| 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: SDL_mouse.h,v 1.2 2001/04/26 16:50:17 hercules Exp $"; |
| #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 */ |