1/****************************************************************************
2**
3** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4** Contact: http://www.qt-project.org/legal
5**
6** This file is part of the QtGui module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Digia. For licensing terms and
14** conditions see http://qt.digia.com/licensing. For further information
15** use the contact form at http://qt.digia.com/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 2.1 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 2.1 requirements
23** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24**
25** In addition, as a special exception, Digia gives you certain additional
26** rights. These rights are described in the Digia Qt LGPL Exception
27** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28**
29** GNU General Public License Usage
30** Alternatively, this file may be used under the terms of the GNU
31** General Public License version 3.0 as published by the Free Software
32** Foundation and appearing in the file LICENSE.GPL included in the
33** packaging of this file. Please review the following information to
34** ensure the GNU General Public License version 3.0 requirements will be
35** met: http://www.gnu.org/copyleft/gpl.html.
36**
37**
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QDYNAMICDOCKWIDGET_P_H
43#define QDYNAMICDOCKWIDGET_P_H
44
45//
46// W A R N I N G
47// -------------
48//
49// This file is not part of the Qt API. It exists purely as an
50// implementation detail. This header file may change from version to
51// version without notice, or even be removed.
52//
53// We mean it.
54//
55
56#include "QtGui/qstyleoption.h"
57#include "private/qwidget_p.h"
58#include "QtGui/qboxlayout.h"
59#include "QtGui/qdockwidget.h"
60
61#ifndef QT_NO_DOCKWIDGET
62
63QT_BEGIN_NAMESPACE
64
65class QGridLayout;
66class QWidgetResizeHandler;
67class QRubberBand;
68class QDockWidgetTitleButton;
69class QSpacerItem;
70class QDockWidgetItem;
71
72class QDockWidgetPrivate : public QWidgetPrivate
73{
74 Q_DECLARE_PUBLIC(QDockWidget)
75
76 struct DragState {
77 QPoint pressPos;
78 bool dragging;
79 QLayoutItem *widgetItem;
80 bool ownWidgetItem;
81 bool nca;
82 bool ctrlDrag;
83 };
84
85public:
86 inline QDockWidgetPrivate()
87 : QWidgetPrivate(), state(0),
88 features(QDockWidget::DockWidgetClosable
89 | QDockWidget::DockWidgetMovable
90 | QDockWidget::DockWidgetFloatable),
91 allowedAreas(Qt::AllDockWidgetAreas)
92 { }
93
94 void init();
95 void _q_toggleView(bool); // private slot
96 void _q_toggleTopLevel(); // private slot
97
98 void updateButtons();
99 DragState *state;
100
101 QDockWidget::DockWidgetFeatures features;
102 Qt::DockWidgetAreas allowedAreas;
103
104 QWidgetResizeHandler *resizer;
105
106#ifndef QT_NO_ACTION
107 QAction *toggleViewAction;
108#endif
109
110// QMainWindow *findMainWindow(QWidget *widget) const;
111 QRect undockedGeometry;
112 QString fixedWindowTitle;
113
114 bool mousePressEvent(QMouseEvent *event);
115 bool mouseDoubleClickEvent(QMouseEvent *event);
116 bool mouseMoveEvent(QMouseEvent *event);
117 bool mouseReleaseEvent(QMouseEvent *event);
118 void setWindowState(bool floating, bool unplug = false, const QRect &rect = QRect());
119 void nonClientAreaMouseEvent(QMouseEvent *event);
120 void initDrag(const QPoint &pos, bool nca);
121 void startDrag();
122 void endDrag(bool abort = false);
123 void moveEvent(QMoveEvent *event);
124
125 void unplug(const QRect &rect);
126 void plug(const QRect &rect);
127
128 bool isAnimating() const;
129};
130
131class Q_GUI_EXPORT QDockWidgetLayout : public QLayout
132{
133 Q_OBJECT
134public:
135 QDockWidgetLayout(QWidget *parent = 0);
136 ~QDockWidgetLayout();
137 void addItem(QLayoutItem *item);
138 QLayoutItem *itemAt(int index) const;
139 QLayoutItem *takeAt(int index);
140 int count() const;
141
142 QSize maximumSize() const;
143 QSize minimumSize() const;
144 QSize sizeHint() const;
145
146 QSize sizeFromContent(const QSize &content, bool floating) const;
147
148 void setGeometry(const QRect &r);
149
150 enum Role { Content, CloseButton, FloatButton, TitleBar, RoleCount };
151 QWidget *widgetForRole(Role r) const;
152 void setWidgetForRole(Role r, QWidget *w);
153 QLayoutItem *itemForRole(Role r) const;
154
155 QRect titleArea() const { return _titleArea; }
156
157 int minimumTitleWidth() const;
158 int titleHeight() const;
159 void updateMaxSize();
160 bool nativeWindowDeco() const;
161 bool nativeWindowDeco(bool floating) const;
162
163 void setVerticalTitleBar(bool b);
164
165 bool verticalTitleBar;
166
167private:
168 QVector<QLayoutItem*> item_list;
169 QRect _titleArea;
170};
171
172/* The size hints of a QDockWidget will depend on whether it is docked or not.
173 This layout item always returns the size hints as if the dock widget was docked. */
174
175class QDockWidgetItem : public QWidgetItem
176{
177public:
178 QDockWidgetItem(QDockWidget *dockWidget);
179 QSize minimumSize() const;
180 QSize maximumSize() const;
181 QSize sizeHint() const;
182
183private:
184 inline QLayoutItem *dockWidgetChildItem() const;
185 inline QDockWidgetLayout *dockWidgetLayout() const;
186};
187
188inline QLayoutItem *QDockWidgetItem::dockWidgetChildItem() const
189{
190 if (QDockWidgetLayout *layout = dockWidgetLayout())
191 return layout->itemForRole(QDockWidgetLayout::Content);
192 return 0;
193}
194
195inline QDockWidgetLayout *QDockWidgetItem::dockWidgetLayout() const
196{
197 QWidget *w = const_cast<QDockWidgetItem*>(this)->widget();
198 if (w != 0)
199 return qobject_cast<QDockWidgetLayout*>(w->layout());
200 return 0;
201}
202
203QT_END_NAMESPACE
204
205#endif // QT_NO_DOCKWIDGET
206
207#endif // QDYNAMICDOCKWIDGET_P_H
208