Qt 4.8
qdecoration_qws.h
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41 
42 #ifndef QDECORATION_QWS_H
43 #define QDECORATION_QWS_H
44 
45 #include <QtGui/qregion.h>
46 #include <QtGui/qwidget.h>
47 #include <QtGui/qaction.h>
48 
50 
52 
53 QT_MODULE(Gui)
54 
55 class QPopupMenu;
56 class QMenu;
57 
58 #ifndef QT_NO_ACTION
59 class QDecorationAction : public QAction
60 {
61 public:
63  : QAction(text, parent), reg(region) {}
64  int reg;
65 };
66 #endif // QT_NO_ACTION
67 
68 /*
69  Implements decoration styles
70 */
72 {
73 public:
75  virtual ~QDecoration() {}
76 
77  /* AABBBBBBBBBBCC Items in DecorationRegion:
78  AijjjjjjjklmnC
79  A C A = TopLeft B = Top C = TopRight
80  D E D = Left E = Right
81  D E F = BottomLeft H = Bottom G = BottomRight
82  F G i = Menu j = Title k = Help
83  FFHHHHHHHHHHGG l = Minimize m = Maximize n = Close
84 
85  */
86 
88  None = 0x0000000000, All = 0x7fffffff,
89  TopLeft = 0x0000000001, Top = 0x0000000002, TopRight = 0x0000000004,
90  Left = 0x0000000008, Right = 0x0000000010,
91  BottomLeft = 0x0000000020, Bottom = 0x0000000040, BottomRight = 0x0000000080,
92  Borders = 0x00000000ff,
93  Menu = 0x0000000100, Title = 0x0000000200, Help = 0x0000000400,
94  Minimize = 0x0000000800, Maximize = 0x0000001000, Normalize = 0x0000002000,
95  Close = 0x0000004000, Move = 0x0000008000, Resize = 0x0000010000
96  };
97 
98  enum DecorationState { Normal = 0x04, Disabled = 0x08, Hover = 0x01, Pressed = 0x02 };
99 
100  virtual QRegion region(const QWidget *w, const QRect &rect, int decorationRegion = All ) = 0;
101  QRegion region(const QWidget *w, int decorationRegion = All )
102  { return region(w, w->rect(), decorationRegion); }
103  virtual int regionAt(const QWidget *w, const QPoint &point);
104 
105  virtual void regionClicked(QWidget *widget, int region);
106  virtual void regionDoubleClicked(QWidget *widget, int region);
107 #ifndef QT_NO_MENU
108  virtual void buildSysMenu(QWidget *widget, QMenu *menu);
109  void menuTriggered(QWidget *widget, QAction *action);
110 #endif
111 
112  static void startMove(QWidget *widget);
113  static void startResize(QWidget *widget);
114 
115  virtual bool paint(QPainter *p, const QWidget *w, int decorationRegion = All,
116  DecorationState state = Normal) = 0;
117 
118 };
119 
121 
123 
124 #endif // QDECORATION_QWS_H
The QPainter class performs low-level painting on widgets and other paint devices.
Definition: qpainter.h:86
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QPointer< QWidget > widget
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
QRegion region(const QWidget *w, int decorationRegion=All)
This is an overloaded member function, provided for convenience. It differs from the above function o...
QDecoration()
Constructs a decoration object.
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
The QString class provides a Unicode character string.
Definition: qstring.h:83
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
virtual ~QDecoration()
Destroys this decoration object.
The QDecoration class is a base class for window decorations in Qt for Embedded Linux.
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The QRegion class specifies a clip region for a painter.
Definition: qregion.h:68
QDecorationAction(const QString &text, QObject *parent, int region)
#define None
QMenu * menu() const
Returns the menu contained by this action.
Definition: qaction.cpp:793
The QMenu class provides a menu widget for use in menu bars, context menus, and other popup menus...
Definition: qmenu.h:72
QRect rect
the internal geometry of the widget excluding any window frame
Definition: qwidget.h:168
QString text() const
QObject * parent() const
Returns a pointer to the parent object.
Definition: qobject.h:273
The QPoint class defines a point in the plane using integer precision.
Definition: qpoint.h:53
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58
DecorationState
This enum describes the various states of a decoration region.
#define QT_END_HEADER
Definition: qglobal.h:137
The QAction class provides an abstract user interface action that can be inserted into widgets...
Definition: qaction.h:64
DecorationRegion
This enum describes the various regions of the window decoration.