i18n: update ts files

tabwidget.cpp

@@ -27,9 +27,6 @@ TabWidget::TabWidget(DocumentManager *documentManager, QWidget *parent)
             this, &TabWidget::onDocumentModified);
     connect(m_documentManager, &DocumentManager::documentTitleChanged,
             this, &TabWidget::onDocumentTitleChanged);
-    
-    // 创建第一个文档
-    newDocument();
 }
 
 TabWidget::~TabWidget()
@@ -44,6 +41,8 @@ int TabWidget::newDocument()
     }
     
     SciEdit *editor = createEditor();
+    editor->emptyUndoBuffer();
+    editor->setSavePoint();
     m_editors[docId] = editor;
     
     // 连接信号
@@ -76,7 +75,12 @@ int TabWidget::openDocument(const QString &filePath)
     
     // 设置编辑器内容
     QString content = m_documentManager->getDocumentContent(docId);
-    editor->setText(content.toUtf8().constData());
+    const QByteArray contentBytes = content.toUtf8();
+    editor->setUndoCollection(false);
+    editor->setText(contentBytes.constData());
+    editor->setUndoCollection(true);
+    editor->emptyUndoBuffer();
+    editor->setSavePoint();
     editor->setTabWidth(AppSettings::tabWidth());
     editor->setEditorFont(AppSettings::editorFont());
     editor->applyTheme(AppSettings::editorDarkTheme());
@@ -123,7 +127,11 @@ bool TabWidget::saveCurrentDocument()
         return saveCurrentDocumentAs();
     }
     
-    return m_documentManager->saveDocument(docId);
+    const bool saved = m_documentManager->saveDocument(docId);
+    if (saved) {
+        editor->setSavePoint();
+    }
+    return saved;
 }
 
 bool TabWidget::saveCurrentDocumentAs()
@@ -160,6 +168,7 @@ bool TabWidget::saveCurrentDocumentAs()
             Scintilla::ILexer5 *lexer = CreateLexer(lexerName.toStdString().c_str());
             editor->setLexer(lexer);
         }
+        editor->setSavePoint();
     }
     return saved;
 }
@@ -220,6 +229,10 @@ bool TabWidget::closeTab(int index)
             if (!saved) {
                 return false; // 保存失败，不关闭标签页
             }
+
+            if (editor) {
+                editor->setSavePoint();
+            }
         } else if (ret == QMessageBox::Cancel) {
             return false; // 取消关闭
         }
@@ -321,6 +334,21 @@ int TabWidget::findTabByDocumentId(int docId) const
     return m_documentIdToTab.value(docId, -1);
 }
 
+int TabWidget::documentIdForEditor(SciEdit *editor) const
+{
+    if (!editor) {
+        return -1;
+    }
+
+    for (auto it = m_editors.begin(); it != m_editors.end(); ++it) {
+        if (it.value() == editor) {
+            return it.key();
+        }
+    }
+
+    return -1;
+}
+
 void TabWidget::onCurrentChanged(int index)
 {
     SciEdit *editor = editorAt(index);
@@ -357,13 +385,7 @@ void TabWidget::onEditorTextChanged()
     }
     
     // 找到对应的文档ID
-    int docId = -1;
-    for (auto it = m_editors.begin(); it != m_editors.end(); ++it) {
-        if (it.value() == editor) {
-            docId = it.key();
-            break;
-        }
-    }
+    const int docId = documentIdForEditor(editor);
     
     if (docId != -1) {
         QByteArray content = editor->getText(editor->textLength());
@@ -371,6 +393,17 @@ void TabWidget::onEditorTextChanged()
     }
 }
 
+void TabWidget::onEditorSavePointChanged(bool dirty)
+{
+    SciEdit *editor = qobject_cast<SciEdit*>(sender());
+    const int docId = documentIdForEditor(editor);
+    if (docId < 0) {
+        return;
+    }
+
+    m_documentManager->setDocumentModified(docId, dirty);
+}
+
 SciEdit *TabWidget::createEditor()
 {
     SciEdit *editor = new SciEdit(this);
@@ -399,6 +432,7 @@ void TabWidget::connectEditorSignals(SciEdit *editor)
 {
     if (editor) {
         connect(editor, &SciEdit::textChanged, this, &TabWidget::onEditorTextChanged);
+        connect(editor, &ScintillaEditBase::savePointChanged, this, &TabWidget::onEditorSavePointChanged);
     }
 }
 
@@ -406,5 +440,6 @@ void TabWidget::disconnectEditorSignals(SciEdit *editor)
 {
     if (editor) {
         disconnect(editor, &SciEdit::textChanged, this, &TabWidget::onEditorTextChanged);
+        disconnect(editor, &ScintillaEditBase::savePointChanged, this, &TabWidget::onEditorSavePointChanged);
     }
 }