Starts to implement gopher protocol and gophermap support. Heavily WIP, but you can already surf on gopherspace!

26 files changed, 900 insertions, 350 deletions

diff --git a/src/browsertab.cpp b/src/browsertab.cpp
index 2a24815..2e02433 100644
--- a/src/browsertab.cpp
+++ b/src/browsertab.cpp
@@ -3,6 +3,7 @@
 #include "mainwindow.hpp"
 #include "geminirenderer.hpp"
 #include "settingsdialog.hpp"
+#include "gophermaprenderer.hpp"
 
 #include <QTabWidget>
 #include <QMenu>
@@ -38,6 +39,10 @@ BrowserTab::BrowserTab(MainWindow * mainWindow) :
     connect(&gemini_client, &GeminiClient::authorisedCertificateRequested, this, &BrowserTab::on_authorisedCertificateRequested);
     connect(&gemini_client, &GeminiClient::certificateRejected, this, &BrowserTab::on_certificateRejected);
 
+    connect(&gopher_client, &GopherClient::requestComplete, this, &BrowserTab::on_requestComplete);
+    connect(&gopher_client, &GopherClient::requestFailed, this, &BrowserTab::on_requestFailed);
+
+
     this->updateUI();
 
     this->ui->graphics_browser->setVisible(false);
@@ -72,6 +77,11 @@ void BrowserTab::navigateTo(const QUrl &url, PushToHistory mode)
         return;
     }
 
+    if(not gopher_client.cancelRequest()) {
+        QMessageBox::warning(this, "Kristall", "Failed to cancel running gopher request!");
+        return;
+    }
+
     this->redirection_count = 0;
     this->successfully_loaded = false;
     this->push_to_history_after_load = (mode == PushAfterSuccess);
@@ -84,6 +94,10 @@ void BrowserTab::navigateTo(const QUrl &url, PushToHistory mode)
     {
         web_client.startRequest(url);
     }
+    else if(url.scheme() == "gopher")
+    {
+        gopher_client.startRequest(url);
+    }
     else if(url.scheme() == "about")
     {
         this->redirection_count = 0;
@@ -204,14 +218,17 @@ void BrowserTab::on_requestComplete(const QByteArray &data, const QString &mime)
     this->ui->text_browser->setStyleSheet(QString("QTextBrowser { background-color: %1; }").arg(doc_style.background_color.name()));
 
     if(mime.startsWith("text/gemini")) {
-
-        auto doc= GeminiRenderer::render(
+        document = GeminiRenderer::render(
             data,
             this->current_location,
             doc_style,
             this->outline);
-
-        document  = std::move(doc);
+    }
+    else if(mime.startsWith("text/gophermap")) {
+        document = GophermapRenderer::render(
+            data,
+            this->current_location,
+            doc_style);
     }
     else if(mime.startsWith("text/html")) {
         document = std::make_unique<QTextDocument>();
@@ -442,6 +459,8 @@ void BrowserTab::on_text_browser_highlighted(const QUrl &url)
 void BrowserTab::on_stop_button_clicked()
 {
     gemini_client.cancelRequest();
+    web_client.cancelRequest();
+    gopher_client.cancelRequest();
 }
 
 void BrowserTab::on_back_button_clicked()
diff --git a/src/browsertab.hpp b/src/browsertab.hpp
index 655d14e..feb0455 100644
--- a/src/browsertab.hpp
+++ b/src/browsertab.hpp
@@ -12,6 +12,7 @@
 #include "tabbrowsinghistory.hpp"
 #include "geminirenderer.hpp"
 #include "webclient.hpp"
+#include "gopherclient.hpp"
 
 namespace Ui {
 class BrowserTab;
@@ -103,6 +104,7 @@ public:
 
     GeminiClient gemini_client;
     WebClient web_client;
+    GopherClient gopher_client;
     int redirection_count = 0;
 
