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Check for child visibility in Fl_Scroll (#432) 

Calculate scroll area only according to visible children.

Note: "visible" means in this context: "not hidden" - as opposed
to being invisible because the widget doesn't have a background
and a label.
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DieSkaarj 2022-11-06 17:34:42 +00:00 committed by GitHub
parent f904f4c4ec
commit 38d40365f8
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src/Fl_Scroll.cxx
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@ -206,7 +206,7 @@ void Fl_Scroll::recalc_scrollbars(ScrollInfo &si) const {
Fl_Widget*const* a = array();
for (int i=children(); i--;) {
Fl_Widget* o = *a++;
if ( o==&scrollbar || o==&hscrollbar ) continue;
if ( o==&scrollbar || o==&hscrollbar || o->visible()==0 ) continue;
if ( first ) {
first = 0;
si.child.l = o->x();