Moved panning boundaries and scale limits from VIEW to VIEW_CONTROL.

common/view/view.cpp

@@ -45,10 +45,8 @@ VIEW::VIEW( bool aIsDynamic ) :
     m_scale( 1.0 ),
     m_painter( NULL ),
     m_gal( NULL ),
-    m_dynamic( aIsDynamic ),
-    m_scaleLimits( 15000.0, 1.0 )
+    m_dynamic( aIsDynamic )
 {
-    m_panBoundary.SetMaximum();
     m_needsUpdate.reserve( 32768 );
 
     // Redraw everything at the beginning
@@ -295,11 +293,6 @@ void VIEW::SetMirror( bool aMirrorX, bool aMirrorY )
 
 void VIEW::SetScale( double aScale, const VECTOR2D& aAnchor )
 {
-    if( aScale > m_scaleLimits.x )
-        aScale = m_scaleLimits.x;
-    else if( aScale < m_scaleLimits.y )
-        aScale = m_scaleLimits.y;
-
     VECTOR2D a = ToScreen( aAnchor );
 
     m_gal->SetZoomFactor( aScale );
@@ -319,19 +312,6 @@ void VIEW::SetCenter( const VECTOR2D& aCenter )
 {
     m_center = aCenter;
 
-    if( !m_panBoundary.Contains( aCenter ) )
-    {
-        if( aCenter.x < m_panBoundary.GetLeft() )
-            m_center.x = m_panBoundary.GetLeft();
-        else if( aCenter.x > m_panBoundary.GetRight() )
-            m_center.x = m_panBoundary.GetRight();
-
-        if( aCenter.y < m_panBoundary.GetTop() )
-            m_center.y = m_panBoundary.GetTop();
-        else if( aCenter.y > m_panBoundary.GetBottom() )
-            m_center.y = m_panBoundary.GetBottom();
-    }
-
     m_gal->SetLookAtPoint( m_center );
     m_gal->ComputeWorldScreenMatrix();
 

common/view/wx_view_controls.cpp

@@ -66,6 +66,42 @@ void VIEW_CONTROLS::ShowCursor( bool aEnabled )
 }
 
 
+void VIEW_CONTROLS::setCenter( const VECTOR2D& aCenter )
+{
+    if( !m_panBoundary.Contains( aCenter ) )
+    {
+        VECTOR2D newCenter( aCenter );
+
+        if( aCenter.x < m_panBoundary.GetLeft() )
+            newCenter.x = m_panBoundary.GetLeft();
+        else if( aCenter.x > m_panBoundary.GetRight() )
+            newCenter.x = m_panBoundary.GetRight();
+
+        if( aCenter.y < m_panBoundary.GetTop() )
+            newCenter.y = m_panBoundary.GetTop();
+        else if( aCenter.y > m_panBoundary.GetBottom() )
+            newCenter.y = m_panBoundary.GetBottom();
+
+        m_view->SetCenter( newCenter );
+    }
+    else
+    {
+        m_view->SetCenter( aCenter );
+    }
+}
+
+
+void VIEW_CONTROLS::setScale( double aScale, const VECTOR2D& aAnchor )
+{
+    if( aScale < m_minScale )
+        aScale = m_minScale;
+    else if( aScale > m_maxScale )
+        aScale = m_maxScale;
+
+    m_view->SetScale( aScale, aAnchor );
+}
+
+
 void WX_VIEW_CONTROLS::onMotion( wxMouseEvent& aEvent )
 {
     bool isAutoPanning = false;
@@ -80,7 +116,7 @@ void WX_VIEW_CONTROLS::onMotion( wxMouseEvent& aEvent )
             VECTOR2D   d = m_dragStartPoint - VECTOR2D( aEvent.GetX(), aEvent.GetY() );
             VECTOR2D   delta = m_view->ToWorld( d, false );
 
-            m_view->SetCenter( m_lookStartPoint + delta );
+            setCenter( m_lookStartPoint + delta );
             aEvent.StopPropagation();
         }
         else
@@ -110,7 +146,7 @@ void WX_VIEW_CONTROLS::onWheel( wxMouseEvent& aEvent )
         VECTOR2D delta( aEvent.ControlDown() ? -scrollSpeed : 0.0,
                         aEvent.ShiftDown() ? -scrollSpeed : 0.0 );
 
-        m_view->SetCenter( m_view->GetCenter() + delta );
+        setCenter( m_view->GetCenter() + delta );
     }
     else
     {
@@ -133,7 +169,7 @@ void WX_VIEW_CONTROLS::onWheel( wxMouseEvent& aEvent )
         }
 
         VECTOR2D anchor = m_view->ToWorld( VECTOR2D( aEvent.GetX(), aEvent.GetY() ) );
-        m_view->SetScale( m_view->GetScale() * zoomScale, anchor );
+        setScale( m_view->GetScale() * zoomScale, anchor );
     }
 
     aEvent.Skip();
@@ -190,7 +226,7 @@ void WX_VIEW_CONTROLS::onTimer( wxTimerEvent& aEvent )
             dir = dir.Resize( borderSize );
 
         dir = m_view->ToWorld( dir, false );
-        m_view->SetCenter( m_view->GetCenter() + dir * m_autoPanSpeed );
+        setCenter( m_view->GetCenter() + dir * m_autoPanSpeed );
 
