+ extend ActionFunction and use in mesh view provider

src/Gui/ActionFunction.cpp

@@ -37,7 +37,9 @@ namespace Gui {
 class ActionFunctionPrivate
 {
 public:
-    QMap<QAction*, boost::function<void()> > actionFuncMap;
+    QMap<QAction*, boost::function<void()> > triggerMap;
+    QMap<QAction*, boost::function<void(bool)> > toggleMap;
+    QMap<QAction*, boost::function<void()> > hoverMap;
 };
 }
 
@@ -50,21 +52,61 @@ ActionFunction::~ActionFunction()
 {
 }
 
-void ActionFunction::mapSignal(QAction* action, boost::function<void()> func)
+void ActionFunction::trigger(QAction* action, boost::function<void()> func)
 {
     Q_D(ActionFunction);
 
-    d->actionFuncMap[action] = func;
-    connect(action, SIGNAL(triggered()), this, SLOT(trigger()));
+    d->triggerMap[action] = func;
+    connect(action, SIGNAL(triggered()), this, SLOT(triggered()));
 }
 
-void ActionFunction::trigger()
+void ActionFunction::triggered()
 {
     Q_D(ActionFunction);
 
     QAction* a = qobject_cast<QAction*>(sender());
-    QMap<QAction*, boost::function<void()> >::iterator it = d->actionFuncMap.find(a);
-    if (it != d->actionFuncMap.end()) {
+    QMap<QAction*, boost::function<void()> >::iterator it = d->triggerMap.find(a);
+    if (it != d->triggerMap.end()) {
+        // invoke the class function here
+        it.value()();
+    }
+}
+
+void ActionFunction::toggle(QAction* action, boost::function<void(bool)> func)
+{
+    Q_D(ActionFunction);
+
+    d->toggleMap[action] = func;
+    connect(action, SIGNAL(toggled(bool)), this, SLOT(toggled(bool)));
+}
+
+void ActionFunction::toggled(bool on)
+{
+    Q_D(ActionFunction);
+
+    QAction* a = qobject_cast<QAction*>(sender());
+    QMap<QAction*, boost::function<void(bool)> >::iterator it = d->toggleMap.find(a);
+    if (it != d->toggleMap.end()) {
+        // invoke the class function here
+        it.value()(on);
+    }
+}
+
+void ActionFunction::hover(QAction* action, boost::function<void()> func)
+{
+    Q_D(ActionFunction);
+
+    d->hoverMap[action] = func;
+    connect(action, SIGNAL(hovered()), this, SLOT(hovered()));
+}
+
+void ActionFunction::hovered()
+{
+    Q_D(ActionFunction);
+
+    QAction* a = qobject_cast<QAction*>(sender());
+    QMap<QAction*, boost::function<void()> >::iterator it = d->hoverMap.find(a);
+    if (it != d->hoverMap.end()) {
         // invoke the class function here
         it.value()();
     }

src/Gui/ActionFunction.h

@@ -45,13 +45,13 @@ class ActionFunctionPrivate;
         Gui::ActionFunction* func = new Gui::ActionFunction(menu);
 
         QAction* a1 = menu->addAction(QObject::tr("Menu item 1..."));
-        func->mapSignal(a1, boost::bind(&MyViewProvider::doItem1, this));
+        func->triggered(a1, boost::bind(&MyViewProvider::doItem1, this));
 
         QAction* a2 = menu->addAction(QObject::tr("Menu item 2..."));
-        func->mapSignal(a2, boost::bind(&MyViewProvider::doItem2, this));
+        func->triggered(a2, boost::bind(&MyViewProvider::doItem2, this));
 
         QAction* a3 = menu->addAction(QObject::tr("Menu item 3..."));
-        func->mapSignal(a3, boost::bind(&MyViewProvider::doItem3, this));
+        func->triggered(a3, boost::bind(&MyViewProvider::doItem3, this));
     }
   \endcode
 
@@ -71,10 +71,14 @@ class GuiExport ActionFunction : public QObject
     /*!
        Connects the QAction's triggered() signal with the function \a func
      */
-    void mapSignal(QAction* a, boost::function<void()> func);
+    void trigger(QAction* a, boost::function<void()> func);
+    void toggle(QAction* a, boost::function<void(bool)> func);
+    void hover(QAction* a, boost::function<void()> func);
 
 private Q_SLOTS:
-    void trigger();
+    void triggered();
+    void toggled(bool);
+    void hovered();
 
 private:
     QScopedPointer<ActionFunctionPrivate> d_ptr;

src/Mod/Mesh/Gui/ViewProvider.cpp

@@ -79,6 +79,7 @@
 #include <Gui/WaitCursor.h>
 #include <Gui/View3DInventor.h>
 #include <Gui/View3DInventorViewer.h>
+#include <Gui/ActionFunction.h>
 
 #include <Mod/Mesh/App/Core/Algorithm.h>
 #include <Mod/Mesh/App/Core/Evaluation.h>
@@ -92,6 +93,7 @@
 #include <Mod/Mesh/App/Mesh.h>
 #include <Mod/Mesh/App/MeshFeature.h>
 #include <zipios++/gzipoutputstream.h>
+#include <boost/bind.hpp>
 
 #include "ViewProvider.h"
 #include "SoFCIndexedFaceSet.h"
@@ -577,8 +579,13 @@ bool ViewProviderMesh::exportToVrml(const char* filename, const MeshCore::Materi
 void ViewProviderMesh::setupContextMenu(QMenu* menu, QObject* receiver, const char* member)
 {
     ViewProviderGeometryObject::setupContextMenu(menu, receiver, member);
-    QAction* act = menu->addAction(QObject::tr("Display components"), receiver, member);
-    act->setData(QVariant((int)ViewProvider::Color));
+
+    // toggle command to display components
+    Gui::ActionFunction* func = new Gui::ActionFunction(menu);
+    QAction* act = menu->addAction(QObject::tr("Display components"));
+    act->setCheckable(true);
+    act->setChecked(pcMatBinding->value.getValue() == SoMaterialBinding::PER_FACE);
+    func->toggle(act, boost::bind(&ViewProviderMesh::setHighlightedComponents, this, _1));
 }
 
 bool ViewProviderMesh::setEdit(int ModNum)
@@ -1680,6 +1687,16 @@ void ViewProviderMesh::unhighlightSelection()
     pcShapeMaterial->diffuseColor.setValue(c.r,c.g,c.b);
 }
 
+void ViewProviderMesh::setHighlightedComponents(bool on)
+{
+    if (on) {
+        highlightComponents();
+    }
+    else {
+        unhighlightSelection();
+    }
+}
+
 void ViewProviderMesh::highlightComponents()
 {
     const Mesh::MeshObject& rMesh = static_cast<Mesh::Feature*>(pcObject)->Mesh.getValue();

src/Mod/Mesh/Gui/ViewProvider.h

@@ -171,6 +171,7 @@ class MeshGuiExport ViewProviderMesh : public Gui::ViewProviderGeometryObject
     void highlightSelection();
     void unhighlightSelection();
     void highlightComponents();
+    void setHighlightedComponents(bool);
 
     virtual SoShape* getShapeNode() const;
     virtual SoNode* getCoordNode() const;