Mercurial > sdl-ios-xcode
annotate src/video/uikit/SDL_uikitview.m @ 5148:2f44e6969a59
Split the rendering API out into a separate header file.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 01 Feb 2011 15:02:21 -0800 |
| parents | c63b901d97ab |
| children | 572a73d71b5f |
| rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
| 2859 | 3 Copyright (C) 1997-2009 Sam Lantinga |
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Lesser General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 |
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23 #import "SDL_uikitview.h" |
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24 |
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25 #include "../../events/SDL_keyboard_c.h" |
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26 #include "../../events/SDL_mouse_c.h" |
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27 #include "../../events/SDL_touch_c.h" |
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28 |
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29 #if SDL_IPHONE_KEYBOARD |
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30 #import "keyinfotable.h" |
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31 #import "SDL_uikitappdelegate.h" |
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32 #import "SDL_uikitwindow.h" |
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33 #endif |
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34 |
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35 @implementation SDL_uikitview |
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36 |
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37 - (void)dealloc { |
| 5134 | 38 [super dealloc]; |
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39 } |
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40 |
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41 - (id)initWithFrame:(CGRect)frame { |
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42 |
| 5134 | 43 self = [super initWithFrame: frame]; |
| 44 | |
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45 #if SDL_IPHONE_KEYBOARD |
| 5134 | 46 [self initializeKeyboard]; |
| 47 #endif | |
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48 |
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49 #ifdef FIXED_MULTITOUCH |
| 5134 | 50 SDL_Touch touch; |
| 51 touch.id = 0; //TODO: Should be -1? | |
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52 |
| 5134 | 53 //touch.driverdata = SDL_malloc(sizeof(EventTouchData)); |
| 54 //EventTouchData* data = (EventTouchData*)(touch.driverdata); | |
| 55 | |
| 56 touch.x_min = 0; | |
| 57 touch.x_max = frame.size.width; | |
| 58 touch.native_xres = touch.x_max - touch.x_min; | |
| 59 touch.y_min = 0; | |
| 60 touch.y_max = frame.size.height; | |
| 61 touch.native_yres = touch.y_max - touch.y_min; | |
| 62 touch.pressure_min = 0; | |
| 63 touch.pressure_max = 1; | |
| 64 touch.native_pressureres = touch.pressure_max - touch.pressure_min; | |
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65 |
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66 |
| 5134 | 67 touchId = SDL_AddTouch(&touch, "IPHONE SCREEN"); |
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68 #endif |
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69 |
| 5134 | 70 return self; |
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71 |
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72 } |
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73 |
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74 - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { |
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75 |
| 5134 | 76 NSEnumerator *enumerator = [touches objectEnumerator]; |
| 77 UITouch *touch = (UITouch*)[enumerator nextObject]; | |
| 78 | |
| 79 //NSLog("Click"); | |
| 80 | |
| 81 if (touch) { | |
| 82 CGPoint locationInView = [touch locationInView: self]; | |
| 83 | |
| 84 /* send moved event */ | |
| 85 SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y); | |
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86 |
| 5134 | 87 /* send mouse down event */ |
| 88 SDL_SendMouseButton(NULL, SDL_PRESSED, SDL_BUTTON_LEFT); | |
| 89 } | |
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90 |
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91 #ifdef FIXED_MULTITOUCH |
| 5134 | 92 while(touch) { |
| 93 CGPoint locationInView = [touch locationInView: self]; | |
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94 |
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95 |
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96 #ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS |
| 5134 | 97 //FIXME: TODO: Using touch as the fingerId is potentially dangerous |
| 98 //It is also much more efficient than storing the UITouch pointer | |
| 99 //and comparing it to the incoming event. | |
| 100 SDL_SendFingerDown(touchId,(long)touch, | |
| 101 SDL_TRUE,locationInView.x,locationInView.y, | |
