Qt 4.8
qdirectfbconvenience.h
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41 
42 #ifndef QDIRECTFBCONVENIENCE_H
43 #define QDIRECTFBCONVENIENCE_H
44 
45 #include <QtGui/qimage.h>
46 #include <QtCore/QHash>
47 #include <QtCore/QEvent>
48 #include <QtGui/QPixmap>
49 
50 #include <directfb.h>
51 
53 
54 class QDirectFbScreen;
55 class QPlatformScreen;
56 
57 class QDirectFbKeyMap: public QHash<DFBInputDeviceKeySymbol, Qt::Key>
58 {
59 public:
61 };
62 
63 
65 {
66 public:
67  static QImage::Format imageFormatFromSurfaceFormat(const DFBSurfacePixelFormat format, const DFBSurfaceCapabilities caps);
68  static bool pixelFomatHasAlpha(const DFBSurfacePixelFormat format) { return (1 << 16) & format; }
69  static int colorDepthForSurface(const DFBSurfacePixelFormat format);
70 
71  //This is set by the graphicssystem constructor
72  static IDirectFB *dfbInterface();
73  static IDirectFBDisplayLayer *dfbDisplayLayer(int display = DLID_PRIMARY);
74 
75  static IDirectFBSurface *dfbSurfaceForPlatformPixmap(QPixmapData *);
76 
77  static Qt::MouseButton mouseButton(DFBInputDeviceButtonIdentifier identifier);
78  static Qt::MouseButtons mouseButtons(DFBInputDeviceButtonMask mask);
79  static Qt::KeyboardModifiers keyboardModifiers(DFBInputDeviceModifierMask mask);
80  static QEvent::Type eventType(DFBWindowEventType type);
81 
82  static QDirectFbKeyMap *keyMap();
83 
84 private:
86  friend class QDirectFbIntegration;
87 };
88 
89 template <typename T> struct QDirectFBInterfaceCleanupHandler
90 {
91  static void cleanup(T *t)
92  {
93  if (!t)
94  return;
95  t->Release(t);
96  }
97 };
98 
99 template <typename T>
100 class QDirectFBPointer : public QScopedPointer<T, QDirectFBInterfaceCleanupHandler<T> >
101 {
102 public:
105  {}
106 
107  T** outPtr()
108  {
109  this->reset(0);
110  return &this->d;
111  }
112 };
113 
114 // Helper conversions from internal to DFB types
116 IDirectFBDisplayLayer *toDfbLayer(QPlatformScreen *screen);
117 
118 #define QDFB_STRINGIFY(x) #x
119 #define QDFB_TOSTRING(x) QDFB_STRINGIFY(x)
120 #define QDFB_PRETTY \
121  (__FILE__ ":" QDFB_TOSTRING(__LINE__))
122 
124 
125 
126 #endif // QDIRECTFBCONVENIENCE_H
Format
The following image formats are available in Qt.
Definition: qimage.h:91
int type
Definition: qmetatype.cpp:239
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
The QPlatformScreen class provides an abstraction for visual displays.
Q_CORE_EXPORT QTextStream & reset(QTextStream &s)
IDirectFBDisplayLayer * toDfbLayer(QPlatformScreen *screen)
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
QDirectFbScreen * toDfbScreen(QWidget *window)
The QHash class is a template class that provides a hash-table-based dictionary.
Definition: qdatastream.h:66
static bool pixelFomatHasAlpha(const DFBSurfacePixelFormat format)
static const struct KeyMapEntryStruct keyMap[]
The QScopedPointer class stores a pointer to a dynamically allocated object, and deletes it upon dest...
NSWindow * window
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
Q_GUI_EXPORT EGLDisplay display()
Definition: qegl.cpp:589
Type
This enum type defines the valid event types in Qt.
Definition: qcoreevent.h:62
static QDirectFbKeyMap * dfbKeymap
MouseButton
Definition: qnamespace.h:150