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annotate src/events/SDL_touch.c @ 5172:ededa1ccf91c

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Switched the SDL 1.2 compatibility to use the window surface, so it's fast even when there's no hardware acceleration available. This means that the YUV overlay now uses software, but that's okay since fast YUV code should be using the textures now anyway.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 03 Feb 2011 21:13:55 -0800
parents d79ff339d1f2
children b530ef003506
rev   line source
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f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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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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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(SDL_TouchID 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,SDL_FingerID 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,SDL_FingerID 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(SDL_TouchID 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;
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104 size_t length;
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105
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106 if (SDL_GetTouchIndexId(touch->id) != -1) {
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107 SDL_SetError("Touch ID already in use");
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108 }
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109
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110 /* Add the touch to the list of touch */
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111 touchPads = (SDL_Touch **) SDL_realloc(SDL_touchPads,
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112 (SDL_num_touch + 1) * sizeof(*touch));
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113 if (!touchPads) {
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114 SDL_OutOfMemory();
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115 return -1;
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116 }
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117
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118 SDL_touchPads = touchPads;
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119 index = SDL_num_touch++;
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120
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121 SDL_touchPads[index] = (SDL_Touch *) SDL_malloc(sizeof(*SDL_touchPads[index]));
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122 if (!SDL_touchPads[index]) {
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123 SDL_OutOfMemory();
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124 return -1;
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125 }
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126 *SDL_touchPads[index] = *touch;
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127
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128 /* we're setting the touch properties */
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129 length = 0;
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130 length = SDL_strlen(name);
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131 SDL_touchPads[index]->focus = 0;
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132 SDL_touchPads[index]->name = SDL_malloc((length + 2) * sizeof(char));
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133 SDL_strlcpy(SDL_touchPads[index]->name, name, length + 1);
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134
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135 SDL_touchPads[index]->num_fingers = 0;
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136 SDL_touchPads[index]->max_fingers = 1;
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137 SDL_touchPads[index]->fingers = (SDL_Finger **) SDL_malloc(sizeof(SDL_Finger*));
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138 SDL_touchPads[index]->fingers[0] = NULL;
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139 SDL_touchPads[index]->buttonstate = 0;
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140 SDL_touchPads[index]->relative_mode = SDL_FALSE;
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141 SDL_touchPads[index]->flush_motion = SDL_FALSE;
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142
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143 SDL_touchPads[index]->xres = (1<<(16-1));
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144 SDL_touchPads[index]->yres = (1<<(16-1));
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145 //Do I want this here? Probably
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146 SDL_GestureAddTouch(SDL_touchPads[index]);
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147
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148 return index;
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149 }
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150
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151 void
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152 SDL_DelTouch(SDL_TouchID id)
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153 {
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154 int index = SDL_GetTouchIndexId(id);
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155 SDL_Touch *touch = SDL_GetTouch(id);
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156
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157 if (!touch) {
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158 return;
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159 }
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160
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161
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162 SDL_free(touch->name);
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163
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164 if (touch->FreeTouch) {
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165 touch->FreeTouch(touch);
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166 }
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167 SDL_free(touch);
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168
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169 SDL_num_touch--;
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170 SDL_touchPads[index] = SDL_touchPads[SDL_num_touch];
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171 }
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172
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173 void
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174 SDL_TouchQuit(void)
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175 {
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176 int i;
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177
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178 for (i = SDL_num_touch-1; i > 0 ; --i) {
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179 SDL_DelTouch(i);
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180 }
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181 SDL_num_touch = 0;
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182
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183 if (SDL_touchPads) {
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184 SDL_free(SDL_touchPads);
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185 SDL_touchPads = NULL;
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186 }
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187 }
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188
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189 int
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190 SDL_GetNumTouch(void)
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191 {
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192 return SDL_num_touch;
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193 }
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194 SDL_Window *
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195 SDL_GetTouchFocusWindow(SDL_TouchID id)
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196 {
