khtml/rendering/render_br.h

   1 /*
   2  * This file is part of the DOM implementation for KDE.
   3  *
   4  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public License
  17  * along with this library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  *
  21  */
  22 #ifndef RENDER_BR_H
  23 #define RENDER_BR_H
  24
  25 #include "render_text.h"
  26
  27 namespace DOM {
  28     class Position;
  29 }
  30
  31 /*
  32  * The whole class here is a hack to get <br> working, as long as we don't have support for
  33  * CSS2 :before and :after pseudo elements
  34  */
  35 namespace khtml {
  36
  37 class RenderBR : public RenderText
  38 {
  39 public:
  40     RenderBR(DOM::NodeImpl* node);
  41     virtual ~RenderBR();
  42
  43     virtual const char *renderName() const { return "RenderBR"; }
  44
  45     virtual void paint( PaintInfo&, int, int) {}
  46
  47     virtual unsigned int width(unsigned int, unsigned int, const Font *) const { return 0; }
  48     virtual unsigned int width( unsigned int, unsigned int, bool) const { return 0; }
  49     virtual short width() const { return RenderText::width(); }
  50
  51     virtual int height() const { return 0; }
  52
  53     // overrides
  54     virtual void calcMinMaxWidth() {}
  55     virtual short minWidth() const { return 0; }
  56     virtual int maxWidth() const { return 0; }
  57
  58     virtual FindSelectionResult checkSelectionPoint( int _x, int _y, int _tx, int _ty,
  59                                                      DOM::NodeImpl*& node, int & offset,
  60                                                      SelPointState & );
  61
  62     virtual bool isBR() const { return true; }
  63
  64     virtual long caretMinOffset() const;
  65     virtual long caretMaxOffset() const;
  66     virtual unsigned long caretMaxRenderedOffset() const;
  67
  68     virtual DOM::Position positionForCoordinates(int _x, int _y);
  69 #if 0
  70     virtual void caretPos(int offset, int flags, int &_x, int &_y, int &width, int &height) const;
  71 #endif
  72
  73     virtual InlineBox *inlineBox(long offset);
  74
  75 };
  76
  77 }
  78 #endif