| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| |
| #import "SDL_uikitview.h" |
| |
| #include "../../events/SDL_keyboard_c.h" |
| #include "../../events/SDL_mouse_c.h" |
| #include "../../events/SDL_touch_c.h" |
| |
| #if SDL_IPHONE_KEYBOARD |
| #import "keyinfotable.h" |
| #import "SDL_uikitappdelegate.h" |
| #import "SDL_uikitwindow.h" |
| #endif |
| |
| @implementation SDL_uikitview |
| |
| - (void)dealloc { |
| [super dealloc]; |
| } |
| |
| - (id)initWithFrame:(CGRect)frame { |
| |
| self = [super initWithFrame: frame]; |
| |
| #if SDL_IPHONE_KEYBOARD |
| [self initializeKeyboard]; |
| #endif |
| |
| #ifdef FIXED_MULTITOUCH |
| self.multipleTouchEnabled = YES; |
| |
| SDL_Touch touch; |
| touch.id = 0; //TODO: Should be -1? |
| |
| //touch.driverdata = SDL_malloc(sizeof(EventTouchData)); |
| //EventTouchData* data = (EventTouchData*)(touch.driverdata); |
| |
| touch.x_min = 0; |
| touch.x_max = frame.size.width; |
| touch.native_xres = touch.x_max - touch.x_min; |
| touch.y_min = 0; |
| touch.y_max = frame.size.height; |
| touch.native_yres = touch.y_max - touch.y_min; |
| touch.pressure_min = 0; |
| touch.pressure_max = 1; |
| touch.native_pressureres = touch.pressure_max - touch.pressure_min; |
| |
| |
| touchId = SDL_AddTouch(&touch, "IPHONE SCREEN"); |
| #endif |
| |
| return self; |
| |
| } |
| |
| - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { |
| |
| NSEnumerator *enumerator = [touches objectEnumerator]; |
| UITouch *touch = (UITouch*)[enumerator nextObject]; |
| |
| if (touch) { |
| CGPoint locationInView = [touch locationInView: self]; |
| |
| /* send moved event */ |
| SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y); |
| |
| /* send mouse down event */ |
| SDL_SendMouseButton(NULL, SDL_PRESSED, SDL_BUTTON_LEFT); |
| } |
| |
| #ifdef FIXED_MULTITOUCH |
| while(touch) { |
| CGPoint locationInView = [touch locationInView: self]; |
| |
| |
| #ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS |
| //FIXME: TODO: Using touch as the fingerId is potentially dangerous |
| //It is also much more efficient than storing the UITouch pointer |
| //and comparing it to the incoming event. |
| SDL_SendFingerDown(touchId,(long)touch, |
| SDL_TRUE,locationInView.x,locationInView.y, |
| 1); |
| #else |
| int i; |
| for(i = 0;i < MAX_SIMULTANEOUS_TOUCHES;i++) { |
| if(finger[i] == NULL) { |
| finger[i] = touch; |
| SDL_SendFingerDown(touchId,i, |
| SDL_TRUE,locationInView.x,locationInView.y, |
| 1); |
| break; |
| } |
| } |
| #endif |
| |
| touch = (UITouch*)[enumerator nextObject]; |
| } |
| #endif |
| } |
| |
| - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { |
| |
| NSEnumerator *enumerator = [touches objectEnumerator]; |
| UITouch *touch = (UITouch*)[enumerator nextObject]; |
| |
| if (touch) { |
| /* send mouse up */ |
| SDL_SendMouseButton(NULL, SDL_RELEASED, SDL_BUTTON_LEFT); |
| } |
| |
| #ifdef FIXED_MULTITOUCH |
| while(touch) { |
| CGPoint locationInView = [touch locationInView: self]; |
| |
| |
| #ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS |
| SDL_SendFingerDown(touchId,(long)touch, |
| SDL_FALSE,locationInView.x,locationInView.y, |
| 1); |
| #else |
| int i; |
| for(i = 0;i < MAX_SIMULTANEOUS_TOUCHES;i++) { |
| if(finger[i] == touch) { |
| SDL_SendFingerDown(touchId,i, |
| SDL_FALSE,locationInView.x,locationInView.y, |
| 1); |
| finger[i] = NULL; |
| break; |
| } |
| } |
| #endif |
| |
| touch = (UITouch*)[enumerator nextObject]; |
| } |
| #endif |
| } |
| |
| - (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event { |
