Add support for hover sequence thumbnails (via ThumbSequenceCreator)

This shows a slideshow of thumbs when the user hovers a file item.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/kitemviews/kfileitemlistview.h b/src/kitemviews/kfileitemlistview.h
index 8ef524a2d..bfbe85d12 100644
--- a/src/kitemviews/kfileitemlistview.h
+++ b/src/kitemviews/kfileitemlistview.h
@@ -10,6 +10,8 @@
 #include "dolphin_export.h"
 #include "kitemviews/kstandarditemlistview.h"
 
+#include <KFileItem>
+
 class KFileItemModelRolesUpdater;
 class QTimer;
 
@@ -78,6 +80,16 @@ public:
 
     QPixmap createDragPixmap(const KItemSet& indexes) const override;
 
+    /**
+     * Notifies the view of a change in the hover state on an item.
+     *
+     * @param itemUrl URL of the item that is hovered, or an empty URL if no item is hovered.
+     * @param seqIdx The current hover sequence index. While an item is hovered,
+     *               this method will be called repeatedly with increasing values
+     *               for this parameter.
+     */
+    void setHoverSequenceState(const QUrl& itemUrl, int seqIdx);
+
 protected:
     KItemListWidgetCreatorBase* defaultWidgetCreator() const override;
     void initializeItemListWidget(KItemListWidget* item) override;