new color group of "complementary" colors

for areas intended to have independent background and text color than
all the rest, like the Logout dialog

if Colors:Complementary is not present in the theme, it falls back to
normal colors

src/desktoptheme/breeze/colors

@@ -88,9 +88,24 @@ ForegroundNormal=49,54,59
 ForegroundPositive=17,209,22
 ForegroundVisited=61,174,230
 
+[Colors:Complementary]
+BackgroundAlternate=59,64,69
+BackgroundNormal=49,54,59
+DecorationFocus=30,146,255
+DecorationHover=61,174,230
+ForegroundActive=246,116,0
+ForegroundInactive=175,176,179
+ForegroundLink=61,174,230
+ForegroundNegative=237,21,21
+ForegroundNeutral=201,206,59
+ForegroundNormal=239,240,241
+ForegroundPositive=17,209,22
+ForegroundVisited=61,174,230
+
+
 [General]
-ColorScheme=Plasma Next
-Name=Plasma Next
+ColorScheme=Breeze
+Name=Breeze
 shadeSortColumn=true
 
 [KDE]

src/plasma/private/theme_p.cpp

@@ -414,6 +414,11 @@ const QString ThemePrivate::processStyleSheet(const QString &css)
     elements[QStringLiteral("%viewhovercolor")] = color(Theme::ViewHoverColor).name();
     elements[QStringLiteral("%viewfocuscolor")] = color(Theme::ViewFocusColor).name();
 
+    elements[QStringLiteral("%complementarytextcolor")] = color(Theme::ComplementaryTextColor).name();
+    elements[QStringLiteral("%complementarybackgroundcolor")] = color(Theme::ComplementaryBackgroundColor).name();
+    elements[QStringLiteral("%complementaryhovercolor")] = color(Theme::ComplementaryHoverColor).name();
+    elements[QStringLiteral("%complementaryfocuscolor")] = color(Theme::ComplementaryFocusColor).name();
+
     QFont font = QGuiApplication::font();
     elements[QStringLiteral("%fontsize")] = QStringLiteral("%1pt").arg(font.pointSize());
     elements[QStringLiteral("%fontfamily")] = font.family().split('[').first();
@@ -446,6 +451,12 @@ const QString ThemePrivate::svgStyleSheet(Plasma::Svg::ColorGroup group)
 
             stylesheet += skel.arg(QStringLiteral("Highlight"), QStringLiteral("%viewhovercolor"));
             break;
+        case Svg::ComplementaryColorGroup:
+            stylesheet += skel.arg(QStringLiteral("Text"), QStringLiteral("%complementarytextcolor"));
+            stylesheet += skel.arg(QStringLiteral("Background"), QStringLiteral("%complementarybackgroundcolor"));
+
+            stylesheet += skel.arg(QStringLiteral("Highlight"), QStringLiteral("%complementaryhovercolor"));
+            break;
         default:
             stylesheet += skel.arg(QStringLiteral("Text"), QStringLiteral("%textcolor"));
             stylesheet += skel.arg(QStringLiteral("Background"), QStringLiteral("%backgroundcolor"));
@@ -464,6 +475,11 @@ const QString ThemePrivate::svgStyleSheet(Plasma::Svg::ColorGroup group)
         stylesheet += skel.arg(QStringLiteral("ViewHover"), QStringLiteral("%viewhovercolor"));
         stylesheet += skel.arg(QStringLiteral("ViewFocus"), QStringLiteral("%viewfocuscolor"));
 
+        stylesheet += skel.arg(QStringLiteral("ComplementaryText"), QStringLiteral("%complementarytextcolor"));
+        stylesheet += skel.arg(QStringLiteral("ComplementaryBackground"), QStringLiteral("%complementarybackgroundcolor"));
+        stylesheet += skel.arg(QStringLiteral("ComplementaryHover"), QStringLiteral("%complementaryhovercolor"));
+        stylesheet += skel.arg(QStringLiteral("ComplementaryFocus"), QStringLiteral("%complementaryfocuscolor"));
+
         stylesheet = processStyleSheet(stylesheet);
         cachedSvgStyleSheets.insert(group, stylesheet);
     }
@@ -546,6 +562,38 @@ QColor ThemePrivate::color(Theme::ColorRole role) const
     case Theme::ViewFocusColor:
         return viewColorScheme.decoration(KColorScheme::FocusColor).color();
 
