Connections tab UI adjustments

include/editor.h

@@ -78,6 +78,7 @@ public:
     void updateConnectionOffset(int offset);
     void addNewConnection();
     void removeConnection(ConnectionPixmapItem* connectionItem);
+    void removeSelectedConnection();
     void addNewWildMonGroup(QWidget *window);
     void deleteWildMonGroup();
     void updateDiveMap(QString mapName);

include/mainwindow.h

@@ -217,6 +217,7 @@ private slots:
     void on_actionMove_triggered();
     void on_actionMap_Shift_triggered();
 
+    void onDeleteKeyPressed();
     void on_toolButton_deleteObject_clicked();
 
     void addNewEvent(Event::Type type);

include/ui/connectionslistitem.h

@@ -32,11 +32,13 @@ private:
 
 protected:
     void mousePressEvent(QMouseEvent *);
+    void mouseDoubleClickEvent(QMouseEvent *);
 
 signals:
     void edited();
-    void deleted();
+    void deleteRequested();
     void selected();
+    void doubleClicked();
 
 private slots:
     void on_comboBox_Direction_currentTextChanged(const QString &direction);