MAJOR plot-twisting removal of the old rendering system

src/colorscheme.cpp

@@ -41,10 +41,6 @@ ColorScheme::ColorScheme(WindowManager &windowManager)
     this->themeHue.getValueChangedSignal().connect([=](const auto &) {
         this->update();  //
     });
-
-    this->updated.connect([&windowManager] {
-        windowManager.repaintVisibleChatWidgets();  //
-    });
 }
 
 void ColorScheme::update()
@@ -57,7 +53,7 @@ void ColorScheme::update()
 void ColorScheme::setColors(double hue, double multiplier)
 {
     lightTheme = multiplier > 0;
-    bool hasDarkBorder = false;
+    // bool hasDarkBorder = false;
 
     SystemMessageColor = QColor(140, 127, 127);
 
@@ -140,10 +136,10 @@ void ColorScheme::normalizeColor(QColor &color)
         }
 
         if (color.lightnessF() < 0.6f && color.hueF() > 0.54444 && color.hueF() < 0.83333) {
-            color.setHslF(color.hueF(), color.saturationF(),
+            color.setHslF(
-                          color.lightnessF() +
+                color.hueF(), color.saturationF(),
-                              sin((color.hueF() - 0.54444) / (0.8333 - 0.54444) * 3.14159) *
+                color.lightnessF() + sin((color.hueF() - 0.54444) / (0.8333 - 0.54444) * 3.14159) *
-                                  color.saturationF() * 0.2);
+                                         color.saturationF() * 0.2);
         }
     }
 }

src/emotemanager.cpp

@@ -517,21 +517,4 @@ EmoteData EmoteManager::getCheerImage(long long amount, bool animated)
     return EmoteData();
 }
 
-boost::signals2::signal<void()> &EmoteManager::getGifUpdateSignal()
-{
-    if (!_gifUpdateTimerInitiated) {
-        _gifUpdateTimerInitiated = true;
-
-        _gifUpdateTimer.setInterval(30);
-        _gifUpdateTimer.start();
-
-        QObject::connect(&_gifUpdateTimer, &QTimer::timeout, [this] {
-            _gifUpdateTimerSignal();
-            this->windowManager.repaintGifEmotes();
-        });
-    }
-
-    return _gifUpdateTimerSignal;
-}
-
 }  // namespace chatterino

src/emotemanager.hpp

@@ -68,8 +68,6 @@ public:
         _generation++;
     }
 
-    boost::signals2::signal<void()> &getGifUpdateSignal();
-
     // Bit badge/emotes?
     ConcurrentMap<QString, messages::LazyLoadedImage *> miscImageCache;
 
@@ -157,7 +155,6 @@ private:
 
     boost::signals2::signal<void()> _gifUpdateTimerSignal;
     QTimer _gifUpdateTimer;
-    bool _gifUpdateTimerInitiated = false;
 
     int _generation = 0;
 

src/messages/lazyloadedimage.cpp

@@ -5,13 +5,13 @@
 #include "util/urlfetch.hpp"
 #include "windowmanager.hpp"
 
-#include <thread>
 #include <QBuffer>
 #include <QImageReader>
 #include <QNetworkAccessManager>
 #include <QNetworkReply>
 #include <QNetworkRequest>
 #include <QTimer>
+#include <thread>
 
 #include <functional>
 
@@ -22,7 +22,6 @@ LazyLoadedImage::LazyLoadedImage(EmoteManager &_emoteManager, WindowManager &_wi
                                  const QString &url, qreal scale, const QString &name,
                                  const QString &tooltip, const QMargins &margin, bool isHat)
     : emoteManager(_emoteManager)
-    , windowManager(_windowManager)
     , currentPixmap(nullptr)
     , url(url)
     , name(name)
@@ -38,7 +37,6 @@ LazyLoadedImage::LazyLoadedImage(EmoteManager &_emoteManager, WindowManager &_wi
                                  QPixmap *image, qreal scale, const QString &name,
                                  const QString &tooltip, const QMargins &margin, bool isHat)
     : emoteManager(_emoteManager)
-    , windowManager(_windowManager)
     , currentPixmap(image)
     , name(name)
     , tooltip(tooltip)
@@ -51,70 +49,51 @@ LazyLoadedImage::LazyLoadedImage(EmoteManager &_emoteManager, WindowManager &_wi
 
