From 33409c22c4bbf50560cfd82a99fd5fcd4b540cf5 Mon Sep 17 00:00:00 2001
From: pkv <pkv@opencascade.com>
Date: Tue, 22 Nov 2005 08:32:55 +0000
Subject: [PATCH] fix for GVIEW10589

---
 src/VVTK/VVTK_InteractorStyle.cxx | 26 ++++++++++++++++++++++++++
 src/VVTK/VVTK_InteractorStyle.h   | 27 +++++++++++++++++++++++++++
 src/VVTK/VVTK_MainWindow.cxx      | 12 ++++++++++--
 src/VVTK/VVTK_MainWindow.h        |  2 ++
 4 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/src/VVTK/VVTK_InteractorStyle.cxx b/src/VVTK/VVTK_InteractorStyle.cxx
index e95debe7..9386a162 100644
--- a/src/VVTK/VVTK_InteractorStyle.cxx
+++ b/src/VVTK/VVTK_InteractorStyle.cxx
@@ -269,3 +269,29 @@ VVTK_InteractorStyle
 {
   Interactor->InvokeEvent(VISU::SetSMIncreaseMagnificationEvent,NULL);
 }
+
+vtkStandardNewMacro(VVTK_InteractorStyleController);
+//----------------------------------------------------------------------------
+VVTK_InteractorStyleController::VVTK_InteractorStyleController()
+{
+  myIncrement=10;
+}
+//----------------------------------------------------------------------------
+VVTK_InteractorStyleController::~VVTK_InteractorStyleController()
+{
+}
+//----------------------------------------------------------------------------
+int VVTK_InteractorStyleController::IncrementIncrease()
+{
+  myIncrement*=2;
+  return myIncrement;
+}
+//----------------------------------------------------------------------------
+int VVTK_InteractorStyleController::IncrementDecrease()
+{
+  myIncrement/=2;
+  if (!myIncrement){
+    myIncrement=1;
+  }
+  return myIncrement;
+}
diff --git a/src/VVTK/VVTK_InteractorStyle.h b/src/VVTK/VVTK_InteractorStyle.h
index 5eaf23e9..8f06666e 100644
--- a/src/VVTK/VVTK_InteractorStyle.h
+++ b/src/VVTK/VVTK_InteractorStyle.h
@@ -29,9 +29,36 @@
 #ifndef __VVTK_InteractorStyle_h
 #define __VVTK_InteractorStyle_h
 
+
 #include "VVTK.h"
 
 #include "SVTK_InteractorStyle.h"
+//
+//! Control the value of increment in new style of interaction.
+/*!
+  This class controls of value of increment,
+  for pan/rotate/zoom operations in new style 
+  of interaction
+*/
+class VVTK_InteractorStyleController : public SVTK_InteractorStyleController {
+ public:
+  vtkTypeMacro(VVTK_InteractorStyleController,SVTK_InteractorStyleController);
+  static VVTK_InteractorStyleController* New();
+  
+  //! Increace the increment value by multiplying on 2
+  virtual int IncrementIncrease();
+
+  //! Decreace the increment value by division on 2
+  virtual int IncrementDecrease();
+  
+ protected:
+  VVTK_InteractorStyleController();
+  virtual ~VVTK_InteractorStyleController();
+  //
+ private:
+  VVTK_InteractorStyleController(const VVTK_InteractorStyleController&);  //Not implemented
+  void operator=(const VVTK_InteractorStyleController&);  //Not implemented
+};
 
 class VISU_PickingSettings;
 
diff --git a/src/VVTK/VVTK_MainWindow.cxx b/src/VVTK/VVTK_MainWindow.cxx
index ac1d5aa8..b7c2e229 100644
--- a/src/VVTK/VVTK_MainWindow.cxx
+++ b/src/VVTK/VVTK_MainWindow.cxx
@@ -50,8 +50,11 @@ VVTK_MainWindow
 		  const char* theName,
 		  SUIT_ResourceMgr* theResourceMgr):
   SVTK_MainWindow(theParent,theName,theResourceMgr),
-  myInteractorStyle(VVTK_InteractorStyle::New())
+  myInteractorStyle(VVTK_InteractorStyle::New()),
+  myInteractorStyleController(VVTK_InteractorStyleController::New())
 {
+  myInteractorStyle->SetController(myInteractorStyleController.GetPointer());
+  myInteractorStyleController->Delete();
   myInteractorStyle->Delete();
 
   moveDockWindow(myToolBar,Qt::DockLeft);
@@ -61,7 +64,12 @@ VVTK_MainWindow
 void
 VVTK_MainWindow
 ::Initialize(SVTK_RenderWindowInteractor* theInteractor)
-{
+{ 
+  vtkInteractorStyle* pVIS=theInteractor->GetInteractorStyle();
+  SVTK_InteractorStyle *pInteractorStyle=dynamic_cast<SVTK_InteractorStyle*>(pVIS);
+  if (pInteractorStyle){
+    pInteractorStyle->SetController(myInteractorStyleController.GetPointer());
+  }
   SVTK_MainWindow::Initialize(theInteractor);
 }
 
diff --git a/src/VVTK/VVTK_MainWindow.h b/src/VVTK/VVTK_MainWindow.h
index 718bd296..edeb8dea 100644
--- a/src/VVTK/VVTK_MainWindow.h
+++ b/src/VVTK/VVTK_MainWindow.h
@@ -15,6 +15,7 @@ class VVTK_SegmentationCursorDlg;
 class VISU_OutsideCursorSettings;
 class VISU_PickingSettings;
 class VVTK_InteractorStyle;
+class VVTK_InteractorStyleController;
 class VVTK_PickingDlg;
 class VVTK_MainWindow2;
 class VVTK_Renderer1;
@@ -58,6 +59,7 @@ public:
 
  protected:
   vtkSmartPointer<VVTK_InteractorStyle> myInteractorStyle;
+  vtkSmartPointer<VVTK_InteractorStyleController> myInteractorStyleController;
 };
 
 
-- 
2.39.2