DolphinView: Allow to have tootips on columns headers

Add events columnHovered/columnUnHovered to KItemListview and
KItemListHeaderWidget.

2 files changed, 13 insertions, 1 deletions

diff --git a/src/kitemviews/private/kitemlistheaderwidget.cpp b/src/kitemviews/private/kitemlistheaderwidget.cpp
index ac25d189c..d23b7def9 100644
--- a/src/kitemviews/private/kitemlistheaderwidget.cpp
+++ b/src/kitemviews/private/kitemlistheaderwidget.cpp
@@ -372,6 +372,7 @@ void KItemListHeaderWidget::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
 {
     QGraphicsWidget::hoverLeaveEvent(event);
     if (m_hoveredRoleIndex != -1) {
+        Q_EMIT columnUnHovered(m_hoveredRoleIndex);
         m_hoveredRoleIndex = -1;
         update();
     }
@@ -488,8 +489,15 @@ void KItemListHeaderWidget::updatePressedRoleIndex(const QPointF &pos)
 void KItemListHeaderWidget::updateHoveredRoleIndex(const QPointF &pos)
 {
     const int hoverIndex = roleIndexAt(pos);
+
     if (m_hoveredRoleIndex != hoverIndex) {
+        if (m_hoveredRoleIndex != -1) {
+            Q_EMIT columnUnHovered(m_hoveredRoleIndex);
+        }
         m_hoveredRoleIndex = hoverIndex;
+        if (m_hoveredRoleIndex != -1) {
+            Q_EMIT columnHovered(m_hoveredRoleIndex);
+        }
         update();
     }
 }
diff --git a/src/kitemviews/private/kitemlistheaderwidget.h b/src/kitemviews/private/kitemlistheaderwidget.h
index 58c27b43a..05a5924e1 100644
--- a/src/kitemviews/private/kitemlistheaderwidget.h
+++ b/src/kitemviews/private/kitemlistheaderwidget.h
@@ -93,6 +93,9 @@ Q_SIGNALS:
      */
     void sortRoleChanged(const QByteArray &current, const QByteArray &previous);
 
+    void columnUnHovered(int roleIndex);
+    void columnHovered(int roleIndex);
+
 protected:
     void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
@@ -158,7 +161,8 @@ private:
         int x;
         int xDec;
         int index;
-    } m_movingRole;
+    };
+    MovingRole m_movingRole;
 };
 
 #endif