Qt 4.8
Public Functions | Public Variables | List of all members
QLinuxFbScreenPrivate Class Reference
Inheritance diagram for QLinuxFbScreenPrivate:
QObject

Public Functions

void closeTty ()
 
void openTty ()
 
 QLinuxFbScreenPrivate ()
 
 ~QLinuxFbScreenPrivate ()
 
- Public Functions inherited from QObject
bool blockSignals (bool b)
 If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). More...
 
const QObjectListchildren () const
 Returns a list of child objects. More...
 
bool connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
 
bool disconnect (const char *signal=0, const QObject *receiver=0, const char *member=0)
 
bool disconnect (const QObject *receiver, const char *member=0)
 
void dumpObjectInfo ()
 Dumps information about signal connections, etc. More...
 
void dumpObjectTree ()
 Dumps a tree of children to the debug output. More...
 
QList< QByteArraydynamicPropertyNames () const
 Returns the names of all properties that were dynamically added to the object using setProperty(). More...
 
virtual bool event (QEvent *)
 This virtual function receives events to an object and should return true if the event e was recognized and processed. More...
 
virtual bool eventFilter (QObject *, QEvent *)
 Filters events if this object has been installed as an event filter for the watched object. More...
 
template<typename T >
findChild (const QString &aName=QString()) const
 Returns the child of this object that can be cast into type T and that is called name, or 0 if there is no such object. More...
 
template<typename T >
QList< T > findChildren (const QString &aName=QString()) const
 Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects. More...
 
template<typename T >
QList< T > findChildren (const QRegExp &re) const
 
bool inherits (const char *classname) const
 Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false. More...
 
void installEventFilter (QObject *)
 Installs an event filter filterObj on this object. More...
 
bool isWidgetType () const
 Returns true if the object is a widget; otherwise returns false. More...
 
void killTimer (int id)
 Kills the timer with timer identifier, id. More...
 
virtual const QMetaObjectmetaObject () const
 Returns a pointer to the meta-object of this object. More...
 
void moveToThread (QThread *thread)
 Changes the thread affinity for this object and its children. More...
 
QString objectName () const
 
QObjectparent () const
 Returns a pointer to the parent object. More...
 
QVariant property (const char *name) const
 Returns the value of the object's name property. More...
 
Q_INVOKABLE QObject (QObject *parent=0)
 Constructs an object with parent object parent. More...
 
void removeEventFilter (QObject *)
 Removes an event filter object obj from this object. More...
 
void setObjectName (const QString &name)
 
void setParent (QObject *)
 Makes the object a child of parent. More...
 
bool setProperty (const char *name, const QVariant &value)
 Sets the value of the object's name property to value. More...
 
void setUserData (uint id, QObjectUserData *data)
 
bool signalsBlocked () const
 Returns true if signals are blocked; otherwise returns false. More...
 
int startTimer (int interval)
 Starts a timer and returns a timer identifier, or returns zero if it could not start a timer. More...
 
QThreadthread () const
 Returns the thread in which the object lives. More...
 
QObjectUserDatauserData (uint id) const
 
virtual ~QObject ()
 Destroys the object, deleting all its child objects. More...
 

Public Variables

bool blank
 
QString displaySpec
 
bool doGraphicsMode
 
QLinuxFbScreen::DriverTypes driverType
 
int fd
 
long oldKdMode
 
int startupd
 
int startuph
 
int startupw
 
QString ttyDevice
 
int ttyfd
 

Additional Inherited Members

- Public Slots inherited from QObject
void deleteLater ()
 Schedules this object for deletion. More...
 
- Signals inherited from QObject
void destroyed (QObject *=0)
 This signal is emitted immediately before the object obj is destroyed, and can not be blocked. More...
 
- Static Public Functions inherited from QObject
static bool connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
 Creates a connection of the given type from the signal in the sender object to the method in the receiver object. More...
 
static bool connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
 
static bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
 Disconnects signal in object sender from method in object receiver. More...
 
static bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
 
static uint registerUserData ()
 
static QString tr (const char *sourceText, const char *comment=0, int n=-1)
 
static QString trUtf8 (const char *sourceText, const char *comment=0, int n=-1)
 
- Static Public Variables inherited from QObject
static const QMetaObject staticMetaObject
 This variable stores the meta-object for the class. More...
 
- Protected Functions inherited from QObject
virtual void childEvent (QChildEvent *)
 This event handler can be reimplemented in a subclass to receive child events. More...
 
virtual void connectNotify (const char *signal)
 This virtual function is called when something has been connected to signal in this object. More...
 
virtual void customEvent (QEvent *)
 This event handler can be reimplemented in a subclass to receive custom events. More...
 
virtual void disconnectNotify (const char *signal)
 This virtual function is called when something has been disconnected from signal in this object. More...
 
 QObject (QObjectPrivate &dd, QObject *parent=0)
 
int receivers (const char *signal) const
 Returns the number of receivers connected to the signal. More...
 
QObjectsender () const
 Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns 0. More...
 
int senderSignalIndex () const
 
virtual void timerEvent (QTimerEvent *)
 This event handler can be reimplemented in a subclass to receive timer events for the object. More...
 
- Protected Variables inherited from QObject
QScopedPointer< QObjectDatad_ptr
 
- Static Protected Variables inherited from QObject
static const QMetaObject staticQtMetaObject
 

Detailed Description

Definition at line 80 of file qscreenlinuxfb_qws.cpp.

Constructors and Destructors

◆ QLinuxFbScreenPrivate()

QLinuxFbScreenPrivate::QLinuxFbScreenPrivate ( )

Definition at line 106 of file qscreenlinuxfb_qws.cpp.

