Move the focus

Scroll the current picture if it is zoomed larger than the viewing window

Scroll the content

Switch to the next/previous picture

Focus and scroll to the first/last item

Switch to the first/last picture

Select/Deselect the focused item

Switch to the next picture

Zoom in/out

Zoom fitting the viewing window

Select all files

Select all files and folders

Select and focus the item at cursor

View the focused picture, open the selected folder or execute the focused item using the system default operation

Switch to the browsing mode

Add/remove item to selection

Start to select on the current picture

Add all items between the focus and the cursor position to selection

Drag the selected items to other programs which support Drag&Drop

Scroll the current picture if it is zoomed larger than the viewing window