source: trunk/src/gui/itemviews/qheaderview.h@ 508

Last change on this file since 508 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 8.9 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtGui module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QHEADERVIEW_H
43#define QHEADERVIEW_H
44
45#include <QtGui/qabstractitemview.h>
46
47QT_BEGIN_HEADER
48
49QT_BEGIN_NAMESPACE
50
51QT_MODULE(Gui)
52
53#ifndef QT_NO_ITEMVIEWS
54
55class QHeaderViewPrivate;
56class QStyleOptionHeader;
57
58class Q_GUI_EXPORT QHeaderView : public QAbstractItemView
59{
60 Q_OBJECT
61 Q_PROPERTY(bool showSortIndicator READ isSortIndicatorShown WRITE setSortIndicatorShown)
62 Q_PROPERTY(bool highlightSections READ highlightSections WRITE setHighlightSections)
63 Q_PROPERTY(bool stretchLastSection READ stretchLastSection WRITE setStretchLastSection)
64 Q_PROPERTY(bool cascadingSectionResizes READ cascadingSectionResizes WRITE setCascadingSectionResizes)
65 Q_PROPERTY(int defaultSectionSize READ defaultSectionSize WRITE setDefaultSectionSize)
66 Q_PROPERTY(int minimumSectionSize READ minimumSectionSize WRITE setMinimumSectionSize)
67 Q_PROPERTY(Qt::Alignment defaultAlignment READ defaultAlignment WRITE setDefaultAlignment)
68 Q_ENUMS(ResizeMode)
69
70public:
71
72 enum ResizeMode
73 {
74 Interactive,
75 Stretch,
76 Fixed,
77 ResizeToContents,
78 Custom = Fixed
79 };
80
81 explicit QHeaderView(Qt::Orientation orientation, QWidget *parent = 0);
82 virtual ~QHeaderView();
83
84 void setModel(QAbstractItemModel *model);
85
86 Qt::Orientation orientation() const;
87 int offset() const;
88 int length() const;
89 QSize sizeHint() const;
90 int sectionSizeHint(int logicalIndex) const;
91
92 int visualIndexAt(int position) const;
93 int logicalIndexAt(int position) const;
94
95 inline int logicalIndexAt(int x, int y) const;
96 inline int logicalIndexAt(const QPoint &pos) const;
97
98 int sectionSize(int logicalIndex) const;
99 int sectionPosition(int logicalIndex) const;
100 int sectionViewportPosition(int logicalIndex) const;
101
102 void moveSection(int from, int to);
103 void swapSections(int first, int second);
104 void resizeSection(int logicalIndex, int size);
105 void resizeSections(QHeaderView::ResizeMode mode);
106
107 bool isSectionHidden(int logicalIndex) const;
108 void setSectionHidden(int logicalIndex, bool hide);
109 int hiddenSectionCount() const;
110
111 inline void hideSection(int logicalIndex);
112 inline void showSection(int logicalIndex);
113
114 int count() const;
115 int visualIndex(int logicalIndex) const;
116 int logicalIndex(int visualIndex) const;
117
118 void setMovable(bool movable);
119 bool isMovable() const;
120
121 void setClickable(bool clickable);
122 bool isClickable() const;
123
124 void setHighlightSections(bool highlight);
125 bool highlightSections() const;
126
127 void setResizeMode(ResizeMode mode);
128 void setResizeMode(int logicalIndex, ResizeMode mode);
129 ResizeMode resizeMode(int logicalIndex) const;
130 int stretchSectionCount() const;
131
132 void setSortIndicatorShown(bool show);
133 bool isSortIndicatorShown() const;
134
135 void setSortIndicator(int logicalIndex, Qt::SortOrder order);
136 int sortIndicatorSection() const;
137 Qt::SortOrder sortIndicatorOrder() const;
138
139 bool stretchLastSection() const;
140 void setStretchLastSection(bool stretch);
141
142 bool cascadingSectionResizes() const;
143 void setCascadingSectionResizes(bool enable);
144
145 int defaultSectionSize() const;
146 void setDefaultSectionSize(int size);
147
148 int minimumSectionSize() const;
149 void setMinimumSectionSize(int size);
150
151 Qt::Alignment defaultAlignment() const;
152 void setDefaultAlignment(Qt::Alignment alignment);
153
154 void doItemsLayout();
155 bool sectionsMoved() const;
156 bool sectionsHidden() const;