     bool push_to_history_after_load = false;
diff --git a/src/documentstyle.cpp b/src/documentstyle.cpp
new file mode 100644
index 0000000..6a8e8bf
--- /dev/null
+++ b/src/documentstyle.cpp
@@ -0,0 +1,290 @@
+#include "documentstyle.hpp"
+
+#include <QDebug>
+#include <QString>
+#include <QStringList>
+
+#include <QCryptographicHash>
+#include <QDebug>
+
+#include <cmath>
+
+static QString encodeCssFont (const QFont& refFont)
+{
+    //-----------------------------------------------------------------------
+    // This function assembles a CSS Font specification string from
+    // a QFont. This supports most of the QFont attributes settable in
+    // the Qt 4.8 and Qt 5.3 QFontDialog.
+    //
+    // (1) Font Family
+    // (2) Font Weight (just bold or not)
+    // (3) Font Style (possibly Italic or Oblique)
+    // (4) Font Size (in either pixels or points)
+    // (5) Decorations (possibly Underline or Strikeout)
+    //
+    // Not supported: Writing System (e.g. Latin).
+    //
+    // See the corresponding decode function, below.
+    // QFont decodeCssFontString (const QString cssFontStr)
+    //-----------------------------------------------------------------------
+
+    QStringList fields; // CSS font attribute fields
+
+    // ***************************************************
+    // *** (1) Font Family: Primary plus Substitutes ***
+    // ***************************************************
+
+    const QString family = refFont.family();
+
+    // NOTE [9-2014, Qt 4.8.6]: This isn't what I thought it was. It
+    // does not return a list of "fallback" font faces (e.g. Georgia,
+    // Serif for "Times New Roman"). In my testing, this is always
+    // returning an empty list.
+    //
+    QStringList famSubs = QFont::substitutes (family);
+
+    if (!famSubs.contains (family))
+        famSubs.prepend (family);
+
+    static const QChar DBL_QUOT ('"');
+    const int famCnt = famSubs.count();
+    QStringList famList;
+    for (int inx = 0; inx < famCnt; ++inx)
+    {
+        // Place double quotes around family names having space characters,
+        // but only if double quotes are not already there.
+        //
+        const QString fam = famSubs [inx];
+        if (fam.contains (' ') && !fam.startsWith (DBL_QUOT))
+            famList << (DBL_QUOT + fam + DBL_QUOT);
+        else
+            famList << fam;
+    }
+
+    const QString famStr = QString ("font-family: ") + famList.join (", ");
+    fields << famStr;
+
+    // **************************************
+    // *** (2) Font Weight: Bold or Not ***
+    // **************************************
+
+    const bool bold = refFont.bold();
+    if (bold)
+        fields << "font-weight: bold";
+
+    // ****************************************************
+    // *** (3) Font Style: possibly Italic or Oblique ***
+    // ****************************************************
+
+    const QFont::Style style = refFont.style();
+    switch (style)
+    {
+    case QFont::StyleNormal: break;
+    case QFont::StyleItalic: fields << "font-style: italic"; break;
+    case QFont::StyleOblique: fields << "font-style: oblique"; break;
+    }
+
+    // ************************************************
+    // *** (4) Font Size: either Pixels or Points ***
+    // ************************************************
+
+    const double sizeInPoints = refFont.pointSizeF(); // <= 0 if not defined.
+    const int sizeInPixels = refFont.pixelSize(); // <= 0 if not defined.
+    if (sizeInPoints > 0.0)
+        fields << QString ("font-size: %1pt") .arg (sizeInPoints);
+    else if (sizeInPixels > 0)
+        fields << QString ("font-size: %1px") .arg (sizeInPixels);
+
+    // ***********************************************
+    // *** (5) Decorations: Underline, Strikeout ***
+    // ***********************************************
+
+    const bool underline = refFont.underline();
+    const bool strikeOut = refFont.strikeOut();
+
+    if (underline && strikeOut)
+        fields << "text-decoration: underline line-through";
+    else if (underline)
+        fields << "text-decoration: underline";
+    else if (strikeOut)
+        fields << "text-decoration: line-through";
+
+    const QString cssFontStr = fields.join ("; ");
+    return cssFontStr;
+}
+
+DocumentStyle::DocumentStyle() : theme(Fixed),
+                             standard_font(),
+                             h1_font(),
+                             h2_font(),
+                             h3_font(),
+                             preformatted_font(),
+                             background_color("#edefff"),
+                             standard_color(0x00, 0x00, 0x00),
+                             preformatted_color(0x00, 0x00, 0x00),
+                             h1_color("#022f90"),
+                             h2_color("#022f90"),
+                             h3_color("#022f90"),
+                             internal_link_color("#0e8fff"),
+                             external_link_color("#0e8fff"),
+                             cross_scheme_link_color("#0960a7"),
+                             internal_link_prefix("→ "),
+                             external_link_prefix("⇒ "),
+                             margin(55.0)
+{
+    preformatted_font.setFamily("monospace");
+    preformatted_font.setPointSizeF(10.0);
+
+    standard_font.setFamily("sans");
+    standard_font.setPointSizeF(10.0);
+
+    h1_font.setFamily("sans");
+    h1_font.setBold(true);
+    h1_font.setPointSizeF(20.0);
+
+    h2_font.setFamily("sans");
+    h2_font.setBold(true);
+    h2_font.setPointSizeF(15.0);
+
+    h3_font.setFamily("sans");
+    h3_font.setBold(true);
+    h3_font.setPointSizeF(12.0);
+}
+
+bool DocumentStyle::save(QSettings &settings) const
+{
+    settings.beginGroup("Theme");
+
+    settings.setValue("standard_font", standard_font.toString());
+    settings.setValue("h1_font", h1_font.toString());
+    settings.setValue("h2_font", h2_font.toString());
+    settings.setValue("h3_font", h3_font.toString());
+    settings.setValue("preformatted_font", preformatted_font.toString());
+
+    settings.setValue("background_color", background_color.name());
+    settings.setValue("standard_color", standard_color.name());
+    settings.setValue("preformatted_color", preformatted_color.name());
+    settings.setValue("h1_color", h1_color.name());
+    settings.setValue("h2_color", h2_color.name());
+    settings.setValue("h3_color", h3_color.name());
+    settings.setValue("internal_link_color", internal_link_color.name());
+    settings.setValue("external_link_color", external_link_color.name());
+    settings.setValue("cross_scheme_link_color", cross_scheme_link_color.name());
+
+    settings.setValue("internal_link_prefix", internal_link_prefix);
+    settings.setValue("external_link_prefix", external_link_prefix);
+
+    settings.setValue("margins", margin);
+    settings.setValue("theme", int(theme));
+
+    settings.endGroup();
+    return true;
+}
+
+bool DocumentStyle::load(QSettings &settings)
+{
+    settings.beginGroup("Theme");
+
+    if(settings.contains("standard_color"))
+    {
+        standard_font.fromString(settings.value("standard_font").toString());
+        h1_font.fromString(settings.value("h1_font").toString());
+        h2_font.fromString(settings.value("h2_font").toString());
+        h3_font.fromString(settings.value("h3_font").toString());
+        preformatted_font.fromString(settings.value("preformatted_font").toString());
+
+        background_color = QColor(settings.value("background_color").toString());
+        standard_color = QColor(settings.value("standard_color").toString());
+        preformatted_color = QColor(settings.value("preformatted_color").toString());
+        h1_color = QColor(settings.value("h1_color").toString());
+        h2_color = QColor(settings.value("h2_color").toString());
+        h3_color = QColor(settings.value("h3_color").toString());
+        internal_link_color = QColor(settings.value("internal_link_color").toString());
+        external_link_color = QColor(settings.value("external_link_color").toString());
+        cross_scheme_link_color = QColor(settings.value("cross_scheme_link_color").toString());
+
+        internal_link_prefix = settings.value("internal_link_prefix").toString();
+        external_link_prefix = settings.value("external_link_prefix").toString();
+
+        margin = settings.value("margins").toDouble();
+        theme = Theme(settings.value("theme").toInt());
+    }
+
+    settings.endGroup();
+    return true;
+}
+
+DocumentStyle DocumentStyle::derive(const QUrl &url) const
+{
+    if (this->theme == Fixed)
+        return *this;
+
+    QByteArray hash = QCryptographicHash::hash(url.host().toUtf8(), QCryptographicHash::Md5);
+
+    std::array<uint8_t, 16> items;
+    assert(items.size() == hash.size());
+    memcpy(items.data(), hash.data(), items.size());
+
+    float hue = (items[0] + items[1]) / 510.0;
+    float saturation = items[2] / 255.0;
+
+    double tmp;
+    DocumentStyle themed = *this;
+    switch (this->theme)
+    {
+    case AutoDarkTheme:
+    {
+        themed.background_color = QColor::fromHslF(hue, saturation, 0.25f);
+        themed.standard_color = QColor{0xFF, 0xFF, 0xFF};
+
+        themed.h1_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.75);
+        themed.h2_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.75);
+        themed.h3_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.75);
+
+        themed.external_link_color = QColor::fromHslF(std::modf(hue + 0.25, &tmp), 1.0, 0.75);
+        themed.internal_link_color = themed.external_link_color.lighter(110);
+        themed.cross_scheme_link_color = themed.external_link_color.darker(110);
+
+        break;
+    }
+
+    case AutoLightTheme:
+    {
+        themed.background_color = QColor::fromHslF(hue, items[2] / 255.0, 0.85);
+        themed.standard_color = QColor{0x00, 0x00, 0x00};
+
+        themed.h1_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.25);
+        themed.h2_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.25);
+        themed.h3_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.25);
+
+        themed.external_link_color = QColor::fromHslF(std::modf(hue + 0.25, &tmp), 1.0, 0.25);
+        themed.internal_link_color = themed.external_link_color.darker(110);
+        themed.cross_scheme_link_color = themed.external_link_color.lighter(110);
+
+        break;
+    }
+
+    case Fixed:
+        assert(false);
+    }
+
+    // Same for all themes
+    themed.preformatted_color = themed.standard_color;
+
+    return themed;
+}
+
+QString DocumentStyle::toStyleSheet() const
+{
+    QString css;
+
+    css += QString("p   { color: %2; %1 }\n").arg(encodeCssFont (standard_font)).arg(standard_color.name());
+    css += QString("a   { color: %2; %1 }\n").arg(encodeCssFont (standard_font)).arg(external_link_color.name());
+    css += QString("pre { color: %2; %1 }\n").arg(encodeCssFont (preformatted_font)).arg(preformatted_color.name());
+    css += QString("h1  { color: %2; %1 }\n").arg(encodeCssFont (h1_font)).arg(h1_color.name());
+    css += QString("h2  { color: %2; %1 }\n").arg(encodeCssFont (h2_font)).arg(h2_color.name());
+    css += QString("h3  { color: %2; %1 }\n").arg(encodeCssFont (h3_font)).arg(h3_color.name());
+
+    qDebug() << "CSS → " << css;
+    return css;
+}
diff --git a/src/documentstyle.hpp b/src/documentstyle.hpp
new file mode 100644
index 0000000..db02a36
--- /dev/null
+++ b/src/documentstyle.hpp
@@ -0,0 +1,55 @@
+#ifndef DOCUMENTSTYLE_HPP
+#define DOCUMENTSTYLE_HPP
+
+#include <QUrl>
+#include <QFont>
+#include <QColor>
+#include <QSettings>
+
+struct DocumentStyle
+{
+    enum Theme {
+        Fixed = 0,
+        AutoDarkTheme = 1,
+        AutoLightTheme = 2
+    };
+
+    DocumentStyle();
+
+    Theme theme;
+
+    QFont standard_font;
+    QFont h1_font;
+    QFont h2_font;
+    QFont h3_font;
+    QFont preformatted_font;
+
+    QColor background_color;
+    QColor standard_color;
+    QColor preformatted_color;
+    QColor h1_color;
+    QColor h2_color;
+    QColor h3_color;
+
+    QColor internal_link_color;
+    QColor external_link_color;
+    QColor cross_scheme_link_color;
+
+    QString internal_link_prefix;
+    QString external_link_prefix;
+
+    double margin;
+
+    bool save(QSettings & settings) const;
+    bool load(QSettings & settings);
+
+    //! Create a new style with auto-generated colors for the given
+    //! url. The colors are based on the host name
+    DocumentStyle derive(QUrl const & url) const;
+
+    //! Converts this style into a CSS document for
+    //! non-gemini rendered files.
+    QString toStyleSheet() const;
+};
+
+#endif // DOCUMENTSTYLE_HPP
diff --git a/src/geminiclient.cpp b/src/geminiclient.cpp
index 44fa864..fd11f6b 100644
--- a/src/geminiclient.cpp
+++ b/src/geminiclient.cpp
@@ -18,6 +18,9 @@ GeminiClient::~GeminiClient()
 
