Mercurial > sdl-ios-xcode
view src/video/uikit/SDL_uikitview.m @ 2448:e060950cbf30 gsoc2008_iphone
updated #include path, added comments.
author | Holmes Futrell <hfutrell@umail.ucsb.edu> |
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date | Sat, 16 Aug 2008 00:13:42 +0000 |
parents | 491958a6c881 |
children | 96124abbcede |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #import "SDL_uikitview.h" #if SDL_IPHONE_KEYBOARD #import "SDL_keyboard_c.h" #import "keyinfotable.h" #import "SDL_uikitappdelegate.h" #import "SDL_uikitwindow.h" #endif @implementation SDL_uikitview - (void)dealloc { #if SDL_IPHONE_KEYBOARD [textField release]; #endif [super dealloc]; } - (id)initWithFrame:(CGRect)frame { self = [super initWithFrame: frame]; #if SDL_IPHONE_KEYBOARD [self initializeKeyboard]; #endif int i; for (i=0; i<MAX_SIMULTANEOUS_TOUCHES; i++) { mice[i].driverdata = NULL; SDL_AddMouse(&(mice[i]), i); } self.multipleTouchEnabled = YES; return self; } - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { NSEnumerator *enumerator = [touches objectEnumerator]; UITouch *touch=(UITouch*)[enumerator nextObject]; // associate touches with mice, so long as we have slots int i; int found = 0; for(i=0; touch && i < MAX_SIMULTANEOUS_TOUCHES; i++) { // check if this mouse is already tracking a touch if (mice[i].driverdata != NULL) { continue; } found = 1; int oldMouse = SDL_SelectMouse(-1); SDL_SelectMouse(i); CGPoint locationInView = [touch locationInView: self]; mice[i].driverdata = [touch retain]; SDL_SendMouseMotion(i, 0, locationInView.x, locationInView.y); SDL_SendMouseButton(i, SDL_PRESSED, SDL_BUTTON_LEFT); SDL_GetRelativeMouseState(NULL, NULL); touch = (UITouch*)[enumerator nextObject]; SDL_SelectMouse(oldMouse); } } - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { NSEnumerator *enumerator = [touches objectEnumerator]; UITouch *touch=nil; while(touch = (UITouch *)[enumerator nextObject]) { int i, found = NO; for (i=0; i<MAX_SIMULTANEOUS_TOUCHES && !found; i++) { if (mice[i].driverdata == touch) { [(UITouch*)(mice[i].driverdata) release]; mice[i].driverdata = NULL; SDL_SendMouseButton(i, SDL_RELEASED, SDL_BUTTON_LEFT); found = YES; } } } } - (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=nil; while(touch = (UITouch *)[enumerator nextObject]) { int i, found = NO; for (i=0; i<MAX_SIMULTANEOUS_TOUCHES && !found; i++) { if (mice[i].driverdata == touch) { CGPoint locationInView = [touch locationInView: self]; SDL_SendMouseMotion(i, 0, locationInView.x, locationInView.y); found = YES; } } } } /* ---- Keyboard related functionality below this line ---- */ #if SDL_IPHONE_KEYBOARD - (BOOL)keyboardVisible { return keyboardVisible; } /* UITextFieldDelegate related methods */ - (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; [self addSubview: textField]; /* SDL makes a copy of our keyboard. */ SDL_Keyboard keyboard; SDL_zero(keyboard); //data->keyboard = SDL_AddKeyboard(&keyboard, -1); /* We'll need to delete this keyboard ... */ SDL_AddKeyboard(&keyboard, 0); SDLKey keymap[SDL_NUM_SCANCODES]; SDL_GetDefaultKeymap(keymap); SDL_SetKeymap(0, 0, keymap, SDL_NUM_SCANCODES); } - (void)showKeyboard { keyboardVisible = YES; [textField becomeFirstResponder]; } - (void)hideKeyboard { keyboardVisible = NO; [textField resignFirstResponder]; } - (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( 0, SDL_PRESSED, SDL_SCANCODE_DELETE); SDL_SendKeyboardKey( 0, SDL_RELEASED, SDL_SCANCODE_DELETE); } else { int i; for (i=0; i<[string length]; i++) { unichar c = [string characterAtIndex: i]; Uint16 mod = 0; SDL_scancode code; if (c < 127) { code = unicharToUIKeyInfoTable[c].code; mod = unicharToUIKeyInfoTable[c].mod; } else { code = SDL_SCANCODE_UNKNOWN; mod = 0; } if (mod & KMOD_SHIFT) { SDL_SendKeyboardKey( 0, SDL_PRESSED, SDL_SCANCODE_LSHIFT); } SDL_SendKeyboardKey( 0, SDL_PRESSED, code); SDL_SendKeyboardKey( 0, SDL_RELEASED, code); if (mod & KMOD_SHIFT) { SDL_SendKeyboardKey( 0, SDL_RELEASED, SDL_SCANCODE_LSHIFT); } } } return NO; /* don't allow the edit(!) */ } /* Terminates the editing session */ - (BOOL)textFieldShouldReturn:(UITextField*)_textField { [self hideKeyboard]; return YES; } #endif @end /* iPhone keyboard addition functions */ #if SDL_IPHONE_KEYBOARD int SDL_iPhoneKeyboardShow(SDL_WindowID windowID) { SDL_Window *window = SDL_GetWindowFromID(windowID); 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_WindowID windowID) { SDL_Window *window = SDL_GetWindowFromID(windowID); 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_WindowID windowID) { SDL_Window *window = SDL_GetWindowFromID(windowID); 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_WindowID windowID) { SDL_Window *window = SDL_GetWindowFromID(windowID); 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(windowID)) { SDL_iPhoneKeyboardHide(windowID); } else { SDL_iPhoneKeyboardShow(windowID); } return 0; } } #else int SDL_iPhoneKeyboardShow(SDL_WindowID windowID) { SDL_SetError("Not compiled with keyboard support"); return -1; } int SDL_iPhoneKeyboardHide(SDL_WindowID windowID) { SDL_SetError("Not compiled with keyboard support"); return -1; } SDL_bool SDL_iPhoneKeyboardIsShown(SDL_WindowID windowID) { return 0; } int SDL_iPhoneKeyboardToggle(SDL_WindowID windowID) { SDL_SetError("Not compiled with keyboard support"); return -1; } #endif /* SDL_IPHONE_KEYBOARD */