<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>ClutterTextBuffer</title> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="index.html" title="Clutter Reference Manual"> <link rel="up" href="ch10.html" title="General purpose API"> <link rel="prev" href="clutter-Stage-Manager.html" title="Stage Manager"> <link rel="next" href="clutter-Unit-conversion.html" title="Unit conversion"> <meta name="generator" content="GTK-Doc V1.18.1 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"> <tr valign="middle"> <td><a accesskey="p" href="clutter-Stage-Manager.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td> <td><a accesskey="u" href="ch10.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td> <td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td> <th width="100%" align="center">Clutter Reference Manual</th> <td><a accesskey="n" href="clutter-Unit-conversion.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td> </tr> <tr><td colspan="5" class="shortcuts"> <a href="#ClutterTextBuffer.synopsis" class="shortcut">Top</a> | <a href="#ClutterTextBuffer.description" class="shortcut">Description</a> | <a href="#ClutterTextBuffer.object-hierarchy" class="shortcut">Object Hierarchy</a> | <a href="#ClutterTextBuffer.properties" class="shortcut">Properties</a> | <a href="#ClutterTextBuffer.signals" class="shortcut">Signals</a> </td></tr> </table> <div class="refentry"> <a name="ClutterTextBuffer"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="ClutterTextBuffer.top_of_page"></a>ClutterTextBuffer</span></h2> <p>ClutterTextBuffer — Text buffer for ClutterText</p> </td> <td valign="top" align="right"></td> </tr></table></div> <div class="refsynopsisdiv"> <a name="ClutterTextBuffer.synopsis"></a><h2>Synopsis</h2> <pre class="synopsis">#define <a class="link" href="ClutterTextBuffer.html#CLUTTER-TEXT-BUFFER-MAX-SIZE:CAPS" title="CLUTTER_TEXT_BUFFER_MAX_SIZE">CLUTTER_TEXT_BUFFER_MAX_SIZE</a> struct <a class="link" href="ClutterTextBuffer.html#ClutterTextBuffer-struct" title="struct ClutterTextBuffer">ClutterTextBuffer</a>; struct <a class="link" href="ClutterTextBuffer.html#ClutterTextBufferClass" title="struct ClutterTextBufferClass">ClutterTextBufferClass</a>; <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="returnvalue">ClutterTextBuffer</span></a> * <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-new" title="clutter_text_buffer_new ()">clutter_text_buffer_new</a> (<em class="parameter"><code><span class="type">void</span></code></em>); <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="returnvalue">ClutterTextBuffer</span></a> * <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-new-with-text" title="clutter_text_buffer_new_with_text ()">clutter_text_buffer_new_with_text</a> (<em class="parameter"><code>const <span class="type">gchar</span> *text</code></em>, <em class="parameter"><code><span class="type">gssize</span> text_len</code></em>); <span class="returnvalue">void</span> <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-set-text" title="clutter_text_buffer_set_text ()">clutter_text_buffer_set_text</a> (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>, <em class="parameter"><code>const <span class="type">gchar</span> *chars</code></em>, <em class="parameter"><code><span class="type">gint</span> n_chars</code></em>); const <span class="returnvalue">gchar</span> * <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-get-text" title="clutter_text_buffer_get_text ()">clutter_text_buffer_get_text</a> (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>); <span class="returnvalue">gsize</span> <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-get-bytes" title="clutter_text_buffer_get_bytes ()">clutter_text_buffer_get_bytes</a> (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>); <span class="returnvalue">guint</span> <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-get-length" title="clutter_text_buffer_get_length ()">clutter_text_buffer_get_length</a> (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>); <span class="returnvalue">void</span> <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-set-max-length" title="clutter_text_buffer_set_max_length ()">clutter_text_buffer_set_max_length</a> (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>, <em class="parameter"><code><span class="type">gint</span> max_length</code></em>); <span class="returnvalue">gint</span> <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-get-max-length" title="clutter_text_buffer_get_max_length ()">clutter_text_buffer_get_max_length</a> (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>); <span class="returnvalue">guint</span> <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-insert-text" title="clutter_text_buffer_insert_text ()">clutter_text_buffer_insert_text</a> (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>, <em class="parameter"><code><span class="type">guint</span> position</code></em>, <em class="parameter"><code>const <span class="type">gchar</span> *chars</code></em>, <em class="parameter"><code><span class="type">gint</span> n_chars</code></em>); <span class="returnvalue">guint</span> <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-delete-text" title="clutter_text_buffer_delete_text ()">clutter_text_buffer_delete_text</a> (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>, <em class="parameter"><code><span class="type">guint</span> position</code></em>, <em class="parameter"><code><span class="type">gint</span> n_chars</code></em>); <span