feat(list_column): button list items

src/widget/settings/item.rs

@@ -5,7 +5,7 @@ use std::borrow::Cow;
 
 use crate::{
     Element, Theme, theme,
-    widget::{FlexRow, Row, column, container, flex_row, row, text},
+    widget::{FlexRow, Row, column, container, flex_row, list, row, text},
 };
 use derive_setters::Setters;
 use iced_core::{Length, text::Wrapping};
@@ -114,39 +114,95 @@ impl<'a, Message: 'static> Item<'a, Message> {
         flex_item_row(self.control_(widget.into()))
     }
 
-    #[inline(never)]
-    fn control_(self, widget: Element<'a, Message>) -> Vec<Element<'a, Message>> {
-        let mut contents = Vec::with_capacity(4);
-
-        if let Some(icon) = self.icon {
-            contents.push(icon);
-        }
-
+    fn label(self) -> Element<'a, Message> {
         if let Some(description) = self.description {
-            let column = column::with_capacity(2)
+            column::with_capacity(2)
                 .spacing(2)
                 .push(text::body(self.title).wrapping(Wrapping::Word))
                 .push(text::caption(description).wrapping(Wrapping::Word))
-                .width(Length::Fill);
-
-            contents.push(column.into());
+                .width(Length::Fill)
+                .into()
         } else {
-            contents.push(text(self.title).width(Length::Fill).into());
+            text(self.title).width(Length::Fill).into()
         }
+    }
 
+    #[inline(never)]
+    fn control_(mut self, widget: Element<'a, Message>) -> Vec<Element<'a, Message>> {
+        let mut contents = Vec::with_capacity(3);
+        if let Some(icon) = self.icon.take() {
+            contents.push(icon);
+        }
+        contents.push(self.label());
         contents.push(widget);
         contents
     }
 
+    fn control_start(self, widget: impl Into<Element<'a, Message>>) -> Row<'a, Message, Theme> {
+        item_row(vec![widget.into(), self.label()])
+    }
+
     pub fn toggler(
         self,
         is_checked: bool,
         message: impl Fn(bool) -> Message + 'static,
-    ) -> Row<'a, Message, Theme> {
-        self.control(
-            crate::widget::toggler(is_checked)
-                .width(Length::Shrink)
-                .on_toggle(message),
+    ) -> list::ListButton<'a, Message> {
+        let on_press = message(!is_checked);
+        list::button(
+            self.control(
+                crate::widget::toggler(is_checked)
+                    .width(Length::Shrink)
+                    .on_toggle(message),
+            ),
         )
+        .on_press(on_press)
+    }
+
+    pub fn toggler_maybe(
+        self,
+        is_checked: bool,
+        message: Option<impl Fn(bool) -> Message + 'static>,
+    ) -> list::ListButton<'a, Message> {
+        let on_press = message.as_ref().map(|f| f(!is_checked));
+        list::button(
+            self.control(
+                crate::widget::toggler(is_checked)
+                    .width(Length::Shrink)
+                    .on_toggle_maybe(message),
+            ),
+        )
+        .on_press_maybe(on_press)
+    }
+
+    pub fn checkbox(
+        self,
+        is_checked: bool,
+        message: impl Fn(bool) -> Message + 'static,
+    ) -> list::ListButton<'a, Message> {
+        let on_press = message(!is_checked);
+        list::button(
+            self.control_start(
+                crate::widget::checkbox(is_checked)
+                    .width(Length::Shrink)
+                    .on_toggle(message),
+            ),
+        )
+        .on_press(on_press)
+    }
+
+    pub fn checkbox_maybe(
+        self,
+        is_checked: bool,
+        message: Option<impl Fn(bool) -> Message + 'static>,
+    ) -> list::ListButton<'a, Message> {
+        let on_press = message.as_ref().map(|f| f(!is_checked));
+        list::button(
+            self.control_start(
+                crate::widget::checkbox(is_checked)
+                    .width(Length::Shrink)
+                    .on_toggle_maybe(message),
+            ),
+        )
+        .on_press_maybe(on_press)
     }
 }

src/widget/settings/section.rs

@@ -2,16 +2,19 @@
 // SPDX-License-Identifier: MPL-2.0
 
 use crate::Element;
+use crate::widget::list_column::IntoListItem;
 use crate::widget::{ListColumn, column, text};
 use std::borrow::Cow;
 
 /// A section within a settings view column.
-pub fn section<'a, Message: 'static>() -> Section<'a, Message> {
+pub fn section<'a, Message: Clone + 'static>() -> Section<'a, Message> {
     with_column(ListColumn::default())
 }
 
 /// A section with a pre-defined list column.
-pub fn with_column<Message: 'static>(children: ListColumn<'_, Message>) -> Section<'_, Message> {
+pub fn with_column<Message: Clone + 'static>(
+    children: ListColumn<'_, Message>,
+) -> Section<'_, Message> {
     Section {
         header: None,
         children,
@@ -24,9 +27,9 @@ pub struct Section<'a, Message> {
     children: ListColumn<'a, Message>,
 }
 
-impl<'a, Message: 'static> Section<'a, Message> {
+impl<'a, Message: Clone + 'static> Section<'a, Message> {
     /// Define an optional title for the section.
-    pub fn title(mut self, title: impl Into<Cow<'a, str>>) -> Self {
+    pub fn title(self, title: impl Into<Cow<'a, str>>) -> Self {
         self.header(text::heading(title.into()))
     }
 
@@ -38,8 +41,8 @@ impl<'a, Message: 'static> Section<'a, Message> {
 
     /// Add a child element to the section's list column.
     #[allow(clippy::should_implement_trait)]
-    pub fn add(mut self, item: impl Into<Element<'a, Message>>) -> Self {
-        self.children = self.children.add(item.into());
+    pub fn add(mut self, item: impl IntoListItem<'a, Message>) -> Self {
+        self.children = self.children.add(item);
         self
     }
 
@@ -61,7 +64,7 @@ impl<'a, Message: 'static> Section<'a, Message> {
     }
 }
 
-impl<'a, Message: 'static> From<Section<'a, Message>> for Element<'a, Message> {
+impl<'a, Message: Clone + 'static> From<Section<'a, Message>> for Element<'a, Message> {
     fn from(data: Section<'a, Message>) -> Self {
         column::with_capacity(2)
             .spacing(8)