Final MapConnection UI updates

include/ui/connectionslistitem.h

@@ -14,8 +14,7 @@ class ConnectionsListItem;
 
 // We show the data for each map connection in the panel on the right side of the Connections tab.
 // An instance of this class is used for each item in that list.
-// It communicates with the ConnectionPixmapItem on the map through a shared MapConnection pointer,
-// and the two classes should signal one another when they change this data.
+// It communicates with the ConnectionPixmapItem on the map through a shared MapConnection pointer.
 class ConnectionsListItem : public QFrame
 {
     Q_OBJECT
@@ -27,28 +26,27 @@ public:
     void updateUI();
     void setSelected(bool selected);
 
-    QPointer<MapConnection> connection;
-
 private:
     Ui::ConnectionsListItem *ui;
+    QPointer<MapConnection> connection;
     Map *map;
     bool isSelected = false;
     unsigned actionId = 0;
 
 protected:
     void mousePressEvent(QMouseEvent*) override;
-    void mouseDoubleClickEvent(QMouseEvent*) override;
 
 signals:
-    void removed(MapConnection*);
     void selected();
-    void doubleClicked(MapConnection*);
+    void removed(MapConnection*);
+    void openMapClicked(MapConnection*);
 
 private slots:
     void on_comboBox_Direction_currentTextChanged(const QString &direction);
     void on_comboBox_Map_currentTextChanged(const QString &mapName);
     void on_spinBox_Offset_valueChanged(int offset);
     void on_button_Delete_clicked();
+    void on_button_OpenMap_clicked();
 };
 
 #endif // CONNECTIONSLISTITEM_H

include/ui/newmapconnectiondialog.h

@@ -24,6 +24,9 @@ signals:
 
 private:
     Ui::NewMapConnectionDialog *ui;
+
+    bool mapNameIsValid();
+    void setWarningVisible(bool visible);
 };
 
 #endif // NEWMAPCONNECTIONDIALOG_H