added save file option (keep filename)

source/mainwindow.cpp

@@ -17,6 +17,7 @@ MainWindow::MainWindow(QWidget *parent)
 
 	connect(ui->actionNew, SIGNAL(triggered()), this, SLOT(newFile()));
 	connect(ui->actionOpen, SIGNAL(triggered()), this, SLOT(openFile()));
+    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()
@@ -55,9 +58,23 @@ void MainWindow::openFile()
 
 	m_dataModel->read(loadDoc.object());
 
+    m_filename = filename;
+
     ui->metaDataWidget->toFirst();
 }
 
+void MainWindow::saveFile()
+{
+    if (m_filename.isEmpty())
+    {
+        saveFileAs();
+    }
+    else
+    {
+        saveFile(m_filename);
+    }
+}
+
 void MainWindow::saveFileAs()
 {
 	QString filename = QFileDialog::getSaveFileName(this);
@@ -66,6 +83,11 @@ void MainWindow::saveFileAs()
 		return;
 	}
 
+    saveFile(filename);
+}
+
+void MainWindow::saveFile(const QString &filename)
+{
     QJsonObject saveData;
     m_dataModel->write(saveData);
 
@@ -75,4 +97,6 @@ void MainWindow::saveFileAs()
     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>