<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>Vidalia: HelpTextBrowser.cpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.6.3 -->
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
<li><a href="dirs.html"><span>Directories</span></a></li>
</ul>
</div>
<div class="tabs">
<ul>
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>File Members</span></a></li>
</ul>
</div>
<div class="navpath"><a class="el" href="dir_b47abd1aad201a152869566145babb61.html">src</a> » <a class="el" href="dir_695ba8f8357372e02d38c40b3c6dbe81.html">vidalia</a> » <a class="el" href="dir_b6d10de2e9b292c6ec1000704888fbb8.html">help</a> » <a class="el" href="dir_29e5c2bf20d56a63773809b26e49a915.html">browser</a>
</div>
</div>
<div class="contents">
<h1>HelpTextBrowser.cpp</h1><a href="_help_text_browser_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">** This file is part of Vidalia, and is subject to the license terms in the</span>
<a name="l00003"></a>00003 <span class="comment">** LICENSE file, found in the top level directory of this distribution. If you</span>
<a name="l00004"></a>00004 <span class="comment">** did not receive the LICENSE file with this file, you may obtain it from the</span>
<a name="l00005"></a>00005 <span class="comment">** Vidalia source package distributed by the Vidalia Project at</span>
<a name="l00006"></a>00006 <span class="comment">** http://www.vidalia-project.net/. No part of Vidalia, including this file,</span>
<a name="l00007"></a>00007 <span class="comment">** may be copied, modified, propagated, or distributed except according to the</span>
<a name="l00008"></a>00008 <span class="comment">** terms described in the LICENSE file.</span>
<a name="l00009"></a>00009 <span class="comment">*/</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="comment">/*</span>
<a name="l00012"></a>00012 <span class="comment">** \file HelpTextBrowser.cpp</span>
<a name="l00013"></a>00013 <span class="comment">** \version $Id: HelpTextBrowser.cpp 3735 2009-04-28 20:28:01Z edmanm $</span>
<a name="l00014"></a>00014 <span class="comment">** \brief Displays an HTML-based help document</span>
<a name="l00015"></a>00015 <span class="comment">*/</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#include "<a class="code" href="_help_text_browser_8h.html">HelpTextBrowser.h</a>"</span>
<a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="_v_message_box_8h.html">VMessageBox.h</a>"</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="_vidalia_8h.html">Vidalia.h</a>"</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="html_8h.html">html.h</a>"</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include <QDir></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <QFile></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <QDesktopServices></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">/** Default constructor. */</span>
<a name="l00029"></a><a class="code" href="class_help_text_browser.html#a106ad10ecf62a80679bbf1a561bdf22d">00029</a> <a class="code" href="class_help_text_browser.html#a106ad10ecf62a80679bbf1a561bdf22d">HelpTextBrowser::HelpTextBrowser</a>(QWidget *parent)
<a name="l00030"></a>00030 : QTextBrowser(parent)
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 setOpenExternalLinks(<span class="keyword">false</span>);
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034 <span class="comment"></span>
<a name="l00035"></a>00035 <span class="comment">/** Loads a resource into the browser. If it is an HTML resource, we'll load</span>
<a name="l00036"></a>00036 <span class="comment"> * it as UTF-8, so the special characters in our translations appear properly. */</span>
<a name="l00037"></a>00037 QVariant
<a name="l00038"></a><a class="code" href="class_help_text_browser.html#a1198f70267749525e1df5b58d9a3c0d8">00038</a> <a class="code" href="class_help_text_browser.html#a1198f70267749525e1df5b58d9a3c0d8">HelpTextBrowser::loadResource</a>(<span class="keywordtype">int</span> type, <span class="keyword">const</span> QUrl &name)
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 <span class="comment">/* If it's an HTML file, we'll handle it ourselves */</span>
<a name="l00041"></a>00041 <span class="keywordflow">if</span> (type == QTextDocument::HtmlResource) {
<a name="l00042"></a>00042 QString helpPath = <span class="stringliteral">":/help/"</span>;
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="comment">/* Fall back to English if there is no translation of the specified help</span>
<a name="l00045"></a>00045 <span class="comment"> * page in the current language. */</span>
<a name="l00046"></a>00046 <span class="keywordflow">if</span> (!name.path().contains(<span class="stringliteral">"/"</span>)) {
<a name="l00047"></a>00047 QString language = <a class="code" href="class_vidalia.html#a5ba4ecce07ab8959e7d3b23fc25ef9f6">Vidalia::language</a>();
<a name="l00048"></a>00048 <span class="keywordflow">if</span> (!QDir(<span class="stringliteral">":/help/"</span> + language).exists())
<a name="l00049"></a>00049 language = <span class="stringliteral">"en"</span>;
<a name="l00050"></a>00050 helpPath += language + <span class="stringliteral">"/"</span>;
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052
<a name="l00053"></a>00053 QFile file(helpPath + name.path());
<a name="l00054"></a>00054 <span class="keywordflow">if</span> (!file.open(QIODevice::ReadOnly)) {
<a name="l00055"></a>00055 <span class="keywordflow">return</span> tr(<span class="stringliteral">"Error opening help file: "</span>) + name.path();
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057 <span class="keywordflow">return</span> QString::fromUtf8(file.readAll());
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059 <span class="comment">/* Everything else, just let QTextBrowser take care of it. */</span>
<a name="l00060"></a>00060 <span class="keywordflow">return</span> <a class="code" href="class_help_text_browser.html#a1198f70267749525e1df5b58d9a3c0d8">QTextBrowser::loadResource</a>(type, name);
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="comment"></span>
<a name="l00064"></a>00064 <span class="comment">/** Called when the displayed document is changed. If <b>url</b> specifies</span>
<a name="l00065"></a>00065 <span class="comment"> * an external link, then the user will be prompted for whether they want to</span>
<a name="l00066"></a>00066 <span class="comment"> * open the link in their default browser or not. */</span>
<a name="l00067"></a>00067 <span class="keywordtype">void</span>
<a name="l00068"></a><a class="code" href="class_help_text_browser.html#aefe360c4596be3dde4bbc66b82802551">00068</a> <a class="code" href="class_help_text_browser.html#aefe360c4596be3dde4bbc66b82802551">HelpTextBrowser::setSource</a>(<span class="keyword">const</span> QUrl &url)
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 <span class="keywordflow">if</span> (url.scheme() != <span class="stringliteral">"qrc"</span> && !url.isRelative()) {
<a name="l00071"></a>00071 <span class="comment">/* External link. Prompt the user for a response. */</span>
<a name="l00072"></a>00072 <span class="keywordtype">int</span> ret = <a class="code" href="class_v_message_box.html#a93d207010ff4260cdb0f7b07f4ec35c5">VMessageBox::question</a>(<span class="keyword">this</span>,
<a name="l00073"></a>00073 tr(<span class="stringliteral">"Opening External Link"</span>),
<a name="l00074"></a>00074 <a class="code" href="html_8cpp.html#a6859bd9e7f8c6a4ec0150749bac76c1d">p</a>(tr(<span class="stringliteral">"Vidalia can open the link you selected in your default "</span>
<a name="l00075"></a>00075 <span class="stringliteral">"Web browser. If your browser is not currently "</span>
<a name="l00076"></a>00076 <span class="stringliteral">"configured to use Tor then the request will not be "</span>
<a name="l00077"></a>00077 <span class="stringliteral">"anonymous."</span>)) +
<a name="l00078"></a>00078 <a class="code" href="html_8cpp.html#a6859bd9e7f8c6a4ec0150749bac76c1d">p</a>(tr(<span class="stringliteral">"Do you want Vidalia to open the link in your Web "</span>
<a name="l00079"></a>00079 <span class="stringliteral">"browser?"</span>)),
<a name="l00080"></a>00080 <a class="code" href="class_v_message_box.html#ad9a3aafc6d9076268b6b4b6b1357fe0aa577bff592dc54f371a778c2da4371531">VMessageBox::Yes</a>|VMessageBox::Default,
<a name="l00081"></a>00081 <a class="code" href="class_v_message_box.html#ad9a3aafc6d9076268b6b4b6b1357fe0aa59f97f6727d326522ba5b132be867d52">VMessageBox::Cancel</a>|<a class="code" href="class_v_message_box.html#ad9a3aafc6d9076268b6b4b6b1357fe0aa59f97f6727d326522ba5b132be867d52">VMessageBox::Cancel</a>);
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keywordflow">if</span> (ret == <a class="code" href="class_v_message_box.html#ad9a3aafc6d9076268b6b4b6b1357fe0aa59f97f6727d326522ba5b132be867d52">VMessageBox::Cancel</a>)
<a name="l00084"></a>00084 <span class="keywordflow">return</span>;
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keywordtype">bool</span> ok = QDesktopServices::openUrl(url);
<a name="l00087"></a>00087 <span class="keywordflow">if</span> (!ok) {
<a name="l00088"></a>00088 <a class="code" href="class_v_message_box.html#a3fa399ecd05615e0b8df5db3b1f08742">VMessageBox::information</a>(<span class="keyword">this</span>,
<a name="l00089"></a>00089 tr(<span class="stringliteral">"Unable to Open Link"</span>),
<a name="l00090"></a>00090 tr(<span class="stringliteral">"Vidalia was unable to open the selected link in your Web browser. "</span>
<a name="l00091"></a>00091 <span class="stringliteral">"You can still copy the URL and paste it into your browser."</span>),
<a name="l00092"></a>00092 <a class="code" href="class_v_message_box.html#ad9a3aafc6d9076268b6b4b6b1357fe0aafc0d4bb792dca848f92d28e60dec4fe4">VMessageBox::Ok</a>);
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094 } <span class="keywordflow">else</span> {
<a name="l00095"></a>00095 <span class="comment">/* Internal link. Just load it like normal. */</span>
<a name="l00096"></a>00096 <a class="code" href="class_help_text_browser.html#aefe360c4596be3dde4bbc66b82802551">QTextBrowser::setSource</a>(url);
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
</pre></div></div>
<hr class="footer"/><address style="text-align: right;"><small>Generated on Mon Aug 30 22:58:54 2010 for Vidalia by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.3 </small></address>
</body>
</html>
distrib
>
Mandriva
>
2010.2
>
i586
>
media
>
contrib-backports
>
by-pkgid
>
9601c7beb4ff23e834bfa171795ed560
>
files
>
155
