zng::mouse

Struct MouseClickArgs

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pub struct MouseClickArgs {
    pub timestamp: DInstant,
    pub window_id: WindowId,
    pub device_id: DeviceId,
    pub button: MouseButton,
    pub position: Point2D<Dip, Dip>,
    pub modifiers: ModifiersState,
    pub click_count: NonZero<u32>,
    pub is_repeat: bool,
    pub hits: HitTestInfo,
    pub target: InteractionPath,
    /* private fields */
}
Expand description

MOUSE_CLICK_EVENT arguments.

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§timestamp: DInstant

Instant the event happened.

§window_id: WindowId

Id of window that received the event.

§device_id: DeviceId

Id of device that generated the event.

§button: MouseButton

Which mouse button generated the event.

§position: Point2D<Dip, Dip>

Position of the mouse in the coordinates of target.

§modifiers: ModifiersState

What modifier keys where pressed when this event happened.

§click_count: NonZero<u32>

Count of clicks within the double-click interval. Number 1 is single click, 2 is double click, etc.

Auto repeated clicks also increment this count.

§is_repeat: bool

If the event was generated by holding the button pressed over a widget with ClickMode::repeat.

§hits: HitTestInfo

Hit-test result for the mouse point in the window, at the moment the click event was generated.

§target: InteractionPath

Full path to the widget that got clicked.

A widget is clicked if the mouse down and mouse up happen in sequence in the same widget. Subsequent clicks (double, triple) happen on mouse down.

If a mouse down happen in a child widget and the pointer is dragged to a larger parent widget and then let go (mouse up), the click target is the parent widget.

Multi-clicks (click_count > 1) only happen to the same target.

Implementations§

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impl MouseClickArgs

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pub fn new( timestamp: impl Into<DInstant>, propagation_handle: EventPropagationHandle, window_id: impl Into<WindowId>, device_id: impl Into<DeviceId>, button: impl Into<MouseButton>, position: impl Into<Point2D<Dip, Dip>>, modifiers: impl Into<ModifiersState>, click_count: impl Into<NonZero<u32>>, is_repeat: impl Into<bool>, hits: impl Into<HitTestInfo>, target: impl Into<InteractionPath>, ) -> MouseClickArgs

New args from values that convert into the argument types.

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pub fn now( window_id: impl Into<WindowId>, device_id: impl Into<DeviceId>, button: impl Into<MouseButton>, position: impl Into<Point2D<Dip, Dip>>, modifiers: impl Into<ModifiersState>, click_count: impl Into<NonZero<u32>>, is_repeat: impl Into<bool>, hits: impl Into<HitTestInfo>, target: impl Into<InteractionPath>, ) -> MouseClickArgs

Arguments for event that happened now (INSTANT.now).

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impl MouseClickArgs

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pub fn is_enabled(&self, widget_id: WidgetId) -> bool

Returns true if the widget is enabled in target.

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pub fn is_disabled(&self, widget_id: WidgetId) -> bool

Returns true if the widget is disabled in target.

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pub fn is_primary(&self) -> bool

If the button is the primary.

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pub fn is_context(&self) -> bool

If the button is the context (right).

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pub fn is_single(&self) -> bool

If the click_count is 1.

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pub fn is_double(&self) -> bool

If the click_count is 2.

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pub fn is_triple(&self) -> bool

If the click_count is 3.

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pub fn position_wgt(&self) -> Option<Point2D<Px, Px>>

Gets position in the widget inner bounds.

Trait Implementations§

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impl AnyEventArgs for MouseClickArgs

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fn delivery_list(&self, list: &mut UpdateDeliveryList)

The target.

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fn clone_any(&self) -> Box<dyn AnyEventArgs>

Clone the event into a type erased box.
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fn as_any(&self) -> &(dyn Any + 'static)

Access to dyn Any methods.
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fn timestamp(&self) -> DInstant

Gets the instant this event happened.
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fn propagation(&self) -> &EventPropagationHandle

Propagation handle associated with this event instance. Read more
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impl Clone for MouseClickArgs

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fn clone(&self) -> MouseClickArgs

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for MouseClickArgs

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

Formats the value using the given formatter. Read more
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impl EventArgs for MouseClickArgs

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fn handle<F, R>(&self, handler: F) -> Option<R>
where F: FnOnce(&Self) -> R,

Calls handler and stops propagation if propagation is still allowed. Read more
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impl From<MouseClickArgs> for ClickArgs

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fn from(args: MouseClickArgs) -> ClickArgs

Converts to this type from the input type.

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