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+/*
+ * This file is part of the DOM implementation for KDE.
+ *
+ * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
+ * (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * (C) 2002-2003 Apple Computer, Inc.
+ *
+ * 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 RENDER_BOX_H
+#define RENDER_BOX_H
+
+#include "render_container.h"
+
+namespace khtml {
+
+enum WidthType { Width, MinWidth, MaxWidth };
+enum HeightType { Height, MinHeight, MaxHeight };
+
+class RenderBlock;
+
+class RenderBox : public RenderContainer
+{
+
+
+// combines ElemImpl & PosElImpl (all rendering objects are positioned)
+// should contain all border and padding handling
+
+public:
+ RenderBox(DOM::NodeImpl* node);
+ virtual ~RenderBox();
+
+ virtual const char *renderName() const { return "RenderBox"; }
+ virtual bool isBox() const { return true; }
+
+ virtual void setStyle(RenderStyle *style);
+ virtual void paint(PaintInfo& i, int _tx, int _ty);
+
+ virtual void close();
+
+ virtual InlineBox* createInlineBox(bool makePlaceHolderBox, bool isRootLineBox);
+ virtual void deleteInlineBoxes(RenderArena* arena=0);
+
+ virtual void detach();
+
+ virtual short minWidth() const { return m_minWidth; }
+ virtual int maxWidth() const { return m_maxWidth; }
+
+ virtual short contentWidth() const;
+ virtual int contentHeight() const;
+
+ virtual bool absolutePosition(int &xPos, int &yPos, bool f = false) const;
+
+ virtual void setPos( int xPos, int yPos );
+
+ virtual int xPos() const { return m_x; }
+ virtual int yPos() const { return m_y; }
+ virtual short width() const;
+ virtual int height() const;
+
+ virtual short marginTop() const { return m_marginTop; }
+ virtual short marginBottom() const { return m_marginBottom; }
+ virtual short marginLeft() const { return m_marginLeft; }
+ virtual short marginRight() const { return m_marginRight; }
+
+ virtual void setWidth( int width );
+ virtual void setHeight( int height );
+
+ virtual void position(InlineBox* box, int from, int len, bool reverse);
+
+ virtual int highestPosition(bool includeOverflowInterior=true, bool includeSelf=true) const;
+ virtual int lowestPosition(bool includeOverflowInterior=true, bool includeSelf=true) const;
+ virtual int rightmostPosition(bool includeOverflowInterior=true, bool includeSelf=true) const;
+ virtual int leftmostPosition(bool includeOverflowInterior=true, bool includeSelf=true) const;
+
+ virtual void repaint(Priority p=NormalPriority);
+
+ virtual void repaintRectangle(int x, int y, int w, int h, Priority p=NormalPriority, bool f=false);
+
+ virtual short containingBlockWidth() const;
+ void relativePositionOffset(int &tx, int &ty) const;
+
+ virtual void calcWidth();
+ virtual void calcHeight();
+
+ virtual short calcReplacedWidth() const;
+ virtual int calcReplacedHeight() const;
+
+ virtual int availableHeight() const;
+ virtual int availableWidth() const;
+
+ void calcVerticalMargins();
+
+ virtual RenderLayer* layer() const { return m_layer; }
+
+ void setStaticX(short staticX);
+ void setStaticY(int staticY);
+ int staticX() const { return m_staticX; }
+ int staticY() const { return m_staticY; }
+
+ virtual void caretPos(int offset, int flags, int &_x, int &_y, int &width, int &height);
+
+ void calcHorizontalMargins(const Length& ml, const Length& mr, int cw);
+ RenderBlock* createAnonymousBlock();
+
+ virtual int pageTopAfter(int y) const;
+ virtual int crossesPageBreak(int t, int b) const;
+
+ int calcBoxWidth(int w) const;
+ int calcBoxHeight(int h) const;
+ int calcContentWidth(int w) const;
+ int calcContentHeight(int h) const;
+
+protected:
+ int calcWidthUsing(WidthType widthType, int cw, LengthType& lengthType);
+ int calcHeightUsing(const Length& height);
+ int calcReplacedWidthUsing(WidthType widthType) const;
+ int calcReplacedHeightUsing(HeightType heightType) const;
+ int calcPercentageHeight(const Length& height, bool treatAsReplaced = false) const;
+ int availableHeightUsing(const Length& h) const;
+ int availableWidthUsing(const Length& w) const;
+ int calcImplicitHeight() const;
+ bool hasImplicitHeight() const {
+ return isPositioned() && !style()->top().isVariable() && !style()->bottom().isVariable();
+ }
+
+protected:
+ virtual void paintBoxDecorations(PaintInfo& paintInfo, int _tx, int _ty);
+ void paintRootBoxDecorations( PaintInfo& paintInfo, int _tx, int _ty);
+
+ void paintBackgrounds(QPainter *p, const QColor& c, const BackgroundLayer* bgLayer, int clipy, int cliph, int _tx, int _ty, int w, int h);
+ void paintBackground(QPainter *p, const QColor& c, const BackgroundLayer* bgLayer, int clipy, int cliph, int _tx, int _ty, int w, int h);
+
+ virtual void paintBackgroundExtended(QPainter* /*p*/, const QColor& /*c*/, const BackgroundLayer* /*bgLayer*/,
+ int /*clipy*/, int /*cliph*/, int /*_tx*/, int /*_ty*/,
+ int /*w*/, int /*height*/, int /*bleft*/, int /*bright*/, int /*pleft*/, int /*pright*/ );
+
+ void outlineBox(QPainter *p, int _tx, int _ty, const char *color = "red");
+
+ void calcAbsoluteHorizontal();
+ void calcAbsoluteVertical();
+ void calcAbsoluteHorizontalValues(Length width, const RenderObject* cb, EDirection containerDirection,
+ const int containerWidth, const int bordersPlusPadding,
+ const Length left, const Length right, const Length marginLeft, const Length marginRight,
+ short& widthValue, short& marginLeftValue, short& marginRightValue, short& xPos);
+ void calcAbsoluteVerticalValues(Length height, const RenderObject* cb,
+ const int containerHeight, const int bordersPlusPadding,
+ const Length top, const Length bottom, const Length marginTop, const Length marginBottom,
+ int& heightValue, short& marginTopValue, short& marginBottomValue, int& yPos);
+
+ void calcAbsoluteVerticalReplaced();
+ void calcAbsoluteHorizontalReplaced();
+
+ QRect getOverflowClipRect(int tx, int ty);
+ QRect getClipRect(int tx, int ty);
+
+ void restructureParentFlow();
+
+
+ // the actual height of the contents + borders + padding (border-box)
+ int m_height;
+ int m_y;
+
+ short m_width;
+ short m_x;
+
+ short m_marginTop;
+ short m_marginBottom;
+
+ short m_marginLeft;
+ short m_marginRight;
+
+ /*
+ * the minimum width the element needs, to be able to render
+ * its content without clipping
+ */
+ short m_minWidth;
+ /* The maximum width the element can fill horizontally
+ * ( = the width of the element with line breaking disabled)
+ */
+ int m_maxWidth;
+
+ // Cached normal flow values for absolute positioned elements with static left/top values.
+ short m_staticX;
+ int m_staticY;
+
+ RenderLayer *m_layer;
+
+ /* A box used to represent this object on a line
+ * when its inner content isn't contextually relevant
+ * (e.g replaced or positioned elements)
+ */
+ InlineBox *m_placeHolderBox;
+};
+
+
+} //namespace
+
+#endif
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