annotate src/video/SDL_cursor_c.h @ 1856:21f13c787b46

Date: Mon, 22 May 2006 01:16:47 -0400 From: Mike Frysinger Subject: [SDL] [patch] fix sed expression in sdl-config just noticed that sdl-config uses '[a-z]' with sed in sdl-config without forcing the locale to C ... this could cause problems with locales where the letter 'z' is not the last letter in the alphabet
author Sam Lantinga <slouken@libsdl.org>
date Tue, 23 May 2006 15:07:56 +0000
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children 782fd950bd46 a1b03ba2fcd0
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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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 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* Useful variables and functions from SDL_cursor.c */
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25 #include "SDL_mouse.h"
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26
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27 extern int SDL_CursorInit(Uint32 flags);
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28 extern void SDL_CursorPaletteChanged(void);
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29 extern void SDL_DrawCursor(SDL_Surface *screen);
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30 extern void SDL_DrawCursorNoLock(SDL_Surface *screen);
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31 extern void SDL_EraseCursor(SDL_Surface *screen);
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32 extern void SDL_EraseCursorNoLock(SDL_Surface *screen);
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33 extern void SDL_UpdateCursor(SDL_Surface *screen);
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34 extern void SDL_ResetCursor(void);
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35 extern void SDL_MoveCursor(int x, int y);
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36 extern void SDL_CursorQuit(void);
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37
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38 #define INLINE_MOUSELOCK
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39 #ifdef INLINE_MOUSELOCK
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40 /* Inline (macro) versions of the mouse lock functions */
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41 #include "SDL_mutex.h"
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42
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43 extern SDL_mutex *SDL_cursorlock;
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44
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45 #define SDL_LockCursor() \
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46 do { \
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47 if ( SDL_cursorlock ) { \
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48 SDL_mutexP(SDL_cursorlock); \
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49 } \
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50 } while ( 0 )
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51 #define SDL_UnlockCursor() \
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52 do { \
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53 if ( SDL_cursorlock ) { \
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54 SDL_mutexV(SDL_cursorlock); \
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55 } \
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56 } while ( 0 )
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57 #else
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58 extern void SDL_LockCursor(void);
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59 extern void SDL_UnlockCursor(void);
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60 #endif /* INLINE_MOUSELOCK */
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61
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62 /* Only for low-level mouse cursor drawing */
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63 extern SDL_Cursor *SDL_cursor;
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64 extern void SDL_MouseRect(SDL_Rect *area);
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65
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66 /* State definitions for the SDL cursor */
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67 #define CURSOR_VISIBLE 0x01
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68 #define CURSOR_USINGSW 0x10
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69 #define SHOULD_DRAWCURSOR(X) \
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70 (((X)&(CURSOR_VISIBLE|CURSOR_USINGSW)) == \
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71 (CURSOR_VISIBLE|CURSOR_USINGSW))
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72
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73 extern volatile int SDL_cursorstate;