📄 gtkoptionmenu.html
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<HTML><HEAD><TITLE>GtkOptionMenu</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.61"><LINKREL="HOME"TITLE="GTK+ Reference Manual"HREF="index.html"><LINKREL="UP"TITLE="GTK+ Widgets and Objects"HREF="gtkobjects.html"><LINKREL="PREVIOUS"TITLE="GtkObject"HREF="gtkobject.html"><LINKREL="NEXT"TITLE="GtkPacker"HREF="gtkpacker.html"></HEAD><BODYCLASS="REFENTRY"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLEWIDTH="100%"BORDER="0"BGCOLOR="#000000"CELLPADDING="1"CELLSPACING="0"><TR><THCOLSPAN="4"ALIGN="center"><FONTCOLOR="#FFFFFF"SIZE="5">GTK+ Reference Manual</FONT></TH></TR><TR><TDWIDTH="25%"BGCOLOR="#C00000"ALIGN="left"><AHREF="gtkobject.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B><<< Previous Page</B></FONT></A></TD><TDWIDTH="25%"BGCOLOR="#0000C0"ALIGN="center"><FONTCOLOR="#FFFFFF"SIZE="3"><B><AHREF="index.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Home</B></FONT></A></B></FONT></TD><TDWIDTH="25%"BGCOLOR="#00C000"ALIGN="center"><FONTCOLOR="#FFFFFF"SIZE="3"><B><AHREF="gtkobjects.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Up</B></FONT></A></B></FONT></TD><TDWIDTH="25%"BGCOLOR="#C00000"ALIGN="right"><AHREF="gtkpacker.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Next Page >>></B></FONT></A></TD></TR></TABLE></DIV><H1><ANAME="GTKOPTIONMENU">GtkOptionMenu</A></H1><DIVCLASS="REFNAMEDIV"><ANAME="AEN35099"></A><H2>Name</H2>GtkOptionMenu -- a widget used to choose from a list of valid choices.</DIV><DIVCLASS="REFSYNOPSISDIV"><ANAME="AEN35102"></A><H2>Synopsis</H2><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="SYNOPSIS"> #include <gtk/gtk.h>struct <AHREF="gtkoptionmenu.html#GTKOPTIONMENU-STRUCT">GtkOptionMenu</A>;<AHREF="gtkwidget.html">GtkWidget</A>* <AHREF="gtkoptionmenu.html#GTK-OPTION-MENU-NEW">gtk_option_menu_new</A> (void);<AHREF="gtkwidget.html">GtkWidget</A>* <AHREF="gtkoptionmenu.html#GTK-OPTION-MENU-GET-MENU">gtk_option_menu_get_menu</A> (<AHREF="gtkoptionmenu.html">GtkOptionMenu</A> *option_menu);void <AHREF="gtkoptionmenu.html#GTK-OPTION-MENU-SET-MENU">gtk_option_menu_set_menu</A> (<AHREF="gtkoptionmenu.html">GtkOptionMenu</A> *option_menu, <AHREF="gtkwidget.html">GtkWidget</A> *menu);void <AHREF="gtkoptionmenu.html#GTK-OPTION-MENU-REMOVE-MENU">gtk_option_menu_remove_menu</A> (<AHREF="gtkoptionmenu.html">GtkOptionMenu</A> *option_menu);void <AHREF="gtkoptionmenu.html#GTK-OPTION-MENU-SET-HISTORY">gtk_option_menu_set_history</A> (<AHREF="gtkoptionmenu.html">GtkOptionMenu</A> *option_menu, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> index); </PRE></TD></TR></TABLE></DIV><DIVCLASS="REFSECT1"><ANAME="AEN35119"></A><H2>Object Hierarchy</H2><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="SYNOPSIS"> <AHREF="gtkobject.html">GtkObject</A> +----<AHREF="gtkwidget.html">GtkWidget</A> +----<AHREF="gtkcontainer.html">GtkContainer</A> +----<AHREF="gtkbin.html">GtkBin</A> +----<AHREF="gtkbutton.html">GtkButton</A> +----GtkOptionMenu</PRE></TD></TR></TABLE></DIV><DIVCLASS="REFSECT1"><ANAME="AEN35127"></A><H2>Description</H2><P>A <AHREF="gtkoptionmenu.html">GtkOptionMenu</A> is a widget that allows the user to choose from alist of valid choices. The <AHREF="gtkoptionmenu.html">GtkOptionMenu</A> displays the selected choice. When activated the <AHREF="gtkoptionmenu.html">GtkOptionMenu</A> displays a popup <AHREF="gtkmenu.html">GtkMenu</A> which allows the user to make a new choice.