summaryrefslogtreecommitdiffstats
path: root/src/gui/itemviews/qtreeview.h
blob: 26c73153e9310990f19e26e65605e02815e77efc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
/****************************************************************************
**
** Copyright (C) 2011 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QTREEVIEW_H
#define QTREEVIEW_H

#include <QtGui/qabstractitemview.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_TREEVIEW

class QTreeViewPrivate;
class QHeaderView;

class Q_GUI_EXPORT QTreeView : public QAbstractItemView
{
    Q_OBJECT
    Q_PROPERTY(int autoExpandDelay READ autoExpandDelay WRITE setAutoExpandDelay)
    Q_PROPERTY(int indentation READ indentation WRITE setIndentation)
    Q_PROPERTY(bool rootIsDecorated READ rootIsDecorated WRITE setRootIsDecorated)
    Q_PROPERTY(bool uniformRowHeights READ uniformRowHeights WRITE setUniformRowHeights)
    Q_PROPERTY(bool itemsExpandable READ itemsExpandable WRITE setItemsExpandable)
    Q_PROPERTY(bool sortingEnabled READ isSortingEnabled WRITE setSortingEnabled)
    Q_PROPERTY(bool animated READ isAnimated WRITE setAnimated)
    Q_PROPERTY(bool allColumnsShowFocus READ allColumnsShowFocus WRITE setAllColumnsShowFocus)
    Q_PROPERTY(bool wordWrap READ wordWrap WRITE setWordWrap)
    Q_PROPERTY(bool headerHidden READ isHeaderHidden WRITE setHeaderHidden)
    Q_PROPERTY(bool expandsOnDoubleClick READ expandsOnDoubleClick WRITE setExpandsOnDoubleClick)

public:
    explicit QTreeView(QWidget *parent = 0);
    ~QTreeView();

    void setModel(QAbstractItemModel *model);
    void setRootIndex(const QModelIndex &index);
    void setSelectionModel(QItemSelectionModel *selectionModel);

    QHeaderView *header() const;
    void setHeader(QHeaderView *header);

    int autoExpandDelay() const;
    void setAutoExpandDelay(int delay);

    int indentation() const;
    void setIndentation(int i);

    bool rootIsDecorated() const;
    void setRootIsDecorated(bool show);

    bool uniformRowHeights() const;
    void setUniformRowHeights(bool uniform);

    bool itemsExpandable() const;
    void setItemsExpandable(bool enable);

    bool expandsOnDoubleClick() const;
    void setExpandsOnDoubleClick(bool enable);

    int columnViewportPosition(int column) const;
    int columnWidth(int column) const;
    void setColumnWidth(int column, int width);
    int columnAt(int x) const;

    bool isColumnHidden(int column) const;
    void setColumnHidden(int column, bool hide);

    bool isHeaderHidden() const;
    void setHeaderHidden(bool hide);

    bool isRowHidden(int row, const QModelIndex &parent) const;
    void setRowHidden(int row, const QModelIndex &parent, bool hide);

    bool isFirstColumnSpanned(int row, const QModelIndex &parent) const;
    void setFirstColumnSpanned(int row, const QModelIndex &parent, bool span);

    bool isExpanded(const QModelIndex &index) const;
    void setExpanded(const QModelIndex &index, bool expand);

    void setSortingEnabled(bool enable);
    bool isSortingEnabled() const;

    void setAnimated(bool enable);
    bool isAnimated() const;

    void setAllColumnsShowFocus(bool enable);
    bool allColumnsShowFocus() const;

    void setWordWrap(bool on);
    bool wordWrap() const;

    void keyboardSearch(const QString &search);

    QRect visualRect(const QModelIndex &index) const;
    void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible);
    QModelIndex indexAt(const QPoint &p) const;
    QModelIndex indexAbove(const QModelIndex &index) const;
    QModelIndex indexBelow(const QModelIndex &index) const;

    void doItemsLayout();
    void reset();

    void sortByColumn(int column, Qt::SortOrder order);

    void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
    void selectAll();

Q_SIGNALS:
    void expanded(const QModelIndex &index);
    void collapsed(const QModelIndex &index);

public Q_SLOTS:
    void hideColumn(int column);
    void showColumn(int column);
    void expand(const QModelIndex &index);
    void collapse(const QModelIndex &index);
    void resizeColumnToContents(int column);
    void sortByColumn(int column);
    void expandAll();
    void collapseAll();
    void expandToDepth(int depth);

protected Q_SLOTS:
    void columnResized(int column, int oldSize, int newSize);
    void columnCountChanged(int oldCount, int newCount);
    void columnMoved();
    void reexpand();
    void rowsRemoved(const QModelIndex &parent, int first, int last);

protected:
    QTreeView(QTreeViewPrivate &dd, QWidget *parent = 0);
    void scrollContentsBy(int dx, int dy);
    void rowsInserted(const QModelIndex &parent, int start, int end);
    void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);

    QModelIndex moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers);
    int horizontalOffset() const;
    int verticalOffset() const;

    void setSelection(const QRect &rect, QItemSelectionModel::SelectionFlags command);
    QRegion visualRegionForSelection(const QItemSelection &selection) const;
    QModelIndexList selectedIndexes() const;

    void timerEvent(QTimerEvent *event);
    void paintEvent(QPaintEvent *event);

    void drawTree(QPainter *painter, const QRegion &region) const;
    virtual void drawRow(QPainter *painter,
                         const QStyleOptionViewItem &options,
                         const QModelIndex &index) const;
    virtual void drawBranches(QPainter *painter,
                              const QRect &rect,
                              const QModelIndex &index) const;

    void mousePressEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);
    void mouseDoubleClickEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void keyPressEvent(QKeyEvent *event);
#ifndef QT_NO_DRAGANDDROP
    void dragMoveEvent(QDragMoveEvent *event);
#endif
    bool viewportEvent(QEvent *event);

    void updateGeometries();

    int sizeHintForColumn(int column) const;
    int indexRowSizeHint(const QModelIndex &index) const;
    int rowHeight(const QModelIndex &index) const;

    void horizontalScrollbarAction(int action);

    bool isIndexHidden(const QModelIndex &index) const;
    void selectionChanged(const QItemSelection &selected,
                          const QItemSelection &deselected);
    void currentChanged(const QModelIndex &current, const QModelIndex &previous);

private:
    friend class QAccessibleItemView;
    int visualIndex(const QModelIndex &index) const;

    Q_DECLARE_PRIVATE(QTreeView)
    Q_DISABLE_COPY(QTreeView)
#ifndef QT_NO_ANIMATION
    Q_PRIVATE_SLOT(d_func(), void _q_endAnimatedOperation())
#endif //QT_NO_ANIMATION
    Q_PRIVATE_SLOT(d_func(), void _q_modelAboutToBeReset())
    Q_PRIVATE_SLOT(d_func(), void _q_sortIndicatorChanged(int column, Qt::SortOrder order))
};

#endif // QT_NO_TREEVIEW

QT_END_NAMESPACE

QT_END_HEADER

#endif // QTREEVIEW_H