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<div class="navpath"><a class="el" href="namespaceGtk.html">Gtk</a>::<a class="el" href="classGtk_1_1Adjustment.html">Adjustment</a>
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<h1>Gtk::Adjustment Class Reference</h1><!-- doxytag: class="Gtk::Adjustment" --><!-- doxytag: inherits="Gtk::Object" -->
<p>A class representing an adjustable bounded value. <a href="#_details">More...</a></p>
<p>Inherits <a class="el" href="classGtk_1_1Object.html">Gtk::Object</a>.</p>
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Collaboration diagram for Gtk::Adjustment:</div>
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<div class="center"><img src="classGtk_1_1Adjustment__coll__graph.png" border="0" usemap="#Gtk_1_1Adjustment_coll__map" alt="Collaboration graph"/></div>
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<area shape="rect" href="classGtk_1_1Object.html" title="Gtk::Object is the base class for all widgets, and for a few non-widget objects such..." alt="" coords="21,237,109,267"/><area shape="rect" href="../../../glibmm-2.4/reference/html/classGlib_1_1Object.html" title="Glib::Object" alt="" coords="20,160,111,189"/><area shape="rect" href="../../../glibmm-2.4/reference/html/classGlib_1_1ObjectBase.html" title="Glib::ObjectBase" alt="" coords="5,83,125,112"/><area shape="rect" href="../../../libsigc++-2.0/reference/html/structsigc_1_1trackable.html" title="sigc::trackable" alt="" coords="12,5,119,35"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<p><a href="classGtk_1_1Adjustment-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#ae6d3539498b3276200368995440de533">~Adjustment</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">GtkAdjustment* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a73a1955c20e1a90ffffe17a597e43ffb">gobj</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GtkObject. <a href="#a73a1955c20e1a90ffffe17a597e43ffb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const GtkAdjustment* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a323ca8d81fe1ed6d052ec4f906e364dd">gobj</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GtkObject. <a href="#a323ca8d81fe1ed6d052ec4f906e364dd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a46faef0350c12e09a3e0249af5673d75">Adjustment</a> (double <a class="elRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a01156.html#ga1c9e781d8d15a3814a601f471797c825">value</a>, double lower, double upper, double step_increment=1, double page_increment=10, double page_size=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor to create an <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a> object. <a href="#a46faef0350c12e09a3e0249af5673d75"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a01b4c0118ac26897ac783f041a032765">changed</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Emits a "changed" signal from the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a>. <a href="#a01b4c0118ac26897ac783f041a032765"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#aa9e2a66bf8702196201db86a88da2567">value_changed</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Emits a "value_changed" signal from the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a>. <a href="#aa9e2a66bf8702196201db86a88da2567"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a721b1e2ccde935f7c7c13c7ebfba4c44">clamp_page</a> (double lower, double upper)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Updates the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a> value to ensure that the range between the parameters <em>lower</em> and <em>upper</em> is in the current page (i.e. between <em>value</em> and <em>value</em> + <em>page_size</em>). <a href="#a721b1e2ccde935f7c7c13c7ebfba4c44"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#ac585ad50e95018cd4d0fe7b014102591">set_value</a> (double <a class="elRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a01156.html#ga1c9e781d8d15a3814a601f471797c825">value</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the current value of the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a>. <a href="#ac585ad50e95018cd4d0fe7b014102591"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#ab6bc8e8ad1e4a544eeb8b67eff3d0380">get_value</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets the current value of the adjustment. <a href="#ab6bc8e8ad1e4a544eeb8b67eff3d0380"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a8b64cd68e91a24d6b7dfc03d8d199437">set_lower</a> (double lower)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the minimum value of the adjustment. <a href="#a8b64cd68e91a24d6b7dfc03d8d199437"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#acdc5682423c6c3f2bf6107c784b0264f">get_lower</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the minimum value of the adjustment. <a href="#acdc5682423c6c3f2bf6107c784b0264f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#ab093897a15d80dba99969abb9bce039f">set_upper</a> (double upper)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the maximum value of the adjustment. <a