Remember toolbars visibility and don't ask on exit

We are anyway asking if we have some files not saved.

qucs/main.cpp

@@ -189,6 +189,11 @@ bool loadSettings()
     if (settings.contains("fullTraceName")) QucsSettings.fullTraceName = settings.value("fullTraceName").toBool();
     else QucsSettings.fullTraceName = false;
 
+    QucsSettings.FileToolbar = settings.contains("FileToolbar") ? settings.value("FileToolbar").toBool() : true;
+    QucsSettings.EditToolbar = settings.contains("EditToolbar") ? settings.value("EditToolbar").toBool() : true;
+    QucsSettings.ViewToolbar = settings.contains("ViewToolbar") ? settings.value("ViewToolbar").toBool() : true;
+    QucsSettings.WorkToolbar = settings.contains("WorkToolbar") ? settings.value("WorkToolbar").toBool() : true;
+
     QucsSettings.RecentDocs = settings.value("RecentDocs").toString().split("*",qucs::SkipEmptyParts);
     QucsSettings.numRecentDocs = QucsSettings.RecentDocs.count();
 
@@ -270,6 +275,10 @@ bool saveApplSettings()
     settings.setValue("fullTraceName",QucsSettings.fullTraceName);
     settings.setValue("panelIconsTheme",QucsSettings.panelIconsTheme);
     settings.setValue("compIconsTheme",QucsSettings.compIconsTheme);
+    settings.setValue("FileToolbar", QucsSettings.FileToolbar);
+    settings.setValue("EditToolbar", QucsSettings.EditToolbar);
+    settings.setValue("ViewToolbar", QucsSettings.ViewToolbar);
+    settings.setValue("WorkToolbar", QucsSettings.WorkToolbar);
 
     // Copy the list of directory paths in which Qucs should
     // search for subcircuit schematics from qucsPathList

qucs/main.h

@@ -106,6 +106,11 @@ struct tQucsSettings {
 
   bool hasDarkTheme;
   bool fullTraceName;
+
+  bool FileToolbar;
+  bool EditToolbar;
+  bool ViewToolbar;
+  bool WorkToolbar;
 };
 
 extern tQucsSettings QucsSettings;  // extern because nearly everywhere used

qucs/qucs.cpp

@@ -174,6 +174,11 @@ QucsApp::QucsApp()
   initCursorMenu();
   Module::registerModules ();
 
+  fileToolbar->setVisible(QucsSettings.FileToolbar);
+  editToolbar->setVisible(QucsSettings.EditToolbar);
+  viewToolbar->setVisible(QucsSettings.ViewToolbar);
+  workToolbar->setVisible(QucsSettings.WorkToolbar);
+
   // instance of small text search dialog
   SearchDia = new SearchDialog(this);
 
@@ -1990,15 +1995,11 @@ void QucsApp::slotFileQuit()
   statusBar()->showMessage(tr("Exiting application..."));
   slotHideEdit(); // disable text edit of component property
 
-  int exit = QMessageBox::information(this,
-      tr("Quit..."), tr("Do you really want to quit?"),
-      tr("Yes"), tr("No"));
-
-  if(exit == 0)
-    if(closeAllFiles()) {
-      emit signalKillEmAll();   // kill all subprocesses
-      qApp->quit();
-    }
+  saveSettings();
+  if(closeAllFiles()) {
+    emit signalKillEmAll();   // kill all subprocesses
+    qApp->quit();
+  }
 
   statusBar()->showMessage(tr("Ready."));
 }
@@ -2007,14 +2008,7 @@ void QucsApp::slotFileQuit()
 // To get all close events.
 void QucsApp::closeEvent(QCloseEvent* Event)
 {
-    qDebug()<<"x"<<pos().x()<<" ,y"<<pos().y();
-    qDebug()<<"dx"<<size().width()<<" ,dy"<<size().height();
-    QucsSettings.x=pos().x();
-    QucsSettings.y=pos().y();
-    QucsSettings.dx=size().width();
-    QucsSettings.dy=size().height();
-    saveApplSettings();
-
+   saveSettings();
    if(closeAllFiles()) {
       emit signalKillEmAll();   // kill all subprocesses
       Event->accept();
@@ -2024,6 +2018,23 @@ void QucsApp::closeEvent(QCloseEvent* Event)
       Event->ignore();
 }
 
+//-----------------------------------------------------------------
+// Saves settings
+void QucsApp::saveSettings()
+{
+  qDebug()<<"x"<<pos().x()<<" ,y"<<pos().y();
+  qDebug()<<"dx"<<size().width()<<" ,dy"<<size().height();
+  QucsSettings.x=pos().x();
+  QucsSettings.y=pos().y();
+  QucsSettings.dx=size().width();
+  QucsSettings.dy=size().height();
+  QucsSettings.FileToolbar = fileToolbar->isVisible();
+  QucsSettings.EditToolbar = editToolbar->isVisible();
+  QucsSettings.ViewToolbar = viewToolbar->isVisible();
+  QucsSettings.WorkToolbar = workToolbar->isVisible();
+  saveApplSettings();
+}
+
 // --------------------------------------------------------------------
 // Is called when the toolbar button is pressed to go into a subcircuit.
 void QucsApp::slotIntoHierarchy()

qucs/qucs.h

@@ -260,6 +260,7 @@ private:
   void updateRecentFilesList(QString s);
   void successExportMessages(bool ok);
   void fillLibrariesTreeView (void);
+  void saveSettings();
 
 public: