[−][src]Struct qt_widgets::QGraphicsObject
The QGraphicsObject class provides a base class for all graphics items that require signals, slots and properties.
C++ class: QGraphicsObject
.
The QGraphicsObject class provides a base class for all graphics items that require signals, slots and properties.
The class extends a QGraphicsItem with QObject's signal/slot and property mechanisms. It maps many of QGraphicsItem's basic setters and getters to properties and adds notification signals for many of them.
Methods
impl QGraphicsObject
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pub fn slot_update_micro_focus(&self) -> Receiver<()>
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Updates the item's micro focus. This is slot for convenience.
Returns a built-in Qt slot QGraphicsObject::updateMicroFocus
that can be passed to qt_core::Signal::connect
.
Updates the item's micro focus. This is slot for convenience.
This function was introduced in Qt 4.7.
See also QInputMethod.
pub fn parent_changed(&self) -> Signal<()>
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This signal gets emitted whenever the parent of the item changes
Returns a built-in Qt signal QGraphicsObject::parentChanged
that can be passed to qt_core::Signal::connect
.
This signal gets emitted whenever the parent of the item changes
Note: Notifier signal for property parent.
pub fn opacity_changed(&self) -> Signal<()>
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This signal gets emitted whenever the opacity of the item changes
Returns a built-in Qt signal QGraphicsObject::opacityChanged
that can be passed to qt_core::Signal::connect
.
This signal gets emitted whenever the opacity of the item changes
Note: Notifier signal for property opacity.
See also QGraphicsItem::opacity().
pub fn visible_changed(&self) -> Signal<()>
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This signal gets emitted whenever the visibility of the item changes
Returns a built-in Qt signal QGraphicsObject::visibleChanged
that can be passed to qt_core::Signal::connect
.
pub fn enabled_changed(&self) -> Signal<()>
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This signal gets emitted whenever the item get's enabled or disabled.
Returns a built-in Qt signal QGraphicsObject::enabledChanged
that can be passed to qt_core::Signal::connect
.
pub fn x_changed(&self) -> Signal<()>
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This signal gets emitted whenever the x position of the item changes
Returns a built-in Qt signal QGraphicsObject::xChanged
that can be passed to qt_core::Signal::connect
.
pub fn y_changed(&self) -> Signal<()>
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This signal gets emitted whenever the y position of the item changes.
Returns a built-in Qt signal QGraphicsObject::yChanged
that can be passed to qt_core::Signal::connect
.
pub fn z_changed(&self) -> Signal<()>
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This signal gets emitted whenever the z value of the item changes.
Returns a built-in Qt signal QGraphicsObject::zChanged
that can be passed to qt_core::Signal::connect
.
pub fn rotation_changed(&self) -> Signal<()>
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This signal gets emitted whenever the roation of the item changes.
Returns a built-in Qt signal QGraphicsObject::rotationChanged
that can be passed to qt_core::Signal::connect
.
This signal gets emitted whenever the roation of the item changes.
Note: Notifier signal for property rotation.
pub fn scale_changed(&self) -> Signal<()>
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This signal is emitted when the scale of the item changes.
Returns a built-in Qt signal QGraphicsObject::scaleChanged
that can be passed to qt_core::Signal::connect
.
This signal is emitted when the scale of the item changes.
Note: Notifier signal for property scale.
pub fn children_changed(&self) -> Signal<()>
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Returns a built-in Qt signal QGraphicsObject::childrenChanged
that can be passed to qt_core::Signal::connect
.
pub fn width_changed(&self) -> Signal<()>
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Returns a built-in Qt signal QGraphicsObject::widthChanged
that can be passed to qt_core::Signal::connect
.
pub fn height_changed(&self) -> Signal<()>
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Returns a built-in Qt signal QGraphicsObject::heightChanged
that can be passed to qt_core::Signal::connect
.
pub unsafe fn grab_gesture_2a(
&self,
type_: GestureType,
flags: QFlags<GestureFlag>
)
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&self,
type_: GestureType,
flags: QFlags<GestureFlag>
)
Subscribes the graphics object to the given gesture with specific flags.
Calls C++ function: void QGraphicsObject::grabGesture(Qt::GestureType type, QFlags<Qt::GestureFlag> flags = …)
.
