Provides the GUI part.

src/dtkWidgets/dtkWidgetsMainWindow.cpp

@@ -22,6 +22,7 @@
 
 #include <dtkThemes/dtkThemesEngine>
 #include <dtkFonts/dtkFontAwesome>
+#include <dtkCore/dtkCoreParameter>
 
 // ///////////////////////////////////////////////////////////////////
 // dtkWidgetsMainWindowPrivate
@@ -29,15 +30,88 @@
 
 class dtkWidgetsMainWindowPrivate
 {
+public:
+    dtkWidgetsMenu *populateAdvancedMenu(void);
+    dtkWidgetsMenu *populateThemesMenu(dtkWidgetsMenu *);
+    dtkWidgetsMenu *populateAboutMenu(dtkWidgetsMenu *);
+
+    QObject *populateAdvancedParametersSwitch(dtkWidgetsMenu *);
+
 public:
     dtkWidgetsMenuBar *menubar = nullptr;
 
 public:
-    dtkWidgetsMenu *menu_files  = nullptr;
-    dtkWidgetsMenu *menu_themes = nullptr;
-    dtkWidgetsMenu *menu_about  = nullptr;
+    dtkWidgetsMenu *menu_advanced = nullptr;
 };
 
+dtkWidgetsMenu *dtkWidgetsMainWindowPrivate::populateAdvancedMenu(void)
+{
+    if(!this->menu_advanced) {
+        this->menu_advanced = this->menubar->addMenu(fa::question, "Advanced");
+        this->populateThemesMenu(this->menu_advanced);
+        this->populateAdvancedParametersSwitch(this->menu_advanced);
+        this->populateAboutMenu(this->menu_advanced);
+
+    }
+
+    return this->menu_advanced;
+}
+
+dtkWidgetsMenu *dtkWidgetsMainWindowPrivate::populateThemesMenu(dtkWidgetsMenu *menu)
+{
+    dtkWidgetsMenu *menu_themes = menu->menu("Themes");
+    if(!menu_themes) {
+        menu_themes = menu->addMenu(fa::paintbrush, "Themes");
+        auto *inner_menu_theme = menu_themes->addMenu(fa::paintbrush, "Choose Theme");
+        for (const QString theme : dtkThemesEngine::instance()->themes()) {
+            dtkWidgetsMenuItem * item = inner_menu_theme->addItem(new dtkWidgetsMenuItemTheme(theme));
+            QObject::connect(item, &dtkWidgetsMenuItem::clicked, [=] () {
+                dtkThemesEngine::instance()->apply(theme);
+            });
+        }
+    }
+
+    return menu_themes;
+}
+
+dtkWidgetsMenu *dtkWidgetsMainWindowPrivate::populateAboutMenu(dtkWidgetsMenu *menu)
+{
+    dtkWidgetsMenu *menu_about = menu->menu("About");
+    if(!menu_about) {
+        menu_about = menu->addMenu(fa::question, "About");
+        menu_about->addMenu(fa::question, "dtk")->addItem(0, "prout");
+        menu_about->addMenu(fa::question, "dtk environment (conda)")->addItem(0, "Pour Come");
+    }
+
+    return menu_about;
+}
+
+QObject *dtkWidgetsMainWindowPrivate::populateAdvancedParametersSwitch(dtkWidgetsMenu *menu)
+{
+    QObject *switch_widget = menu->object("Switch");
+
+    if(!switch_widget) {
+        dtk::d_bool *switch_parameter = new dtk::d_bool("Advanced Parameters", false, false, true, "Shows / Hide the advanced parameters in the menu");
+
+        switch_parameter->connect([=](QVariant v) {
+            if(!menubar) {
+                return;
+            }
+
+            menubar->displayAdvancedParameters(v.value<dtk::d_bool>());
+        });
+
+        switch_widget = menu->addParameter("Switch", switch_parameter, "dtkWidgetsParameterBoolCheckBox", true);
+
+        QObject::connect(switch_widget, &QWidget::destroyed, [=] () {
+            delete switch_parameter;
+        });
+    }
+
+
+    return switch_widget;
+}
+
 // ///////////////////////////////////////////////////////////////////
 // dtkWidgetsMainWindow
 // ///////////////////////////////////////////////////////////////////
@@ -64,57 +138,10 @@ dtkWidgetsMenuBar *dtkWidgetsMainWindow::menubar(void)
 }
 
