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-rw-r--r--native/src/widget/row.rs79
1 files changed, 38 insertions, 41 deletions
diff --git a/native/src/widget/row.rs b/native/src/widget/row.rs
index c8812ea2..b71663bd 100644
--- a/native/src/widget/row.rs
+++ b/native/src/widget/row.rs
@@ -1,18 +1,15 @@
//! Distribute content horizontally.
-use std::hash::Hash;
-
+use crate::event::{self, Event};
+use crate::layout;
+use crate::overlay;
use crate::{
- layout, Align, Clipboard, Element, Event, Hasher, Layout, Length, Point,
- Widget,
+ Align, Clipboard, Element, Hasher, Layout, Length, Point, Rectangle, Widget,
};
+use std::hash::Hash;
use std::u32;
/// A container that distributes its contents horizontally.
-///
-/// A [`Row`] will try to fill the horizontal space of its container.
-///
-/// [`Row`]: struct.Row.html
#[allow(missing_debug_implementations)]
pub struct Row<'a, Message, Renderer> {
spacing: u16,
@@ -27,15 +24,11 @@ pub struct Row<'a, Message, Renderer> {
impl<'a, Message, Renderer> Row<'a, Message, Renderer> {
/// Creates an empty [`Row`].
- ///
- /// [`Row`]: struct.Row.html
pub fn new() -> Self {
Self::with_children(Vec::new())
}
/// Creates a [`Row`] with the given elements.
- ///
- /// [`Row`]: struct.Row.html
pub fn with_children(
children: Vec<Element<'a, Message, Renderer>>,
) -> Self {
@@ -62,57 +55,42 @@ impl<'a, Message, Renderer> Row<'a, Message, Renderer> {
}
/// Sets the padding of the [`Row`].
- ///
- /// [`Row`]: struct.Row.html
pub fn padding(mut self, units: u16) -> Self {
self.padding = units;
self
}
/// Sets the width of the [`Row`].
- ///
- /// [`Row`]: struct.Row.html
pub fn width(mut self, width: Length) -> Self {
self.width = width;
self
}
/// Sets the height of the [`Row`].
- ///
- /// [`Row`]: struct.Row.html
pub fn height(mut self, height: Length) -> Self {
self.height = height;
self
}
/// Sets the maximum width of the [`Row`].
- ///
- /// [`Row`]: struct.Row.html
pub fn max_width(mut self, max_width: u32) -> Self {
self.max_width = max_width;
self
}
/// Sets the maximum height of the [`Row`].
- ///
- /// [`Row`]: struct.Row.html
pub fn max_height(mut self, max_height: u32) -> Self {
self.max_height = max_height;
self
}
/// Sets the vertical alignment of the contents of the [`Row`] .
- ///
- /// [`Row`]: struct.Row.html
pub fn align_items(mut self, align: Align) -> Self {
self.align_items = align;
self
}
/// Adds an [`Element`] to the [`Row`].
- ///
- /// [`Element`]: ../struct.Element.html
- /// [`Row`]: struct.Row.html
pub fn push<E>(mut self, child: E) -> Self
where
E: Into<Element<'a, Message, Renderer>>,
@@ -165,9 +143,11 @@ where
messages: &mut Vec<Message>,
renderer: &Renderer,
clipboard: Option<&dyn Clipboard>,
- ) {
- self.children.iter_mut().zip(layout.children()).for_each(
- |(child, layout)| {
+ ) -> event::Status {
+ self.children
+ .iter_mut()
+ .zip(layout.children())
+ .map(|(child, layout)| {
child.widget.on_event(
event.clone(),
layout,
@@ -176,8 +156,8 @@ where
renderer,
clipboard,
)
- },
- );
+ })
+ .fold(event::Status::Ignored, event::Status::merge)
}
fn draw(
@@ -186,24 +166,44 @@ where
defaults: &Renderer::Defaults,
layout: Layout<'_>,
cursor_position: Point,
+ viewport: &Rectangle,
) -> Renderer::Output {
- renderer.draw(defaults, &self.children, layout, cursor_position)
+ renderer.draw(
+ defaults,
+ &self.children,
+ layout,
+ cursor_position,
+ viewport,
+ )
}
fn hash_layout(&self, state: &mut Hasher) {
- 1.hash(state);
+ struct Marker;
+ std::any::TypeId::of::<Marker>().hash(state);
+
self.width.hash(state);
self.height.hash(state);
self.max_width.hash(state);
self.max_height.hash(state);
self.align_items.hash(state);
self.spacing.hash(state);
- self.spacing.hash(state);
+ self.padding.hash(state);
for child in &self.children {
child.widget.hash_layout(state);
}
}
+
+ fn overlay(
+ &mut self,
+ layout: Layout<'_>,
+ ) -> Option<overlay::Element<'_, Message, Renderer>> {
+ self.children
+ .iter_mut()
+ .zip(layout.children())
+ .filter_map(|(child, layout)| child.widget.overlay(layout))
+ .next()
+ }
}
/// The renderer of a [`Row`].
@@ -211,8 +211,7 @@ where
/// Your [renderer] will need to implement this trait before being
/// able to use a [`Row`] in your user interface.
///
-/// [`Row`]: struct.Row.html
-/// [renderer]: ../../renderer/index.html
+/// [renderer]: crate::renderer
pub trait Renderer: crate::Renderer + Sized {
/// Draws a [`Row`].
///
@@ -220,15 +219,13 @@ pub trait Renderer: crate::Renderer + Sized {
/// - the children of the [`Row`]
/// - the [`Layout`] of the [`Row`] and its children
/// - the cursor position
- ///
- /// [`Row`]: struct.Row.html
- /// [`Layout`]: ../layout/struct.Layout.html
fn draw<Message>(
&mut self,
defaults: &Self::Defaults,
children: &[Element<'_, Message, Self>],
layout: Layout<'_>,
cursor_position: Point,
+ viewport: &Rectangle,
) -> Self::Output;
}
@@ -236,7 +233,7 @@ impl<'a, Message, Renderer> From<Row<'a, Message, Renderer>>
for Element<'a, Message, Renderer>
where
Renderer: 'a + self::Renderer,
- Message: 'static,
+ Message: 'a,
{
fn from(row: Row<'a, Message, Renderer>) -> Element<'a, Message, Renderer> {
Element::new(row)