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197 SDL_Touch *touch = SDL_GetTouch(id);
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198
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199 if (!touch) {
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200 return 0;
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201 }
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202 return touch->focus;
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203 }
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204
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205 void
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206 SDL_SetTouchFocus(SDL_TouchID id, SDL_Window * window)
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207 {
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208 int index = SDL_GetTouchIndexId(id);
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209 SDL_Touch *touch = SDL_GetTouch(id);
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210 int i;
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211 SDL_bool focus;
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212
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213 if (!touch || (touch->focus == window)) {
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214 return;
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215 }
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216
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217 /* See if the current window has lost focus */
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218 if (touch->focus) {
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219 focus = SDL_FALSE;
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220 for (i = 0; i < SDL_num_touch; ++i) {
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221 SDL_Touch *check;
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222 if (i != index) {
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223 check = SDL_touchPads[i];
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224 if (check && check->focus == touch->focus) {
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225 focus = SDL_TRUE;
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226 break;
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227 }
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228 }
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229 }
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230 if (!focus) {
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diff changeset
231 SDL_SendWindowEvent(touch->focus, SDL_WINDOWEVENT_LEAVE, 0, 0);
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232 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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233 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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diff changeset
234
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235 touch->focus = window;
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236
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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diff changeset
237 if (touch->focus) {
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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diff changeset
238 focus = SDL_FALSE;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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parents:
diff changeset
239 for (i = 0; i < SDL_num_touch; ++i) {
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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diff changeset
240 SDL_Touch *check;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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parents:
diff changeset
241 if (i != index) {
4641
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diff changeset
242 check = SDL_touchPads[i];
4640
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diff changeset
243 if (check && check->focus == touch->focus) {
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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diff changeset
244 focus = SDL_TRUE;
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245 break;
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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246 }
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247 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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248 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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diff changeset
249 if (!focus) {
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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diff changeset
250 SDL_SendWindowEvent(touch->focus, SDL_WINDOWEVENT_ENTER, 0, 0);
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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251 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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252 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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253 }
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254
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255 int
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
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diff changeset
256 SDL_AddFinger(SDL_Touch* touch,SDL_Finger *finger)
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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257 {
4641
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diff changeset
258 int index;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
259 SDL_Finger **fingers;
4646
eea1bf53effa Added include/touch.h Now reading in resolution of touch pad.
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diff changeset
260 //printf("Adding Finger...\n");
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
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diff changeset
261 if (SDL_GetFingerIndexId(touch,finger->id) != -1) {
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
262 SDL_SetError("Finger ID already in use");
4919
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263 }
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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parents:
diff changeset
264
4641
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diff changeset
265 /* Add the touch to the list of touch */
4646
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diff changeset
266 if(touch->num_fingers >= touch->max_fingers){
4919
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267 //printf("Making room for it!\n");
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diff changeset
268 fingers = (SDL_Finger **) SDL_realloc(touch->fingers,
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diff changeset
269 (touch->num_fingers + 1) * sizeof(SDL_Finger *));
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diff changeset
270 touch->max_fingers = touch->num_fingers+1;
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diff changeset
271 if (!fingers) {
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diff changeset
272 SDL_OutOfMemory();
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diff changeset
273 return -1;
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diff changeset
274 } else {
716b2cbf4c9e First pass at Windows multi-touch gesture support
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diff changeset
275 touch->max_fingers = touch->num_fingers+1;
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diff changeset
276 touch->fingers = fingers;
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277 }
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278 }
4645
0375d020e7e3 Auto-detects Wacom touch devices.
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diff changeset
279
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eea1bf53effa Added include/touch.h Now reading in resolution of touch pad.
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diff changeset
280 index = touch->num_fingers;
eea1bf53effa Added include/touch.h Now reading in resolution of touch pad.
