annotate src/events/SDL_touch.c @ 4676:99b4560b7aa1

Upgraded touchId/fingerId to long. Changed position variables to floats.
author jimtla
date Fri, 30 Jul 2010 23:18:35 +0400
parents 89d5e2201b00
children f8431f66613d
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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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 /* General touch handling code for SDL */
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26 #include "SDL_events.h"
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27 #include "SDL_events_c.h"
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28 #include "../video/SDL_sysvideo.h"
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29
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30 #include <stdio.h>
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31
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33 static int SDL_num_touch = 0;
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34 static SDL_Touch **SDL_touchPads = NULL;
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35
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36
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37 /* Public functions */
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38 int
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39 SDL_TouchInit(void)
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40 {
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41 return (0);
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42 }
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43
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44 SDL_Touch *
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45 SDL_GetTouch(long id)
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46 {
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47 int index = SDL_GetTouchIndexId(id);
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48 if (index < 0 || index >= SDL_num_touch) {
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49 return NULL;
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50 }
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51 return SDL_touchPads[index];
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52 }
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53
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54 SDL_Touch *
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55 SDL_GetTouchIndex(int index)
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56 {
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57 if (index < 0 || index >= SDL_num_touch) {
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58 return NULL;
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59 }
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60 return SDL_touchPads[index];
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61 }
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62
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63 int
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64 SDL_GetFingerIndexId(SDL_Touch* touch,long fingerid)
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65 {
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66 int i;
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67 for(i = 0;i < touch->num_fingers;i++)
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68 if(touch->fingers[i]->id == fingerid)
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69 return i;
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70 return -1;
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71 }
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72
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73
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74 SDL_Finger *
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75 SDL_GetFinger(SDL_Touch* touch,long id)
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76 {
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77 int index = SDL_GetFingerIndexId(touch,id);
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78 if(index < 0 || index >= touch->num_fingers)
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79 return NULL;
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80 return touch->fingers[index];
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81 }
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82
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83
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84 int
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85 SDL_GetTouchIndexId(long id)
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86 {
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87 int index;
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88 SDL_Touch *touch;
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89
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90 for (index = 0; index < SDL_num_touch; ++index) {
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91 touch = SDL_touchPads[index];
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92 if (touch->id == id) {
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93 return index;
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94 }
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95 }
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96 return -1;
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97 }
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99 int
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100 SDL_AddTouch(const SDL_Touch * touch, char *name)
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101 {
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102 SDL_Touch **touchPads;
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103 int index,length;
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104
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105 if (SDL_GetTouchIndexId(touch->id) != -1) {
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106 SDL_SetError("Touch ID already in use");
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107 }
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108
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109 /* Add the touch to the list of touch */
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110 touchPads = (SDL_Touch **) SDL_realloc(SDL_touchPads,
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111 (SDL_num_touch + 1) * sizeof(*touch));
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112 if (!touchPads) {
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113 SDL_OutOfMemory();
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114 return -1;
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115 }
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116
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117 SDL_touchPads = touchPads;
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118 index = SDL_num_touch++;
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119
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120 SDL_touchPads[index] = (SDL_Touch *) SDL_malloc(sizeof(*SDL_touchPads[index]));
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121 if (!SDL_touchPads[index]) {
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122 SDL_OutOfMemory();
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123 return -1;
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124 }
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125 *SDL_touchPads[index] = *touch;
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126
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127 /* we're setting the touch properties */
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128 length = 0;
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129 length = SDL_strlen(name);
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130 SDL_touchPads[index]->focus = 0;
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131 SDL_touchPads[index]->name = SDL_malloc((length + 2) * sizeof(char));
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132 SDL_strlcpy(SDL_touchPads[index]->name, name, length + 1);
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133
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134 SDL_touchPads[index]->num_fingers = 0;
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135 SDL_touchPads[index]->max_fingers = 1;
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136 SDL_touchPads[index]->fingers = (SDL_Finger **) SDL_malloc(sizeof(SDL_Finger*));
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137 SDL_touchPads[index]->fingers[0] = NULL;
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138 SDL_touchPads[index]->buttonstate = 0;
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139 SDL_touchPads[index]->relative_mode = SDL_FALSE;
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140 SDL_touchPads[index]->flush_motion = SDL_FALSE;
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141
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142 //Do I want this here? Probably
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143 SDL_GestureAddTouch(SDL_touchPads[index]);
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144
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145 return index;
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146 }
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147
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148 void
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149 SDL_DelTouch(long id)
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150 {
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151 int index = SDL_GetTouchIndexId(id);
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152 SDL_Touch *touch = SDL_GetTouch(id);
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153
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154 if (!touch) {
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155 return;
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156 }
