Qt 4.8
qdeclarativeapplication.cpp
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41 
43 #include <private/qobject_p.h>
44 #include <QtGui/QApplication>
45 
47 
49 {
51 public:
54  bool active;
56 };
57 
58 /*
59  This object and its properties are documented as part of the Qt object,
60  in qdeclarativengine.cpp
61 */
62 
64 {
65  if (qApp)
66  qApp->installEventFilter(this);
67 }
68 
70 {
71 }
72 
74 {
76  return d->active;
77 }
78 
80 {
82  return d->layoutDirection;
83 }
84 
86 {
87  Q_UNUSED(obj)
89  if (event->type() == QEvent::ApplicationActivate
90  || event->type() == QEvent::ApplicationDeactivate) {
91  bool active = d->active;
92  if (event->type() == QEvent::ApplicationActivate)
93  active = true;
94  else if (event->type() == QEvent::ApplicationDeactivate)
95  active = false;
96 
97  if (d->active != active) {
98  d->active = active;
100  }
101  }
102  if (event->type() == QEvent::LayoutDirectionChange) {
104  if (d->layoutDirection != direction) {
105  d->layoutDirection = direction;
107  }
108  }
109  return false;
110 }
111 
double d
Definition: qnumeric_p.h:62
static Qt::LayoutDirection layoutDirection()
The QApplication class manages the GUI application&#39;s control flow and main settings.
Definition: qapplication.h:99
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QDeclarativeApplication(QObject *parent=0)
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
virtual bool event(QEvent *)
This virtual function receives events to an object and should return true if the event e was recogniz...
Definition: qobject.cpp:1200
#define Q_D(Class)
Definition: qglobal.h:2482
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
#define qApp
#define emit
Definition: qobjectdefs.h:76
LayoutDirection
Definition: qnamespace.h:1580
Qt::LayoutDirection layoutDirection() const
#define Q_DECLARE_PUBLIC(Class)
Definition: qglobal.h:2477
bool eventFilter(QObject *obj, QEvent *event)
Filters events if this object has been installed as an event filter for the watched object...
QObject * parent
Definition: qobject.h:92
The QEvent class is the base class of all event classes.
Definition: qcoreevent.h:56
Type type() const
Returns the event type.
Definition: qcoreevent.h:303
#define Q_UNUSED(x)
Indicates to the compiler that the parameter with the specified name is not used in the body of a fun...
Definition: qglobal.h:1729
Qt::LayoutDirection direction