Implement preferred emote quality setting.

This doesn't work super well for Twitch emotes because they don't
conform to a proper emote scaling standard

Fixes #150

src/widgets/emotepopup.cpp

@@ -59,8 +59,11 @@ void EmotePopup::loadChannel(std::shared_ptr<Channel> _channel)
         builder2.getMessage()->centered = true;
         builder2.getMessage()->setDisableCompactEmotes(true);
 
+        int preferredEmoteSize = singletons::SettingManager::getInstance().preferredEmoteQuality;
+
         map.each([&](const QString &key, const util::EmoteData &value) {
-            builder2.appendWord(Word(value.image, Word::Flags::AlwaysShow, key, emoteDesc,
+            builder2.appendWord(Word(value.getImageForSize(preferredEmoteSize),
+                                     Word::Flags::AlwaysShow, key, emoteDesc,
                                      Link(Link::Type::InsertText, key)));
         });
 
@@ -82,6 +85,7 @@ void EmotePopup::loadChannel(std::shared_ptr<Channel> _channel)
 
 void EmotePopup::loadEmojis()
 {
+    int preferredEmoteSize = singletons::SettingManager::getInstance().preferredEmoteQuality;
     util::EmoteMap &emojis = singletons::EmoteManager::getInstance().getEmojis();
 
     std::shared_ptr<Channel> emojiChannel(new Channel(""));
@@ -99,10 +103,13 @@ void EmotePopup::loadEmojis()
     messages::MessageBuilder builder;
     builder.getMessage()->centered = true;
     builder.getMessage()->setDisableCompactEmotes(true);
-    emojis.each([this, &builder](const QString &key, const util::EmoteData &value) {
-        builder.appendWord(Word(value.image, Word::Flags::AlwaysShow, key, "emoji",
-                                Link(Link::Type::InsertText, key)));
-    });
+
+    emojis.each(
+        [this, &builder, preferredEmoteSize](const QString &key, const util::EmoteData &value) {
+            auto emoteImage = value.getImageForSize(preferredEmoteSize);
+            builder.appendWord(Word(emoteImage, Word::Flags::AlwaysShow, key, "emoji",
+                                    Link(Link::Type::InsertText, key)));
+        });
     emojiChannel->addMessage(builder.getMessage());
 
     this->viewEmojis->setChannel(emojiChannel);

src/widgets/settingsdialog.cpp

@@ -426,6 +426,29 @@ QVBoxLayout *SettingsDialog::createEmotesTab()
 
     layout->addWidget(createCheckbox("Enable Twitch Emotes", settings.enableTwitchEmotes));
 
+    // Preferred emote quality
+    {
+        auto box = new QHBoxLayout();
+        auto label = new QLabel("Preferred emote quality");
+        label->setToolTip("Select which emote quality you prefer to download");
+        auto widget = new QComboBox();
+        widget->addItems({"1x", "2x", "4x"});
+        box->addWidget(label);
+        box->addWidget(widget);
+
+        settings.preferredEmoteQuality.connect([widget](int newIndex, auto) {
+            widget->setCurrentIndex(newIndex);  //
+        });
+
+        QObject::connect(
+            widget, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [](int index) {
+                singletons::SettingManager &settings = singletons::SettingManager::getInstance();
+                settings.preferredEmoteQuality = index;  //
+            });
+
+        layout->addLayout(box);
+    }
+
     return layout;
 }