86 lines
2.7 KiB
HTML
86 lines
2.7 KiB
HTML
<html>
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<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><pre>
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<a href="#Fl_Menu_">Fl_Menu_</a>
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+----<b>Fl_Menu_Bar</b>
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</pre></ul>
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<h3>Include Files</h3>
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<ul><pre>
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#include <FL/Fl_Menu_Bar.H>
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</pre></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 default
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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"><tt>Fl_Menu_Item</tt></a> array. Because a
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<tt>Fl_Menu_Item</tt> array defines a hierarchy, the top level menu defines the
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items in the menubar, while the submenus define the pull-down menus.
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Sub-sub menus and lower pop up to the right of the submenus.
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<p><img src=menubar.gif>
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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
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it will pick it.
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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.
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<p>Submenus will also pop up in response to shortcuts indicated by
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putting a '&' character in the name field of the menu item. If you
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put a '&' character in a top-level "button" then the shortcut picks
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it. The '&' character in submenus is ignored until the menu is popped
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up.
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<p>Typing the <tt>shortcut()</tt> of any of the menu items will cause callbacks
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exactly the same as when you pick the item with the mouse.
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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>
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<li><a href="#Fl_Menu_Bar.~Fl_Menu_Bar">~Fl_Menu_Bar</a>
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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 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, size, and
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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
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href="#Fl_Menu_"><tt>Fl_Menu_</tt></a> for the methods to set or change
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the menu.
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<P><tt>labelsize()</tt>, <tt>labelfont()</tt>, and
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<tt>labelcolor()</tt> are used to control how the menubar items are
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drawn. They are initialized from the <tt>Fl_Menu</tt> static
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variables, but you can change them if desired.
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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.
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<h4><a name="Fl_Menu_Bar.~Fl_Menu_Bar">virtual Fl_Menu_Bar::~Fl_Menu_Bar()</a></h4>
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The destructor removes the <tt>Fl_Menu_Bar</tt> widget and all of its menu items.
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</body>
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</html>
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