Struct qmetaobject::QPointer[−][src]

pub struct QPointer<T: QObject + ?Sized>(_, _);
Expand description

A Wrapper around a QPointer

Implementations

impl<T: QObject + ?Sized> QPointer<T>[src]

pub fn cpp_ptr(&self) -> *mut c_void[src]

Returns a pointer to the cpp object (null if it was deleted)

pub fn as_ref(&self) -> Option<&T>[src]

Returns a reference to the QObject, or None if it was deleted

pub fn is_null(&self) -> bool[src]

Returns true if the object was default constructed or constructed with an object which is now deleted

impl<T: QObject> QPointer<T>[src]

pub fn as_pinned(&self) -> Option<QObjectPinned<'_, T>>[src]

Returns a pinned reference to the QObject, or None if it was deleted

Trait Implementations

impl<T: QObject + ?Sized> Clone for QPointer<T>[src]

fn clone(&self) -> Self[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl<T: QObject> Default for QPointer<T>[src]

fn default() -> Self[src]

Returns the “default value” for a type. Read more

impl<'a, T: QObject + ?Sized> From<&'a T> for QPointer<T>[src]

fn from(obj: &'a T) -> Self[src]

Creates a QPointer from a reference to a QObject. The corresponding C++ object must have already been created.

impl<T> PropertyType for QPointer<T> where
    T: QObject, [src]

fn register_type(_name: &CStr) -> i32[src]

unsafe fn pass_to_qt(&mut self, a: *mut c_void)[src]

unsafe fn read_from_qt(a: *const c_void) -> Self[src]

Auto Trait Implementations

impl<T: ?Sized> RefUnwindSafe for QPointer<T> where
    T: RefUnwindSafe, 

impl<T> !Send for QPointer<T>

impl<T> !Sync for QPointer<T>

impl<T: ?Sized> Unpin for QPointer<T>

impl<T: ?Sized> UnwindSafe for QPointer<T> where
    T: RefUnwindSafe, 

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)[src]

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.