diff options
Diffstat (limited to 'khtml/rendering/render_table.h')
| -rw-r--r-- | khtml/rendering/render_table.h | 524 |
1 files changed, 524 insertions, 0 deletions
diff --git a/khtml/rendering/render_table.h b/khtml/rendering/render_table.h new file mode 100644 index 000000000..979b92187 --- /dev/null +++ b/khtml/rendering/render_table.h @@ -0,0 +1,524 @@ +/* + * This file is part of the DOM implementation for KDE. + * + * Copyright (C) 1997 Martin Jones (mjones@kde.org) + * (C) 1997 Torben Weis (weis@kde.org) + * (C) 1998 Waldo Bastian (bastian@kde.org) + * (C) 1999-2003 Lars Knoll (knoll@kde.org) + * (C) 1999 Antti Koivisto (koivisto@kde.org) + * (C) 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_TABLE_H +#define RENDER_TABLE_H + +#include <qcolor.h> +#include <qptrvector.h> + +#include "rendering/render_box.h" +#include "rendering/render_block.h" +#include "rendering/render_style.h" + +#include "misc/khtmllayout.h" + +namespace DOM { + class DOMString; +} + +namespace khtml { + +class RenderTable; +class RenderTableSection; +class RenderTableRow; +class RenderTableCell; +class RenderTableCol; +class TableLayout; + +class RenderTable : public RenderBlock +{ +public: + + RenderTable(DOM::NodeImpl* node); + ~RenderTable(); + + virtual const char *renderName() const { return "RenderTable"; } + + virtual void setStyle(RenderStyle *style); + + virtual bool isTable() const { return true; } + + int getColumnPos(int col) const + { return columnPos[col]; } + + int borderHSpacing() const { return hspacing; } + int borderVSpacing() const { return vspacing; } + + bool collapseBorders() const { return style()->borderCollapse(); } + int borderLeft() const; + int borderRight() const; + int borderTop() const; + int borderBottom() const; + int paddingLeft() const { return collapseBorders() ? 0 : RenderBlock::paddingLeft(); } + int paddingRight() const { return collapseBorders() ? 0 : RenderBlock::paddingRight(); } + int paddingTop() const { return collapseBorders() ? 0 : RenderBlock::paddingTop(); } + int paddingBottom() const { return collapseBorders() ? 0 : RenderBlock::paddingBottom(); } + + const QColor &bgColor() const { return style()->backgroundColor(); } + + uint cellPadding() const { return padding; } + void setCellPadding( uint p ) { padding = p; } + + // overrides + virtual void addChild(RenderObject *child, RenderObject *beforeChild = 0); + virtual void paint( PaintInfo&, int tx, int ty); + virtual void paintBoxDecorations(PaintInfo&, int _tx, int _ty); + virtual void layout(); + virtual void calcMinMaxWidth(); + virtual void close(); + + virtual short lineHeight(bool b) const; + virtual short baselinePosition(bool b) const; + + virtual void setCellWidths( ); + + virtual void calcWidth(); + + virtual FindSelectionResult checkSelectionPoint( int _x, int _y, int _tx, int _ty, + DOM::NodeImpl*& node, int & offset, + SelPointState & ); + +#ifdef ENABLE_DUMP + virtual void dump(QTextStream &stream, const QString &ind) const; +#endif + struct ColumnStruct { + enum { + WidthUndefined = 0xffff + }; + ColumnStruct() { + span = 1; + width = WidthUndefined; + } + ushort span; + ushort width; // the calculated position of the column + }; + + QMemArray<int> columnPos; + QMemArray<ColumnStruct> columns; + + void splitColumn( int pos, int firstSpan ); + void appendColumn( int span ); + int numEffCols() const { return columns.size(); } + int spanOfEffCol( int effCol ) const { return columns[effCol].span; } + int colToEffCol( int col ) const { + int c = 0; + int i = 0; + while ( c < col && i < (int)columns.size() ) { + c += columns[i].span; + i++; + } + return i; + } + int effColToCol( int effCol ) const { + int c = 0; + for ( int i = 0; i < effCol; i++ ) + c += columns[i].span; + return c; + } + + int bordersPaddingAndSpacing() const { + return borderLeft() + borderRight() + + (collapseBorders() ? 