EditView: Prevent overflow error with no available space

gyscos · Oct 5, 2016 · bb62452 · bb62452
1 parent 8fded82
commit bb62452
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/views/edit_view.rs b/src/views/edit_view.rs
@@ -229,6 +229,10 @@ impl EditView {
  .map(|g| g.width())
  .next()
  .unwrap_or(1);
+ if c_len > self.last_length {
+ // Weird - no available space?
+ return;
+ }
  // Now, we have to fit self.content[..self.cursor]
  // into self.last_length - c_len.
  let available = self.last_length - c_len;
@@ -239,6 +243,7 @@ impl EditView {
  simple_suffix_length(&self.content[self.offset..self.cursor],
  available);
  self.offset = self.cursor - suffix_length;
+ // Make sure the cursor is in view
  assert!(self.cursor >= self.offset);
 
  }