From cb1cfc2d4b48a0d1ce37362c90f520fe0ead6ddd Mon Sep 17 00:00:00 2001
From: nds <natalia.donis@opencascade.com>
Date: Thu, 24 Apr 2014 18:37:12 +0400
Subject: [PATCH] refs #30 - Sketch base GUI: create, draw lines

Set plane for sketch and erase the sketch preview. Set view projection.
---
 src/PartSet/PartSet_Module.cpp            | 13 ++++++++++++-
 src/PartSet/PartSet_Module.h              |  5 +++++
 src/PartSet/PartSet_OperationSketch.cpp   |  3 ++-
 src/PartSet/PartSet_OperationSketchBase.h |  3 +++
 src/XGUI/XGUI_Viewer.cpp                  | 11 +++++++++++
 src/XGUI/XGUI_Viewer.h                    |  6 ++++++
 6 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/src/PartSet/PartSet_Module.cpp b/src/PartSet/PartSet_Module.cpp
index f1787442a..71d0987a4 100644
--- a/src/PartSet/PartSet_Module.cpp
+++ b/src/PartSet/PartSet_Module.cpp
@@ -98,8 +98,11 @@ void PartSet_Module::onOperationStarted()
   ModuleBase_Operation* anOperation = myWorkshop->operationMgr()->currentOperation();
 
   PartSet_OperationSketchBase* aPreviewOp = dynamic_cast<PartSet_OperationSketchBase*>(anOperation);
-  if (aPreviewOp)
+  if (aPreviewOp) {
     visualizePreview(true);
+    connect(aPreviewOp, SIGNAL(viewerProjectionChange(double, double, double)),
+            this, SLOT(onViewerProjectionChange(double, double, double)));
+  }
 }
 
 void PartSet_Module::onOperationStopped(ModuleBase_Operation* theOperation)
@@ -126,6 +129,14 @@ void PartSet_Module::onViewSelectionChanged()
   }
 }
 
+void PartSet_Module::onViewerProjectionChange(double theX, double theY, double theZ)
+{
+  XGUI_Viewer* aViewer = myWorkshop->mainWindow()->viewer();
+  if (aViewer) {
+    aViewer->setViewProjection(theX, theY, theZ);
+  }
+}
+
 void PartSet_Module::visualizePreview(bool isDisplay)
 {
   ModuleBase_Operation* anOperation = myWorkshop->operationMgr()->currentOperation();
diff --git a/src/PartSet/PartSet_Module.h b/src/PartSet/PartSet_Module.h
index fcf98a0c3..c7d8e8d3b 100644
--- a/src/PartSet/PartSet_Module.h
+++ b/src/PartSet/PartSet_Module.h
@@ -34,6 +34,11 @@ public slots:
   /// SLOT, that is called by the selection in the viewer is changed.
   /// The selection is sent to the current operation if it listen the selection.
   void onViewSelectionChanged();
+  /// SLOT, to apply to the current viewer the operation
+  /// \param theX the X projection value
+  /// \param theY the Y projection value
+  /// \param theZ the Z projection value
+  void onViewerProjectionChange(double theX, double theY, double theZ);
 
 private:
   /// Displays or erase the current operation preview, if it has it.
diff --git a/src/PartSet/PartSet_OperationSketch.cpp b/src/PartSet/PartSet_OperationSketch.cpp
index 1f1f1e91c..8ce3b7958 100644
--- a/src/PartSet/PartSet_OperationSketch.cpp
+++ b/src/PartSet/PartSet_OperationSketch.cpp
@@ -63,7 +63,8 @@ void PartSet_OperationSketch::setSelectedShapes(const NCollection_List<TopoDS_Sh
   aData->real(SKETCH_ATTR_PLANE_C)->setValue(aC);
   aData->real(SKETCH_ATTR_PLANE_D)->setValue(aD);
 
-  //emit viewPlaneChanged();
+  boost::shared_ptr<GeomAPI_Dir> aDir = aPlane->direction();
+  emit viewerProjectionChange(aDir->x(), aDir->y(), aDir->z());
 
   commit();
 }
diff --git a/src/PartSet/PartSet_OperationSketchBase.h b/src/PartSet/PartSet_OperationSketchBase.h
index 72a635bb1..7ca7fd2d3 100644
--- a/src/PartSet/PartSet_OperationSketchBase.h
+++ b/src/PartSet/PartSet_OperationSketchBase.h
@@ -39,6 +39,9 @@ public:
   /// Gives the current selected objects to be processed by the operation
   /// \param a list of interactive selected objects
   virtual void setSelectedShapes(const NCollection_List<TopoDS_Shape>& theList) = 0;
+
+signals:
+  void viewerProjectionChange(double theX, double theY, double theZ);
 };
 
 #endif
diff --git a/src/XGUI/XGUI_Viewer.cpp b/src/XGUI/XGUI_Viewer.cpp
index a09722bcd..dd50e3e11 100644
--- a/src/XGUI/XGUI_Viewer.cpp
+++ b/src/XGUI/XGUI_Viewer.cpp
@@ -283,6 +283,17 @@ void XGUI_Viewer::getHotButton(XGUI::InteractionStyle theInteractionStyle,
   theButton = myButtonMap[theInteractionStyle][theOper];
 }
 
+void XGUI_Viewer::setViewProjection(double theX, double theY, double theZ)
+{
+  XGUI_ViewWindow* aWindow = dynamic_cast<XGUI_ViewWindow*>(myActiveView->widget());
+  if (aWindow) {
+    Handle(V3d_View) aView3d = aWindow->viewPort()->getView();
+    if ( !aView3d.IsNull() ) 
+      aView3d->SetProj(theX, theY, theZ);
+    aWindow->viewPort()->fitAll();
+  }
+}
+
 /*!
  Changes visibility of trihedron to opposite
  */
diff --git a/src/XGUI/XGUI_Viewer.h b/src/XGUI/XGUI_Viewer.h
index c7a2492f1..27df6840d 100644
--- a/src/XGUI/XGUI_Viewer.h
+++ b/src/XGUI/XGUI_Viewer.h
@@ -119,6 +119,12 @@ public:
   static void getHotButton(XGUI::InteractionStyle theInteractionStyle, XGUI::HotOperation theOper,
                            Qt::KeyboardModifiers& theState, Qt::MouseButtons& theButton);
 
+  //! Sets the view projection
+  /// \param theX the X projection value
+  /// \param theY the Y projection value
+  /// \param theZ the Z projection value
+  void setViewProjection(double theX, double theY, double theZ);
+
   typedef QMap<XGUI::HotOperation, Qt::KeyboardModifiers> StatesMap;
   typedef QMap<XGUI::HotOperation, Qt::MouseButtons> ButtonsMap;
 
-- 
2.39.2