Gui: Add translations for color bar labels

src/Gui/SoFCColorBar.cpp

@@ -319,7 +319,7 @@ void SoFCColorBar::handleEvent (SoHandleEventAction *action)
                 QMenu menu;
                 int i=0;
                 for (std::vector<SoFCColorBarBase*>::const_iterator it = _colorBars.begin(); it != _colorBars.end(); ++it) {
-                    QAction* item = menu.addAction(QLatin1String((*it)->getColorBarName()));
+                    QAction* item = menu.addAction(QObject::tr((*it)->getColorBarName()));
                     item->setCheckable(true);
                     item->setChecked((*it) == current);
                     item->setData(QVariant(i++));

src/Gui/SoFCColorGradient.cpp

@@ -24,6 +24,7 @@
 
 #ifndef _PreComp_
 # include <sstream>
+# include <QCoreApplication>
 # include <Inventor/fields/SoMFString.h>
 # include <Inventor/nodes/SoBaseColor.h>
 # include <Inventor/nodes/SoCoordinate3.h>
@@ -83,6 +84,11 @@ void SoFCColorGradient::finish()
     atexit_cleanup();
 }
 
+const char* SoFCColorGradient::getColorBarName() const
+{
+    return QT_TRANSLATE_NOOP("QObject", "Color Gradient");
+}
+
 void SoFCColorGradient::setMarkerLabel(const SoMFString& label)
 {
     coinRemoveAllChildren(labels);

src/Gui/SoFCColorGradient.h

@@ -27,8 +27,6 @@
 #include <Inventor/SbBox2f.h>
 #include <Inventor/nodes/SoSeparator.h>
 
-#include <QCoreApplication> // For translation functions
-
 #include "SoFCColorBar.h"
 
 
@@ -42,7 +40,6 @@ class GuiExport SoFCColorGradient : public SoFCColorBarBase {
   using inherited = SoFCColorBarBase;
 
   SO_NODE_HEADER(Gui::SoFCColorGradient);
-  Q_DECLARE_TR_FUNCTIONS(SoFCColorGradient);
 
 public:
   static void initClass();
@@ -74,7 +71,7 @@ public:
    */
   void customize(SoFCColorBarBase*) override;
   /** Returns the name of the color bar. */
-  const char* getColorBarName() const override { return tr("Color Gradient").toStdString().c_str(); }
+  const char* getColorBarName() const override;
 
 protected:
   /**

src/Gui/SoFCColorLegend.cpp

@@ -24,6 +24,7 @@
 
 #ifndef _PreComp_
 # include <sstream>
+# include <QCoreApplication>
 # include <Inventor/fields/SoMFString.h>
 # include <Inventor/nodes/SoBaseColor.h>
 # include <Inventor/nodes/SoCoordinate3.h>
@@ -81,6 +82,11 @@ void SoFCColorLegend::finish()
     atexit_cleanup();
 }
 
+const char* SoFCColorLegend::getColorBarName() const
+{
+    return QT_TRANSLATE_NOOP("QObject", "Color Legend");
+}
+
 namespace {
 std::vector<SbVec3f> getLabelPositions(int num, const SbBox2f& bbox)
 {

src/Gui/SoFCColorLegend.h

@@ -26,8 +26,6 @@
 #include <Inventor/SbBox2f.h>
 #include <Inventor/nodes/SoSeparator.h>
 
-#include <QCoreApplication> // For translation functions
-
 #include "SoFCColorBar.h"
 
 
@@ -41,7 +39,6 @@ class GuiExport SoFCColorLegend : public SoFCColorBarBase {
   using inherited = SoFCColorBarBase;
 
   SO_NODE_HEADER(Gui::SoFCColorLegend);
-  Q_DECLARE_TR_FUNCTIONS(SoFCColorLegend);
 
 public:
   static void initClass();
@@ -69,7 +66,7 @@ public:
   std::size_t countColors () const { return _currentLegend.hasNumberOfFields(); }
 
   void customize(SoFCColorBarBase*) override { }
-  const char* getColorBarName() const override { return tr("Color Legend").toStdString().c_str(); }
+  const char* getColorBarName() const override;
 
 //  virtual void handleEvent(SoHandleEventAction * action);
 //  virtual void GLRenderBelowPath(SoGLRenderAction * action);