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-rw-r--r--native/src/overlay/element.rs270
1 files changed, 0 insertions, 270 deletions
diff --git a/native/src/overlay/element.rs b/native/src/overlay/element.rs
deleted file mode 100644
index 237d25d1..00000000
--- a/native/src/overlay/element.rs
+++ /dev/null
@@ -1,270 +0,0 @@
-pub use crate::Overlay;
-
-use crate::event::{self, Event};
-use crate::layout;
-use crate::mouse;
-use crate::renderer;
-use crate::widget;
-use crate::{Clipboard, Layout, Point, Rectangle, Shell, Size, Vector};
-
-use std::any::Any;
-
-/// A generic [`Overlay`].
-#[allow(missing_debug_implementations)]
-pub struct Element<'a, Message, Renderer> {
- position: Point,
- overlay: Box<dyn Overlay<Message, Renderer> + 'a>,
-}
-
-impl<'a, Message, Renderer> Element<'a, Message, Renderer>
-where
- Renderer: crate::Renderer,
-{
- /// Creates a new [`Element`] containing the given [`Overlay`].
- pub fn new(
- position: Point,
- overlay: Box<dyn Overlay<Message, Renderer> + 'a>,
- ) -> Self {
- Self { position, overlay }
- }
-
- /// Returns the position of the [`Element`].
- pub fn position(&self) -> Point {
- self.position
- }
-
- /// Translates the [`Element`].
- pub fn translate(mut self, translation: Vector) -> Self {
- self.position = self.position + translation;
- self
- }
-
- /// Applies a transformation to the produced message of the [`Element`].
- pub fn map<B>(self, f: &'a dyn Fn(Message) -> B) -> Element<'a, B, Renderer>
- where
- Message: 'a,
- Renderer: 'a,
- B: 'a,
- {
- Element {
- position: self.position,
- overlay: Box::new(Map::new(self.overlay, f)),
- }
- }
-
- /// Computes the layout of the [`Element`] in the given bounds.
- pub fn layout(
- &self,
- renderer: &Renderer,
- bounds: Size,
- translation: Vector,
- ) -> layout::Node {
- self.overlay
- .layout(renderer, bounds, self.position + translation)
- }
-
- /// Processes a runtime [`Event`].
- pub fn on_event(
- &mut self,
- event: Event,
- layout: Layout<'_>,
- cursor_position: Point,
- renderer: &Renderer,
- clipboard: &mut dyn Clipboard,
- shell: &mut Shell<'_, Message>,
- ) -> event::Status {
- self.overlay.on_event(
- event,
- layout,
- cursor_position,
- renderer,
- clipboard,
- shell,
- )
- }
-
- /// Returns the current [`mouse::Interaction`] of the [`Element`].
- pub fn mouse_interaction(
- &self,
- layout: Layout<'_>,
- cursor_position: Point,
- viewport: &Rectangle,
- renderer: &Renderer,
- ) -> mouse::Interaction {
- self.overlay.mouse_interaction(
- layout,
- cursor_position,
- viewport,
- renderer,
- )
- }
-
- /// Draws the [`Element`] and its children using the given [`Layout`].
- pub fn draw(
- &self,
- renderer: &mut Renderer,
- theme: &Renderer::Theme,
- style: &renderer::Style,
- layout: Layout<'_>,
- cursor_position: Point,
- ) {
- self.overlay
- .draw(renderer, theme, style, layout, cursor_position)
- }
-
- /// Applies a [`widget::Operation`] to the [`Element`].
- pub fn operate(
- &mut self,
- layout: Layout<'_>,
- renderer: &Renderer,
- operation: &mut dyn widget::Operation<Message>,
- ) {
- self.overlay.operate(layout, renderer, operation);
- }
-
- /// Returns true if the cursor is over the [`Element`].
- pub fn is_over(&self, layout: Layout<'_>, cursor_position: Point) -> bool {
- self.overlay.is_over(layout, cursor_position)
- }
-}
-
-struct Map<'a, A, B, Renderer> {
- content: Box<dyn Overlay<A, Renderer> + 'a>,
- mapper: &'a dyn Fn(A) -> B,
-}
-
-impl<'a, A, B, Renderer> Map<'a, A, B, Renderer> {
- pub fn new(
- content: Box<dyn Overlay<A, Renderer> + 'a>,
- mapper: &'a dyn Fn(A) -> B,
- ) -> Map<'a, A, B, Renderer> {
- Map { content, mapper }
- }
-}
-
-impl<'a, A, B, Renderer> Overlay<B, Renderer> for Map<'a, A, B, Renderer>
-where
- Renderer: crate::Renderer,
-{
- fn layout(
- &self,
- renderer: &Renderer,
- bounds: Size,
- position: Point,
- ) -> layout::Node {
- self.content.layout(renderer, bounds, position)
- }
-
- fn operate(
- &mut self,
- layout: Layout<'_>,
- renderer: &Renderer,
- operation: &mut dyn widget::Operation<B>,
- ) {
- struct MapOperation<'a, B> {
- operation: &'a mut dyn widget::Operation<B>,
- }
-
- impl<'a, T, B> widget::Operation<T> for MapOperation<'a, B> {
- fn container(
- &mut self,
- id: Option<&widget::Id>,
- operate_on_children: &mut dyn FnMut(
- &mut dyn widget::Operation<T>,
- ),
- ) {
- self.operation.container(id, &mut |operation| {
- operate_on_children(&mut MapOperation { operation });
- });
- }
-
- fn focusable(
- &mut self,
- state: &mut dyn widget::operation::Focusable,
- id: Option<&widget::Id>,
- ) {
- self.operation.focusable(state, id);
- }
-
- fn scrollable(
- &mut self,
- state: &mut dyn widget::operation::Scrollable,
- id: Option<&widget::Id>,
- ) {
- self.operation.scrollable(state, id);
- }
-
- fn text_input(
- &mut self,
- state: &mut dyn widget::operation::TextInput,
- id: Option<&widget::Id>,
- ) {
- self.operation.text_input(state, id)
- }
-
- fn custom(&mut self, state: &mut dyn Any, id: Option<&widget::Id>) {
- self.operation.custom(state, id);
- }
- }
-
- self.content
- .operate(layout, renderer, &mut MapOperation { operation });
- }
-
- fn on_event(
- &mut self,
- event: Event,
- layout: Layout<'_>,
- cursor_position: Point,
- renderer: &Renderer,
- clipboard: &mut dyn Clipboard,
- shell: &mut Shell<'_, B>,
- ) -> event::Status {
- let mut local_messages = Vec::new();
- let mut local_shell = Shell::new(&mut local_messages);
-
- let event_status = self.content.on_event(
- event,
- layout,
- cursor_position,
- renderer,
- clipboard,
- &mut local_shell,
- );
-
- shell.merge(local_shell, self.mapper);
-
- event_status
- }
-
- fn mouse_interaction(
- &self,
- layout: Layout<'_>,
- cursor_position: Point,
- viewport: &Rectangle,
- renderer: &Renderer,
- ) -> mouse::Interaction {
- self.content.mouse_interaction(
- layout,
- cursor_position,
- viewport,
- renderer,
- )
- }
-
- fn draw(
- &self,
- renderer: &mut Renderer,
- theme: &Renderer::Theme,
- style: &renderer::Style,
- layout: Layout<'_>,
- cursor_position: Point,
- ) {
- self.content
- .draw(renderer, theme, style, layout, cursor_position)
- }
-
- fn is_over(&self, layout: Layout<'_>, cursor_position: Point) -> bool {
- self.content.is_over(layout, cursor_position)
- }
-}