0 : (paddingLeft() + paddingRight() + (numEffCols()+1) * borderHSpacing())); + } + + RenderTableCol *colElement( int col ); + + void setNeedSectionRecalc() { needSectionRecalc = true; } + + virtual RenderObject* removeChildNode(RenderObject* child); + + RenderTableSection* sectionAbove(const RenderTableSection*, bool skipEmptySections = false) const; + RenderTableSection* sectionBelow(const RenderTableSection*, bool skipEmptySections = false) const; + + RenderTableCell* cellAbove(const RenderTableCell* cell) const; + RenderTableCell* cellBelow(const RenderTableCell* cell) const; + RenderTableCell* cellLeft(const RenderTableCell* cell) const; + RenderTableCell* cellRight(const RenderTableCell* cell) const; + + CollapsedBorderValue* currentBorderStyle() { return m_currentBorder; } + + RenderTableSection *firstBodySection() const { return firstBody; } + RenderFlow* caption() const { return tCaption; } + +protected: + + void recalcSections(); + + friend class AutoTableLayout; + friend class FixedTableLayout; + + RenderFlow *tCaption; + RenderTableSection *head; + RenderTableSection *foot; + RenderTableSection *firstBody; + + TableLayout *tableLayout; + + CollapsedBorderValue* m_currentBorder; + + bool has_col_elems : 1; + uint needSectionRecalc : 1; + uint padding : 22; + + ushort hspacing; + ushort vspacing; + + friend class TableSectionIterator; +}; + +// ------------------------------------------------------------------------- + +class RenderTableSection : public RenderBox +{ +public: + RenderTableSection(DOM::NodeImpl* node); + ~RenderTableSection(); + virtual void detach(); + + virtual void setStyle(RenderStyle *style); + + virtual const char *renderName() const { return "RenderTableSection"; } + + // overrides + virtual void addChild(RenderObject *child, RenderObject *beforeChild = 0); + virtual bool isTableSection() const { return true; } + + virtual short lineHeight(bool) const { return 0; } + virtual void position(InlineBox*, int, int, bool) {} + + virtual short width() const; + + virtual FindSelectionResult checkSelectionPoint( int _x, int _y, int _tx, int _ty, + DOM::NodeImpl*& node, int & offset, + SelPointState & ); + +#ifdef ENABLE_DUMP + virtual void dump(QTextStream &stream, const QString &ind) const; +#endif + + void addCell( RenderTableCell *cell, RenderTableRow *row ); + + void setCellWidths(); + void calcRowHeight(); + int layoutRows( int height ); + + RenderTable *table() const { return static_cast<RenderTable *>(parent()); } + + typedef QMemArray<RenderTableCell *> Row; + struct RowStruct { + Row *row; + RenderTableRow* rowRenderer; + int baseLine; + Length height; + bool needFlex; + }; + + RenderTableCell *&cellAt( int row, int col ) { + return (*(grid[row].row))[col]; + } + RenderTableCell *cellAt( int row, int col ) const { + return (*(grid[row].row))[col]; + } + + virtual int lowestPosition(bool includeOverflowInterior, bool includeSelf) const; + virtual int rightmostPosition(bool includeOverflowInterior, bool includeSelf) const; + virtual int leftmostPosition(bool includeOverflowInterior, bool includeSelf) const; + virtual int highestPosition(bool includeOverflowInterior, bool includeSelf) const; + + int borderLeft() const { return table()->collapseBorders() ? 0 : RenderBox::borderLeft(); } + int borderRight() const { return table()->collapseBorders() ? 0 : RenderBox::borderRight(); } + int borderTop() const { return table()->collapseBorders() ? 0 : RenderBox::borderTop(); } + int borderBottom() const { return table()->collapseBorders() ? 