| 102 1); | |
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103 #else |
| 5134 | 104 int i; |
| 105 for(i = 0;i < MAX_SIMULTANEOUS_TOUCHES;i++) { | |
| 106 if(finger[i] == NULL) { | |
| 107 finger[i] = touch; | |
| 108 SDL_SendFingerDown(touchId,i, | |
| 109 SDL_TRUE,locationInView.x,locationInView.y, | |
| 110 1); | |
| 111 break; | |
| 112 } | |
| 113 } | |
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114 #endif |
| 5134 | 115 |
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116 |
| 5134 | 117 |
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118 |
| 5134 | 119 touch = (UITouch*)[enumerator nextObject]; |
| 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 { |
| 5134 | 125 |
| 126 NSEnumerator *enumerator = [touches objectEnumerator]; | |
| 127 UITouch *touch = (UITouch*)[enumerator nextObject]; | |
| 128 | |
| 129 if (touch) { | |
| 130 /* send mouse up */ | |
| 131 SDL_SendMouseButton(NULL, SDL_RELEASED, SDL_BUTTON_LEFT); | |
| 132 } | |
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133 |
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134 #ifdef FIXED_MULTITOUCH |
| 5134 | 135 while(touch) { |
| 136 CGPoint locationInView = [touch locationInView: self]; | |
| 137 | |
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138 |
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139 #ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS |
| 5134 | 140 SDL_SendFingerDown(touchId,(long)touch, |
| 141 SDL_FALSE,locationInView.x,locationInView.y, | |
| 142 1); | |
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143 #else |
| 5134 | 144 int i; |
| 145 for(i = 0;i < MAX_SIMULTANEOUS_TOUCHES;i++) { | |
| 146 if(finger[i] == touch) { | |
| 147 SDL_SendFingerDown(touchId,i, | |
| 148 SDL_FALSE,locationInView.x,locationInView.y, | |
| 149 1); | |
| 150 break; | |
| 151 } | |
| 152 } | |
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153 #endif |
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154 |
| 5134 | 155 touch = (UITouch*)[enumerator nextObject]; |
| 156 } | |
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157 #endif |
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158 } |
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159 |
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160 - (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event { |
| 5134 | 161 /* |
| 162 this can happen if the user puts more than 5 touches on the screen | |
| 163 at once, or perhaps in other circumstances. Usually (it seems) | |
| 164 all active touches are canceled. | |
| 165 */ | |
| 166 [self touchesEnded: touches withEvent: event]; | |
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167 } |
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168 |
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169 - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { |
| 5134 | 170 |
| 171 NSEnumerator *enumerator = [touches objectEnumerator]; | |
| 172 UITouch *touch = (UITouch*)[enumerator nextObject]; | |
| 173 | |
| 174 if (touch) { | |
| 175 CGPoint locationInView = [touch locationInView: self]; | |
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176 |
| 5134 | 177 /* send moved event */ |
| 178 SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y); | |
| 179 } | |
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180 |
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181 #ifdef FIXED_MULTITOUCH |
| 5134 | 182 while(touch) { |
| 183 CGPoint locationInView = [touch locationInView: self]; | |
| 184 | |
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185 |
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186 #ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS |
| 5134 | 187 SDL_SendTouchMotion(touchId,(long)touch, |
| 188 SDL_FALSE,locationInView.x,locationInView.y, | |
| 189 1); | |
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190 #else |
| 5134 | 191 int i; |
| 192 for(i = 0;i < MAX_SIMULTANEOUS_TOUCHES;i++) { | |
| 193 if(finger[i] == touch) { | |
| 194 SDL_SendTouchMotion(touchId,i, | |
| 195 SDL_FALSE,locationInView.x,locationInView.y, | |
| 196 1); | |
| 197 break; | |
| 198 } | |
| 199 } | |
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200 #endif |
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201 |
| 5134 | 202 touch = (UITouch*)[enumerator nextObject]; |
| 203 } | |
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204 #endif |
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205 } |
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206 |
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207 /* |
| 5134 | 208 ---- Keyboard related functionality below this line ---- |
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209 */ |
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210 #if SDL_IPHONE_KEYBOARD |
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211 |
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212 /* Is the iPhone virtual keyboard visible onscreen? */ |
