optimize: F12 improve

when close inspected windows,the inspect is still working .

article_inspect.cpp

@@ -0,0 +1,25 @@
+#include "article_inspect.h"
+#include <QCloseEvent>
+article_inspect::article_inspect( QWidget * parent ) : QDialog( parent, Qt::WindowType::Window )
+{
+  setAttribute( Qt::WidgetAttribute::WA_DeleteOnClose, false );
+  QVBoxLayout * v = new QVBoxLayout( this );
+  v->setSpacing( 0 );
+  v->setContentsMargins( 0, 0, 0, 0 );
+  inspectView = new QWebEngineView();
+  v->addWidget( inspectView );
+}
+
+void article_inspect::setInspectPage( QWebEnginePage * page )
+{
+  this->inspectedPage = page;
+  page->setDevToolsPage( inspectView->page() );
+  page->triggerAction( QWebEnginePage::InspectElement );
+  raise();
+  show();
+}
+
+void article_inspect::closeEvent( QCloseEvent * ev )
+{
+  inspectedPage->setDevToolsPage( nullptr );
+}

article_inspect.h

@@ -0,0 +1,24 @@
+#ifndef ARTICLE_INSPECT_H
+#define ARTICLE_INSPECT_H
+
+#include <QDialog>
+#include <QWebEngineView>
+#include <QWebEnginePage>
+#include <QVBoxLayout>
+
+class article_inspect : public QDialog
+{
+  Q_OBJECT
+  QWebEngineView * inspectView   = nullptr;
+  QWebEnginePage * inspectedPage = nullptr;
+public:
+  article_inspect( QWidget * parent = nullptr );
+
+  void setInspectPage( QWebEnginePage * page );
+
+private:
+
+  virtual void closeEvent( QCloseEvent * );
+};
+
+#endif // ARTICLE_INSPECT_H

articleview.cc

@@ -507,21 +507,12 @@ void ArticleView::showAnticipation()
 
 void ArticleView::inspectElement(){
   QWebEnginePage *page = ui.definition->page();
-  if (inspectView == nullptr) {
-    inspectView = new QWebEngineView();
-    page->setDevToolsPage( inspectView->page() );
-    devDialog = new QDialog( this );
-    devDialog->setWindowTitle( tr( "Inspect" ) );
-    devDialog->setWindowFlags( Qt::Window );
-    devDialog->setAttribute( Qt::WidgetAttribute::WA_DeleteOnClose, false );
-    QVBoxLayout * v = new QVBoxLayout( devDialog );
-    v->setSpacing( 0 );
-    v->setContentsMargins( 0, 0, 0, 0 );
-    v->addWidget( inspectView );
+  if( inspector == nullptr )
+  {
+    inspector = new article_inspect( this );
+    inspector->setWindowTitle( tr( "Inspect" ) );
   }
-  page->triggerAction( QWebEnginePage::InspectElement );
-  devDialog->raise();
-  devDialog->show();
+  inspector->setInspectPage( page );
 }
 
 void ArticleView::loadFinished( bool result )

articleview.hh

@@ -15,6 +15,7 @@
 #include "groupcombobox.hh"
 #include "ui_articleview.h"
 #include "globalbroadcaster.h"
+#include "article_inspect.h"
 
 class ResourceToSaveHandler;
 class ArticleViewAgent ;
@@ -45,8 +46,7 @@ class ArticleView: public QFrame
   QString rangeVarName;
 
   //used to hold the F12 inspect source view.
-  QWebEngineView *inspectView = nullptr;
-  QDialog * devDialog         = nullptr;
+  article_inspect * inspector = nullptr;
 
   /// Any resource we've decided to download off the dictionary gets stored here.
   /// Full vector capacity is used for search requests, where we have to make

goldendict.pro

@@ -217,6 +217,7 @@ DEFINES += PROGRAM_VERSION=\\\"$$VERSION\\\"
 
 # Input
 HEADERS += folding.hh \
+    article_inspect.h \
     globalbroadcaster.h \
     inc_case_folding.hh \
     inc_diacritic_folding.hh \
@@ -356,6 +357,7 @@ FORMS += groups.ui \
     fulltextsearch.ui
 
 SOURCES += folding.cc \
+    article_inspect.cpp \
     globalbroadcaster.cpp \
     main.cc \
     dictionary.cc \