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annotate include/SDL_input.h @ 5230:5d01d426f2ea

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It's now possible to disable the fast atomic operations, at a huge performance penalty.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 07 Feb 2011 22:57:33 -0800
parents 3e69e077cb95
children b530ef003506
rev   line source
4465
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 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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18
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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
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23 /**
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24 * \file SDL_input.h
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25 *
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26 * Include file for lowlevel SDL input device handling.
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27 *
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28 * This talks about individual devices, and not the system cursor. If you
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29 * just want to know when the user moves the pointer somewhere in your
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30 * window, this is NOT the API you want. This one handles things like
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31 * multi-touch, drawing tablets, and multiple, separate mice.
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32 *
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33 * The other API is in SDL_mouse.h
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34 */
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35
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36 #ifndef _SDL_input_h
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37 #define _SDL_input_h
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38
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39 #include "SDL_stdinc.h"
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40 #include "SDL_error.h"
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41 #include "SDL_video.h"
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42
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43 #include "begin_code.h"
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44 /* Set up for C function definitions, even when using C++ */
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45 #ifdef __cplusplus
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46 /* *INDENT-OFF* */
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47 extern "C" {
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48 /* *INDENT-ON* */
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49 #endif
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50
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51
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52 /* Function prototypes */
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53
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54 /* !!! FIXME: real documentation
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55 * - Redetect devices
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56 * - This invalidates all existing device information from previous queries!
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57 * - There is an implicit (re)detect upon SDL_Init().
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58 */
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59 extern DECLSPEC int SDLCALL SDL_RedetectInputDevices(void);
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60
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61 /**
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62 * \brief Get the number of mouse input devices available.
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63 */
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64 extern DECLSPEC int SDLCALL SDL_GetNumInputDevices(void);
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65
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66 /**
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67 * \brief Gets the name of a device with the given index.
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68 *
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69 * \param index is the index of the device, whose name is to be returned.
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70 *
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71 * \return the name of the device with the specified index
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72 */
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73 extern DECLSPEC const char *SDLCALL SDL_GetInputDeviceName(int index);
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74
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75
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76 extern DECLSPEC int SDLCALL SDL_IsDeviceDisconnected(int index);
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77
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78 /* Ends C function definitions when using C++ */
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79 #ifdef __cplusplus
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80 /* *INDENT-OFF* */
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81 }
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82 /* *INDENT-ON* */
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83 #endif
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84 #include "close_code.h"
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85
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86 #endif /* _SDL_mouse_h */
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87
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88 /* vi: set ts=4 sw=4 expandtab: */