Mercurial > sdl-ios-xcode
annotate src/video/uikit/SDL_uikitview.m @ 2825:620a91b6d263
Date: Tue, 02 Dec 2008 23:38:26 +0100
From: Couriersud
Subject: Re: SDL: Keyboard layout unknown
I have attached a diff which will add an additional keyboard layout to
the x11 driver. The issue arose, when I moved to ubuntu intrepid. I was
only able to map the keys available on my keyboard. The differences to
the existing keyboard was the mapping of HOME,UP,DOWN and some other
keys.
Now only one issue remains. Dead keys (e.g. ^, ` ') on european
keyboards do not generate a "scancode" event. Just a text event when the
key is composed (e.g. ?? ?? ??).
author | Sam Lantinga <slouken@libsdl.org> |
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date | Wed, 03 Dec 2008 04:32:24 +0000 |
parents | f55c87ae336b |
children | 99210400e8b9 |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2006 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 #if SDL_IPHONE_KEYBOARD |
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26 #import "SDL_keyboard_c.h" |
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27 #import "keyinfotable.h" |
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28 #import "SDL_uikitappdelegate.h" |
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29 #import "SDL_uikitwindow.h" |
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30 #endif |
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31 |
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32 @implementation SDL_uikitview |
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33 |
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34 - (void)dealloc { |
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35 #if SDL_IPHONE_KEYBOARD |
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36 SDL_DelKeyboard(0); |
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37 [textField release]; |
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38 #endif |
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39 [super dealloc]; |
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40 } |
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41 |
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42 - (id)initWithFrame:(CGRect)frame { |
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43 |
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44 self = [super initWithFrame: frame]; |
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45 |
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46 #if SDL_IPHONE_KEYBOARD |
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47 [self initializeKeyboard]; |
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48 #endif |
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49 |
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50 int i; |
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51 for (i=0; i<MAX_SIMULTANEOUS_TOUCHES; i++) { |
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52 mice[i].driverdata = NULL; |
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53 SDL_AddMouse(&mice[i], i, "Mouse", 0, 0, 1); |
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54 } |
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55 self.multipleTouchEnabled = YES; |
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56 |
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57 return self; |
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58 |
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59 } |
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60 |
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61 - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { |
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62 |
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63 NSEnumerator *enumerator = [touches objectEnumerator]; |
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64 UITouch *touch =(UITouch*)[enumerator nextObject]; |
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65 |
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66 /* associate touches with mice, so long as we have slots */ |
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67 int i; |
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68 int found = 0; |
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69 for(i=0; touch && i < MAX_SIMULTANEOUS_TOUCHES; i++) { |
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70 |
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71 /* check if this mouse is already tracking a touch */ |
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72 if (mice[i].driverdata != NULL) { |
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73 continue; |
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74 } |
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75 /* |
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76 mouse not associated with anything right now, |
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77 associate the touch with this mouse |
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78 */ |
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79 found = 1; |
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80 |
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81 /* save old mouse so we can switch back */ |
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82 int oldMouse = SDL_SelectMouse(-1); |
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83 |
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84 /* select this slot's mouse */ |
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85 SDL_SelectMouse(i); |
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86 CGPoint locationInView = [touch locationInView: self]; |
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87 |
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88 /* set driver data to touch object, we'll use touch object later */ |
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89 mice[i].driverdata = [touch retain]; |
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90 |
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91 /* send moved event */ |
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92 SDL_SendMouseMotion(i, 0, locationInView.x, locationInView.y, 0); |
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93 |
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94 /* send mouse down event */ |
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95 SDL_SendMouseButton(i, SDL_PRESSED, SDL_BUTTON_LEFT); |
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96 |
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97 /* re-calibrate relative mouse motion */ |
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98 SDL_GetRelativeMouseState(i, NULL, NULL); |
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99 |
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100 /* grab next touch */ |
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101 touch = (UITouch*)[enumerator nextObject]; |
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102 |
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103 /* switch back to our old mouse */ |
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104 SDL_SelectMouse(oldMouse); |
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105 |
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106 } |
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107 } |
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108 |
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109 - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { |
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110 |
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111 NSEnumerator *enumerator = [touches objectEnumerator]; |
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112 UITouch *touch=nil; |
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113 |
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114 while(touch = (UITouch *)[enumerator nextObject]) { |
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115 /* search for the mouse slot associated with this touch */ |
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116 int i, found = NO; |
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117 for (i=0; i<MAX_SIMULTANEOUS_TOUCHES && !found; i++) { |
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118 if (mice[i].driverdata == touch) { |
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119 /* found the mouse associate with the touch */ |
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120 [(UITouch*)(mice[i].driverdata) release]; |
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121 mice[i].driverdata = NULL; |
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122 /* send mouse up */ |
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123 SDL_SendMouseButton(i, SDL_RELEASED, SDL_BUTTON_LEFT); |
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124 /* discontinue search for this touch */ |
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125 found = YES; |
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126 } |
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127 } |
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128 } |
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129 } |
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130 |
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131 - (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event { |
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132 /* |
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133 this can happen if the user puts more than 5 touches on the screen |
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134 at once, or perhaps in other circumstances. Usually (it seems) |
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135 all active touches are canceled. |
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136 */ |
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137 [self touchesEnded: touches withEvent: event]; |
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138 } |
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139 |
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140 - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { |
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141 |
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142 NSEnumerator *enumerator = [touches objectEnumerator]; |
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143 UITouch *touch=nil; |
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144 |
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145 while(touch = (UITouch *)[enumerator nextObject]) { |
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146 /* try to find the mouse associated with this touch */ |
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147 int i, found = NO; |
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148 for (i=0; i<MAX_SIMULTANEOUS_TOUCHES && !found; i++) { |
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149 if (mice[i].driverdata == touch) { |
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150 /* found proper mouse */ |
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151 CGPoint locationInView = [touch locationInView: self]; |
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152 /* send moved event */ |
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153 SDL_SendMouseMotion(i, 0, locationInView.x, locationInView.y, 0); |
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154 /* discontinue search */ |
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155 found = YES; |
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156 } |
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157 } |
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158 } |
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159 } |
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160 |
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161 /* |
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162 ---- Keyboard related functionality below this line ---- |
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163 */ |
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164 #if SDL_IPHONE_KEYBOARD |
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165 |
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166 /* Is the iPhone virtual keyboard visible onscreen? */ |
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167 - (BOOL)keyboardVisible { |
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168 return keyboardVisible; |
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169 } |
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170 |
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171 /* Set ourselves up as a UITextFieldDelegate */ |
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172 - (void)initializeKeyboard { |
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173 |
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174 textField = [[[UITextField alloc] initWithFrame: CGRectZero] autorelease]; |
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175 textField.delegate = self; |
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176 /* placeholder so there is something to delete! */ |
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177 textField.text = @" "; |
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178 |
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179 /* set UITextInputTrait properties, mostly to defaults */ |
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180 textField.autocapitalizationType = UITextAutocapitalizationTypeNone; |
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181 textField.autocorrectionType = UITextAutocorrectionTypeNo; |
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182 textField.enablesReturnKeyAutomatically = NO; |
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183 textField.keyboardAppearance = UIKeyboardAppearanceDefault; |
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184 textField.keyboardType = UIKeyboardTypeDefault; |
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185 textField.returnKeyType = UIReturnKeyDefault; |
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186 textField.secureTextEntry = NO; |
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187 |
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188 textField.hidden = YES; |
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189 keyboardVisible = NO; |
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190 /* add the UITextField (hidden) to our view */ |
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191 [self addSubview: textField]; |
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192 |
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193 /* create our SDL_Keyboard */ |
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194 SDL_Keyboard keyboard; |
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195 SDL_zero(keyboard); |
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196 SDL_AddKeyboard(&keyboard, 0); |
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197 SDLKey keymap[SDL_NUM_SCANCODES]; |
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198 SDL_GetDefaultKeymap(keymap); |
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199 SDL_SetKeymap(0, 0, keymap, SDL_NUM_SCANCODES); |
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200 |
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201 } |
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202 |
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203 /* reveal onscreen virtual keyboard */ |
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204 - (void)showKeyboard { |
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205 keyboardVisible = YES; |
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206 [textField becomeFirstResponder]; |
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207 } |
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208 |
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209 /* hide onscreen virtual keyboard */ |
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210 - (void)hideKeyboard { |
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211 keyboardVisible = NO; |
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212 [textField resignFirstResponder]; |
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213 } |
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214 |
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215 /* UITextFieldDelegate method. Invoked when user types something. */ |
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216 - (BOOL)textField:(UITextField *)_textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { |
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217 |
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218 if ([string length] == 0) { |
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219 /* it wants to replace text with nothing, ie a delete */ |
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220 SDL_SendKeyboardKey( 0, SDL_PRESSED, SDL_SCANCODE_DELETE); |
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221 SDL_SendKeyboardKey( 0, SDL_RELEASED, SDL_SCANCODE_DELETE); |
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222 } |
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223 else { |
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224 /* go through all the characters in the string we've been sent |
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225 and convert them to key presses */ |
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226 int i; |
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227 for (i=0; i<[string length]; i++) { |
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228 |
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229 unichar c = [string characterAtIndex: i]; |
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230 |
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231 Uint16 mod = 0; |
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232 SDL_scancode code; |
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233 |
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234 if (c < 127) { |
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235 /* figure out the SDL_scancode and SDL_keymod for this unichar */ |
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236 code = unicharToUIKeyInfoTable[c].code; |
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237 mod = unicharToUIKeyInfoTable[c].mod; |
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238 } |
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239 else { |
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240 /* we only deal with ASCII right now */ |
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241 code = SDL_SCANCODE_UNKNOWN; |
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242 mod = 0; |
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243 } |
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244 |
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245 if (mod & KMOD_SHIFT) { |
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246 /* If character uses shift, press shift down */ |
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247 SDL_SendKeyboardKey( 0, SDL_PRESSED, SDL_SCANCODE_LSHIFT); |
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248 } |
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249 /* send a keydown and keyup even for the character */ |
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250 SDL_SendKeyboardKey( 0, SDL_PRESSED, code); |
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251 SDL_SendKeyboardKey( 0, SDL_RELEASED, code); |
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252 if (mod & KMOD_SHIFT) { |
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253 /* If character uses shift, press shift back up */ |
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254 SDL_SendKeyboardKey( 0, SDL_RELEASED, SDL_SCANCODE_LSHIFT); |
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255 } |
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256 } |
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257 } |
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258 return NO; /* don't allow the edit! (keep placeholder text there) */ |
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259 } |
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260 |
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261 /* Terminates the editing session */ |