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157
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158
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159 SDL_free(touch->name);
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160
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161 if (touch->FreeTouch) {
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162 touch->FreeTouch(touch);
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163 }
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164 SDL_free(touch);
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165
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166 SDL_num_touch--;
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167 SDL_touchPads[index] = SDL_touchPads[SDL_num_touch];
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168 }
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169
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170 void
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171 SDL_TouchQuit(void)
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172 {
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173 int i;
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174
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175 for (i = SDL_num_touch-1; i > 0 ; --i) {
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176 SDL_DelTouch(i);
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177 }
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178 SDL_num_touch = 0;
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179
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180 if (SDL_touchPads) {
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181 SDL_free(SDL_touchPads);
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182 SDL_touchPads = NULL;
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183 }
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184 }
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185
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186 int
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187 SDL_GetNumTouch(void)
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188 {
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189 return SDL_num_touch;
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190 }
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191 SDL_Window *
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192 SDL_GetTouchFocusWindow(long id)
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193 {
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194 SDL_Touch *touch = SDL_GetTouch(id);
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195
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196 if (!touch) {
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197 return 0;
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198 }
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199 return touch->focus;
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200 }
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201
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202 void
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203 SDL_SetTouchFocus(long id, SDL_Window * window)
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204 {
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205 int index = SDL_GetTouchIndexId(id);
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206 SDL_Touch *touch = SDL_GetTouch(id);
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207 int i;
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208 SDL_bool focus;
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209
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210 if (!touch || (touch->focus == window)) {
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211 return;
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212 }
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213
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214 /* See if the current window has lost focus */
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215 if (touch->focus) {
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216 focus = SDL_FALSE;
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217 for (i = 0; i < SDL_num_touch; ++i) {
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218 SDL_Touch *check;
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219 if (i != index) {
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220 check = SDL_touchPads[i];
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221 if (check && check->focus == touch->focus) {
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222 focus = SDL_TRUE;
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223 break;
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224 }
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225 }
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226 }
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227 if (!focus) {
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228 SDL_SendWindowEvent(touch->focus, SDL_WINDOWEVENT_LEAVE, 0, 0);
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229 }
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230 }
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231
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232 touch->focus = window;
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233
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234 if (touch->focus) {
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235 focus = SDL_FALSE;
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236 for (i = 0; i < SDL_num_touch; ++i) {
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237 SDL_Touch *check;
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238 if (i != index) {
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239 check = SDL_touchPads[i];
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240 if (check && check->focus == touch->focus) {
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241 focus = SDL_TRUE;
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242 break;
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243 }
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244 }
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245 }
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246 if (!focus) {
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247 SDL_SendWindowEvent(touch->focus, SDL_WINDOWEVENT_ENTER, 0, 0);
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248 }
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249 }
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250 }
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251
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252 int
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253 SDL_AddFinger(SDL_Touch* touch,SDL_Finger finger)
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254 {
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255 int index;
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256 SDL_Finger **fingers;
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257 //printf("Adding Finger...\n");
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258 if (SDL_GetFingerIndexId(touch,finger.id) != -1) {
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259 SDL_SetError("Finger ID already in use");
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260 }
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261
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262 /* Add the touch to the list of touch */
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263 if(touch->num_fingers >= touch->max_fingers){
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264 //printf("Making room for it!\n");
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265 fingers = (SDL_Finger **) SDL_realloc(touch->fingers,
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266 (touch->num_fingers + 1) * sizeof(SDL_Finger *));
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267 touch->max_fingers = touch->num_fingers+1;
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268 if (!fingers) {
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269 SDL_OutOfMemory();
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270 return -1;
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271 } else {
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272 touch->max_fingers = touch->num_fingers+1;
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273 touch->fingers = fingers;
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274 }
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275 }
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276
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277 index = touch->num_fingers;
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278 //printf("Max_Fingers: %i Index: %i\n",touch->max_fingers,index);
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279
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280 touch->fingers[index] = (SDL_Finger *) SDL_malloc(sizeof(SDL_Finger));
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281 if (!touch->fingers[index]) {
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282 SDL_OutOfMemory();
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283 return -1;
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284 }
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285 *(touch->fingers[index]) = finger;
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286 touch->num_fingers++;
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287
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288 return index;
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289 }
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290
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291 int
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292 SDL_DelFinger(SDL_Touch* touch,long fingerid)
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293 {