| /* |
| this can happen if the user puts more than 5 touches on the screen |
| at once, or perhaps in other circumstances. Usually (it seems) |
| all active touches are canceled. |
| */ |
| [self touchesEnded: touches withEvent: event]; |
| } |
| |
| - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { |
| |
| NSEnumerator *enumerator = [touches objectEnumerator]; |
| UITouch *touch = (UITouch*)[enumerator nextObject]; |
| |
| if (touch) { |
| CGPoint locationInView = [touch locationInView: self]; |
| |
| /* send moved event */ |
| SDL_SendMouseMotion(NULL, 0, locationInView.x, locationInView.y); |
| } |
| |
| #ifdef FIXED_MULTITOUCH |
| while(touch) { |
| CGPoint locationInView = [touch locationInView: self]; |
| |
| |
| #ifdef IPHONE_TOUCH_EFFICIENT_DANGEROUS |
| SDL_SendTouchMotion(touchId,(long)touch, |
| SDL_FALSE,locationInView.x,locationInView.y, |
| 1); |
| #else |
| int i; |
| for(i = 0;i < MAX_SIMULTANEOUS_TOUCHES;i++) { |
| if(finger[i] == touch) { |
| SDL_SendTouchMotion(touchId,i, |
| SDL_FALSE,locationInView.x,locationInView.y, |
| 1); |
| break; |
| } |
| } |
| #endif |
| |
| touch = (UITouch*)[enumerator nextObject]; |
| } |
| #endif |
| } |
| |
| /* |
| ---- Keyboard related functionality below this line ---- |
| */ |
| #if SDL_IPHONE_KEYBOARD |
| |
| /* Is the iPhone virtual keyboard visible onscreen? */ |
| - (BOOL)keyboardVisible { |
| return keyboardVisible; |
| } |
| |
| /* Set ourselves up as a UITextFieldDelegate */ |
| - (void)initializeKeyboard { |
| |
| textField = [[UITextField alloc] initWithFrame: CGRectZero]; |
| textField.delegate = self; |
| /* placeholder so there is something to delete! */ |
| textField.text = @" "; |
| |
| /* set UITextInputTrait properties, mostly to defaults */ |
| textField.autocapitalizationType = UITextAutocapitalizationTypeNone; |
| textField.autocorrectionType = UITextAutocorrectionTypeNo; |
| textField.enablesReturnKeyAutomatically = NO; |
| textField.keyboardAppearance = UIKeyboardAppearanceDefault; |
| textField.keyboardType = UIKeyboardTypeDefault; |
| textField.returnKeyType = UIReturnKeyDefault; |
| textField.secureTextEntry = NO; |
| |
| textField.hidden = YES; |
| keyboardVisible = NO; |
| /* add the UITextField (hidden) to our view */ |
| [self addSubview: textField]; |
| [textField release]; |
| } |
| |
| /* reveal onscreen virtual keyboard */ |
| - (void)showKeyboard { |
| keyboardVisible = YES; |
| [textField becomeFirstResponder]; |
| } |
| |
| /* hide onscreen virtual keyboard */ |
| - (void)hideKeyboard { |
| keyboardVisible = NO; |
| [textField resignFirstResponder]; |
| } |
| |
| /* UITextFieldDelegate method. Invoked when user types something. */ |
| - (BOOL)textField:(UITextField *)_textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { |
| |
| if ([string length] == 0) { |
| /* it wants to replace text with nothing, ie a delete */ |
| SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_DELETE); |
| SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_DELETE); |
| } |
| else { |
| /* go through all the characters in the string we've been sent |
| and convert them to key presses */ |
| int i; |
| for (i=0; i<[string length]; i++) { |
| |
| unichar c = [string characterAtIndex: i]; |
| |
| Uint16 mod = 0; |
| SDL_Scancode code; |
| |
| if (c < 127) { |
| /* figure out the SDL_Scancode and SDL_keymod for this unichar */ |
| code = unicharToUIKeyInfoTable[c].code; |
| mod = unicharToUIKeyInfoTable[c].mod; |
| } |
| else { |