 void LazyLoadedImage::loadImage()
 {
-	std::thread([=] () {
+    std::thread([=]() {
-		QNetworkRequest request;
+        QNetworkRequest request;
-		request.setUrl(QUrl(this->url));
+        request.setUrl(QUrl(this->url));
-		QNetworkAccessManager NaM;
+        QNetworkAccessManager NaM;
-		QEventLoop eventLoop;
+        QEventLoop eventLoop;
-		QNetworkReply *reply = NaM.get(request);
+        QNetworkReply *reply = NaM.get(request);
-		QObject::connect(reply, &QNetworkReply::finished, &eventLoop, &QEventLoop::quit);
+        QObject::connect(reply, &QNetworkReply::finished, &eventLoop, &QEventLoop::quit);
-		eventLoop.exec(); // Wait until response is read.
+        eventLoop.exec();  // Wait until response is read.
 
-		qDebug() << "Received emote " << this->url;
+        qDebug() << "Received emote " << this->url;
-		QByteArray array = reply->readAll();
+        QByteArray array = reply->readAll();
-		QBuffer buffer(&array);
+        QBuffer buffer(&array);
-		buffer.open(QIODevice::ReadOnly);
+        buffer.open(QIODevice::ReadOnly);
 
-		QImage image;
+        QImage image;
-		QImageReader reader(&buffer);
+        QImageReader reader(&buffer);
 
-		bool first = true;
+        bool first = true;
 
-		for (int index = 0; index < reader.imageCount(); ++index) {
+        for (int index = 0; index < reader.imageCount(); ++index) {
-			if (reader.read(&image)) {
+            if (reader.read(&image)) {
-				auto pixmap = new QPixmap(QPixmap::fromImage(image));
+                auto pixmap = new QPixmap(QPixmap::fromImage(image));
 
-				if (first) {
+                if (first) {
-					first = false;
+                    first = false;
-					this->currentPixmap = pixmap;
+                    this->currentPixmap = pixmap;
-				}
+                }
 
-				FrameData data;
+                FrameData data;
-				data.duration = std::max(20, reader.nextImageDelay());
+                data.duration = std::max(20, reader.nextImageDelay());
-				data.image = pixmap;
+                data.image = pixmap;
 
-				this->allFrames.push_back(data);
+                this->allFrames.push_back(data);
-			}
+            }
-		}
+        }
 
-		if (this->allFrames.size() > 1) {
+        if (this->allFrames.size() > 1) {
-			this->animated = true;
+            this->animated = true;
-		}
+        }
 
-		this->emoteManager.incGeneration();
+        this->emoteManager.incGeneration();
-		this->windowManager.layoutVisibleChatWidgets();
 
-		delete reply;
+        delete reply;
-	}).detach();
+    })
-	this->emoteManager.getGifUpdateSignal().connect([=] () { this->gifUpdateTimout(); }); // For some reason when Boost signal is in thread scope and thread deletes the signal doesn't work, so this is the fix.
+        .detach();
-}
-
-void LazyLoadedImage::gifUpdateTimout()
-{
-	if (animated) {
-		this->currentFrameOffset += GIF_FRAME_LENGTH;
-
-		while (true) {
-			if (this->currentFrameOffset > this->allFrames.at(this->currentFrame).duration) {
-				this->currentFrameOffset -= this->allFrames.at(this->currentFrame).duration;
-				this->currentFrame = (this->currentFrame + 1) % this->allFrames.size();
-			} else {
-				break;
-			}
-		}
-
-		this->currentPixmap = this->allFrames[this->currentFrame].image;
-	}
 }
 
 const QPixmap *LazyLoadedImage::getPixmap()

src/messages/lazyloadedimage.hpp

@@ -40,7 +40,6 @@ public:
 
 private:
     EmoteManager &emoteManager;
-    WindowManager &windowManager;
 
     struct FrameData {
         QPixmap *image;
@@ -49,8 +48,6 @@ private:
 
     QPixmap *currentPixmap;
     std::vector<FrameData> allFrames;
-    int currentFrame = 0;
-    int currentFrameOffset = 0;
 