 bool GeminiClient::startRequest(const QUrl &url)
 {
+    if(url.scheme() != "gemini")
+        return false;
+
     if(socket.isOpen())
         return false;
 
diff --git a/src/geminirenderer.cpp b/src/geminirenderer.cpp
index ad6a2fc..da2f9e5 100644
--- a/src/geminirenderer.cpp
+++ b/src/geminirenderer.cpp
@@ -1,117 +1,10 @@
 #include "geminirenderer.hpp"
 
 #include <QTextList>
-#include <QCryptographicHash>
 #include <QTextBlock>
-#include <QDebug>
-#include <cmath>
 #include <QList>
 #include <QStringList>
 
-static QString encodeCssFont (const QFont& refFont)
-{
-    //-----------------------------------------------------------------------
-    // This function assembles a CSS Font specification string from
-    // a QFont. This supports most of the QFont attributes settable in
-    // the Qt 4.8 and Qt 5.3 QFontDialog.
-    //
-    // (1) Font Family
-    // (2) Font Weight (just bold or not)
-    // (3) Font Style (possibly Italic or Oblique)
-    // (4) Font Size (in either pixels or points)
-    // (5) Decorations (possibly Underline or Strikeout)
-    //
-    // Not supported: Writing System (e.g. Latin).
-    //
-    // See the corresponding decode function, below.
-    // QFont decodeCssFontString (const QString cssFontStr)
-    //-----------------------------------------------------------------------
-
-    QStringList fields; // CSS font attribute fields
-
-    // ***************************************************
-    // *** (1) Font Family: Primary plus Substitutes ***
-    // ***************************************************
-
-    const QString family = refFont.family();
-
-    // NOTE [9-2014, Qt 4.8.6]: This isn't what I thought it was. It
-    // does not return a list of "fallback" font faces (e.g. Georgia,
-    // Serif for "Times New Roman"). In my testing, this is always
-    // returning an empty list.
-    //
-    QStringList famSubs = QFont::substitutes (family);
-
-    if (!famSubs.contains (family))
-        famSubs.prepend (family);
-
-    static const QChar DBL_QUOT ('"');
-    const int famCnt = famSubs.count();
-    QStringList famList;
-    for (int inx = 0; inx < famCnt; ++inx)
-    {
-        // Place double quotes around family names having space characters,
-        // but only if double quotes are not already there.
-        //
-        const QString fam = famSubs [inx];
-        if (fam.contains (' ') && !fam.startsWith (DBL_QUOT))
-            famList << (DBL_QUOT + fam + DBL_QUOT);
-        else
-            famList << fam;
-    }
-
-    const QString famStr = QString ("font-family: ") + famList.join (", ");
-    fields << famStr;
-
-    // **************************************
-    // *** (2) Font Weight: Bold or Not ***
-    // **************************************
-
-    const bool bold = refFont.bold();
-    if (bold)
-        fields << "font-weight: bold";
-
-    // ****************************************************
-    // *** (3) Font Style: possibly Italic or Oblique ***
-    // ****************************************************
-
-    const QFont::Style style = refFont.style();
-    switch (style)
-    {
-    case QFont::StyleNormal: break;
-    case QFont::StyleItalic: fields << "font-style: italic"; break;
-    case QFont::StyleOblique: fields << "font-style: oblique"; break;
-    }
-
-    // ************************************************
-    // *** (4) Font Size: either Pixels or Points ***
-    // ************************************************
-
-    const double sizeInPoints = refFont.pointSizeF(); // <= 0 if not defined.
-    const int sizeInPixels = refFont.pixelSize(); // <= 0 if not defined.
-    if (sizeInPoints > 0.0)
-        fields << QString ("font-size: %1pt") .arg (sizeInPoints);
-    else if (sizeInPixels > 0)
-        fields << QString ("font-size: %1px") .arg (sizeInPixels);
-
-    // ***********************************************
-    // *** (5) Decorations: Underline, Strikeout ***
-    // ***********************************************
-
-    const bool underline = refFont.underline();
-    const bool strikeOut = refFont.strikeOut();
-
-    if (underline && strikeOut)
-        fields << "text-decoration: underline line-through";
-    else if (underline)
-        fields << "text-decoration: underline";
-    else if (strikeOut)
-        fields << "text-decoration: line-through";
-
-    const QString cssFontStr = fields.join ("; ");
-    return cssFontStr;
-}
-
 static QByteArray trim_whitespace(QByteArray items)
 {
     int start = 0;
@@ -127,188 +20,15 @@ static QByteArray trim_whitespace(QByteArray items)
     return items.mid(start, end - start + 1);
 }
 
