FIFE
2008.0
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00001 /*************************************************************************** 00002 * Copyright (C) 2009 by the FIFE team * 00003 * http://www.fifengine.de * 00004 * This file is part of FIFE. * 00005 * * 00006 * FIFE is free software; you can redistribute it and/or * 00007 * modify it under the terms of the GNU Lesser General Public * 00008 * License as published by the Free Software Foundation; either * 00009 * version 2.1 of the License, or (at your option) any later version. * 00010 * * 00011 * This library is distributed in the hope that it will be useful, * 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00014 * Lesser General Public License for more details. * 00015 * * 00016 * You should have received a copy of the GNU Lesser General Public * 00017 * License along with this library; if not, write to the * 00018 * Free Software Foundation, Inc., * 00019 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * 00020 ***************************************************************************/ 00021 00022 // Standard C++ library includes 00023 #include <cassert> 00024 00025 // 3rd party library includes 00026 00027 // FIFE includes 00028 // These includes are split up in two parts, separated by one empty line 00029 // First block: files included from the FIFE root src directory 00030 // Second block: files included from the same folder 00031 #include "utf8textfield.h" 00032 00033 namespace gcn { 00034 00035 UTF8TextField::UTF8TextField(const std::string & text) 00036 : TextField(text) 00037 { 00038 mStringEditor = new UTF8StringEditor(); 00039 } 00040 00041 UTF8TextField::~UTF8TextField() 00042 { 00043 delete mStringEditor; 00044 } 00045 00046 void UTF8TextField::keyPressed(KeyEvent & keyEvent) 00047 { 00048 Key key = keyEvent.getKey(); 00049 00050 if (key.getValue() == Key::LEFT && mCaretPosition > 0) 00051 { 00052 mCaretPosition = mStringEditor->prevChar(mText, mCaretPosition); 00053 } 00054 else if (key.getValue() == Key::RIGHT && mCaretPosition < mText.size()) 00055 { 00056 mCaretPosition = mStringEditor->nextChar(mText, mCaretPosition); 00057 } 00058 else if (key.getValue() == Key::DELETE && mCaretPosition < mText.size()) 00059 { 00060 mCaretPosition = mStringEditor->eraseChar(mText, mCaretPosition); 00061 } 00062 else if (key.getValue() == Key::BACKSPACE && mCaretPosition > 0) 00063 { 00064 mCaretPosition = mStringEditor->prevChar(mText, mCaretPosition); 00065 mCaretPosition = mStringEditor->eraseChar(mText, mCaretPosition); 00066 } 00067 else if (key.getValue() == Key::ENTER) 00068 { 00069 distributeActionEvent(); 00070 } 00071 else if (key.getValue() == Key::HOME) 00072 { 00073 mCaretPosition = 0; 00074 } 00075 00076 else if (key.getValue() == Key::END) 00077 { 00078 mCaretPosition = mText.size(); 00079 } 00080 00081 // Add character to text, if key is realy a ASCII character 00082 // or is greater than 8bits long and the character is not 00083 // the tab key. 00084 else if ((key.isCharacter() || key.getValue() > 255) 00085 && key.getValue() != Key::TAB) 00086 { 00087 mCaretPosition = mStringEditor->insertChar(mText, mCaretPosition, key.getValue()); 00088 } 00089 00090 if (key.getValue() != Key::TAB) 00091 { 00092 // consume all characters except TAB which is needed 00093 // for traversing through widgets in a container. 00094 keyEvent.consume(); 00095 } 00096 00097 fixScroll(); 00098 } 00099 00100 }; 00101 00102