157
158#ifndef QT_NO_DATASTREAM
159 QByteArray saveState() const;
160 bool restoreState(const QByteArray &state);
161#endif
162
163 void reset();
164
165public Q_SLOTS:
166 void setOffset(int offset);
167 void setOffsetToSectionPosition(int visualIndex);
168 void setOffsetToLastSection();
169 void headerDataChanged(Qt::Orientation orientation, int logicalFirst, int logicalLast);
170
171Q_SIGNALS:
172 void sectionMoved(int logicalIndex, int oldVisualIndex, int newVisualIndex);
173 void sectionResized(int logicalIndex, int oldSize, int newSize);
174 void sectionPressed(int logicalIndex);
175 void sectionClicked(int logicalIndex);
176 void sectionEntered(int logicalIndex);
177 void sectionDoubleClicked(int logicalIndex);
178 void sectionCountChanged(int oldCount, int newCount);
179 void sectionHandleDoubleClicked(int logicalIndex);
180 void sectionAutoResize(int logicalIndex, QHeaderView::ResizeMode mode);
181 void geometriesChanged();
182 void sortIndicatorChanged(int logicalIndex, Qt::SortOrder order);
183
184protected Q_SLOTS:
185 void updateSection(int logicalIndex);
186 void resizeSections();
187 void sectionsInserted(const QModelIndex &parent, int logicalFirst, int logicalLast);
188 void sectionsAboutToBeRemoved(const QModelIndex &parent, int logicalFirst, int logicalLast);
189
190protected:
191 QHeaderView(QHeaderViewPrivate &dd, Qt::Orientation orientation, QWidget *parent = 0);
192 void initialize();
193
194 void initializeSections();
195 void initializeSections(int start, int end);
196 void currentChanged(const QModelIndex &current, const QModelIndex &old);
197
198 bool event(QEvent *e);
199 void paintEvent(QPaintEvent *e);
200 void mousePressEvent(QMouseEvent *e);
201 void mouseMoveEvent(QMouseEvent *e);
202 void mouseReleaseEvent(QMouseEvent *e);
203 void mouseDoubleClickEvent(QMouseEvent *e);
204 bool viewportEvent(QEvent *e);
205
206 virtual void paintSection(QPainter *painter, const QRect &rect, int logicalIndex) const;
207 virtual QSize sectionSizeFromContents(int logicalIndex) const;
208
209 int horizontalOffset() const;
210 int verticalOffset() const;
211 void updateGeometries();
212 void scrollContentsBy(int dx, int dy);
213
214 void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
215 void rowsInserted(const QModelIndex &parent, int start, int end);
216
217 QRect visualRect(const QModelIndex &index) const;
218 void scrollTo(const QModelIndex &index, ScrollHint hint);
219
220 QModelIndex indexAt(const QPoint &p) const;
221 bool isIndexHidden(const QModelIndex &index) const;
222
223 QModelIndex moveCursor(CursorAction, Qt::KeyboardModifiers);
224 void setSelection(const QRect&, QItemSelectionModel::SelectionFlags);
225 QRegion visualRegionForSelection(const QItemSelection &selection) const;
226 void initStyleOption(QStyleOptionHeader *option) const;
227
228private:
229 Q_PRIVATE_SLOT(d_func(), void _q_sectionsRemoved(const QModelIndex &parent, int logicalFirst, int logicalLast))
230 Q_PRIVATE_SLOT(d_func(), void _q_layoutAboutToBeChanged())
231 Q_PRIVATE_SLOT(d_func(), void _q_layoutChanged())
232 Q_DECLARE_PRIVATE(QHeaderView)
233 Q_DISABLE_COPY(QHeaderView)
234};
235
236inline int QHeaderView::logicalIndexAt(int ax, int ay) const
237{ return orientation() == Qt::Horizontal ? logicalIndexAt(ax) : logicalIndexAt(ay); }
238inline int QHeaderView::logicalIndexAt(const QPoint &apos) const
239{ return logicalIndexAt(apos.x(), apos.y()); }
240inline void QHeaderView::hideSection(int alogicalIndex)
241{ setSectionHidden(alogicalIndex, true); }
242inline void QHeaderView::showSection(int alogicalIndex)
243{ setSectionHidden(alogicalIndex, false); }
244
245#endif // QT_NO_ITEMVIEWS
246
247QT_END_NAMESPACE
248
249QT_END_HEADER
250
251#endif // QHEADERVIEW_H
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