-GeminiStyle::GeminiStyle() : theme(Fixed),
-                             standard_font(),
-                             h1_font(),
-                             h2_font(),
-                             h3_font(),
-                             preformatted_font(),
-                             background_color("#edefff"),
-                             standard_color(0x00, 0x00, 0x00),
-                             preformatted_color(0x00, 0x00, 0x00),
-                             h1_color("#022f90"),
-                             h2_color("#022f90"),
-                             h3_color("#022f90"),
-                             internal_link_color("#0e8fff"),
-                             external_link_color("#0e8fff"),
-                             cross_scheme_link_color("#0960a7"),
-                             internal_link_prefix("→ "),
-                             external_link_prefix("⇒ "),
-                             margin(55.0)
-{
-    preformatted_font.setFamily("monospace");
-    preformatted_font.setPointSizeF(10.0);
-
-    standard_font.setFamily("sans");
-    standard_font.setPointSizeF(10.0);
-
-    h1_font.setFamily("sans");
-    h1_font.setBold(true);
-    h1_font.setPointSizeF(20.0);
-
-    h2_font.setFamily("sans");
-    h2_font.setBold(true);
-    h2_font.setPointSizeF(15.0);
-
-    h3_font.setFamily("sans");
-    h3_font.setBold(true);
-    h3_font.setPointSizeF(12.0);
-}
-
-bool GeminiStyle::save(QSettings &settings) const
-{
-    settings.beginGroup("Theme");
-
-    settings.setValue("standard_font", standard_font.toString());
-    settings.setValue("h1_font", h1_font.toString());
-    settings.setValue("h2_font", h2_font.toString());
-    settings.setValue("h3_font", h3_font.toString());
-    settings.setValue("preformatted_font", preformatted_font.toString());
-
-    settings.setValue("background_color", background_color.name());
-    settings.setValue("standard_color", standard_color.name());
-    settings.setValue("preformatted_color", preformatted_color.name());
-    settings.setValue("h1_color", h1_color.name());
-    settings.setValue("h2_color", h2_color.name());
-    settings.setValue("h3_color", h3_color.name());
-    settings.setValue("internal_link_color", internal_link_color.name());
-    settings.setValue("external_link_color", external_link_color.name());
-    settings.setValue("cross_scheme_link_color", cross_scheme_link_color.name());
-
-    settings.setValue("internal_link_prefix", internal_link_prefix);
-    settings.setValue("external_link_prefix", external_link_prefix);
-
-    settings.setValue("margins", margin);
-    settings.setValue("theme", int(theme));
-
-    settings.endGroup();
-    return true;
-}
-
-bool GeminiStyle::load(QSettings &settings)
-{
-    settings.beginGroup("Theme");
-
-    if(settings.contains("standard_color"))
-    {
-        standard_font.fromString(settings.value("standard_font").toString());
-        h1_font.fromString(settings.value("h1_font").toString());
-        h2_font.fromString(settings.value("h2_font").toString());
-        h3_font.fromString(settings.value("h3_font").toString());
-        preformatted_font.fromString(settings.value("preformatted_font").toString());
-
-        background_color = QColor(settings.value("background_color").toString());
-        standard_color = QColor(settings.value("standard_color").toString());
-        preformatted_color = QColor(settings.value("preformatted_color").toString());
-        h1_color = QColor(settings.value("h1_color").toString());
-        h2_color = QColor(settings.value("h2_color").toString());
-        h3_color = QColor(settings.value("h3_color").toString());
-        internal_link_color = QColor(settings.value("internal_link_color").toString());
-        external_link_color = QColor(settings.value("external_link_color").toString());
-        cross_scheme_link_color = QColor(settings.value("cross_scheme_link_color").toString());
-
-        internal_link_prefix = settings.value("internal_link_prefix").toString();
-        external_link_prefix = settings.value("external_link_prefix").toString();
-
-        margin = settings.value("margins").toDouble();
-        theme = Theme(settings.value("theme").toInt());
-    }
-
-    settings.endGroup();
-    return true;
-}
-
-GeminiStyle GeminiStyle::derive(const QUrl &url) const
-{
-    if (this->theme == Fixed)
-        return *this;
-
-    QByteArray hash = QCryptographicHash::hash(url.host().toUtf8(), QCryptographicHash::Md5);
-
-    std::array<uint8_t, 16> items;
-    assert(items.size() == hash.size());
-    memcpy(items.data(), hash.data(), items.size());
-
-    float hue = (items[0] + items[1]) / 510.0;
-    float saturation = items[2] / 255.0;
-
-    double tmp;
-    GeminiStyle themed = *this;
-    switch (this->theme)
-    {
-    case AutoDarkTheme:
-    {
-        themed.background_color = QColor::fromHslF(hue, saturation, 0.25f);
-        themed.standard_color = QColor{0xFF, 0xFF, 0xFF};
-
-        themed.h1_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.75);
-        themed.h2_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.75);
-        themed.h3_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.75);
-
-        themed.external_link_color = QColor::fromHslF(std::modf(hue + 0.25, &tmp), 1.0, 0.75);
-        themed.internal_link_color = themed.external_link_color.lighter(110);
-        themed.cross_scheme_link_color = themed.external_link_color.darker(110);
-
-        break;
-    }
-
-    case AutoLightTheme:
-    {
-        themed.background_color = QColor::fromHslF(hue, items[2] / 255.0, 0.85);
-        themed.standard_color = QColor{0x00, 0x00, 0x00};
-
-        themed.h1_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.25);
-        themed.h2_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.25);
-        themed.h3_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.25);
-
-        themed.external_link_color = QColor::fromHslF(std::modf(hue + 0.25, &tmp), 1.0, 0.25);
-        themed.internal_link_color = themed.external_link_color.darker(110);
-        themed.cross_scheme_link_color = themed.external_link_color.lighter(110);
-
-        break;
-    }
-
-    case Fixed:
-        assert(false);
-    }
-
-    // Same for all themes
-    themed.preformatted_color = themed.standard_color;
-
-    return themed;
-}
-
-QString GeminiStyle::toStyleSheet() const
-{
-    QString css;
-
-    css += QString("p   { color: %2; %1 }\n").arg(encodeCssFont (standard_font)).arg(standard_color.name());
-    css += QString("a   { color: %2; %1 }\n").arg(encodeCssFont (standard_font)).arg(external_link_color.name());
-    css += QString("pre { color: %2; %1 }\n").arg(encodeCssFont (preformatted_font)).arg(preformatted_color.name());
-    css += QString("h1  { color: %2; %1 }\n").arg(encodeCssFont (h1_font)).arg(h1_color.name());
-    css += QString("h2  { color: %2; %1 }\n").arg(encodeCssFont (h2_font)).arg(h2_color.name());
-    css += QString("h3  { color: %2; %1 }\n").arg(encodeCssFont (h3_font)).arg(h3_color.name());
-
-    qDebug() << "CSS → " << css;
-    return css;
-}
-
 std::unique_ptr<GeminiDocument> GeminiRenderer::render(
         const QByteArray &input,
         QUrl const &root_url,
-        GeminiStyle const & themed_style,
+        DocumentStyle const & themed_style,
         DocumentOutlineModel &outline)
 {
+    QTextOption no_wrap;
+    no_wrap.setWrapMode(QTextOption::NoWrap);
+
     QTextCharFormat preformatted;
     preformatted.setFont(themed_style.preformatted_font);
     preformatted.setForeground(themed_style.preformatted_color);
@@ -345,6 +65,9 @@ std::unique_ptr<GeminiDocument> GeminiRenderer::render(
     result->setDocumentMargin(themed_style.margin);
     result->background_color = themed_style.background_color;
 
