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annotate include/SDL_touch.h @ 4670:ad4f32e874ee

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Added preliminary touch code to SDL_cocoakeyboard.m
author jimtla
date Sat, 24 Jul 2010 22:28:38 +0400
parents 063b9455bd1a
children 99b4560b7aa1
rev   line source
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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_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 struct SDL_Finger {
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46 int id;
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47 int x;
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48 int y;
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49 int z; /* for future use */
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50 int xdelta;
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51 int ydelta;
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52 int last_x, last_y,last_pressure; /* the last reported coordinates */
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53 SDL_bool down;
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54 int pressure;
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55 };
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56
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57 typedef struct SDL_Touch SDL_Touch;
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58 typedef struct SDL_Finger SDL_Finger;
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59
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60
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61 struct SDL_Touch {
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62
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63 /* Free the touch when it's time */
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64 void (*FreeTouch) (SDL_Touch * touch);
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65
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66 /* data common for tablets */
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67 int pressure_max, pressure_min;
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68 int x_max,x_min;
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69 int y_max,y_min;
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70 int xres,yres,pressureres;
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71 int tilt; /* for future use */
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72 int rotation; /* for future use */
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73
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74 /* Data common to all touch */
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75 int id;
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76 SDL_Window *focus;
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77
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78 char *name;
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79 Uint8 buttonstate;
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80 SDL_bool relative_mode;
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81 SDL_bool flush_motion;
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82
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83 int num_fingers;
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84 int max_fingers;
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85 SDL_Finger** fingers;
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86
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87 void *driverdata;
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88 };
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89
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91
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92 /* Function prototypes */
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93
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94 /**
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95 * \brief Get the touch object at the given id.
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96 *
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97 *
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98 */
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99 extern DECLSPEC SDL_Touch* SDLCALL SDL_GetTouch(int id);
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100
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101
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102
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103 /**
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104 * \brief Get the finger object of the given touch, at the given id.
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105 *
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106 *
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107 */
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108 extern DECLSPEC SDL_Finger* SDLCALL SDL_GetFinger(SDL_Touch *touch, int id);
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109
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110 /* Ends C function definitions when using C++ */
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111 #ifdef __cplusplus
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112 /* *INDENT-OFF* */
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113 }
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114 /* *INDENT-ON* */
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115 #endif
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116 #include "close_code.h"
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117
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118 #endif /* _SDL_mouse_h */
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119
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120 /* vi: set ts=4 sw=4 expandtab: */