src/qt3support/itemviews/q3table.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/qt3support/itemviews/q3table.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,548 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt3Support module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef Q3TABLE_H
+#define Q3TABLE_H
+
+#include <Qt3Support/q3scrollview.h>
+#include <QtGui/qpixmap.h>
+#include <Qt3Support/q3ptrvector.h>
+#include <Qt3Support/q3header.h>
+#include <Qt3Support/q3memarray.h>
+#include <Qt3Support/q3ptrlist.h>
+#include <Qt3Support/q3shared.h>
+#include <Qt3Support/q3intdict.h>
+#include <QtCore/qstringlist.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Qt3Support)
+
+class Q3TableHeader;
+class QValidator;
+class Q3Table;
+class QPaintEvent;
+class QTimer;
+class QResizeEvent;
+class Q3ComboBox;
+class QCheckBox;
+class Q3DragObject;
+class QColorGroup;
+
+struct Q3TablePrivate;
+struct Q3TableHeaderPrivate;
+
+
+class Q_COMPAT_EXPORT Q3TableSelection
+{
+public:
+    Q3TableSelection();
+    Q3TableSelection(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 Q3TableSelection &s) const;
+    bool operator!=(const Q3TableSelection &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;
+};
+
+class Q_COMPAT_EXPORT Q3TableItem
+{
+    friend class Q3Table;
+
+public:
+    enum EditType { Never, OnTyping, WhenCurrent, Always };
+
+    Q3TableItem(Q3Table *table, EditType et);
+    Q3TableItem(Q3Table *table, EditType et, const QString &text);
+    Q3TableItem(Q3Table *table, EditType et, const QString &text,
+                const QPixmap &p);
+    virtual ~Q3TableItem();
+
+    virtual QPixmap pixmap() const;
+    virtual QString text() const;
+    virtual void setPixmap(const QPixmap &p);
+    virtual void setText(const QString &t);
+    Q3Table *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;
+    Q3Table *t;
+    EditType edType;
+    uint wordwrap : 1;
+    uint tcha : 1;
+    uint enabled : 1;
+    int rw, cl;
+    int rowspan, colspan;
+};
+
+class Q_COMPAT_EXPORT Q3ComboTableItem : public Q3TableItem
+{
+public:
+    Q3ComboTableItem(Q3Table *table, const QStringList &list, bool editable = false);
+    ~Q3ComboTableItem();
+    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 Q3TableItem::text;
+#else
+    inline QString text() const { return Q3TableItem::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:
+    Q3ComboBox *cb;
+    QStringList entries;
+    int current;
+    bool edit;
+    static Q3ComboBox *fakeCombo;
+    static QWidget *fakeComboWidget;
+    static int fakeRef;
+
+};
+
+class Q_COMPAT_EXPORT Q3CheckTableItem : public Q3TableItem
+{
+public:
+    Q3CheckTableItem(Q3Table *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 Q_COMPAT_EXPORT Q3Table : public Q3ScrollView
+{
+    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 Q3TableHeader;
+    friend class Q3ComboTableItem;
+    friend class Q3CheckTableItem;
+    friend class Q3TableItem;
+
+public:
+    Q3Table(QWidget* parent=0, const char* name=0);
+    Q3Table(int numRows, int numCols,
+            QWidget* parent=0, const char* name=0);
+    ~Q3Table();
+
+    Q3Header *horizontalHeader() const;
+    Q3Header *verticalHeader() const;
+
+    enum SelectionMode { Single, Multi, SingleRow, MultiRow, NoSelection };
+    virtual void setSelectionMode(SelectionMode mode);
+    SelectionMode selectionMode() const;
+
+    virtual void setItem(int row, int col, Q3TableItem *item);
+    virtual void setText(int row, int col, const QString &text);
+    virtual void setPixmap(int row, int col, const QPixmap &pix);
+    virtual Q3TableItem *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;
+    Q3TableSelection selection(int num) const;
+    virtual int addSelection(const Q3TableSelection &s);
+    virtual void removeSelection(const Q3TableSelection &s);
+    virtual void removeSelection(int num);
+    virtual int currentSelection() const;
+
+    void selectCells(int start_row, int start_col, int end_row, int end_col);
+    virtual void selectRow(int row);
+    virtual void selectColumn(int col);
+
+    bool showGrid() const;
+
+    QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
+
+    bool columnMovingEnabled() const;
+    bool rowMovingEnabled() const;
+
+    virtual void sortColumn(int col, bool ascending = true,
+                             bool wholeRows = false);
+    bool sorting() const;
+
+    virtual void takeItem(Q3TableItem *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();
+
+    bool isRowHidden(int row) const;
+    bool isColumnHidden(int col) const;
+    bool isColumnStretchable(int col) const;
+    bool isRowStretchable(int row) const;
+    bool dragEnabled() const;
+
+public Q_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);
+
+    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);
+    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);
+
+    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 Q3MemArray<int> &rows);
+    virtual void removeColumn(int col);
+    virtual void removeColumns(const Q3MemArray<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 Q3DragObject *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 Q_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);
+
+Q_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 Q_SLOTS:
+    void doAutoScroll();
+    void doValueChanged();
+    void updateGeometriesSlot();
+
+private:
+    void contentsMousePressEventEx(QMouseEvent*);
+    void drawContents(QPainter*);
+    void updateGeometries();
+    void repaintSelections(Q3TableSelection *oldSelection,
+                            Q3TableSelection *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(Q3PtrVector<Q3TableItem> &tmp,
+		       Q3PtrVector<TableWidget> &tmp2);
+    void updateHeaderAndResizeContents(Q3TableHeader *header,
+					int num, int colRow,
+					int width, bool &updateBefore);
+    void restoreContents(Q3PtrVector<Q3TableItem> &tmp,
+			  Q3PtrVector<TableWidget> &tmp2);
+    void finishContentsResze(bool updateBefore);
+
+private:
+    Q3PtrVector<Q3TableItem> contents;
+    Q3PtrVector<QWidget> widgets;
+    int curRow;
+    int curCol;
+    Q3TableHeader *leftHeader, *topHeader;
+    EditMode edMode;
+    int editCol, editRow;
+    Q3PtrList<Q3TableSelection> selections;
+    Q3TableSelection *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;
+    Q3TablePrivate *d;
+    Q3IntDict<int> roRows;
+    Q3IntDict<int> roCols;
+    int startDragRow;
+    int startDragCol;
+    QPoint dragStartPos;
+    int oldCurrentRow, oldCurrentCol;
+    FocusStyle focusStl;
+
+    Q_DISABLE_COPY(Q3Table)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // Q3TABLE_H