summaryrefslogtreecommitdiffstats
path: root/src/gui/widgets/qdockwidget_p.h
blob: 394237c56838bb8adf0d227df8788ab53962ae1d (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
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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 QDYNAMICDOCKWIDGET_P_H
#define QDYNAMICDOCKWIDGET_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "QtGui/qstyleoption.h"
#include "private/qwidget_p.h"
#include "QtGui/qboxlayout.h"
#include "QtGui/qdockwidget.h"

#ifndef QT_NO_DOCKWIDGET

QT_BEGIN_NAMESPACE

class QGridLayout;
class QWidgetResizeHandler;
class QRubberBand;
class QDockWidgetTitleButton;
class QSpacerItem;
class QDockWidgetItem;

class QDockWidgetPrivate : public QWidgetPrivate
{
    Q_DECLARE_PUBLIC(QDockWidget)

    struct DragState {
        QPoint pressPos;
        bool dragging;
        QLayoutItem *widgetItem;
        bool ownWidgetItem;
        bool nca;
        bool ctrlDrag;
    };

public:
    inline QDockWidgetPrivate()
	: QWidgetPrivate(), state(0),
          features(QDockWidget::DockWidgetClosable
                   | QDockWidget::DockWidgetMovable
                   | QDockWidget::DockWidgetFloatable),
          allowedAreas(Qt::AllDockWidgetAreas)
    { }

    void init();
    void _q_toggleView(bool); // private slot
    void _q_toggleTopLevel(); // private slot

    void updateButtons();
    DragState *state;

    QDockWidget::DockWidgetFeatures features;
    Qt::DockWidgetAreas allowedAreas;

    QWidgetResizeHandler *resizer;

#ifndef QT_NO_ACTION
    QAction *toggleViewAction;
#endif

//    QMainWindow *findMainWindow(QWidget *widget) const;
    QRect undockedGeometry;
    QString fixedWindowTitle;

    bool mousePressEvent(QMouseEvent *event);
    bool mouseDoubleClickEvent(QMouseEvent *event);
    bool mouseMoveEvent(QMouseEvent *event);
    bool mouseReleaseEvent(QMouseEvent *event);
    void setWindowState(bool floating, bool unplug = false, const QRect &rect = QRect());
    void nonClientAreaMouseEvent(QMouseEvent *event);
    void initDrag(const QPoint &pos, bool nca);
    void startDrag();
    void endDrag(bool abort = false);
    void moveEvent(QMoveEvent *event);

    void unplug(const QRect &rect);
    void plug(const QRect &rect);

    bool isAnimating() const;
};

class Q_GUI_EXPORT QDockWidgetLayout : public QLayout
{
    Q_OBJECT
public:
    QDockWidgetLayout(QWidget *parent = 0);
    ~QDockWidgetLayout();
    void addItem(QLayoutItem *item);
    QLayoutItem *itemAt(int index) const;
    QLayoutItem *takeAt(int index);
    int count() const;

    QSize maximumSize() const;
    QSize minimumSize() const;
    QSize sizeHint() const;

    QSize sizeFromContent(const QSize &content, bool floating) const;

    void setGeometry(const QRect &r);

    enum Role { Content, CloseButton, FloatButton, TitleBar, RoleCount };
    QWidget *widgetForRole(Role r) const;
    void setWidgetForRole(Role r, QWidget *w);
    QLayoutItem *itemForRole(Role r) const;

    QRect titleArea() const { return _titleArea; }

    int minimumTitleWidth() const;
    int titleHeight() const;
    void updateMaxSize();
    bool nativeWindowDeco() const;
    bool nativeWindowDeco(bool floating) const;

    void setVerticalTitleBar(bool b);

    bool verticalTitleBar;

private:
    QVector<QLayoutItem*> item_list;
    QRect _titleArea;
};

/* The size hints of a QDockWidget will depend on whether it is docked or not.
   This layout item always returns the size hints as if the dock widget was docked. */

class QDockWidgetItem : public QWidgetItem
{
public:
    QDockWidgetItem(QDockWidget *dockWidget);
    QSize minimumSize() const;
    QSize maximumSize() const;
    QSize sizeHint() const;

private:
    inline QLayoutItem *dockWidgetChildItem() const;
    inline QDockWidgetLayout *dockWidgetLayout() const;
};

inline QLayoutItem *QDockWidgetItem::dockWidgetChildItem() const
{
    if (QDockWidgetLayout *layout = dockWidgetLayout())
        return layout->itemForRole(QDockWidgetLayout::Content);
    return 0;
}

inline QDockWidgetLayout *QDockWidgetItem::dockWidgetLayout() const
{
    QWidget *w = const_cast<QDockWidgetItem*>(this)->widget();
    if (w != 0)
        return qobject_cast<QDockWidgetLayout*>(w->layout());
    return 0;
}

QT_END_NAMESPACE

#endif // QT_NO_DOCKWIDGET

#endif // QDYNAMICDOCKWIDGET_P_H