Qt 4.8
qdirectfbcursor.cpp
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41 
42 #include "qdirectfbcursor.h"
43 #include "qdirectfbconvenience.h"
44 
46 
48  : QPlatformCursor(screen)
49 {
50  m_image.reset(new QPlatformCursorImage(0, 0, 0, 0, 0, 0));
51 }
52 
54 {
55  int xSpot;
56  int ySpot;
57  QPixmap map;
58 
59  if (cursor->shape() != Qt::BitmapCursor) {
60  m_image->set(cursor->shape());
61  xSpot = m_image->hotspot().x();
62  ySpot = m_image->hotspot().y();
63  QImage *i = m_image->image();
64  map = QPixmap::fromImage(*i);
65  } else {
66  QPoint point = cursor->hotSpot();
67  xSpot = point.x();
68  ySpot = point.y();
69  map = cursor->pixmap();
70  }
71 
72  DFBResult res;
73  IDirectFBDisplayLayer *layer = toDfbLayer(screen);
74  IDirectFBSurface* surface(QDirectFbConvenience::dfbSurfaceForPlatformPixmap(map.pixmapData()));
75 
76  res = layer->SetCooperativeLevel(layer, DLSCL_ADMINISTRATIVE);
77  if (res != DFB_OK) {
78  DirectFBError("Failed to set DLSCL_ADMINISTRATIVE", res);
79  return;
80  }
81 
82  layer->SetCursorShape(layer, surface, xSpot, ySpot);
83  layer->SetCooperativeLevel(layer, DLSCL_SHARED);
84 }
85 
static QPixmap fromImage(const QImage &image, Qt::ImageConversionFlags flags=Qt::AutoColor)
Converts the given image to a pixmap using the specified flags to control the conversion.
Definition: qpixmap.cpp:2197
The QCursor class provides a mouse cursor with an arbitrary shape.
Definition: qcursor.h:89
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
The QPlatformScreen class provides an abstraction for visual displays.
The QPlatformCursor class provides information about pointer device events (movement, buttons), and requests to change the currently displayed cursor.
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
IDirectFBDisplayLayer * toDfbLayer(QPlatformScreen *screen)
static IDirectFBSurface * dfbSurfaceForPlatformPixmap(QPixmapData *)
QFuture< void > map(Sequence &sequence, MapFunction function)
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
QPixmap pixmap() const
Returns the cursor pixmap.
Definition: qcursor.cpp:528
The QImage class provides a hardware-independent image representation that allows direct access to th...
Definition: qimage.h:87
QImage * image()
Return the cursor graphic as a pointer to a QImage.
QScopedPointer< QPlatformCursorImage > m_image
void reset(T *other=0)
Deletes the existing object it is pointing to if any, and sets its pointer to other.
QPoint hotSpot() const
Returns the cursor hot spot, or (0, 0) if it is one of the standard cursors.
Definition: qcursor.cpp:540
QPoint hotspot()
Return the cursor&#39;s hotspot.
The QPlatformCursorImage class provides a set of graphics intended to be used as cursors.
void set(const uchar *data, const uchar *mask, int width, int height, int hotX, int hotY)
Sets the cursor image to the graphic represented by the combination of data and mask, with dimensions given by width and height and a hotspot at the point specified by (hx, hy).
The QPoint class defines a point in the plane using integer precision.
Definition: qpoint.h:53
QPlatformScreen * screen
int y() const
Returns the y coordinate of this point.
Definition: qpoint.h:131
The QPixmap class is an off-screen image representation that can be used as a paint device...
Definition: qpixmap.h:71
int x() const
Returns the x coordinate of this point.
Definition: qpoint.h:128
QDirectFBCursor(QPlatformScreen *screen)
void changeCursor(QCursor *cursor, QWidget *window)
This method is called by Qt whenever the cursor graphic should be changed.
Qt::CursorShape shape() const
Returns the cursor shape identifier.
Definition: qcursor.cpp:469
QPixmapData * pixmapData() const
Definition: qpixmap.cpp:2277