feat: 优化代码

app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt

@@ -456,11 +456,14 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
     }
 
     fun cancelSelect() {
-        textPage.textLines.forEach { textLine ->
+        val last = if (ReadBookConfig.isScroll) 2 else 0
+        for (relativePos in 0..last) {
+            relativePage(relativePos).textLines.forEach { textLine ->
                 textLine.textChars.forEach {
                     it.selected = false
                 }
             }
+        }
         invalidate()
         callBack.onCancelSelect()
     }