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annotate src/events/SDL_touch.c @ 5053:b5b42be9333c

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Fixed bug #1026 Vittorio Giovara 2010-07-16 19:09:28 PDT i was reading SDL_renderer_gles and i noticed that every time we there is some gl call the gl state is modified with a couple of glEnableClientState()/glDisableClientState. While this is completely fine for desktops systems, this is a major performace kill on mobile devices, right where opengles is implemented. Normal practice in this case is to update the glstate once, keep it always the same and disable/enable other states only in very special occasions. On the web there's plenty of documentation (on the top of my head http://developer.apple.com/iphone/library/documentation/3DDrawing/Conceptual/OpenGLES_ProgrammingGuide/Performance/Performance.html#//apple_ref/doc/uid/TP40008793-CH105-SW5 ) and i personally tried this. I modified my code and got a 10 fps boost, then modified SDL_render_gles and shifted from 40 fps to 50 fps alone -- considering that i started from ~30fps i got an 80% performance increase with this technique. I have attached a dif of my changes, hope that it will be included in mainstream.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 19 Jan 2011 23:56:16 -0800
parents 716b2cbf4c9e
children 8bf5781fc582
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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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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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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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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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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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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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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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 SDL_touchPads[index]->xres = (1<<(16-1));
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143 SDL_touchPads[index]->yres = (1<<(16-1));
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144 //Do I want this here? Probably
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145 SDL_GestureAddTouch(SDL_touchPads[index]);
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146
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147 return index;
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148 }
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149
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150 void
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151 SDL_DelTouch(SDL_TouchID id)
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152 {
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153 int index = SDL_GetTouchIndexId(id);
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154 SDL_Touch *touch = SDL_GetTouch(id);
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155
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156 if (!touch) {
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157 return;
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158 }
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159
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160
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161 SDL_free(touch->name);
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162
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163 if (touch->FreeTouch) {
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164 touch->FreeTouch(touch);
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165 }
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166 SDL_free(touch);
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167
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168 SDL_num_touch--;
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169 SDL_touchPads[index] = SDL_touchPads[SDL_num_touch];
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170 }
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171
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172 void
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173 SDL_TouchQuit(void)
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174 {
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175 int i;
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176
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177 for (i = SDL_num_touch-1; i > 0 ; --i) {
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178 SDL_DelTouch(i);
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179 }
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180 SDL_num_touch = 0;
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181
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182 if (SDL_touchPads) {
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183 SDL_free(SDL_touchPads);
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184 SDL_touchPads = NULL;
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185 }
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186 }
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187
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188 int
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189 SDL_GetNumTouch(void)
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190 {
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191 return SDL_num_touch;
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192 }
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193 SDL_Window *
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194 SDL_GetTouchFocusWindow(SDL_TouchID id)
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195 {
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196 SDL_Touch *touch = SDL_GetTouch(id);
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197
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198 if (!touch) {
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199 return 0;
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200 }
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201 return touch->focus;
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202 }
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203
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204 void
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205 SDL_SetTouchFocus(SDL_TouchID id, SDL_Window * window)
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206 {
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207 int index = SDL_GetTouchIndexId(id);
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208 SDL_Touch *touch = SDL_GetTouch(id);
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209 int i;
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210 SDL_bool focus;
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211
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212 if (!touch || (touch->focus == window)) {
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213 return;
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214 }
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215
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216 /* See if the current window has lost focus */
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217 if (touch->focus) {
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218 focus = SDL_FALSE;
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219 for (i = 0; i < SDL_num_touch; ++i) {
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220 SDL_Touch *check;
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221 if (i != index) {
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222 check = SDL_touchPads[i];
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223 if (check && check->focus == touch->focus) {
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224 focus = SDL_TRUE;
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225 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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226 }
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227 }
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228 }
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229 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
230 SDL_SendWindowEvent(touch->focus, SDL_WINDOWEVENT_LEAVE, 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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231 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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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
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234 touch->focus = window;
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235
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diff changeset
236 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
237 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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diff changeset
238 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
239 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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diff changeset
240 if (i != index) {
4641
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diff changeset
241 check = SDL_touchPads[i];
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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diff changeset
242 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
243 focus = SDL_TRUE;
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:
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244 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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245 }
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246 }
f068a6dfc858 Added SDL_touch.c/SDL_touch_c.h as slightly modifeind SDL_mouse*. Made reads in touchSimp non-blocking.
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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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diff changeset
248 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
249 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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250 }
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:
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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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diff changeset
252 }
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253
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254 int
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
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diff changeset
255 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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256 {
4641
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diff changeset
257 int index;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
258 SDL_Finger **fingers;
4646
eea1bf53effa Added include/touch.h Now reading in resolution of touch pad.