class="returnvalue">void</span> <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-emit-inserted-text" title="clutter_text_buffer_emit_inserted_text ()">clutter_text_buffer_emit_inserted_text</a> (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>, <em class="parameter"><code><span class="type">guint</span> position</code></em>, <em class="parameter"><code>const <span class="type">gchar</span> *chars</code></em>, <em class="parameter"><code><span class="type">guint</span> n_chars</code></em>); <span class="returnvalue">void</span> <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-emit-deleted-text" title="clutter_text_buffer_emit_deleted_text ()">clutter_text_buffer_emit_deleted_text</a> (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>, <em class="parameter"><code><span class="type">guint</span> position</code></em>, <em class="parameter"><code><span class="type">guint</span> n_chars</code></em>); </pre> </div> <div class="refsect1"> <a name="ClutterTextBuffer.object-hierarchy"></a><h2>Object Hierarchy</h2> <pre class="synopsis"> GObject +----ClutterTextBuffer </pre> </div> <div class="refsect1"> <a name="ClutterTextBuffer.properties"></a><h2>Properties</h2> <pre class="synopsis"> "<a class="link" href="ClutterTextBuffer.html#ClutterTextBuffer--length" title='The "length" property'>length</a>" <span class="type">guint</span> : Read "<a class="link" href="ClutterTextBuffer.html#ClutterTextBuffer--max-length" title='The "max-length" property'>max-length</a>" <span class="type">gint</span> : Read / Write "<a class="link" href="ClutterTextBuffer.html#ClutterTextBuffer--text" title='The "text" property'>text</a>" <span class="type">gchar</span>* : Read </pre> </div> <div class="refsect1"> <a name="ClutterTextBuffer.signals"></a><h2>Signals</h2> <pre class="synopsis"> "<a class="link" href="ClutterTextBuffer.html#ClutterTextBuffer-deleted-text" title='The "deleted-text" signal'>deleted-text</a>" : <code class="literal">Run First</code> "<a class="link" href="ClutterTextBuffer.html#ClutterTextBuffer-inserted-text" title='The "inserted-text" signal'>inserted-text</a>" : <code class="literal">Run First</code> </pre> </div> <div class="refsect1"> <a name="ClutterTextBuffer.description"></a><h2>Description</h2> <p> The <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> class contains the actual text displayed in a <a class="link" href="ClutterText.html" title="ClutterText"><span class="type">ClutterText</span></a> widget. </p> <p> A single <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> object can be shared by multiple <a class="link" href="ClutterText.html" title="ClutterText"><span class="type">ClutterText</span></a> widgets which will then share the same text content, but not the cursor position, visibility attributes, icon etc. </p> <p> <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> may be derived from. Such a derived class might allow text to be stored in an alternate location, such as non-pageable memory, useful in the case of important passwords. Or a derived class could integrate with an application's concept of undo/redo. </p> </div> <div class="refsect1"> <a name="ClutterTextBuffer.details"></a><h2>Details</h2> <div class="refsect2"> <a name="CLUTTER-TEXT-BUFFER-MAX-SIZE:CAPS"></a><h3>CLUTTER_TEXT_BUFFER_MAX_SIZE</h3> <pre class="programlisting">#define CLUTTER_TEXT_BUFFER_MAX_SIZE G_MAXUSHORT </pre> <p> Maximum size of text buffer, in bytes. </p> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="ClutterTextBuffer-struct"></a><h3>struct ClutterTextBuffer</h3> <pre class="programlisting">struct ClutterTextBuffer;</pre> <p> The <span class="structname">ClutterTextBuffer</span> structure contains private data and it should only be accessed using the provided API. </p> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="ClutterTextBufferClass"></a><h3>struct ClutterTextBufferClass</h3> <pre class="programlisting">struct ClutterTextBufferClass { /* Signals */ void (*inserted_text) (ClutterTextBuffer *buffer, guint position, const gchar *chars, guint n_chars); void (*deleted_text) (ClutterTextBuffer *buffer, guint position, guint n_chars); /* Virtual Methods */ const gchar* (*get_text) (ClutterTextBuffer *buffer, gsize *n_bytes); guint (*get_length) (ClutterTextBuffer *buffer); guint (*insert_text) (ClutterTextBuffer *buffer, guint position, const gchar *chars, guint n_chars); guint (*delete_text) (ClutterTextBuffer *buffer, guint position, guint n_chars); }; </pre> <p> The <span class="structname">ClutterTextBufferClass</span> structure contains only private data. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="structfield"><code><a name="ClutterTextBufferClass.inserted-text"></a>inserted_text</code></em> ()</span></p></td> <td>default handler for the <a class="link" href="ClutterTextBuffer.html#ClutterTextBuffer-inserted-text" title='The "inserted-text" signal'><span class="type">"inserted-text"</span></a> signal</td> </tr> <tr> <td><p><span class="term"><em class="structfield"><code><a name="ClutterTextBufferClass.deleted-text"></a>deleted_text</code></em> ()</span></p></td> <td>default hanlder for the <a class="link" href="ClutterTextBuffer.html#ClutterTextBuffer-deleted-text" title='The "deleted-text" signal'><span class="type">"deleted-text"</span></a> signal</td> </tr> <tr> <td><p><span class="term"><em class="structfield"><code><a name="ClutterTextBufferClass.get-text"></a>get_text</code></em> ()</span></p></td> <td>virtual function</td> </tr> <tr> <td><p><span