bugfix

1 files changed, 6 insertions, 0 deletions

diff --git a/src/Buffer.zig b/src/Buffer.zig
index 8f90ed1..0416fda 100644
--- a/src/Buffer.zig
+++ b/src/Buffer.zig
@@ -145,6 +145,12 @@ pub fn deleteRow(self: *Buffer, at: usize) void {
     while (i < self.rows.items.len) : (i += 1) {
         self.rows.items[i].idx -= 1;
     }
+
+    if (self.cy == self.rows.items.len) {
+        self.cx = 0;
+    } else {
+        self.cx = std.math.min(self.cx, self.rows.items[self.cy].data.items.len);
+    }
 }
 
 pub fn drawRows(self: Buffer, writer: anytype, screenrows: usize, screencols: usize) !void {