101 lines
3.2 KiB
Rust
101 lines
3.2 KiB
Rust
use cosmic::iced::advanced::widget::{Id, Operation, Tree, tree};
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use cosmic::iced::advanced::{Clipboard, Layout, Shell, Widget, layout, mouse, overlay, renderer};
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use cosmic::iced::event::Event;
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use cosmic::iced::{Length, Rectangle, Size, Vector};
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use std::marker::PhantomData;
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#[allow(dead_code)]
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pub fn mouse_interaction_wrapper<'a, Msg, T: Into<cosmic::Element<'a, Msg>>>(
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mouse_interaction: mouse::Interaction,
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content: T,
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) -> MouseInteractionWrapper<'a, Msg> {
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MouseInteractionWrapper {
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content: content.into(),
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mouse_interaction,
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_msg: PhantomData,
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}
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}
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pub struct MouseInteractionWrapper<'a, Msg> {
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content: cosmic::Element<'a, Msg>,
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mouse_interaction: mouse::Interaction,
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_msg: PhantomData<Msg>,
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}
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impl<Msg> Widget<Msg, cosmic::Theme, cosmic::Renderer> for MouseInteractionWrapper<'_, Msg> {
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delegate::delegate! {
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to self.content.as_widget() {
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fn tag(&self) -> tree::Tag;
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fn state(&self) -> tree::State;
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fn children(&self) -> Vec<Tree>;
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fn size(&self) -> Size<Length>;
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fn size_hint(&self) -> Size<Length>;
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fn draw(
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&self,
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state: &Tree,
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renderer: &mut cosmic::Renderer,
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theme: &cosmic::Theme,
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style: &renderer::Style,
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layout: Layout<'_>,
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cursor: mouse::Cursor,
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viewport: &Rectangle,
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);
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fn id(&self) -> Option<Id>;
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}
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to self.content.as_widget_mut() {
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fn diff(&mut self, tree: &mut Tree);
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fn update(
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&mut self,
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tree: &mut Tree,
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event: &Event,
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layout: Layout<'_>,
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cursor: mouse::Cursor,
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renderer: &cosmic::Renderer,
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clipboard: &mut dyn Clipboard,
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shell: &mut Shell<'_, Msg>,
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viewport: &Rectangle,
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);
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fn overlay<'b>(
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&'b mut self,
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tree: &'b mut Tree,
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layout: Layout<'b>,
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renderer: &cosmic::Renderer,
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viewport: &Rectangle,
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translation: Vector,
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) -> Option<overlay::Element<'b, Msg, cosmic::Theme, cosmic::Renderer>>;
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fn set_id(&mut self, id: Id);
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fn layout(
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&mut self,
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tree: &mut Tree,
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renderer: &cosmic::Renderer,
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limits: &layout::Limits,
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) -> layout::Node;
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fn operate(
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&mut self,
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tree: &mut Tree,
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layout: Layout<'_>,
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renderer: &cosmic::Renderer,
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operation: &mut dyn Operation<()>,
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);
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}
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}
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fn mouse_interaction(
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&self,
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_tree: &Tree,
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_layout: Layout<'_>,
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_cursor: mouse::Cursor,
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_viewport: &Rectangle,
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_renderer: &cosmic::Renderer,
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) -> mouse::Interaction {
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self.mouse_interaction
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}
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}
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impl<'a, Msg: 'static> From<MouseInteractionWrapper<'a, Msg>> for cosmic::Element<'a, Msg> {
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fn from(widget: MouseInteractionWrapper<'a, Msg>) -> Self {
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cosmic::Element::new(widget)
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}
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}
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