Focus

• Alt + w focuses the widget

Supported keys and user actions

• left arrow highlights previous day
• right arrow highlights next day
• up arrow highlights same day from the previous week
• down arrow highlights same day from the next week
• ctrl left arrow navigates to previous month
• ctrl right arrow navigates to next month

• ctrl up arrow navigates to previous view
• ctrl down arrow navigates to next view
• home highlights first day of the first month
• end highlights last day of the last month
• enter or space if in "month" view selects the highlighted day. In other views navigates to lower view

Multiple Selection mode

• ctrl enter or space adds the highlighted day to the current selection. If that day was already selected it is removed from the selection.
• shift left arrow or right arrow adds the next/previous date to the selected items.
• shift up arrow or down arrow extend selection up/down one row in month view.
• shift space perform range selection, selects all dates between the last selected one (with SPACE or mouse click) and the one holding the focused cell.