annotate src/video/uikit/SDL_uikitview.m @ 3168:6338b7f2d024

Hi, I have prepared a set of patches to readd WindowsCE support to SDL 1.3. I've created a new GAPI/Rawframebuffer and a DirectDraw renderer. Both renderers are work in progress and there are several unimplemented cases. (Notably RenderLine/RenderPoint/RenderFill/QueryTexturePixels/UpdateTexture and texture blending ) Nevertheless I am successfully using these renderers together with the SDL software renderer. (On most devices the SDL software renderer will be much faster as there are only badly optimized vendor drivers available) I send these patches now in this unpolished state because there seems to be some interest in win ce and someone has to start supporting SDL 1.3 Now on to the patches: wince_events_window_fixes.patch fixes some wince incompatibilities and adds fullscreen support via SHFullScreen. NOTE: This patch shouldn't have any side effects on Windows, but I have NOT tested it on Windows, so please double-check. This patch doesn't dependent on the following ones. wince_renderers_system.patch This patch does all necessary modifications to the SDL system. - it adds the renderers to the configure system - it adds the renderers to win32video SDL_ceddrawrender.c SDL_ceddrawrender.h SDL_gapirender_c.h SDL_gapirender.c SDL_gapirender.h these files add the new render drivers and should be placed in src/video/win32 Some notes to people who want to test this: - I have only compiled sdl with ming32ce, so the VisualC files are not up to date - As mingw32ce has no ddraw.h this file must be taken from the MS SDK and modified to work with gcc - I had to modify line 2611 in configure.in to EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lcoredll -lcommctrl -lmmtimer -Wl,--image-base -Wl,0x10000" otherwise GetCPinfo wouldn't link. If someone knows whats causing this I'd be happy to hear about it. It would be great if these patches could make their way into SVN as this would make collaboration much much easier. I'm out of office for the next week and therefore will be unavailable via email. Regards Stefan
author Sam Lantinga <slouken@libsdl.org>
date Sun, 07 Jun 2009 02:44:46 +0000
parents b93965a16fe0
children 64ce267332c6
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 #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].id = i;
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53 mice[i].driverdata = NULL;
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54 SDL_AddMouse(&mice[i], "Mouse", 0, 0, 1);
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55 }
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56 self.multipleTouchEnabled = YES;
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57
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58 return self;
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59
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60 }
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61
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62 - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
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63
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64 NSEnumerator *enumerator = [touches objectEnumerator];
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65 UITouch *touch =(UITouch*)[enumerator nextObject];
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66
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67 /* associate touches with mice, so long as we have slots */
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68 int i;
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69 int found = 0;
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70 for(i=0; touch && i < MAX_SIMULTANEOUS_TOUCHES; i++) {
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71
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72 /* check if this mouse is already tracking a touch */
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73 if (mice[i].driverdata != NULL) {
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74 continue;
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75 }
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76 /*
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77 mouse not associated with anything right now,
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78 associate the touch with this mouse
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79 */
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80 found = 1;
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81
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82 /* save old mouse so we can switch back */
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83 int oldMouse = SDL_SelectMouse(-1);
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84
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85 /* select this slot's mouse */
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86 SDL_SelectMouse(i);
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87 CGPoint locationInView = [touch locationInView: self];
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88
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89 /* set driver data to touch object, we'll use touch object later */
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90 mice[i].driverdata = [touch retain];
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91
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92 /* send moved event */
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93 SDL_SendMouseMotion(i, 0, locationInView.x, locationInView.y, 0);
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94
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95 /* send mouse down event */
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96 SDL_SendMouseButton(i, SDL_PRESSED, SDL_BUTTON_LEFT);
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97
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98 /* re-calibrate relative mouse motion */
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99 SDL_GetRelativeMouseState(i, NULL, NULL);
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100
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101 /* grab next touch */
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102 touch = (UITouch*)[enumerator nextObject];
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103
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104 /* switch back to our old mouse */
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105 SDL_SelectMouse(oldMouse);
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106
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107 }
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108 }
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109
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110 - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
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111
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112 NSEnumerator *enumerator = [touches objectEnumerator];
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113 UITouch *touch=nil;
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114
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115 while(touch = (UITouch *)[enumerator nextObject]) {
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116 /* search for the mouse slot associated with this touch */
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117 int i, found = NO;
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118 for (i=0; i<MAX_SIMULTANEOUS_TOUCHES && !found; i++) {
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119 if (mice[i].driverdata == touch) {
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120 /* found the mouse associate with the touch */
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121 [(UITouch*)(mice[i].driverdata) release];
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122 mice[i].driverdata = NULL;
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123 /* send mouse up */
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124 SDL_SendMouseButton(i, SDL_RELEASED, SDL_BUTTON_LEFT);
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125 /* discontinue search for this touch */
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126 found = YES;
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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
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132 - (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {
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133 /*
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134 this can happen if the user puts more than 5 touches on the screen
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135 at once, or perhaps in other circumstances. Usually (it seems)
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136 all active touches are canceled.