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diff changeset
259 //printf("Adding Finger...\n");
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
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diff changeset
260 if (SDL_GetFingerIndexId(touch,finger->id) != -1) {
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
261 SDL_SetError("Finger ID already in use");
4919
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262 }
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
263
4641
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diff changeset
264 /* Add the touch to the list of touch */
4646
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diff changeset
265 if(touch->num_fingers >= touch->max_fingers){
4919
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266 //printf("Making room for it!\n");
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diff changeset
267 fingers = (SDL_Finger **) SDL_realloc(touch->fingers,
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diff changeset
268 (touch->num_fingers + 1) * sizeof(SDL_Finger *));
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diff changeset
269 touch->max_fingers = touch->num_fingers+1;
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diff changeset
270 if (!fingers) {
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diff changeset
271 SDL_OutOfMemory();
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diff changeset
272 return -1;
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diff changeset
273 } else {
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diff changeset
274 touch->max_fingers = touch->num_fingers+1;
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diff changeset
275 touch->fingers = fingers;
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276 }
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diff changeset
277 }
4645
0375d020e7e3 Auto-detects Wacom touch devices.
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diff changeset
278
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eea1bf53effa Added include/touch.h Now reading in resolution of touch pad.
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diff changeset
279 index = touch->num_fingers;
eea1bf53effa Added include/touch.h Now reading in resolution of touch pad.
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diff changeset
280 //printf("Max_Fingers: %i Index: %i\n",touch->max_fingers,index);
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
281
4646
eea1bf53effa Added include/touch.h Now reading in resolution of touch pad.
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diff changeset
282 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
283 if (!touch->fingers[index]) {
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
284 SDL_OutOfMemory();
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
285 return -1;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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parents: 4640
diff changeset
286 }
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
287 *(touch->fingers[index]) = *finger;
4646
eea1bf53effa Added include/touch.h Now reading in resolution of touch pad.
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diff changeset
288 touch->num_fingers++;
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
289
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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diff changeset
290 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
291 }
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 int
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
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diff changeset
294 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
295 {
4642
057e8762d2a1 Added reading of event* for touch events.
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parents: 4641
diff changeset
296 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
297 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
298
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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parents: 4640
diff changeset
299 if (!finger) {
4648
0350b634c044 Fixed windo build errors. Should now be compilable.
jimtla
parents: 4646
diff changeset
300 return -1;
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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parents: 4640
diff changeset
301 }
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
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 SDL_free(finger);
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
305 touch->num_fingers--;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
306 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
307 return 0;
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
308 }
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 int
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
312 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
313 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
314 {
4643
8806b78988f7 Bug fixes. Basic touch events (finger up, finger down, finger move) supported.
Jim Grandpre <jim.tla@gmail.com>
parents: 4642
diff changeset
315 int posted;
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
316 Uint16 x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
317 Uint16 y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
318 Uint16 pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
319 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
320
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
321 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
322
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
323 if(!touch) {
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
324 return SDL_TouchNotFoundError(id);
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
325 }
4683
15dfe42edbfd Fixed gestureMulti. Disabled dollar gesture temporarily.
Jim Grandpre <jim.tla@gmail.com>
parents: 4681
diff changeset
326
15dfe42edbfd Fixed gestureMulti. Disabled dollar gesture temporarily.
Jim Grandpre <jim.tla@gmail.com>
parents: 4681
diff changeset
327
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
328 //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
329 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
330 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
331 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
332
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
333 finger = SDL_GetFinger(touch,fingerid);
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
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parents: 4640
diff changeset
334 if(down) {
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
335 if(finger == NULL) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
336 SDL_Finger nf;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
337 nf.id = fingerid;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
338 nf.x = x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
339 nf.y = y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
340 nf.pressure = pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
341 nf.xdelta = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
342 nf.ydelta = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
343 nf.last_x = x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
344 nf.last_y = y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
345 nf.last_pressure = pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
346 nf.down = SDL_FALSE;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
347 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
348 finger = SDL_GetFinger(touch,fingerid);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
349 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
350 else if(finger->down) return 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
351 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
352 posted = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
353 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
354 SDL_Event event;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
355 event.tfinger.type = SDL_FINGERDOWN;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
356 event.tfinger.touchId = id;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
357 event.tfinger.x = x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
358 event.tfinger.y = y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
359 event.tfinger.pressure = pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
360 event.tfinger.state = touch->buttonstate;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
361 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
362 event.tfinger.fingerId = fingerid;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
363 posted = (SDL_PushEvent(&event) > 0);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
364 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
365 if(posted) finger->down = SDL_TRUE;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
366 return posted;
4641
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 else {
4868
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
369 if(finger == NULL) {
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
370 SDL_SetError("Finger not found.");
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
371 return 0;
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
372 }
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
373 posted = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
374 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
375 SDL_Event event;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
376 event.tfinger.type = SDL_FINGERUP;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
377 event.tfinger.touchId = id;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
378 event.tfinger.state = touch->buttonstate;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
379 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
380 event.tfinger.fingerId = fingerid;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
381 //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
382 event.tfinger.x = finger->x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
383 event.tfinger.y = finger->y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
384 event.tfinger.dx = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
385 event.tfinger.dy = 0;
4683
15dfe42edbfd Fixed gestureMulti. Disabled dollar gesture temporarily.
