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| Rev | Author | Line No. | Line |
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| 5131 | clevermous | 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
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| 3 | Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
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| 4 | |||
| 5 | This library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Library General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2 of the License, or (at your option) any later version. |
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| 9 | |||
| 10 | This library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Library General Public License for more details. |
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| 14 | |||
| 15 | You should have received a copy of the GNU Library General Public |
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| 16 | License along with this library; if not, write to the Free |
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| 17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 18 | |||
| 19 | Sam Lantinga |
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| 20 | slouken@devolution.com |
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| 21 | */ |
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| 22 | |||
| 23 | #ifdef SAVE_RCSID |
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| 24 | static char rcsid = |
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| 25 | "@(#) $Id: SDL_cursor_c.h,v 1.2 2001/04/26 16:50:18 hercules Exp $"; |
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| 26 | #endif |
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| 27 | |||
| 28 | /* Useful variables and functions from SDL_cursor.c */ |
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| 29 | #include "SDL_mouse.h" |
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| 30 | |||
| 31 | extern int SDL_CursorInit(Uint32 flags); |
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| 32 | extern void SDL_CursorPaletteChanged(void); |
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| 33 | extern void SDL_DrawCursor(SDL_Surface *screen); |
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| 34 | extern void SDL_DrawCursorNoLock(SDL_Surface *screen); |
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| 35 | extern void SDL_EraseCursor(SDL_Surface *screen); |
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| 36 | extern void SDL_EraseCursorNoLock(SDL_Surface *screen); |
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| 37 | extern void SDL_UpdateCursor(SDL_Surface *screen); |
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| 38 | extern void SDL_ResetCursor(void); |
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| 39 | extern void SDL_MoveCursor(int x, int y); |
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| 40 | extern void SDL_CursorQuit(void); |
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| 41 | |||
| 42 | #define INLINE_MOUSELOCK |
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| 43 | #ifdef INLINE_MOUSELOCK |
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| 44 | /* Inline (macro) versions of the mouse lock functions */ |
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| 45 | #include "SDL_mutex.h" |
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| 46 | |||
| 47 | extern SDL_mutex *SDL_cursorlock; |
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| 48 | |||
| 49 | #define SDL_LockCursor() \ |
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| 50 | do { \ |
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| 51 | if ( SDL_cursorlock ) { \ |
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| 52 | SDL_mutexP(SDL_cursorlock); \ |
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| 53 | } \ |
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| 54 | } while ( 0 ) |
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| 55 | #define SDL_UnlockCursor() \ |
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| 56 | do { \ |
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| 57 | if ( SDL_cursorlock ) { \ |
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| 58 | SDL_mutexV(SDL_cursorlock); \ |
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| 59 | } \ |
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| 60 | } while ( 0 ) |
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| 61 | #else |
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| 62 | extern void SDL_LockCursor(void); |
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| 63 | extern void SDL_UnlockCursor(void); |
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| 64 | #endif /* INLINE_MOUSELOCK */ |
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| 65 | |||
| 66 | /* Only for low-level mouse cursor drawing */ |
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| 67 | extern SDL_Cursor *SDL_cursor; |
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| 68 | extern void SDL_MouseRect(SDL_Rect *area); |
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| 69 | |||
| 70 | /* State definitions for the SDL cursor */ |
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| 71 | #define CURSOR_VISIBLE 0x01 |
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| 72 | #define CURSOR_USINGSW 0x10 |
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| 73 | #define SHOULD_DRAWCURSOR(X) \ |
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| 74 | (((X)&(CURSOR_VISIBLE|CURSOR_USINGSW)) == \ |
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| 75 | (CURSOR_VISIBLE|CURSOR_USINGSW)) |
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| 76 | |||
| 77 | extern volatile int SDL_cursorstate; |