Struct gdk::Screen

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 block_signal(&self, handler_id: &SignalHandlerId)

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fn unblock_signal(&self, handler_id: &SignalHandlerId)

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fn stop_signal_emission(&self, signal_name: &str)

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fn disconnect(&self, handler_id: SignalHandlerId)

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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::Screen

Implementations

impl Screen

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

pub fn get_display(&self) -> Display

pub fn get_height(&self) -> i32

pub fn get_height_mm(&self) -> i32

pub fn get_monitor_at_point(&self, x: i32, y: i32) -> i32

pub fn get_monitor_at_window<P: IsA<Window>>(&self, window: &P) -> i32

pub fn get_monitor_geometry(&self, monitor_num: i32) -> Rectangle

pub fn get_monitor_height_mm(&self, monitor_num: i32) -> i32

pub fn get_monitor_plug_name(&self, monitor_num: i32) -> Option<GString>

pub fn get_monitor_scale_factor(&self, monitor_num: i32) -> i32

pub fn get_monitor_width_mm(&self, monitor_num: i32) -> i32

pub fn get_monitor_workarea(&self, monitor_num: i32) -> Rectangle

pub fn get_n_monitors(&self) -> i32

pub fn get_number(&self) -> i32

pub fn get_primary_monitor(&self) -> i32

pub fn get_resolution(&self) -> f64

pub fn get_rgba_visual(&self) -> Option<Visual>

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

pub fn get_system_visual(&self) -> Option<Visual>

pub fn get_toplevel_windows(&self) -> Vec<Window>

pub fn get_width(&self) -> i32

pub fn get_width_mm(&self) -> i32

pub fn get_window_stack(&self) -> Vec<Window>

pub fn is_composited(&self) -> bool

pub fn list_visuals(&self) -> Vec<Visual>

pub fn make_display_name(&self) -> GString

pub fn set_font_options(&self, options: Option<&FontOptions>)

pub fn set_resolution(&self, dpi: f64)

pub fn get_default() -> Option<Screen>

pub fn height() -> i32

pub fn height_mm() -> i32

pub fn width() -> i32

pub fn width_mm() -> i32

pub fn connect_composited_changed<F: Fn(&Screen) + 'static>( &self, f: F) -> SignalHandlerId

pub fn connect_monitors_changed<F: Fn(&Screen) + 'static>( &self, f: F) -> SignalHandlerId

pub fn connect_size_changed<F: Fn(&Screen) + 'static>( &self, f: F) -> SignalHandlerId

pub fn connect_property_font_options_notify<F: Fn(&Screen) + 'static>( &self, f: F) -> SignalHandlerId

pub fn connect_property_resolution_notify<F: Fn(&Screen) + 'static>( &self, f: F) -> SignalHandlerId

impl Screen

pub fn get_font_options(&self) -> Option<FontOptions>

pub fn get_setting(&self, name: &str) -> Option<Value>

Trait Implementations

impl Clone for Screen

fn clone(&self) -> Screen

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

impl Debug for Screen

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

impl Display for Screen

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

impl Hash for Screen

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

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

impl Ord for Screen

fn cmp(&self, other: &Screen) -> 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 Screen

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

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

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

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 Screen

fn static_type() -> Type

impl Eq for Screen

Auto Trait Implementations

impl RefUnwindSafe for Screen

impl !Send for Screen

impl !Sync for Screen

impl Unpin for Screen

impl UnwindSafe for Screen

Blanket Implementations

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

pub fn connect_composited_changed<F: Fn(&Screen) + 'static>(
&self,
f: F
) -> SignalHandlerId

pub fn connect_monitors_changed<F: Fn(&Screen) + 'static>(
&self,
f: F
) -> SignalHandlerId

pub fn connect_size_changed<F: Fn(&Screen) + 'static>(
&self,
f: F
) -> SignalHandlerId

pub fn connect_property_font_options_notify<F: Fn(&Screen) + 'static>(
&self,
f: F
) -> SignalHandlerId

pub fn connect_property_resolution_notify<F: Fn(&Screen) + 'static>(
&self,
f: F
) -> SignalHandlerId

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>,