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-rw-r--r--src/gui/itemviews/qtableview_p.h106
1 files changed, 66 insertions, 40 deletions
diff --git a/src/gui/itemviews/qtableview_p.h b/src/gui/itemviews/qtableview_p.h
index baaefed..cd49dce 100644
--- a/src/gui/itemviews/qtableview_p.h
+++ b/src/gui/itemviews/qtableview_p.h
@@ -1,7 +1,6 @@
/****************************************************************************
**
** 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 QtGui module of the Qt Toolkit.
@@ -21,9 +20,10 @@
** 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.
+** 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.
@@ -53,12 +53,69 @@
// We mean it.
//
+#include <QtCore/QList>
+#include <QtCore/QMap>
+#include <QtCore/QSet>
+#include <QtCore/QDebug>
#include "private/qabstractitemview_p.h"
#ifndef QT_NO_TABLEVIEW
QT_BEGIN_NAMESPACE
+/** \internal
+*
+* This is a list of span with a binary index to look up quickly a span at a certain index.
+*
+* The index is a map of map.
+* spans are mentaly divided into sub spans so that the start of any subspans doesn't overlap
+* with any other subspans. There is no real representation of the subspans.
+* The key of the first map is the row where the subspan starts, the value of the first map is
+* a list (map) of all subspans that starts at the same row. It is indexed with its row
+*/
+class QSpanCollection
+{
+public:
+ struct Span
+ {
+ int m_top;
+ int m_left;
+ int m_bottom;
+ int m_right;
+ Span()
+ : m_top(-1), m_left(-1), m_bottom(-1), m_right(-1) { }
+ Span(int row, int column, int rowCount, int columnCount)
+ : m_top(row), m_left(column), m_bottom(row+rowCount-1), m_right(column+columnCount-1) { }
+ inline int top() const { return m_top; }
+ inline int left() const { return m_left; }
+ inline int bottom() const { return m_bottom; }
+ inline int right() const { return m_right; }
+ inline int height() const { return m_bottom - m_top + 1; }
+ inline int width() const { return m_right - m_left + 1; }
+ };
+
+ ~QSpanCollection()
+ {
+ qDeleteAll(spans);
+ }
+
+ void addSpan(Span *span);
+ void updateSpan(Span *span, int old_height);
+ Span *spanAt(int x, int y) const;
+ void clear();
+ QList<Span *> spansInRect(int x, int y, int w, int h) const;
+
+ QList<Span *> spans; //lists of all spans
+private:
+ //the indexes are negative so the QMap::lowerBound do what i need.
+ typedef QMap<int, Span *> SubIndex;
+ typedef QMap<int, SubIndex> Index;
+ Index index;
+};
+
+Q_DECLARE_TYPEINFO ( QSpanCollection::Span, Q_MOVABLE_TYPE);
+
+
class QTableViewPrivate : public QAbstractItemViewPrivate
{
Q_DECLARE_PUBLIC(QTableView)
@@ -98,11 +155,7 @@ public:
int sectionSpanEndLogical(const QHeaderView *header, int logical, int span) const;
int sectionSpanSize(const QHeaderView *header, int logical, int span) const;
bool spanContainsSection(const QHeaderView *header, int logical, int spanLogical, int span) const;
- bool spansIntersectColumn(int column) const;
- bool spansIntersectRow(int row) const;
- bool spansIntersectColumns(const QList<int> &columns) const;
- bool spansIntersectRows(const QList<int> &rows) const;
- void drawAndClipSpans(const QRect &area, QPainter *painter,
+ void drawAndClipSpans(const QRegion &area, QPainter *painter,
const QStyleOptionViewItemV4 &option, QBitArray *drawn,
int firstVisualRow, int lastVisualRow, int firstVisualColumn, int lastVisualColumn);
void drawCell(QPainter *painter, const QStyleOptionViewItemV4 &option, const QModelIndex &index);
@@ -121,27 +174,10 @@ public:
bool sortingEnabled;
bool geometryRecursionBlock;
- struct Span
- {
- int m_top;
- int m_left;
- int m_bottom;
- int m_right;
- Span()
- : m_top(-1), m_left(-1), m_bottom(-1), m_right(-1) { }
- Span(int row, int column, int rowCount, int columnCount)
- : m_top(row), m_left(column), m_bottom(row+rowCount-1), m_right(column+columnCount-1) { }
- inline int top() const { return m_top; }
- inline int left() const { return m_left; }
- inline int bottom() const { return m_bottom; }
- inline int right() const { return m_right; }
- inline int height() const { return m_bottom - m_top + 1; }
- inline int width() const { return m_right - m_left + 1; }
- };
- QList<Span> spans;
+ QSpanCollection spans;
void setSpan(int row, int column, int rowSpan, int columnSpan);
- Span span(int row, int column) const;
+ QSpanCollection::Span span(int row, int column) const;
inline int rowSpan(int row, int column) const {
return span(row, column).height();
}
@@ -149,17 +185,7 @@ public:
return span(row, column).width();
}
inline bool hasSpans() const {
- return !spans.isEmpty();
- }
- inline bool spanContainsRow(int row, int spanRow, int span) const {
- return spanContainsSection(verticalHeader, row, spanRow, span);
- }
- inline bool spanContainsColumn(int column, int spanColumn, int span) const {
- return spanContainsSection(horizontalHeader, column, spanColumn, span);
- }
- inline bool isInSpan(int row, int column, const Span &span) const {
- return spanContainsRow(row, span.top(), span.height())
- && spanContainsColumn(column, span.left(), span.width());
+ return !spans.spans.isEmpty();
}
inline int rowSpanHeight(int row, int span) const {
return sectionSpanSize(verticalHeader, row, span);
@@ -194,7 +220,7 @@ public:
return isColumnHidden(c) || !isCellEnabled(r, c);
}
- QRect visualSpanRect(const Span &span) const;
+ QRect visualSpanRect(const QSpanCollection::Span &span) const;
void _q_selectRow(int row);
void _q_selectColumn(int column);
generated by cgit v0.12 at 2024-11-11 07:28:36 (GMT)