73 lines
1.6 KiB
Rust
73 lines
1.6 KiB
Rust
mod button;
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mod column;
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mod element;
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mod text;
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mod tree;
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pub use button::Button;
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pub use column::Column;
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pub use element::Element;
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pub use text::Text;
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pub use tree::Tree;
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use iced_native::event::{self, Event};
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use iced_native::layout::{self, Layout};
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use iced_native::mouse;
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use iced_native::renderer;
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use iced_native::{Clipboard, Hasher, Length, Point, Rectangle, Shell};
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use std::any::{self, Any};
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pub trait Widget<Message, Renderer> {
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fn tag(&self) -> any::TypeId;
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fn state(&self) -> Box<dyn Any>;
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fn children(&self) -> &[Element<Message, Renderer>];
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fn width(&self) -> Length;
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fn height(&self) -> Length;
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fn hash_layout(&self, state: &mut Hasher);
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fn layout(
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&self,
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renderer: &Renderer,
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limits: &layout::Limits,
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) -> layout::Node;
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fn draw(
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&self,
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state: &Tree<Message, Renderer>,
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renderer: &mut Renderer,
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style: &renderer::Style,
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layout: Layout<'_>,
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cursor_position: Point,
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viewport: &Rectangle,
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);
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fn mouse_interaction(
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&self,
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_state: &Tree<Message, Renderer>,
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_layout: Layout<'_>,
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_cursor_position: Point,
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_viewport: &Rectangle,
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_renderer: &Renderer,
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) -> mouse::Interaction {
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mouse::Interaction::Idle
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}
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fn on_event(
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&mut self,
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_state: &mut Tree<Message, Renderer>,
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_event: Event,
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_layout: Layout<'_>,
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_cursor_position: Point,
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_renderer: &Renderer,
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_clipboard: &mut dyn Clipboard,
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_shell: &mut Shell<'_, Message>,
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) -> event::Status {
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event::Status::Ignored
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}
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}
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