Add support for panning with left and right mouse buttons

common/view/view_controls.cpp

@@ -66,6 +66,8 @@ void VC_SETTINGS::Reset()
     m_autoPanSpeed = 0.15;
     m_warpCursor = false;
     m_enableMousewheelPan = false;
+    m_panWithRightButton = false;
+    m_panWithLeftButton = false;
 }
 
 

common/view/wx_view_controls.cpp

@@ -55,6 +55,10 @@ WX_VIEW_CONTROLS::WX_VIEW_CONTROLS( VIEW* aView, wxScrolledCanvas* aParentPanel
                             wxMouseEventHandler( WX_VIEW_CONTROLS::onButton ), NULL, this );
     m_parentPanel->Connect( wxEVT_LEFT_DOWN,
                             wxMouseEventHandler( WX_VIEW_CONTROLS::onButton ), NULL, this );
+    m_parentPanel->Connect( wxEVT_RIGHT_UP,
+                            wxMouseEventHandler( WX_VIEW_CONTROLS::onButton ), NULL, this );
+    m_parentPanel->Connect( wxEVT_RIGHT_DOWN,
+                            wxMouseEventHandler( WX_VIEW_CONTROLS::onButton ), NULL, this );
 #if defined _WIN32 || defined _WIN64
     m_parentPanel->Connect( wxEVT_ENTER_WINDOW,
                             wxMouseEventHandler( WX_VIEW_CONTROLS::onEnter ), NULL, this );
@@ -223,7 +227,9 @@ void WX_VIEW_CONTROLS::onButton( wxMouseEvent& aEvent )
     {
     case IDLE:
     case AUTO_PANNING:
-        if( aEvent.MiddleDown() )
+        if( aEvent.MiddleDown() ||
+            ( aEvent.LeftDown() && m_settings.m_panWithLeftButton ) ||
+            ( aEvent.RightDown() && m_settings.m_panWithRightButton ) )
         {
             m_dragStartPoint = VECTOR2D( aEvent.GetX(), aEvent.GetY() );
             m_lookStartPoint = m_view->GetCenter();
@@ -236,7 +242,7 @@ void WX_VIEW_CONTROLS::onButton( wxMouseEvent& aEvent )
         break;
 
     case DRAG_PANNING:
-        if( aEvent.MiddleUp() )
+        if( aEvent.MiddleUp() || aEvent.LeftUp() || aEvent.RightUp() )
             m_state = IDLE;
 
         break;

include/view/view_controls.h

@@ -83,6 +83,12 @@ struct VC_SETTINGS
 
     ///> Mousewheel (2-finger touchpad) panning
     bool m_enableMousewheelPan;
+
+    ///> Allow panning with the right button in addition to middle
+    bool m_panWithRightButton;
+
+    ///> Allow panning with the left button in addition to middle
+    bool m_panWithLeftButton;
 };
 
 
@@ -309,6 +315,12 @@ public:
      */
     virtual void CenterOnCursor() const = 0;
 
+    void SetAdditionalPanButtons( bool aLeft = false, bool aRight = false )
+    {
+        m_settings.m_panWithLeftButton = aLeft;
+        m_settings.m_panWithRightButton = aRight;
+    }
+
     /**
      * Function Reset()
      * Restores the default VIEW_CONTROLS settings.