Struct gdk::DrawingContext

Tries to cast to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while downcast and upcast will do many checks at compile-time already. Read more

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fn dynamic_cast_ref<T>(&self) -> Option<&T>where
T: ObjectType,

Tries to cast to reference to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while downcast and upcast will do many checks at compile-time already. Read more

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unsafe fn unsafe_cast<T>(self) -> Twhere
T: ObjectType,

Casts to T unconditionally. Read more

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unsafe fn unsafe_cast_ref<T>(&self) -> &Twhere
T: ObjectType,

Casts to &T unconditionally. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ObjectExt for Twhere
T: ObjectType,

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fn is(&self) -> boolwhere
U: StaticType,

Returns true if the object is an instance of (can be cast to) T.

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fn get_type(&self) -> Type

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fn get_object_class(&self) -> &ObjectClass

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fn set_property<'a, N>(
 &self,
 property_name: N,
 value: &dyn ToValue
) -> Result<(), BoolError>where
 N: Into<&'a str>,

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fn get_property<'a, N>(&self, property_name: N) -> Result<Value, BoolError>where
N: Into<&'a str>,

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fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere
F: 'static + Fn(&T, &ParamSpec) + Send + Sync,

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unsafe fn connect_notify_unsafe<F>(
 &self,
 name: Option<&str>,
 f: F
) -> SignalHandlerIdwhere
 F: Fn(&T, &ParamSpec),

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fn notify<'a, N>(&self, property_name: N)where
N: Into<&'a str>,

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fn notify_by_pspec(&self, pspec: &ParamSpec)

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fn has_property<'a, N>(
 &self,
 property_name: N,
 type_: Option<Type>
) -> Result<(), BoolError>where
 N: Into<&'a str>,

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fn get_property_type<'a, N>(&self, property_name: N) -> Option<Type>where
N: Into<&'a str>,

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fn find_property<'a, N>(&self, property_name: N) -> Option<ParamSpec>where
N: Into<&'a str>,

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fn list_properties(&self) -> Vec<ParamSpec, Global>

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fn connect<'a, N, F>(
 &self,
 signal_name: N,
 after: bool,
 callback: F
) -> Result<SignalHandlerId, BoolError>where
 N: Into<&'a str>,
 F: 'static + Fn(&[Value]) -> Option<Value> + Send + Sync,

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unsafe fn connect_unsafe<'a, N, F>(
 &self,
 signal_name: N,
 after: bool,
 callback: F
) -> Result<SignalHandlerId, BoolError>where
 N: Into<&'a str>,
 F: Fn(&[Value]) -> Option<Value>,

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fn emit<'a, N>(
 &self,
 signal_name: N,
 args: &[&dyn ToValue]
) -> Result<Option<Value>, BoolError>where
 N: Into<&'a str>,

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fn downgrade(&self) -> WeakRef<T>

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fn bind_property<'a, O, N, M>(
 &'a self,
 source_property: N,
 target: &'a O,
 target_property: M
) -> BindingBuilder<'a>where
 O: ObjectType,
 N: Into<&'a str>,
 M: Into<&'a str>,

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fn ref_count(&self) -> u32

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impl<T> ToOwned for Twhere
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

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

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fn clone_into(&self, target: &mut T)

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

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impl<T> ToString for Twhere
T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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impl<T> ToValue for Twhere
T: SetValue + ?Sized,

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fn to_value(&self) -> Value

Returns a Value clone of self.

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fn to_value_type(&self) -> Type

Returns the type identifer of self. Read more

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impl<T, U> TryFrom for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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impl<T, U> TryInto for Twhere
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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Struct gdk::DrawingContext

Implementations

impl DrawingContext

pub fn get_cairo_context(&self) -> Option<Context>

pub fn get_clip(&self) -> Option<Region>

pub fn get_window(&self) -> Option<Window>

pub fn is_valid(&self) -> bool

Trait Implementations

impl Clone for DrawingContext

fn clone(&self) -> DrawingContext

fn clone_from(&mut self, source: &Self)

impl Debug for DrawingContext

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Display for DrawingContext

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Hash for DrawingContext

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher,

impl Ord for DrawingContext

fn cmp(&self, other: &DrawingContext) -> Ordering

fn max(self, other: Self) -> Self

fn min(self, other: Self) -> Self

fn clamp(self, min: Self, max: Self) -> Selfwhere Self: PartialOrd<Self>,

impl<T: ObjectType> PartialEq<T> for DrawingContext

fn eq(&self, other: &T) -> bool

fn ne(&self, other: &Rhs) -> bool

impl<T: ObjectType> PartialOrd<T> for DrawingContext

fn partial_cmp(&self, other: &T) -> Option<Ordering>

fn lt(&self, other: &Rhs) -> bool

fn le(&self, other: &Rhs) -> bool

fn gt(&self, other: &Rhs) -> bool

fn ge(&self, other: &Rhs) -> bool

impl StaticType for DrawingContext

fn static_type() -> Type

impl Eq for DrawingContext

Auto Trait Implementations

impl RefUnwindSafe for DrawingContext

impl !Send for DrawingContext

impl !Sync for DrawingContext

impl Unpin for DrawingContext

impl UnwindSafe for DrawingContext

Blanket Implementations

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> Cast for Twhere T: ObjectType,

fn upcast<T>(self) -> Twhere T: ObjectType, Self: IsA<T>,

fn upcast_ref<T>(&self) -> &Twhere T: ObjectType, Self: IsA<T>,

fn downcast<T>(self) -> Result<T, Self>where T: ObjectType, Self: CanDowncast<T>,

fn downcast_ref<T>(&self) -> Option<&T>where T: ObjectType, Self: CanDowncast<T>,

