2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
24 #include "RenderText.h"
27 * The whole class here is a hack to get <br> working, as long as we don't have support for
28 * CSS2 :before and :after pseudo elements
34 class RenderBR : public RenderText {
39 virtual const char* renderName() const { return "RenderBR"; }
41 virtual LayoutRect selectionRectForRepaint(RenderBoxModelObject* /*repaintContainer*/, bool /*clipToVisibleContent*/) { return LayoutRect(); }
43 virtual float width(unsigned /*from*/, unsigned /*len*/, const Font&, float /*xPos*/, HashSet<const SimpleFontData*>* = 0 /*fallbackFonts*/ , GlyphOverflow* = 0) const { return 0; }
44 virtual float width(unsigned /*from*/, unsigned /*len*/, float /*xpos*/, bool = false /*firstLine*/, HashSet<const SimpleFontData*>* = 0 /*fallbackFonts*/, GlyphOverflow* = 0) const { return 0; }
46 int lineHeight(bool firstLine) const;
49 virtual bool isBR() const { return true; }
51 virtual int caretMinOffset() const;
52 virtual int caretMaxOffset() const;
54 virtual VisiblePosition positionForPoint(const LayoutPoint&);
57 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
60 mutable int m_lineHeight;
64 inline RenderBR* toRenderBR(RenderObject* object)
66 ASSERT(!object || object->isBR());
67 return static_cast<RenderBR*>(object);
70 inline const RenderBR* toRenderBR(const RenderObject* object)
72 ASSERT(!object || object->isBR());
73 return static_cast<const RenderBR*>(object);
76 // This will catch anyone doing an unnecessary cast.
77 void toRenderBR(const RenderBR*);
79 } // namespace WebCore