X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/54b5a283765f168575f2eaeff95c93dbeca3d63d..01e4f60a0931aba506b184d384a4e2f926b2233c:/src/kitemviews/kitemlistgroupheader.h

diff --git a/src/kitemviews/kitemlistgroupheader.h b/src/kitemviews/kitemlistgroupheader.h
index 20a58cc5b..1e8ed2cca 100644
--- a/src/kitemviews/kitemlistgroupheader.h
+++ b/src/kitemviews/kitemlistgroupheader.h
@@ -30,6 +30,13 @@
 
 class KItemListView;
 
+/**
+ * @brief Base class for group headers.
+ *
+ * Draws a default header background. Derived classes must reimplement
+ * the method paint() and draw the role within the given roleBounds() with
+ * the color roleColor().
+ */
 class LIBDOLPHINPRIVATE_EXPORT KItemListGroupHeader : public QGraphicsWidget
 {
     Q_OBJECT
@@ -55,9 +62,15 @@ public:
     void setScrollOrientation(Qt::Orientation orientation);
     Qt::Orientation scrollOrientation() const;
 
+    void setItemIndex(int index);
+    int itemIndex() const;
+
     virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = 0);
 
 protected:
+    virtual void paintRole(QPainter* painter, const QRectF& roleBounds, const QColor& color) = 0;
+    virtual void paintSeparator(QPainter* painter, const QColor& color) = 0;
+
     /**
      * Is called after the role has been changed and allows the derived class
      * to react on this change.
@@ -82,22 +95,37 @@ protected:
      */
     virtual void scrollOrientationChanged(Qt::Orientation current, Qt::Orientation previous);
 
+    /**
+     * Is called after the item index has been changed and allows the derived class to react on
+     * this change.
+     */
+    virtual void itemIndexChanged(int current, int previous);
+
     /** @reimp */
     virtual void resizeEvent(QGraphicsSceneResizeEvent* event);
 
+    virtual QPalette::ColorRole normalTextColorRole() const;
+    virtual QPalette::ColorRole normalBaseColorRole() const;
+
 private:
     void updateCache();
 
+    static QColor mixedColor(const QColor& c1, const QColor& c2, int c1Percent = 50);
+
+    QColor textColor() const;
+    QColor baseColor() const;
+
 private:
     bool m_dirtyCache;
     QByteArray m_role;
     QVariant m_data;
     KItemListStyleOption m_styleOption;
     Qt::Orientation m_scrollOrientation;
+    int m_itemIndex;
 
-    QPixmap* m_leftBorderCache;
-    QPixmap* m_rightBorderCache;
-    QColor m_outlineColor;
+    QColor m_separatorColor;
+    QColor m_roleColor;
+    QRectF m_roleBounds;
 };
 #endif