added save file option (keep filename)

source/mainwindow.cpp

@@ -17,7 +17,8 @@ MainWindow::MainWindow(QWidget *parent)
 
 	connect(ui->actionNew, SIGNAL(triggered()), this, SLOT(newFile()));
 	connect(ui->actionOpen, SIGNAL(triggered()), this, SLOT(openFile()));
-	connect(ui->actionSave_as, SIGNAL(triggered()), this, SLOT(saveFileAs()));
+    connect(ui->actionSave, SIGNAL(triggered()), this, SLOT(saveFile()));
+    connect(ui->actionSave_as, SIGNAL(triggered()), this, SLOT(saveFileAs()));
 
 	newFile();
 }
@@ -33,6 +34,8 @@ void MainWindow::newFile()
 	ui->metaDataWidget->setModel(&m_dataModel->m_metaData);
 	ui->verbEndWidget->setModel(&m_dataModel->m_verbEnd);
     ui->genusWidget->setModel(&m_dataModel->m_genus);
+
+    m_filename = "";
 }
 
 void MainWindow::openFile()
@@ -55,7 +58,21 @@ void MainWindow::openFile()
 
 	m_dataModel->read(loadDoc.object());
 
-	ui->metaDataWidget->toFirst();
+    m_filename = filename;
+
+    ui->metaDataWidget->toFirst();
+}
+
+void MainWindow::saveFile()
+{
+    if (m_filename.isEmpty())
+    {
+        saveFileAs();
+    }
+    else
+    {
+        saveFile(m_filename);
+    }
 }
 
 void MainWindow::saveFileAs()
@@ -66,13 +83,20 @@ void MainWindow::saveFileAs()
 		return;
 	}
 
-	QJsonObject saveData;
+    saveFile(filename);
-	m_dataModel->write(saveData);
+}
-
+
-	QJsonDocument saveDoc(saveData);
+void MainWindow::saveFile(const QString &filename)
-
+{
-	QFile saveFile(filename);
+    QJsonObject saveData;
-	saveFile.open(QFile::WriteOnly);
+    m_dataModel->write(saveData);
-	saveFile.write(saveDoc.toJson());
+
-	saveFile.close();
+    QJsonDocument saveDoc(saveData);
+
+    QFile saveFile(filename);
+    saveFile.open(QFile::WriteOnly);
+    saveFile.write(saveDoc.toJson());
+    saveFile.close();
+
+    m_filename = filename;
 }

source/mainwindow.h

@@ -18,6 +18,7 @@ class MainWindow : public QMainWindow
 private:
 	Ui::MainWindow *ui;
 	std::unique_ptr<DataModel> m_dataModel;
+    QString m_filename;
 
 public:
 	MainWindow(QWidget *parent = nullptr);
@@ -26,5 +27,9 @@ public:
 public slots:
 	void newFile();
 	void openFile();
+    void saveFile();
 	void saveFileAs();
+
+private:
+    void saveFile(const QString &filename);
 };

source/mainwindow.ui

@@ -18,7 +18,7 @@
     <item>
      <widget class="QTabWidget" name="tabWidget">
       <property name="currentIndex">
-       <number>1</number>
+       <number>0</number>
       </property>
       <widget class="QWidget" name="MetaDataTab">
        <attribute name="title">
@@ -60,7 +60,7 @@
      <x>0</x>
      <y>0</y>
      <width>905</width>
-     <height>19</height>
+     <height>17</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -69,6 +69,7 @@
     </property>
     <addaction name="actionNew"/>
     <addaction name="actionOpen"/>
+    <addaction name="actionSave"/>
     <addaction name="actionSave_as"/>
     <addaction name="separator"/>
     <addaction name="actionQuit"/>
@@ -87,7 +88,7 @@
    </attribute>
    <addaction name="actionNew"/>
    <addaction name="actionOpen"/>
-   <addaction name="actionSave_as"/>
+   <addaction name="actionSave"/>
   </widget>
   <action name="actionSave_as">
    <property name="icon">
@@ -100,9 +101,6 @@
    <property name="toolTip">
     <string>Save as...</string>
    </property>
-   <property name="shortcut">
-    <string>Ctrl+S</string>
-   </property>
   </action>
   <action name="actionOpen">
    <property name="icon">
@@ -136,6 +134,18 @@
     <string>Ctrl+Q</string>
    </property>
   </action>
+  <action name="actionSave">
+   <property name="icon">
+    <iconset resource="mainwindow.qrc">
+     <normaloff>:/images/document-save-as.png</normaloff>:/images/document-save-as.png</iconset>
+   </property>
+   <property name="text">
+    <string>Save</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+S</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>