fix: max row selection

src/main/kotlin/app/termora/terminal/DocumentImpl.kt

@@ -14,6 +14,11 @@ open class DocumentImpl(private val terminal: Terminal) : Document {
 
     companion object {
         private val log = LoggerFactory.getLogger(DocumentImpl::class.java)
+
+        /**
+         * 超出的行数
+         */
+        val OverflowLines = DataKey(Int::class)
     }
 
     init {

src/main/kotlin/app/termora/terminal/MarkupModelImpl.kt

@@ -4,6 +4,20 @@ package app.termora.terminal
 open class MarkupModelImpl(private val terminal: Terminal) : MarkupModel {
     private val highlighters = mutableMapOf<Int, MutableList<Highlighter>>()
 
+    init {
+        terminal.getTerminalModel().addDataListener(object : DataListener {
+            override fun onChanged(key: DataKey<*>, data: Any) {
+                if (key != DocumentImpl.OverflowLines) return
+                if (highlighters.isEmpty()) return
+                val row = data as Int
+                // 因为第 N 行被删除了，所以这里要删除这一行的荧光笔
+                for (i in 0 until row) {
+                    terminal.getMarkupModel().removeAllHighlightersInLine(0)
+                }
+            }
+        })
+    }
+
     override fun addHighlighter(highlighter: Highlighter) {
         val range = highlighter.getHighlighterRange()
         highlighters.getOrPut(range.start.y) { mutableListOf() }.addLast(highlighter)

src/main/kotlin/app/termora/terminal/SelectionModelImpl.kt

@@ -32,6 +32,34 @@ open class SelectionModelImpl(private val terminal: Terminal) : SelectionModel {
         }
     }
 
+    init {
+        terminal.getTerminalModel().addDataListener(object : DataListener {
+            private val cols get() = terminal.getTerminalModel().getCols()
+            override fun onChanged(key: DataKey<*>, data: Any) {
+                if (key != DocumentImpl.OverflowLines) return
+                if (!hasSelection() || isSelectAll()) return
+                val row = data as Int
+
+                val startPosition = startPosition.copy(y = max(startPosition.y - row, 1))
+                val endPosition = endPosition.copy(y = endPosition.y - row)
+                if (endPosition.y < 1 || endPosition.y < startPosition.y) {
+                    clearSelection()
+                    return
+                }
+
+                // 设置新的选择区域
+                setSelection(startPosition, endPosition)
+
+            }
+
+            private fun isSelectAll(): Boolean {
+                return hasSelection() &&
+                        startPosition.y == 1 && startPosition.x == 1 &&
+                        endPosition.y == document.getLineCount() && endPosition.x == cols
+            }
+        })
+    }
+
     override fun getSelectedText(): String {
         val sb = StringBuilder()
 

src/main/kotlin/app/termora/terminal/TerminalLineBuffer.kt

@@ -61,8 +61,8 @@ class TerminalLineBuffer(
                 if (!resizing) {
                     while (size > terminalModel.getMaxRows()) {
                         removeFirst()
-                        // 因为第一行被删除了，所以这里要删除这一行的荧光笔
-                        terminal.getMarkupModel().removeAllHighlightersInLine(0)
+                        // 超出的行数，前 N 行已经被清理
+                        terminal.getTerminalModel().setData(DocumentImpl.OverflowLines, 1)
                     }
                 }
             }