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
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGRAPHICSWIDGET_P_H
#define QGRAPHICSWIDGET_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 <private/qobject_p.h>
#include "qgraphicsitem_p.h"
#include "qgraphicswidget.h"
#include <QtGui/qfont.h>
#include <QtGui/qpalette.h>
#include <QtGui/qsizepolicy.h>
#include <QtGui/qstyle.h>
QT_BEGIN_NAMESPACE
class QGraphicsLayout;
class QStyleOptionTitleBar;
#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
class QGraphicsWidgetPrivate : public QGraphicsItemPrivate
{
Q_DECLARE_PUBLIC(QGraphicsWidget)
public:
QGraphicsWidgetPrivate()
: margins(0),
layout(0),
inheritedPaletteResolveMask(0),
inheritedFontResolveMask(0),
inSetGeometry(0),
polished(0),
inSetPos(0),
autoFillBackground(0),
refCountInvokeRelayout(0),
focusPolicy(Qt::NoFocus),
focusNext(0),
focusPrev(0),
windowFlags(0),
windowData(0),
setWindowFrameMargins(false),
windowFrameMargins(0)
{ }
virtual ~QGraphicsWidgetPrivate();
void init(QGraphicsItem *parentItem, Qt::WindowFlags wFlags);
qreal titleBarHeight(const QStyleOptionTitleBar &options) const;
// Margins
enum {Left, Top, Right, Bottom};
mutable qreal *margins;
void ensureMargins() const;
void fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *oldScene, QGraphicsScene *newScene = 0);
void setLayout_helper(QGraphicsLayout *l);
// Layouts
QGraphicsLayout *layout;
void setLayoutDirection_helper(Qt::LayoutDirection direction);
void resolveLayoutDirection();
void _q_relayout();
// Style
QPalette palette;
uint inheritedPaletteResolveMask;
void setPalette_helper(const QPalette &palette);
void resolvePalette(uint inheritedMask);
void updatePalette(const QPalette &palette);
QPalette naturalWidgetPalette() const;
QFont font;
uint inheritedFontResolveMask;
void setFont_helper(const QFont &font);
void resolveFont(uint inheritedMask);
void updateFont(const QFont &font);
QFont naturalWidgetFont() const;
// Window specific
void initStyleOptionTitleBar(QStyleOptionTitleBar *option);
void adjustWindowFlags(Qt::WindowFlags *wFlags);
void windowFrameMouseReleaseEvent(QGraphicsSceneMouseEvent *event);
void windowFrameMousePressEvent(QGraphicsSceneMouseEvent *event);
void windowFrameMouseMoveEvent(QGraphicsSceneMouseEvent *event);
void windowFrameHoverMoveEvent(QGraphicsSceneHoverEvent *event);
void windowFrameHoverLeaveEvent(QGraphicsSceneHoverEvent *event);
bool hasDecoration() const;
// Private Properties
qreal width() const;
void setWidth(qreal);
void resetWidth();
qreal height() const;
void setHeight(qreal);
void resetHeight();
void setGeometryFromSetPos();
// State
inline int attributeToBitIndex(Qt::WidgetAttribute att) const
{
int bit = -1;
switch (att) {
case Qt::WA_SetLayoutDirection: bit = 0; break;
case Qt::WA_RightToLeft: bit = 1; break;
case Qt::WA_SetStyle: bit = 2; break;
case Qt::WA_Resized: bit = 3; break;
case Qt::WA_DeleteOnClose: bit = 4; break;
case Qt::WA_NoSystemBackground: bit = 5; break;
case Qt::WA_OpaquePaintEvent: bit = 6; break;
case Qt::WA_SetPalette: bit = 7; break;
case Qt::WA_SetFont: bit = 8; break;
case Qt::WA_WindowPropagation: bit = 9; break;
default: break;
}
return bit;
}
inline void setAttribute(Qt::WidgetAttribute att, bool value)
{
int bit = attributeToBitIndex(att);
if (bit == -1) {
qWarning("QGraphicsWidget::setAttribute: unsupported attribute %d", int(att));
return;
}
if (value)
attributes |= (1 << bit);
else
attributes &= ~(1 << bit);
}
inline bool testAttribute(Qt::WidgetAttribute att) const
{
int bit = attributeToBitIndex(att);
if (bit == -1)
return false;
return (attributes & (1 << bit)) != 0;
}
// 32 bits
quint32 attributes : 10;
quint32 inSetGeometry : 1;
quint32 polished: 1;
quint32 inSetPos : 1;
quint32 autoFillBackground : 1;
quint32 refCountInvokeRelayout : 16;
quint32 padding : 2; // feel free to use
// Focus
Qt::FocusPolicy focusPolicy;
QGraphicsWidget *focusNext;
QGraphicsWidget *focusPrev;
// Windows
Qt::WindowFlags windowFlags;
struct WindowData {
QString windowTitle;
QStyle::SubControl hoveredSubControl;
Qt::WindowFrameSection grabbedSection;
uint buttonMouseOver : 1;
uint buttonSunken : 1;
QRectF startGeometry;
QRect buttonRect;
WindowData()
: hoveredSubControl(QStyle::SC_None)
, grabbedSection(Qt::NoSection)
, buttonMouseOver(false)
, buttonSunken(false)
{}
} *windowData;
void ensureWindowData();
bool setWindowFrameMargins;
mutable qreal *windowFrameMargins;
void ensureWindowFrameMargins() const;
#ifndef QT_NO_ACTION
QList<QAction *> actions;
#endif
};
#endif //!defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
QT_END_NAMESPACE
#endif //QGRAPHICSWIDGET_P_H
|
