, the change will be immediately |
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* represented on the display. |
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*/ |
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extern DECLSPEC void SDL_SetCursor(SDL_Cursor *cursor); |
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/* |
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* Returns the currently active cursor. |
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*/ |
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extern DECLSPEC SDL_Cursor * SDL_GetCursor(void); |
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/* |
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* Deallocates a cursor created with SDL_CreateCursor(). |
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*/ |
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extern DECLSPEC void SDL_FreeCursor(SDL_Cursor *cursor); |
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/* |
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* Toggle whether or not the cursor is shown on the screen. |
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* The cursor start off displayed, but can be turned off. |
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* SDL_ShowCursor() returns 1 if the cursor was being displayed |
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* before the call, or 0 if it was not. You can query the current |
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* state by passing a 'toggle' value of -1. |
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*/ |
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extern DECLSPEC int SDL_ShowCursor(int toggle); |
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/* Used as a mask when testing buttons in buttonstate |
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Button 1: Left mouse button |
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Button 2: Middle mouse button |
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Button 3: Right mouse button |
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*/ |
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#define SDL_BUTTON(X) (SDL_PRESSED<<(X-1)) |
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#define SDL_BUTTON_LEFT 1 |
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#define SDL_BUTTON_MIDDLE 2 |
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#define SDL_BUTTON_RIGHT 3 |
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#define SDL_BUTTON_LMASK SDL_BUTTON(SDL_BUTTON_LEFT) |
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#define SDL_BUTTON_MMASK SDL_BUTTON(SDL_BUTTON_MIDDLE) |
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#define SDL_BUTTON_RMASK SDL_BUTTON(SDL_BUTTON_RIGHT) |
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/* Ends C function definitions when using C++ */ |
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#ifdef __cplusplus |
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} |
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#endif |
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#include "close_code.h" |
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#endif /* _SDL_mouse_h */ |
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