Make moveLeft() with huge values span multiple rows

2026-02-14 16:45:14 -05:00 · 2014-09-03 15:27:42 -07:00
parent 99c07decf2
commit 29f15d0f20
2 changed files with 20 additions and 5 deletions
--- a/src/cursor.coffee
+++ b/src/cursor.coffee
@@ -274,9 +274,14 @@ class Cursor extends Model

      if newColumn >= 0
        column = newColumn
-      else if row > 0
-        row--
-        column = @editor.lineTextForScreenRow(row).length + newColumn + 1
+      else
+        columnDelta = -(newColumn + 1)
+        while columnDelta >= 0 and row > 0
+          row--
+          rowLength = @editor.lineTextForScreenRow(row).length
+          column = rowLength - columnDelta
+          columnDelta -= rowLength
+        column = Math.max(column, 0)

      @setScreenPosition({row, column})