Add popup widget builder

src/ui/widgets.rs

@@ -12,6 +12,7 @@ pub mod join;
 pub mod layer;
 pub mod list;
 pub mod padding;
+pub mod popup;
 pub mod resize;
 pub mod rules;
 pub mod text;

src/ui/widgets/popup.rs

@@ -0,0 +1,76 @@
+use crossterm::style::ContentStyle;
+use toss::styled::Styled;
+
+use super::background::Background;
+use super::border::Border;
+use super::float::Float;
+use super::layer::Layer;
+use super::padding::Padding;
+use super::text::Text;
+use super::BoxedWidget;
+
+pub struct Popup {
+    inner: BoxedWidget,
+    inner_padding: bool,
+    title: Option<Styled>,
+    border_style: ContentStyle,
+    bg_style: ContentStyle,
+}
+
+impl Popup {
+    pub fn new<W: Into<BoxedWidget>>(inner: W) -> Self {
+        Self {
+            inner: inner.into(),
+            inner_padding: true,
+            title: None,
+            border_style: ContentStyle::default(),
+            bg_style: ContentStyle::default(),
+        }
+    }
+
+    pub fn inner_padding(mut self, active: bool) -> Self {
+        self.inner_padding = active;
+        self
+    }
+
+    pub fn title<S: Into<Styled>>(mut self, title: S) -> Self {
+        self.title = Some(title.into());
+        self
+    }
+
+    pub fn border(mut self, style: ContentStyle) -> Self {
+        self.border_style = style;
+        self
+    }
+
+    pub fn background(mut self, style: ContentStyle) -> Self {
+        self.bg_style = style;
+        self
+    }
+
+    pub fn build(self) -> BoxedWidget {
+        let inner = if self.inner_padding {
+            Padding::new(self.inner).horizontal(1).into()
+        } else {
+            self.inner
+        };
+        let window =
+            Border::new(Background::new(inner).style(self.bg_style)).style(self.border_style);
+
+        let widget: BoxedWidget = if let Some(title) = self.title {
+            let title = Float::new(
+                Padding::new(
+                    Background::new(Padding::new(Text::new(title)).horizontal(1))
+                        .style(self.border_style),
+                )
+                .horizontal(2),
+            )
+            .horizontal(0.5);
+            Layer::new(vec![window.into(), title.into()]).into()
+        } else {
+            window.into()
+        };
+
+        Float::new(widget).vertical(0.5).horizontal(0.5).into()
+    }
+}