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diff changeset
281 //printf("Max_Fingers: %i Index: %i\n",touch->max_fingers,index);
4641
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diff changeset
282
4646
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diff changeset
283 touch->fingers[index] = (SDL_Finger *) SDL_malloc(sizeof(SDL_Finger));
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
284 if (!touch->fingers[index]) {
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
285 SDL_OutOfMemory();
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
286 return -1;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
287 }
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
288 *(touch->fingers[index]) = *finger;
4646
eea1bf53effa Added include/touch.h Now reading in resolution of touch pad.
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diff changeset
289 touch->num_fingers++;
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
290
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
291 return index;
4640
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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parents:
diff changeset
292 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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parents:
diff changeset
293
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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parents:
diff changeset
294 int
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
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diff changeset
295 SDL_DelFinger(SDL_Touch* touch,SDL_FingerID fingerid)
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
296 {
4642
057e8762d2a1 Added reading of event* for touch events.
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parents: 4641
diff changeset
297 int index = SDL_GetFingerIndexId(touch,fingerid);
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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parents: 4640
diff changeset
298 SDL_Finger* finger = SDL_GetFinger(touch,fingerid);
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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parents: 4640
diff changeset
299
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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parents: 4640
diff changeset
300 if (!finger) {
4648
0350b634c044 Fixed windo build errors. Should now be compilable.
jimtla
parents: 4646
diff changeset
301 return -1;
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
302 }
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
303
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
304
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
305 SDL_free(finger);
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
306 touch->num_fingers--;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
307 touch->fingers[index] = touch->fingers[touch->num_fingers];
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
308 return 0;
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
309 }
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
310
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
311
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
312 int
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
313 SDL_SendFingerDown(SDL_TouchID id, SDL_FingerID fingerid, SDL_bool down,
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
314 float xin, float yin, float pressurein)
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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parents: 4640
diff changeset
315 {
4643
8806b78988f7 Bug fixes. Basic touch events (finger up, finger down, finger move) supported.
Jim Grandpre <jim.tla@gmail.com>
parents: 4642
diff changeset
316 int posted;
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
317 Uint16 x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
318 Uint16 y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
319 Uint16 pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
320 SDL_Finger *finger;
4865
fff50e86c891 Update VS2010 project to add new files; update new files so code builds on Win32/Win64
Andreas Schiffler <aschiffler@ferzkopp.net>
parents: 4689
diff changeset
321
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
322 SDL_Touch* touch = SDL_GetTouch(id);
4643
8806b78988f7 Bug fixes. Basic touch events (finger up, finger down, finger move) supported.
Jim Grandpre <jim.tla@gmail.com>
parents: 4642
diff changeset
323
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
324 if(!touch) {
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
325 return SDL_TouchNotFoundError(id);
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
326 }
4683
15dfe42edbfd Fixed gestureMulti. Disabled dollar gesture temporarily.
Jim Grandpre <jim.tla@gmail.com>
parents: 4681
diff changeset
327
15dfe42edbfd Fixed gestureMulti. Disabled dollar gesture temporarily.
Jim Grandpre <jim.tla@gmail.com>
parents: 4681
diff changeset
328
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
329 //scale to Integer coordinates
4865
fff50e86c891 Update VS2010 project to add new files; update new files so code builds on Win32/Win64
Andreas Schiffler <aschiffler@ferzkopp.net>
parents: 4689
diff changeset
330 x = (Uint16)((xin+touch->x_min)*(touch->xres)/(touch->native_xres));
fff50e86c891 Update VS2010 project to add new files; update new files so code builds on Win32/Win64
Andreas Schiffler <aschiffler@ferzkopp.net>
parents: 4689
diff changeset
331 y = (Uint16)((yin+touch->y_min)*(touch->yres)/(touch->native_yres));
fff50e86c891 Update VS2010 project to add new files; update new files so code builds on Win32/Win64
Andreas Schiffler <aschiffler@ferzkopp.net>
parents: 4689
diff changeset
332 pressure = (Uint16)((yin+touch->pressure_min)*(touch->pressureres)/(touch->native_pressureres));
4683
15dfe42edbfd Fixed gestureMulti. Disabled dollar gesture temporarily.
