feat(widget): add text function with Cow<str> input

src/widget/header_bar.rs

@@ -89,8 +89,11 @@ impl<'a, Message: Clone + 'static> HeaderBar<'a, Message> {
         widget.into()
     }
 
-    fn title_widget(&self) -> Element<'a, Message> {
-        widget::container(widget::text(self.title.clone()))
+    fn title_widget(&mut self) -> Element<'a, Message> {
+        let mut title = Cow::default();
+        std::mem::swap(&mut title, &mut self.title);
+
+        widget::container(super::text(title))
             .center_x()
             .center_y()
             .width(Length::Fill)
@@ -106,7 +109,7 @@ impl<'a, Message: Clone + 'static> HeaderBar<'a, Message> {
             super::icon(name, size)
                 .force_svg(true)
                 .style(crate::theme::Svg::SymbolicActive)
-                .apply(iced::widget::button)
+                .apply(widget::button)
                 .style(theme::Button::Text)
                 .on_press(on_press)
         };

src/widget/mod.rs

@@ -37,6 +37,9 @@ pub mod settings;
 mod scrollable;
 pub use scrollable::*;
 
+mod text;
+pub use text::{text, Text};
+
 pub mod separator;
 pub use separator::{horizontal_rule, vertical_rule};
 

src/widget/settings/item.rs

@@ -1,18 +1,21 @@
 // Copyright 2022 System76 <info@system76.com>
 // SPDX-License-Identifier: MPL-2.0
 
-use crate::{Element, Renderer};
+use std::borrow::Cow;
+
+use crate::{widget::text, Element, Renderer};
+use iced::widget::{horizontal_space, row, Row};
 
 /// A setting within a settings view section.
 #[must_use]
 #[allow(clippy::module_name_repetitions)]
 pub fn item<'a, Message: 'static>(
-    title: impl ToString,
+    title: impl Into<Cow<'a, str>>,
     widget: impl Into<Element<'a, Message>>,
-) -> iced::widget::Row<'a, Message, Renderer> {
+) -> Row<'a, Message, Renderer> {
     item_row(vec![
-        iced::widget::text(title).into(),
-        iced::widget::horizontal_space(iced::Length::Fill).into(),
+        text(title).into(),
+        horizontal_space(iced::Length::Fill).into(),
         widget.into(),
     ])
 }
@@ -20,8 +23,8 @@ pub fn item<'a, Message: 'static>(
 /// A settings item aligned in a row
 #[must_use]
 #[allow(clippy::module_name_repetitions)]
-pub fn item_row<Message>(children: Vec<Element<Message>>) -> iced::widget::Row<Message, Renderer> {
-    iced::widget::row(children)
+pub fn item_row<Message>(children: Vec<Element<Message>>) -> Row<Message, Renderer> {
+    row(children)
         .align_items(iced::Alignment::Center)
         .padding([0, 18])
         .spacing(12)

src/widget/spin_button/mod.rs

@@ -6,12 +6,12 @@ use std::borrow::Cow;
 
 pub use self::model::{Message, Model};
 
-use crate::widget::icon;
+use crate::widget::{icon, text};
 use crate::{theme, Element};
 use apply::Apply;
 use iced::{
     alignment::{Horizontal, Vertical},
-    widget::{button, container, row, text},
+    widget::{button, container, row},
     Alignment, Background, Length,
 };
 

src/widget/text.rs

@@ -0,0 +1,14 @@
+use std::borrow::Cow;
+
+pub use iced::widget::Text;
+
+/// Creates a new [`Text`] widget with the provided content.
+///
+/// [`Text`]: widget::Text
+pub fn text<'a, Renderer>(text: impl Into<Cow<'a, str>>) -> Text<'a, Renderer>
+where
+    Renderer: iced_native::text::Renderer,
+    Renderer::Theme: iced::widget::text::StyleSheet,
+{
+    Text::new(text)
+}

src/widget/warning.rs

@@ -31,7 +31,7 @@ impl<'a, Message: 'static + Clone> Warning<'a, Message> {
     }
 
     /// A custom button that has the desired default spacing and padding.
-    pub fn into_widget(self) -> widget::Container<'static, Message, Renderer> {
+    pub fn into_widget(self) -> widget::Container<'a, Message, Renderer> {
         let close_button =
             widget::button(icon("window-close-symbolic", 16).style(theme::Svg::Default))
                 .style(theme::Button::Transparent);
@@ -44,7 +44,7 @@ impl<'a, Message: 'static + Clone> Warning<'a, Message> {
 
         widget::container(
             widget::row(vec![
-                widget::container(widget::text(self.message))
+                widget::container(crate::widget::text(self.message))
                     .width(Length::Fill)
                     .into(),
                 close_button.into(),