+
+    result->setDefaultTextOption(no_wrap);
+
     QTextCursor cursor{result.get()};
 
     QTextBlockFormat non_list_format = cursor.blockFormat();
@@ -371,6 +94,7 @@ std::unique_ptr<GeminiDocument> GeminiRenderer::render(
             }
             else
             {
+                cursor.block().layout()->setTextOption(no_wrap);
                 cursor.setCharFormat(preformatted);
                 cursor.insertText(line + "\n");
             }
diff --git a/src/geminirenderer.hpp b/src/geminirenderer.hpp
index c93fd4e..07deec6 100644
--- a/src/geminirenderer.hpp
+++ b/src/geminirenderer.hpp
@@ -7,51 +7,7 @@
 
 #include "documentoutlinemodel.hpp"
 
-struct GeminiStyle
-{
-    enum Theme {
-        Fixed = 0,
-        AutoDarkTheme = 1,
-        AutoLightTheme = 2
-    };
-
-    GeminiStyle();
-
-    Theme theme;
-
-    QFont standard_font;
-    QFont h1_font;
-    QFont h2_font;
-    QFont h3_font;
-    QFont preformatted_font;
-
-    QColor background_color;
-    QColor standard_color;
-    QColor preformatted_color;
-    QColor h1_color;
-    QColor h2_color;
-    QColor h3_color;
-
-    QColor internal_link_color;
-    QColor external_link_color;
-    QColor cross_scheme_link_color;
-
-    QString internal_link_prefix;
-    QString external_link_prefix;
-
-    double margin;
-
-    bool save(QSettings & settings) const;
-    bool load(QSettings & settings);
-
-    //! Create a new style with auto-generated colors for the given
-    //! url. The colors are based on the host name
-    GeminiStyle derive(QUrl const & url) const;
-
-    //! Converts this style into a CSS document for
-    //! non-gemini rendered files.
-    QString toStyleSheet() const;
-};
+#include "documentstyle.hpp"
 
