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Qt 6.x
The Qt SDK
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#include <qqnxscreen.h>
Public Slots | |
void | setRotation (int rotation) |
void | newWindowCreated (void *window) |
void | windowClosed (void *window) |
void | windowGroupStateChanged (const QByteArray &id, Qt::WindowState state) |
void | activateWindowGroup (const QByteArray &id) |
void | deactivateWindowGroup (const QByteArray &id) |
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void | deleteLater () |
\threadsafe | |
Signals | |
void | foreignWindowCreated (void *window) |
void | foreignWindowClosed (void *window) |
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void | destroyed (QObject *=nullptr) |
This signal is emitted immediately before the object obj is destroyed, after any instances of QPointer have been notified, and cannot be blocked. | |
void | objectNameChanged (const QString &objectName, QPrivateSignal) |
This signal is emitted after the object's name has been changed. | |
Public Member Functions | |
QQnxScreen (screen_context_t context, screen_display_t display, bool primaryScreen) | |
~QQnxScreen () | |
QPixmap | grabWindow (WId window, int x, int y, int width, int height) const override |
This function is called when Qt needs to be able to grab the content of a window. | |
QRect | geometry () const override |
Reimplement in subclass to return the pixel geometry of the screen. | |
QRect | availableGeometry () const override |
Reimplement in subclass to return the pixel geometry of the available space This normally is the desktop screen minus the task manager, global menubar etc. | |
int | depth () const override |
Reimplement in subclass to return current depth of the screen. | |
QImage::Format | format () const override |
Reimplement in subclass to return the image format which corresponds to the screen format. | |
QSizeF | physicalSize () const override |
Reimplement this function in subclass to return the physical size of the screen, in millimeters. | |
qreal | refreshRate () const override |
Reimplement this function in subclass to return the vertical refresh rate of the screen, in Hz. | |
Qt::ScreenOrientation | nativeOrientation () const override |
Reimplement this function in subclass to return the native orientation of the screen, e.g. | |
Qt::ScreenOrientation | orientation () const override |
Reimplement this function in subclass to return the current orientation of the screen, for example based on accelerometer data to determine the device orientation. | |
QWindow * | topLevelAt (const QPoint &point) const override |
Return the given top level window for a given position. | |
bool | isPrimaryScreen () const |
int | rotation () const |
QString | name () const override |
int | nativeFormat () const |
screen_display_t | nativeDisplay () const |
screen_context_t | nativeContext () const |
const char * | windowGroupName () const |
QQnxWindow * | findWindow (screen_window_t windowHandle) const |
void | addWindow (QQnxWindow *child) |
void | removeWindow (QQnxWindow *child) |
void | raiseWindow (QQnxWindow *window) |
void | lowerWindow (QQnxWindow *window) |
void | updateHierarchy () |
void | adjustOrientation () |
QQnxWindow * | rootWindow () const |
void | setRootWindow (QQnxWindow *) |
QPlatformCursor * | cursor () const override |
Reimplement this function in subclass to return the cursor of the screen. | |
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Q_INVOKABLE | QObject (QObject *parent=nullptr) |
Constructs an object with parent object parent. | |
virtual | ~QObject () |
Destroys the object, deleting all its child objects. | |
virtual bool | event (QEvent *event) |
This virtual function receives events to an object and should return true if the event e was recognized and processed. | |
virtual bool | eventFilter (QObject *watched, QEvent *event) |
Filters events if this object has been installed as an event filter for the watched object. | |
QString | objectName () const |
Q_WEAK_OVERLOAD void | setObjectName (const QString &name) |
Sets the object's name to name. | |
void | setObjectName (QAnyStringView name) |
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. | |
QBindable< QString > | bindableObjectName () |
bool | isWidgetType () const |
Returns true if the object is a widget; otherwise returns false . | |
bool | isWindowType () const |
Returns true if the object is a window; otherwise returns false . | |
bool | isQuickItemType () const |
Returns true if the object is a QQuickItem; otherwise returns false . | |
bool | signalsBlocked () const noexcept |
Returns true if signals are blocked; otherwise returns false . | |
bool | blockSignals (bool b) noexcept |
If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). | |
QThread * | thread () const |
Returns the thread in which the object lives. | |
void | moveToThread (QThread *thread) |
Changes the thread affinity for this object and its children. | |
int | startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer) |
This is an overloaded function that will start a timer of type timerType and a timeout of interval milliseconds. | |
int | startTimer (std::chrono::milliseconds time, Qt::TimerType timerType=Qt::CoarseTimer) |
