From f067dc8b3215163ff7b5c7e3f4aa04df069d0f90 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maciej=20Sumi=C5=84ski?= <maciej.suminski@cern.ch>
Date: Sun, 7 Jul 2013 19:30:44 +0200
Subject: [PATCH] Added possibility to change zoom using toolbar in GAL.

---
 common/drawframe.cpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/common/drawframe.cpp b/common/drawframe.cpp
index a07399ab97..eb17f432ac 100644
--- a/common/drawframe.cpp
+++ b/common/drawframe.cpp
@@ -426,7 +426,21 @@ void EDA_DRAW_FRAME::OnSelectZoom( wxCommandEvent& event )
             return;
 
         GetScreen()->SetZoom( selectedZoom );
-        RedrawScreen( GetScreen()->GetScrollCenterPosition(), false );
+
+        if( m_galCanvasActive )
+        {
+            // Apply computed view settings to GAL
+            KiGfx::VIEW* view = m_galCanvas->GetView();
+            KiGfx::GAL* gal = m_galCanvas->GetGAL();
+
+            double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
+            double zoom = 1.0 / ( zoomFactor * GetZoom() );
+
+            view->SetScale( zoom );
+            m_galCanvas->Refresh();
+        }
+        else
+            RedrawScreen( GetScreen()->GetScrollCenterPosition(), false );
     }
 }