Mercurial > sdl-ios-xcode
annotate src/video/SDL_cursor_c.h @ 353:d47637068e52
The documented error return value for SDL_WaitEvent() is 0.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 15 Apr 2002 04:53:41 +0000 |
| parents | f6ffac90895c |
| children | b8d311d90021 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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f6ffac90895c
Updated copyright information for 2002
Sam Lantinga <slouken@libsdl.org>
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
| 0 | 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 | |
|
252
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Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
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20 slouken@libsdl.org |
| 0 | 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; |