Mercurial > sdl-ios-xcode
diff src/video/SDL_cursor_c.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 | e8157fcb3114 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/video/SDL_cursor_c.h Thu Apr 26 16:45:43 2001 +0000 @@ -0,0 +1,77 @@ +/* + 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 + +/* Useful variables and functions from SDL_cursor.c */ +#include "SDL_mouse.h" + +extern int SDL_CursorInit(Uint32 flags); +extern void SDL_CursorPaletteChanged(void); +extern void SDL_DrawCursor(SDL_Surface *screen); +extern void SDL_DrawCursorNoLock(SDL_Surface *screen); +extern void SDL_EraseCursor(SDL_Surface *screen); +extern void SDL_EraseCursorNoLock(SDL_Surface *screen); +extern void SDL_UpdateCursor(SDL_Surface *screen); +extern void SDL_ResetCursor(void); +extern void SDL_MoveCursor(int x, int y); +extern void SDL_CursorQuit(void); + +#define INLINE_MOUSELOCK +#ifdef INLINE_MOUSELOCK +/* Inline (macro) versions of the mouse lock functions */ +#include "SDL_mutex.h" + +extern SDL_mutex *SDL_cursorlock; + +#define SDL_LockCursor() \ + do { \ + if ( SDL_cursorlock ) { \ + SDL_mutexP(SDL_cursorlock); \ + } \ + } while ( 0 ) +#define SDL_UnlockCursor() \ + do { \ + if ( SDL_cursorlock ) { \ + SDL_mutexV(SDL_cursorlock); \ + } \ + } while ( 0 ) +#else +extern void SDL_LockCursor(void); +extern void SDL_UnlockCursor(void); +#endif /* INLINE_MOUSELOCK */ + +/* Only for low-level mouse cursor drawing */ +extern SDL_Cursor *SDL_cursor; +extern void SDL_MouseRect(SDL_Rect *area); + +/* State definitions for the SDL cursor */ +#define CURSOR_VISIBLE 0x01 +#define CURSOR_USINGSW 0x10 +#define SHOULD_DRAWCURSOR(X) \ + (((X)&(CURSOR_VISIBLE|CURSOR_USINGSW)) == \ + (CURSOR_VISIBLE|CURSOR_USINGSW)) + +extern volatile int SDL_cursorstate;