start of trial to add sidebar style options

use a new style section in branding.desc, doesn't build as is

src/branding/default/branding.desc

@@ -15,3 +15,8 @@ images:
     productIcon:         "squid.png"
 
 slideshow:               "show.qml"
+
+style:
+   sidebarBackground:   #292F34
+   sidebarText:         #FFFFFF
+   sidebarTextSelect:   #292F34

src/libcalamaresui/Branding.cpp

@@ -62,6 +62,13 @@ QStringList Branding::s_imageEntryStrings =
     "productIcon"
 };
 
+QStringList Branding::s_styleEntryStrings =
+{
+    "sidebarBackground",
+    "sidebarText",
+    "sidebarTextSelect"
+};
+
 
 Branding::Branding( const QString& brandingFilePath,
                     QObject* parent )
@@ -146,6 +153,15 @@ Branding::Branding( const QString& brandingFilePath,
             }
             else
                 bail( "Syntax error in slideshow sequence." );
+            
+            if ( !doc[ "style" ].IsMap() )
+                bail( "Syntax error in style map." );
+
+            QVariantMap style =
+                CalamaresUtils::yamlMapToVariant( doc[ "style" ] ).toMap();
+            m_style.clear();
+            for ( auto it = style.constBegin(); it != style.constEnd(); ++it )
+                m_style.insert( it.key(), it.value().toString() );
 
         }
         catch ( YAML::Exception& e )

src/libcalamaresui/Branding.h

@@ -52,6 +52,13 @@ public:
         ProductLogo,
         ProductIcon
     };
+    
+    enum StyleEntry : short
+    {
+        SidebarBackground,
+        SidebarText,
+        SidebarTextSelect
+    };
 
     static Branding* instance();
 
@@ -66,6 +73,7 @@ public:
     QString imagePath( Branding::ImageEntry imageEntry ) const;
     QPixmap image( Branding::ImageEntry imageEntry, const QSize& size ) const;
     QString slideshowPath() const;
+    QString style( Branding::StyleEntry styleEntry ) const;
 
     /**
      * Creates a map called "branding" in the global storage, and inserts an
@@ -79,6 +87,7 @@ private:
 
     static QStringList s_stringEntryStrings;
     static QStringList s_imageEntryStrings;
+    static QStringList s_styleEntryStrings;
 
     void bail( const QString& message );
 
@@ -86,6 +95,7 @@ private:
     QString m_componentName;
     QMap< QString, QString > m_strings;
     QMap< QString, QString > m_images;
+    QMap< QString, QString > m_style;
     QString m_slideshowPath;
 };
 

src/libcalamaresui/utils/CalamaresStyle.h

@@ -23,12 +23,17 @@
 
 #include <QColor>
 
+#include "Branding.h"
+
 
 namespace CalamaresStyle {
 
-static const QColor SIDEBAR_BACKGROUND =  "#292F34";
-static const QColor SIDEBAR_TEXT =        "#FFFFFF";
-static const QColor SIDEBAR_TEXT_SELECT = "#292F34";
+static const QColor SIDEBAR_BACKGROUND =  QColor( Calamares::Branding::instance()->
+    style( Calamares::Branding::SidebarBackground ) );
+static const QColor SIDEBAR_TEXT =  QColor( Calamares::Branding::instance()->
+    style( Calamares::Branding::SidebarText ) );
+static const QColor SIDEBAR_TEXT_SELECT = QColor( Calamares::Branding::instance()->
+    style( Calamares::Branding::SidebarTextSelect ) );
 
 } // namespace CalamaresStyle