65 lines
2.9 KiB
HTML
65 lines
2.9 KiB
HTML
<HTML><BODY>
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<HR break>
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<H2><A name=Fl_Tabs>class Fl_Tabs</A></H2>
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<HR>
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<H3>Class Hierarchy</H3>
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<UL>
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<PRE>
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<A href=Fl_Group.html#Fl_Group>Fl_Group</A>
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+----<B>Fl_Tabs</B>
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</PRE>
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</UL>
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<H3>Include Files</H3>
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<UL>
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<PRE>
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#include <FL/Fl_Tab.H>
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</PRE>
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</UL>
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<H3>Description</H3>
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The <TT>Fl_Tabs</TT> widget is the "file card tabs" interface that
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allows you to put lots and lots of buttons and switches in a panel, as
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popularized by many toolkits.
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<P ALIGN=CENTER><IMG src=tabs.gif></P>
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<P>Clicking the tab makes a child <TT>visible()</TT> (by calling <TT>
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show()</TT> on it) and all other children are invisible (by calling <TT>
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hide()</TT> on them). Usually the children are <A href=Fl_Group.html#Fl_Group>
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<TT>Fl_Group<TT></TT></A> widgets containing several widgets
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themselves. </P>
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<P>Each child makes a card, and it's <TT>label()</TT> is printed on the
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card tab (including the label font and style). The color of that child
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is used to color the card as well. Currently this only draws nicely if
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you set <A href=Fl_Widget.html#Fl_Widget.box><TT>box()</TT></A> to the
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default <TT>FL_THIN_UP_BOX</TT> or to <TT>FL_FLAT_BOX</TT>, which gets
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rid of the edges drawn on the sides and bottom. </P>
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<P>The size of the tabs is controlled by the bounding box of the
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children (there should be some space between the children and the edge
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of the <TT>Fl_Tabs</TT>), and the tabs may be placed "inverted" on the
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bottom, this is determined by which gap is larger. It is easiest to
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lay this out in fluid, using the fluid browser to select each child
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group and resize them until the tabs look the way you want them to. </P>
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<H3>Methods</H3>
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<UL>
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<LI><A href=#Fl_Tab.Fl_Tab>Fl_Tab</A></LI>
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<LI><A href=#Fl_Tab.~Fl_Tab>~Fl_Tab</A></LI>
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<LI><A href=#Fl_Tab.value>value</A></LI>
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</UL>
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<H4><A name=Fl_Tab.Fl_Tab>Fl_Tab::Fl_Tab(int x, int y, int w, int h,
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const char *label = 0)</A></H4>
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Creates a new <TT>Fl_Tab</TT> widget using the given position, size,
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and label string. The default boxtype is <TT>FL_THIN_UP_BOX</TT>.
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<P>Use <A href=Fl_Group.html#Fl_Group.add><TT>add(Fl_Widget *)</TT></A>
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to add each child (which is probably itself a <TT>Fl_Group</TT>). The
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children should be sized to stay away from the top or bottom edge of
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the <TT>Fl_Tabs</TT>, which is where the tabs are drawn. </P>
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<H4><A name=Fl_Tab.~Fl_Tab>virtual Fl_Tab::~Fl_Tab()</A></H4>
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The destructor <I>also deletes all the children</I>. This allows a
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whole tree to be deleted at once, without having to keep a pointer to
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all the children in the user code. A kludge has been done so the <TT>
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Fl_Tab</TT> and all of it's children can be automatic (local)
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variables, but you must declare the <TT>Fl_Tab</TT><I>first</I>, so
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that it is destroyed last.
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<H4><A name=Fl_Tab.value>Fl_Widget* Fl_Tabs::value() const
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<BR> int Fl_Tabs::value(Fl_Widget*)</A></H4>
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Gets or sets the currently visible widget/tab. </BODY></HTML>
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