added licenses to the about page

src/widgets/settingspages/aboutpage.cpp

@@ -1,8 +1,12 @@
 #include "aboutpage.hpp"
 
 #include "util/layoutcreator.hpp"
+#include "widgets/helper/signallabel.hpp"
 
+#include <QFormLayout>
+#include <QGroupBox>
 #include <QLabel>
+#include <QTextEdit>
 #include <QVBoxLayout>
 
 #define PIXMAP_WIDTH 500
@@ -33,28 +37,72 @@ AboutPage::AboutPage()
         //        palette.setColor(QPalette::LinkVisited, "#a5cdff");
 
         auto created = layout.emplace<QLabel>();
-        created->setText(
-            "Twitch Chat Client created by <a href=\"https://github.com/fourtf\">fourtf</a>");
-        created->setTextFormat(Qt::RichText);
-        created->setTextInteractionFlags(Qt::TextBrowserInteraction |
-                                         Qt::LinksAccessibleByKeyboard |
-                                         Qt::LinksAccessibleByKeyboard);
-        created->setOpenExternalLinks(true);
-        //        created->setPalette(palette);
+        {
+            created->setText(
+                "Twitch Chat Client created by <a href=\"https://github.com/fourtf\">fourtf</a>");
+            created->setTextFormat(Qt::RichText);
+            created->setTextInteractionFlags(Qt::TextBrowserInteraction |
+                                             Qt::LinksAccessibleByKeyboard |
+                                             Qt::LinksAccessibleByKeyboard);
+            created->setOpenExternalLinks(true);
+            //        created->setPalette(palette);
+        }
 
         auto github = layout.emplace<QLabel>();
-        github->setText(
-            "<a href=\"https://github.com/fourtf/chatterino2\">Chatterino on Github</a>");
-        github->setTextFormat(Qt::RichText);
-        github->setTextInteractionFlags(Qt::TextBrowserInteraction | Qt::LinksAccessibleByKeyboard |
-                                        Qt::LinksAccessibleByKeyboard);
-        github->setOpenExternalLinks(true);
-        //        github->setPalette(palette);
+        {
+            github->setText(
+                "<a href=\"https://github.com/fourtf/chatterino2\">Chatterino on Github</a>");
+            github->setTextFormat(Qt::RichText);
+            github->setTextInteractionFlags(Qt::TextBrowserInteraction |
+                                            Qt::LinksAccessibleByKeyboard |
+                                            Qt::LinksAccessibleByKeyboard);
+            github->setOpenExternalLinks(true);
+            //        github->setPalette(palette);
+        }
+
+        auto licenses = layout.emplace<QGroupBox>("Open source software used");
+        {
+            auto form = licenses.emplace<QFormLayout>();
+
+            addLicense(*form, "Qt Framework", "https://www.qt.io", ":/licenses/qt_lgpl-3.0.txt");
+            addLicense(*form, "Boost", "https://www.boost.org/", ":/licenses/boost_boost.txt");
+            addLicense(*form, "Fmt", "http://fmtlib.net/", ":/licenses/fmt_bsd2.txt");
+            addLicense(*form, "LibCommuni", "https://github.com/communi/libcommuni",
+                       ":/licenses/libcommuni_BSD3.txt");
+            addLicense(*form, "OpenSSL", "https://www.openssl.org/", ":/licenses/openssl.txt");
+            addLicense(*form, "RapidJson", "http://rapidjson.org/", ":/licenses/rapidjson.txt");
+            addLicense(*form, "Pajlada/Settings", "https://github.com/pajlada/settings",
+                       ":/licenses/pajlada_settings.txt");
+            addLicense(*form, "Pajlada/Signals", "https://github.com/pajlada/signals",
+                       ":/licenses/pajlada_signals.txt");
+            addLicense(*form, "Websocketpp", "https://www.zaphoyd.com/websocketpp/",
+                       ":/licenses/websocketpp.txt");
+        }
     }
 
     layout->addStretch(1);
 }
 
+void AboutPage::addLicense(QFormLayout *form, const QString &name, const QString &website,
+                           const QString &licenseLink)
+{
+    auto *a = new QLabel("<a href=\"" + website + "\">" + name + "</a>");
+    a->setOpenExternalLinks(true);
+    auto *b = new SignalLabel();
+    b->setText("<a href=\"" + licenseLink + "\">show license</a>");
+    QObject::connect(b, &SignalLabel::mouseUp, [licenseLink] {
+        auto *edit = new QTextEdit;
+
+        QFile file(licenseLink);
+        file.open(QIODevice::ReadOnly);
+        edit->setText(file.readAll());
+        edit->setReadOnly(true);
+        edit->show();
+    });
+
+    form->addRow(a, b);
+}
+
 }  // namespace settingspages
 }  // namespace widgets
 }  // namespace chatterino

src/widgets/settingspages/aboutpage.hpp

@@ -3,6 +3,7 @@
 #include "widgets/settingspages/settingspage.hpp"
 
 class QLabel;
+class QFormLayout;
 
 namespace chatterino {
 namespace widgets {
@@ -15,6 +16,9 @@ public:
 
 private:
     QLabel *logo;
+
+    void addLicense(QFormLayout *form, const QString &name, const QString &website,
+                    const QString &licenseLink);
 };
 
 }  // namespace settingspages