[libcalamaresui] Add a sidebar flavor setting

src/branding/default/branding.desc

@@ -41,6 +41,12 @@ windowSize: 800px,520px
 # *windowExpanding* set to "fullscreen").
 windowPlacement: center
 
+# Kind of sidebar (panel on the left, showing progress).
+#  - "widget" or unset, use traditional sidebar (logo, items)
+#  - "none", hide it entirely
+#  - "qml", use sidebar.qml from branding folder
+sidebar: none
+
 # These are strings shown to the user in the user interface.
 # There is no provision for translating them -- since they
 # are names, the string is included as-is.

src/libcalamaresui/Branding.cpp

@@ -89,6 +89,7 @@ const QStringList Branding::s_styleEntryStrings =
 // clang-format on
 // *INDENT-ON*
 
+
 const NamedEnumTable< Branding::WindowDimensionUnit >&
 Branding::WindowDimension::suffixes()
 {
@@ -407,14 +408,24 @@ getString( const YAML::Node& doc, const char* key )
 void
 Branding::initSimpleSettings( const YAML::Node& doc )
 {
+    // *INDENT-OFF*
+    // clang-format off
     static const NamedEnumTable< WindowExpansion > expansionNames {
         { QStringLiteral( "normal" ), WindowExpansion::Normal },
         { QStringLiteral( "fullscreen" ), WindowExpansion::Fullscreen },
         { QStringLiteral( "noexpand" ), WindowExpansion::Fixed }
     };
     static const NamedEnumTable< WindowPlacement > placementNames {
-        { QStringLiteral( "free" ), WindowPlacement::Free }, { QStringLiteral( "center" ), WindowPlacement::Center }
+        { QStringLiteral( "free" ), WindowPlacement::Free },
+        { QStringLiteral( "center" ), WindowPlacement::Center }
     };
+    static const NamedEnumTable< SidebarFlavor > sidebarFlavorNames {
+        { QStringLiteral( "widget" ), SidebarFlavor::Widget },
+        { QStringLiteral( "none" ), SidebarFlavor::None },
+        { QStringLiteral( "qml" ), SidebarFlavor::Qml }
+    };
+    // clang-format on
+    // *INDENT-ON*
     bool ok = false;
 
     m_welcomeStyleCalamares = doc[ "welcomeStyleCalamares" ].as< bool >( false );
@@ -431,6 +442,12 @@ Branding::initSimpleSettings( const YAML::Node& doc )
         cWarning() << "Branding module-setting *windowPlacement* interpreted as"
                    << placementNames.find( m_windowPlacement, ok );
     }
+    m_sidebarFlavor = sidebarFlavorNames.find( getString( doc, "sidebar" ), ok );
+    if ( !ok )
+    {
+        cWarning() << "Branding module-setting *sidebar* interpreted as"
+                   << sidebarFlavorNames.find( m_sidebarFlavor, ok );
+    }
 
     QString windowSize = getString( doc, "windowSize" );
     if ( !windowSize.isEmpty() )

src/libcalamaresui/Branding.h

@@ -122,6 +122,15 @@ public:
         Center,
         Free
     };
+    Q_ENUM( WindowPlacement )
+    ///@brief What kind of sidebar to use in the main window
+    enum class SidebarFlavor
+    {
+        None,
+        Widget,
+        Qml
+    };
+    Q_ENUM( SidebarFlavor )
 
     static Branding* instance();
 
@@ -214,6 +223,8 @@ private:
     WindowExpansion m_windowExpansion;
     WindowDimension m_windowHeight, m_windowWidth;
     WindowPlacement m_windowPlacement;
+
+    SidebarFlavor m_sidebarFlavor = SidebarFlavor::Widget;
 };
 
 template < typename U >