annotate src/video/uikit/SDL_uikitview.m @ 4490:06c7423f8c60

Updated iPhone keyboard code (which builds and runs on the iPad and iPhone simulator now) Updated iPhone demos (which build and run again)
author Sam Lantinga <slouken@libsdl.org>
date Wed, 07 Jul 2010 18:58:51 -0700
parents 6dc6a2bdd55e
children 95352c671a6e 03dcb795c583
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
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28 #if SDL_IPHONE_KEYBOARD
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29 #import "keyinfotable.h"
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30 #import "SDL_uikitappdelegate.h"
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31 #import "SDL_uikitwindow.h"
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32 #endif
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33
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34 @implementation SDL_uikitview
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35
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36 - (void)dealloc {
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37 #if SDL_IPHONE_KEYBOARD
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38 [textField release];
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39 #endif
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40 [super dealloc];
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41 }
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42
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43 - (id)initWithFrame:(CGRect)frame {
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44
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45 self = [super initWithFrame: frame];
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46
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47 #if SDL_IPHONE_KEYBOARD
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48 [self initializeKeyboard];
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49 #endif
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50
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51 #if FIXME_MULTITOUCH
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52 int i;
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53 for (i=0; i<MAX_SIMULTANEOUS_TOUCHES; i++) {
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54 mice[i].id = i;
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55 mice[i].driverdata = NULL;
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56 SDL_AddMouse(&mice[i], "Mouse", 0, 0, 1);
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57 }
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58 self.multipleTouchEnabled = YES;
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59 #endif
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60
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61 return self;
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62
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63 }
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64
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65 - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
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66
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67 NSEnumerator *enumerator = [touches objectEnumerator];
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68 UITouch *touch = (UITouch*)[enumerator nextObject];
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69
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70 #if FIXME_MULTITOUCH
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71 /* associate touches with mice, so long as we have slots */
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72 int i;
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73 int found = 0;
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74 for(i=0; touch && i < MAX_SIMULTANEOUS_TOUCHES; i++) {
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75
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76 /* check if this mouse is already tracking a touch */
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77 if (mice[i].driverdata != NULL) {
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78 continue;
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79 }
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80 /*
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81 mouse not associated with anything right now,
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82 associate the touch with this mouse
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83 */
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84 found = 1;
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85
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86 /* save old mouse so we can switch back */
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87 int oldMouse = SDL_SelectMouse(-1);
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88
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89 /* select this slot's mouse */
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90 SDL_SelectMouse(i);
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91 CGPoint locationInView = [touch locationInView: self];
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92
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93 /* set driver data to touch object, we'll use touch object later */
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94 mice[i].driverdata = [touch retain];
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95
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96 /* send moved event */
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97 SDL_SendMouseMotion(i, 0, locationInView.x, locationInView.y, 0);
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98
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99 /* send mouse down event */
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100 SDL_SendMouseButton(i, SDL_PRESSED, SDL_BUTTON_LEFT);
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101
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102 /* re-calibrate relative mouse motion */
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103 SDL_GetRelativeMouseState(i, NULL, NULL);
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104
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105 /* switch back to our old mouse */
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106 SDL_SelectMouse(oldMouse);
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107
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108 /* grab next touch */
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109 touch = (UITouch*)[enumerator nextObject];
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110 }
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111 #else
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112 if (touch) {
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113 CGPoint locationInView = [touch locationInView: self];
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114
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115 /* send moved event */
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116 SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y);
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117
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118 /* send mouse down event */
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119 SDL_SendMouseButton(NULL, SDL_PRESSED, SDL_BUTTON_LEFT);
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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 FIXME_MULTITOUCH
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130 while(touch) {
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131 /* search for the mouse slot associated with this touch */
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132 int i, found = NO;
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133 for (i=0; i<MAX_SIMULTANEOUS_TOUCHES && !found; i++) {
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134 if (mice[i].driverdata == touch) {
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135 /* found the mouse associate with the touch */
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136 [(UITouch*)(mice[i].driverdata) release];
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137 mice[i].driverdata = NULL;
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138 /* send mouse up */
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139 SDL_SendMouseButton(i, SDL_RELEASED, SDL_BUTTON_LEFT);
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140 /* discontinue search for this touch */
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141 found = YES;
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142 }
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143 }
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144
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145 /* grab next touch */
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146 touch = (UITouch*)[enumerator nextObject];
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147 }
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148 #else
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149 if (touch) {
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150 /* send mouse up */
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151 SDL_SendMouseButton(NULL, SDL_RELEASED, SDL_BUTTON_LEFT);
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152 }
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153 #endif
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154 }
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155
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156 - (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {
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157 /*
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158 this can happen if the user puts more than 5 touches on the screen
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159 at once, or perhaps in other circumstances. Usually (it seems)
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160 all active touches are canceled.