fn dynamic_cast<T>(self) -> Result<T, Self>where T: ObjectType,

fn dynamic_cast_ref<T>(&self) -> Option<&T>where T: ObjectType,

unsafe fn unsafe_cast<T>(self) -> Twhere T: ObjectType,

unsafe fn unsafe_cast_ref<T>(&self) -> &Twhere T: ObjectType,

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> ObjectExt for Twhere T: ObjectType,

fn is<U>(&self) -> boolwhere U: StaticType,

fn get_type(&self) -> Type

fn get_object_class(&self) -> &ObjectClass

fn set_property<'a, N>( &self, property_name: N, value: &dyn ToValue) -> Result<(), BoolError>where N: Into<&'a str>,

fn get_property<'a, N>(&self, property_name: N) -> Result<Value, BoolError>where N: Into<&'a str>,

fn block_signal(&self, handler_id: &SignalHandlerId)

fn unblock_signal(&self, handler_id: &SignalHandlerId)

fn stop_signal_emission(&self, signal_name: &str)

fn disconnect(&self, handler_id: SignalHandlerId)

fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: 'static + Fn(&T, &ParamSpec) + Send + Sync,

unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec),

fn notify<'a, N>(&self, property_name: N)where N: Into<&'a str>,

fn notify_by_pspec(&self, pspec: &ParamSpec)

fn has_property<'a, N>( &self, property_name: N, type_: Option<Type>) -> Result<(), BoolError>where N: Into<&'a str>,

fn get_property_type<'a, N>(&self, property_name: N) -> Option<Type>where N: Into<&'a str>,

fn find_property<'a, N>(&self, property_name: N) -> Option<ParamSpec>where N: Into<&'a str>,

fn list_properties(&self) -> Vec<ParamSpec, Global>

fn connect<'a, N, F>( &self, signal_name: N, after: bool, callback: F) -> Result<SignalHandlerId, BoolError>where N: Into<&'a str>, F: 'static + Fn(&[Value]) -> Option<Value> + Send + Sync,

fn hash<H: Hasher>(&self, state: &mut H)

fn hash_slice<H>(data: &[Self], state: &mut H)where
H: Hasher,

fn clamp(self, min: Self, max: Self) -> Selfwhere
Self: PartialOrd<Self>,

impl<T> Any for Twhere
T: 'static + ?Sized,

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

impl<T> Cast for Twhere
T: ObjectType,

fn upcast<T>(self) -> Twhere
T: ObjectType,
Self: IsA<T>,

fn upcast_ref<T>(&self) -> &Twhere
T: ObjectType,
Self: IsA<T>,

fn downcast<T>(self) -> Result<T, Self>where
T: ObjectType,
Self: CanDowncast<T>,

fn downcast_ref<T>(&self) -> Option<&T>where
T: ObjectType,
Self: CanDowncast<T>,

fn dynamic_cast<T>(self) -> Result<T, Self>where
T: ObjectType,

fn dynamic_cast_ref<T>(&self) -> Option<&T>where
T: ObjectType,

unsafe fn unsafe_cast<T>(self) -> Twhere
T: ObjectType,

unsafe fn unsafe_cast_ref<T>(&self) -> &Twhere
T: ObjectType,

impl<T, U> Into<U> for Twhere
U: From<T>,

impl<T> ObjectExt for Twhere
T: ObjectType,

fn is<U>(&self) -> boolwhere
U: StaticType,

fn set_property<'a, N>(
&self,
property_name: N,
value: &dyn ToValue
) -> Result<(), BoolError>where
N: Into<&'a str>,

fn get_property<'a, N>(&self, property_name: N) -> Result<Value, BoolError>where
N: Into<&'a str>,

fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere
F: 'static + Fn(&T, &ParamSpec) + Send + Sync,

unsafe fn connect_notify_unsafe<F>(
&self,
name: Option<&str>,
f: F
) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec),

fn notify<'a, N>(&self, property_name: N)where
N: Into<&'a str>,

fn has_property<'a, N>(
&self,
property_name: N,
type_: Option<Type>
) -> Result<(), BoolError>where
N: Into<&'a str>,

fn get_property_type<'a, N>(&self, property_name: N) -> Option<Type>where
N: Into<&'a str>,

fn find_property<'a, N>(&self, property_name: N) -> Option<ParamSpec>where
N: Into<&'a str>,

fn connect<'a, N, F>(
&self,
signal_name: N,
after: bool,
callback: F
) -> Result<SignalHandlerId, BoolError>where
N: Into<&'a str>,
F: 'static + Fn(&[Value]) -> Option<Value> + Send + Sync,

unsafe fn connect_unsafe<'a, N, F>(
&self,
signal_name: N,
after: bool,
callback: F
) -> Result<SignalHandlerId, BoolError>where
N: Into<&'a str>,
F: Fn(&[Value]) -> Option<Value>,

fn emit<'a, N>(
&self,
signal_name: N,
args: &[&dyn ToValue]
) -> Result<Option<Value>, BoolError>where
N: Into<&'a str>,

fn bind_property<'a, O, N, M>(
&'a self,
source_property: N,
target: &'a O,
target_property: M
) -> BindingBuilder<'a>where
O: ObjectType,
N: Into<&'a str>,
M: Into<&'a str>,

impl<T> ToOwned for Twhere
T: Clone,

impl<T> ToString for Twhere
T: Display + ?Sized,

impl<T> ToValue for Twhere
T: SetValue + ?Sized,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

impl<Super, Sub> CanDowncast<Sub> for Superwhere
Super: IsA<Super>,
Sub: IsA<Super>,