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Expanded docs for Fl_Browser_ to define the supported

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keyboard navigation behavior.



git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@9846 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
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Greg Ercolano 2013-03-23 21:24:18 +00:00
parent 5979afb5bf
commit 65aefad242
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FL/Fl_Browser_.H
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@ -54,6 +54,25 @@
useful if actually figuring out the size of an object requires
accessing image data or doing stat() on a file or doing some
other slow operation.
Keyboard navigation of browser items
------------------------------------
The keyboard navigation of browser items is only possible if
visible_focus() is enabled. If disabled, the widget rejects keyboard focus;
Tab and Shift-Tab focus navigation will skip the widget.
In 'Select' and 'Normal' mode, the widget rejects keyboard focus;
no navigation keys are supported (other than scrollbar positioning).
In 'Hold' mode, the widget accepts keyboard focus, and Up/Down arrow
keys can navigate the selected item.
In 'Multi' mode, the widget accepts keyboard focus, and Up/Down arrow
keys navigate the focus box; Space toggles the current item's selection,
Enter selects only the current item (deselects all others). If Shift
(or Ctrl) is combined with Up/Down arrow keys, the current item's
selection state is extended to the next item. In this way one can
extend a selection or de-selection.
*/
class FL_EXPORT Fl_Browser_ : public Fl_Group {
int position_; // where user wants it scrolled to