diff options
Diffstat (limited to 'Source/WebCore/rendering/RenderBR.h')
-rw-r--r-- | Source/WebCore/rendering/RenderBR.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/RenderBR.h b/Source/WebCore/rendering/RenderBR.h new file mode 100644 index 0000000..7216b5a --- /dev/null +++ b/Source/WebCore/rendering/RenderBR.h @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2000 Lars Knoll (knoll@kde.org) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#ifndef RenderBR_h +#define RenderBR_h + +#include "RenderText.h" + +/* + * The whole class here is a hack to get <br> working, as long as we don't have support for + * CSS2 :before and :after pseudo elements + */ +namespace WebCore { + +class Position; + +class RenderBR : public RenderText { +public: + RenderBR(Node*); + virtual ~RenderBR(); + + virtual const char* renderName() const { return "RenderBR"; } + + virtual IntRect selectionRectForRepaint(RenderBoxModelObject* /*repaintContainer*/, bool /*clipToVisibleContent*/) { return IntRect(); } + + virtual unsigned width(unsigned /*from*/, unsigned /*len*/, const Font&, int /*xpos*/) const { return 0; } + virtual unsigned width(unsigned /*from*/, unsigned /*len*/, int /*xpos*/, bool /*firstLine = false*/) const { return 0; } + + int lineHeight(bool firstLine) const; + + // overrides + virtual bool isBR() const { return true; } + + virtual int caretMinOffset() const; + virtual int caretMaxOffset() const; + virtual unsigned caretMaxRenderedOffset() const; + + virtual VisiblePosition positionForPoint(const IntPoint&); + +protected: + virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); + +private: + mutable int m_lineHeight; +}; + + +inline RenderBR* toRenderBR(RenderObject* object) +{ + ASSERT(!object || object->isBR()); + return static_cast<RenderBR*>(object); +} + +inline const RenderBR* toRenderBR(const RenderObject* object) +{ + ASSERT(!object || object->isBR()); + return static_cast<const RenderBR*>(object); +} + +// This will catch anyone doing an unnecessary cast. +void toRenderBR(const RenderBR*); + +} // namespace WebCore + +#endif // RenderBR_h |