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213 - (BOOL)keyboardVisible { |
| 5134 | 214 return keyboardVisible; |
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215 } |
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216 |
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217 /* Set ourselves up as a UITextFieldDelegate */ |
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218 - (void)initializeKeyboard { |
| 5134 | 219 |
| 220 textField = [[UITextField alloc] initWithFrame: CGRectZero]; | |
| 221 textField.delegate = self; | |
| 222 /* placeholder so there is something to delete! */ | |
| 223 textField.text = @" "; | |
| 224 | |
| 225 /* set UITextInputTrait properties, mostly to defaults */ | |
| 226 textField.autocapitalizationType = UITextAutocapitalizationTypeNone; | |
| 227 textField.autocorrectionType = UITextAutocorrectionTypeNo; | |
| 228 textField.enablesReturnKeyAutomatically = NO; | |
| 229 textField.keyboardAppearance = UIKeyboardAppearanceDefault; | |
| 230 textField.keyboardType = UIKeyboardTypeDefault; | |
| 231 textField.returnKeyType = UIReturnKeyDefault; | |
| 232 textField.secureTextEntry = NO; | |
| 233 | |
| 234 textField.hidden = YES; | |
| 235 keyboardVisible = NO; | |
| 236 /* add the UITextField (hidden) to our view */ | |
| 237 [self addSubview: textField]; | |
| 238 [textField release]; | |
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239 } |
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240 |
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241 /* reveal onscreen virtual keyboard */ |
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242 - (void)showKeyboard { |
| 5134 | 243 keyboardVisible = YES; |
| 244 [textField becomeFirstResponder]; | |
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245 } |
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246 |
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247 /* hide onscreen virtual keyboard */ |
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248 - (void)hideKeyboard { |
| 5134 | 249 keyboardVisible = NO; |
| 250 [textField resignFirstResponder]; | |
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251 } |
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252 |
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253 /* UITextFieldDelegate method. Invoked when user types something. */ |
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254 - (BOOL)textField:(UITextField *)_textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { |
| 5134 | 255 |
| 256 if ([string length] == 0) { | |
| 257 /* it wants to replace text with nothing, ie a delete */ | |
| 258 SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_DELETE); | |
| 259 SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_DELETE); | |
| 260 } | |
| 261 else { | |
| 262 /* go through all the characters in the string we've been sent | |
| 263 and convert them to key presses */ | |
| 264 int i; | |
| 265 for (i=0; i<[string length]; i++) { | |
| 266 | |
| 267 unichar c = [string characterAtIndex: i]; | |
| 268 | |
| 269 Uint16 mod = 0; | |
| 270 SDL_ScanCode code; | |
| 271 | |
| 272 if (c < 127) { | |
| 273 /* figure out the SDL_ScanCode and SDL_keymod for this unichar */ | |
| 274 code = unicharToUIKeyInfoTable[c].code; | |
| 275 mod = unicharToUIKeyInfoTable[c].mod; | |
| 276 } | |
| 277 else { | |
| 278 /* we only deal with ASCII right now */ | |
| 279 code = SDL_SCANCODE_UNKNOWN; | |
| 280 mod = 0; | |
| 281 } | |
| 282 | |
| 283 if (mod & KMOD_SHIFT) { | |
| 284 /* If character uses shift, press shift down */ | |
| 285 SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_LSHIFT); | |
| 286 } | |
| 287 /* send a keydown and keyup even for the character */ | |
| 288 SDL_SendKeyboardKey(SDL_PRESSED, code); | |
| 289 SDL_SendKeyboardKey(SDL_RELEASED, code); | |
| 290 if (mod & KMOD_SHIFT) { | |
| 291 /* If character uses shift, press shift back up */ | |
| 292 SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT); | |
| 293 } | |
| 294 } | |
| 295 } | |
| 296 return NO; /* don't allow the edit! (keep placeholder text there) */ | |
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297 } |
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298 |
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299 /* Terminates the editing session */ |
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300 - (BOOL)textFieldShouldReturn:(UITextField*)_textField { |
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301 SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_RETURN); |
| 5134 | 302 [self hideKeyboard]; |
| 303 return YES; | |
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304 } |
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305 |
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306 #endif |
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307 |
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308 @end |