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294 int index = SDL_GetFingerIndexId(touch,fingerid);
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295 SDL_Finger* finger = SDL_GetFinger(touch,fingerid);
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296
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297 if (!finger) {
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298 return -1;
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299 }
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300
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301
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302 SDL_free(finger);
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303 touch->num_fingers--;
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304 touch->fingers[index] = touch->fingers[touch->num_fingers];
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305 return 0;
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306 }
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307
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308
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309 int
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310 SDL_SendFingerDown(long id, long fingerid, SDL_bool down, float x, float y, float pressure)
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311 {
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312 int posted;
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313 SDL_Touch* touch = SDL_GetTouch(id);
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314
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315 if(!touch) {
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316 return SDL_TouchNotFoundError(id);
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317 }
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
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318
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319 if(down) {
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320 SDL_Finger *finger = SDL_GetFinger(touch,fingerid);
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321 if(finger == NULL) {
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322 SDL_Finger nf;
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323 nf.id = fingerid;
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324 nf.x = x;
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325 nf.y = y;
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326 nf.pressure = pressure;
4c94f2023d62 Fixed bugs in input, cleaned up $1
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327 nf.xdelta = 0;
4c94f2023d62 Fixed bugs in input, cleaned up $1
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328 nf.ydelta = 0;
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329 nf.last_x = x;
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330 nf.last_y = y;
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331 nf.last_pressure = pressure;
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332 nf.down = SDL_FALSE;
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333 SDL_AddFinger(touch,nf);
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334 finger = &nf;
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335 }
4c94f2023d62 Fixed bugs in input, cleaned up $1
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336 else if(finger->down) return 0;
4c94f2023d62 Fixed bugs in input, cleaned up $1
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diff changeset
337 if(x < 0 || y < 0) return 0; //should defer if only a partial input
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338 posted = 0;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
339 if (SDL_GetEventState(SDL_FINGERDOWN) == SDL_ENABLE) {
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
340 SDL_Event event;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
341 event.tfinger.type = SDL_FINGERDOWN;
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342 event.tfinger.touchId = id;
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diff changeset
343 event.tfinger.x = x;
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344 event.tfinger.y = y;
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345 event.tfinger.state = touch->buttonstate;
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346 event.tfinger.windowID = touch->focus ? touch->focus->id : 0;
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347 event.tfinger.fingerId = fingerid;
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348 posted = (SDL_PushEvent(&event) > 0);
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349 }
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350 if(posted) finger->down = SDL_TRUE;
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351 return posted;
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352 }
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353 else {
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354 if(SDL_DelFinger(touch,fingerid) < 0) return 0;
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355 posted = 0;
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diff changeset
356 if (SDL_GetEventState(SDL_FINGERUP) == SDL_ENABLE) {
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
357 SDL_Event event;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
358 event.tfinger.type = SDL_FINGERUP;
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
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diff changeset
359 event.tfinger.touchId = id;
4641
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Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
360 event.tfinger.state = touch->buttonstate;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
361 event.tfinger.windowID = touch->focus ? touch->focus->id : 0;
4643
8806b78988f7 Bug fixes. Basic touch events (finger up, finger down, finger move) supported.
Jim Grandpre <jim.tla@gmail.com>
parents: 4642
diff changeset
362 event.tfinger.fingerId = fingerid;
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
363 posted = (SDL_PushEvent(&event) > 0);
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
364 }
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
365 return posted;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
366 }
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
367 }
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
368
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
369 int
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
370 SDL_SendTouchMotion(long id, long fingerid, int relative,
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
371 float x, float y, float pressure)
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
372 {
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
373 int index = SDL_GetTouchIndexId(id);
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
374 SDL_Touch *touch = SDL_GetTouch(id);
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
375 SDL_Finger *finger = SDL_GetFinger(touch,fingerid);
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
376 int posted;
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
377 float xrel;
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
378 float yrel;
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
379 float x_max = 0, y_max = 0;
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
380
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
381 if (!touch) {
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
382 return SDL_TouchNotFoundError(id);
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
383 }
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
384 if(touch->flush_motion) {
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
385 return 0;
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
386 }
4654
7dbcd71216df Added $1 gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents: 4648
diff changeset
387
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
388 if(finger == NULL || !finger->down) {
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
389 return SDL_SendFingerDown(id,fingerid,SDL_TRUE,x,y,pressure);
4654
7dbcd71216df Added $1 gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents: 4648
diff changeset
390 } else {
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
391 /* the relative motion is calculated regarding the last position */
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
392 if (relative) {
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
393 xrel = x;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
394 yrel = y;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
395 x = (finger->last_x + x);
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
396 y = (finger->last_y + y);
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
397 } else {
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
398 if(x < 0) x = finger->last_x; /*If movement is only in one axis,*/
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
399 if(y < 0) y = finger->last_y; /*The other is marked as -1*/
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
400 if(pressure < 0) pressure = finger->last_pressure;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
401 xrel = x - finger->last_x;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
402 yrel = y - finger->last_y;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
403 }
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
404
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
405 /* Drop events that don't change state */
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
406 if (!xrel && !yrel) {
4654
7dbcd71216df Added $1 gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents: 4648
diff changeset
407 #if 0
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
408 printf("Touch event didn't change state - dropped!\n");
4654
7dbcd71216df Added $1 gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents: 4648
diff changeset
409 #endif
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
410 return 0;
4642
057e8762d2a1 Added reading of event* for touch events.
