feat: centered block

README.md

@@ -138,6 +138,9 @@ prompt_current_untyped = "blue;bold"
 # cursor character
 prompt_cursor = "none;underlined"
 
+# paragraph alignment
+block_alignment = "center"
+
 ## results styles ##
 
 # overview text

src/config.rs

@@ -2,7 +2,10 @@ use serde::{
     de::{self, IntoDeserializer},
     Deserialize,
 };
-use tui::style::{Color, Modifier, Style};
+use tui::{
+    layout::Alignment,
+    style::{Color, Modifier, Style},
+};
 
 #[derive(Debug, Deserialize)]
 #[serde(default)]
@@ -51,6 +54,9 @@ pub struct Theme {
     #[serde(deserialize_with = "deserialize_style")]
     pub prompt_cursor: Style,
 
+    #[serde(deserialize_with = "deserialize_align")]
+    pub block_alignment: Alignment,
+
     // results widget
     #[serde(deserialize_with = "deserialize_style")]
     pub results_overview: Style,
@@ -118,6 +124,7 @@ impl Default for Theme {
             results_restart_prompt: Style::default()
                 .fg(Color::Gray)
                 .add_modifier(Modifier::ITALIC),
+            block_alignment: Alignment::Left,
         }
     }
 }
@@ -231,6 +238,33 @@ where
     deserializer.deserialize_str(ColorVisitor)
 }
 
+fn deserialize_align<'de, D>(deserializer: D) -> Result<Alignment, D::Error>
+where
+    D: de::Deserializer<'de>,
+{
+    struct AlignmentVisitor;
+    impl<'de> de::Visitor<'de> for AlignmentVisitor {
+        type Value = Alignment;
+
+        fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
+            formatter.write_str("an alignment")
+        }
+
+        fn visit_str<E: de::Error>(self, value: &str) -> Result<Self::Value, E> {
+            match value {
+                "left" => Ok(Alignment::Left),
+                "center" => Ok(Alignment::Center),
+                "right" => Ok(Alignment::Right),
+                _ => Err(E::invalid_value(
+                    de::Unexpected::Str(value),
+                    &"an alignment",
+                )),
+            }
+        }
+    }
+    deserializer.deserialize_str(AlignmentVisitor)
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;

src/ui.rs

@@ -179,7 +179,9 @@ impl ThemedWidget for &Test {
                 .borders(Borders::ALL)
                 .border_type(BorderType::Rounded)
                 .border_style(theme.prompt_border),
-        );
+
+        )
+            .alignment(theme.block_alignment);
         target.render(chunks[1], buf);
     }
 }