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161 */
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162 [self touchesEnded: touches withEvent: event];
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163 }
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164
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165 - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
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166
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167 NSEnumerator *enumerator = [touches objectEnumerator];
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168 UITouch *touch = (UITouch*)[enumerator nextObject];
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169
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170 #if FIXME_MULTITOUCH
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171 while(touch) {
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172 /* try to find the mouse associated with this touch */
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173 int i, found = NO;
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174 for (i=0; i<MAX_SIMULTANEOUS_TOUCHES && !found; i++) {
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175 if (mice[i].driverdata == touch) {
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176 /* found proper mouse */
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177 CGPoint locationInView = [touch locationInView: self];
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178 /* send moved event */
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179 SDL_SendMouseMotion(i, 0, locationInView.x, locationInView.y, 0);
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180 /* discontinue search */
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181 found = YES;
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182 }
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183 }
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184
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185 /* grab next touch */
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186 touch = (UITouch*)[enumerator nextObject];
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187 }
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188 #else
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189 if (touch) {
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190 CGPoint locationInView = [touch locationInView: self];
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191
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192 /* send moved event */
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193 SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y);
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194 }
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195 #endif
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196 }
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197
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198 /*
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199 ---- Keyboard related functionality below this line ----
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200 */
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201 #if SDL_IPHONE_KEYBOARD
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202
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203 /* Is the iPhone virtual keyboard visible onscreen? */
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204 - (BOOL)keyboardVisible {
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205 return keyboardVisible;
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206 }
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207
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208 /* Set ourselves up as a UITextFieldDelegate */
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209 - (void)initializeKeyboard {
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210
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211 textField = [[[UITextField alloc] initWithFrame: CGRectZero] autorelease];
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212 textField.delegate = self;
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213 /* placeholder so there is something to delete! */
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214 textField.text = @" ";
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215
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216 /* set UITextInputTrait properties, mostly to defaults */
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217 textField.autocapitalizationType = UITextAutocapitalizationTypeNone;
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218 textField.autocorrectionType = UITextAutocorrectionTypeNo;
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219 textField.enablesReturnKeyAutomatically = NO;
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220 textField.keyboardAppearance = UIKeyboardAppearanceDefault;
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221 textField.keyboardType = UIKeyboardTypeDefault;
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222 textField.returnKeyType = UIReturnKeyDefault;
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223 textField.secureTextEntry = NO;
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224
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225 textField.hidden = YES;
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226 keyboardVisible = NO;
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227 /* add the UITextField (hidden) to our view */
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228 [self addSubview: textField];
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229 }
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230
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231 /* reveal onscreen virtual keyboard */
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232 - (void)showKeyboard {
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233 keyboardVisible = YES;
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234 [textField becomeFirstResponder];
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235 }
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236
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237 /* hide onscreen virtual keyboard */
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238 - (void)hideKeyboard {
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239 keyboardVisible = NO;
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240 [textField resignFirstResponder];
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241 }
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242
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243 /* UITextFieldDelegate method. Invoked when user types something. */
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244 - (BOOL)textField:(UITextField *)_textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
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245
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246 if ([string length] == 0) {
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247 /* it wants to replace text with nothing, ie a delete */
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248 SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_DELETE);
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249 SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_DELETE);
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250 }
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251 else {
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252 /* go through all the characters in the string we've been sent
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253 and convert them to key presses */
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254 int i;
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255 for (i=0; i<[string length]; i++) {
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256
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257 unichar c = [string characterAtIndex: i];
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258
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259 Uint16 mod = 0;
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260 SDL_scancode code;
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261
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262 if (c < 127) {
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263 /* figure out the SDL_scancode and SDL_keymod for this unichar */
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264 code = unicharToUIKeyInfoTable[c].code;
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265 mod = unicharToUIKeyInfoTable[c].mod;
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266 }
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267 else {
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268 /* we only deal with ASCII right now */
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269 code = SDL_SCANCODE_UNKNOWN;
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270 mod = 0;
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271 }
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272
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273 if (mod & KMOD_SHIFT) {
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274 /* If character uses shift, press shift down */
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275 SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_LSHIFT);
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276 }
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277 /* send a keydown and keyup even for the character */
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278 SDL_SendKeyboardKey(SDL_PRESSED, code);
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279 SDL_SendKeyboardKey(SDL_RELEASED, code);
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280 if (mod & KMOD_SHIFT) {
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281 /* If character uses shift, press shift back up */