Subscribes the graphics object to the given gesture with specific flags.
See also ungrabGesture() and QGestureEvent.
pub unsafe fn grab_gesture_1a(&self, type_: GestureType)
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Subscribes the graphics object to the given gesture with specific flags.
Calls C++ function: void QGraphicsObject::grabGesture(Qt::GestureType type)
.
Subscribes the graphics object to the given gesture with specific flags.
See also ungrabGesture() and QGestureEvent.
pub unsafe fn meta_object(&self) -> Ptr<QMetaObject>
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Calls C++ function: virtual const QMetaObject* QGraphicsObject::metaObject() const
.
pub unsafe fn qt_metacall(
&self,
arg1: Call,
arg2: c_int,
arg3: *mut *mut c_void
) -> c_int
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&self,
arg1: Call,
arg2: c_int,
arg3: *mut *mut c_void
) -> c_int
Calls C++ function: virtual int QGraphicsObject::qt_metacall(QMetaObject::Call arg1, int arg2, void** arg3)
.
pub unsafe fn qt_metacast(&self, arg1: *const c_char) -> *mut c_void
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Calls C++ function: virtual void* QGraphicsObject::qt_metacast(const char* arg1)
.
pub unsafe fn static_meta_object() -> Ref<QMetaObject>
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Returns a reference to the staticMetaObject
field.
pub unsafe fn tr(
s: *const c_char,
c: *const c_char,
n: c_int
) -> CppBox<QString>
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s: *const c_char,
c: *const c_char,
n: c_int
) -> CppBox<QString>
Calls C++ function: static QString QGraphicsObject::tr(const char* s, const char* c, int n)
.
pub unsafe fn tr_utf8(
s: *const c_char,
c: *const c_char,
n: c_int
) -> CppBox<QString>
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s: *const c_char,
c: *const c_char,
n: c_int
) -> CppBox<QString>
Calls C++ function: static QString QGraphicsObject::trUtf8(const char* s, const char* c, int n)
.
pub unsafe fn ungrab_gesture(&self, type_: GestureType)
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Unsubscribes the graphics object from the given gesture.
Calls C++ function: void QGraphicsObject::ungrabGesture(Qt::GestureType type)
.
Unsubscribes the graphics object from the given gesture.
See also grabGesture() and QGestureEvent.
Trait Implementations
impl CppDeletable for QGraphicsObject
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unsafe fn delete(&self)
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Destructor.
Calls C++ function: virtual [destructor] void QGraphicsObject::~QGraphicsObject()
.
Destructor.
impl Deref for QGraphicsObject
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type Target = QObject
The resulting type after dereferencing.
fn deref(&self) -> &QObject
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Calls C++ function: QObject* static_cast<QObject*>(QGraphicsObject* ptr)
.
impl DynamicCast<QGraphicsObject> for QObject
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unsafe fn dynamic_cast(ptr: Ptr<QObject>) -> Ptr<QGraphicsObject>
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Calls C++ function: QGraphicsObject* dynamic_cast<QGraphicsObject*>(QObject* ptr)
.
impl DynamicCast<QGraphicsObject> for QGraphicsItem
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unsafe fn dynamic_cast(ptr: Ptr<QGraphicsItem>) -> Ptr<QGraphicsObject>
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Calls C++ function: QGraphicsObject* dynamic_cast<QGraphicsObject*>(QGraphicsItem* ptr)
.
impl DynamicCast<QGraphicsProxyWidget> for QGraphicsObject
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unsafe fn dynamic_cast(ptr: Ptr<QGraphicsObject>) -> Ptr<QGraphicsProxyWidget>
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Calls C++ function: QGraphicsProxyWidget* dynamic_cast<QGraphicsProxyWidget*>(QGraphicsObject* ptr)
.
impl DynamicCast<QGraphicsTextItem> for QGraphicsObject
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unsafe fn dynamic_cast(ptr: Ptr<QGraphicsObject>) -> Ptr<QGraphicsTextItem>
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Calls C++ function: QGraphicsTextItem* dynamic_cast<QGraphicsTextItem*>(QGraphicsObject* ptr)
.