href="#ab093897a15d80dba99969abb9bce039f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#ad5e83e6a664db2b5c0dff303f8425860">get_upper</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the maximum value of the adjustment. <a href="#ad5e83e6a664db2b5c0dff303f8425860"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a0057e49eb57b09341b96a7c419ff1dfb">set_step_increment</a> (double step_increment)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the step increment of the adjustment. <a href="#a0057e49eb57b09341b96a7c419ff1dfb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a0750aed1cce1f48c7d2dbd7c56ce214a">get_step_increment</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the step increment of the adjustment. <a href="#a0750aed1cce1f48c7d2dbd7c56ce214a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a7cb297efb8bf3bb30aa51c754718f22a">set_page_increment</a> (double page_increment)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the page increment of the adjustment. <a href="#a7cb297efb8bf3bb30aa51c754718f22a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a137b202f7a1db39e4ced997e29d8e1b3">get_page_increment</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the page increment of the adjustment. <a href="#a137b202f7a1db39e4ced997e29d8e1b3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a8ce619f778049f760ef25269d9da7273">set_page_size</a> (double page_size)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the page size of the adjustment. <a href="#a8ce619f778049f760ef25269d9da7273"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#ae106f84761de4b8e2dc8f1decb9da278">get_page_size</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the page size of the adjustment. <a href="#ae106f84761de4b8e2dc8f1decb9da278"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a02b7d411bd640215392a4f1911028104">configure</a> (double <a class="elRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a01156.html#ga1c9e781d8d15a3814a601f471797c825">value</a>, double lower, double upper, double step_increment, double page_increment, double page_size)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets all properties of the adjustment at once. <a href="#a02b7d411bd640215392a4f1911028104"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1SignalProxy0.html">Glib::SignalProxy0</a>< void > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a5bd834dd1241233069e4932fc69e5155">signal_changed</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1SignalProxy0.html">Glib::SignalProxy0</a>< void > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a4be702f855da41b123577032e8148b99">signal_value_changed</a> ()</td></tr>
<tr><td colspan="2"><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#afd8640b87aa243aa63cf0b4205f26df6">on_changed</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a2aa54b26614f6824a3dce58afe1080b5">on_value_changed</a> ()</td></tr>
<tr><td colspan="2"><h2>Related Functions</h2></td></tr>
<tr><td colspan="2"><p>(Note that these are not member functions.) </p>
<br/><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGtk_1_1Adjustment.html">Gtk::Adjustment</a>* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Adjustment.html#a42498ed2e90842549b875fb12d47cf90">wrap</a> (GtkAdjustment* object, bool take_copy=false)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">A <a class="elRef" href="../../../glibmm-2.4/reference/html/namespaceGlib.html#a671306f4a3a0cae5ab4d7a9d54886592">Glib::wrap()</a> method for this object. <a href="#a42498ed2e90842549b875fb12d47cf90"></a><br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>A class representing an adjustable bounded value. </p>
<p>The <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Gtk::Adjustment</a> object represents a value which has an associated lower and upper bound, together with step and page increments, and a page size. It is used within several gtkmm widgets, including <a class="el" href="classGtk_1_1SpinButton.html" title="numeric Entry with up/down buttons Slightly misnamed, this should be called a SpinEntry...">Gtk::SpinButton</a>, <a class="el" href="classGtk_1_1Viewport.html" title="An adapter which makes widgets scrollable.">Gtk::Viewport</a>, and <a class="el" href="classGtk_1_1Range.html" title="Base class for widgets which visualize an adjustment.">Gtk::Range</a> (which is a base class for <a class="el" href="classGtk_1_1HScrollbar.html" title="A horizontal scrollbar.">Gtk::HScrollbar</a>, <a class="el" href="classGtk_1_1VScrollbar.html" title="A vertical scrollbar.">Gtk::VScrollbar</a>, <a class="el" href="classGtk_1_1HScale.html" title="A horizontal slider for selecting values.">Gtk::HScale</a>, and <a class="el" href="classGtk_1_1VScale.html" title="A vertical slider for selecting values.">Gtk::VScale</a>).</p>
<p>The <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Gtk::Adjustment</a> object does not update the value itself. Instead it is left up to the owner of the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Gtk::Adjustment</a> to control the value.</p>
<p>The owner of the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Gtk::Adjustment</a> typically calls the <a class="el" href="classGtk_1_1Adjustment.html#aa9e2a66bf8702196201db86a88da2567" title="Emits a "value_changed" signal from the Adjustment.">value_changed()</a> and <a class="el" href="classGtk_1_1Adjustment.html#a01b4c0118ac26897ac783f041a032765" title="Emits a "changed" signal from the Adjustment.">changed()</a> functions after changing the value and its bounds. This results in the emission of the "value_changed" or "changed" signal respectively. </p>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="ae6d3539498b3276200368995440de533"></a><!-- doxytag: member="Gtk::Adjustment::~Adjustment" ref="ae6d3539498b3276200368995440de533" args="()" -->
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<td class="memname">virtual Gtk::Adjustment::~Adjustment </td>
<td>(</td>
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<td><code> [virtual]</code></td>
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<a class="anchor" id="a46faef0350c12e09a3e0249af5673d75"></a><!-- doxytag: member="Gtk::Adjustment::Adjustment" ref="a46faef0350c12e09a3e0249af5673d75" args="(double value, double lower, double upper, double step_increment=1, double page_increment=10, double page_size=0)" -->
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<td class="memname">Gtk::Adjustment::Adjustment </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> <em>value</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>lower</em>, </td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>upper</em>, </td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>step_increment</em> = <code>1</code>, </td>
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<td class="paramname"> <em>page_increment</em> = <code>10</code>, </td>
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<p>Constructor to create an <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a> object. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>The initial value </td></tr>
<tr><td valign="top"></td><td valign="top"><em>lower</em> </td><td>The minimum value </td></tr>
<tr><td valign="top"></td><td valign="top"><em>upper</em> </td><td>The maximum value </td></tr>
<tr><td valign="top"></td><td valign="top"><em>step_increment</em> </td><td>The step increment </td></tr>
<tr><td valign="top"></td><td valign="top"><em>page_increment</em> </td><td>The page increment </td></tr>
<tr><td valign="top"></td><td valign="top"><em>page_size</em> </td><td>The page size </td></tr>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a01b4c0118ac26897ac783f041a032765"></a><!-- doxytag: member="Gtk::Adjustment::changed" ref="a01b4c0118ac26897ac783f041a032765" args="()" -->
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<td class="memname">void Gtk::Adjustment::changed </td>
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<p>Emits a "changed" signal from the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a>. </p>
<p>This is typically called by the owner of the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a> after it has changed any of the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a> fields other than the value. </p>
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<a class="anchor" id="a721b1e2ccde935f7c7c13c7ebfba4c44"></a><!-- doxytag: member="Gtk::Adjustment::clamp_page" ref="a721b1e2ccde935f7c7c13c7ebfba4c44" args="(double lower, double upper)" -->
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<td class="memname">void Gtk::Adjustment::clamp_page </td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>lower</em>, </td>
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<td class="paramtype">double </td>
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<p>Updates the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a> value to ensure that the range between the parameters <em>lower</em> and <em>upper</em> is in the current page (i.e. between <em>value</em> and <em>value</em> + <em>page_size</em>). </p>
<p>If this range is larger than the page size, then only the start of it will be in the current page. A "changed" signal will be emitted if the value is changed. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>upper</em> </td><td>The upper value. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>lower</em> </td><td>The lower value. </td></tr>
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<a class="anchor" id="a02b7d411bd640215392a4f1911028104"></a><!-- doxytag: member="Gtk::Adjustment::configure" ref="a02b7d411bd640215392a4f1911028104" args="(double value, double lower, double upper, double step_increment, double page_increment, double page_size)" -->
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<td class="memname">void Gtk::Adjustment::configure </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> <em>value</em>, </td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>lower</em>, </td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>upper</em>, </td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>step_increment</em>, </td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>page_increment</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>page_size</em></td><td> </td>
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<p>Sets all properties of the adjustment at once. </p>
<p>Use this function to avoid multiple emissions of the "changed" signal. See <a class="el" href="classGtk_1_1Adjustment.html#a8b64cd68e91a24d6b7dfc03d8d199437" title="Sets the minimum value of the adjustment.">set_lower()</a> for an alternative way of compressing multiple emissions of "changed" into one.</p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000026">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>The new value. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>lower</em> </td><td>The new minimum value. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>upper</em> </td><td>The new maximum value. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>step_increment</em> </td><td>The new step increment. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>page_increment</em> </td><td>The new page increment. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>page_size</em> </td><td>The new page size. </td></tr>
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</dd>
</dl>
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<a class="anchor" id="acdc5682423c6c3f2bf6107c784b0264f"></a><!-- doxytag: member="Gtk::Adjustment::get_lower" ref="acdc5682423c6c3f2bf6107c784b0264f" args="() const " -->
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<td class="memname">double Gtk::Adjustment::get_lower </td>
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<td> const</td>
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<p>Retrieves the minimum value of the adjustment. </p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000017">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The current minimum value of the adjustment. </dd></dl>
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<a class="anchor" id="a137b202f7a1db39e4ced997e29d8e1b3"></a><!-- doxytag: member="Gtk::Adjustment::get_page_increment" ref="a137b202f7a1db39e4ced997e29d8e1b3" args="() const " -->
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<td class="memname">double Gtk::Adjustment::get_page_increment </td>
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<p>Retrieves the page increment of the adjustment. </p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000023">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The current page increment of the adjustment. </dd></dl>
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<a class="anchor" id="ae106f84761de4b8e2dc8f1decb9da278"></a><!-- doxytag: member="Gtk::Adjustment::get_page_size" ref="ae106f84761de4b8e2dc8f1decb9da278" args="() const " -->
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<td class="memname">double Gtk::Adjustment::get_page_size </td>
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<p>Retrieves the page size of the adjustment. </p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000025">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The current page size of the adjustment. </dd></dl>
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<a class="anchor" id="a0750aed1cce1f48c7d2dbd7c56ce214a"></a><!-- doxytag: member="Gtk::Adjustment::get_step_increment" ref="a0750aed1cce1f48c7d2dbd7c56ce214a" args="() const " -->
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<p>Retrieves the step increment of the adjustment. </p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000021">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The current step increment of the adjustment. </dd></dl>
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<a class="anchor" id="ad5e83e6a664db2b5c0dff303f8425860"></a><!-- doxytag: member="Gtk::Adjustment::get_upper" ref="ad5e83e6a664db2b5c0dff303f8425860" args="() const " -->
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<p>Retrieves the maximum value of the adjustment. </p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000019">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The current maximum value of the adjustment. </dd></dl>
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<a class="anchor" id="ab6bc8e8ad1e4a544eeb8b67eff3d0380"></a><!-- doxytag: member="Gtk::Adjustment::get_value" ref="ab6bc8e8ad1e4a544eeb8b67eff3d0380" args="() const " -->
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<td class="memname">double Gtk::Adjustment::get_value </td>
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<p>Gets the current value of the adjustment. </p>
<p>See <a class="el" href="classGtk_1_1Adjustment.html#ac585ad50e95018cd4d0fe7b014102591" title="Sets the current value of the Adjustment.">set_value()</a>. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>The current value of the adjustment. </dd></dl>
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<a class="anchor" id="a323ca8d81fe1ed6d052ec4f906e364dd"></a><!-- doxytag: member="Gtk::Adjustment::gobj" ref="a323ca8d81fe1ed6d052ec4f906e364dd" args="() const " -->