</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN35134"></A><H2>Details</H2><DIVCLASS="REFSECT2"><ANAME="AEN35136"></A><H3><ANAME="GTKOPTIONMENU-STRUCT"></A>struct GtkOptionMenu</H3><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="PROGRAMLISTING">struct GtkOptionMenu;</PRE></TD></TR></TABLE><P>The <AHREF="gtkoptionmenu.html#GTKOPTIONMENU-STRUCT">GtkOptionMenu</A> struct contains private data only, and should be accessed using the functions below.</P></DIV><HR><DIVCLASS="REFSECT2"><ANAME="AEN35142"></A><H3><ANAME="GTK-OPTION-MENU-NEW"></A>gtk_option_menu_new ()</H3><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="PROGRAMLISTING"><AHREF="gtkwidget.html">GtkWidget</A>* gtk_option_menu_new (void);</PRE></TD></TR></TABLE><P>Creates a new <AHREF="gtkoptionmenu.html">GtkOptionMenu</A>.</P><DIVCLASS="INFORMALTABLE"><ANAME="AEN35149"></A><P></P><TABLEBORDER="0"WIDTH="100%"BGCOLOR="#FFD0D0"CELLSPACING="0"CELLPADDING="4"CLASS="CALSTABLE"><TBODY><TR><TDWIDTH="20%"ALIGN="RIGHT"VALIGN="TOP"><ICLASS="EMPHASIS">Returns</I> :</TD><TDWIDTH="80%"ALIGN="LEFT"VALIGN="TOP">a new <AHREF="gtkoptionmenu.html">GtkOptionMenu</A>. </TD></TR></TBODY></TABLE><P></P></DIV></DIV><HR><DIVCLASS="REFSECT2"><ANAME="AEN35159"></A><H3><ANAME="GTK-OPTION-MENU-GET-MENU"></A>gtk_option_menu_get_menu ()</H3><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="PROGRAMLISTING"><AHREF="gtkwidget.html">GtkWidget</A>* gtk_option_menu_get_menu (<AHREF="gtkoptionmenu.html">GtkOptionMenu</A> *option_menu);</PRE></TD></TR></TABLE><P>Returns the <AHREF="gtkmenu.html">GtkMenu</A> associated with the <AHREF="gtkoptionmenu.html">GtkOptionMenu</A>.</P><DIVCLASS="INFORMALTABLE"><ANAME="AEN35168"></A><P></P><TABLEBORDER="0"WIDTH="100%"BGCOLOR="#FFD0D0"CELLSPACING="0"CELLPADDING="4"CLASS="CALSTABLE"><TBODY><TR><TDWIDTH="20%"ALIGN="RIGHT"VALIGN="TOP"><TTCLASS="PARAMETER"><I>option_menu</I></TT> :</TD><TDWIDTH="80%"ALIGN="LEFT"VALIGN="TOP">a <AHREF="gtkoptionmenu.html">GtkOptionMenu</A>.</TD></TR><TR><TDWIDTH="20%"ALIGN="RIGHT"VALIGN="TOP"><ICLASS="EMPHASIS">Returns</I> :</TD><TDWIDTH="80%"ALIGN="LEFT"VALIGN="TOP">the <AHREF="gtkmenu.html">GtkMenu</A> associated with the <AHREF="gtkoptionmenu.html">GtkOptionMenu</A>. </TD></TR></TBODY></TABLE><P></P></DIV></DIV><HR><DIVCLASS="REFSECT2"><ANAME="AEN35184"></A><H3><ANAME="GTK-OPTION-MENU-SET-MENU"></A>gtk_option_menu_set_menu ()</H3><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="PROGRAMLISTING">void gtk_option_menu_set_menu (<AHREF="gtkoptionmenu.html">GtkOptionMenu</A> *option_menu, <AHREF="gtkwidget.html">GtkWidget</A> *menu);</PRE></TD></TR></TABLE><P>Provides the <AHREF="gtkmenu.html">GtkMenu</A> that is popped up to allow the user to choosea new value. You should provide a simple menu avoiding theuse of tearoff menu items, submenus, and accelerators.</P><DIVCLASS="INFORMALTABLE"><ANAME="AEN35192"></A><P></P><TABLEBORDER="0"WIDTH="100%"BGCOLOR="#FFD0D0"CELLSPACING="0"CELLPADDING="4"CLASS="CALSTABLE"><TBODY><TR><TDWIDTH="20%"ALIGN="RIGHT"VALIGN="TOP"><TTCLASS="PARAMETER"><I>option_menu</I></TT> :</TD><TDWIDTH="80%"ALIGN="LEFT"VALIGN="TOP">a <AHREF="gtkoptionmenu.html">GtkOptionMenu</A>.