src/video/SDL_cursor_c.h
author Ryan C. Gordon <icculus@icculus.org>
Fri, 06 Jan 2006 13:20:10 +0000
changeset 1234 73676c1f56ee
parent 769 b8d311d90021
child 1312 c9b51268668f
permissions -rw-r--r--
For sanity's sake, removed the '&' when passing copy_row array to asm.
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2004 Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Library General Public
     7     License as published by the Free Software Foundation; either
     8     version 2 of the License, or (at your option) any later version.
     9 
    10     This library is distributed in the hope that it will be useful,
    11     but WITHOUT ANY WARRANTY; without even the implied warranty of
    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13     Library General Public License for more details.
    14 
    15     You should have received a copy of the GNU Library General Public
    16     License along with this library; if not, write to the Free
    17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 
    23 #ifdef SAVE_RCSID
    24 static char rcsid =
    25  "@(#) $Id$";
    26 #endif
    27 
    28 /* Useful variables and functions from SDL_cursor.c */
    29 #include "SDL_mouse.h"
    30 
    31 extern int  SDL_CursorInit(Uint32 flags);
    32 extern void SDL_CursorPaletteChanged(void);
    33 extern void SDL_DrawCursor(SDL_Surface *screen);
    34 extern void SDL_DrawCursorNoLock(SDL_Surface *screen);
    35 extern void SDL_EraseCursor(SDL_Surface *screen);
    36 extern void SDL_EraseCursorNoLock(SDL_Surface *screen);
    37 extern void SDL_UpdateCursor(SDL_Surface *screen);
    38 extern void SDL_ResetCursor(void);
    39 extern void SDL_MoveCursor(int x, int y);
    40 extern void SDL_CursorQuit(void);
    41 
    42 #define INLINE_MOUSELOCK
    43 #ifdef INLINE_MOUSELOCK
    44 /* Inline (macro) versions of the mouse lock functions */
    45 #include "SDL_mutex.h"
    46 
    47 extern SDL_mutex *SDL_cursorlock;
    48 
    49 #define SDL_LockCursor()						\
    50 	do {								\
    51 		if ( SDL_cursorlock ) {					\
    52 			SDL_mutexP(SDL_cursorlock);			\
    53 		}							\
    54 	} while ( 0 )
    55 #define SDL_UnlockCursor()						\
    56 	do {								\
    57 		if ( SDL_cursorlock ) {					\
    58 			SDL_mutexV(SDL_cursorlock);			\
    59 		}							\
    60 	} while ( 0 )
    61 #else
    62 extern void SDL_LockCursor(void);
    63 extern void SDL_UnlockCursor(void);
    64 #endif /* INLINE_MOUSELOCK */
    65 
    66 /* Only for low-level mouse cursor drawing */
    67 extern SDL_Cursor *SDL_cursor;
    68 extern void SDL_MouseRect(SDL_Rect *area);
    69 
    70 /* State definitions for the SDL cursor */
    71 #define CURSOR_VISIBLE	0x01
    72 #define CURSOR_USINGSW	0x10
    73 #define SHOULD_DRAWCURSOR(X) 						\
    74 			(((X)&(CURSOR_VISIBLE|CURSOR_USINGSW)) ==  	\
    75 					(CURSOR_VISIBLE|CURSOR_USINGSW))
    76 
    77 extern volatile int SDL_cursorstate;