[−][src]Struct pushrod::widget::widget::CanvasWidget
Base Widget
object. Displays a blank canvas, with the color set by the CONFIG_MAIN_COLOR
configuration option. Defaults to white.
Methods
impl CanvasWidget
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Trait Implementations
impl Drawable for CanvasWidget
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fn draw(&mut self, c: Context, g: &mut GlGraphics, clip: &DrawState)
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fn draw_with_offset(
&mut self,
c: Context,
g: &mut GlGraphics,
clip: &DrawState,
point_offset: Point
)
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&mut self,
c: Context,
g: &mut GlGraphics,
clip: &DrawState,
point_offset: Point
)
Draws an object at an offset on the screen. This is a convenience method that is used by other Widget
s that contain multiple widgets. Draw with offset always uses 0x0 as the starting drawing coordinates, as this is what will be drawn within the bounds of the Widget
. (See CheckboxWidget
and ImageButtonWidget
for good examples of this use.) Read more
impl InjectableSystemEvents for CanvasWidget
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fn inject_system_event(&mut self) -> Option<CallbackEvent>
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impl InjectableCustomEvents for CanvasWidget
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fn inject_custom_event(&mut self, _widget_id: i32) -> Option<CallbackEvent>
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Injects an event into the run loop. This can be a timer event, a refresh event, or whatever the Widget
wants to inject. These should be custom events, not system events. This method only gets called if injects_events
returns true
. Read more
impl Widget for CanvasWidget
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fn config(&mut self) -> &mut Configurable
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fn set_size(&mut self, config: u8, w: i32, h: i32)
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fn set_point(&mut self, config: u8, x: i32, y: i32)
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fn set_widget_id(&mut self, widget_id: i32)
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fn get_widget_id(&mut self) -> i32
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fn get_injectable_custom_events(&mut self) -> &mut dyn InjectableCustomEvents
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fn get_injectable_system_events(&mut self) -> &mut dyn InjectableSystemEvents
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fn get_drawable(&mut self) -> &mut dyn Drawable
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fn invalidate(&mut self)
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Indicates that a Widget
object needs to be repainted.
fn clear_invalidate(&mut self)
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Clears the invalidation flag. Set this when the draw
function completes. Otherwise, this Widget
object may be continuously repainted. Read more
fn is_invalidated(&mut self) -> bool
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Indicates whether or not a Widget
needs to be repainted.
fn set_config(&mut self, config: u8, config_value: Config)
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Master config setter - use convenience methods.
fn get_config(&mut self, config: u8) -> Option<&Config>
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Master config getter - use convenience methods.
fn set_color(&mut self, config: u8, color: Color)
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Sets a color for a configuration key.
fn set_numeric(&mut self, config: u8, value: u64)
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Sets a numeric value for a configuration key.
fn set_text(&mut self, config: u8, text: String)
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Sets a text value for a configuration key.
fn set_toggle(&mut self, config: u8, flag: bool)
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Sets a toggle value for a configuration key.
fn handle_event(
&mut self,
_injected: bool,
_event: CallbackEvent,
_widget_store: Option<&Vec<WidgetContainer>>
) -> Option<CallbackEvent>
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&mut self,
_injected: bool,
_event: CallbackEvent,
_widget_store: Option<&Vec<WidgetContainer>>
) -> Option<CallbackEvent>
Custom handler to receive an event. Any Widget
that implements this does so to handle top-level GUI events, such as a mouse entering or exiting the bounds of this Widget
. If the injected
flag is set, it indicates that the event supplied was generate by a Widget
, and not by the run loop. Read more
fn handles_events(&mut self) -> bool
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Indicates to the run loop whether or not the Widget
handles system-generated events.
fn injects_custom_events(&mut self) -> bool
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If this Widget
provides custom injected events that are generated outside of the handle_event
loop, indicate true
. Only override if necessary. (See TimerWidget
for reference.) Read more
fn is_drawable(&mut self) -> bool
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Describes whether or not the Widget
returns a Drawable
trait. This function is called each time a frame is refreshed, so if there is no Drawable
available, this function could serve as a way to indicate a frame tick. Only override this to set it to false
if your Widget
does not draw anything on the screen. Read more
fn injects_system_events(&mut self) -> bool
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Indicates to the run loop whether or not a Widget
injects system-level events.
Auto Trait Implementations
impl Send for CanvasWidget
impl Unpin for CanvasWidget
impl Sync for CanvasWidget
impl UnwindSafe for CanvasWidget
impl RefUnwindSafe for CanvasWidget
Blanket Implementations
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, 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>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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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> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> SetParameter for T
fn set<T>(&mut self, value: T) -> <T as Parameter<Self>>::Result where
T: Parameter<Self>,
T: Parameter<Self>,
Sets value
as a parameter of self
.