void | killTimer (int id) |
Kills the timer with timer identifier, id. | |
template<typename T > | |
T | findChild (const QString &aName=QString(), Qt::FindChildOptions options=Qt::FindChildrenRecursively) const |
Returns the child of this object that can be cast into type T and that is called name, or \nullptr if there is no such object. | |
template<typename T > | |
QList< T > | findChildren (const QString &aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) 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. | |
template<typename T > | |
QList< T > | findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const |
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. | |
const QObjectList & | children () const |
Returns a list of child objects. | |
void | setParent (QObject *parent) |
Makes the object a child of parent. | |
void | installEventFilter (QObject *filterObj) |
Installs an event filter filterObj on this object. | |
void | removeEventFilter (QObject *obj) |
Removes an event filter object obj from this object. | |
QMetaObject::Connection | connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const |
bool | disconnect (const char *signal=nullptr, const QObject *receiver=nullptr, const char *member=nullptr) const |
bool | disconnect (const QObject *receiver, const char *member=nullptr) const |
void | dumpObjectTree () const |
Dumps a tree of children to the debug output. | |
void | dumpObjectInfo () const |
Dumps information about signal connections, etc. | |
bool | setProperty (const char *name, const QVariant &value) |
Sets the value of the object's name property to value. | |
bool | setProperty (const char *name, QVariant &&value) |
QVariant | property (const char *name) const |
Returns the value of the object's name property. | |
QList< QByteArray > | dynamicPropertyNames () const |
QBindingStorage * | bindingStorage () |
const QBindingStorage * | bindingStorage () const |
QObject * | parent () const |
Returns a pointer to the parent object. | |
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 . | |
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QPlatformScreen () | |
virtual | ~QPlatformScreen () |
virtual bool | isPlaceholder () const |
virtual QPixmap | grabWindow (WId window, int x, int y, int width, int height) const |
This function is called when Qt needs to be able to grab the content of a window. | |
virtual QRect | geometry () const =0 |
Reimplement in subclass to return the pixel geometry of the screen. | |
virtual QRect | availableGeometry () const |
Reimplement in subclass to return the pixel geometry of the available space This normally is the desktop screen minus the task manager, global menubar etc. | |
virtual int | depth () const =0 |
Reimplement in subclass to return current depth of the screen. | |
virtual QImage::Format | format () const =0 |
Reimplement in subclass to return the image format which corresponds to the screen format. | |
virtual QColorSpace | colorSpace () const |
virtual QSizeF | physicalSize () const |
Reimplement this function in subclass to return the physical size of the screen, in millimeters. | |
virtual QDpi | logicalDpi () const |
Reimplement this function in subclass to return the logical horizontal and vertical dots per inch metrics of the screen. | |
virtual QDpi | logicalBaseDpi () const |
Reimplement to return the base logical DPI for the platform. | |
virtual qreal | devicePixelRatio () const |
Reimplement this function in subclass to return the device pixel ratio for the screen. | |
virtual qreal | refreshRate () const |
Reimplement this function in subclass to return the vertical refresh rate of the screen, in Hz. | |
virtual Qt::ScreenOrientation | nativeOrientation () const |
Reimplement this function in subclass to return the native orientation of the screen, e.g. | |
virtual Qt::ScreenOrientation | orientation () const |
Reimplement this function in subclass to return the current orientation of the screen, for example based on accelerometer data to determine the device orientation. | |
virtual QWindow * | topLevelAt (const QPoint &point) const |
Return the given top level window for a given position. | |
QWindowList | windows () const |
Return all windows residing on this screen. | |
virtual QList< QPlatformScreen * > | virtualSiblings () const |
Returns a list of all the platform screens that are part of the same virtual desktop. | |
const QPlatformScreen * | screenForPosition (const QPoint &point) const |
Find the sibling screen corresponding to globalPos. | |
QScreen * | screen () const |
virtual QString | name () const |
virtual QString | manufacturer () const |
Reimplement this function in subclass to return the manufacturer of this screen. | |
virtual QString | model () const |
Reimplement this function in subclass to return the model of this screen. | |
virtual QString | serialNumber () const |
Reimplement this function in subclass to return the serial number of this screen. | |
virtual QPlatformCursor * | cursor () const |
Reimplement this function in subclass to return the cursor of the screen. | |
virtual SubpixelAntialiasingType | subpixelAntialiasingTypeHint () const |
