classTabBar will display a line under the tab representing the page if
set to TRUE. If the tab is not visible, the corresponding edge of the tab
bar will be highlighted.
classTabOverview will display a dot in the corner of the thumbnail if set
to TRUE.
classTabButton will display a dot if any of the pages that aren't
selected have propertyTabPage:needs-attention set to TRUE.
Sets whether self needs attention.
classTabBar will display a line under the tab representing the page if set to TRUE. If the tab is not visible, the corresponding edge of the tab bar will be highlighted.
classTabOverview will display a dot in the corner of the thumbnail if set to TRUE.
classTabButton will display a dot if any of the pages that aren't selected have propertyTabPage:needs-attention set to TRUE.