<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--Rendered using the Haskell Html Library v0.2--> <HTML ><HEAD ><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8" ><TITLE >Graphics.UI.Gtk.ModelView.TreeModelFilter</TITLE ><LINK HREF="haddock.css" REL="stylesheet" TYPE="text/css" ><SCRIPT SRC="haddock-util.js" TYPE="text/javascript" ></SCRIPT ><SCRIPT TYPE="text/javascript" >window.onload = function () {setSynopsis("mini_Graphics-UI-Gtk-ModelView-TreeModelFilter.html")};</SCRIPT ></HEAD ><BODY ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="topbar" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD ><IMG SRC="haskell_icon.gif" WIDTH="16" HEIGHT="16" ALT=" " ></TD ><TD CLASS="title" >gtk-0.11.2: Binding to the Gtk+ graphical user interface library.</TD ><TD CLASS="topbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html" >Source code</A ></TD ><TD CLASS="topbut" ><A HREF="index.html" >Contents</A ></TD ><TD CLASS="topbut" ><A HREF="doc-index.html" >Index</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="modulebar" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD ><FONT SIZE="6" >Graphics.UI.Gtk.ModelView.TreeModelFilter</FONT ></TD ><TD ALIGN="right" ><TABLE CLASS="narrow" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="infohead" >Portability</TD ><TD CLASS="infoval" >portable (depends on GHC)</TD ></TR ><TR ><TD CLASS="infohead" >Stability</TD ><TD CLASS="infoval" >provisional</TD ></TR ><TR ><TD CLASS="infohead" >Maintainer</TD ><TD CLASS="infoval" >gtk2hs-users@lists.sourceforge.net</TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="section4" ><B >Contents</B ></TD ></TR ><TR ><TD ><DL ><DT ><A HREF="#1" >Detail </A ></DT ><DT ><A HREF="#2" >Class Hierarchy </A ></DT ><DT ><A HREF="#3" >Types </A ></DT ><DT ><A HREF="#4" >Constructors </A ></DT ><DT ><A HREF="#5" >Methods </A ></DT ><DT ><A HREF="#6" >Attributes </A ></DT ></DL ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Description</TD ></TR ><TR ><TD CLASS="doc" ><P >A <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeModel" >TreeModel</A ></TT > which hides parts of an underlying tree model </P ><UL ><LI > Module available since Gtk+ version 2.4 </LI ></UL ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Synopsis</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="#t%3ATreeModelFilter" >TreeModelFilter</A > </TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >class</SPAN > <A HREF="/usr/share/doc/ghc/html/libraries/glib-0.11.2/System-Glib-GObject.html#t%3AGObjectClass" >GObjectClass</A > o => <A HREF="#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > o </TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AcastToTreeModelFilter" >castToTreeModelFilter</A > :: <A HREF="/usr/share/doc/ghc/html/libraries/glib-0.11.2/System-Glib-GObject.html#t%3AGObjectClass" >GObjectClass</A > obj => obj -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AgTypeTreeModelFilter" >gTypeTreeModelFilter</A > :: <A HREF="Graphics-UI-Gtk-Abstract-Widget.html#t%3AGType" >GType</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtoTreeModelFilter" >toTreeModelFilter</A > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > o => o -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtreeModelFilterNew" >treeModelFilterNew</A > :: (<A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeModelClass" >TreeModelClass</A > (childModel row), <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATypedTreeModelClass" >TypedTreeModelClass</A > childModel) => childModel row -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > (TypedTreeModelFilter row)</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtreeModelFilterSetVisibleFunc" >treeModelFilterSetVisibleFunc</A > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > (<A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeIter" >TreeIter</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A >) -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtreeModelFilterSetVisibleColumn" >treeModelFilterSetVisibleColumn</A > :: (<A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > (self row), <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATypedTreeModelClass" >TypedTreeModelClass</A > self) => self row -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3AColumnId" >ColumnId</A > row <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtreeModelFilterGetModel" >treeModelFilterGetModel</A > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeModel" >TreeModel</A >)</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtreeModelFilterConvertChildIterToIter" >treeModelFilterConvertChildIterToIter</A > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeIter" >TreeIter</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeIter" >TreeIter</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtreeModelFilterConvertIterToChildIter" >treeModelFilterConvertIterToChildIter</A > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeIter" >TreeIter</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeIter" >TreeIter</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtreeModelFilterConvertChildPathToPath" >treeModelFilterConvertChildPathToPath</A > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtreeModelFilterConvertPathToChildPath" >treeModelFilterConvertPathToChildPath</A > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtreeModelFilterRefilter" >treeModelFilterRefilter</A > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtreeModelFilterClearCache" >treeModelFilterClearCache</A > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtreeModelFilterChildModel" >treeModelFilterChildModel</A > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => <A HREF="/usr/share/doc/ghc/html/libraries/glib-0.11.2/System-Glib-Attributes.html#t%3AReadAttr" >ReadAttr</A > self <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeModel" >TreeModel</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtreeModelFilterVirtualRoot" >treeModelFilterVirtualRoot</A > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => <A HREF="/usr/share/doc/ghc/html/libraries/glib-0.11.2/System-Glib-Attributes.html#t%3AReadAttr" >ReadAttr</A > self <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" ><A NAME="1" ><A NAME="1" >Detail </A ></A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="doc" ><P >A <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TT > is a tree model which wraps another tree model, and can do the following things: </P ><UL ><LI > Filter specific rows, based on a function that examines each row indicating whether the row should be shown or not, or based on the return value of a visibility function, which is passed the <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeIter" >TreeIter</A ></TT > of the row and returns a Boolean indicating whether the row should be shown or not. </LI ><LI > Set a different root node, also known as a "virtual root". You can pass in a <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A ></TT > indicating the root node for the filter at construction time. </LI ></UL ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" ><A NAME="2" ><A NAME="2" >Class Hierarchy </A ></A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="doc" ><PRE > | <TT ><A HREF="/usr/share/doc/ghc/html/libraries/glib-0.11.2/System-Glib-GObject.html#t%3AGObject" >GObject</A ></TT > | +----TreeModelFilter </PRE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" ><A NAME="3" ><A NAME="3" >Types </A ></A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><SPAN CLASS="keyword" >data</SPAN > <A NAME="t:TreeModelFilter" ><A NAME="t%3ATreeModelFilter" ></A ></A ><B >TreeModelFilter</B > </TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-Types.html#TreeModelFilter" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:TreeModelFilter')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:TreeModelFilter" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq" >Eq</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/glib-0.11.2/System-Glib-GObject.html#t%3AGObjectClass" >GObjectClass</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><SPAN CLASS="keyword" >class</SPAN > <A HREF="/usr/share/doc/ghc/html/libraries/glib-0.11.2/System-Glib-GObject.html#t%3AGObjectClass" >GObjectClass</A > o => <A NAME="t:TreeModelFilterClass" ><A NAME="t%3ATreeModelFilterClass" ></A ></A ><B >TreeModelFilterClass</B > o </TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-Types.html#TreeModelFilterClass" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:TreeModelFilterClass')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:TreeModelFilterClass" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > (TypedTreeModelFilter a)</TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:castToTreeModelFilter" ><A NAME="v%3AcastToTreeModelFilter" ></A ></A ><B >castToTreeModelFilter</B > :: <A HREF="/usr/share/doc/ghc/html/libraries/glib-0.11.2/System-Glib-GObject.html#t%3AGObjectClass" >GObjectClass</A > obj => obj -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-Types.html#castToTreeModelFilter" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:gTypeTreeModelFilter" ><A NAME="v%3AgTypeTreeModelFilter" ></A ></A ><B >gTypeTreeModelFilter</B > :: <A HREF="Graphics-UI-Gtk-Abstract-Widget.html#t%3AGType" >GType</A ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-Types.html#gTypeTreeModelFilter" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:toTreeModelFilter" ><A NAME="v%3AtoTreeModelFilter" ></A ></A ><B >toTreeModelFilter</B > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > o => o -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-Types.html#toTreeModelFilter" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" ><A NAME="4" ><A NAME="4" >Constructors </A ></A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:treeModelFilterNew" ><A NAME="v%3AtreeModelFilterNew" ></A ></A ><B >treeModelFilterNew</B ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html#treeModelFilterNew" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="arg" >:: (<A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeModelClass" >TreeModelClass</A > (childModel row), <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATypedTreeModelClass" >TypedTreeModelClass</A > childModel)</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" >=> childModel row</TD ><TD CLASS="rdoc" ><TT >childModel</TT > - A <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeModel" >TreeModel</A ></TT >. </TD ></TR ><TR ><TD CLASS="arg" >-> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A ></TD ><TD CLASS="rdoc" ><TT >root</TT > - A <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A ></TT > or <TT >[]</TT >. </TD ></TR ><TR ><TD CLASS="arg" >-> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > (TypedTreeModelFilter row)</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="ndoc" COLSPAN="2" >Creates a new <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeModel" >TreeModel</A ></TT >, with <TT >childModel</TT > as the child model and <TT >root</TT > as the virtual root. </TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" ><A NAME="5" ><A NAME="5" >Methods </A ></A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:treeModelFilterSetVisibleFunc" ><A NAME="v%3AtreeModelFilterSetVisibleFunc" ></A ></A ><B >treeModelFilterSetVisibleFunc</B ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html#treeModelFilterSetVisibleFunc" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="arg" >:: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" >=> self</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" >-> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > (<A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeIter" >TreeIter</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A >)</TD ><TD CLASS="rdoc" ><TT >func</TT > - The visible function or <TT >Nothing</TT > to reset this function. </TD ></TR ><TR ><TD CLASS="arg" >-> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="ndoc" COLSPAN="2" ><P >Sets the visible function used when filtering the rows to be <TT >func</TT >. The function should return <TT >True</TT > if the given row should be visible and <TT >False</TT > otherwise. The passed-in iterator is an iterator of the child model, not of the <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TT > model that is passed in as the first argument to this function. </P ><P >If the condition calculated by the function changes over time (e.g. because it depends on some global parameters), you must call <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#v%3AtreeModelFilterRefilter" >treeModelFilterRefilter</A ></TT > to keep the visibility information of the model up to date. </P ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:treeModelFilterSetVisibleColumn" ><A NAME="v%3AtreeModelFilterSetVisibleColumn" ></A ></A ><B >treeModelFilterSetVisibleColumn</B ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html#treeModelFilterSetVisibleColumn" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="arg" >:: (<A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > (self row), <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATypedTreeModelClass" >TypedTreeModelClass</A > self)</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" >=> self row</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" >-> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3AColumnId" >ColumnId</A > row <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A ></TD ><TD CLASS="rdoc" ><TT >column</TT > - A column of Booleans that determines if a row is visible </TD ></TR ><TR ><TD CLASS="arg" >-> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="ndoc" COLSPAN="2" >Sets <TT >column</TT > of the child model to be the column where the filter model should look for visibility information. A row containing <TT >True</TT > means that this row should be shown. </TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:treeModelFilterGetModel" ><A NAME="v%3AtreeModelFilterGetModel" ></A ></A ><B >treeModelFilterGetModel</B ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html#treeModelFilterGetModel" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="arg" >:: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" >=> self</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" >-> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeModel" >TreeModel</A >)</TD ><TD CLASS="rdoc" >returns a <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeModel" >TreeModel</A ></TT >. </TD ></TR ><TR ><TD CLASS="ndoc" COLSPAN="2" >Returns a pointer to the child model of <TT >filter</TT >. </TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:treeModelFilterConvertChildIterToIter" ><A NAME="v%3AtreeModelFilterConvertChildIterToIter" ></A ></A ><B >treeModelFilterConvertChildIterToIter</B > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeIter" >TreeIter</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeIter" >TreeIter</A ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html#treeModelFilterConvertChildIterToIter" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >Return an iterator in the sorted model that points to the row pointed to by the given iter from the unfiltered model. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:treeModelFilterConvertIterToChildIter" ><A NAME="v%3AtreeModelFilterConvertIterToChildIter" ></A ></A ><B >treeModelFilterConvertIterToChildIter</B > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeIter" >TreeIter</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeIter" >TreeIter</A ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html#treeModelFilterConvertIterToChildIter" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >Return an iterator in the unfiltered model that points to the row pointed to by the given iter from the filtered model. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:treeModelFilterConvertChildPathToPath" ><A NAME="v%3AtreeModelFilterConvertChildPathToPath" ></A ></A ><B >treeModelFilterConvertChildPathToPath</B > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html#treeModelFilterConvertChildPathToPath" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" ><P >Converts the given path to a path relative to the given filtered model. </P ><UL ><LI > The given path points to a row in the child model. The returned path will point to the same row in the filtered model. </LI ></UL ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:treeModelFilterConvertPathToChildPath" ><A NAME="v%3AtreeModelFilterConvertPathToChildPath" ></A ></A ><B >treeModelFilterConvertPathToChildPath</B > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html#treeModelFilterConvertPathToChildPath" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >Converts path in the filtered model to a path on the unfiltered model on which the given <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TT > is based. That is, the given path points to a location in the given <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilter" >TreeModelFilter</A ></TT >. The returned path will point to the same location in the underlying unfiltered model. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:treeModelFilterRefilter" ><A NAME="v%3AtreeModelFilterRefilter" ></A ></A ><B >treeModelFilterRefilter</B > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => self -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html#treeModelFilterRefilter" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >Emits <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#v%3ArowChanged" >rowChanged</A ></TT > for each row in the child model, which causes the filter to re-evaluate whether a row is visible or not. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:treeModelFilterClearCache" ><A NAME="v%3AtreeModelFilterClearCache" ></A ></A ><B >treeModelFilterClearCache</B ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html#treeModelFilterClearCache" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="arg" >:: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" >=> self</TD ><TD CLASS="rdoc" ><TT >filter</TT > - the filter model </TD ></TR ><TR ><TD CLASS="arg" >-> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO" >IO</A > <A HREF="/usr/share/doc/ghc/html/libraries/ghc-prim-0.2.0.0/GHC-Unit.html#t%3A%28%29" >()</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="ndoc" COLSPAN="2" >This function should almost never be called. It clears the <TT >filter</TT > of any cached iterators that haven't been reffed with <TT ><A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#v%3AtreeModelRefNode" >treeModelRefNode</A ></TT >. This might be useful if the child model being filtered is static (and doesn't change often) and there has been a lot of unreffed access to nodes. As a side effect of this function, all unreffed iters will be invalid. </TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" ><A NAME="6" ><A NAME="6" >Attributes </A ></A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:treeModelFilterChildModel" ><A NAME="v%3AtreeModelFilterChildModel" ></A ></A ><B >treeModelFilterChildModel</B > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => <A HREF="/usr/share/doc/ghc/html/libraries/glib-0.11.2/System-Glib-Attributes.html#t%3AReadAttr" >ReadAttr</A > self <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeModel" >TreeModel</A ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html#treeModelFilterChildModel" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >The model for the filtermodel to filter. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:treeModelFilterVirtualRoot" ><A NAME="v%3AtreeModelFilterVirtualRoot" ></A ></A ><B >treeModelFilterVirtualRoot</B > :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModelFilter.html#t%3ATreeModelFilterClass" >TreeModelFilterClass</A > self => <A HREF="/usr/share/doc/ghc/html/libraries/glib-0.11.2/System-Glib-Attributes.html#t%3AReadAttr" >ReadAttr</A > self <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath" >TreePath</A ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-ModelView-TreeModelFilter.html#treeModelFilterVirtualRoot" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >The virtual root (relative to the child model) for this filtermodel. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="botbar" >Produced by <A HREF="http://www.haskell.org/haddock/" >Haddock</A > version 2.6.1</TD ></TR ></TABLE ></BODY ></HTML >