 class GeminiDocument :
         public QTextDocument
@@ -76,7 +32,7 @@ struct GeminiRenderer
     static std::unique_ptr<GeminiDocument> render(
         QByteArray const & input,
         QUrl const & root_url,
-        GeminiStyle const & style,
+        DocumentStyle const & style,
         DocumentOutlineModel & outline
     );
 };
diff --git a/src/gopherclient.cpp b/src/gopherclient.cpp
new file mode 100644
index 0000000..056ecd8
--- /dev/null
+++ b/src/gopherclient.cpp
@@ -0,0 +1,80 @@
+#include "gopherclient.hpp"
+#include "ioutil.hpp"
+
+GopherClient::GopherClient(QObject *parent) : QObject(parent)
+{
+    connect(&socket, &QTcpSocket::connected, this, &GopherClient::on_connected);
+    connect(&socket, &QTcpSocket::readyRead, this, &GopherClient::on_readRead);
+    connect(&socket, &QTcpSocket::disconnected, this, &GopherClient::on_finished);
+}
+
+GopherClient::~GopherClient()
+{
+
+}
+
+bool GopherClient::startRequest(const QUrl &url)
+{
+    if(isInProgress())
+        return false;
+
+    if(url.scheme() != "gopher")
+        return false;
+
+    // Second char on the URL path denotes the Gopher type
+    // See https://tools.ietf.org/html/rfc4266
+    QString type = url.path().mid(1, 1);
+
+    mime = "application/octet-stream";
+    if(type == "") mime = "text/gophermap";
+    else if(type == "0") mime = "text/plain";
+    else if(type == "1") mime = "text/gophermap";
+    else if(type == "g") mime = "image/gif";
+    else if(type == "I") mime = "image/unknown";
+    else if(type == "h") mime = "text/html";
+    else if(type == "s") mime = "audio/unknown";
+
+    qDebug() << url << "→" << mime;
+
+    this->requested_url = url;
+    this->was_cancelled = false;
+    socket.connectToHost(url.host(), url.port(70));
+
+    return true;
+}
+
+bool GopherClient::isInProgress() const
+{
+    return socket.isOpen();
+}
+
+bool GopherClient::cancelRequest()
+{
+    was_cancelled = true;
+    socket.close();
+    body.clear();
+    return true;
+}
+
+void GopherClient::on_connected()
+{
+    auto blob = (requested_url.path().mid(2) + "\r\n").toUtf8();
+
+    IoUtil::writeAll(socket, blob);
+}
+
+void GopherClient::on_readRead()
+{
+    body.append(socket.readAll());
+}
+
+void GopherClient::on_finished()
+{
+    if(not was_cancelled)
+    {
+        emit this->requestComplete(this->body, mime);
+
+        was_cancelled = true;
+    }
+    body.clear();
+}
diff --git a/src/gopherclient.hpp b/src/gopherclient.hpp
new file mode 100644
index 0000000..2bf98fc
--- /dev/null
+++ b/src/gopherclient.hpp
@@ -0,0 +1,40 @@
+#ifndef GOPHERCLIENT_HPP
+#define GOPHERCLIENT_HPP
+
+#include <QObject>
+#include <QTcpSocket>
+#include <QUrl>
+
+class GopherClient : public QObject
+{
+    Q_OBJECT
+public:
+    explicit GopherClient(QObject *parent = nullptr);
+
+    ~GopherClient() override;
+
+    bool startRequest(QUrl const & url);
+
+    bool isInProgress() const;
+
+    bool cancelRequest();
+
+signals:
+    void requestComplete(QByteArray const & data, QString const & mime);
+
+    void requestFailed(QString const & message);
+
+private slots:
+    void on_connected();
+    void on_readRead();
+    void on_finished();
+
+private:
+    QTcpSocket socket;
+    QByteArray body;
+    QUrl requested_url;
+    bool was_cancelled;
+    QString mime;
+};
+
+#endif // GOPHERCLIENT_HPP
diff --git a/src/gophermaprenderer.cpp b/src/gophermaprenderer.cpp
new file mode 100644
index 0000000..bcdf11f
--- /dev/null
+++ b/src/gophermaprenderer.cpp
@@ -0,0 +1,164 @@
+#include "gophermaprenderer.hpp"
+
+#include <QTextList>
+#include <QTextBlock>
+#include <QList>
+#include <QStringList>
+#include <QTextImageFormat>
+
+#include <QDebug>
+
+//Canonical Types
+//0   Text File
+//1   Gopher submenu or link to another gopher server
+//2   CCSO Nameserver
+//3   Error code returned by a Gopher server to indicate failure
+//4   BinHex-encoded file (primarily for Macintosh computers)
+//5   DOS file
+//6   uuencoded file
+//7   Gopher full-text search
+//8   Telnet
+//9   Binary file
+//+   Mirror or alternate server (for load balancing or in case of primary server downtime)
+//g   GIF file
+//I   Image file
+//T   Telnet 3270
+//Non-Canonical Types
+//h   HTML file
+//i   Informational message
+//s   Sound file
+
+std::unique_ptr<QTextDocument> GophermapRenderer::render(const QByteArray &input, const QUrl &root_url, const DocumentStyle &themed_style)
+{
+    QTextCharFormat standard;
+    standard.setFont(themed_style.standard_font);
+    standard.setForeground(themed_style.standard_color);
+
+    QTextCharFormat standard_link;
+    standard_link.setFont(themed_style.standard_font);
+    standard_link.setForeground(QBrush(themed_style.internal_link_color));
+
+    QTextCharFormat external_link;
+    external_link.setFont(themed_style.standard_font);
+    external_link.setForeground(QBrush(themed_style.external_link_color));
+
+    std::unique_ptr<QTextDocument> result = std::make_unique<QTextDocument>();
+    result->setDocumentMargin(themed_style.margin);
+
+    QTextCursor cursor{result.get()};
+
+    QTextBlockFormat non_list_format = cursor.blockFormat();
+
+    QList<QByteArray> lines = input.split('\n');
+    for (auto const & line : lines)
+    {
+        if (line.length() < 2) // skip lines without
+            continue;
+
+        if(line[line.size() - 1] != '\r')
+            continue;
+
+        auto items = line.mid(1, line.length() - 2).split('\t');
+        if(items.size() < 2) // invalid
+            continue;
+
+        QString icon;
+        switch (line.at(0))
+        {
+        case '0': // Text File
+            icon = "text";
+            break;
+        case '1': // Gopher submenu or link to another gopher server
+            icon = "directory";
+            break;
+        case '2': // CCSO Nameserver
+            icon = "ns";
+            break;
+        case '3': // Error code returned by a Gopher server to indicate failure
+            icon = "error";
+            break;
+        case '4': // BinHex-encoded file (primarily for Macintosh computers)
+            icon = "binhex";
+            break;
+        case '5': // DOS file
+            icon = "dos";
+            break;
+        case '6': // uuencoded file
+            icon = "uuencoded";
+            break;
+        case '7': // Gopher full-text search
+            icon = "full-text";
+            break;
+        case '8': // Telnet
+            icon = "telnet";
+            break;
+        case '9': // Binary file
+            icon = "binary";
+            break;
+        case '+': // Mirror or alternate server (for load balancing or in case of primary server downtime)
+            icon = "mirror";
+            break;
+        case 'g': // GIF file
+            icon = "gif";
+            break;
+        case 'I': // Image file
+            icon = "image";
+            break;
+        case 'T': // Telnet 3270
+            icon = "telnet";
+            break;
+        //Non-Canonical Types
+        case 'h': // HTML file
+            icon = "html";
+            break;
+        case 'i': // Informational message
+            icon = "informational";
+            break;
+        case 's': // Sound file
+            icon = "sound";
+            break;
+        default:  // unknown
+            continue;
+        }
+
+        QString title = items.at(0);
+
+        // 1Phlog	/phlog	octotherp.org	70	+
+
+        if(line.at(0) == 'i')
+        {
+            cursor.insertText(title + "\n", standard);
+        }
+        else
+        {
+            QString dst_url;
+            switch(items.size())
+            {
+            case 0: assert(false);
+            case 1: assert(false);
+            case 2:
+                dst_url = root_url.resolved(QUrl(items.at(1))).toString();
+                break;
+            case 3:
+                dst_url = "gopher://" + items.at(2) + "/" + line.mid(0,1) + items.at(1);
+                break;
+            default:
+                dst_url = "gopher://" + items.at(2) + ":" + items.at(3) + "/" + line.mid(0,1) + items.at(1);
+                break;
+            }
+
+            if(not QUrl(dst_url).isValid()) {
+                // invlaid URL generated
+                qDebug() << line << dst_url;
+            }
+
+
+            QTextCharFormat fmt = standard_link;
+            fmt.setAnchor(true);
+            fmt.setAnchorHref(dst_url);
+            cursor.insertText(title + "\n", fmt);
+        }
+    }
+
+    return result;
+}
diff --git a/src/gophermaprenderer.hpp b/src/gophermaprenderer.hpp
new file mode 100644
index 0000000..1141c34
--- /dev/null
+++ b/src/gophermaprenderer.hpp
@@ -0,0 +1,25 @@
+#ifndef GOPHERMAPRENDERER_HPP
+#define GOPHERMAPRENDERER_HPP
+
+#include "documentstyle.hpp"
+
+#include <QTextDocument>
+
+struct GophermapRenderer
+{
+    GophermapRenderer() = delete;
+
+
+    //! Renders the given byte sequence into a GeminiDocument.
+    //! @param input    The utf8 encoded input string
+    //! @param root_url The url that is used to resolve relative links
+    //! @param style    The style which is used to render the document
+    //! @param outline  The extracted outline from the document
+    static std::unique_ptr<QTextDocument> render(
+        QByteArray const & input,
+        QUrl const & root_url,
+        DocumentStyle const & style
+    );
+};
+
+#endif // GOPHERMAPRENDERER_HPP
diff --git a/src/icons.qrc b/src/icons.qrc
index a0daae0..0e7b163 100644
--- a/src/icons.qrc
+++ b/src/icons.qrc
@@ -11,5 +11,11 @@
         <file>icons/palette.svg</file>
         <file>icons/kristall.svg</file>
         <file>icons/settings.svg</file>
+        <file>icons/content-save-move.svg</file>
+        <file>icons/content-save.svg</file>
+        <file>icons/home.svg</file>
+        <file>icons/plus.svg</file>
+        <file>icons/content-save-import.svg</file>
+        <file>icons/folder-open.svg</file>
     </qresource>
 </RCC>
diff --git a/src/icons/content-save-import.svg b/src/icons/content-save-import.svg
new file mode 100644
index 0000000..e980bed
--- /dev/null
+++ b/src/icons/content-save-import.svg
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   viewBox="0 0 24 24"
+   height="24"
+   width="24"
+   version="1.1">
+  <path d="M 5 3 C 3.8954305 3 3 3.8954305 3 5 L 3 19 C 3 20.104569 3.8954305 21 5 21 L 11.810547 21 C 11.420547 20.34 11.170312 19.599844 11.070312 18.839844 C 9.5003125 18.309844 8.6592187 16.599297 9.1992188 15.029297 C 9.6092188 13.829297 10.73 13 12 13 C 12.44 13 12.879297 13.099063 13.279297 13.289062 C 15.569297 11.499063 18.83 11.589063 21 13.539062 L 21 7 L 17 3 L 5 3 z M 5 5 L 15 5 L 15 9 L 5 9 L 5 5 z M 18 14 L 13 18.5 L 18 23 L 18 20 L 22 20 L 22 17 L 18 17 L 18 14 z "/>
+</svg>
diff --git a/src/icons/content-save-move.svg b/src/icons/content-save-move.svg
new file mode 100644
index 0000000..86e5d0a
--- /dev/null
+++ b/src/icons/content-save-move.svg
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="24" height="24" viewBox="0 0 24 24"><path d="M17,3H5A2,2 0 0,0 3,5V19A2,2 0 0,0 5,21H11.81C11.42,20.34 11.17,19.6 11.07,18.84C9.5,18.31 8.66,16.6 9.2,15.03C9.61,13.83 10.73,13 12,13C12.44,13 12.88,13.1 13.28,13.29C15.57,11.5 18.83,11.59 21,13.54V7L17,3M15,9H5V5H15V9M13,17H17V14L22,18.5L17,23V20H13V17" /></svg>
\ No newline at end of file
diff --git a/src/icons/content-save.svg b/src/icons/content-save.svg
new file mode 100644
index 0000000..bbd8d59
--- /dev/null
+++ b/src/icons/content-save.svg
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="24" height="24" viewBox="0 0 24 24"><path d="M15,9H5V5H15M12,19A3,3 0 0,1 9,16A3,3 0 0,1 12,13A3,3 0 0,1 15,16A3,3 0 0,1 12,19M17,3H5C3.89,3 3,3.9 3,5V19A2,2 0 0,0 5,21H19A2,2 0 0,0 21,19V7L17,3Z" /></svg>
\ No newline at end of file
diff --git a/src/icons/folder-open.svg b/src/icons/folder-open.svg
new file mode 100644
index 0000000..09ce7cc
--- /dev/null
+++ b/src/icons/folder-open.svg
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="24" height="24" viewBox="0 0 24 24"><path d="M19,20H4C2.89,20 2,19.1 2,18V6C2,4.89 2.89,4 4,4H10L12,6H19A2,2 0 0,1 21,8H21L4,8V18L6.14,10H23.21L20.93,18.5C20.7,19.37 19.92,20 19,20Z" /></svg>
\ No newline at end of file
diff --git a/src/icons/home.svg b/src/icons/home.svg
new file mode 100644
index 0000000..132e426
--- /dev/null
+++ b/src/icons/home.svg
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="24" height="24" viewBox="0 0 24 24"><path d="M10,20V14H14V20H19V12H22L12,3L2,12H5V20H10Z" /></svg>
\ No newline at end of file
diff --git a/src/icons/plus.svg b/src/icons/plus.svg
new file mode 100644
index 0000000..2c21839
--- /dev/null
+++ b/src/icons/plus.svg
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="24" height="24" viewBox="0 0 24 24"><path d="M19,13H13V19H11V13H5V11H11V5H13V11H19V13Z" /></svg>
\ No newline at end of file
diff --git a/src/ioutil.cpp b/src/ioutil.cpp
new file mode 100644
index 0000000..047a901
--- /dev/null
+++ b/src/ioutil.cpp
@@ -0,0 +1,16 @@
+#include "ioutil.hpp"
+
+bool IoUtil::writeAll(QIODevice &dst, QByteArray const & src)
+{
+    qint64 offset = 0;
+
+    while(offset < src.size())
+    {
+        qint64 len = dst.write(src.data() + offset, src.size() - offset);
+        if(len == 0)
+            return false;
+        offset += len;
+    }
+
+    return true;
+}
diff --git a/src/ioutil.hpp b/src/ioutil.hpp
new file mode 100644
index 0000000..487c66e
--- /dev/null
+++ b/src/ioutil.hpp
@@ -0,0 +1,11 @@
+#ifndef IOUTIL_HPP
+#define IOUTIL_HPP
+
+#include <QIODevice>
+
+struct IoUtil
+{
+    static bool writeAll(QIODevice & dst, QByteArray const & src);
+};
+
+#endif // IOUTIL_HPP
diff --git a/src/kristall.pro b/src/kristall.pro
index 1cac9ac..e6874ed 100644
--- a/src/kristall.pro
+++ b/src/kristall.pro
@@ -21,9 +21,13 @@ QMAKE_CXXFLAGS += -Wno-unused-parameter
 SOURCES += \
     browsertab.cpp \
     documentoutlinemodel.cpp \
+    documentstyle.cpp \
     favouritecollection.cpp \
     geminiclient.cpp \
     geminirenderer.cpp \
+    gopherclient.cpp \
+    gophermaprenderer.cpp \
+    ioutil.cpp \
     main.cpp \
     mainwindow.cpp \
     protocolsetup.cpp \
@@ -34,9 +38,13 @@ SOURCES += \
 HEADERS += \
     browsertab.hpp \
     documentoutlinemodel.hpp \
+    documentstyle.hpp \
     favouritecollection.hpp \
     geminiclient.hpp \
     geminirenderer.hpp \
+    gopherclient.hpp \
+    gophermaprenderer.hpp \
+    ioutil.hpp \
     mainwindow.hpp \
     protocolsetup.hpp \
     settingsdialog.hpp \
diff --git a/src/mainwindow.hpp b/src/mainwindow.hpp
index 7984549..fb1d282 100644
--- a/src/mainwindow.hpp
+++ b/src/mainwindow.hpp
@@ -73,7 +73,7 @@ private:
 public:
     QApplication * application;
     QSettings settings;
-    GeminiStyle current_style;
+    DocumentStyle current_style;
     ProtocolSetup protocols;
 
