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annotate src/video/uikit/SDL_uikitview.m @ 5083:25d4feb7c127

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Renamed SDL_keysym to SDL_KeySym Renamed SDL_scancode to SDL_ScanCode Added #defines to SDL_compat.h
author krogoway
date Mon, 24 Jan 2011 13:47:35 -0600
parents a69e36365766
children 7b7da52e8775
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #import "SDL_uikitview.h"
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24
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25 #include "../../events/SDL_keyboard_c.h"
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26 #include "../../events/SDL_mouse_c.h"
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27 #include "../../events/SDL_touch_c.h"
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28
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29 #if SDL_IPHONE_KEYBOARD
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30 #import "keyinfotable.h"
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31 #import "SDL_uikitappdelegate.h"
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32 #import "SDL_uikitwindow.h"
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33 #endif
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34
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35 @implementation SDL_uikitview
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36
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37 - (void)dealloc {
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38 [super dealloc];
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39 }
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40
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41 - (id)initWithFrame:(CGRect)frame {
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42
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43 self = [super initWithFrame: frame];
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44
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45 #if SDL_IPHONE_KEYBOARD
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46 [self initializeKeyboard];
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47 #endif
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48
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49 #ifdef FIXED_MULTITOUCH
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50 SDL_Touch touch;
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51 touch.id = 0; //TODO: Should be -1?
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52
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53 //touch.driverdata = SDL_malloc(sizeof(EventTouchData));
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54 //EventTouchData* data = (EventTouchData*)(touch.driverdata);
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55
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56 touch.x_min = 0;
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57 touch.x_max = frame.size.width;
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58 touch.native_xres = touch.x_max - touch.x_min;
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59 touch.y_min = 0;
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60 touch.y_max = frame.size.height;
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61 touch.native_yres = touch.y_max - touch.y_min;
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62 touch.pressure_min = 0;
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63 touch.pressure_max = 1;
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64 touch.native_pressureres = touch.pressure_max - touch.pressure_min;
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66
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67 touchId = SDL_AddTouch(&touch, "IPHONE SCREEN");
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68 #endif
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69
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70 return self;
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71
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72 }
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73
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74 - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
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75
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76 NSEnumerator *enumerator = [touches objectEnumerator];
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77 UITouch *touch = (UITouch*)[enumerator nextObject];
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78
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79 //NSLog("Click");
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80
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81 if (touch) {
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82 CGPoint locationInView = [touch locationInView: self];
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83
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84 /* send moved event */
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85 SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y);
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86
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87 /* send mouse down event */
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88 SDL_SendMouseButton(NULL, SDL_PRESSED, SDL_BUTTON_LEFT);
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89 }
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90
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91 #ifdef FIXED_MULTITOUCH
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92 while(touch) {
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93 CGPoint locationInView = [touch locationInView: self];
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94
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95
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96 #ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS
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97 //FIXME: TODO: Using touch as the fingerId is potentially dangerous
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98 //It is also much more efficient than storing the UITouch pointer
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99 //and comparing it to the incoming event.
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100 SDL_SendFingerDown(touchId,(long)touch,
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101 SDL_TRUE,locationInView.x,locationInView.y,
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102 1);
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103 #else
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104 int i;
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105 for(i = 0;i < MAX_SIMULTANEOUS_TOUCHES;i++) {
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106 if(finger[i] == NULL) {
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107 finger[i] = touch;
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108 SDL_SendFingerDown(touchId,i,
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109 SDL_TRUE,locationInView.x,locationInView.y,
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110 1);
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111 break;
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112 }
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113 }
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114 #endif
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115
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116
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117
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118
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119 touch = (UITouch*)[enumerator nextObject];
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120 }
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121 #endif
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122 }
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123
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124 - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
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125
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126 NSEnumerator *enumerator = [touches objectEnumerator];
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127 UITouch *touch = (UITouch*)[enumerator nextObject];
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128
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129 if (touch) {
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130 /* send mouse up */
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131 SDL_SendMouseButton(NULL, SDL_RELEASED, SDL_BUTTON_LEFT);
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132 }
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133
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134 #ifdef FIXED_MULTITOUCH
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135 while(touch) {
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136 CGPoint locationInView = [touch locationInView: self];
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137
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138
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139 #ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS
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140 SDL_SendFingerDown(touchId,(long)touch,
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141 SDL_FALSE,locationInView.x,locationInView.y,
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142 1);
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143 #else
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144 int i;
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145 for(i = 0;i < MAX_SIMULTANEOUS_TOUCHES;i++) {
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146 if(finger[i] == touch) {
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147 SDL_SendFingerDown(touchId,i,
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148 SDL_FALSE,locationInView.x,locationInView.y,
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149 1);
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150 break;
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151 }
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152 }
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153 #endif
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154
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155 touch = (UITouch*)[enumerator nextObject];
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156 }
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157 #endif
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158 }
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159
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160 - (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {
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161 /*
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162 this can happen if the user puts more than 5 touches on the screen
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163 at once, or perhaps in other circumstances. Usually (it seems)
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164 all active touches are canceled.