         // Notify tools that the cursor position has changed in the world coordinates
         wxMouseEvent moveEvent( EVT_REFRESH_MOUSE );

include/view/view.h

@@ -507,29 +507,6 @@ public:
      */
     void UpdateItems();
 
-    /**
-     * Function SetPanBoundary()
-     * Sets limits for panning area.
-     * @param aBoundary is the box that limits panning area.
-     */
-    void SetPanBoundary( const BOX2I& aBoundary )
-    {
-        m_panBoundary = aBoundary;
-    }
-
-    /**
-     * Function SetScaleLimits()
-     * Sets minimum and maximum values for scale.
-     * @param aMaximum is the maximum value for scale..
-     * @param aMinimum is the minimum value for scale.
-     */
-    void SetScaleLimits( double aMaximum, double aMinimum )
-    {
-        wxASSERT_MSG( aMaximum > aMinimum, wxT( "I guess you passed parameters in wrong order" ) );
-
-        m_scaleLimits = VECTOR2D( aMaximum, aMinimum );
-    }
-
     static const int VIEW_MAX_LAYERS = 128;      ///< maximum number of layers that may be shown
 
 private:
@@ -670,12 +647,6 @@ private:
     /// Rendering order modifier for layers that are marked as top layers
     static const int TOP_LAYER_MODIFIER = -VIEW_MAX_LAYERS;
 
-    /// Panning boundaries
-    BOX2I m_panBoundary;
-
-    /// Zoom limits
-    VECTOR2D m_scaleLimits;
-
     /// Items to be updated
     std::vector<VIEW_ITEM*> m_needsUpdate;
 };

include/view/view_controls.h

@@ -46,14 +46,40 @@ class VIEW;
 class VIEW_CONTROLS
 {
 public:
-    VIEW_CONTROLS( VIEW* aView ) : m_view( aView ), m_forceCursorPosition( false ),
-        m_snappingEnabled( false ), m_grabMouse( false ), m_autoPanEnabled( false ),
-        m_autoPanMargin( 0.1 ), m_autoPanSpeed( 0.15 )
-    {}
+    VIEW_CONTROLS( VIEW* aView ) : m_view( aView ), m_minScale( 4.0 ), m_maxScale( 15000 ),
+        m_forceCursorPosition( false ), m_snappingEnabled( false ), m_grabMouse( false ),
+        m_autoPanEnabled( false ), m_autoPanMargin( 0.1 ), m_autoPanSpeed( 0.15 )
+    {
+        m_panBoundary.SetMaximum();
+    }
 
     virtual ~VIEW_CONTROLS()
     {}
 
+    /**
+     * Function SetPanBoundary()
+     * Sets limits for panning area.
+     * @param aBoundary is the box that limits panning area.
+     */
+    void SetPanBoundary( const BOX2I& aBoundary )
+    {
+        m_panBoundary = aBoundary;
+    }
+
+    /**
+     * Function SetScaleLimits()
+     * Sets minimum and maximum values for scale.
+     * @param aMaximum is the maximum value for scale.
+     * @param aMinimum is the minimum value for scale.
+     */
+    void SetScaleLimits( double aMaximum, double aMinimum )
+    {
+        wxASSERT_MSG( aMaximum > aMinimum, wxT( "I guess you passed parameters in wrong order" ) );
+
+        m_minScale = aMinimum;
+        m_maxScale = aMaximum;
+    }
+
     /**
      * Function SetSnapping()
      * Enables/disables snapping cursor to grid.
@@ -146,11 +172,23 @@ public:
     virtual void ShowCursor( bool aEnabled );
 
 protected:
+    /// Sets center for VIEW, takes into account panning boundaries.
+    void setCenter( const VECTOR2D& aCenter );
+
+    /// Sets scale for VIEW, takes into account scale limits.
+    void setScale( double aScale, const VECTOR2D& aAnchor );
+
     /// Pointer to controlled VIEW.
     VIEW*       m_view;
 
-    /// Current mouse position
-    VECTOR2D    m_mousePosition;
+    /// Panning boundaries.
+    BOX2I       m_panBoundary;
+
+    /// Scale lower limit.
+    double      m_minScale;
+
+    /// Scale upper limit.
+    double      m_maxScale;
 
     /// Current cursor position
     VECTOR2D    m_cursorPosition;

pcbnew/pcbframe.cpp

@@ -56,6 +56,7 @@
 #include <dialog_plot.h>
 #include <convert_from_iu.h>
 #include <view/view.h>
+#include <view/view_controls.h>
 #include <painter.h>
 
 #include <class_track.h>
@@ -583,7 +584,7 @@ void PCB_EDIT_FRAME::ViewReloadBoard( const BOARD* aBoard ) const
     view->Add( aBoard->GetRatsnestViewItem() );
 
     // Limit panning to the size of worksheet frame
-    view->SetPanBoundary( aBoard->GetWorksheetViewItem()->ViewBBox() );
+    GetGalCanvas()->GetViewControls()->SetPanBoundary( aBoard->GetWorksheetViewItem()->ViewBBox() );
     view->RecacheAllItems( true );
 
     if( IsGalCanvasActive() )