 private:
diff --git a/src/settingsdialog.cpp b/src/settingsdialog.cpp
index 859f5dd..df14fd5 100644
--- a/src/settingsdialog.cpp
+++ b/src/settingsdialog.cpp
@@ -3,6 +3,8 @@
 #include <QFontDialog>
 #include <QColorDialog>
 #include <QStyle>
+#include <QSettings>
+#include <QInputDialog>
 
 SettingsDialog::SettingsDialog(QWidget *parent) :
     QDialog(parent),
@@ -11,20 +13,35 @@ SettingsDialog::SettingsDialog(QWidget *parent) :
 {
     ui->setupUi(this);
 
-    static_assert(GeminiStyle::Fixed == 0);
-    static_assert(GeminiStyle::AutoDarkTheme == 1);
-    static_assert(GeminiStyle::AutoLightTheme == 2);
+    static_assert(DocumentStyle::Fixed == 0);
+    static_assert(DocumentStyle::AutoDarkTheme == 1);
+    static_assert(DocumentStyle::AutoLightTheme == 2);
 
     this->ui->auto_theme->clear();
-    this->ui->auto_theme->addItem("Disabled", QVariant::fromValue<int>(GeminiStyle::Fixed));
-    this->ui->auto_theme->addItem("Dark Theme", QVariant::fromValue<int>(GeminiStyle::AutoDarkTheme));
-    this->ui->auto_theme->addItem("Light Theme", QVariant::fromValue<int>(GeminiStyle::AutoLightTheme));
+    this->ui->auto_theme->addItem("Disabled", QVariant::fromValue<int>(DocumentStyle::Fixed));
+    this->ui->auto_theme->addItem("Dark Theme", QVariant::fromValue<int>(DocumentStyle::AutoDarkTheme));
+    this->ui->auto_theme->addItem("Light Theme", QVariant::fromValue<int>(DocumentStyle::AutoLightTheme));
 
     this->ui->ui_theme->clear();
     this->ui->ui_theme->addItem("Light", QVariant::fromValue<QString>("light"));
     this->ui->ui_theme->addItem("Dark", QVariant::fromValue<QString>("dark"));
 