Jim Grandpre <jim.tla@gmail.com>
parents: 4641
diff changeset
411 }
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
412
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
413 /* Update internal touch coordinates */
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
414
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
415 finger->x = x;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
416 finger->y = y;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
417
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
418 /*Should scale to window? Normalize? Maintain Aspect?*/
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
419 //SDL_GetWindowSize(touch->focus, &x_max, &y_max);
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
420
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
421 /* make sure that the pointers find themselves inside the windows */
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
422 /* only check if touch->xmax is set ! */
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
423 /*
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
424 if (x_max && touch->x > x_max) {
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
425 touch->x = x_max;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
426 } else if (touch->x < 0) {
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
427 touch->x = 0;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
428 }
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
429
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
430 if (y_max && touch->y > y_max) {
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
431 touch->y = y_max;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
432 } else if (touch->y < 0) {
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
433 touch->y = 0;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
434 }
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
435 */
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
436 finger->xdelta = xrel;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
437 finger->ydelta = yrel;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
438 finger->pressure = pressure;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
439
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
440
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
441
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
442 /* Post the event, if desired */
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
443 posted = 0;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
444 if (SDL_GetEventState(SDL_FINGERMOTION) == SDL_ENABLE) {
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
445 SDL_Event event;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
446 event.tfinger.type = SDL_FINGERMOTION;
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
447 event.tfinger.touchId = id;
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
448 event.tfinger.fingerId = fingerid;
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
449 event.tfinger.x = x;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
450 event.tfinger.y = y;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
451 event.tfinger.pressure = pressure;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
452 event.tfinger.state = touch->buttonstate;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
453 event.tfinger.windowID = touch->focus ? touch->focus->id : 0;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
454 posted = (SDL_PushEvent(&event) > 0);
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
455 }
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
456 finger->last_x = finger->x;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
457 finger->last_y = finger->y;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
458 finger->last_pressure = finger->pressure;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
459 return posted;
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
460 }
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
461 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
462 int
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
463 SDL_SendTouchButton(long id, Uint8 state, Uint8 button)
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
464 {
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
465 SDL_Touch *touch = SDL_GetTouch(id);
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
466 int posted;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
467 Uint32 type;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
468
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
469
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
470 if (!touch) {
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
471 return SDL_TouchNotFoundError(id);
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
472 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
473
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
474 /* Figure out which event to perform */
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
475 switch (state) {
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
476 case SDL_PRESSED:
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
477 if (touch->buttonstate & SDL_BUTTON(button)) {
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
478 /* Ignore this event, no state change */
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
479 return 0;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
480 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
481 type = SDL_TOUCHBUTTONDOWN;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
482 touch->buttonstate |= SDL_BUTTON(button);
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
483 break;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
484 case SDL_RELEASED:
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
485 if (!(touch->buttonstate & SDL_BUTTON(button))) {
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
486 /* Ignore this event, no state change */
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
487 return 0;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
488 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
489 type = SDL_TOUCHBUTTONUP;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
490 touch->buttonstate &= ~SDL_BUTTON(button);
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
491 break;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
492 default:
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
493 /* Invalid state -- bail */
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
494 return 0;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
495 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
496
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
497 /* Post the event, if desired */
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
498 posted = 0;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
499 if (SDL_GetEventState(type) == SDL_ENABLE) {
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
500 SDL_Event event;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
501 event.type = type;
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
502 event.tbutton.touchId = touch->id;
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
503 event.tbutton.state = state;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
504 event.tbutton.button = button;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
505 event.tbutton.windowID = touch->focus ? touch->focus->id : 0;
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
506 posted = (SDL_PushEvent(&event) > 0);
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
507 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
508 return posted;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
509 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
510
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
511 char *
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
512 SDL_GetTouchName(long id)
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
513 {
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
514 SDL_Touch *touch = SDL_GetTouch(id);
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
515 if (!touch) {
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
516 return NULL;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
517 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
518 return touch->name;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
519 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
520
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
521 int SDL_TouchNotFoundError(long id) {
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
522 printf("ERROR: Cannot send touch on non-existent device with id: %li make sure SDL_AddTouch has been called\n",id);
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
523 printf("ERROR: There are %i touches installed with Id's:\n",SDL_num_touch);
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
524 int i;
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
525 for(i=0;i < SDL_num_touch;i++) {
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
526 printf("ERROR: %li\n",SDL_touchPads[i]->id);
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
527 }
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
528 return 0;
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
529 }
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
Jim Grandpre <jim.tla@gmail.com>
parents:
diff changeset
530 /* vi: set ts=4 sw=4 expandtab: */