mainwindow: show task manager if status bar is double clicked

Minor UI improvement.

app/window/mainwindow/mainstatusbar.cpp

@@ -76,4 +76,11 @@ void MainStatusBar::UpdateStatus()
   }
 }
 
+void MainStatusBar::mouseDoubleClickEvent(QMouseEvent* e)
+{
+  QStatusBar::mouseDoubleClickEvent(e);
+
+  emit DoubleClicked();
+}
+
 OLIVE_NAMESPACE_EXIT

app/window/mainwindow/mainstatusbar.h

@@ -33,11 +33,18 @@ OLIVE_NAMESPACE_ENTER
  */
 class MainStatusBar : public QStatusBar
 {
+  Q_OBJECT
 public:
   MainStatusBar(QWidget* parent = nullptr);
 
   void ConnectTaskManager(TaskManager* manager);
 
+signals:
+  void DoubleClicked();
+
+protected:
+  virtual void mouseDoubleClickEvent(QMouseEvent* e) override;
+
 private slots:
   void UpdateStatus();
 

app/window/mainwindow/mainwindow.cpp

@@ -65,6 +65,7 @@ MainWindow::MainWindow(QWidget *parent) :
   // Create and set status bar
   MainStatusBar* status_bar = new MainStatusBar(this);
   status_bar->ConnectTaskManager(TaskManager::instance());
+  connect(status_bar, &MainStatusBar::DoubleClicked, this, &MainWindow::StatusBarDoubleClicked);
   setStatusBar(status_bar);
 
   // Create standard panels
@@ -391,6 +392,12 @@ bool MainWindow::nativeEvent(const QByteArray &eventType, void *message, long *r
 }
 #endif
 
+void MainWindow::StatusBarDoubleClicked()
+{
+  task_man_panel_->show();
+  task_man_panel_->raise();
+}
+
 void MainWindow::UpdateTitle()
 {
   if (Core::instance()->GetActiveProject()) {

app/window/mainwindow/mainwindow.h

@@ -147,6 +147,8 @@ private slots:
 
   void LoadLayoutInternal(QXmlStreamReader* reader, XMLNodeData *xml_data);
 
+  void StatusBarDoubleClicked();
+
 };
 
 OLIVE_NAMESPACE_EXIT