0 : RenderBox::borderBottom(); } + + virtual void paint( PaintInfo& i, int tx, int ty); + + int numRows() const { return grid.size(); } + int getBaseline(int row) {return grid[row].baseLine;} + + void setNeedCellRecalc() { + needCellRecalc = true; + table()->setNeedSectionRecalc(); + } + + virtual RenderObject* removeChildNode(RenderObject* child); + + virtual bool canClear(RenderObject *child, PageBreakLevel level); + void addSpaceAt(int pos, int dy); + + virtual bool nodeAtPoint(NodeInfo& info, int x, int y, int tx, int ty, HitTestAction action, bool inside); + + // this gets a cell grid data structure. changing the number of + // columns is done by the table + QMemArray<RowStruct> grid; + QMemArray<int> rowPos; + + signed short cRow; + ushort cCol; + bool needCellRecalc; + + void recalcCells(); +protected: + void ensureRows( int numRows ); + void clearGrid(); + bool emptyRow(int rowNum); + bool flexCellChildren(RenderObject* p) const; + + + friend class TableSectionIterator; +}; + +// ------------------------------------------------------------------------- + +class RenderTableRow : public RenderContainer +{ +public: + RenderTableRow(DOM::NodeImpl* node); + + virtual void detach(); + + virtual void setStyle( RenderStyle* ); + virtual const char *renderName() const { return "RenderTableRow"; } + virtual bool isTableRow() const { return true; } + virtual void addChild(RenderObject *child, RenderObject *beforeChild = 0); + + virtual short offsetWidth() const; + virtual int offsetHeight() const; + virtual int offsetLeft() const; + virtual int offsetTop() const; + + virtual short lineHeight( bool ) const { return 0; } + virtual void position(InlineBox*, int, int, bool) {} + + virtual bool nodeAtPoint(NodeInfo& info, int x, int y, int tx, int ty, HitTestAction action, bool inside); + + virtual void layout(); + + virtual RenderObject* removeChildNode(RenderObject* child); + + // The only time rows get a layer is when they have transparency. + virtual bool requiresLayer() const { return /* style()->opacity() < 1.0f; */ false ; } + virtual void paint(PaintInfo& i, int tx, int ty); + + void paintRow( PaintInfo& i, int tx, int ty, int w, int h); + + RenderTable *table() const { return static_cast<RenderTable *>(parent()->parent()); } + RenderTableSection *section() const { return static_cast<RenderTableSection *>(parent()); } +}; + +// ------------------------------------------------------------------------- + +class RenderTableCell : public RenderBlock +{ +public: + RenderTableCell(DOM::NodeImpl* node); + + virtual void layout(); + virtual void detach(); + + virtual const char *renderName() const { return "RenderTableCell"; } + virtual bool isTableCell() const { return true; } + + // ### FIX these two... + long cellIndex() const { return 0; } + void setCellIndex( long ) { } + + unsigned short colSpan() const { return cSpan; } + void setColSpan( unsigned short c ) { cSpan = c; } + + unsigned short rowSpan() const { return rSpan; } + void setRowSpan( unsigned short r ) { rSpan = r; } + + int col() const { return _col; } + void setCol(int col) { _col = col; } + int row() const { return _row; } + void setRow(int r) { _row = r; } + + Length styleOrColWidth(); + + // overrides + virtual void calcMinMaxWidth(); + virtual void calcWidth(); + virtual void setWidth( int width ); + virtual void setStyle( RenderStyle *style ); + virtual bool requiresLayer() const; + + int borderLeft() const; + int borderRight() const; + int borderTop() const; + int borderBottom() const; + + CollapsedBorderValue collapsedLeftBorder() const; + CollapsedBorderValue collapsedRightBorder() const; + CollapsedBorderValue collapsedTopBorder() const; + CollapsedBorderValue collapsedBottomBorder() const; + virtual void collectBorders(QValueList<CollapsedBorderValue>& borderStyles); + + virtual void updateFromElement(); + + void setCellTopExtra(int p) { _topExtra = p; } + void setCellBottomExtra(int p) { _bottomExtra = p; } + int cellTopExtra() const { return _topExtra; } + int cellBottomExtra() const { return _bottomExtra; } + + int pageTopAfter(int x) const; + + virtual void paint( PaintInfo& i, int tx, int