</TD></TR><TR><TDWIDTH="20%"ALIGN="RIGHT"VALIGN="TOP"><TTCLASS="PARAMETER"><I>menu</I></TT> :</TD><TDWIDTH="80%"ALIGN="LEFT"VALIGN="TOP">the <AHREF="gtkmenu.html">GtkMenu</A> to associate with the <AHREF="gtkoptionmenu.html">GtkOptionMenu</A>. </TD></TR></TBODY></TABLE><P></P></DIV></DIV><HR><DIVCLASS="REFSECT2"><ANAME="AEN35208"></A><H3><ANAME="GTK-OPTION-MENU-REMOVE-MENU"></A>gtk_option_menu_remove_menu ()</H3><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="PROGRAMLISTING">void gtk_option_menu_remove_menu (<AHREF="gtkoptionmenu.html">GtkOptionMenu</A> *option_menu);</PRE></TD></TR></TABLE><P>Removes the menu from the option menu.</P><DIVCLASS="INFORMALTABLE"><ANAME="AEN35214"></A><P></P><TABLEBORDER="0"WIDTH="100%"BGCOLOR="#FFD0D0"CELLSPACING="0"CELLPADDING="4"CLASS="CALSTABLE"><TBODY><TR><TDWIDTH="20%"ALIGN="RIGHT"VALIGN="TOP"><TTCLASS="PARAMETER"><I>option_menu</I></TT> :</TD><TDWIDTH="80%"ALIGN="LEFT"VALIGN="TOP">a <AHREF="gtkoptionmenu.html">GtkOptionMenu</A>. </TD></TR></TBODY></TABLE><P></P></DIV></DIV><HR><DIVCLASS="REFSECT2"><ANAME="AEN35224"></A><H3><ANAME="GTK-OPTION-MENU-SET-HISTORY"></A>gtk_option_menu_set_history ()</H3><TABLEBORDER="0"BGCOLOR="#D6E8FF"WIDTH="100%"CELLPADDING="6"><TR><TD><PRECLASS="PROGRAMLISTING">void gtk_option_menu_set_history (<AHREF="gtkoptionmenu.html">GtkOptionMenu</A> *option_menu, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> index);</PRE></TD></TR></TABLE><P>Selects the menu item specified by <TTCLASS="PARAMETER"><I>index</I></TT> making it the newlyselected value for the option menu.</P><DIVCLASS="INFORMALTABLE"><ANAME="AEN35232"></A><P></P><TABLEBORDER="0"WIDTH="100%"BGCOLOR="#FFD0D0"CELLSPACING="0"CELLPADDING="4"CLASS="CALSTABLE"><TBODY><TR><TDWIDTH="20%"ALIGN="RIGHT"VALIGN="TOP"><TTCLASS="PARAMETER"><I>option_menu</I></TT> :</TD><TDWIDTH="80%"ALIGN="LEFT"VALIGN="TOP">a <AHREF="gtkoptionmenu.html">GtkOptionMenu</A>.</TD></TR><TR><TDWIDTH="20%"ALIGN="RIGHT"VALIGN="TOP"><TTCLASS="PARAMETER"><I>index</I></TT> :</TD><TDWIDTH="80%"ALIGN="LEFT"VALIGN="TOP">the index of the menu item to select. Index values are from 0 to n-1. </TD></TR></TBODY></TABLE><P></P></DIV></DIV></DIV><DIVCLASS="NAVFOOTER"><BRCLEAR="all"><BR><TABLEWIDTH="100%"BORDER="0"BGCOLOR="#000000"CELLPADDING="1"CELLSPACING="0"><TR><TDWIDTH="25%"BGCOLOR="#C00000"ALIGN="left"><AHREF="gtkobject.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B><<< Previous Page</B></FONT></A></TD><TDWIDTH="25%"BGCOLOR="#0000C0"ALIGN="center"><FONTCOLOR="#FFFFFF"SIZE="3"><B><AHREF="index.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Home</B></FONT></A></B></FONT></TD><TDWIDTH="25%"BGCOLOR="#00C000"ALIGN="center"><FONTCOLOR="#FFFFFF"SIZE="3"><B><AHREF="gtkobjects.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Up</B></FONT></A></B></FONT></TD><TDWIDTH="25%"BGCOLOR="#C00000"ALIGN="right"><AHREF="gtkpacker.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B>Next Page >>></B></FONT></A></TD></TR><TR><TDCOLSPAN="2"ALIGN="left"><FONTCOLOR="#FFFFFF"SIZE="3"><B>GtkObject</B></FONT></TD><TDCOLSPAN="2"ALIGN="right"><FONTCOLOR="#FFFFFF"SIZE="3"><B>GtkPacker</B></FONT></TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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