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-rw-r--r--helix-view/src/editor.rs5
-rw-r--r--helix-view/src/tree.rs10
-rw-r--r--helix-view/src/view.rs5
3 files changed, 13 insertions, 7 deletions
diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs
index e9f8b5a1..e7b25814 100644
--- a/helix-view/src/editor.rs
+++ b/helix-view/src/editor.rs
@@ -194,8 +194,9 @@ impl Editor {
}
pub fn resize(&mut self, area: Rect) {
- self.tree.resize(area);
- self._refresh();
+ if self.tree.resize(area) {
+ self._refresh();
+ };
}
pub fn focus_next(&mut self) {
diff --git a/helix-view/src/tree.rs b/helix-view/src/tree.rs
index b7c99e16..5b56156f 100644
--- a/helix-view/src/tree.rs
+++ b/helix-view/src/tree.rs
@@ -293,9 +293,13 @@ impl Tree {
}
}
- pub fn resize(&mut self, area: Rect) {
- self.area = area;
- self.recalculate();
+ pub fn resize(&mut self, area: Rect) -> bool {
+ if self.area != area {
+ self.area = area;
+ self.recalculate();
+ return true;
+ }
+ false
}
pub fn recalculate(&mut self) {
diff --git a/helix-view/src/view.rs b/helix-view/src/view.rs
index f82de90e..b7bfaa17 100644
--- a/helix-view/src/view.rs
+++ b/helix-view/src/view.rs
@@ -143,8 +143,9 @@ impl View {
}
}
- let row = line - self.first_line as usize;
- let col = col - self.first_col as usize;
+ // It is possible for underflow to occur if the buffer length is larger than the terminal width.
+ let row = line.saturating_sub(self.first_line);
+ let col = col.saturating_sub(self.first_col);
Some(Position::new(row, col))
}