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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | <html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>gtk.Scrollbar</title><link rel="stylesheet" href="style.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.75.2"><link rel="home" href="index.html" title="PyGTK 2.0 Reference Manual"><link rel="up" href="gtk-class-reference.html" title="The gtk Class Reference"><link rel="prev" href="class-gtkscalebutton.html" title="gtk.ScaleButton"><link rel="next" href="class-gtkscrolledwindow.html" title="gtk.ScrolledWindow"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">gtk.Scrollbar</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="class-gtkscalebutton.html">Prev</a> </td><th width="60%" align="center">The gtk Class Reference</th><td width="20%" align="right"> <a accesskey="n" href="class-gtkscrolledwindow.html">Next</a></td></tr></table><hr></div><div class="refentry" title="gtk.Scrollbar"><a name="class-gtkscrollbar"></a><div class="titlepage"></div><div class="refnamediv"><h2>gtk.Scrollbar</h2><p>gtk.Scrollbar — a base class for scrollbar widgets.</p></div><div class="refsect1" title="Synopsis"><a name="id3885417"></a><h2>Synopsis</h2><table bgcolor="#D0E0F0" width="100%"><tr><td><pre class="classsynopsis">class <span class="ooclass"><span class="classname">gtk.Scrollbar</span></span>(<span class="ooclass"><span class="classname"><a class="link" href="class-gtkrange.html" title="gtk.Range">gtk.Range</a></span></span>):
</pre></td></tr></table></div><div class="refsect1" title="Ancestry"><a name="id3885446"></a><h2>Ancestry</h2><pre class="synopsis">+-- <PYGTKDOCLINK HREF="class-gobject">gobject.GObject</PYGTKDOCLINK>
+-- <a class="link" href="class-gtkobject.html" title="gtk.Object">gtk.Object</a>
+-- <a class="link" href="class-gtkwidget.html" title="gtk.Widget">gtk.Widget</a>
+-- <a class="link" href="class-gtkrange.html" title="gtk.Range">gtk.Range</a>
+-- <a class="link" href="class-gtkscrollbar.html" title="gtk.Scrollbar">gtk.Scrollbar</a>
</pre></div><div class="refsect1" title="Implemented Interfaces"><a name="id3885491"></a><h2>Implemented Interfaces</h2><p>
<a class="link" href="class-gtkscrollbar.html" title="gtk.Scrollbar"><code class="classname">gtk.Scrollbar</code></a>
implements
<a class="link" href="class-gtkbuildable.html" title="gtk.Buildable"><code class="classname">gtk.Buildable</code></a>
</p></div><div class="refsect1" title="gtk.Scrollbar Properties"><a name="properties-gtkscrollbar"></a><h2>gtk.Scrollbar Properties</h2><p><a class="link" href="class-gtkobject.html#properties-gtkobject" title="gtk.Object Properties">gtk.Object Properties</a></p><p><a class="link" href="class-gtkwidget.html#properties-gtkwidget" title="gtk.Widget Properties">gtk.Widget Properties</a></p><p><a class="link" href="class-gtkrange.html#properties-gtkrange" title="gtk.Range Properties">gtk.Range Properties</a></p></div><div class="refsect1" title="gtk.Scrollbar Style Properties"><a name="style-properties-gtkscrollbar"></a><h2>gtk.Scrollbar Style Properties</h2><p><a class="link" href="class-gtkwidget.html#style-properties-gtkwidget" title="gtk.Widget Style Properties">gtk.Widget Style Properties</a></p><p><a class="link" href="class-gtkrange.html#style-properties-gtkrange" title="gtk.Range Style Properties">gtk.Range Style Properties</a></p><div class="blockquote"><table width="100%" border="0" bgcolor="#E0E0E0"><tr><td valign="top"><div class="informaltable"><table width="100%" border="0"><colgroup><col width="1in"><col width="1in"><col width="4in"></colgroup><tbody><tr valign="top"><td valign="top">"fixed-slider-length"</td><td valign="top">Read</td><td valign="top">If <code class="literal">True</code> don't change the slider
size, just lock it to the minimum length</td></tr><tr valign="top"><td valign="top">"has-backward-stepper"</td><td valign="top">Read</td><td valign="top">If <code class="literal">True</code> display the standard
