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-rw-r--r--widget/src/column.rs59
1 files changed, 37 insertions, 22 deletions
diff --git a/widget/src/column.rs b/widget/src/column.rs
index abb522be..d6eea84b 100644
--- a/widget/src/column.rs
+++ b/widget/src/column.rs
@@ -7,7 +7,7 @@ use crate::core::renderer;
use crate::core::widget::{Operation, Tree};
use crate::core::{
Alignment, Clipboard, Element, Layout, Length, Padding, Pixels, Rectangle,
- Shell, Widget,
+ Shell, Size, Widget,
};
/// A container that distributes its contents vertically.
@@ -22,16 +22,12 @@ pub struct Column<'a, Message, Renderer = crate::Renderer> {
children: Vec<Element<'a, Message, Renderer>>,
}
-impl<'a, Message, Renderer> Column<'a, Message, Renderer> {
+impl<'a, Message, Renderer> Column<'a, Message, Renderer>
+where
+ Renderer: crate::core::Renderer,
+{
/// Creates an empty [`Column`].
pub fn new() -> Self {
- Self::with_children(Vec::new())
- }
-
- /// Creates a [`Column`] with the given elements.
- pub fn with_children(
- children: Vec<Element<'a, Message, Renderer>>,
- ) -> Self {
Column {
spacing: 0.0,
padding: Padding::ZERO,
@@ -39,10 +35,17 @@ impl<'a, Message, Renderer> Column<'a, Message, Renderer> {
height: Length::Shrink,
max_width: f32::INFINITY,
align_items: Alignment::Start,
- children,
+ children: Vec::new(),
}
}
+ /// Creates a [`Column`] with the given elements.
+ pub fn with_children(
+ children: impl IntoIterator<Item = Element<'a, Message, Renderer>>,
+ ) -> Self {
+ children.into_iter().fold(Self::new(), Self::push)
+ }
+
/// Sets the vertical spacing _between_ elements.
///
/// Custom margins per element do not exist in iced. You should use this
@@ -88,12 +91,26 @@ impl<'a, Message, Renderer> Column<'a, Message, Renderer> {
mut self,
child: impl Into<Element<'a, Message, Renderer>>,
) -> Self {
- self.children.push(child.into());
+ let child = child.into();
+ let size = child.as_widget().size_hint();
+
+ if size.width.is_fill() {
+ self.width = Length::Fill;
+ }
+
+ if size.height.is_fill() {
+ self.height = Length::Fill;
+ }
+
+ self.children.push(child);
self
}
}
-impl<'a, Message, Renderer> Default for Column<'a, Message, Renderer> {
+impl<'a, Message, Renderer> Default for Column<'a, Message, Renderer>
+where
+ Renderer: crate::core::Renderer,
+{
fn default() -> Self {
Self::new()
}
@@ -112,12 +129,11 @@ where
tree.diff_children(&self.children);
}
- fn width(&self) -> Length {
- self.width
- }
-
- fn height(&self) -> Length {
- self.height
+ fn size(&self) -> Size<Length> {
+ Size {
+ width: self.width,
+ height: self.height,
+ }
}
fn layout(
@@ -126,15 +142,14 @@ where
renderer: &Renderer,
limits: &layout::Limits,
) -> layout::Node {
- let limits = limits
- .max_width(self.max_width)
- .width(self.width)
- .height(self.height);
+ let limits = limits.max_width(self.max_width);
layout::flex::resolve(
layout::flex::Axis::Vertical,
renderer,
&limits,
+ self.width,
+ self.height,
self.padding,
self.spacing,
self.align_items,