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137 */
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138 [self touchesEnded: touches withEvent: event];
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139 }
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140
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141 - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
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142
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143 NSEnumerator *enumerator = [touches objectEnumerator];
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144 UITouch *touch=nil;
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145
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146 while(touch = (UITouch *)[enumerator nextObject]) {
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147 /* try to find the mouse associated with this touch */
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148 int i, found = NO;
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149 for (i=0; i<MAX_SIMULTANEOUS_TOUCHES && !found; i++) {
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150 if (mice[i].driverdata == touch) {
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151 /* found proper mouse */
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152 CGPoint locationInView = [touch locationInView: self];
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153 /* send moved event */
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154 SDL_SendMouseMotion(i, 0, locationInView.x, locationInView.y, 0);
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155 /* discontinue search */
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156 found = YES;
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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 /*
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163 ---- Keyboard related functionality below this line ----
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164 */
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165 #if SDL_IPHONE_KEYBOARD
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166
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167 /* Is the iPhone virtual keyboard visible onscreen? */
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168 - (BOOL)keyboardVisible {
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169 return keyboardVisible;
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170 }
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171
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172 /* Set ourselves up as a UITextFieldDelegate */
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173 - (void)initializeKeyboard {
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174
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175 textField = [[[UITextField alloc] initWithFrame: CGRectZero] autorelease];
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176 textField.delegate = self;
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177 /* placeholder so there is something to delete! */
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178 textField.text = @" ";
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179
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180 /* set UITextInputTrait properties, mostly to defaults */
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181 textField.autocapitalizationType = UITextAutocapitalizationTypeNone;
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182 textField.autocorrectionType = UITextAutocorrectionTypeNo;
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183 textField.enablesReturnKeyAutomatically = NO;
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184 textField.keyboardAppearance = UIKeyboardAppearanceDefault;
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185 textField.keyboardType = UIKeyboardTypeDefault;
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186 textField.returnKeyType = UIReturnKeyDefault;
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187 textField.secureTextEntry = NO;
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188
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189 textField.hidden = YES;
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190 keyboardVisible = NO;
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191 /* add the UITextField (hidden) to our view */
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192 [self addSubview: textField];
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193
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194 /* create our SDL_Keyboard */
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195 SDL_Keyboard keyboard;
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196 SDL_zero(keyboard);
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197 SDL_AddKeyboard(&keyboard, 0);
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198 SDLKey keymap[SDL_NUM_SCANCODES];
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199 SDL_GetDefaultKeymap(keymap);
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200 SDL_SetKeymap(0, 0, keymap, SDL_NUM_SCANCODES);
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201
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202 }
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203
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204 /* reveal onscreen virtual keyboard */
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205 - (void)showKeyboard {
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206 keyboardVisible = YES;
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207 [textField becomeFirstResponder];
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208 }
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209
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210 /* hide onscreen virtual keyboard */
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211 - (void)hideKeyboard {
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212 keyboardVisible = NO;
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213 [textField resignFirstResponder];
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214 }
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215
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216 /* UITextFieldDelegate method. Invoked when user types something. */
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217 - (BOOL)textField:(UITextField *)_textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
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218
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219 if ([string length] == 0) {
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220 /* it wants to replace text with nothing, ie a delete */
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221 SDL_SendKeyboardKey( 0, SDL_PRESSED, SDL_SCANCODE_DELETE);
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222 SDL_SendKeyboardKey( 0, SDL_RELEASED, SDL_SCANCODE_DELETE);
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223 }
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224 else {
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225 /* go through all the characters in the string we've been sent
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226 and convert them to key presses */
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227 int i;
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228 for (i=0; i<[string length]; i++) {
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229
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230 unichar c = [string characterAtIndex: i];
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231
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232 Uint16 mod = 0;
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233 SDL_scancode code;
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234
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235 if (c < 127) {
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236 /* figure out the SDL_scancode and SDL_keymod for this unichar */
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237 code = unicharToUIKeyInfoTable[c].code;
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238 mod = unicharToUIKeyInfoTable[c].mod;
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239 }
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240 else {
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diff changeset
241 /* we only deal with ASCII right now */
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242 code = SDL_SCANCODE_UNKNOWN;
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243 mod = 0;
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244 }
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245
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246 if (mod & KMOD_SHIFT) {
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247 /* If character uses shift, press shift down */
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diff changeset
248 SDL_SendKeyboardKey( 0, SDL_PRESSED, SDL_SCANCODE_LSHIFT);
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249 }
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250 /* send a keydown and keyup even for the character */
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251 SDL_SendKeyboardKey( 0, SDL_PRESSED, code);
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252 SDL_SendKeyboardKey( 0, SDL_RELEASED, code);
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253 if (mod & KMOD_SHIFT) {
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254 /* If character uses shift, press shift back up */
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255 SDL_SendKeyboardKey( 0, SDL_RELEASED, SDL_SCANCODE_LSHIFT);
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256 }
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257 }
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258 }
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259 return NO; /* don't allow the edit! (keep placeholder text there) */
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260 }
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261
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262 /* Terminates the editing session */
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263 - (BOOL)textFieldShouldReturn:(UITextField*)_textField {