107  : fd(-1), blank(true), doGraphicsMode(true),
108 #ifdef QT_QWS_DEPTH_GENERIC
109  doGenericColors(false),
110 #endif
111  ttyfd(-1), oldKdMode(KD_TEXT)
112 {
113 #ifndef QT_NO_QWS_SIGNALHANDLER
115 #endif
116 }
void addObject(QObject *object)
static QWSSignalHandler * instance()

◆ ~QLinuxFbScreenPrivate()

QLinuxFbScreenPrivate::~QLinuxFbScreenPrivate ( )

Definition at line 118 of file qscreenlinuxfb_qws.cpp.

119 {
120  closeTty();
121 }

Functions

◆ closeTty()

void QLinuxFbScreenPrivate::closeTty ( )

Definition at line 154 of file qscreenlinuxfb_qws.cpp.

Referenced by QLinuxFbScreen::shutdownDevice(), and ~QLinuxFbScreenPrivate().

155 {
156  if (ttyfd == -1)
157  return;
158 
159  if (doGraphicsMode)
160  ioctl(ttyfd, KDSETMODE, oldKdMode);
161 
162  // Blankin' screen, blinkin' cursor!
163  const char termctl[] = "\033[9;15]\033[?33h\033[?25h\033[?0c";
164  QT_WRITE(ttyfd, termctl, sizeof(termctl));
165 
166  QT_CLOSE(ttyfd);
167  ttyfd = -1;
168 }
#define QT_WRITE
Definition: qcore_unix_p.h:289
#define QT_CLOSE
Definition: qcore_unix_p.h:304

◆ openTty()

void QLinuxFbScreenPrivate::openTty ( )

Definition at line 123 of file qscreenlinuxfb_qws.cpp.

Referenced by QLinuxFbScreen::initDevice().

124 {
125  const char *const devs[] = {"/dev/tty0", "/dev/tty", "/dev/console", 0};
126 
127  if (ttyDevice.isEmpty()) {
128  for (const char * const *dev = devs; *dev; ++dev) {
129  ttyfd = QT_OPEN(*dev, O_RDWR);
130  if (ttyfd != -1)
131  break;
132  }
133  } else {
135  }
136 
137  if (ttyfd == -1)
138  return;
139 
140  if (doGraphicsMode) {
141  ioctl(ttyfd, KDGETMODE, &oldKdMode);
142  if (oldKdMode != KD_GRAPHICS) {
143  int ret = ioctl(ttyfd, KDSETMODE, KD_GRAPHICS);
144  if (ret == -1)
145  doGraphicsMode = false;
146  }
147  }
148 
149  // No blankin' screen, no blinkin' cursor!, no cursor!
150  const char termctl[] = "\033[9;0]\033[?33l\033[?25l\033[?1c";
151  QT_WRITE(ttyfd, termctl, sizeof(termctl));
152 }
bool isEmpty() const
Returns true if the string has no characters; otherwise returns false.
Definition: qstring.h:704
const char * constData() const
Returns a pointer to the data stored in the byte array.
Definition: qbytearray.h:433
#define QT_OPEN
Definition: qcore_unix_p.h:186
QByteArray toAscii() const Q_REQUIRED_RESULT
Returns an 8-bit representation of the string as a QByteArray.
Definition: qstring.cpp:4014
#define QT_WRITE
Definition: qcore_unix_p.h:289
#define O_RDWR

Properties

◆ blank

bool QLinuxFbScreenPrivate::blank

Definition at line 93 of file qscreenlinuxfb_qws.cpp.

Referenced by QLinuxFbScreen::blank().

◆ displaySpec

QString QLinuxFbScreenPrivate::displaySpec

Definition at line 103 of file qscreenlinuxfb_qws.cpp.

Referenced by QLinuxFbScreen::connect(), and QLinuxFbScreen::setMode().

◆ doGraphicsMode

bool QLinuxFbScreenPrivate::doGraphicsMode

Definition at line 96 of file qscreenlinuxfb_qws.cpp.

Referenced by closeTty(), QLinuxFbScreen::connect(), and openTty().

◆ driverType

QLinuxFbScreen::DriverTypes QLinuxFbScreenPrivate::driverType

◆ fd

int QLinuxFbScreenPrivate::fd

◆ oldKdMode

long QLinuxFbScreenPrivate::oldKdMode

Definition at line 101 of file qscreenlinuxfb_qws.cpp.

Referenced by closeTty(), and openTty().

◆ startupd

int QLinuxFbScreenPrivate::startupd

Definition at line 92 of file qscreenlinuxfb_qws.cpp.

Referenced by QLinuxFbScreen::initDevice().

◆ startuph

int QLinuxFbScreenPrivate::startuph

Definition at line 91 of file qscreenlinuxfb_qws.cpp.

Referenced by QLinuxFbScreen::initDevice().

◆ startupw

int QLinuxFbScreenPrivate::startupw

Definition at line 90 of file qscreenlinuxfb_qws.cpp.

Referenced by QLinuxFbScreen::initDevice().

◆ ttyDevice

QString QLinuxFbScreenPrivate::ttyDevice

Definition at line 102 of file qscreenlinuxfb_qws.cpp.

Referenced by QLinuxFbScreen::connect(), and openTty().

◆ ttyfd

int QLinuxFbScreenPrivate::ttyfd

Definition at line 100 of file qscreenlinuxfb_qws.cpp.

Referenced by closeTty(), and openTty().


The documentation for this class was generated from the following file: