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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** +** Definition of QTable widget class +** +** Created : 000607 +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the table module of the Qt GUI Toolkit. +** +** This file may be used under the terms of the GNU General Public +** License versions 2.0 or 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Alternatively you may (at your option) use any +** later version of the GNU General Public License if such license has +** been publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free Qt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing requirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.QPL +** included in the packaging of this file. Licensees holding valid Qt +** Commercial licenses may use this file in accordance with the Qt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef QTABLE_H +#define QTABLE_H + +#ifndef QT_H +#include "qscrollview.h" +#include "qpixmap.h" +#include "qptrvector.h" +#include "qheader.h" +#include "qmemarray.h" +#include "qptrlist.h" +#include "qguardedptr.h" +#include "qshared.h" +#include "qintdict.h" +#include "qstringlist.h" +#endif // QT_H + + +#ifndef QT_NO_TABLE + +#if !defined( QT_MODULE_TABLE ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_TABLE ) +#define QM_EXPORT_TABLE +#ifndef QM_TEMPLATE_EXTERN_TABLE +# define QM_TEMPLATE_EXTERN_TABLE +#endif +#else +#define QM_EXPORT_TABLE Q_EXPORT +#define QM_TEMPLATE_EXTERN_TABLE Q_TEMPLATE_EXTERN +#endif + +class QTableHeader; +class QValidator; +class QTable; +class QPaintEvent; +class QTimer; +class QResizeEvent; +class QComboBox; +class QCheckBox; +class QDragObject; + +struct QTablePrivate; +struct QTableHeaderPrivate; + + +class QM_EXPORT_TABLE QTableSelection +{ +public: + QTableSelection(); + QTableSelection( int start_row, int start_col, int end_row, int end_col ); + void init( int row, int col ); + void expandTo( int row, int col ); + bool operator==( const QTableSelection &s ) const; + bool operator!=( const QTableSelection &s ) const { return !(operator==(s)); } + + int topRow() const { return tRow; } + int bottomRow() const { return bRow; } + int leftCol() const { return lCol; } + int rightCol() const { return rCol; } + int anchorRow() const { return aRow; } + int anchorCol() const { return aCol; } + int numRows() const; + int numCols() const; + + bool isActive() const { return active; } + bool isEmpty() const { return numRows() == 0; } + +private: + uint active : 1; + uint inited : 1; + int tRow, lCol, bRow, rCol; + int aRow, aCol; +}; + +#define Q_DEFINED_QTABLE_SELECTION +#include "qwinexport.h" + +class QM_EXPORT_TABLE QTableItem : public Qt +{ + friend class QTable; + +public: + enum EditType { Never, OnTyping, WhenCurrent, Always }; + + QTableItem( QTable *table, EditType et ); + QTableItem( QTable *table, EditType et, const QString &text ); + QTableItem( QTable *table, EditType et, const QString &text, + const QPixmap &p ); + virtual ~QTableItem(); + + virtual QPixmap pixmap() const; + virtual QString text() const; + virtual void setPixmap( const QPixmap &p ); + virtual void setText( const QString &t ); + QTable *table() const { return t; } + + virtual int alignment() const; + virtual void setWordWrap( bool b ); + bool wordWrap() const; + + EditType editType() const; + virtual QWidget *createEditor() const; + virtual void setContentFromEditor( QWidget *w ); + virtual void setReplaceable( bool ); + bool isReplaceable() const; + + virtual QString key() const; + virtual QSize sizeHint() const; + + virtual void setSpan( int rs, int cs ); + int rowSpan() const; + int colSpan() const; + + virtual void setRow( int r ); + virtual void setCol( int c ); + int row() const; + int col() const; + + virtual void paint( QPainter *p, const QColorGroup &cg, + const QRect &cr, bool selected ); + + void updateEditor( int oldRow, int oldCol ); + + virtual void setEnabled( bool b ); + bool isEnabled() const; + + virtual int rtti() const; + static int RTTI; + +private: + QString txt; + QPixmap pix; + QTable *t; + EditType edType; + uint wordwrap : 1; + uint tcha : 1; + uint enabled : 1; + int rw, cl; + int rowspan, colspan; +#if (QT_VERSION >= 0x040000) +#error "Add a setAlignment() function in 4.0 (but