63 lines
16 KiB
HTML
63 lines
16 KiB
HTML
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>The Be Book - Classes And Methods - The Interface Kit</title><link rel="stylesheet" href="be_book.css" type="text/css" media="all" /><link rel="shortcut icon" type="image/vnd.microsoft.icon" href="./images/favicon.ico" /><!--[if IE]>
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<link rel="stylesheet" type="text/css" href="be_book_ie.css" />
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<![endif]--><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /><meta name="keywords" content="Access, BeOS, BeBook, API" /><link rel="start" href="index.html" title="The Be Book" /><link rel="up" href="TheInterfaceKit.html" title="The Interface Kit" /><link rel="prev" href="BStatusBar.html" title="BStatusBar" /><link rel="next" href="BStringView.html" title="BStringView" /></head><body><div id="header"><div id="headerT"><div id="headerTL"><a accesskey="p" href="BStatusBar.html" title="BStatusBar"><img src="./images/navigation/prev.png" alt="Prev" /></a> <a accesskey="u" href="TheInterfaceKit.html" title="The Interface Kit"><img src="./images/navigation/up.png" alt="Up" /></a> <a accesskey="n" href="BStringView.html" title="BStringView"><img src="./images/navigation/next.png" alt="Next" /></a></div><div id="headerTR"><div id="navigpeople"><a href="http://www.haiku-os.org"><img src="./images/People_24.png" alt="haiku-os.org" title="Visit The Haiku Website" /></a></div><div class="navighome" title="Home"><a accesskey="h" href="index.html"><img src="./images/navigation/home.png" alt="Home" /></a></div><div class="navigboxed" id="navigindex"><a accesskey="i" href="ClassIndex.html" title="Index">I</a></div><div class="navigboxed" id="naviglang" title="English">en</div></div><div id="headerTC">The Be Book - Classes And Methods - The Interface Kit</div></div><div id="headerB">Prev: <a href="BStatusBar.html">BStatusBar</a> Up: <a href="TheInterfaceKit.html">The Interface Kit</a> Next: <a href="BStringView.html">BStringView</a></div><hr /></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><div xmlns:d="http://docbook.org/ns/docbook"><h2 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BStringItem"></a>BStringItem</h2></div></div></div><a id="id1038336" class="indexterm"></a><div class="classheader"><table border="0"><colgroup><col /><col /></colgroup><tbody><tr><td><table width="100%" border="0"><colgroup><col /><col /></colgroup><tbody><tr><td>Derived From:</td><td><a class="link" href="BListItem.html" title="BListItem"><code class="classname">BListItem</code></a></td></tr><tr><td>Mix-in Classes:</td><td>–</td></tr><tr><td>Declared In:</td><td><code class="filename">interface/ListItem.h</code></td></tr><tr><td>Library:</td><td><code class="filename">libbe.so</code></td></tr><tr><td>Allocation:</td><td>–</td></tr></tbody></table></td><td>
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<a class="link overview" href="BStringItem_Overview.html" title="BStringItem">Class Overview</a>
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<div class="toc"><ul><li><span class="section"><a href="BStringItem.html#BStringItem_ConstructorDestructor">Constructor and Destructor</a></span></li><li><span class="section"><a href="BStringItem.html#BStringItem_MemberFunctions">Member Functions</a></span></li><li><span class="section"><a href="BStringItem.html#BStringItem_StaticFunctions">Static Functions</a></span></li><li><span class="section"><a href="BStringItem.html#BStringItem_ArchivedFields">Archived Fields</a></span></li></ul></div>
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</td></tr></tbody></table></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><hr /><div xmlns:d="http://docbook.org/ns/docbook"><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BStringItem_ConstructorDestructor"></a>Constructor and Destructor</h3></div></div></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><div xmlns:d="http://docbook.org/ns/docbook"><h4 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BStringItem_Constructor"></a>BStringItem()</h4></div></div></div><div class="synopsisgroup">
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<code class="constructorsynopsis cpp"><span class="methodname">BStringItem</span>(<span class="methodparam"><span class="modifier">const </span><span class="type">char* </span><span class="parameter">text</span></span>,<br /> <span class="methodparam"><span class="type">uint32 </span><span class="parameter">level</span><span class="initializer"> = 0</span></span>,<br /> <span class="methodparam"><span class="type">bool </span><span class="parameter">expanded</span><span class="initializer"> = <span class="constant">true</span></span></span>);</code>
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<code class="constructorsynopsis cpp"><span class="methodname">BStringItem</span>(<span class="methodparam"><span class="type">BMessage* </span><span class="parameter">archive</span></span>);</code>
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</div><p>
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Initializes the <code class="classname">BStringItem</code> by making a copy of the text string passed as
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an argument. This is the string the item will display. The level and
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expanded arguments are passed unchanged to the <code class="classname">BListItem</code> constructor; see
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that function for an explanation.