Jim Grandpre <jim.tla@gmail.com>
parents: 4681
diff changeset
333
4865
fff50e86c891 Update VS2010 project to add new files; update new files so code builds on Win32/Win64
Andreas Schiffler <aschiffler@ferzkopp.net>
parents: 4689
diff changeset
334 finger = SDL_GetFinger(touch,fingerid);
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
335 if(down) {
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
336 if(finger == NULL) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
337 SDL_Finger nf;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
338 nf.id = fingerid;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
339 nf.x = x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
340 nf.y = y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
341 nf.pressure = pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
342 nf.xdelta = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
343 nf.ydelta = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
344 nf.last_x = x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
345 nf.last_y = y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
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parents: 4868
diff changeset
346 nf.last_pressure = pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
347 nf.down = SDL_FALSE;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
348 if(SDL_AddFinger(touch,&nf) < 0) return 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
349 finger = SDL_GetFinger(touch,fingerid);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
350 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
351 else if(finger->down) return 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
352 if(xin < touch->x_min || yin < touch->y_min) return 0; //should defer if only a partial input
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
353 posted = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
354 if (SDL_GetEventState(SDL_FINGERDOWN) == SDL_ENABLE) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
355 SDL_Event event;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
356 event.tfinger.type = SDL_FINGERDOWN;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
357 event.tfinger.touchId = id;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
358 event.tfinger.x = x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
359 event.tfinger.y = y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
360 event.tfinger.pressure = pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
361 event.tfinger.state = touch->buttonstate;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
362 event.tfinger.windowID = touch->focus ? touch->focus->id : 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
363 event.tfinger.fingerId = fingerid;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
364 posted = (SDL_PushEvent(&event) > 0);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
365 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
366 if(posted) finger->down = SDL_TRUE;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
367 return posted;
4641
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 else {
4868
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
370 if(finger == NULL) {
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
371 SDL_SetError("Finger not found.");
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
372 return 0;
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
373 }
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
374 posted = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
375 if (SDL_GetEventState(SDL_FINGERUP) == SDL_ENABLE) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
376 SDL_Event event;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
377 event.tfinger.type = SDL_FINGERUP;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
378 event.tfinger.touchId = id;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
379 event.tfinger.state = touch->buttonstate;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
380 event.tfinger.windowID = touch->focus ? touch->focus->id : 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
381 event.tfinger.fingerId = fingerid;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
382 //I don't trust the coordinates passed on fingerUp
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
383 event.tfinger.x = finger->x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
384 event.tfinger.y = finger->y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
385 event.tfinger.dx = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
386 event.tfinger.dy = 0;
4683
15dfe42edbfd Fixed gestureMulti. Disabled dollar gesture temporarily.
Jim Grandpre <jim.tla@gmail.com>
parents: 4681
diff changeset
387
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
388 if(SDL_DelFinger(touch,fingerid) < 0) return 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
389 posted = (SDL_PushEvent(&event) > 0);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
390 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
391 return posted;
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
392 }
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
393 }
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
394
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
395 int
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
396 SDL_SendTouchMotion(SDL_TouchID id, SDL_FingerID fingerid, int relative,
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
397 float xin, float yin, float pressurein)
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
398 {
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
399 int index = SDL_GetTouchIndexId(id);
5126
d79ff339d1f2 Fixed bug #1056 (Frequent crashes in Touch events by simply touching the screen)
Sam Lantinga <slouken@libsdl.org>
parents: 5076
diff changeset
400 SDL_Touch *touch;
d79ff339d1f2 Fixed bug #1056 (Frequent crashes in Touch events by simply touching the screen)
Sam Lantinga <slouken@libsdl.org>
parents: 5076
diff changeset
401 SDL_Finger *finger;
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
402 int posted;
4683
15dfe42edbfd Fixed gestureMulti. Disabled dollar gesture temporarily.