no d pointer)" +#endif +}; + +#define Q_DEFINED_QTABLE_ITEM +#include "qwinexport.h" + +class QM_EXPORT_TABLE QComboTableItem : public QTableItem +{ +public: + QComboTableItem( QTable *table, const QStringList &list, bool editable = FALSE ); + ~QComboTableItem(); + virtual QWidget *createEditor() const; + virtual void setContentFromEditor( QWidget *w ); + virtual void paint( QPainter *p, const QColorGroup &cg, + const QRect &cr, bool selected ); + virtual void setCurrentItem( int i ); + virtual void setCurrentItem( const QString &i ); + int currentItem() const; + QString currentText() const; + int count() const; +#if !defined(Q_NO_USING_KEYWORD) + using QTableItem::text; +#endif + QString text( int i ) const; + virtual void setEditable( bool b ); + bool isEditable() const; + virtual void setStringList( const QStringList &l ); + + int rtti() const; + static int RTTI; + + QSize sizeHint() const; + +private: + QComboBox *cb; + QStringList entries; + int current; + bool edit; + static QComboBox *fakeCombo; + static QWidget *fakeComboWidget; + static int fakeRef; + +}; + +class QM_EXPORT_TABLE QCheckTableItem : public QTableItem +{ +public: + QCheckTableItem( QTable *table, const QString &txt ); + void setText( const QString &t ); + virtual QWidget *createEditor() const; + virtual void setContentFromEditor( QWidget *w ); + virtual void paint( QPainter *p, const QColorGroup &cg, + const QRect &cr, bool selected ); + virtual void setChecked( bool b ); + bool isChecked() const; + + int rtti() const; + static int RTTI; + + QSize sizeHint() const; + +private: + QCheckBox *cb; + bool checked; + +}; + +class QM_EXPORT_TABLE QTable : public QScrollView +{ + Q_OBJECT + Q_ENUMS( SelectionMode FocusStyle ) + Q_PROPERTY( int numRows READ numRows WRITE setNumRows ) + Q_PROPERTY( int numCols READ numCols WRITE setNumCols ) + Q_PROPERTY( bool showGrid READ showGrid WRITE setShowGrid ) + Q_PROPERTY( bool rowMovingEnabled READ rowMovingEnabled WRITE setRowMovingEnabled ) + Q_PROPERTY( bool columnMovingEnabled READ columnMovingEnabled WRITE setColumnMovingEnabled ) + Q_PROPERTY( bool readOnly READ isReadOnly WRITE setReadOnly ) + Q_PROPERTY( bool sorting READ sorting WRITE setSorting ) + Q_PROPERTY( SelectionMode selectionMode READ selectionMode WRITE setSelectionMode ) + Q_PROPERTY( FocusStyle focusStyle READ focusStyle WRITE setFocusStyle ) + Q_PROPERTY( int numSelections READ numSelections ) + + friend class QTableHeader; + friend class QComboTableItem; + friend class QCheckTableItem; + friend class QTableItem; + +public: + QTable( QWidget* parent=0, const char* name=0 ); + QTable( int numRows, int numCols, + QWidget* parent=0, const char* name=0 ); + ~QTable(); + + QHeader *horizontalHeader() const; + QHeader *verticalHeader() const; + + enum SelectionMode { Single, Multi, SingleRow, MultiRow, NoSelection }; + virtual void setSelectionMode( SelectionMode mode ); + SelectionMode selectionMode() const; + + virtual void setItem( int row, int col, QTableItem *item ); + virtual void setText( int row, int col, const QString &text ); + virtual void setPixmap( int row, int col, const QPixmap &pix ); + virtual QTableItem *item( int row, int col ) const; + virtual QString text( int row, int col ) const; + virtual QPixmap pixmap( int row, int col ) const; + virtual void clearCell( int row, int col ); + + virtual QRect cellGeometry( int row, int col ) const; + virtual int columnWidth( int col ) const; + virtual int rowHeight( int row ) const; + virtual int columnPos( int col ) const; + virtual int rowPos( int row ) const; + virtual int columnAt( int x ) const; + virtual int rowAt( int y ) const; + + virtual int numRows() const; + virtual int numCols() const; + + void updateCell( int row, int col ); + + bool eventFilter( QObject * o, QEvent * ); + + int currentRow() const { return curRow; } + int currentColumn() const { return curCol; } + void ensureCellVisible( int row, int col ); + + bool isSelected( int row, int col ) const; + bool isRowSelected( int row, bool full = FALSE ) const; + bool isColumnSelected( int col, bool full = FALSE ) const; + int numSelections() const; + QTableSelection selection( int num ) const; + virtual int addSelection( const QTableSelection &s ); + virtual void removeSelection( const QTableSelection &s ); + virtual void