class="term"><em class="structfield"><code><a name="ClutterTextBufferClass.get-length"></a>get_length</code></em> ()</span></p></td> <td>virtual function</td> </tr> <tr> <td><p><span class="term"><em class="structfield"><code><a name="ClutterTextBufferClass.insert-text"></a>insert_text</code></em> ()</span></p></td> <td>virtual function</td> </tr> <tr> <td><p><span class="term"><em class="structfield"><code><a name="ClutterTextBufferClass.delete-text"></a>delete_text</code></em> ()</span></p></td> <td>virtual function</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="clutter-text-buffer-new"></a><h3>clutter_text_buffer_new ()</h3> <pre class="programlisting"><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="returnvalue">ClutterTextBuffer</span></a> * clutter_text_buffer_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> <p> Create a new ClutterTextBuffer object. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> <td>A new ClutterTextBuffer object.</td> </tr></tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="clutter-text-buffer-new-with-text"></a><h3>clutter_text_buffer_new_with_text ()</h3> <pre class="programlisting"><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="returnvalue">ClutterTextBuffer</span></a> * clutter_text_buffer_new_with_text (<em class="parameter"><code>const <span class="type">gchar</span> *text</code></em>, <em class="parameter"><code><span class="type">gssize</span> text_len</code></em>);</pre> <p> Create a new ClutterTextBuffer object with some text. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>text</code></em> :</span></p></td> <td>initial buffer text. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span> </td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>text_len</code></em> :</span></p></td> <td>initial buffer text length, or -1 for null-terminated.</td> </tr> <tr> <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> <td>A new ClutterTextBuffer object.</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="clutter-text-buffer-set-text"></a><h3>clutter_text_buffer_set_text ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> clutter_text_buffer_set_text (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>, <em class="parameter"><code>const <span class="type">gchar</span> *chars</code></em>, <em class="parameter"><code><span class="type">gint</span> n_chars</code></em>);</pre> <p> Sets the text in the buffer. </p> <p> This is roughly equivalent to calling <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-delete-text" title="clutter_text_buffer_delete_text ()"><code class="function">clutter_text_buffer_delete_text()</code></a> and <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-insert-text" title="clutter_text_buffer_insert_text ()"><code class="function">clutter_text_buffer_insert_text()</code></a>. </p> <p> Note that <em class="parameter"><code>n_chars</code></em> is in characters, not in bytes. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> <td>a <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>chars</code></em> :</span></p></td> <td>the new text</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>n_chars</code></em> :</span></p></td> <td>the number of characters in <em class="parameter"><code>text</code></em>, or -1</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="clutter-text-buffer-get-text"></a><h3>clutter_text_buffer_get_text ()</h3> <pre class="programlisting">const <span class="returnvalue">gchar</span> * clutter_text_buffer_get_text (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>);</pre> <p> Retrieves the contents of the buffer. </p> <p> The memory pointer returned by this call will not change unless this object emits a signal, or is finalized. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> <td>a <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </td> </tr> <tr> <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> <td>a pointer to the contents of the widget as a string. This string points to internally allocated storage in the buffer and must not be freed, modified or stored.</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="clutter-text-buffer-get-bytes"></a><h3>clutter_text_buffer_get_bytes ()</h3> <pre class="programlisting"><span class="returnvalue">gsize</span> clutter_text_buffer_get_bytes (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>);</pre> <p> Retrieves the length in bytes of the buffer. See <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-get-length" title="clutter_text_buffer_get_length ()"><code class="function">clutter_text_buffer_get_length()</code></a>. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> <td>a <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </td> </tr> <tr> <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> <td>The byte length of the buffer.</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="clutter-text-buffer-get-length"></a><h3>clutter_text_buffer_get_length ()</h3> <pre class="programlisting"><span class="returnvalue">guint</span> clutter_text_buffer_get_length (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>);</pre> <p> Retrieves the length in characters of the buffer. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> <td>a <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </td> </tr> <tr> <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> <td>The number of characters in the buffer.</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="clutter-text-buffer-set-max-length"></a><h3>clutter_text_buffer_set_max_length ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> clutter_text_buffer_set_max_length (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>, <em class="parameter"><code><span class="type">gint</span> max_length</code></em>);</pre> <p> Sets the maximum allowed length of the contents of the buffer. If the current contents are longer than the given length, then they will be truncated to fit. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> <td>a <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>max_length</code></em> :</span></p></td> <td>the maximum length of the entry buffer, or 0 for no maximum. (other than the maximum length of entries.) The value passed in will be clamped to the range [ 0, <a class="link" href="ClutterTextBuffer.html#CLUTTER-TEXT-BUFFER-MAX-SIZE:CAPS" title="CLUTTER_TEXT_BUFFER_MAX_SIZE"><code class="literal">CLUTTER_TEXT_BUFFER_MAX_SIZE</code></a> ].</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="clutter-text-buffer-get-max-length"></a><h3>clutter_text_buffer_get_max_length ()</h3> <pre class="programlisting"><span class="returnvalue">gint</span> clutter_text_buffer_get_max_length (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>);</pre> <p> Retrieves the maximum allowed length of the text in <em class="parameter"><code>buffer</code></em>. See <a class="link" href="ClutterTextBuffer.html#clutter-text-buffer-set-max-length" title="clutter_text_buffer_set_max_length ()"><code class="function">clutter_text_buffer_set_max_length()</code></a>. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> <td>a <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </td> </tr> <tr> <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> <td>the maximum allowed number of characters in <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a>, or 0 if there is no maximum.</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="clutter-text-buffer-insert-text"></a><h3>clutter_text_buffer_insert_text ()</h3> <pre class="programlisting"><span class="returnvalue">guint</span> clutter_text_buffer_insert_text (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>, <em class="parameter"><code><span class="type">guint</span> position</code></em>, <em class="parameter"><code>const <span class="type">gchar</span> *chars</code></em>, <em class="parameter"><code><span class="type">gint</span> n_chars</code></em>);</pre> <p> Inserts <em class="parameter"><code>n_chars</code></em> characters of <em class="parameter"><code>chars</code></em> into the contents of the buffer, at position <em class="parameter"><code>position</code></em>. </p> <p> If <em class="parameter"><code>n_chars</code></em> is negative, then characters from chars will be inserted until a null-terminator is found. If <em class="parameter"><code>position</code></em> or <em class="parameter"><code>n_chars</code></em> are out of bounds, or the maximum buffer text length is exceeded, then they are coerced to sane values. </p> <p> Note that the position and length are in characters, not in bytes. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> <td>a <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>position</code></em> :</span></p></td> <td>the position at which to insert text.</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>chars</code></em> :</span></p></td> <td>the text to insert into the buffer.</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>n_chars</code></em> :</span></p></td> <td>the length of the text in characters, or -1</td> </tr> <tr> <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> <td>The number of characters actually inserted.</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="clutter-text-buffer-delete-text"></a><h3>clutter_text_buffer_delete_text ()</h3> <pre class="programlisting"><span class="returnvalue">guint</span> clutter_text_buffer_delete_text (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>, <em class="parameter"><code><span class="type">guint</span> position</code></em>, <em class="parameter"><code><span class="type">gint</span> n_chars</code></em>);</pre> <p> Deletes a sequence of characters from the buffer. <em class="parameter"><code>n_chars</code></em> characters are deleted starting at <em class="parameter"><code>position</code></em>. If <em class="parameter"><code>n_chars</code></em> is negative, then all characters until the end of the text are deleted. </p> <p> If <em class="parameter"><code>position</code></em> or <em class="parameter"><code>n_chars</code></em> are out of bounds, then they are coerced to sane values. </p> <p> Note that the positions are specified in characters, not bytes. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> <td>a <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>position</code></em> :</span></p></td> <td>position at which to delete text</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>n_chars</code></em> :</span></p></td> <td>number of characters to delete</td> </tr> <tr> <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> <td>The number of characters deleted.</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="clutter-text-buffer-emit-inserted-text"></a><h3>clutter_text_buffer_emit_inserted_text ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> clutter_text_buffer_emit_inserted_text (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>, <em class="parameter"><code><span class="type">guint</span> position</code></em>, <em class="parameter"><code>const <span class="type">gchar</span> *chars</code></em>, <em class="parameter"><code><span class="type">guint</span> n_chars</code></em>);</pre> <p> Emits the <a class="link" href="ClutterTextBuffer.html#ClutterTextBuffer-inserted-text" title='The "inserted-text" signal'><span class="type">"inserted-text"</span></a> signal on <em class="parameter"><code>buffer</code></em>. </p> <p> Used when subclassing <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> <td>a <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>position</code></em> :</span></p></td> <td>position at which text was inserted</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>chars</code></em> :</span></p></td> <td>text that was inserted</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>n_chars</code></em> :</span></p></td> <td>number of characters inserted</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="clutter-text-buffer-emit-deleted-text"></a><h3>clutter_text_buffer_emit_deleted_text ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> clutter_text_buffer_emit_deleted_text (<em class="parameter"><code><a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer</code></em>, <em class="parameter"><code><span class="type">guint</span> position</code></em>, <em class="parameter"><code><span class="type">guint</span> n_chars</code></em>);</pre> <p> Emits the <a class="link" href="ClutterTextBuffer.html#ClutterTextBuffer-deleted-text" title='The "deleted-text" signal'><span class="type">"deleted-text"</span></a> signal on <em class="parameter"><code>buffer</code></em>. </p> <p> Used when subclassing <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> <td>a <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>position</code></em> :</span></p></td> <td>position at which text was deleted</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>n_chars</code></em> :</span></p></td> <td>number of characters deleted</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> </div> <div class="refsect1"> <a name="ClutterTextBuffer.property-details"></a><h2>Property Details</h2> <div class="refsect2"> <a name="ClutterTextBuffer--length"></a><h3>The <code class="literal">"length"</code> property</h3> <pre class="programlisting"> "length" <span class="type">guint</span> : Read</pre> <p> The length (in characters) of the text in buffer. </p> <p>Allowed values: <= 65535</p> <p>Default value: 0</p> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="ClutterTextBuffer--max-length"></a><h3>The <code class="literal">"max-length"</code> property</h3> <pre class="programlisting"> "max-length" <span class="type">gint</span> : Read / Write</pre> <p> The maximum length (in characters) of the text in the buffer. </p> <p>Allowed values: [0,65535]</p> <p>Default value: 0</p> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="ClutterTextBuffer--text"></a><h3>The <code class="literal">"text"</code> property</h3> <pre class="programlisting"> "text" <span class="type">gchar</span>* : Read</pre> <p> The contents of the buffer. </p> <p>Default value: ""</p> <p class="since">Since 1.10</p> </div> </div> <div class="refsect1"> <a name="ClutterTextBuffer.signal-details"></a><h2>Signal Details</h2> <div class="refsect2"> <a name="ClutterTextBuffer-deleted-text"></a><h3>The <code class="literal">"deleted-text"</code> signal</h3> <pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer, <span class="type">guint</span> position, <span class="type">guint</span> n_chars, <span class="type">gpointer</span> user_data) : <code class="literal">Run First</code></pre> <p> This signal is emitted after text is deleted from the buffer. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> <td>a <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>position</code></em> :</span></p></td> <td>the position the text was deleted at.</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>n_chars</code></em> :</span></p></td> <td>The number of characters that were deleted.</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td> <td>user data set when the signal handler was connected.</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> <hr> <div class="refsect2"> <a name="ClutterTextBuffer-inserted-text"></a><h3>The <code class="literal">"inserted-text"</code> signal</h3> <pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> *buffer, <span class="type">guint</span> position, <span class="type">gchar</span> *chars, <span class="type">guint</span> n_chars, <span class="type">gpointer</span> user_data) : <code class="literal">Run First</code></pre> <p> This signal is emitted after text is inserted into the buffer. </p> <div class="variablelist"><table border="0" class="variablelist"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td> <td>a <a class="link" href="ClutterTextBuffer.html" title="ClutterTextBuffer"><span class="type">ClutterTextBuffer</span></a> </td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>position</code></em> :</span></p></td> <td>the position the text was inserted at.</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>chars</code></em> :</span></p></td> <td>The text that was inserted.</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>n_chars</code></em> :</span></p></td> <td>The number of characters that were inserted.</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td> <td>user data set when the signal handler was connected.</td> </tr> </tbody> </table></div> <p class="since">Since 1.10</p> </div> </div> </div> <div class="footer"> <hr> Generated by GTK-Doc V1.18.1</div> </body> </html>