Line wrapping width is now determined by terminal width.

src/buffer/mod.rs

@@ -208,6 +208,15 @@ impl<T: LineFormatter> Buffer<T> {
     }
     
     
+    /// Runs the formatter on all of the text.  Should be run whenever the
+    /// formatter has been changed.
+    pub fn reformat<'a>(&'a mut self) {
+        self.text.reformat_recursive(&self.formatter);
+    }
+    
+    
+    
+    
     
     //------------------------------------------------------------------------
     // Undo/redo functionality

src/buffer/node.rs

@@ -195,6 +195,16 @@ impl BufferNode {
     }
     
     
+    pub fn reformat_recursive<T: LineFormatter>(&mut self, f: &T) {
+        if let BufferNodeData::Branch(ref mut left, ref mut right) = self.data {
+            left.update_stats(f);
+            right.update_stats(f);
+        }
+        
+        self.update_stats(f);
+    }
+    
+    
     pub fn get_grapheme_recursive<'a>(&'a self, index: usize) -> &'a str {
         match self.data {
             BufferNodeData::Leaf(ref line) => {

src/term_ui/mod.rs

@@ -83,6 +83,8 @@ impl TermUI {
         let mut quit = false;
     
         self.editor.update_dim(self.height-1, self.width);
+        self.editor.buffer.formatter.wrap_width = self.width as usize;
+        self.editor.buffer.reformat();
     
         loop {
             // Draw the editor to screen
@@ -182,6 +184,8 @@ impl TermUI {
                         self.width = w as usize;
                         self.height = h as usize;
                         self.editor.update_dim(self.height-1, self.width);
+                        self.editor.buffer.formatter.wrap_width = w as usize;
+                        self.editor.buffer.reformat();
                     },
                     
                     _ => {

todo.md

@@ -15,8 +15,8 @@
       The freetype formatter should not reference SDL at all, and should
       have only the freetype library itself as a dependency.
     //- Handle tab settings properly after the refactor
-    - Buffer needs a "reformat" method, which can be run after the formatter
-      is changed in some way (e.g. toggling line wrapping).
+    //- Buffer needs a "reformat" method, which can be run after the formatter
+    //  is changed in some way (e.g. toggling line wrapping).
     - Possibly split the text buffer out into its own library...?  Would
       likely be useful to other people as well, and would encourage me to
       keep the API clean.