fix: double-click to expand selection boundary error

2023-12-25 21:21:28 +08:00
parent cda46a910f
commit 0bd4c5cc51
1 changed files with 3 additions and 1 deletions
@@ -57,8 +57,10 @@ function dblclick(host: CanvasEvent, evt: MouseEvent) {
    }
  }
  // 设置选中区域
+  const startIndex = index - upCount - 1
+  if (!~startIndex) return
  const rangeManager = draw.getRange()
-  rangeManager.setRange(index - upCount - 1, index + downCount)
+  rangeManager.setRange(startIndex, index + downCount)
  // 刷新文档
  draw.render({
    isSubmitHistory: false,