impl DynamicCast<QGraphicsWidget> for QGraphicsObject
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unsafe fn dynamic_cast(ptr: Ptr<QGraphicsObject>) -> Ptr<QGraphicsWidget>
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Calls C++ function: QGraphicsWidget* dynamic_cast<QGraphicsWidget*>(QGraphicsObject* ptr)
.
impl StaticDowncast<QGraphicsObject> for QObject
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unsafe fn static_downcast(ptr: Ptr<QObject>) -> Ptr<QGraphicsObject>
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Calls C++ function: QGraphicsObject* static_cast<QGraphicsObject*>(QObject* ptr)
.
impl StaticDowncast<QGraphicsObject> for QGraphicsItem
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unsafe fn static_downcast(ptr: Ptr<QGraphicsItem>) -> Ptr<QGraphicsObject>
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Calls C++ function: QGraphicsObject* static_cast<QGraphicsObject*>(QGraphicsItem* ptr)
.
impl StaticDowncast<QGraphicsProxyWidget> for QGraphicsObject
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unsafe fn static_downcast(
ptr: Ptr<QGraphicsObject>
) -> Ptr<QGraphicsProxyWidget>
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ptr: Ptr<QGraphicsObject>
) -> Ptr<QGraphicsProxyWidget>
Calls C++ function: QGraphicsProxyWidget* static_cast<QGraphicsProxyWidget*>(QGraphicsObject* ptr)
.
impl StaticDowncast<QGraphicsTextItem> for QGraphicsObject
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unsafe fn static_downcast(ptr: Ptr<QGraphicsObject>) -> Ptr<QGraphicsTextItem>
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Calls C++ function: QGraphicsTextItem* static_cast<QGraphicsTextItem*>(QGraphicsObject* ptr)
.
impl StaticDowncast<QGraphicsWidget> for QGraphicsObject
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unsafe fn static_downcast(ptr: Ptr<QGraphicsObject>) -> Ptr<QGraphicsWidget>
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Calls C++ function: QGraphicsWidget* static_cast<QGraphicsWidget*>(QGraphicsObject* ptr)
.
impl StaticUpcast<QGraphicsItem> for QGraphicsObject
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unsafe fn static_upcast(ptr: Ptr<QGraphicsObject>) -> Ptr<QGraphicsItem>
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Calls C++ function: QGraphicsItem* static_cast<QGraphicsItem*>(QGraphicsObject* ptr)
.
impl StaticUpcast<QGraphicsObject> for QGraphicsTextItem
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unsafe fn static_upcast(ptr: Ptr<QGraphicsTextItem>) -> Ptr<QGraphicsObject>
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Calls C++ function: QGraphicsObject* static_cast<QGraphicsObject*>(QGraphicsTextItem* ptr)
.
impl StaticUpcast<QGraphicsObject> for QGraphicsWidget
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unsafe fn static_upcast(ptr: Ptr<QGraphicsWidget>) -> Ptr<QGraphicsObject>
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Calls C++ function: QGraphicsObject* static_cast<QGraphicsObject*>(QGraphicsWidget* ptr)
.
impl StaticUpcast<QGraphicsObject> for QGraphicsProxyWidget
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unsafe fn static_upcast(ptr: Ptr<QGraphicsProxyWidget>) -> Ptr<QGraphicsObject>
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Calls C++ function: QGraphicsObject* static_cast<QGraphicsObject*>(QGraphicsProxyWidget* ptr)
.
impl StaticUpcast<QObject> for QGraphicsObject
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unsafe fn static_upcast(ptr: Ptr<QGraphicsObject>) -> Ptr<QObject>
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Calls C++ function: QObject* static_cast<QObject*>(QGraphicsObject* ptr)
.
Auto Trait Implementations
impl RefUnwindSafe for QGraphicsObject
impl Send for QGraphicsObject
impl Sync for QGraphicsObject
impl Unpin for QGraphicsObject
impl UnwindSafe for QGraphicsObject
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T, U> CastInto<U> for T where
U: CastFrom<T>,
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U: CastFrom<T>,
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> StaticUpcast<T> for T
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unsafe fn static_upcast(ptr: Ptr<T>) -> Ptr<T>
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,