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annotate include/SDL_touch.h @ 5275:7aba0406c273

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Frank Zago to sdl The following patch fixes some of the bitrot for the Nintendo DS port. The support is still basic at the moment, but it allows to run the "general" test under the current head of tree (parent: 5269:11bd1585efb5 tip). Most of the patch is mine, but I integrated a couple changes that John Magnotti posted on Feb 1st.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 12 Feb 2011 11:36:56 -0800
parents b530ef003506
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2011 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_touch.h
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25 *
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26 * Include file for SDL touch event handling.
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27 */
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28
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29 #ifndef _SDL_touch_h
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30 #define _SDL_touch_h
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31
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32 #include "SDL_stdinc.h"
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33 #include "SDL_error.h"
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34 #include "SDL_video.h"
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35
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36 #include "begin_code.h"
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37 /* Set up for C function definitions, even when using C++ */
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38 #ifdef __cplusplus
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39 /* *INDENT-OFF* */
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40 extern "C" {
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41 /* *INDENT-ON* */
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42 #endif
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43
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44
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45 typedef Sint64 SDL_TouchID;
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46 typedef Sint64 SDL_FingerID;
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47
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48
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49 struct SDL_Finger {
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50 SDL_FingerID id;
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51 Uint16 x;
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52 Uint16 y;
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53 Uint16 pressure;
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54 Uint16 xdelta;
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55 Uint16 ydelta;
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56 Uint16 last_x, last_y,last_pressure; /* the last reported coordinates */
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57 SDL_bool down;
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58 };
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59
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60 typedef struct SDL_Touch SDL_Touch;
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61 typedef struct SDL_Finger SDL_Finger;
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62
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63
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64 struct SDL_Touch {
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65
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66 /* Free the touch when it's time */
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67 void (*FreeTouch) (SDL_Touch * touch);
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68
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69 /* data common for tablets */
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70 float pressure_max, pressure_min;
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71 float x_max,x_min;
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72 float y_max,y_min;
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73 Uint16 xres,yres,pressureres;
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74 float native_xres,native_yres,native_pressureres;
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75 float tilt; /* for future use */
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76 float rotation; /* for future use */
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77
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78 /* Data common to all touch */
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79 SDL_TouchID id;
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80 SDL_Window *focus;
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81
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82 char *name;
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83 Uint8 buttonstate;
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84 SDL_bool relative_mode;
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85 SDL_bool flush_motion;
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86
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87 int num_fingers;
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88 int max_fingers;
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89 SDL_Finger** fingers;
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90
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91 void *driverdata;
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92 };
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93
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94
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95
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96 /* Function prototypes */
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97
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98 /**
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99 * \brief Get the touch object at the given id.
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100 *
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101 *
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102 */
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103 extern DECLSPEC SDL_Touch* SDLCALL SDL_GetTouch(SDL_TouchID id);
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106
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107 /**
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108 * \brief Get the finger object of the given touch, at the given id.
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109 *
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110 *
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111 */
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112 extern
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113 DECLSPEC SDL_Finger* SDLCALL SDL_GetFinger(SDL_Touch *touch, SDL_FingerID id);
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114
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115 /* Ends C function definitions when using C++ */
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116 #ifdef __cplusplus
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117 /* *INDENT-OFF* */
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118 }
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119 /* *INDENT-ON* */
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120 #endif
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121 #include "close_code.h"
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122
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123 #endif /* _SDL_mouse_h */
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124
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125 /* vi: set ts=4 sw=4 expandtab: */