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Improve and reorder Fl_Tabs documentation

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Note: this also removes the (not working) suggestion to add an invisible
box to an Fl_Scroll-type child of Fl_Tabs.
This commit is contained in:
Albrecht Schlosser
2025-01-16 15:35:59 +01:00
parent d5461c55a7
commit a6f51105d0
1 changed files with 11 additions and 11 deletions
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FL/Fl_Tabs.H
+11 -11
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@@ -39,17 +39,6 @@ struct Fl_Menu_Item;
other children are made invisible by calling hide() on them. Usually the
children are Fl_Group widgets containing several widgets themselves.
\b Note: The widgets contained in each child should leave some clear space (five
pixels as of FLTK 1.4.0) at the top or bottom of the group where the tabs are
displayed, otherwise drawing the children may interfere with the separation
border between the tabs and the children. This is particularly important if the
child group is an Fl_Scroll widget: either the Fl_Scroll widget can be inset by
five pixels relative to other children or it must be ensured that the widgets
inside the Fl_Scroll group stay away from the top or bottom by this amount. You
can use an invisible Fl_Box at the top (or bottom) of the Fl_Scroll widget so
other (visible) widgets can't be scrolled all the way up or down to achieve this.
<!-- See GitHub issue #1175. -->
Each child makes a card, and its label() is printed
on the card tab, including the label font and style. The
selection color of that child is used to color the tab, while
@@ -65,6 +54,17 @@ struct Fl_Menu_Item;
FLUID browser to select each child group and resize them until
the tabs look the way you want them to.
\b Note: The widgets contained in each child should leave some clear space
(five pixels as of FLTK 1.4.x) at the top or bottom of the group (where the
tabs are displayed). Otherwise drawing the children may interfere with the
selection border between the tabs and the children. This is particularly
important if the child group is an Fl_Scroll widget: either the Fl_Scroll
widget must be inset by five pixels relative to other children or it can
be wrapped inside another Fl_Group and inset by five pixels within this
group so the contents of the Fl_Scroll widget are kept away from the tabs
by this amount.
<!-- See GitHub issue #1175. -->
The background area behind and to the right of the tabs is
"transparent", exposing the background detail of the parent. The
value of Fl_Tabs::box() does not affect this area. So if Fl_Tabs is