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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 
59 QT_REQUIRE_CONFIG(menubar);
60 
61 QT_BEGIN_NAMESPACE
62 
63 class QMenuBarExtension;
64 class QMenuBarPrivate : public QWidgetPrivate
65 {
Q_DECLARE_PUBLIC(QMenuBar)66     Q_DECLARE_PUBLIC(QMenuBar)
67 public:
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 
~QMenuBarPrivate()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 
indexOf(QAction * act)139     inline int indexOf(QAction *act) const { return q_func()->actions().indexOf(act); }
140 };
141 
142 QT_END_NAMESPACE
143 
144 #endif // QMENUBAR_P_H
145