From fa0d2533ceb88311f59f94c91db63f42a9a7aab1 Mon Sep 17 00:00:00 2001
From: gq <15933486098@qq.com>
Date: Thu, 15 May 2025 08:23:10 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B3=A8=E9=87=8A=E4=BA=86=E5=A4=84=E7=90=86?=
 =?UTF-8?q?=E9=94=AE=E7=9B=98=E6=8A=AC=E8=B5=B7=E4=BA=8B=E4=BB=B6?=
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---
 .../net/micode/notes/ui/NoteEditText.java     | 30 +++++++++++++++----
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/Notesmaster/app/src/main/java/net/micode/notes/ui/NoteEditText.java b/Notesmaster/app/src/main/java/net/micode/notes/ui/NoteEditText.java
index 69cd565..eb38037 100644
--- a/Notesmaster/app/src/main/java/net/micode/notes/ui/NoteEditText.java
+++ b/Notesmaster/app/src/main/java/net/micode/notes/ui/NoteEditText.java
@@ -168,35 +168,53 @@ public class NoteEditText extends EditText {
         return super.onKeyDown(keyCode, event);
     }
 
+    /**
+     * 处理键盘按键抬起事件
+     * @param keyCode 按键代码，如KeyEvent.KEYCODE_DEL
+     * @param event 按键事件对象
+     * @return 返回true表示事件已处理，false表示未处理
+     */
     @Override
     public boolean onKeyUp(int keyCode, KeyEvent event) {
         switch(keyCode) {
-            case KeyEvent.KEYCODE_DEL:
+            case KeyEvent.KEYCODE_DEL:  // 删除键抬起事件
+                // 当设置了文本变化监听器时
                 if (mOnTextViewChangeListener != null) {
+                    // 如果光标在文本开头且不是第一个编辑框
                     if (0 == mSelectionStartBeforeDelete && mIndex != 0) {
+                        // 回调删除事件，传递当前索引和文本内容
                         mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString());
-                        return true;
+                        return true;  // 事件已处理
                     }
                 } else {
-                    Log.d(TAG, "OnTextViewChangeListener was not seted");
+                    Log.d(TAG, "OnTextViewChangeListener was not set");
                 }
                 break;
-            case KeyEvent.KEYCODE_ENTER:
+
+            case KeyEvent.KEYCODE_ENTER:  // 回车键抬起事件
+                // 当设置了文本变化监听器时
                 if (mOnTextViewChangeListener != null) {
+                    // 获取当前光标位置
                     int selectionStart = getSelectionStart();
+                    // 截取光标后的文本
                     String text = getText().subSequence(selectionStart, length()).toString();
+                    // 保留光标前的文本
                     setText(getText().subSequence(0, selectionStart));
+                    // 回调回车事件，传递下一个索引和截取的文本
                     mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
                 } else {
-                    Log.d(TAG, "OnTextViewChangeListener was not seted");
+                    Log.d(TAG, "OnTextViewChangeListener was not set");
                 }
                 break;
+
             default:
+                // 其他按键不做特殊处理
                 break;
         }
+        // 未被处理的按键事件交由父类处理
         return super.onKeyUp(keyCode, event);
     }
-
+    
     @Override
     protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
         if (mOnTextViewChangeListener != null) {