pub struct ActorCanvas(/* private fields */);
Implementations§
Source§impl ActorCanvas
impl ActorCanvas
Sourcepub fn new() -> Option<Content>
pub fn new() -> Option<Content>
Creates a new instance of Canvas
.
You should call CanvasExt::set_size
to set the size of the canvas.
You should call Content::invalidate
every time you wish to
draw the contents of the canvas.
§Returns
The newly allocated instance of
Canvas
. Use gobject::ObjectExt::unref
when done.
Trait Implementations§
Source§impl Clone for ActorCanvas
impl Clone for ActorCanvas
Source§fn clone(&self) -> ActorCanvas
fn clone(&self) -> ActorCanvas
Returns a duplicate of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moreSource§impl Debug for ActorCanvas
impl Debug for ActorCanvas
Source§impl Display for ActorCanvas
impl Display for ActorCanvas
Source§impl Hash for ActorCanvas
impl Hash for ActorCanvas
Source§impl Ord for ActorCanvas
impl Ord for ActorCanvas
Source§fn cmp(&self, other: &ActorCanvas) -> Ordering
fn cmp(&self, other: &ActorCanvas) -> Ordering
1.21.0 · Source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the maximum of two values. Read more
Source§impl<T: ObjectType> PartialEq<T> for ActorCanvas
impl<T: ObjectType> PartialEq<T> for ActorCanvas
Source§impl<T: ObjectType> PartialOrd<T> for ActorCanvas
impl<T: ObjectType> PartialOrd<T> for ActorCanvas
Source§impl StaticType for ActorCanvas
impl StaticType for ActorCanvas
Source§fn static_type() -> Type
fn static_type() -> Type
Returns the type identifier of
Self
.impl Eq for ActorCanvas
impl Is<ActorCanvas> for ActorCanvas
impl IsA<Content> for ActorCanvas
impl Object for ActorCanvas
Auto Trait Implementations§
impl Freeze for ActorCanvas
impl RefUnwindSafe for ActorCanvas
impl !Send for ActorCanvas
impl !Sync for ActorCanvas
impl Unpin for ActorCanvas
impl UnwindSafe for ActorCanvas
Blanket Implementations§
Source§impl<O> ActorCanvasExt for Owhere
O: IsA<ActorCanvas>,
impl<O> ActorCanvasExt for Owhere
O: IsA<ActorCanvas>,
Source§fn get_scale_factor(&self) -> i32
fn get_scale_factor(&self) -> i32
Source§fn set_scale_factor(&self, scale: i32)
fn set_scale_factor(&self, scale: i32)
Sets the scaling factor for the Cairo surface used by
self
. Read moreSource§fn set_size(&self, width: i32, height: i32) -> bool
fn set_size(&self, width: i32, height: i32) -> bool
Sets the size of the
self
, and invalidates the content. Read moreSource§fn get_property_height(&self) -> i32
fn get_property_height(&self) -> i32
The height of the canvas.
Source§fn set_property_height(&self, height: i32)
fn set_property_height(&self, height: i32)
The height of the canvas.
Source§fn get_property_scale_factor_set(&self) -> bool
fn get_property_scale_factor_set(&self) -> bool
Whether the
Canvas:scale-factor
property is set. Read moreSource§fn get_property_width(&self) -> i32
fn get_property_width(&self) -> i32
The width of the canvas.
Source§fn set_property_width(&self, width: i32)
fn set_property_width(&self, width: i32)
The width of the canvas.
Source§fn connect_draw<F>(&self, f: F) -> SignalHandlerId
fn connect_draw<F>(&self, f: F) -> SignalHandlerId
The
Canvas::draw
signal is emitted each time a canvas is
invalidated. Read morefn connect_property_height_notify<F>(&self, f: F) -> SignalHandlerId
fn connect_property_scale_factor_notify<F>(&self, f: F) -> SignalHandlerId
fn connect_property_scale_factor_set_notify<F>(&self, f: F) -> SignalHandlerId
fn connect_property_width_notify<F>(&self, f: F) -> SignalHandlerId
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> Cast for Twhere
T: ObjectType,
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T: ObjectType,
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fn upcast_ref<T>(&self) -> &Twhere
T: ObjectType,
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fn downcast<T>(self) -> Result<T, Self>where
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T: ObjectType,
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T
. This handles upcasting, downcasting
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unsafe fn unsafe_cast<T>(self) -> Twhere
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unsafe fn unsafe_cast_ref<T>(&self) -> &Twhere
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Source§impl<O> ContentExt for O
impl<O> ContentExt for O
Source§fn get_preferred_size(&self) -> Option<(f32, f32)>
fn get_preferred_size(&self) -> Option<(f32, f32)>
Retrieves the natural size of the
self
, if any. Read moreSource§fn invalidate(&self)
fn invalidate(&self)
Invalidates a
Content
. Read moreSource§fn connect_attached<F>(&self, f: F) -> SignalHandlerId
fn connect_attached<F>(&self, f: F) -> SignalHandlerId
Source§fn connect_detached<F>(&self, f: F) -> SignalHandlerId
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