File indexing completed on 2024-11-10 09:38:55
0001 /** 0002 * This file is part of the DOM implementation for KDE. 0003 * 0004 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) 0005 * 0006 * This library is free software; you can redistribute it and/or 0007 * modify it under the terms of the GNU Library General Public 0008 * License as published by the Free Software Foundation; either 0009 * version 2 of the License, or (at your option) any later version. 0010 * 0011 * This library is distributed in the hope that it will be useful, 0012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 0013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0014 * Library General Public License for more details. 0015 * 0016 * You should have received a copy of the GNU Library General Public License 0017 * along with this library; see the file COPYING.LIB. If not, write to 0018 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0019 * Boston, MA 02110-1301, USA. 0020 * 0021 */ 0022 #include "render_br.h" 0023 0024 using namespace khtml; 0025 using DOM::Position; 0026 0027 RenderBR::RenderBR(DOM::NodeImpl *node) 0028 : RenderText(node, new DOM::DOMStringImpl(QChar('\n'))) 0029 { 0030 m_hasReturn = true; 0031 } 0032 0033 RenderBR::~RenderBR() 0034 { 0035 } 0036 0037 long RenderBR::caretMinOffset() const 0038 { 0039 return 0; 0040 } 0041 0042 long RenderBR::caretMaxOffset() const 0043 { 0044 return 1; 0045 } 0046 0047 unsigned long RenderBR::caretMaxRenderedOffset() const 0048 { 0049 return 1; 0050 } 0051 0052 RenderPosition RenderBR::positionForCoordinates(int /*_x*/, int /*_y*/) 0053 { 0054 return RenderPosition(element(), 0); 0055 } 0056 0057 #if 0 0058 void RenderBR::caretPos(int offset, int flags, int &_x, int &_y, int &width, int &height) const 0059 { 0060 RenderText::caretPos(offset, flags, _x, _y, width, height); 0061 return; 0062 #if 0 0063 if (previousSibling() && !previousSibling()->isBR() && !previousSibling()->isFloating()) { 0064 int offset = 0; 0065 if (previousSibling()->isText()) { 0066 offset = static_cast<RenderText *>(previousSibling())->maxOffset(); 0067 } 0068 0069 // FIXME: this won't return a big width in override mode (LS) 0070 previousSibling()->caretPos(offset, override, _x, _y, width, height); 0071 return; 0072 } 0073 0074 int absx, absy; 0075 absolutePosition(absx, absy); 0076 if (absx == -1) { 0077 // we don't know out absolute position, and there is no point returning 0078 // just a relative one 0079 _x = _y = -1; 0080 } else { 0081 _x += absx; 0082 _y += absy; 0083 } 0084 height = RenderText::verticalPositionHint(false); 0085 width = override ? height / 2 : 1; 0086 #endif 0087 } 0088 #endif 0089 0090 FindSelectionResult RenderBR::checkSelectionPoint(int _x, int _y, int _tx, int _ty, DOM::NodeImpl *&node, int &offset, SelPointState &state) 0091 { 0092 // Simply take result of previous one 0093 RenderText *prev = static_cast<RenderText *>(previousSibling()); 0094 if (!prev || !prev->isText() || !prev->firstTextBox() || prev->isBR()) { 0095 prev = this; 0096 } 0097 0098 //qCDebug(KHTML_LOG) << "delegated to " << prev->renderName() << "@" << prev; 0099 return prev->RenderText::checkSelectionPoint(_x, _y, _tx, _ty, node, offset, state); 0100 } 0101 0102 InlineBox *RenderBR::inlineBox(long /*offset*/) 0103 { 0104 return firstTextBox(); 0105 }