The Fl_Check_Browser widget displays a scrolling list of text
lines that may be selected and/or checked by the user.
The constructor makes an empty browser.
Add a new unchecked line to the end of the browser. The text is copied
using the strdup() function. It may also be NULL to make
a blank line. The second form can set the item checked.
Sets all the items checked.
Sets all the items unchecked.
The first form gets the current status of item item. The second form
sets the check status of item item to b.
Remove every item from the browser.
Returns how many items are currently checked.
Returns how many lines are in the browser. The last line number is equal to
Remove line n and make the browser one line shorter. Returns the
number of lines left in the browser.
Equivalent to Fl_Check_Browser::checked(item, 1).
Return a pointer to an internal buffer holding item item's text.
Returns the index of the currently selected item.