Returns a hint about this screen's subpixel layout structure. | |
virtual PowerState | powerState () const |
Returns the current power state. | |
virtual void | setPowerState (PowerState state) |
Sets the power state for this screen. | |
virtual QList< Mode > | modes () const |
Reimplement this function in subclass to return the list of modes for this screen. | |
virtual int | currentMode () const |
Reimplement this function in subclass to return the index of the current mode from the modes list. | |
virtual int | preferredMode () const |
Reimplement this function in subclass to return the preferred mode index from the modes list. | |
Additional Inherited Members | |
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enum | SubpixelAntialiasingType { Subpixel_None , Subpixel_RGB , Subpixel_BGR , Subpixel_VRGB , Subpixel_VBGR } |
enum | PowerState { PowerStateOn , PowerStateStandby , PowerStateSuspend , PowerStateOff } |
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static QMetaObject::Connection | connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection) |
\threadsafe | |
static QMetaObject::Connection | connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection) |
template<typename Func1 , typename Func2 > | |
static QMetaObject::Connection | connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::ContextTypeForFunctor< Func2 >::ContextType *context, Func2 &&slot, Qt::ConnectionType type=Qt::AutoConnection) |
template<typename Func1 , typename Func2 > | |
static QMetaObject::Connection | connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 &&slot) |
static bool | disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member) |
\threadsafe | |
static bool | disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member) |
static bool | disconnect (const QMetaObject::Connection &) |
Disconnect a connection. | |
template<typename Func1 , typename Func2 > | |
static bool | disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiver, Func2 slot) |
template<typename Func1 > | |
static bool | disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const QObject *receiver, void **zero) |
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static QPlatformScreen * | platformScreenForWindow (const QWindow *window) |
static int | angleBetween (Qt::ScreenOrientation a, Qt::ScreenOrientation b) |
static QTransform | transformBetween (Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &target) |
static QRect | mapBetween (Qt::ScreenOrientation a, Qt::ScreenOrientation b, const QRect &rect) |
static QDpi | overrideDpi (const QDpi &in) |
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QObject * | sender () const |
Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns \nullptr. | |
int | senderSignalIndex () const |
int | receivers (const char *signal) const |
Returns the number of receivers connected to the signal. | |
bool | isSignalConnected (const QMetaMethod &signal) const |
virtual void | timerEvent (QTimerEvent *event) |
This event handler can be reimplemented in a subclass to receive timer events for the object. | |
virtual void | childEvent (QChildEvent *event) |
This event handler can be reimplemented in a subclass to receive child events. | |
virtual void | customEvent (QEvent *event) |
This event handler can be reimplemented in a subclass to receive custom events. | |
virtual void | connectNotify (const QMetaMethod &signal) |
virtual void | disconnectNotify (const QMetaMethod &signal) |
QObject (QObjectPrivate &dd, QObject *parent=nullptr) | |
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void | resizeMaximizedWindows () |
Convenience method to resize all the maximized and fullscreen windows of this platform screen. | |
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QScopedPointer< QObjectData > | d_ptr |
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QScopedPointer< QPlatformScreenPrivate > | d_ptr |
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QString | objectName |
the name of this object | |
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template< class T > T | qobject_cast (const QObject *object) |
Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr. | |
template< typename T > T | qFindChildqFindChildren (const QObject *obj, const QString &name)() |
template< typename T > QList< T > | qFindChildrenqFindChildren (const QObject *obj, const QString &name)() |
QObjectList | |
\macro Q_CLASSINFO(Name, Value) | |
Definition at line 35 of file qqnxscreen.h.
QQnxScreen::QQnxScreen | ( | screen_context_t | context, |
screen_display_t | display, | ||
bool | primaryScreen | ||
) |
Definition at line 81 of file qqnxscreen.cpp.
References QScreen::angleBetween(), determineScreenSize(), QString::fromUtf8(), QSize::height(), Qt::LandscapeOrientation, orientation(), Qt::PortraitOrientation, Q_SCREEN_CHECKERROR, Q_SCREEN_CRITICALERROR, qScreenDebug, QPlatformScreen::screen(), QSize::transposed(), and QSize::width().
QQnxScreen::~QQnxScreen | ( | ) |
Definition at line 126 of file qqnxscreen.cpp.
References Q_FOREACH, qScreenDebug, and QQnxWindow::setScreen().
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slot |
Definition at line 723 of file qqnxscreen.cpp.