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309 |
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310 /* iPhone keyboard addition functions */ |
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311 #if SDL_IPHONE_KEYBOARD |
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312 |
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313 int SDL_iPhoneKeyboardShow(SDL_Window * window) { |
| 5134 | 314 |
| 315 SDL_WindowData *data; | |
| 316 SDL_uikitview *view; | |
| 317 | |
| 318 if (NULL == window) { | |
| 319 SDL_SetError("Window does not exist"); | |
| 320 return -1; | |
| 321 } | |
| 322 | |
| 323 data = (SDL_WindowData *)window->driverdata; | |
| 324 view = data->view; | |
| 325 | |
| 326 if (nil == view) { | |
| 327 SDL_SetError("Window has no view"); | |
| 328 return -1; | |
| 329 } | |
| 330 else { | |
| 331 [view showKeyboard]; | |
| 332 return 0; | |
| 333 } | |
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334 } |
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335 |
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336 int SDL_iPhoneKeyboardHide(SDL_Window * window) { |
| 5134 | 337 |
| 338 SDL_WindowData *data; | |
| 339 SDL_uikitview *view; | |
| 340 | |
| 341 if (NULL == window) { | |
| 342 SDL_SetError("Window does not exist"); | |
| 343 return -1; | |
| 344 } | |
| 345 | |
| 346 data = (SDL_WindowData *)window->driverdata; | |
| 347 view = data->view; | |
| 348 | |
| 349 if (NULL == view) { | |
| 350 SDL_SetError("Window has no view"); | |
| 351 return -1; | |
| 352 } | |
| 353 else { | |
| 354 [view hideKeyboard]; | |
| 355 return 0; | |
| 356 } | |
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357 } |
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358 |
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359 SDL_bool SDL_iPhoneKeyboardIsShown(SDL_Window * window) { |
| 5134 | 360 |
| 361 SDL_WindowData *data; | |
| 362 SDL_uikitview *view; | |
| 363 | |
| 364 if (NULL == window) { | |
| 365 SDL_SetError("Window does not exist"); | |
| 366 return -1; | |
| 367 } | |
| 368 | |
| 369 data = (SDL_WindowData *)window->driverdata; | |
| 370 view = data->view; | |
| 371 | |
| 372 if (NULL == view) { | |
| 373 SDL_SetError("Window has no view"); | |
| 374 return 0; | |
| 375 } | |
| 376 else { | |
| 377 return view.keyboardVisible; | |
| 378 } | |
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379 } |
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380 |
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381 int SDL_iPhoneKeyboardToggle(SDL_Window * window) { |
| 5134 | 382 |
| 383 SDL_WindowData *data; | |
| 384 SDL_uikitview *view; | |
| 385 | |
| 386 if (NULL == window) { | |
| 387 SDL_SetError("Window does not exist"); | |
| 388 return -1; | |
| 389 } | |
| 390 | |
| 391 data = (SDL_WindowData *)window->driverdata; | |
| 392 view = data->view; | |
| 393 | |
| 394 if (NULL == view) { | |
| 395 SDL_SetError("Window has no view"); | |
| 396 return -1; | |
| 397 } | |
| 398 else { | |
| 399 if (SDL_iPhoneKeyboardIsShown(window)) { | |
| 400 SDL_iPhoneKeyboardHide(window); | |
| 401 } | |
| 402 else { | |
| 403 SDL_iPhoneKeyboardShow(window); | |
| 404 } | |
| 405 return 0; | |
| 406 } | |
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407 } |
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408 |
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409 #else |
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410 |
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411 /* stubs, used if compiled without keyboard support */ |
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412 |
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413 int SDL_iPhoneKeyboardShow(SDL_Window * window) { |
| 5134 | 414 SDL_SetError("Not compiled with keyboard support"); |
| 415 return -1; | |
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416 } |
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417 |
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418 int SDL_iPhoneKeyboardHide(SDL_Window * window) { |
| 5134 | 419 SDL_SetError("Not compiled with keyboard support"); |
| 420 return -1; | |
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421 } |
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422 |
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423 SDL_bool SDL_iPhoneKeyboardIsShown(SDL_Window * window) { |
| 5134 | 424 return 0; |
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425 } |
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426 |
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427 int SDL_iPhoneKeyboardToggle(SDL_Window * window) { |
| 5134 | 428 SDL_SetError("Not compiled with keyboard support"); |
| 429 return -1; | |
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430 } |
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431 |
| 5135 | 432 #endif /* SDL_IPHONE_KEYBOARD */ |
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433 |
| 5135 | 434 /* vi: set ts=4 sw=4 expandtab: */ |