Adds primitive support for emoji fonts.

src/about/updates.gemini

@@ -1,5 +1,10 @@
 # Kristall Changelog
 
+## 0.4 - Improved user experience
+* Basic Emoji rendering support using OpenMoji
+* 
+* 
+
 ## 0.3 - TLS and security
 * Adds support for transient client certificates
 * Adds support for permanent client certificates

src/documentstyle.cpp

@@ -265,7 +265,7 @@ bool DocumentStyle::load(QSettings &settings)
             margin = settings.value("margins").toDouble();
             theme = Theme(settings.value("theme").toInt());
         }
-        return true;
+        break;
     }
     case 1: {
         theme = Theme(settings.value("theme", int(theme)).toInt());
@@ -318,10 +318,32 @@ bool DocumentStyle::load(QSettings &settings)
             settings.endGroup();
         }
 
-        return true;
     }
+    default:
+        return false;
     }
-    return false;
+
+
+
+    // Patch font lists to allow improved emoji display:
+
+    QStringList emojiFonts = { "Apple Color Emoji", "Segoe UI Emoji", "Twitter Color Emoji", "Noto Color Emoji", "JoyPixels" };
+
+    QFont::insertSubstitutions(h1_font.family(), emojiFonts);
+    QFont::insertSubstitutions(h2_font.family(), emojiFonts);
+    QFont::insertSubstitutions(h3_font.family(), emojiFonts);
+    QFont::insertSubstitutions(standard_font.family(), emojiFonts);
+    QFont::insertSubstitutions(preformatted_font.family(), emojiFonts);
+
+    // from docs:
+    // > After substituting a font, you must trigger the updating of the font by destroying and re-creating all QFont objects.
+    h1_font.fromString(h1_font.toString());
+    h2_font.fromString(h2_font.toString());
+    h3_font.fromString(h3_font.toString());
+    standard_font.fromString(standard_font.toString());
+    preformatted_font.fromString(preformatted_font.toString());
+
+    return true;
 }
 
 DocumentStyle DocumentStyle::derive(const QUrl &url) const

src/fonts.qrc

@@ -0,0 +1,6 @@
+<RCC>
+    <qresource prefix="/">
+        <file>fonts/OpenMoji-Color.ttf</file>
+        <file>fonts/NotoColorEmoji.ttf</file>
+    </qresource>
+</RCC>

src/kristall.pro

@@ -51,10 +51,10 @@ macx {
     # Homebrew include paths
     INCLUDEPATH += /usr/local/opt/qt/include
     LIBS += -L/usr/local/opt/qt/lib
-    
+
     INCLUDEPATH += /usr/local/opt/openssl/include
     LIBS += -L/usr/local/opt/openssl/lib
-    
+
     ICON = icons/AppIcon.icns
 }
 
@@ -177,6 +177,7 @@ else: unix:!android: target.path = /opt/$${TARGET}/bin
 !isEmpty(target.path): INSTALLS += target
 
 RESOURCES += \
+  ./fonts.qrc \
   ../lib/BreezeStyleSheets/breeze.qrc \
   builtins.qrc \
   icons.qrc

src/main.cpp

@@ -7,6 +7,7 @@
 #include <QCommandLineParser>
 #include <QDebug>
 #include <QStandardPaths>
+#include <QFontDatabase>
 #include <cassert>
 
 ProtocolSetup       kristall::protocols;
@@ -50,6 +51,36 @@ static QDir derive_dir(QDir const & parent, QString subdir)
     return child;
 }
 
+static void addEmojiSubstitutions()
+{
+    QFontDatabase db;
+
+    auto const families = db.families();
+
+    // Provide OpenMoji font for a safe fallback
+    QFontDatabase::addApplicationFont(":/fonts/OpenMoji-Color.ttf");
+    QFontDatabase::addApplicationFont(":/fonts/NotoColorEmoji.ttf");
+
+    QStringList emojiFonts = {
+        // Use system fonts on windows/mac
+        "Apple Color Emoji",
+        "Segoe UI Emoji",
+
+        // Provide common fonts as a fallback:
+        // "Noto Color Emoji", // this font seems to replace a lot of text characters?
+        // "JoyPixels", // this font seems to replace a lot of text characters?
+
+        // Built-in font fallback
+        "OpenMoji",
+    };
+
+    for(auto const & family: families)
+    {
+        auto current = QFont::substitutes(family);
+        current << emojiFonts;
+        QFont::insertSubstitutions(family, current);
+    }
+}
 
 
 int main(int argc, char *argv[])
@@ -61,6 +92,8 @@ int main(int argc, char *argv[])
 
     kristall::clipboard = app.clipboard();
 
+    addEmojiSubstitutions();
+
     QCommandLineParser cli_parser;
     cli_parser.addVersionOption();
     cli_parser.addHelpOption();
@@ -261,7 +294,6 @@ int main(int argc, char *argv[])
     }
     app_settings.endGroup();
 
-
     w.show();
 
     int exit_code = app.exec();

src/protocols/gopherclient.cpp

@@ -97,6 +97,7 @@ void GopherClient::on_finished()
 {
     if(not was_cancelled)
     {
+        this->on_readRead();
         emit this->requestComplete(this->body, mime);
         was_cancelled = true;
     }