Re: [fltk/fltk] Fl::focus(Fl_Widget*) should be independent of Fl_Widget::visible_focus() (Issue #366) - Forums

On 1/12/22 6:42 AM, ManoloFLTK wrote:
>
> I confess I'm lost about what's the purpose of Fl_Widget::visible_focus(int) .
>

    As I recall, with respect to button widgets, it was the way to disable the focus box
    from being drawn on e.g. button like widgets where the focus box is inappropriate
    to see due to the needs of the application, such as buttons that are flat or invisible,
    and not intended to be seen as a button (e.g. invisible buttons positioned over images
    or other graphics, or buttons that had to be clicked to be activated, and never pushed
    by keyboard activity, etc)

    IIRC disabling this had the effect of disabling the widget from taking focus,
    perhaps to prevent accidental triggering by a stray keyhit because there's
    no visual feedback to the user that the widget has focus.

    I'm only familiar with this feature in the context of buttons, not input widgets.

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