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165 */
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166 [self touchesEnded: touches withEvent: event];
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167 }
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168
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169 - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
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170
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171 NSEnumerator *enumerator = [touches objectEnumerator];
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172 UITouch *touch = (UITouch*)[enumerator nextObject];
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173
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174 if (touch) {
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175 CGPoint locationInView = [touch locationInView: self];
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176
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177 /* send moved event */
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178 SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y);
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179 }
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180
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181 #ifdef FIXED_MULTITOUCH
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182 while(touch) {
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183 CGPoint locationInView = [touch locationInView: self];
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184
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185
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186 #ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS
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187 SDL_SendTouchMotion(touchId,(long)touch,
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188 SDL_FALSE,locationInView.x,locationInView.y,
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189 1);
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190 #else
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191 int i;
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192 for(i = 0;i < MAX_SIMULTANEOUS_TOUCHES;i++) {
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193 if(finger[i] == touch) {
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194 SDL_SendTouchMotion(touchId,i,
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195 SDL_FALSE,locationInView.x,locationInView.y,
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196 1);
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197 break;
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198 }
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199 }
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200 #endif
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201
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202 touch = (UITouch*)[enumerator nextObject];
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203 }
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204 #endif
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205 }
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206
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207 /*
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208 ---- Keyboard related functionality below this line ----
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209 */
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210 #if SDL_IPHONE_KEYBOARD
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211
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212 /* Is the iPhone virtual keyboard visible onscreen? */
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213 - (BOOL)keyboardVisible {
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214 return keyboardVisible;
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215 }
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216
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217 /* Set ourselves up as a UITextFieldDelegate */
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218 - (void)initializeKeyboard {
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219
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220 textField = [[UITextField alloc] initWithFrame: CGRectZero];
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221 textField.delegate = self;
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222 /* placeholder so there is something to delete! */
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223 textField.text = @" ";
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224
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225 /* set UITextInputTrait properties, mostly to defaults */
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226 textField.autocapitalizationType = UITextAutocapitalizationTypeNone;
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227 textField.autocorrectionType = UITextAutocorrectionTypeNo;
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228 textField.enablesReturnKeyAutomatically = NO;
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229 textField.keyboardAppearance = UIKeyboardAppearanceDefault;
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230 textField.keyboardType = UIKeyboardTypeDefault;
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231 textField.returnKeyType = UIReturnKeyDefault;
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232 textField.secureTextEntry = NO;
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233
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234 textField.hidden = YES;
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235 keyboardVisible = NO;
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236 /* add the UITextField (hidden) to our view */
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237 [self addSubview: textField];
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238 [textField release];
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239 }
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240
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241 /* reveal onscreen virtual keyboard */
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242 - (void)showKeyboard {
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243 keyboardVisible = YES;
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244 [textField becomeFirstResponder];
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245 }
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246
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247 /* hide onscreen virtual keyboard */
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248 - (void)hideKeyboard {
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249 keyboardVisible = NO;
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250 [textField resignFirstResponder];
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251 }
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252
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253 /* UITextFieldDelegate method. Invoked when user types something. */
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254 - (BOOL)textField:(UITextField *)_textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
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255
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256 if ([string length] == 0) {
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257 /* it wants to replace text with nothing, ie a delete */
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258 SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_DELETE);
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259 SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_DELETE);
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260 }
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261 else {
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262 /* go through all the characters in the string we've been sent
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263 and convert them to key presses */
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264 int i;
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265 for (i=0; i<[string length]; i++) {
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266
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267 unichar c = [string characterAtIndex: i];
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268
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269 Uint16 mod = 0;
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25d4feb7c127 Renamed SDL_keysym to SDL_KeySym
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diff changeset
270 SDL_ScanCode code;
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271
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272 if (c < 127) {
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273 /* figure out the SDL_ScanCode and SDL_keymod for this unichar */
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274 code = unicharToUIKeyInfoTable[c].code;
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275 mod = unicharToUIKeyInfoTable[c].mod;
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276 }
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277 else {
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diff changeset
278 /* we only deal with ASCII right now */
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279 code = SDL_SCANCODE_UNKNOWN;
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280 mod = 0;
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281 }
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282
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parents:
diff changeset
283 if (mod & KMOD_SHIFT) {
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parents:
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284 /* If character uses shift, press shift down */
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06c7423f8c60 Updated iPhone keyboard code (which builds and runs on the iPad and iPhone simulator now)
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diff changeset
285 SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_LSHIFT);
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286 }
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parents:
diff changeset
287 /* send a keydown and keyup even for the character */
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06c7423f8c60 Updated iPhone keyboard code (which builds and runs on the iPad and iPhone simulator now)
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diff changeset
288 SDL_SendKeyboardKey(SDL_PRESSED, code);
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diff changeset
289 SDL_SendKeyboardKey(SDL_RELEASED, code);
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diff changeset
290 if (mod & KMOD_SHIFT) {
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diff changeset
