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<HTML><HEAD><TITLE>Widget Hierarchy</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.49"><LINKREL="HOME"TITLE="GTK+ 1.2 Tutorial"HREF="gtk-tut.html"><LINKREL="UP"TITLE="Widget Overview"HREF="ch-widgetoverview.html"><LINKREL="PREVIOUS"TITLE="Widget Overview"HREF="ch-widgetoverview.html"><LINKREL="NEXT"TITLE="Widgets Without Windows"HREF="sec-widgetswithoutwindows.html"></HEAD></head><body bgcolor="#FFFFFF" marginheight=0 marginwidth=0 width="100%"><table cellspacing=6 border=0 cellpadding=0 width="100%">  <tr>    <td bgcolor="#FFFFFF" valign=top nowrap>    <centeR><A HREF="/"><img src="/images/gtk-logo-rgb.gif" width=107 height=140 border=0></A>      <font face="helvetica,lucidia" color="#000000"><BR><BR><b>GTK+<BR>The GIMP Toolkit</b></center><BR><table width=100% cellspacing=0 cellpadding=2 border=0><tr><td bgcolor="#000000"><table width=100% cellspacing=0 cellpadding=4 border=0><tr><td bgcolor="#AAAAEE" nowrap><B>General</B></td></tr><tr><td bgcolor="#FFFFFF" nowrap><A HREF="/">Introduction</A><BR><A HREF="/screenshots/">Screenshots</A><br><A HREF="/download/">Download</A><br><A HREF="/mailinglists.html">Mailing Lists</A><BR><A HREF="/bindings.html">Language Bindings</A><BR><A HREF="http://gtk.themes.org/">Themes</A><BR><A HREF="/bugs.html">Bug Tracker</A><BR></td></tr></table></td></tr></table><BR>  <table width=100% cellspacing=0 cellpadding=2 border=0><tr><td bgcolor="#000000"><table width=100% cellspacing=0 cellpadding=4 border=0><tr><td bgcolor="#AAAAEE" nowrap><B>Documentation</B></td></tr><tr><td bgcolor="#FFFFFF" nowrap><A HREF="/faq/">FAQ</A><br><A HREF="/tutorial/">Tutorial</A><BR><A HREF="/api/">API Reference</A><br><A HREF="/books.html">Published Books</A><BR></td></tr></table></td></tr></table><BR>  <table width=100% cellspacing=0 cellpadding=2 border=0><tr><td bgcolor="#000000"><table width=100% cellspacing=0 cellpadding=4 border=0><tr><td bgcolor="#AAAAEE" nowrap><B>Projects</B></td></tr><tr><td bgcolor="#FFFFFF" nowrap><A HREF="http://www.pango.org/">Pango</A><BR><A HREF="http://sources.redhat.com/inti/">Inti</A><BR><A HREF="http://www.gnome.org/">GNOME</A><BR><A HREF="http://user.sgic.fi/~tml/gimp/win32/">GTK+ for Win32</A><br><A HREF="http://people.redhat.com/sopwith/gtkfb/">GtkFB (Framebuffer)</A><br><A HREF="http://www.directfb.org/gtk.xml">GTK+ on DirectFB</A><BR><A HREF="/beos/">GTK+ for BeOS</A></td></tr></table></td></tr></table><BR>  <table width=100% cellspacing=0 cellpadding=2 border=0><tr><td bgcolor="#000000"><table width=100% cellspacing=0 cellpadding=4 border=0><tr><td bgcolor="#AAAAEE" nowrap><B><B>Applications</B></B></td></tr><tr><td bgcolor="#FFFFFF" nowrap><A HREF="http://www.gimp.org/">GIMP</A><BR><A HREF="http://www.abiword.org/">Abiword</A><BR><A HREF="http://www.lysator.liu.se/~alla/dia/dia.html">Dia</A><BR><A HREF="http://glade.pn.org/">Glade</A><BR><A HREF="http://www.gnucash.org/">GnuCash</A><BR><A HREF="http://www.gnome.org/projects/gnumeric/">Gnumeric</A><BR><BR><A HREF="http://www.gnome.org/applist/">GNOME Software Map</A><br></td></tr></table></td></tr></table><BR>      </td>  <td bgcolor="#ffffff" valign=top