| /* we only deal with ASCII right now */ |
| code = SDL_SCANCODE_UNKNOWN; |
| mod = 0; |
| } |
| |
| if (mod & KMOD_SHIFT) { |
| /* If character uses shift, press shift down */ |
| SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_LSHIFT); |
| } |
| /* send a keydown and keyup even for the character */ |
| SDL_SendKeyboardKey(SDL_PRESSED, code); |
| SDL_SendKeyboardKey(SDL_RELEASED, code); |
| if (mod & KMOD_SHIFT) { |
| /* If character uses shift, press shift back up */ |
| SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT); |
| } |
| } |
| SDL_SendKeyboardText([string UTF8String]); |
| } |
| return NO; /* don't allow the edit! (keep placeholder text there) */ |
| } |
| |
| /* Terminates the editing session */ |
| - (BOOL)textFieldShouldReturn:(UITextField*)_textField { |
| SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_RETURN); |
| [self hideKeyboard]; |
| return YES; |
| } |
| |
| #endif |
| |
| @end |
| |
| /* iPhone keyboard addition functions */ |
| #if SDL_IPHONE_KEYBOARD |
| |
| int SDL_iPhoneKeyboardShow(SDL_Window * window) { |
| |
| SDL_WindowData *data; |
| SDL_uikitview *view; |
| |
| if (NULL == window) { |
| SDL_SetError("Window does not exist"); |
| return -1; |
| } |
| |
| data = (SDL_WindowData *)window->driverdata; |
| view = data->view; |
| |
| if (nil == view) { |
| SDL_SetError("Window has no view"); |
| return -1; |
| } |
| else { |
| [view showKeyboard]; |
| return 0; |
| } |
| } |
| |
| int SDL_iPhoneKeyboardHide(SDL_Window * window) { |
| |
| SDL_WindowData *data; |
| SDL_uikitview *view; |
| |
| if (NULL == window) { |
| SDL_SetError("Window does not exist"); |
| return -1; |
| } |
| |
| data = (SDL_WindowData *)window->driverdata; |
| view = data->view; |
| |
| if (NULL == view) { |
| SDL_SetError("Window has no view"); |
| return -1; |
| } |
| else { |
| [view hideKeyboard]; |
| return 0; |
| } |
| } |
| |
| SDL_bool SDL_iPhoneKeyboardIsShown(SDL_Window * window) { |
| |
| SDL_WindowData *data; |
| SDL_uikitview *view; |
| |
| if (NULL == window) { |
| SDL_SetError("Window does not exist"); |
| return -1; |
| } |
| |
| data = (SDL_WindowData *)window->driverdata; |
| view = data->view; |
| |
| if (NULL == view) { |
| SDL_SetError("Window has no view"); |
| return 0; |
| } |
| else { |
| return view.keyboardVisible; |
| } |
| } |
| |
| int SDL_iPhoneKeyboardToggle(SDL_Window * window) { |
| |
| SDL_WindowData *data; |
| SDL_uikitview *view; |
| |
| if (NULL == window) { |
| SDL_SetError("Window does not exist"); |
| return -1; |
| } |
| |
| data = (SDL_WindowData *)window->driverdata; |
| view = data->view; |
| |
| if (NULL == view) { |
| SDL_SetError("Window has no view"); |
| return -1; |
| } |
| else { |
| if (SDL_iPhoneKeyboardIsShown(window)) { |
| SDL_iPhoneKeyboardHide(window); |
| } |
| else { |
| SDL_iPhoneKeyboardShow(window); |
| } |
| return 0; |
| } |
| } |
| |
| #else |
| |
| /* stubs, used if compiled without keyboard support */ |
| |
| int SDL_iPhoneKeyboardShow(SDL_Window * window) { |
| SDL_SetError("Not compiled with keyboard support"); |
| return -1; |
| } |
| |
| int SDL_iPhoneKeyboardHide(SDL_Window * window) { |
| SDL_SetError("Not compiled with keyboard support"); |
| return -1; |
| } |
| |
| SDL_bool SDL_iPhoneKeyboardIsShown(SDL_Window * window) { |
| return 0; |
| } |
| |
| int SDL_iPhoneKeyboardToggle(SDL_Window * window) { |
| SDL_SetError("Not compiled with keyboard support"); |
| return -1; |
| } |
| |
| #endif /* SDL_IPHONE_KEYBOARD */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |
