DolphinView: Allow to have tootips on columns headers

Add events columnHovered/columnUnHovered to KItemListview and
KItemListHeaderWidget.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/views/dolphinview.h b/src/views/dolphinview.h
index fc5fd52ff..cb8953579 100644
--- a/src/views/dolphinview.h
+++ b/src/views/dolphinview.h
@@ -886,7 +886,7 @@ private:
 
     void updatePlaceholderLabel();
 
-    void tryShowNameToolTip(QHelpEvent *event);
+    bool tryShowNameToolTip(QHelpEvent *event);
 
 private:
     void updatePalette();
@@ -939,6 +939,9 @@ private:
     QLabel *m_placeholderLabel;
     QTimer *m_showLoadingPlaceholderTimer;
 
+    /// The information roleIndex of the list column header currently hovered
+    int m_hoveredColumnHearderRoleIndex;
+
     /// Used for selection mode. @see setSelectionMode()
     std::unique_ptr<QProxyStyle> m_proxyStyle;