1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtWidgets 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 The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#ifndef QMENUBAR_P_H
41#define QMENUBAR_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtWidgets/private/qtwidgetsglobal_p.h>
55#include "QtWidgets/qstyleoption.h"
56#include <private/qmenu_p.h> // Mac needs what in this file!
57#include <qpa/qplatformmenu.h>
58
59QT_REQUIRE_CONFIG(menubar);
60
61QT_BEGIN_NAMESPACE
62
63class QMenuBarExtension;
64class QMenuBarPrivate : public QWidgetPrivate
65{
66 Q_DECLARE_PUBLIC(QMenuBar)
67public:
68 QMenuBarPrivate() : itemsDirty(0), currentAction(nullptr), mouseDown(0),
69 closePopupMode(0), defaultPopDown(1), popupState(0), keyboardState(0), altPressed(0),
70 doChildEffects(false), platformMenuBar(nullptr)
71 { }
72
73 ~QMenuBarPrivate()
74 {
75 delete platformMenuBar;
76 }
77
78 void init();
79 QAction *getNextAction(const int start, const int increment) const;
80
81 //item calculations
82 uint itemsDirty : 1;
83
84 QVector<int> shortcutIndexMap;
85 mutable QVector<QRect> actionRects;
86 void calcActionRects(int max_width, int start) const;
87 QRect actionRect(QAction *) const;
88 void updateGeometries();
89
90 //selection
91 QPointer<QAction>currentAction;
92 uint mouseDown : 1, closePopupMode : 1, defaultPopDown;
93 QAction *actionAt(QPoint p) const;
94 void setCurrentAction(QAction *, bool =false, bool =false);
95 void popupAction(QAction *, bool);
96
97 //active popup state
98 uint popupState : 1;
99 QPointer<QMenu> activeMenu;
100
101 //keyboard mode for keyboard navigation
102 void focusFirstAction();
103 void setKeyboardMode(bool);
104 uint keyboardState : 1, altPressed : 1;
105 QPointer<QWidget> keyboardFocusWidget;
106
107 //firing of events
108 void activateAction(QAction *, QAction::ActionEvent);
109
110 void _q_actionTriggered();
111 void _q_actionHovered();
112 void _q_internalShortcutActivated(int);
113 void _q_updateLayout();
114
115 //extra widgets in the menubar
116 QPointer<QWidget> leftWidget, rightWidget;
117 QMenuBarExtension *extension;
118 bool isVisible(QAction *action);
119
120 //menu fading/scrolling effects
121 bool doChildEffects;
122
123 QRect menuRect(bool) const;
124
125 // reparenting
126 void handleReparent();
127 QVector<QPointer<QWidget> > oldParents;
128
129 QList<QAction*> hiddenActions;
130 //default action
131 QPointer<QAction> defaultAction;
132
133 QBasicTimer autoReleaseTimer;
134 QPlatformMenuBar *platformMenuBar;
135 QPlatformMenu *getPlatformMenu(const QAction *action);
136 QPlatformMenu *findInsertionPlatformMenu(const QAction *action);
137 void copyActionToPlatformMenu(const QAction *e, QPlatformMenu *menu);
138
139 inline int indexOf(QAction *act) const { return q_func()->actions().indexOf(t: act); }
140};
141
142QT_END_NAMESPACE
143
144#endif // QMENUBAR_P_H
145

source code of qtbase/src/widgets/widgets/qmenubar_p.h