Jim Grandpre <jim.tla@gmail.com>
parents: 4681
diff changeset
403 Sint16 xrel, yrel;
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
404 float x_max = 0, y_max = 0;
5126
d79ff339d1f2 Fixed bug #1056 (Frequent crashes in Touch events by simply touching the screen)
Sam Lantinga <slouken@libsdl.org>
parents: 5076
diff changeset
405 Uint16 x;
d79ff339d1f2 Fixed bug #1056 (Frequent crashes in Touch events by simply touching the screen)
Sam Lantinga <slouken@libsdl.org>
parents: 5076
diff changeset
406 Uint16 y;
d79ff339d1f2 Fixed bug #1056 (Frequent crashes in Touch events by simply touching the screen)
Sam Lantinga <slouken@libsdl.org>
parents: 5076
diff changeset
407 Uint16 pressure;
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
408
5126
d79ff339d1f2 Fixed bug #1056 (Frequent crashes in Touch events by simply touching the screen)
Sam Lantinga <slouken@libsdl.org>
parents: 5076
diff changeset
409 touch = SDL_GetTouch(id);
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
410 if (!touch) {
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
411 return SDL_TouchNotFoundError(id);
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
412 }
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
413
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
414 //scale to Integer coordinates
4865
fff50e86c891 Update VS2010 project to add new files; update new files so code builds on Win32/Win64
Andreas Schiffler <aschiffler@ferzkopp.net>
parents: 4689
diff changeset
415 x = (Uint16)((xin+touch->x_min)*(touch->xres)/(touch->native_xres));
fff50e86c891 Update VS2010 project to add new files; update new files so code builds on Win32/Win64
Andreas Schiffler <aschiffler@ferzkopp.net>
parents: 4689
diff changeset
416 y = (Uint16)((yin+touch->y_min)*(touch->yres)/(touch->native_yres));
fff50e86c891 Update VS2010 project to add new files; update new files so code builds on Win32/Win64
Andreas Schiffler <aschiffler@ferzkopp.net>
parents: 4689
diff changeset
417 pressure = (Uint16)((yin+touch->pressure_min)*(touch->pressureres)/(touch->native_pressureres));
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
418 if(touch->flush_motion) {
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
419 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
420 }
4654
7dbcd71216df Added $1 gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents: 4648
diff changeset
421
5126
d79ff339d1f2 Fixed bug #1056 (Frequent crashes in Touch events by simply touching the screen)
Sam Lantinga <slouken@libsdl.org>
parents: 5076
diff changeset
422 finger = SDL_GetFinger(touch,fingerid);
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
423 if(finger == NULL || !finger->down) {
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
424 return SDL_SendFingerDown(id,fingerid,SDL_TRUE,xin,yin,pressurein);
4654
7dbcd71216df Added $1 gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents: 4648
diff changeset
425 } else {
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
426 /* the relative motion is calculated regarding the last position */
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
427 if (relative) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
428 xrel = x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
429 yrel = y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
430 x = (finger->last_x + x);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
431 y = (finger->last_y + y);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
432 } else {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
433 if(xin < touch->x_min) x = finger->last_x; /*If movement is only in one axis,*/
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
434 if(yin < touch->y_min) y = finger->last_y; /*The other is marked as -1*/
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
435 if(pressurein < touch->pressure_min) pressure = finger->last_pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
436 xrel = x - finger->last_x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
437 yrel = y - finger->last_y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
438 //printf("xrel,yrel (%i,%i)\n",(int)xrel,(int)yrel);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
439 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
440
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
441 /* Drop events that don't change state */
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
442 if (!xrel && !yrel) {
4654
7dbcd71216df Added $1 gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents: 4648
diff changeset
443 #if 0
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
444 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
445 #endif
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
446 return 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
447 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
448
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
449 /* Update internal touch coordinates */
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
450
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
451 finger->x = x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
452 finger->y = y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
453
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
454 /*Should scale to window? Normalize? Maintain Aspect?*/
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
455 //SDL_GetWindowSize(touch->focus, &x_max, &y_max);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
456
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
457 /* make sure that the pointers find themselves inside the windows */
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
458 /* only check if touch->xmax is set ! */
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
459 /*
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
460 if (x_max && touch->x > x_max) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
461 touch->x = x_max;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
462 } else if (touch->x < 0) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
463 touch->x = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
464 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
465
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
466 if (y_max && touch->y > y_max) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
467 touch->y = y_max;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
468 } else if (touch->y < 0) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
469 touch->y = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
470 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
471 */
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
472 finger->xdelta = xrel;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
473 finger->ydelta = yrel;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
474 finger->pressure = pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
475