References Q_FOREACH, qScreenDebug, rootWindow(), QQnxWindow::setExposed(), window(), and QPlatformWindow::window().
void QQnxScreen::addWindow | ( | QQnxWindow * | child | ) |
Definition at line 500 of file qqnxscreen.cpp.
References QListSpecialMethodsBase< T >::contains(), Qt::CoverWindow, Qt::Desktop, QList< T >::push_back(), QList< T >::push_front(), qScreenDebug, updateHierarchy(), and window().
Referenced by QQnxWindow::setParent(), and QQnxWindow::setScreen().
void QQnxScreen::adjustOrientation | ( | ) |
Definition at line 606 of file qqnxscreen.cpp.
References ok, qEnvironmentVariableIntValue(), rotation(), and setRotation().
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overridevirtual |
Reimplement in subclass to return the pixel geometry of the available space This normally is the desktop screen minus the task manager, global menubar etc.
Reimplemented from QPlatformScreen.
Definition at line 249 of file qqnxscreen.cpp.
References QRect::height(), qScreenDebug, QRect::width(), QRect::x(), and QRect::y().
Referenced by setRotation().
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overridevirtual |
Reimplement this function in subclass to return the cursor of the screen.
The default implementation returns \nullptr.
Reimplemented from QPlatformScreen.
Definition at line 618 of file qqnxscreen.cpp.
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slot |
Definition at line 742 of file qqnxscreen.cpp.
References Q_FOREACH, qScreenDebug, rootWindow(), and QQnxWindow::setExposed().
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overridevirtual |
Reimplement in subclass to return current depth of the screen.
Implements QPlatformScreen.
Definition at line 257 of file qqnxscreen.cpp.
References defaultDepth().
Referenced by format(), and nativeFormat().
QQnxWindow * QQnxScreen::findWindow | ( | screen_window_t | windowHandle | ) | const |
Definition at line 489 of file qqnxscreen.cpp.
References Q_FOREACH, and window().
Referenced by grabWindow(), and newWindowCreated().
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inlineoverridevirtual |
Reimplement in subclass to return the image format which corresponds to the screen format.
Implements QPlatformScreen.
Definition at line 47 of file qqnxscreen.h.
References depth(), QImage::Format_RGB16, and QImage::Format_RGB32.
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inlineoverridevirtual |
Reimplement in subclass to return the pixel geometry of the screen.
Implements QPlatformScreen.
Definition at line 44 of file qqnxscreen.h.
Referenced by QQnxInputContext::keyboardRect(), and setRotation().
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overridevirtual |
This function is called when Qt needs to be able to grab the content of a window.
Returns the content of the window specified with the WId handle within the boundaries of QRect(x,y,width,height).
Reimplemented from QPlatformScreen.
Definition at line 138 of file qqnxscreen.cpp.
References context, findWindow(), QImage::Format_ARGB32, QPixmap::fromImage(), QPlatformWindow::geometry(), QRect::height(), pixmap, qWarning, rect, QRect::width(), window(), QRect::x(), and QRect::y().
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inline |
Definition at line 57 of file qqnxscreen.h.
Referenced by setRotation().
void QQnxScreen::lowerWindow | ( | QQnxWindow * | window | ) |
Definition at line 548 of file qqnxscreen.cpp.
References QList< T >::push_front(), qScreenDebug, removeWindow(), and window().
Referenced by QQnxWindow::lower().
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inlineoverridevirtual |
Reimplemented from QPlatformScreen.
Definition at line 61 of file qqnxscreen.h.
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inline |
Definition at line 65 of file qqnxscreen.h.
Referenced by setRotation().
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inline |
Definition at line 64 of file qqnxscreen.h.
Referenced by newWindowCreated(), and QQnxWindow::setScreen().
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inline |
Definition at line 63 of file qqnxscreen.h.
References depth().
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overridevirtual |
Reimplement this function in subclass to return the native orientation of the screen, e.g.
the orientation where the logo sticker of the device appears the right way up.
The default implementation returns Qt::PrimaryOrientation.
Reimplemented from QPlatformScreen.
Definition at line 280 of file qqnxscreen.cpp.
Definition at line 654 of file qqnxscreen.cpp.
References QThread::currentThread(), findWindow(), foreignWindowCreated(), MAX_UNDERLAY_ZORDER, nativeDisplay(), Q_ASSERT, Q_EMIT, qWarning, QObject::thread(), and window().
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overridevirtual |
Reimplement this function in subclass to return the current orientation of the screen, for example based on accelerometer data to determine the device orientation.