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262 - (BOOL)textFieldShouldReturn:(UITextField*)_textField { |
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263 [self hideKeyboard]; |
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264 return YES; |
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265 } |
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266 |
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267 #endif |
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268 |
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269 @end |
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270 |
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271 /* iPhone keyboard addition functions */ |
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272 #if SDL_IPHONE_KEYBOARD |
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273 |
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274 int SDL_iPhoneKeyboardShow(SDL_WindowID windowID) { |
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275 |
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276 SDL_Window *window = SDL_GetWindowFromID(windowID); |
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277 SDL_WindowData *data; |
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278 SDL_uikitview *view; |
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279 |
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280 if (NULL == window) { |
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281 SDL_SetError("Window does not exist"); |
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282 return -1; |
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283 } |
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284 |
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285 data = (SDL_WindowData *)window->driverdata; |
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286 view = data->view; |
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287 |
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288 if (nil == view) { |
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289 SDL_SetError("Window has no view"); |
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290 return -1; |
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291 } |
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292 else { |
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293 [view showKeyboard]; |
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294 return 0; |
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295 } |
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296 } |
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297 |
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298 int SDL_iPhoneKeyboardHide(SDL_WindowID windowID) { |
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299 |
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300 SDL_Window *window = SDL_GetWindowFromID(windowID); |
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301 SDL_WindowData *data; |
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302 SDL_uikitview *view; |
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303 |
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304 if (NULL == window) { |
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305 SDL_SetError("Window does not exist"); |
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306 return -1; |
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307 } |
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308 |
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309 data = (SDL_WindowData *)window->driverdata; |
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310 view = data->view; |
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311 |
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312 if (NULL == view) { |
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313 SDL_SetError("Window has no view"); |
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314 return -1; |
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315 } |
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316 else { |
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317 [view hideKeyboard]; |
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318 return 0; |
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319 } |
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320 } |
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321 |
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322 SDL_bool SDL_iPhoneKeyboardIsShown(SDL_WindowID windowID) { |
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323 |
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324 SDL_Window *window = SDL_GetWindowFromID(windowID); |
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325 SDL_WindowData *data; |
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326 SDL_uikitview *view; |
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327 |
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328 if (NULL == window) { |
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329 SDL_SetError("Window does not exist"); |
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330 return -1; |
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331 } |
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332 |
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333 data = (SDL_WindowData *)window->driverdata; |
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334 view = data->view; |
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335 |
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336 if (NULL == view) { |
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337 SDL_SetError("Window has no view"); |
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338 return 0; |
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339 } |
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340 else { |
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341 return view.keyboardVisible; |
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342 } |
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343 } |
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344 |
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345 int SDL_iPhoneKeyboardToggle(SDL_WindowID windowID) { |
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346 |
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347 SDL_Window *window = SDL_GetWindowFromID(windowID); |
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348 SDL_WindowData *data; |
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349 SDL_uikitview *view; |
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350 |
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351 if (NULL == window) { |
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352 SDL_SetError("Window does not exist"); |
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353 return -1; |
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354 } |
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355 |
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356 data = (SDL_WindowData *)window->driverdata; |
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357 view = data->view; |
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358 |
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359 if (NULL == view) { |
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360 SDL_SetError("Window has no view"); |
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361 return -1; |
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362 } |
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363 else { |
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364 if (SDL_iPhoneKeyboardIsShown(windowID)) { |
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365 SDL_iPhoneKeyboardHide(windowID); |
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366 } |
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367 else { |
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368 SDL_iPhoneKeyboardShow(windowID); |
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369 } |
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370 return 0; |
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371 } |
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372 } |
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373 |
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374 #else |
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375 |
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376 /* stubs, used if compiled without keyboard support */ |
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377 |
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378 int SDL_iPhoneKeyboardShow(SDL_WindowID windowID) { |
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379 SDL_SetError("Not compiled with keyboard support"); |
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380 return -1; |
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381 } |
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382 |
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383 int SDL_iPhoneKeyboardHide(SDL_WindowID windowID) { |
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384 SDL_SetError("Not compiled with keyboard support"); |
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385 return -1; |
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386 } |
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387 |
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388 SDL_bool SDL_iPhoneKeyboardIsShown(SDL_WindowID windowID) { |
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389 return 0; |
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390 } |
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391 |
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392 int SDL_iPhoneKeyboardToggle(SDL_WindowID windowID) { |
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393 SDL_SetError("Not compiled with keyboard support"); |
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394 return -1; |
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395 } |
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396 |
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397 |
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398 #endif /* SDL_IPHONE_KEYBOARD */ |