291 /* If character uses shift, press shift back up */
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diff changeset
292 SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT);
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293 }
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diff changeset
294 }
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parents:
diff changeset
295 }
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diff changeset
296 return NO; /* don't allow the edit! (keep placeholder text there) */
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diff changeset
297 }
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diff changeset
298
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diff changeset
299 /* Terminates the editing session */
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diff changeset
300 - (BOOL)textFieldShouldReturn:(UITextField*)_textField {
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diff changeset
301 [self hideKeyboard];
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diff changeset
302 return YES;
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parents:
diff changeset
303 }
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304
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diff changeset
305 #endif
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diff changeset
306
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parents:
diff changeset
307 @end
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diff changeset
308
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diff changeset
309 /* iPhone keyboard addition functions */
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diff changeset
310 #if SDL_IPHONE_KEYBOARD
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311
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64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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parents: 2940
diff changeset
312 int SDL_iPhoneKeyboardShow(SDL_Window * window) {
2765
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313
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diff changeset
314 SDL_WindowData *data;
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diff changeset
315 SDL_uikitview *view;
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diff changeset
316
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parents:
diff changeset
317 if (NULL == window) {
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diff changeset
318 SDL_SetError("Window does not exist");
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diff changeset
319 return -1;
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parents:
diff changeset
320 }
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parents:
diff changeset
321
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diff changeset
322 data = (SDL_WindowData *)window->driverdata;
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parents:
diff changeset
323 view = data->view;
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parents:
diff changeset
324
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parents:
diff changeset
325 if (nil == view) {
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parents:
diff changeset
326 SDL_SetError("Window has no view");
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parents:
diff changeset
327 return -1;
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parents:
diff changeset
328 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 else {
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parents:
diff changeset
330 [view showKeyboard];
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diff changeset
331 return 0;
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parents:
diff changeset
332 }
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diff changeset
333 }
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parents:
diff changeset
334
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64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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diff changeset
335 int SDL_iPhoneKeyboardHide(SDL_Window * window) {
2765
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diff changeset
336
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diff changeset
337 SDL_WindowData *data;
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diff changeset
338 SDL_uikitview *view;
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parents:
diff changeset
339
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diff changeset
340 if (NULL == window) {
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diff changeset
341 SDL_SetError("Window does not exist");
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parents:
diff changeset
342 return -1;
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parents:
diff changeset
343 }
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diff changeset
344
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diff changeset
345 data = (SDL_WindowData *)window->driverdata;
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diff changeset
346 view = data->view;
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diff changeset
347
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diff changeset
348 if (NULL == view) {
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diff changeset
349 SDL_SetError("Window has no view");
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diff changeset
350 return -1;
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parents:
diff changeset
351 }
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parents:
diff changeset
352 else {
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diff changeset
353 [view hideKeyboard];
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diff changeset
354 return 0;
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parents:
diff changeset
355 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
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diff changeset
357
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parents: 2940
diff changeset
358 SDL_bool SDL_iPhoneKeyboardIsShown(SDL_Window * window) {
2765
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parents:
diff changeset
359
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diff changeset
360 SDL_WindowData *data;
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parents:
diff changeset
361 SDL_uikitview *view;
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parents:
diff changeset
362
f55c87ae336b Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
363 if (NULL == window) {
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parents:
diff changeset
364 SDL_SetError("Window does not exist");
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 return -1;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 }
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parents:
diff changeset
367
f55c87ae336b Final merge of Google Summer of Code 2008 work...
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diff changeset
368 data = (SDL_WindowData *)window->driverdata;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 view = data->view;
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parents:
diff changeset
370
f55c87ae336b Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
371 if (NULL == view) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 SDL_SetError("Window has no view");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 return 0;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 else {
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 return view.keyboardVisible;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 2940
diff changeset
380 int SDL_iPhoneKeyboardToggle(SDL_Window * window) {
2765
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parents:
diff changeset
381
f55c87ae336b Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
382 SDL_WindowData *data;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 SDL_uikitview *view;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 if (NULL == window) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 SDL_SetError("Window does not exist");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 return -1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 data = (SDL_WindowData *)window->driverdata;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 view = data->view;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 if (NULL == view) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 SDL_SetError("Window has no view");
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 return -1;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 else {
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 2940
diff changeset
398 if (SDL_iPhoneKeyboardIsShown(window)) {
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 2940
diff changeset
399 SDL_iPhoneKeyboardHide(window);
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 else {
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 2940
diff changeset
402 SDL_iPhoneKeyboardShow(window);
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 return 0;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 #else
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 /* stubs, used if compiled without keyboard support */
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 2940
diff changeset
412 int SDL_iPhoneKeyboardShow(SDL_Window * window) {
2765
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 SDL_SetError("Not compiled with keyboard support");
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 return -1;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
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417 int SDL_iPhoneKeyboardHide(SDL_Window * window) {
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418 SDL_SetError("Not compiled with keyboard support");
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419 return -1;
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420 }
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421
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422 SDL_bool SDL_iPhoneKeyboardIsShown(SDL_Window * window) {
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423 return 0;
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424 }
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425
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426 int SDL_iPhoneKeyboardToggle(SDL_Window * window) {
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427 SDL_SetError("Not compiled with keyboard support");
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428 return -1;
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429 }
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430
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431
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432 #endif /* SDL_IPHONE_KEYBOARD */