Jim Grandpre <jim.tla@gmail.com>
parents: 4681
diff changeset
386
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
387 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
388 posted = (SDL_PushEvent(&event) > 0);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
389 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
390 return posted;
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
391 }
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 int
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
395 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
396 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
397 {
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 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
399 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
400 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
401 int posted;
4683
15dfe42edbfd Fixed gestureMulti. Disabled dollar gesture temporarily.
Jim Grandpre <jim.tla@gmail.com>
parents: 4681
diff changeset
402 Sint16 xrel, yrel;
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
403 float x_max = 0, y_max = 0;
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
404 Uint16 x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
405 Uint16 y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
406 Uint16 pressure;
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
407
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
408 if (!touch) {
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
409 return SDL_TouchNotFoundError(id);
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
410 }
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
411
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
412 //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
413 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
414 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
415 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
416 if(touch->flush_motion) {
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
417 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
418 }
4654
7dbcd71216df Added $1 gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents: 4648
diff changeset
419
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
420 if(finger == NULL || !finger->down) {
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
421 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
422 } else {
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
423 /* 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
424 if (relative) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
425 xrel = x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
426 yrel = y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
427 x = (finger->last_x + x);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
428 y = (finger->last_y + y);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
429 } else {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
430 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
431 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
432 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
433 xrel = x - finger->last_x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
434 yrel = y - finger->last_y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
435 //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
436 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
437
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
438 /* 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
439 if (!xrel && !yrel) {
4654
7dbcd71216df Added $1 gesture recognition.
Jim Grandpre <jim.tla@gmail.com>
parents: 4648
diff changeset
440 #if 0
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
441 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
442 #endif
4919
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
443 return 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
444 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
445
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
446 /* Update internal touch coordinates */
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 finger->x = x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
449 finger->y = y;
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 /*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
452 //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
453
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
454 /* 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
455 /* 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
456 /*
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
457 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
458 touch->x = x_max;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
459 } else if (touch->x < 0) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
460 touch->x = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
461 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
462
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
463 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
464 touch->y = y_max;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
465 } else if (touch->y < 0) {
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
466 touch->y = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
467 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
468 */
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
469 finger->xdelta = xrel;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
470 finger->ydelta = yrel;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
471 finger->pressure = pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
472
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
473
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
474
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
475 /* Post the event, if desired */
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
476 posted = 0;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
477 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
478 SDL_Event event;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
479 event.tfinger.type = SDL_FINGERMOTION;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
480 event.tfinger.touchId = id;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
481 event.tfinger.fingerId = fingerid;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
482 event.tfinger.x = x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
483 event.tfinger.y = y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
484 event.tfinger.dx = xrel;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
485 event.tfinger.dy = yrel;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
486
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
487 event.tfinger.pressure = pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
488 event.tfinger.state = touch->buttonstate;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
489 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
490 posted = (SDL_PushEvent(&event) > 0);
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
491 }
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
492 finger->last_x = finger->x;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
493 finger->last_y = finger->y;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
494 finger->last_pressure = finger->pressure;
716b2cbf4c9e First pass at Windows multi-touch gesture support
Sam Lantinga <slouken@libsdl.org>
parents: 4868
diff changeset
495 return posted;
4655
4c94f2023d62 Fixed bugs in input, cleaned up $1
Jim Grandpre <jim.tla@gmail.com>
parents: 4654
diff changeset
496 }
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
497 }
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 int
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
499 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
500 {
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
501 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
502 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
503 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
504
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
505
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 if (!touch) {
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
507 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
508 }
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 /* 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
511 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
512 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
513 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
514 /* 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
515 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
516 }
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 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
518 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 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
520 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
521 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
522 /* 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
523 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
524 }
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 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
526 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 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
528 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
529 /* 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
530 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
531 }
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
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 /* 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
534 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
535 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
536 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
537 event.type = type;
4676
99b4560b7aa1 Upgraded touchId/fingerId to long. Changed position variables to floats.
jimtla
parents: 4674
diff changeset
538 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
539 event.tbutton.state = state;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
540 event.tbutton.button = button;
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
541 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
542 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
543 }
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
544 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
545 }
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
546
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
547 char *
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
548 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
549 {
4641
49a97daea6ec Added touch event definitions. Heavily modified events/SDL_touch*.
Jim Grandpre <jim.tla@gmail.com>
parents: 4640
diff changeset
550 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
551 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
552 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
553 }
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 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
555 }
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
4678
f8431f66613d Added SDL_TouchID, SDL_FingerID, SDL_GestureID types. Converted to integer cioordinates (<- not working).
jimtla
parents: 4676
diff changeset
557 int SDL_TouchNotFoundError(SDL_TouchID id) {
4868
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
558 //int i;
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
559 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
560 #if 0
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
561 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
562 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
563 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
564 }
4868
d6adaafcfb10 Fixed compiling with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 4865
diff changeset
565 #endif
4674
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
566 return 0;
89d5e2201b00 Prevented SDL_SendDown from sending on nonexistent touch devices.
Jim Grandpre <jim.tla@gmail.com>
parents: 4667
diff changeset
567 }
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
568 /* vi: set ts=4 sw=4 expandtab: */