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264 [self hideKeyboard];
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265 return YES;
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266 }
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267
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268 #endif
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269
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270 @end
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271
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272 /* iPhone keyboard addition functions */
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diff changeset
273 #if SDL_IPHONE_KEYBOARD
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274
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275 int SDL_iPhoneKeyboardShow(SDL_WindowID windowID) {
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276
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277 SDL_Window *window = SDL_GetWindowFromID(windowID);
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278 SDL_WindowData *data;
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279 SDL_uikitview *view;
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280
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281 if (NULL == window) {
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282 SDL_SetError("Window does not exist");
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283 return -1;
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284 }
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285
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286 data = (SDL_WindowData *)window->driverdata;
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diff changeset
287 view = data->view;
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288
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289 if (nil == view) {
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290 SDL_SetError("Window has no view");
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291 return -1;
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292 }
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293 else {
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294 [view showKeyboard];
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295 return 0;
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296 }
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297 }
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298
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299 int SDL_iPhoneKeyboardHide(SDL_WindowID windowID) {
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300
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301 SDL_Window *window = SDL_GetWindowFromID(windowID);
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302 SDL_WindowData *data;
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303 SDL_uikitview *view;
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304
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305 if (NULL == window) {
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306 SDL_SetError("Window does not exist");
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307 return -1;
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308 }
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309
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310 data = (SDL_WindowData *)window->driverdata;
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311 view = data->view;
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312
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313 if (NULL == view) {
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314 SDL_SetError("Window has no view");
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315 return -1;
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316 }
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317 else {
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318 [view hideKeyboard];
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319 return 0;
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320 }
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321 }
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322
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323 SDL_bool SDL_iPhoneKeyboardIsShown(SDL_WindowID windowID) {
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324
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325 SDL_Window *window = SDL_GetWindowFromID(windowID);
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326 SDL_WindowData *data;
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327 SDL_uikitview *view;
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328
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329 if (NULL == window) {
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330 SDL_SetError("Window does not exist");
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331 return -1;
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332 }
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333
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334 data = (SDL_WindowData *)window->driverdata;
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335 view = data->view;
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336
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337 if (NULL == view) {
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338 SDL_SetError("Window has no view");
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339 return 0;
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340 }
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341 else {
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342 return view.keyboardVisible;
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343 }
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344 }
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345
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346 int SDL_iPhoneKeyboardToggle(SDL_WindowID windowID) {
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347
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348 SDL_Window *window = SDL_GetWindowFromID(windowID);
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349 SDL_WindowData *data;
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350 SDL_uikitview *view;
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351
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352 if (NULL == window) {
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353 SDL_SetError("Window does not exist");
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354 return -1;
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355 }
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356
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357 data = (SDL_WindowData *)window->driverdata;
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358 view = data->view;
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359
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360 if (NULL == view) {
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361 SDL_SetError("Window has no view");
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362 return -1;
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363 }
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364 else {
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365 if (SDL_iPhoneKeyboardIsShown(windowID)) {
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366 SDL_iPhoneKeyboardHide(windowID);
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367 }
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368 else {
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369 SDL_iPhoneKeyboardShow(windowID);
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370 }
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371 return 0;
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diff changeset
372 }
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373 }
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374
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375 #else
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376
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377 /* stubs, used if compiled without keyboard support */
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378
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379 int SDL_iPhoneKeyboardShow(SDL_WindowID windowID) {
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380 SDL_SetError("Not compiled with keyboard support");
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diff changeset
381 return -1;
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diff changeset
382 }
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diff changeset
383
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diff changeset
384 int SDL_iPhoneKeyboardHide(SDL_WindowID windowID) {
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diff changeset
385 SDL_SetError("Not compiled with keyboard support");
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parents:
diff changeset
386 return -1;
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diff changeset
387 }
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parents:
diff changeset
388
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diff changeset
389 SDL_bool SDL_iPhoneKeyboardIsShown(SDL_WindowID windowID) {
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diff changeset
390 return 0;
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parents:
diff changeset
391 }
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parents:
diff changeset
392
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diff changeset
393 int SDL_iPhoneKeyboardToggle(SDL_WindowID windowID) {
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diff changeset
394 SDL_SetError("Not compiled with keyboard support");
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parents:
diff changeset
395 return -1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 }
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parents:
diff changeset
397
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diff changeset
398
2859
99210400e8b9 Updated copyright date
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parents: 2765
diff changeset
399 #endif /* SDL_IPHONE_KEYBOARD */