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
476
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
477
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
478 /* Post the event, if desired */
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
479 posted = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
480 if (SDL_GetEventState(SDL_FINGERMOTION) == SDL_ENABLE) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
481 SDL_Event event;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
482 event.tfinger.type = SDL_FINGERMOTION;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
483 event.tfinger.touchId = id;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
484 event.tfinger.fingerId = fingerid;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
485 event.tfinger.x = x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
486 event.tfinger.y = y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
487 event.tfinger.dx = xrel;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
488 event.tfinger.dy = yrel;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
489
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
490 event.tfinger.pressure = pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
491 event.tfinger.state = touch->buttonstate;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
492 event.tfinger.windowID = touch->focus ? touch->focus->id : 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
493 posted = (SDL_PushEvent(&event) > 0);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
494 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
495 finger->last_x = finger->x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
496 finger->last_y = finger->y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
497 finger->last_pressure = finger->pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
498 return posted;
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
499 }
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
500 }
5126
d79ff339d1f2 Fixed bug #1056 (Frequent crashes in Touch events by simply touching the screen)
Sam Lantinga <slouken@libsdl.org>
parents: 5076
diff changeset
501
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
502 int
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
503 SDL_SendTouchButton(SDL_TouchID 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
504 {
5126
d79ff339d1f2 Fixed bug #1056 (Frequent crashes in Touch events by simply touching the screen)
Sam Lantinga <slouken@libsdl.org>
parents: 5076
diff changeset
505 SDL_Touch *touch;
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 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
507 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
508
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
509
5126
d79ff339d1f2 Fixed bug #1056 (Frequent crashes in Touch events by simply touching the screen)
Sam Lantinga <slouken@libsdl.org>
parents: 5076
diff changeset
510 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
511 if (!touch) {
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
512 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
513 }
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
514
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 /* 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
516 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
517 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
518 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
519 /* 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
520 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
521 }
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
522 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
523 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
524 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
525 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
526 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
527 /* 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
528 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
529 }
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 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
531 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
532 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
533 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
534 /* 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
535 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
536 }
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
537
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
538 /* 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
539 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
540 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
541 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
542 event.type = type;
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
543 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
544 event.tbutton.state = state;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
545 event.tbutton.button = button;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
546 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
547 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
548 }
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
549 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
550 }
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
551
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
552 char *
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
553 SDL_GetTouchName(SDL_TouchID 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
554 {
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
555 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
556 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
557 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
558 }
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
559 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
560 }
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
561
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
562 int SDL_TouchNotFoundError(SDL_TouchID id) {
4868
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
563 //int i;
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
564 SDL_SetError("ERROR: Cannot send touch on non-existent device with id: %li make sure SDL_AddTouch has been called\n",id);
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
565 #if 0
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
566 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
567 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
568 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
569 }
4868
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
570 #endif
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
571 return 0;
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
572 }
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
573 /* vi: set ts=4 sw=4 expandtab: */