backward arrow button</td></tr><tr valign="top"><td valign="top">"has-forward-stepper"</td><td valign="top">Read</td><td valign="top">If <code class="literal">True</code> display the standard forward
arrow button</td></tr><tr valign="top"><td valign="top">"has-secondary-backward-stepper"</td><td valign="top">Read</td><td valign="top">If <code class="literal">True</code> display a second backward
arrow button on the opposite end of the scrollbar</td></tr><tr valign="top"><td valign="top">"has-secondary-forward-stepper"</td><td valign="top">Read</td><td valign="top">If <code class="literal">True</code> display a secondary forward
arrow button on the opposite end of the scrollbar</td></tr><tr valign="top"><td valign="top">min-slider-length""</td><td valign="top">Read</td><td valign="top">The minimum length of scrollbar slider</td></tr></tbody></table></div></td></tr></table></div></div><div class="refsect1" title="gtk.Scrollbar Signal Prototypes"><a name="signal-prototypes-gtkscrollbar"></a><h2>gtk.Scrollbar Signal Prototypes</h2><p><PYGTKDOCLINK HREF="signal-prototypes-gobject">gobject.GObject Signal Prototypes</PYGTKDOCLINK></p><p><a class="link" href="class-gtkobject.html#signal-prototypes-gtkobject" title="gtk.Object Signal Prototypes">gtk.Object Signal Prototypes</a></p><p><a class="link" href="class-gtkwidget.html#signal-prototypes-gtkwidget" title="gtk.Widget Signal Prototypes">gtk.Widget Signal Prototypes</a></p><p><a class="link" href="class-gtkrange.html#signal-prototypes-gtkrange" title="gtk.Range Signal Prototypes">gtk.Range Signal Prototypes</a></p></div><div class="refsect1" title="Description"><a name="id3885806"></a><h2>Description</h2><p>The <a class="link" href="class-gtkscrollbar.html" title="gtk.Scrollbar"><code class="classname">gtk.Scrollbar</code></a>
widget is an abstract base class for <a class="link" href="class-gtkhscrollbar.html" title="gtk.HScrollbar"><code class="classname">gtk.HScrollbar</code></a>
and <a class="link" href="class-gtkvscrollbar.html" title="gtk.VScrollbar"><code class="classname">gtk.VScrollbar</code></a>.
The position of the thumb in a scrollbar is controlled by the scroll
adjustments. The <a class="link" href="class-gtkscrollbar.html" title="gtk.Scrollbar"><code class="classname">gtk.Scrollbar</code></a> uses the attributes in an adjustment (see <a class="link" href="class-gtkadjustment.html" title="gtk.Adjustment"><code class="classname">gtk.Adjustment</code></a>) as follows:</p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">the <code class="literal">adjustment.lower</code> attribute is the
minimum value of the scroll region</li><li class="listitem">the <code class="literal">adjustment.upper</code> attribute is the
maximum value of the scroll region</li><li class="listitem">the <code class="literal">adjustment.value</code> attribute
represents the position of the scrollbar, which must be between
<code class="literal">adjustment.lower</code> and <code class="literal">adjustment.upper</code>
- <code class="literal">adjustment.page_size</code></li><li class="listitem">the <code class="literal">adjustment.page_size</code> attribute
represents the size of the visible scrollable area</li><li class="listitem">the <code class="literal">adjustment.step_increment</code> attribute
is the distance to scroll when the small stepper arrows are clicked</li><li class="listitem">the <code class="literal">adjustment.page_increment</code> attribute
is the distance to scroll when the <span class="keycap"><strong>Page Up</strong></span> or <span class="keycap"><strong>Page
Down</strong></span> keys are pressed</li></ul></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="class-gtkscalebutton.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="gtk-class-reference.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="class-gtkscrolledwindow.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">gtk.ScaleButton </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> gtk.ScrolledWindow</td></tr></table></div></body></html>
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