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
|
/****************************************************************************
**
** Copyright (C) 2010 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 QCOLUMNVIEW_P_H
#define QCOLUMNVIEW_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qcolumnview.h"
#ifndef QT_NO_QCOLUMNVIEW
#include <private/qabstractitemview_p.h>
#include <QtCore/qabstractitemmodel.h>
#include <QtCore/qpropertyanimation.h>
#include <QtGui/qabstractitemdelegate.h>
#include <QtGui/qabstractitemview.h>
#include <QtGui/qitemdelegate.h>
#include <qlistview.h>
#include <qevent.h>
#include <qscrollbar.h>
QT_BEGIN_NAMESPACE
class QColumnViewPreviewColumn : public QAbstractItemView {
public:
QColumnViewPreviewColumn(QWidget *parent) : QAbstractItemView(parent), previewWidget(0) {
}
void setPreviewWidget(QWidget *widget) {
previewWidget = widget;
setMinimumWidth(previewWidget->minimumWidth());
}
void resizeEvent(QResizeEvent * event){
if (!previewWidget)
return;
previewWidget->resize(
qMax(previewWidget->minimumWidth(), event->size().width()),
previewWidget->height());
QSize p = viewport()->size();
QSize v = previewWidget->size();
horizontalScrollBar()->setRange(0, v.width() - p.width());
horizontalScrollBar()->setPageStep(p.width());
verticalScrollBar()->setRange(0, v.height() - p.height());
verticalScrollBar()->setPageStep(p.height());
QAbstractScrollArea::resizeEvent(event);
}
QRect visualRect(const QModelIndex &) const
{
return QRect();
}
void scrollTo(const QModelIndex &, ScrollHint)
{
}
QModelIndex indexAt(const QPoint &) const
{
return QModelIndex();
}
QModelIndex moveCursor(CursorAction, Qt::KeyboardModifiers)
{
return QModelIndex();
}
int horizontalOffset () const {
return 0;
}
int verticalOffset () const {
return 0;
}
QRegion visualRegionForSelection(const QItemSelection &) const
{
return QRegion();
}
bool isIndexHidden(const QModelIndex &) const
{
return false;
}
void setSelection(const QRect &, QItemSelectionModel::SelectionFlags)
{
}
private:
QWidget *previewWidget;
};
class Q_AUTOTEST_EXPORT QColumnViewPrivate : public QAbstractItemViewPrivate
{
Q_DECLARE_PUBLIC(QColumnView)
public:
QColumnViewPrivate();
~QColumnViewPrivate();
void initialize();
QAbstractItemView *createColumn(const QModelIndex &index, bool show);
void updateScrollbars();
void closeColumns(const QModelIndex &parent = QModelIndex(), bool build = false);
void doLayout();
void setPreviewWidget(QWidget *widget);
void checkColumnCreation(const QModelIndex &parent);
void _q_gripMoved(int offset);
void _q_changeCurrentColumn();
void _q_clicked(const QModelIndex &index);
void _q_columnsInserted(const QModelIndex &parent, int start, int end);
QList<QAbstractItemView*> columns;
QVector<int> columnSizes; // used during init and corner moving
bool showResizeGrips;
int offset;
#ifndef QT_NO_ANIMATION
QPropertyAnimation currentAnimation;
#endif
QWidget *previewWidget;
QAbstractItemView *previewColumn;
};
/*!
* This is a delegate that will paint the triangle
*/
class QColumnViewDelegate : public QItemDelegate
{
public:
explicit QColumnViewDelegate(QObject *parent = 0) : QItemDelegate(parent) {}
~QColumnViewDelegate() {}
void paint(QPainter *painter,
const QStyleOptionViewItem &option,
const QModelIndex &index) const;
};
#endif // QT_NO_QCOLUMNVIEW
QT_END_NAMESPACE
#endif //QCOLUMNVIEW_P_H
|