removeSelection( int num ); + virtual int currentSelection() const; + + void selectCells( int start_row, int start_col, int end_row, int end_col ); + void selectRow( int row ); + void selectColumn( int col ); + + bool showGrid() const; + + bool columnMovingEnabled() const; + bool rowMovingEnabled() const; + + virtual void sortColumn( int col, bool ascending = TRUE, + bool wholeRows = FALSE ); + bool sorting() const; + + virtual void takeItem( QTableItem *i ); + + virtual void setCellWidget( int row, int col, QWidget *e ); + virtual QWidget *cellWidget( int row, int col ) const; + virtual void clearCellWidget( int row, int col ); + + virtual QRect cellRect( int row, int col ) const; + + virtual void paintCell( QPainter *p, int row, int col, + const QRect &cr, bool selected ); + virtual void paintCell( QPainter *p, int row, int col, + const QRect &cr, bool selected, const QColorGroup &cg ); + virtual void paintFocus( QPainter *p, const QRect &r ); + QSize sizeHint() const; + + bool isReadOnly() const; + bool isRowReadOnly( int row ) const; + bool isColumnReadOnly( int col ) const; + + void setEnabled( bool b ); + + void repaintSelections(); + + enum FocusStyle { FollowStyle, SpreadSheet }; + virtual void setFocusStyle( FocusStyle fs ); + FocusStyle focusStyle() const; + + void updateHeaderStates(); + +public slots: + virtual void setNumRows( int r ); + virtual void setNumCols( int r ); + virtual void setShowGrid( bool b ); + virtual void hideRow( int row ); + virtual void hideColumn( int col ); + virtual void showRow( int row ); + virtual void showColumn( int col ); + bool isRowHidden( int row ) const; + bool isColumnHidden( int col ) const; + + virtual void setColumnWidth( int col, int w ); + virtual void setRowHeight( int row, int h ); + + virtual void adjustColumn( int col ); + virtual void adjustRow( int row ); + + virtual void setColumnStretchable( int col, bool stretch ); + virtual void setRowStretchable( int row, bool stretch ); + bool isColumnStretchable( int col ) const; + bool isRowStretchable( int row ) const; + virtual void setSorting( bool b ); + virtual void swapRows( int row1, int row2, bool swapHeader = FALSE ); + virtual void swapColumns( int col1, int col2, bool swapHeader = FALSE ); + virtual void swapCells( int row1, int col1, int row2, int col2 ); + + virtual void setLeftMargin( int m ); + virtual void setTopMargin( int m ); + virtual void setCurrentCell( int row, int col ); + void clearSelection( bool repaint = TRUE ); + virtual void setColumnMovingEnabled( bool b ); + virtual void setRowMovingEnabled( bool b ); + + virtual void setReadOnly( bool b ); + virtual void setRowReadOnly( int row, bool ro ); + virtual void setColumnReadOnly( int col, bool ro ); + + virtual void setDragEnabled( bool b ); + bool dragEnabled() const; + + virtual void insertRows( int row, int count = 1 ); + virtual void insertColumns( int col, int count = 1 ); + virtual void removeRow( int row ); + virtual void removeRows( const QMemArray<int> &rows ); + virtual void removeColumn( int col ); + virtual void removeColumns( const QMemArray<int> &cols ); + + virtual void editCell( int row, int col, bool replace = FALSE ); + + void setRowLabels( const QStringList &labels ); + void setColumnLabels( const QStringList &labels ); + +protected: + enum EditMode { NotEditing, Editing, Replacing }; + void drawContents( QPainter *p, int cx, int cy, int cw, int ch ); + void contentsMousePressEvent( QMouseEvent* ); + void contentsMouseMoveEvent( QMouseEvent* ); + void contentsMouseDoubleClickEvent( QMouseEvent* ); + void contentsMouseReleaseEvent( QMouseEvent* ); + void contentsContextMenuEvent( QContextMenuEvent * e ); + void keyPressEvent( QKeyEvent* ); + void focusInEvent( QFocusEvent* ); + void focusOutEvent( QFocusEvent* ); + void viewportResizeEvent( QResizeEvent * ); + void showEvent( QShowEvent *e ); + void paintEvent( QPaintEvent *e ); + void setEditMode( EditMode mode, int row, int col ); +#ifndef QT_NO_DRAGANDDROP + virtual void contentsDragEnterEvent( QDragEnterEvent *e ); + virtual void contentsDragMoveEvent( QDragMoveEvent *e ); + virtual void contentsDragLeaveEvent( QDragLeaveEvent *e ); + virtual void contentsDropEvent( QDropEvent *e ); + virtual QDragObject *dragObject(); + virtual void startDrag(); +#endif + + virtual void