From 07960142e09659a973c1485e7ea0bed2e4773568 Mon Sep 17 00:00:00 2001
From: Joscha <joscha@plugh.de>
Date: Sun, 26 Feb 2023 22:06:24 +0100
Subject: [PATCH] Add Popup AsyncWidget

---
 src/ui.rs                |  1 +
 src/ui/widgets2.rs       |  3 +++
 src/ui/widgets2/popup.rs | 54 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 58 insertions(+)
 create mode 100644 src/ui/widgets2.rs
 create mode 100644 src/ui/widgets2/popup.rs

diff --git a/src/ui.rs b/src/ui.rs
index b5e8873..33696cc 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -4,6 +4,7 @@ mod input;
 mod rooms;
 mod util;
 mod widgets;
+mod widgets2;
 
 use std::convert::Infallible;
 use std::io;
diff --git a/src/ui/widgets2.rs b/src/ui/widgets2.rs
new file mode 100644
index 0000000..a12a5aa
--- /dev/null
+++ b/src/ui/widgets2.rs
@@ -0,0 +1,3 @@
+mod popup;
+
+pub use self::popup::*;
diff --git a/src/ui/widgets2/popup.rs b/src/ui/widgets2/popup.rs
new file mode 100644
index 0000000..d8dae47
--- /dev/null
+++ b/src/ui/widgets2/popup.rs
@@ -0,0 +1,54 @@
+use async_trait::async_trait;
+use toss::widgets::{Background, Border, Float, Layer2, Padding, Text};
+use toss::{AsyncWidget, Frame, Size, Style, Styled, WidgetExt, WidthDb};
+
+type Body<I> = Background<Border<Padding<I>>>;
+type Title = Float<Padding<Background<Padding<Text>>>>;
+
+pub struct Popup<I>(Float<Layer2<Body<I>, Title>>);
+
+impl<I> Popup<I> {
+    pub fn new<S: Into<Styled>>(inner: I, title: S) -> Self {
+        let title = Text::new(title)
+            .padding()
+            .with_horizontal(1)
+            // The background displaces the border without affecting the style
+            .background()
+            .with_style(Style::new())
+            .padding()
+            .with_horizontal(2)
+            .float()
+            .with_top()
+            .with_left();
+
+        let body = inner.padding().with_horizontal(1).border().background();
+
+        Self(title.above(body).float().with_center())
+    }
+
+    pub fn with_border_style(mut self, style: Style) -> Self {
+        let border = &mut self.0.inner.first.inner;
+        border.style = style;
+        self
+    }
+}
+
+#[async_trait]
+impl<E, I> AsyncWidget<E> for Popup<I>
+where
+    E: Send,
+    I: AsyncWidget<E> + Send + Sync,
+{
+    async fn size(
+        &self,
+        widthdb: &mut WidthDb,
+        max_width: Option<u16>,
+        max_height: Option<u16>,
+    ) -> Result<Size, E> {
+        self.0.size(widthdb, max_width, max_height).await
+    }
+
+    async fn draw(self, frame: &mut Frame) -> Result<(), E> {
+        self.0.draw(frame).await
+    }
+}