+    case Theme::ComplementaryTextColor: {
+        KConfigGroup cg(colors, "Colors:Complementary");
+        if (cg.isValid()) {
+            return cg.readEntry("ForegroundNormal", colorScheme.foreground(KColorScheme::NormalText).color());
+        } else {
+            return colorScheme.foreground(KColorScheme::NormalText).color();
+        }
+    }
+    case Theme::ComplementaryBackgroundColor: {
+        KConfigGroup cg(colors, "Colors:Complementary");
+        if (cg.isValid()) {
+            return cg.readEntry("BackgroundNormal", colorScheme.background(KColorScheme::NormalBackground).color());
+        } else {
+            return colorScheme.background(KColorScheme::NormalBackground).color();
+        }
+    }
+    case Theme::ComplementaryHoverColor: {
+        KConfigGroup cg(colors, "Colors:Complementary");
+        if (cg.isValid()) {
+            return cg.readEntry("DecorationFocus", colorScheme.decoration(KColorScheme::HoverColor).color());
+        } else {
+            return colorScheme.decoration(KColorScheme::HoverColor).color();
+        }
+    }
+    case Theme::ComplementaryFocusColor: {
+        KConfigGroup cg(colors, "Colors:Complementary");
+        if (cg.isValid()) {
+            return cg.readEntry("DecorationHover", colorScheme.decoration(KColorScheme::FocusColor).color());
+        } else {
+            return colorScheme.decoration(KColorScheme::FocusColor).color();
+        }
+    }
     case Theme::LinkColor:
         return viewColorScheme.foreground(KColorScheme::LinkText).color();
 

src/plasma/svg.h

@@ -67,7 +67,8 @@ public:
     enum ColorGroup {
         NormalColorGroup = 0,
         ButtonColorGroup = 1,
-        ViewColorGroup = 2
+        ViewColorGroup = 2,
+        ComplementaryColorGroup = 3
     };
     Q_ENUMS(ColorGroup)
 

src/plasma/theme.cpp

@@ -532,6 +532,26 @@ QColor Theme::viewFocusColor() const
     return Plasma::Theme::color(Plasma::Theme::ViewFocusColor);
 }
 
+QColor Theme::complementaryTextColor() const
+{
+    return Plasma::Theme::color(Plasma::Theme::ComplementaryTextColor);
+}
+
+QColor Theme::complementaryBackgroundColor() const
+{
+    return Plasma::Theme::color(Plasma::Theme::ComplementaryBackgroundColor);
+}
+
+QColor Theme::complementaryHoverColor() const
+{
+    return Plasma::Theme::color(Plasma::Theme::ComplementaryHoverColor);
+}
+
+QColor Theme::complementaryFocusColor() const
+{
+    return Plasma::Theme::color(Plasma::Theme::ComplementaryFocusColor);
+}
+
 QSizeF Theme::mSize(const QFont &font) const
 {
     return QFontMetrics(font).boundingRect("M").size();

src/plasma/theme.h

@@ -81,6 +81,11 @@ class PLASMA_EXPORT Theme : public QObject
     Q_PROPERTY(QColor viewHoverColor READ viewHoverColor NOTIFY themeChanged)
     Q_PROPERTY(QColor viewFocusColor READ viewFocusColor NOTIFY themeChanged)
 
+    Q_PROPERTY(QColor complementaryTextColor READ complementaryTextColor NOTIFY themeChanged)
+    Q_PROPERTY(QColor complementaryBackgroundColor READ complementaryBackgroundColor NOTIFY themeChanged)
+    Q_PROPERTY(QColor complementaryHoverColor READ viewHoverColor NOTIFY themeChanged)
+    Q_PROPERTY(QColor complementaryFocusColor READ viewFocusColor NOTIFY themeChanged)
+
 public:
     enum ColorRole {
         TextColor = 0, /**<  the text color to be used by items resting on the background */
@@ -93,10 +98,16 @@ public:
         VisitedLinkColor = 32, /** color visited clickable links */
         ButtonHoverColor = 64, /** color for hover effect on buttons */
         ButtonFocusColor = 128, /** color for focus effect on buttons */
+
         ViewTextColor = 256, /** text color for views */
         ViewBackgroundColor = 512, /** background color for views */
         ViewHoverColor = 1024, /** color for hover effect on view */
-        ViewFocusColor = 2048 /** color for focus effect on view */
+        ViewFocusColor = 2048, /** color for focus effect on view */
+
+        ComplementaryTextColor = 4096, /** text color for "complementary" areas */
+        ComplementaryBackgroundColor = 8192, /** background color for "complementary" areas */
+        ComplementaryHoverColor = 16384, /** text color for "complementary" areas */
+        ComplementaryFocusColor = 32768 /** background color for "complementary" areas */
     };
 
     /**
@@ -419,6 +430,30 @@ public:
      */
     QColor viewFocusColor() const;
 
+    /**
+     * @return The theme's colorscheme's text color of "complementary" areas
+     * @since 5.0
+     */
+    QColor complementaryTextColor() const;
+
+    /**
+     * @return The theme's colorscheme's background color of "complementary" areas
+     * @since 5.0
+     */
+    QColor complementaryBackgroundColor() const;
+
+    /**
+     * @return The theme's colorscheme's color of hovered "complementary" areas
+     * @since 5.0
+     */
+    QColor complementaryHoverColor() const;
+
+    /**
+     * @return The theme's colorscheme's color of focused "complementary" areas
+     * @since 5.0
+     */
+    QColor complementaryFocusColor() const;
+
     /** This method allows Plasma to enable and disable the background
      * contrast effect for a given theme, improving readability. The
      * value is read from the "enabled" key in the "ContrastEffect"