ty); + + void paintCollapsedBorder(QPainter* p, int x, int y, int w, int h); + void paintBackgroundsBehindCell(PaintInfo& i, int _tx, int _ty, RenderObject* backgroundObject); + + virtual void close(); + + // lie position to outside observers + virtual int yPos() const { return m_y + _topExtra; } + + virtual void repaintRectangle(int x, int y, int w, int h, Priority p=NormalPriority, bool f=false); + virtual bool absolutePosition(int &xPos, int &yPos, bool f = false) const; + + virtual short baselinePosition( bool = false ) const; + + virtual bool nodeAtPoint(NodeInfo& info, int _x, int _y, int _tx, int _ty, HitTestAction hitTestAction, bool inside); + + RenderTable *table() const { return static_cast<RenderTable *>(parent()->parent()->parent()); } + RenderTableSection *section() const { return static_cast<RenderTableSection *>(parent()->parent()); } + +#ifdef ENABLE_DUMP + virtual void dump(QTextStream &stream, const QString &ind) const; +#endif + + bool widthChanged() { + bool retval = m_widthChanged; + m_widthChanged = false; + return retval; + } + + int cellPercentageHeight() const + { return m_percentageHeight; } + void setCellPercentageHeight(int h) + { m_percentageHeight = h; } + bool hasFlexedAnonymous() const + { return m_hasFlexedAnonymous; } + void setHasFlexedAnonymous(bool b=true) + { m_hasFlexedAnonymous = b; } + +protected: + virtual void paintBoxDecorations(PaintInfo& p, int _tx, int _ty); + virtual int borderTopExtra() const { return _topExtra; } + virtual int borderBottomExtra() const { return _bottomExtra; } + + short _row; + short _col; + ushort rSpan; + ushort cSpan; + int _topExtra; + signed int _bottomExtra : 30; + bool m_widthChanged : 1; + bool m_hasFlexedAnonymous : 1; + int m_percentageHeight; +}; + + +// ------------------------------------------------------------------------- + +class RenderTableCol : public RenderContainer +{ +public: + RenderTableCol(DOM::NodeImpl* node); + + virtual const char *renderName() const { return "RenderTableCol"; } + + virtual bool isTableCol() const { return true; } + + virtual short lineHeight( bool ) const { return 0; } + virtual void position(InlineBox*, int, int, bool) {} + virtual void layout() {} + virtual bool requiresLayer() const { return false; } + + virtual void updateFromElement(); + +#ifdef ENABLE_DUMP + virtual void dump(QTextStream &stream, const QString& ind) const; +#endif + + int span() const { return m_span; } + void setSpan( int s ) { m_span = s; } + +private: + int m_span; +}; + +// ------------------------------------------------------------------------- + +/** This class provides an iterator to iterate through the sections of a + * render table in their visual order. + * + * In HTML, sections are specified in the order of THEAD, TFOOT, and TBODY. + * Visually, TBODY sections appear between THEAD and TFOOT, which this iterator + * takes into regard. + * @author Leo Savernik + * @internal + * @since 3.2 + */ +class TableSectionIterator { +public: + + /** + * Initializes a new iterator + * @param table table whose sections to iterate + * @param fromEnd @p true, begin with last section, @p false, begin with + * first section. + */ + TableSectionIterator(RenderTable *table, bool fromEnd = false); + + /** + * Initializes a new iterator + * @param start table section to start with. + */ + TableSectionIterator(RenderTableSection *start) : sec(start) {} + + /** + * Uninitialized iterator. + */ + TableSectionIterator() {} + + /** Returns the current section, or @p 0 if the end has been reached. + */ + RenderTableSection *operator *() const { return sec; } + + /** Moves to the next section in visual order. */ + TableSectionIterator &operator ++(); + + /** Moves to the previous section in visual order. */ + TableSectionIterator &operator --(); + +private: + RenderTableSection *sec; +}; + +} +#endif + |