width="99%"><font face="lucida,helvetica"><BODYCLASS="SECT1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">GTK+ 1.2 Tutorial</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="ch-widgetoverview.html">&#60;&#60;&#60; Previous</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Chapter 5. Widget Overview</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="sec-widgetswithoutwindows.html">Next &#62;&#62;&#62;</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="SEC-WIDGETHIERARCHY">5.2. Widget Hierarchy</A></H1><P>For your reference, here is the class hierarchy tree used to implement widgets.</P><TABLEBORDER="0"BGCOLOR="#E0E0E0"WIDTH="100%"><TR><TD><PRECLASS="PROGRAMLISTING"> GtkObject  +GtkWidget  | +GtkMisc  | | +GtkLabel  | | | +GtkAccelLabel  | | | `GtkTipsQuery  | | +GtkArrow  | | +GtkImage  | | `GtkPixmap  | +GtkContainer  | | +GtkBin  | | | +GtkAlignment  | | | +GtkFrame  | | | | `GtkAspectFrame  | | | +GtkButton  | | | | +GtkToggleButton  | | | | | `GtkCheckButton  | | | | |   `GtkRadioButton  | | | | `GtkOptionMenu  | | | +GtkItem  | | | | +GtkMenuItem  | | | | | +GtkCheckMenuItem  | | | | | | `GtkRadioMenuItem  | | | | | `GtkTearoffMenuItem  | | | | +GtkListItem  | | | | `GtkTreeItem  | | | +GtkWindow  | | | | +GtkColorSelectionDialog  | | | | +GtkDialog  | | | | | `GtkInputDialog  | | | | +GtkDrawWindow  | | | | +GtkFileSelection  | | | | +GtkFontSelectionDialog  | | | | `GtkPlug  | | | +GtkEventBox  | | | +GtkHandleBox  | | | +GtkScrolledWindow  | | | `GtkViewport  | | +GtkBox  | | | +GtkButtonBox  | | | | +GtkHButtonBox  | | | | `GtkVButtonBox  | | | +GtkVBox  | | | | +GtkColorSelection  | | | | `GtkGammaCurve  | | | `GtkHBox  | | |   +GtkCombo  | | |   `GtkStatusbar  | | +GtkCList  | | | `GtkCTree  | | +GtkFixed  | | +GtkNotebook  | | | `GtkFontSelection  | | +GtkPaned  | | | +GtkHPaned  | | | `GtkVPaned  | | +GtkLayout  | | +GtkList  | | +GtkMenuShell  | | | +GtkMenuBar  | | | `GtkMenu  | | +GtkPacker  | | +GtkSocket  | | +GtkTable  | | +GtkToolbar  | | `GtkTree  | +GtkCalendar  | +GtkDrawingArea  | | `GtkCurve  | +GtkEditable  | | +GtkEntry  | | | `GtkSpinButton  | | `GtkText  | +GtkRuler  | | +GtkHRuler  | | `GtkVRuler  | +GtkRange  | | +GtkScale  | | | +GtkHScale  | | | `GtkVScale  | | `GtkScrollbar  | |   +GtkHScrollbar  | |   `GtkVScrollbar  | +GtkSeparator  | | +GtkHSeparator  | | `GtkVSeparator  | +GtkPreview  | `GtkProgress  |   `GtkProgressBar  +GtkData  | +GtkAdjustment  | `GtkTooltips  `GtkItemFactory</PRE></TD></TR></TABLE></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="ch-widgetoverview.html">&#60;&#60;&#60; Previous</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="gtk-tut.html">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="sec-widgetswithoutwindows.html">Next &#62;&#62;&#62;</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">Widget Overview</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ch-widgetoverview.html">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">Widgets Without Windows</TD></TR></TABLE></DIV>        </td>    </tr></table>  </td>  </tr></table></body></BODY></HTML>
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