 void dtkWidgetsMainWindow::populate(void)
-{
-//  Q_UNUSED(this->populateFileMenu());
-    Q_UNUSED(this->populateThemesMenu());
-//  Q_UNUSED(this->populateAboutMenu());
-}
-
-dtkWidgetsMenu *dtkWidgetsMainWindow::populateFileMenu(void)
-{
-    Q_UNUSED(this->menubar());
-
-    if(!d->menu_files) {
-        d->menu_files = d->menubar->insertMenu(0, fa::file, "Files");
-        d->menu_files->addItem(0, "Open");
-        d->menu_files->addItem(0, "Open Recent");
-        d->menu_files->addItem(0, "Save");
-        d->menu_files->addItem(0, "Save As");
-    }
-
-    return d->menu_files;
-}
-
-dtkWidgetsMenu *dtkWidgetsMainWindow::populateThemesMenu(void)
 {
     Q_UNUSED(this->menubar());
 
-    if(!d->menu_themes) {
-
-        d->menu_themes = d->menubar->addMenu(fa::paintbrush, "Themes");
-        auto *inner_menu_theme = d->menu_themes->addMenu(fa::paintbrush, "Choose Theme");
-        for (const QString theme : dtkThemesEngine::instance()->themes()) {
-            dtkWidgetsMenuItem * item = inner_menu_theme->addItem(new dtkWidgetsMenuItemTheme(theme));
-            connect(item, &dtkWidgetsMenuItem::clicked, [=] () {
-                dtkThemesEngine::instance()->apply(theme);
-            });
-        }
-    }
-
-    return d->menu_themes;
-}
-
-dtkWidgetsMenu *dtkWidgetsMainWindow::populateAboutMenu(void)
-{
-    Q_UNUSED(this->menubar());
-
-    if(!d->menu_about) {
-        d->menu_about = d->menubar->addMenu(fa::question, "About");
-        d->menu_about->addMenu(fa::question, "dtk")->addItem(0, "prout");
-        d->menu_about->addMenu(fa::question, "dtk environment (conda)")->addItem(0, "Pour Come");
-    }
-
-    return d->menu_about;
+    Q_UNUSED(d->populateAdvancedMenu());
 }
 
 void dtkWidgetsMainWindow::resizeEvent(QResizeEvent *event)

src/dtkWidgets/dtkWidgetsMainWindow.h

@@ -35,9 +35,6 @@ public:
 
 public:
     void            populate(void);
-    dtkWidgetsMenu *populateFileMenu(void);
-    dtkWidgetsMenu *populateThemesMenu(void);
-    dtkWidgetsMenu *populateAboutMenu(void);
 
 protected:
     void resizeEvent(QResizeEvent *event);

src/dtkWidgets/dtkWidgetsMenuBar.cpp

@@ -1142,6 +1142,11 @@ QWidget *dtkWidgetsMenuBar::container(void)
     return d->c;
 }
 
+void dtkWidgetsMenuBar::displayAdvancedParameters(bool display)
+{
+
+}
+
 // /////////////////////////////////////////////////////////////////////////////
 
 #include "dtkWidgetsMenuBar.moc"

src/dtkWidgets/dtkWidgetsMenuBar.h

@@ -59,6 +59,10 @@ public:
 public:
     QWidget *container(void);
 
+#pragma mark - Handling of advanced parameters
+
+    void displayAdvancedParameters(bool);
+
 // /////////////////////////////////////////////////////////////////////////////
 #pragma mark - Convenience builders
 // /////////////////////////////////////////////////////////////////////////////