From 62227c4d1f7cbec7341618fe732c0d0285d272c5 Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Thu, 9 Nov 2017 13:51:45 +0300
Subject: [PATCH] tool box: display the item text if the icon is not defined;

shapetools: area for faces of the current shape .
---
 src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.cpp | 17 +++++++++++++++++
 src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.h   |  3 +++
 src/ModuleBase/ModuleBase_ToolBox.cpp      |  8 ++++++--
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.cpp b/src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.cpp
index eeebf25b0..fd854afb7 100644
--- a/src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.cpp
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.cpp
@@ -93,6 +93,23 @@ double GeomAlgoAPI_ShapeTools::volume(const std::shared_ptr<GeomAPI_Shape> theSh
   return aGProps.Mass();
 }
 
+//==================================================================================================
+double GeomAlgoAPI_ShapeTools::area (const std::shared_ptr<GeomAPI_Shape> theShape)
+{
+  GProp_GProps aGProps;
+  if(!theShape.get()) {
+    return 0.0;
+  }
+  const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
+  if(aShape.IsNull()) {
+    return 0.0;
+  }
+  const Standard_Real anEps = 1.e-6;
+
+  BRepGProp::SurfaceProperties(aShape, aGProps, anEps);
+  return aGProps.Mass();
+}
+
 //==================================================================================================
 std::shared_ptr<GeomAPI_Pnt>
   GeomAlgoAPI_ShapeTools::centreOfMass(const std::shared_ptr<GeomAPI_Shape> theShape)
diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.h b/src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.h
index a7f051a8d..7745c4011 100644
--- a/src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.h
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_ShapeTools.h
@@ -48,6 +48,9 @@ public:
   /// \return the total volume of the solids of the current shape or 0.0 if it can be computed.
   GEOMALGOAPI_EXPORT static double volume(const std::shared_ptr<GeomAPI_Shape> theShape);
 
+  /// \return the total area of the faces of the current shape or 0.0 if it can be computed.
+  GEOMALGOAPI_EXPORT static double area(const std::shared_ptr<GeomAPI_Shape> theShape);
+
   /// \return the centre of mass of the current face.
   /// The coordinates returned for the center of mass
   /// are expressed in the absolute Cartesian coordinate system.
diff --git a/src/ModuleBase/ModuleBase_ToolBox.cpp b/src/ModuleBase/ModuleBase_ToolBox.cpp
index 55abd0497..27197a7ed 100644
--- a/src/ModuleBase/ModuleBase_ToolBox.cpp
+++ b/src/ModuleBase/ModuleBase_ToolBox.cpp
@@ -72,8 +72,12 @@ void ModuleBase_ToolBox::addItem(QWidget* thePage, const QString& theName, const
   QToolButton* aButton = new QToolButton(myButtonsFrame);
   aButton->setFocusPolicy(Qt::StrongFocus);
   aButton->setCheckable(true);
-  aButton->setIcon(theIcon);
-  aButton->setIconSize(theIcon.size());
+  if (theIcon.isNull())
+    aButton->setText(theName);
+  else {
+    aButton->setIcon(theIcon);
+    aButton->setIconSize(theIcon.size());
+  }
   aButton->setToolTip(theName);
   aButton->setObjectName(theName);
   myButtonsGroup->addButton(aButton, anOldCount);
-- 
2.39.2