Used to control what selections users are allowed to make.
GTK_SELECTION_NONE
No selection is possible.
GTK_SELECTION_SINGLE
Zero or one element may be selected.
GTK_SELECTION_BROWSE
Exactly one element is selected. In some circumstances,
such as initially or during a search operation, it's possible for no element
to be selected with GTK_SELECTION_BROWSE. What is really enforced is that
the user can't deselect a currently selected element except by selecting
another element.
GTK_SELECTION_MULTIPLE
Any number of elements may be selected.
Clicks toggle the state of an item. Any number of elements may be selected.
The Ctrl key may be used to enlarge the selection, and Shift key to select
between the focus and the child pointed to. Some widgets may also allow
Click-drag to select a range of elements.
GTK_SELECTION_EXTENDED
Deprecated, behaves identical to GTK_SELECTION_MULTIPLE.
Used to control what selections users are allowed to make. GTK_SELECTION_NONE No selection is possible. GTK_SELECTION_SINGLE Zero or one element may be selected. GTK_SELECTION_BROWSE Exactly one element is selected. In some circumstances, such as initially or during a search operation, it's possible for no element to be selected with GTK_SELECTION_BROWSE. What is really enforced is that the user can't deselect a currently selected element except by selecting another element. GTK_SELECTION_MULTIPLE Any number of elements may be selected. Clicks toggle the state of an item. Any number of elements may be selected. The Ctrl key may be used to enlarge the selection, and Shift key to select between the focus and the child pointed to. Some widgets may also allow Click-drag to select a range of elements. GTK_SELECTION_EXTENDED Deprecated, behaves identical to GTK_SELECTION_MULTIPLE.