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</p></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><div xmlns:d="http://docbook.org/ns/docbook"><h4 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BStringItem_Destructor"></a>~BStringItem()</h4></div></div></div><code class="destructorsynopsis cpp"><span class="modifier">virtual </span><span class="methodname">~BStringItem</span>();</code><p>
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Frees the text the item displays.
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</p></div></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><hr /><div xmlns:d="http://docbook.org/ns/docbook"><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BStringItem_MemberFunctions"></a>Member Functions</h3></div></div></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><div xmlns:d="http://docbook.org/ns/docbook"><h4 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BStringItem_Archive"></a>Archive()</h4></div></div></div><code class="methodsynopsis cpp"><span class="modifier">virtual </span><span class="type">status_t </span><span class="methodname">Archive</span>(<span class="methodparam"><span class="type"><a class="link" href="BMessage.html" title="BMessage"><code class="classname">BMessage</code></a>* </span><span class="parameter">archive</span></span>,<br /> <span class="methodparam"><span class="type">bool </span><span class="parameter">deep</span><span class="initializer"> = <span class="constant">true</span></span></span>) <span class="modifier">const</span>;</code><p>
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Calls the inherited version of <code class="methodname">Archive()</code> and stores the
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<code class="classname">BStringItem</code> in the
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<a class="link" href="BMessage.html" title="BMessage"><code class="classname">BMessage</code></a> archive.
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</p><p>
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See also:
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<a class="link" href="BArchivable.html#BArchivable_Archive" title="Archive()"><code class="methodname">BArchivable::Archive()</code></a>,
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<a class="link" href="BStringItem.html#BStringItem_Instantiate" title="Instantiate()"><code class="methodname">Instantiate()</code></a> static function
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</p></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><div xmlns:d="http://docbook.org/ns/docbook"><h4 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BStringItem_DrawItem"></a>DrawItem()</h4></div></div></div><code class="methodsynopsis cpp"><span class="modifier">virtual </span><span class="void">void </span><span class="methodname">DrawItem</span>(<span class="methodparam"><span class="type"><a class="link" href="BView.html" title="BView"><code class="classname">BView</code></a>* </span><span class="parameter">owner</span></span>,<br /> <span class="methodparam"><span class="type">BRect </span><span class="parameter">frame</span></span>,<br /> <span class="methodparam"><span class="type">bool </span><span class="parameter">complete</span><span class="initializer"> = <span class="constant">false</span></span></span>);</code><p>
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Draws the text string, dimming it if the item is disabled and
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highlighting it if the item is selected.
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</p><p>
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See also:
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<a class="link" href="BListItem.html#BListItem_DrawItem" title="DrawItem()"><code class="methodname">BListItem::DrawItem()</code></a>
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</p></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><div xmlns:d="http://docbook.org/ns/docbook"><h4 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BStringItem_SetText"></a><a id="BStringItem_Text"></a>
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SetText(), Text()</h4></div></div></div><code class="methodsynopsis cpp"><span class="modifier">virtual </span><span class="void">void </span><span class="methodname">SetText</span>(<span class="methodparam"><span class="modifier">const </span><span class="type">char* </span><span class="parameter">text</span></span>);</code><code class="methodsynopsis cpp"><span class="modifier">const </span><span class="type">char* </span><span class="methodname">Text</span>() <span class="modifier">const</span>;</code><p>
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These functions set and return the text that the <code class="classname">BStringItem</code> draws.
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<code class="methodname">SetText()</code> copies the string it's passed. <code class="methodname">Text()</code> returns a pointer to the
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string owned by the <code class="classname">BStringItem</code>.
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</p></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><div xmlns:d="http://docbook.org/ns/docbook"><h4 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BStringItem_Update"></a>Update()</h4></div></div></div><code class="methodsynopsis cpp"><span class="modifier">virtual </span><span class="void">void </span><span class="methodname">Update</span>(<span class="methodparam"><span class="type"><a class="link" href="BView.html" title="BView"><code class="classname">BView</code></a>* </span><span class="parameter">owner</span></span>,<br /> <span class="methodparam"><span class="modifier">const </span><span class="type"><a class="link" href="BFont.html" title="BFont"><code class="classname">BFont</code></a>* </span><span class="parameter">font</span></span>);</code><p>
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Overrides the <code class="classname">BListItem</code> version of
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<a class="link" href="BListItem.html#BListItem_Update" title="Update()"><code class="methodname">Update()</code></a> to recalculate the width and
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height of the <code class="classname">BStringItem</code> and the placement of the text. The width of the
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item is based on the width of the owner
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<a class="link" href="BView.html" title="BView"><code class="classname">BView</code></a>. The height and text
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placement are based on the owner's font. The item must be tall enough to
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display the string in the current font.
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</p></div></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><hr /><div xmlns:d="http://docbook.org/ns/docbook"><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BStringItem_StaticFunctions"></a>Static Functions</h3></div></div></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><div xmlns:d="http://docbook.org/ns/docbook"><h4 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BStringItem_Instantiate"></a>Instantiate()</h4></div></div></div><code class="methodsynopsis cpp"><span class="modifier">static </span><span class="type"><a class="link" href="BArchivable.html" title="BArchivable"><code class="classname">BArchivable</code></a>* </span><span class="methodname">Instantiate</span>(<span class="methodparam"><span class="type"><a class="link" href="BMessage.html" title="BMessage"><code class="classname">BMessage</code></a>* </span><span class="parameter">archive</span></span>);</code><p>
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Returns a new <code class="classname">BStringItem</code> object, allocated by new and created with the
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version of the constructor that takes a <a class="link" href="BMessage.html" title="BMessage"><code class="classname">BMessage</code></a> archive. However, if the
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archive message doesn't contain archived data for a BStringItem,
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Instantiate() returns <code class="constant">NULL</code>.
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</p><p>
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See also
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<a class="link" href="BArchivable.html#BArchivable_Instantiate" title="Instantiate()"><code class="methodname">BArchivable::Instantiate()</code></a>,
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<a class="link" href="TheSupportKit_Functions.html#instantiate_object" title="instantiate_object()"><code class="function">instantiate_object()</code></a>,
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<a class="link" href="BStringItem.html#BStringItem_Archive" title="Archive()"><code class="methodname">Archive()</code></a>
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</p></div></div><div class="section"><div xmlns="" xmlns:d="http://docbook.org/ns/docbook" class="titlepage"><div><hr /><div xmlns:d="http://docbook.org/ns/docbook"><h3 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="BStringItem_ArchivedFields"></a>Archived Fields</h3></div></div></div><p>
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The <a class="link" href="BStringItem.html#BStringItem_Archive" title="Archive()"><code class="methodname">Archive()</code></a>
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function adds the following fields to its
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<a class="link" href="BMessage.html" title="BMessage"><code class="classname">BMessage</code></a> argument:
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</p><div class="informaltable"><table border="1"><colgroup><col /><col /><col /></colgroup><thead><tr><th>Field</th><th>Type code</th><th>Description</th></tr></thead><tbody><tr><td><code class="varname">_label</code></td><td><code class="constant">B_STRING_TYPE</code></td><td>String text (present only if it is not <code class="constant">NULL</code>).</td></tr></tbody></table></div></div></div><div id="footer"><hr /><div id="footerT">Prev: <a href="BStatusBar.html">BStatusBar</a> Up: <a href="TheInterfaceKit.html">The Interface Kit</a> Next: <a href="BStringView.html">BStringView</a> </div><div id="footerB"><div id="footerBL"><a href="BStatusBar.html" title="BStatusBar"><img src="./images/navigation/prev.png" alt="Prev" /></a> <a href="TheInterfaceKit.html" title="The Interface Kit"><img src="./images/navigation/up.png" alt="Up" /></a> <a href="BStringView.html" title="BStringView"><img src="./images/navigation/next.png" alt="Next" /></a></div><div id="footerBR"><div><a href="http://www.haiku-os.org"><img src="./images/People_24.png" alt="haiku-os.org" title="Visit The Haiku Website" /></a></div><div class="navighome" title="Home"><a accesskey="h" href="index.html"><img src="./images/navigation/home.png" alt="Home" /></a></div></div><div id="footerBC"><a href="http://www.access-company.com/home.html" title="ACCESS Co."><img alt="Access Company" src="./images/access_logo.png" /></a></div></div></div><div id="licenseFooter"><div id="licenseFooterBL"><a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/3.0/" title="Creative Commons License"><img alt="Creative Commons License" style="border-width:0" src="https://licensebuttons.net/l/by-nc-nd/3.0/88x31.png" /></a></div><div id="licenseFooterBR"><a href="./LegalNotice.html">Legal Notice</a></div><div id="licenseFooterBC"><span id="licenseText">This work is licensed under a
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<a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/3.0/">Creative
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Commons Attribution-Non commercial-No Derivative Works 3.0 License</a>.</span></div></div></body></html>
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