<!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.Entry.HScale</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-Entry-HScale.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-Entry-HScale.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.Entry.HScale</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 ></DL ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Description</TD ></TR ><TR ><TD CLASS="doc" >A horizontal slider widget for selecting a value from a range </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%3AHScale" >HScale</A > </TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >class</SPAN > <A HREF="Graphics-UI-Gtk-Abstract-Scale.html#t%3AScaleClass" >ScaleClass</A > o => <A HREF="#t%3AHScaleClass" >HScaleClass</A > o </TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AcastToHScale" >castToHScale</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-Entry-HScale.html#t%3AHScale" >HScale</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AgTypeHScale" >gTypeHScale</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%3AtoHScale" >toHScale</A > :: <A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScaleClass" >HScaleClass</A > o => o -> <A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScale" >HScale</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AhScaleNew" >hScaleNew</A > :: <A HREF="Graphics-UI-Gtk-Misc-Adjustment.html#t%3AAdjustment" >Adjustment</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-Entry-HScale.html#t%3AHScale" >HScale</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AhScaleNewWithRange" >hScaleNewWithRange</A > :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ADouble" >Double</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ADouble" >Double</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ADouble" >Double</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-Entry-HScale.html#t%3AHScale" >HScale</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 >The <TT ><A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScale" >HScale</A ></TT > widget is used to allow the user to select a value using a horizontal slider. To create one, use <TT ><A HREF="Graphics-UI-Gtk-Entry-HScale.html#v%3AhScaleNewWithRange" >hScaleNewWithRange</A ></TT >. </P ><P >The position to show the current value, and the number of decimal places shown can be set using the parent <TT ><A HREF="Graphics-UI-Gtk-Abstract-Scale.html#t%3AScale" >Scale</A ></TT > class's functions. </P ></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 > | +----<TT ><A HREF="Graphics-UI-Gtk-Abstract-Object.html#t%3AObject" >Object</A ></TT > | +----<TT ><A HREF="Graphics-UI-Gtk-Abstract-Widget.html#t%3AWidget" >Widget</A ></TT > | +----<TT ><A HREF="Graphics-UI-Gtk-Abstract-Range.html#t%3ARange" >Range</A ></TT > | +----<TT ><A HREF="Graphics-UI-Gtk-Abstract-Scale.html#t%3AScale" >Scale</A ></TT > | +----HScale </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:HScale" ><A NAME="t%3AHScale" ></A ></A ><B >HScale</B > </TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-Types.html#HScale" >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:HScale')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:HScale" 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-Entry-HScale.html#t%3AHScale" >HScale</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-Entry-HScale.html#t%3AHScale" >HScale</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-Entry-HScale.html#t%3AHScale" >HScale</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScaleClass" >HScaleClass</A > <A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScale" >HScale</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Graphics-UI-Gtk-Abstract-Scale.html#t%3AScaleClass" >ScaleClass</A > <A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScale" >HScale</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Graphics-UI-Gtk-Abstract-Range.html#t%3ARangeClass" >RangeClass</A > <A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScale" >HScale</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Graphics-UI-Gtk-Abstract-Widget.html#t%3AWidgetClass" >WidgetClass</A > <A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScale" >HScale</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Graphics-UI-Gtk-Abstract-Object.html#t%3AObjectClass" >ObjectClass</A > <A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScale" >HScale</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="Graphics-UI-Gtk-Abstract-Scale.html#t%3AScaleClass" >ScaleClass</A > o => <A NAME="t:HScaleClass" ><A NAME="t%3AHScaleClass" ></A ></A ><B >HScaleClass</B > o </TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-Types.html#HScaleClass" >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:HScaleClass')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:HScaleClass" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScaleClass" >HScaleClass</A > <A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScale" >HScale</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:castToHScale" ><A NAME="v%3AcastToHScale" ></A ></A ><B >castToHScale</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-Entry-HScale.html#t%3AHScale" >HScale</A ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-Types.html#castToHScale" >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:gTypeHScale" ><A NAME="v%3AgTypeHScale" ></A ></A ><B >gTypeHScale</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#gTypeHScale" >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:toHScale" ><A NAME="v%3AtoHScale" ></A ></A ><B >toHScale</B > :: <A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScaleClass" >HScaleClass</A > o => o -> <A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScale" >HScale</A ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-Types.html#toHScale" >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:hScaleNew" ><A NAME="v%3AhScaleNew" ></A ></A ><B >hScaleNew</B ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-Entry-HScale.html#hScaleNew" >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-Misc-Adjustment.html#t%3AAdjustment" >Adjustment</A ></TD ><TD CLASS="rdoc" ><TT >adjustment</TT > - the <TT ><A HREF="Graphics-UI-Gtk-Misc-Adjustment.html#t%3AAdjustment" >Adjustment</A ></TT > which sets the range of the scale. </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="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScale" >HScale</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="ndoc" COLSPAN="2" >Creates a new <TT ><A HREF="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScale" >HScale</A ></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:hScaleNewWithRange" ><A NAME="v%3AhScaleNewWithRange" ></A ></A ><B >hScaleNewWithRange</B ></TD ><TD CLASS="declbut" ><A HREF="src/Graphics-UI-Gtk-Entry-HScale.html#hScaleNewWithRange" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="arg" >:: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ADouble" >Double</A ></TD ><TD CLASS="rdoc" ><TT >min</TT > - minimum value </TD ></TR ><TR ><TD CLASS="arg" >-> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ADouble" >Double</A ></TD ><TD CLASS="rdoc" ><TT >max</TT > - maximum value </TD ></TR ><TR ><TD CLASS="arg" >-> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ADouble" >Double</A ></TD ><TD CLASS="rdoc" ><TT >step</TT > - step increment (tick size) used with keyboard shortcuts </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="Graphics-UI-Gtk-Entry-HScale.html#t%3AHScale" >HScale</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="ndoc" COLSPAN="2" ><P >Creates a new horizontal scale widget that lets the user input a number between <TT >min</TT > and <TT >max</TT > (including <TT >min</TT > and <TT >max</TT >) with the increment <TT >step</TT >. <TT >step</TT > must be nonzero; it's the distance the slider moves when using the arrow keys to adjust the scale value. </P ><P >Note that the way in which the precision is derived works best if <TT >step</TT > is a power of ten. If the resulting precision is not suitable for your needs, use Graphics.UI.Gtk.Abstract.Scale.scaleSetDigits to correct it. </P ></TD ></TR ></TABLE ></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 >