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282 SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT);
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283 }
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284 }
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diff changeset
285 }
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diff changeset
286 return NO; /* don't allow the edit! (keep placeholder text there) */
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diff changeset
287 }
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288
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289 /* Terminates the editing session */
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290 - (BOOL)textFieldShouldReturn:(UITextField*)_textField {
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diff changeset
291 [self hideKeyboard];
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diff changeset
292 return YES;
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diff changeset
293 }
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294
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295 #endif
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296
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297 @end
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298
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299 /* iPhone keyboard addition functions */
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diff changeset
300 #if SDL_IPHONE_KEYBOARD
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301
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302 int SDL_iPhoneKeyboardShow(SDL_Window * window) {
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303
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304 SDL_WindowData *data;
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305 SDL_uikitview *view;
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306
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307 if (NULL == window) {
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308 SDL_SetError("Window does not exist");
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309 return -1;
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310 }
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diff changeset
311
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312 data = (SDL_WindowData *)window->driverdata;
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313 view = data->view;
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314
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315 if (nil == view) {
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316 SDL_SetError("Window has no view");
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317 return -1;
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diff changeset
318 }
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319 else {
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320 [view showKeyboard];
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321 return 0;
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322 }
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323 }
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324
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325 int SDL_iPhoneKeyboardHide(SDL_Window * window) {
2765
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326
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diff changeset
327 SDL_WindowData *data;
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328 SDL_uikitview *view;
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329
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330 if (NULL == window) {
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331 SDL_SetError("Window does not exist");
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332 return -1;
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333 }
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334
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335 data = (SDL_WindowData *)window->driverdata;
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336 view = data->view;
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diff changeset
337
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338 if (NULL == view) {
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339 SDL_SetError("Window has no view");
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340 return -1;
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diff changeset
341 }
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342 else {
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343 [view hideKeyboard];
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344 return 0;
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345 }
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346 }
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347
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348 SDL_bool SDL_iPhoneKeyboardIsShown(SDL_Window * window) {
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349
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350 SDL_WindowData *data;
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351 SDL_uikitview *view;
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352
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diff changeset
353 if (NULL == window) {
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diff changeset
354 SDL_SetError("Window does not exist");
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diff changeset
355 return -1;
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diff changeset
356 }
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diff changeset
357
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358 data = (SDL_WindowData *)window->driverdata;
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diff changeset
359 view = data->view;
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diff changeset
360
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diff changeset
361 if (NULL == view) {
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diff changeset
362 SDL_SetError("Window has no view");
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
363 return 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 else {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 return view.keyboardVisible;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 }
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
368 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
369
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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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diff changeset
370 int SDL_iPhoneKeyboardToggle(SDL_Window * window) {
2765
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parents:
diff changeset
371
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diff changeset
372 SDL_WindowData *data;
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parents:
diff changeset
373 SDL_uikitview *view;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 if (NULL == window) {
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parents:
diff changeset
376 SDL_SetError("Window does not exist");
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parents:
diff changeset
377 return -1;
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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
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diff changeset
380 data = (SDL_WindowData *)window->driverdata;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 view = data->view;
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parents:
diff changeset
382
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 if (NULL == view) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 SDL_SetError("Window has no view");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 return -1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 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
388 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
389 SDL_iPhoneKeyboardHide(window);
2765
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parents:
diff changeset
390 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 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
392 SDL_iPhoneKeyboardShow(window);
2765
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parents:
diff changeset
393 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
394 return 0;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 }
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
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 #else
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 /* 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
401
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 int SDL_iPhoneKeyboardShow(SDL_Window * window) {
2765
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parents:
diff changeset
403 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
404 return -1;
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
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
407 int SDL_iPhoneKeyboardHide(SDL_Window * window) {
2765
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parents:
diff changeset
408 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
409 return -1;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 }
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 SDL_bool SDL_iPhoneKeyboardIsShown(SDL_Window * window) {
2765
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 return 0;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415
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
416 int SDL_iPhoneKeyboardToggle(SDL_Window * window) {
2765
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parents:
diff changeset
417 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
418 return -1;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421
2859
99210400e8b9 Updated copyright date
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
422 #endif /* SDL_IPHONE_KEYBOARD */