paintEmptyArea( QPainter *p, int cx, int cy, int cw, int ch ); + virtual void activateNextCell(); + virtual QWidget *createEditor( int row, int col, bool initFromCell ) const; + virtual void setCellContentFromEditor( int row, int col ); + virtual QWidget *beginEdit( int row, int col, bool replace ); + virtual void endEdit( int row, int col, bool accept, bool replace ); + + virtual void resizeData( int len ); + virtual void insertWidget( int row, int col, QWidget *w ); + int indexOf( int row, int col ) const; + + void windowActivationChange( bool ); + bool isEditing() const; + EditMode editMode() const; + int currEditRow() const; + int currEditCol() const; + +protected slots: + virtual void columnWidthChanged( int col ); + virtual void rowHeightChanged( int row ); + virtual void columnIndexChanged( int section, int fromIndex, int toIndex ); + virtual void rowIndexChanged( int section, int fromIndex, int toIndex ); + virtual void columnClicked( int col ); + +signals: + void currentChanged( int row, int col ); + void clicked( int row, int col, int button, const QPoint &mousePos ); + void doubleClicked( int row, int col, int button, const QPoint &mousePos ); + void pressed( int row, int col, int button, const QPoint &mousePos ); + void selectionChanged(); + void valueChanged( int row, int col ); + void contextMenuRequested( int row, int col, const QPoint &pos ); +#ifndef QT_NO_DRAGANDDROP + void dropped( QDropEvent *e ); +#endif + +private slots: + void doAutoScroll(); + void doValueChanged(); + void updateGeometriesSlot(); + +private: + void contentsMousePressEventEx( QMouseEvent* ); + void drawContents( QPainter* ); + void updateGeometries(); + void repaintSelections( QTableSelection *oldSelection, + QTableSelection *newSelection, + bool updateVertical = TRUE, + bool updateHorizontal = TRUE ); + QRect rangeGeometry( int topRow, int leftCol, + int bottomRow, int rightCol, bool &optimize ); + void fixRow( int &row, int y ); + void fixCol( int &col, int x ); + + void init( int numRows, int numCols ); + QSize tableSize() const; + void repaintCell( int row, int col ); + void contentsToViewport2( int x, int y, int& vx, int& vy ); + QPoint contentsToViewport2( const QPoint &p ); + void viewportToContents2( int vx, int vy, int& x, int& y ); + QPoint viewportToContents2( const QPoint &p ); + + void updateRowWidgets( int row ); + void updateColWidgets( int col ); + bool isSelected( int row, int col, bool includeCurrent ) const; + void setCurrentCell( int row, int col, bool updateSelections, bool ensureVisible = FALSE ); + void fixCell( int &row, int &col, int key ); + void delayedUpdateGeometries(); + struct TableWidget + { + TableWidget( QWidget *w, int r, int c ) : wid( w ), row( r ), col ( c ) {} + QWidget *wid; + int row, col; + }; + void saveContents( QPtrVector<QTableItem> &tmp, + QPtrVector<TableWidget> &tmp2 ); + void updateHeaderAndResizeContents( QTableHeader *header, + int num, int colRow, + int width, bool &updateBefore ); + void restoreContents( QPtrVector<QTableItem> &tmp, + QPtrVector<TableWidget> &tmp2 ); + void finishContentsResze( bool updateBefore ); + +private: + QPtrVector<QTableItem> contents; + QPtrVector<QWidget> widgets; + int curRow; + int curCol; + QTableHeader *leftHeader, *topHeader; + EditMode edMode; + int editCol, editRow; + QPtrList<QTableSelection> selections; + QTableSelection *currentSel; + QTimer *autoScrollTimer; + int lastSortCol; + bool sGrid : 1; + bool mRows : 1; + bool mCols : 1; + bool asc : 1; + bool doSort : 1; + bool unused : 1; + bool readOnly : 1; + bool shouldClearSelection : 1; + bool dEnabled : 1; + bool context_menu : 1; + bool drawActiveSelection : 1; + bool was_visible : 1; + SelectionMode selMode; + int pressedRow, pressedCol; + QTablePrivate *d; + QIntDict<int> roRows; + QIntDict<int> roCols; + int startDragRow; + int startDragCol; + QPoint dragStartPos; + int oldCurrentRow, oldCurrentCol; + QWidget *unused_topLeftCorner; //### remove in 4.0 + FocusStyle focusStl; + QSize unused_cachedSizeHint; // ### remove in 4.0 + +#if defined(Q_DISABLE_COPY) + QTable( const QTable & ); + QTable &operator=( const QTable & ); +#endif +}; + +#define Q_DEFINED_QTABLE +#include "qwinexport.h" +#endif // QT_NO_TABLE +#endif // TABLE_H +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |