Ref T213, "about" component to display legal HTML page

src/blackgui/components/abouthtmlcomponent.cpp

@@ -0,0 +1,55 @@
+/* Copyright (C) 2018
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "blackgui/guiapplication.h"
+#include "blackmisc/fileutils.h"
+#include "blackmisc/directoryutils.h"
+#include "abouthtmlcomponent.h"
+#include "ui_abouthtmlcomponent.h"
+#include <QTimer>
+#include <QPointer>
+
+using namespace BlackMisc;
+
+namespace BlackGui
+{
+    namespace Components
+    {
+        CAboutHtmlComponent::CAboutHtmlComponent(QWidget *parent) :
+            QFrame(parent),
+            ui(new Ui::CAboutHtmlComponent)
+        {
+            ui->setupUi(this);
+            const QPointer<CAboutHtmlComponent> myself(this);
+            QTimer::singleShot(2500, this, [ = ]
+            {
+                if (!myself) { return; }
+                myself->loadAbout();
+            });
+        }
+
+        CAboutHtmlComponent::~CAboutHtmlComponent()
+        { }
+
+        void CAboutHtmlComponent::loadAbout()
+        {
+            // make links absolute
+            static const QString htmlFixed = [ = ]
+            {
+                // workaround:
+                // 1) Only reading as HTML gives proper formatting
+                // 2) Reading the file resource fails (likely because of the style sheet)
+                const QString html = CFileUtils::readFileToString(CDirectoryUtils::aboutFilePath());
+                const QString legalDir = sGui->getGlobalSetup().getLegalDirectoryUrl().getFullUrl();
+                return QString(html).replace(QLatin1String("href=\"./"), "href=\"" + legalDir);
+            }();
+            ui->tbr_About->setHtml(htmlFixed);
+        }
+    } // ns
+} // ns

src/blackgui/components/abouthtmlcomponent.h

@@ -0,0 +1,47 @@
+/* Copyright (C) 2018
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKGUI_COMPONENTS_ABOUTHTMLCOMPONENT_H
+#define BLACKGUI_COMPONENTS_ABOUTHTMLCOMPONENT_H
+
+#include "blackgui/blackguiexport.h"
+#include <QFrame>
+#include <QScopedPointer>
+
+namespace Ui { class CAboutHtmlComponent; }
+namespace BlackGui
+{
+    namespace Components
+    {
+        /**
+         * Display the HTML info "about swift"
+         */
+        class BLACKGUI_EXPORT CAboutHtmlComponent : public QFrame
+        {
+            Q_OBJECT
+
+        public:
+            //! Constructor
+            explicit CAboutHtmlComponent(QWidget *parent = nullptr);
+
+            //! Destructor
+            virtual ~CAboutHtmlComponent();
+
+        private:
+            //! Load credits and legal info
+            void loadAbout();
+
+            QScopedPointer<Ui::CAboutHtmlComponent> ui;
+        };
+    } // ns
+} // ns
+
+#endif // guard

src/blackgui/components/abouthtmlcomponent.ui

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>CAboutHtmlComponent</class>
+ <widget class="QFrame" name="CAboutHtmlComponent">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>640</width>
+    <height>480</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Frame</string>
+  </property>
+  <layout class="QVBoxLayout" name="vl_AboutHtmlComponent">
+   <property name="leftMargin">
+    <number>2</number>
+   </property>
+   <property name="topMargin">
+    <number>2</number>
+   </property>
+   <property name="rightMargin">
+    <number>2</number>
+   </property>
+   <property name="bottomMargin">
+    <number>2</number>
+   </property>
+   <item>
+    <widget class="QTextBrowser" name="tbr_About">
+     <property name="documentTitle">
+      <string>About swift</string>
+     </property>
+     <property name="readOnly">
+      <bool>true</bool>
+     </property>
+     <property name="html">
+      <string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
+&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;title&gt;About swift&lt;/title&gt;&lt;style type=&quot;text/css&quot;&gt;
+p, li { white-space: pre-wrap; }
+&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'MS Shell Dlg 2'; font-size:8.1pt; font-weight:400; font-style:normal;&quot;&gt;
+&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-size:8.25pt;&quot;&gt;Credits will go here&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+     </property>
+     <property name="openExternalLinks">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>