1999-01-13 22:28:54 +03:00
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<HTML><BODY>
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<HR break>
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<H2><A name=Fl_Menu_Bar>class Fl_Menu_Bar</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_Menu_.html#Fl_Menu_>Fl_Menu_</A>
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1998-12-29 17:21:17 +03:00
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1999-01-13 22:28:54 +03:00
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+----<B>Fl_Menu_Bar</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_Menu_Bar.H>
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</PRE>
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</UL>
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<H3>Description</H3>
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This widget provides a standard menubar interface. Usually you will
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put this widget along the top edge of your window. The height of the
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widget should be 30 for the menu titles to draw correctly with the
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default font.
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<P>The items on the bar and the menus they bring up are defined by a
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single <A href=Fl_Menu_Item.html#Fl_Menu_Item><TT>Fl_Menu_Item</TT></A>
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array. Because a <TT>Fl_Menu_Item</TT> array defines a hierarchy, the
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top level menu defines the items in the menubar, while the submenus
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define the pull-down menus. Sub-sub menus and lower pop up to the right
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of the submenus. </P>
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2001-05-06 20:25:05 +04:00
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<P ALIGN=CENTER><IMG src="menubar.gif" ALT="Fl_Menu_Bar widget."></P>
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1999-01-13 22:28:54 +03:00
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<P>If there is an item in the top menu that is not a title of a
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submenu, then it acts like a "button" in the menubar. Clicking on it
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will pick it. </P>
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<P>When the user picks an item off the menu, the item's callback is
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done with the menubar as the <TT>Fl_Widget*</TT> argument. If the item
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does not have a callback the menubar's callback is done instead. </P>
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<P>Submenus will also pop up in response to shortcuts indicated by
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1999-01-27 11:45:11 +03:00
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putting a '&' character in the name field of the menu item. If you put a
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'&' character in a top-level "button" then the shortcut picks it. The
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'&' character in submenus is ignored until the menu is popped up. </P>
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1999-01-13 22:28:54 +03:00
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<P>Typing the <TT>shortcut()</TT> of any of the menu items will cause
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callbacks exactly the same as when you pick the item with the mouse. </P>
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<H3>Methods</H3>
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<UL>
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<LI><A href=#Fl_Menu_Bar.Fl_Menu_Bar>Fl_Menu_Bar</A></LI>
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<LI><A href=#Fl_Menu_Bar.~Fl_Menu_Bar>~Fl_Menu_Bar</A></LI>
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</UL>
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<H4><A name=Fl_Menu_Bar.Fl_Menu_Bar>Fl_Menu_Bar::Fl_Menu_Bar(int x, int
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y, int w, int h, const char *label = 0)</A></H4>
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Creates a new <TT>Fl_Menu_Bar</TT> widget using the given position,
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size, and label string. The default boxtype is <TT>FL_UP_BOX</TT>.
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<P>The constructor sets <TT>menu()</TT> to <TT>NULL</TT>. See <A href=Fl_Menu_.html#Fl_Menu_>
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<TT>Fl_Menu_</TT></A> for the methods to set or change the menu. </P>
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<P><TT>labelsize()</TT>, <TT>labelfont()</TT>, and <TT>labelcolor()</TT>
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are used to control how the menubar items are drawn. They are
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initialized from the <TT>Fl_Menu</TT> static variables, but you can
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change them if desired. </P>
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<P><TT>label()</TT> is ignored unless you change <TT>align()</TT> to
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put it outside the menubar. </P>
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<H4><A name=Fl_Menu_Bar.~Fl_Menu_Bar>virtual Fl_Menu_Bar::~Fl_Menu_Bar()</A>
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</H4>
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The destructor removes the <TT>Fl_Menu_Bar</TT> widget and all of its
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1999-01-15 01:14:01 +03:00
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menu items. </BODY></HTML>
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