Add new setting for disabled feeds: Custom color options (#1652)

src/librssguard/core/feedsmodel.cpp

@@ -564,6 +564,16 @@ QVariant FeedsModel::data(const QModelIndex& index, int role) const {
       }
     }
 
+    case Qt::ItemDataRole::ForegroundRole: {
+      RootItem* it = itemForIndex(index);
+
+      if (it->kind() == RootItem::Kind::Feed && qobject_cast<Feed*>(it)->isSwitchedOff()) {
+        return qApp->settings()->value(GROUP(CustomSkinColors), SETTING(CustomSkinColors::Enabled)).toBool()
+        ? qApp->skins()->colorForModel(SkinEnums::PaletteColors::FgDisabledFeed)
+        : QColor("#d1d1d1");
+      }
+    }
+
     case Qt::ItemDataRole::ToolTipRole:
       if (!qApp->settings()->value(GROUP(Feeds), SETTING(Feeds::EnableTooltipsFeedsMessages)).toBool()) {
         return QVariant();

src/librssguard/miscellaneous/skinfactory.cpp

@@ -649,6 +649,9 @@ QString SkinEnums::palleteColorText(PaletteColors col) {
     case SkinEnums::PaletteColors::Allright:
       return QObject::tr("OK-ish color");
 
+    case SkinEnums::PaletteColors::FgDisabledFeed:
+      return QObject::tr("disabled items");
+
     default:
       return {};
   }

src/librssguard/miscellaneous/skinfactory.h

@@ -41,7 +41,10 @@ class SkinEnums : public QObject {
       FgNewMessages = 32,
 
       // Foreground color of selected items with new articles.
-      FgSelectedNewMessages = 64
+      FgSelectedNewMessages = 64,
+
+      // Foreground color of disabled items.
+      FgDisabledFeed = 128
     };
 
     static QString palleteColorText(PaletteColors col);