bug-fix: restore header from edit mode after web side logic is ready

src/vmdtab.cpp

@@ -81,7 +81,8 @@ void VMdTab::showFileReadMode()
 {
     m_isEditMode = false;
 
-    VHeaderPointer header(m_currentHeader);
+    // Will recover the header when web side is ready.
+    m_headerFromEditMode = m_currentHeader;
 
     if (m_mdConType == MarkdownConverterType::Hoedown) {
         viewWebByConverter();
@@ -93,8 +94,6 @@ void VMdTab::showFileReadMode()
     m_stacks->setCurrentWidget(m_webViewer);
     clearSearchedWordHighlight();
 
-    scrollWebViewToHeader(header);
-
     updateStatus();
 }
 
@@ -395,6 +394,9 @@ void VMdTab::setupMarkdownViewer()
     connect(m_document, &VDocument::logicsFinished,
             this, [this]() {
                 if (m_ready & TabReady::ReadMode) {
+                    // Recover header from edit mode.
+                    scrollWebViewToHeader(m_headerFromEditMode);
+                    m_headerFromEditMode.clear();
                     return;
                 }
 

src/vmdtab.h

@@ -196,6 +196,9 @@ private:
     QTimer *m_backupTimer;
 
     bool m_backupFileChecked;
+
+    // Used to scroll to the header of edit mode in read mode.
+    VHeaderPointer m_headerFromEditMode;
 };
 
 inline VMdEditor *VMdTab::getEditor()