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<td class="memname">const GtkAdjustment* Gtk::Adjustment::gobj </td>
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<p>Provides access to the underlying C GtkObject. </p>
<p>Reimplemented from <a class="el" href="classGtk_1_1Object.html#a5a0e5941619df9ec0cc52feccad99005">Gtk::Object</a>.</p>
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<td class="memname">GtkAdjustment* Gtk::Adjustment::gobj </td>
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<td><code> [inline]</code></td>
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<p>Provides access to the underlying C GtkObject. </p>
<p>Reimplemented from <a class="el" href="classGtk_1_1Object.html#ae3541ec02d1b7cd56cfabe7295f8948f">Gtk::Object</a>.</p>
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<a class="anchor" id="afd8640b87aa243aa63cf0b4205f26df6"></a><!-- doxytag: member="Gtk::Adjustment::on_changed" ref="afd8640b87aa243aa63cf0b4205f26df6" args="()" -->
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<td class="memname">virtual void Gtk::Adjustment::on_changed </td>
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<td><code> [protected, virtual]</code></td>
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<td class="memname">virtual void Gtk::Adjustment::on_value_changed </td>
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<td><code> [protected, virtual]</code></td>
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<a class="anchor" id="a8b64cd68e91a24d6b7dfc03d8d199437"></a><!-- doxytag: member="Gtk::Adjustment::set_lower" ref="a8b64cd68e91a24d6b7dfc03d8d199437" args="(double lower)" -->
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<td class="memname">void Gtk::Adjustment::set_lower </td>
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<td class="paramtype">double </td>
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<p>Sets the minimum value of the adjustment. </p>
<p>When setting multiple adjustment properties via their individual setters, multiple "changed" signals will be emitted. However, since the emission of the "changed" signal is tied to the emission of the "GObject::notify" signals of the changed properties, it's possible to compress the "changed" signals into one by calling Glib::object_freeze_notify() and Glib::object_thaw_notify() around the calls to the individual setters.</p>
<p>Alternatively, using a single Glib::object_set() for all the properties to change, or using <a class="el" href="classGtk_1_1Adjustment.html#a02b7d411bd640215392a4f1911028104" title="Sets all properties of the adjustment at once.">configure()</a> has the same effect of compressing "changed" emissions.</p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000016">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>lower</em> </td><td>The new minimum value. </td></tr>
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</dd>
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<a class="anchor" id="a7cb297efb8bf3bb30aa51c754718f22a"></a><!-- doxytag: member="Gtk::Adjustment::set_page_increment" ref="a7cb297efb8bf3bb30aa51c754718f22a" args="(double page_increment)" -->
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<td class="memname">void Gtk::Adjustment::set_page_increment </td>
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<td class="paramtype">double </td>
<td class="paramname"> <em>page_increment</em></td>
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<p>Sets the page increment of the adjustment. </p>
<p>See <a class="el" href="classGtk_1_1Adjustment.html#a8b64cd68e91a24d6b7dfc03d8d199437" title="Sets the minimum value of the adjustment.">set_lower()</a> about how to compress multiple emissions of the "changed" signal when setting multiple adjustment properties.</p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000022">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>page_increment</em> </td><td>The new page increment. </td></tr>
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</dd>
</dl>
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<a class="anchor" id="a8ce619f778049f760ef25269d9da7273"></a><!-- doxytag: member="Gtk::Adjustment::set_page_size" ref="a8ce619f778049f760ef25269d9da7273" args="(double page_size)" -->
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<p>Sets the page size of the adjustment. </p>
<p>See <a class="el" href="classGtk_1_1Adjustment.html#a8b64cd68e91a24d6b7dfc03d8d199437" title="Sets the minimum value of the adjustment.">set_lower()</a> about how to compress multiple emissions of the "changed" signal when setting multiple adjustment properties.</p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000024">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>page_size</em> </td><td>The new page size. </td></tr>
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<a class="anchor" id="a0057e49eb57b09341b96a7c419ff1dfb"></a><!-- doxytag: member="Gtk::Adjustment::set_step_increment" ref="a0057e49eb57b09341b96a7c419ff1dfb" args="(double step_increment)" -->
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<p>Sets the step increment of the adjustment. </p>