-    setGeminiStyle(GeminiStyle { });
+    setGeminiStyle(DocumentStyle { });
+
+//    QSettings settings;
+//    settings.beginGroup("Themes");
+//    int items = settings.beginReadArray("Themes");
+
+//    this->ui->presets->clear();
+//    for(int i = 0; i < items; i++)
+//    {
+//        settings.setArrayIndex(i);
+//        this->ui->presets->addItem(settings.value("name").toString(), QVariant::fromValue(i));
+//    }
+
+//    settings.endArray();
+
+    this->on_presets_currentIndexChanged(-1);
 }
 
 SettingsDialog::~SettingsDialog()
@@ -50,7 +67,7 @@ static QString formatFont(QFont const & font)
         .arg(style);
 }
 
-void SettingsDialog::setGeminiStyle(const GeminiStyle &style)
+void SettingsDialog::setGeminiStyle(DocumentStyle const &style)
 {
     static const QString COLOR_STYLE("border: 1px solid black; padding: 4px; background-color : %1; color : %2;");
 
@@ -289,7 +306,7 @@ void SettingsDialog::on_link_foreign_prefix_textChanged(const QString &text)
 void SettingsDialog::on_auto_theme_currentIndexChanged(int index)
 {
     if(index >= 0) {
-        current_style.theme = GeminiStyle::Theme(index);
+        current_style.theme = DocumentStyle::Theme(index);
         reloadStylePreview();
     }
 }
@@ -304,3 +321,28 @@ void SettingsDialog::on_page_margin_valueChanged(double value)
     this->current_style.margin = value;
     this->reloadStylePreview();
 }
+
+void SettingsDialog::on_presets_currentIndexChanged(int index)
+{
+    this->ui->preset_load->setEnabled(index >= 0);
+    this->ui->preset_save->setEnabled(index >= 0);
+    this->ui->preset_export->setEnabled(index >= 0);
+}
+
+void SettingsDialog::on_preset_new_clicked()
+{
+    QInputDialog dlg { this };
+    dlg.setInputMode(QInputDialog::TextInput);
+    dlg.setOkButtonText("Save");
+    dlg.setCancelButtonText("Cancel");
+    dlg.setLabelText("Enter the name of your new preset:");
+
+    if(dlg.exec() != QInputDialog::Accepted)
+        return;
+
+    QString name = dlg.textValue();
+
+
+
+
+}
diff --git a/src/settingsdialog.hpp b/src/settingsdialog.hpp
index eb9d68a..26c0c89 100644
--- a/src/settingsdialog.hpp
+++ b/src/settingsdialog.hpp
@@ -5,6 +5,7 @@
 
 #include "geminirenderer.hpp"
 #include "protocolsetup.hpp"
+#include "documentstyle.hpp"
 
 namespace Ui {
 class SettingsDialog;
@@ -18,9 +19,9 @@ public:
     explicit SettingsDialog(QWidget *parent = nullptr);
     ~SettingsDialog();
 
-    void setGeminiStyle(GeminiStyle const & style);
+    void setGeminiStyle(DocumentStyle const & style);
 
-    GeminiStyle geminiStyle() const {
+    DocumentStyle geminiStyle() const {
         return current_style;
     }
 
@@ -72,6 +73,10 @@ private slots:
 
     void on_page_margin_valueChanged(double arg1);
 
+    void on_presets_currentIndexChanged(int index);
+
+    void on_preset_new_clicked();
+
 private:
     void reloadStylePreview();
 
@@ -82,7 +87,7 @@ private:
 private:
     Ui::SettingsDialog *ui;
 
-    GeminiStyle current_style;
+    DocumentStyle current_style;
     std::unique_ptr<QTextDocument> preview_document;
 };
 
diff --git a/src/settingsdialog.ui b/src/settingsdialog.ui
index 58c20e5..16d6cef 100644
--- a/src/settingsdialog.ui
+++ b/src/settingsdialog.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>800</width>
-    <height>520</height>
+    <width>850</width>
+    <height>540</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -57,7 +57,7 @@
          <item>
           <widget class="QCheckBox" name="enable_gopher">
            <property name="enabled">
-            <bool>false</bool>
+            <bool>true</bool>
            </property>
            <property name="text">
             <string>Gopher</string>
@@ -532,6 +532,93 @@
            </property>
           </widget>
          </item>
+         <item row="13" column="1">
+          <layout class="QHBoxLayout" name="horizontalLayout_2">
+           <item>
+            <widget class="QComboBox" name="presets"/>
+           </item>
+           <item>
+            <widget class="QToolButton" name="preset_new">
+             <property name="toolTip">
+              <string>Save as new preset</string>
+             </property>
+             <property name="text">
+              <string>...</string>
+             </property>
+             <property name="icon">
+              <iconset resource="icons.qrc">
+               <normaloff>:/icons/plus.svg</normaloff>:/icons/plus.svg</iconset>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QToolButton" name="preset_save">
+             <property name="toolTip">
+              <string>Override current preset</string>
+             </property>
+             <property name="text">
+              <string>...</string>
+             </property>
+             <property name="icon">
+              <iconset resource="icons.qrc">
+               <normaloff>:/icons/content-save.svg</normaloff>:/icons/content-save.svg</iconset>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QToolButton" name="preset_load">
+             <property name="toolTip">
+              <string>Load preset</string>
+             </property>
+             <property name="text">
+              <string>...</string>
+             </property>
+             <property name="icon">
+              <iconset resource="icons.qrc">
+               <normaloff>:/icons/folder-open.svg</normaloff>:/icons/folder-open.svg</iconset>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QToolButton" name="preset_import">
+             <property name="toolTip">
+              <string>Imports preset…</string>
+             </property>
+             <property name="toolTipDuration">
+              <number>-1</number>
+             </property>
+             <property name="text">
+              <string>...</string>
+             </property>
+             <property name="icon">
+              <iconset resource="icons.qrc">
+               <normaloff>:/icons/content-save-import.svg</normaloff>:/icons/content-save-import.svg</iconset>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QToolButton" name="preset_export">
+             <property name="toolTip">
+              <string>Export preset…</string>
+             </property>
+             <property name="text">
+              <string>...</string>
+             </property>
+             <property name="icon">
+              <iconset resource="icons.qrc">
+               <normaloff>:/icons/content-save-move.svg</normaloff>:/icons/content-save-move.svg</iconset>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+         <item row="13" column="0">
+          <widget class="QLabel" name="label_17">
+           <property name="text">
+            <string>Presets</string>
+           </property>
+          </widget>
+         </item>
         </layout>
        </item>
        <item>
diff --git a/src/webclient.cpp b/src/webclient.cpp
index 6e9b5ab..f3d8daa 100644
--- a/src/webclient.cpp
+++ b/src/webclient.cpp
@@ -17,6 +17,9 @@ WebClient::~WebClient()
 
 bool WebClient::startRequest(const QUrl &url)
 {
+    if(url.scheme() != "http" and url.scheme() != "https")
+        return false;
+
     if(this->current_reply != nullptr)
         return true;