Add keyboard actions to PictureViewer2

Never, ever forget: QVariant() casts to a valid int! Again, this was a
tough one, but maybe I shouldn't drink and program.
PictureViewer2 reacts to Escape and Space. Escape hides it and stops the
slide timer, Space activates the slide timer.

1 files changed, 1 insertions, 0 deletions

diff --git a/pictureswidget.h b/pictureswidget.h
index 0239560..cdc40b5 100644
--- a/pictureswidget.h
+++ b/pictureswidget.h
@@ -74,6 +74,7 @@ class PictureView : public QTreeView {
         void refresh();
         void setPVData(int replace = false);
         void setPVAll();
+        void setHoverWinVisible(bool visible) const;
 
     protected:
         virtual void hideEvent(QHideEvent *);