The default implementation returns Qt::PrimaryOrientation.
Reimplemented from QPlatformScreen.
Definition at line 285 of file qqnxscreen.cpp.
References Qt::InvertedLandscapeOrientation, Qt::InvertedPortraitOrientation, Qt::LandscapeOrientation, Qt::PortraitOrientation, and qScreenDebug.
Referenced by QQnxScreen(), and setRotation().
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inlineoverridevirtual |
Reimplement this function in subclass to return the physical size of the screen, in millimeters.
The physical size represents the actual physical dimensions of the display.
The default implementation takes the pixel size of the screen, considers a resolution of 100 dots per inch, and returns the calculated physical size. A device with a screen that has different resolutions will need to be supported by a suitable reimplementation of this function.
Reimplemented from QPlatformScreen.
Definition at line 48 of file qqnxscreen.h.
void QQnxScreen::raiseWindow | ( | QQnxWindow * | window | ) |
Definition at line 538 of file qqnxscreen.cpp.
References QList< T >::push_back(), qScreenDebug, removeWindow(), and window().
Referenced by QQnxWindow::raise().
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overridevirtual |
Reimplement this function in subclass to return the vertical refresh rate of the screen, in Hz.
The default returns 60, a sensible default for modern displays.
Reimplemented from QPlatformScreen.
Definition at line 262 of file qqnxscreen.cpp.
References qScreenDebug, and qWarning.
void QQnxScreen::removeWindow | ( | QQnxWindow * | child | ) |
Definition at line 523 of file qqnxscreen.cpp.
References qScreenDebug, QList< T >::removeAll(), updateHierarchy(), and window().
Referenced by lowerWindow(), raiseWindow(), and QQnxWindow::setScreen().
QQnxWindow * QQnxScreen::rootWindow | ( | ) | const |
Definition at line 756 of file qqnxscreen.cpp.
Referenced by QQnxWindow::QQnxWindow(), activateWindowGroup(), deactivateWindowGroup(), QQnxWindow::requestActivateWindow(), setRotation(), updateHierarchy(), and windowGroupStateChanged().
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inline |
Definition at line 59 of file qqnxscreen.h.
Referenced by adjustOrientation(), and setRotation().
void QQnxScreen::setRootWindow | ( | QQnxWindow * | window | ) |
Definition at line 761 of file qqnxscreen.cpp.
References ok, qEnvironmentVariableIntValue(), qWarning, and window().
Referenced by QQnxWindow::QQnxWindow().
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slot |
Definition at line 332 of file qqnxscreen.cpp.
References availableGeometry(), geometry(), QWindowSystemInterface::handleScreenGeometryChange(), QWindowSystemInterface::handleScreenOrientationChange(), QRect::height(), QSize::height(), isOrthogonal(), isPrimaryScreen(), nativeContext(), orientation(), qScreenDebug, rootWindow(), rotation(), QPlatformScreen::screen(), QQnxWindow::setGeometry(), QQnxWindow::setRotation(), QRect::size(), QRect::width(), and QSize::width().
Referenced by adjustOrientation().
Return the given top level window for a given position.
Default implementation retrieves a list of all top level windows and finds the first window which contains point pos
Reimplemented from QPlatformScreen.
Definition at line 314 of file qqnxscreen.cpp.
References QRect::contains(), QWidget::geometry, it, QList< T >::rbegin(), QList< T >::rend(), win, and QWidget::window().
void QQnxScreen::updateHierarchy | ( | ) |
Definition at line 558 of file qqnxscreen.cpp.
References QList< T >::constBegin(), QList< T >::constEnd(), it, Q_FOREACH, qScreenDebug, qWarning, and rootWindow().
Referenced by QQnxWindow::~QQnxWindow(), addWindow(), QQnxWindow::lower(), QQnxWindow::raise(), removeWindow(), QQnxWindow::setParent(), and QQnxWindow::setScreen().
Definition at line 700 of file qqnxscreen.cpp.
References QThread::currentThread(), Q_ASSERT, QObject::thread(), and window().
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inline |
Definition at line 66 of file qqnxscreen.h.
References QByteArray::constData(), and QQnxWindow::groupName().
Referenced by QQnxWindow::setVisible().
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slot |
Definition at line 708 of file qqnxscreen.cpp.
References QWindowSystemInterface::handleWindowStateChanged(), qScreenDebug, rootWindow(), state, window(), and QPlatformWindow::window().