<p>See <a class="el" href="classGtk_1_1Adjustment.html#a8b64cd68e91a24d6b7dfc03d8d199437" title="Sets the minimum value of the adjustment.">set_lower()</a> about how to compress multiple emissions of the "changed" signal when setting multiple adjustment properties.</p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000020">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>step_increment</em> </td><td>The new step increment. </td></tr>
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<a class="anchor" id="ab093897a15d80dba99969abb9bce039f"></a><!-- doxytag: member="Gtk::Adjustment::set_upper" ref="ab093897a15d80dba99969abb9bce039f" args="(double upper)" -->
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<p>Sets the maximum value of the adjustment. </p>
<p>Note that values will be restricted by <literal>upper - page-size</literal> if the page-size property is nonzero.</p>
<p>See <a class="el" href="classGtk_1_1Adjustment.html#a8b64cd68e91a24d6b7dfc03d8d199437" title="Sets the minimum value of the adjustment.">set_lower()</a> about how to compress multiple emissions of the "changed" signal when setting multiple adjustment properties.</p>
<dl class="since_2_14"><dt><b><a class="el" href="since_2_14.html#_since_2_14000018">Since gtkmm 2.14:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>upper</em> </td><td>The new maximum value. </td></tr>
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<a class="anchor" id="ac585ad50e95018cd4d0fe7b014102591"></a><!-- doxytag: member="Gtk::Adjustment::set_value" ref="ac585ad50e95018cd4d0fe7b014102591" args="(double value)" -->
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<td class="memname">void Gtk::Adjustment::set_value </td>
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<p>Sets the current value of the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a>. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>value</em> </td><td>The new value of the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a>. </td></tr>
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<a class="anchor" id="a5bd834dd1241233069e4932fc69e5155"></a><!-- doxytag: member="Gtk::Adjustment::signal_changed" ref="a5bd834dd1241233069e4932fc69e5155" args="()" -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1SignalProxy0.html">Glib::SignalProxy0</a>< void > Gtk::Adjustment::signal_changed </td>
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<dl class="user"><dt><b>Prototype:</b></dt><dd><code>void on_my_changed()</code> </dd></dl>
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<a class="anchor" id="a4be702f855da41b123577032e8148b99"></a><!-- doxytag: member="Gtk::Adjustment::signal_value_changed" ref="a4be702f855da41b123577032e8148b99" args="()" -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1SignalProxy0.html">Glib::SignalProxy0</a>< void > Gtk::Adjustment::signal_value_changed </td>
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<dl class="user"><dt><b>Prototype:</b></dt><dd><code>void on_my_value_changed()</code> </dd></dl>
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<td class="memname">void Gtk::Adjustment::value_changed </td>
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<p>Emits a "value_changed" signal from the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a>. </p>
<p>This is typically called by the owner of the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a> after it has changed the <a class="el" href="classGtk_1_1Adjustment.html" title="A class representing an adjustable bounded value.">Adjustment</a> value field. </p>
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<hr/><h2>Friends And Related Function Documentation</h2>
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<td class="memname"><a class="el" href="classGtk_1_1Adjustment.html">Gtk::Adjustment</a>* wrap </td>
<td>(</td>
<td class="paramtype">GtkAdjustment * </td>
<td class="paramname"> <em>object</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>take_copy</em> = <code>false</code></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [related]</code></td>
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<div class="memdoc">
<p>A <a class="elRef" href="../../../glibmm-2.4/reference/html/namespaceGlib.html#a671306f4a3a0cae5ab4d7a9d54886592">Glib::wrap()</a> method for this object. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>object</em> </td><td>The C instance. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>take_copy</em> </td><td>False if the result should take ownership of the C instance. True if it should take a new copy or ref. </td></tr>
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</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A C++ instance that wraps this C instance. </dd></dl>
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</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>gtkmm/adjustment.h</li>
</ul>
</div>
<hr size="1"/><address style="text-align: right;"><small>Generated on Tue May 4 13:21:46 2010 for gtkmm by 
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
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