     QString url;
     QString name;
@@ -63,7 +60,6 @@ private:
     bool isLoading;
 
     void loadImage();
-    void gifUpdateTimout();
 };
 
 }  // namespace messages

src/messages/messagebuilder.hpp

@@ -29,7 +29,6 @@ public:
 private:
     std::shared_ptr<messages::Message> message;
     std::vector<Word> _words;
-    bool highlight = false;
     std::chrono::time_point<std::chrono::system_clock> _parseTime;
 };
 

src/widgets/channelview.cpp

@@ -29,38 +29,8 @@ namespace widgets {
 ChannelView::ChannelView(WindowManager &windowManager, BaseWidget *parent)
     : BaseWidget(parent)
     , windowManager(windowManager)
-    , scrollBar(this)
     , userPopupWidget(std::shared_ptr<twitch::TwitchChannel>())
 {
-#ifndef Q_OS_MAC
-//    this->setAttribute(Qt::WA_OpaquePaintEvent);
-#endif
-    /*this->setMouseTracking(true);
-
-    QObject::connect(&SettingsManager::getInstance(), &SettingsManager::wordTypeMaskChanged, this,
-                     &ChannelView::wordTypeMaskChanged);
-
-    this->scrollBar.getCurrentValueChanged().connect([this] {
-        // Whenever the scrollbar value has been changed, re-render the ChatWidgetView
-        this->layoutMessages();
-
-        this->goToBottom->setVisible(this->scrollBar.isVisible() && !this->scrollBar.isAtBottom());
-
-        this->update();
-    });
-
-    this->repaintGifsConnection =
-        windowManager.repaintGifs.connect([&] { this->updateGifEmotes(); });
-    this->layoutConnection = windowManager.repaintGifs.connect([&] { this->layout(); });
-
-    this->goToBottom = new RippleEffectLabel(this, 0);
-    this->goToBottom->setStyleSheet("background-color: rgba(0,0,0,0.5); color: #FFF;");
-    this->goToBottom->getLabel().setText("Jump to bottom");
-    this->goToBottom->setVisible(false);
-
-    connect(goToBottom, &RippleEffectLabel::clicked, this,
-            [this] { QTimer::singleShot(180, [this] { this->scrollBar.scrollToBottom(); }); });*/
-
     setLayout(&vbox);
     vbox.addWidget(&web);
 
@@ -71,220 +41,11 @@ ChannelView::ChannelView(WindowManager &windowManager, BaseWidget *parent)
 
 ChannelView::~ChannelView()
 {
-    QObject::disconnect(&SettingsManager::getInstance(), &SettingsManager::wordTypeMaskChanged,
-                        this, &ChannelView::wordTypeMaskChanged);
-}
-
-bool ChannelView::layoutMessages()
-{
-    auto messages = this->getMessagesSnapshot();
-
-    if (messages.getLength() == 0) {
-        this->scrollBar.setVisible(false);
-        return false;
-    }
-
-    bool showScrollbar = false;
-    bool redraw = false;
-
-    // Bool indicating whether or not we were showing all messages
-    // True if one of the following statements are true:
-    // The scrollbar was not visible
-    // The scrollbar was visible and at the bottom
-    this->showingLatestMessages = this->scrollBar.isAtBottom() || !this->scrollBar.isVisible();
-
-    size_t start = this->scrollBar.getCurrentValue();
-    int layoutWidth =
-        (this->scrollBar.isVisible() ? width() - this->scrollBar.width() : width()) - 4;
-
-    // layout the visible messages in the view
-    if (messages.getLength() > start) {
-        int y = -(messages[start]->getHeight() * (fmod(this->scrollBar.getCurrentValue(), 1)));
-
-        for (size_t i = start; i < messages.getLength(); ++i) {
-            auto message = messages[i];
-
-            redraw |= message->layout(layoutWidth, true);
-
-            y += message->getHeight();
-
-            if (y >= height()) {
-                break;
-            }
-        }
-    }
-
-    // layout the messages at the bottom to determine the scrollbar thumb size
-    int h = height() - 8;
-
-    for (std::size_t i = messages.getLength() - 1; i > 0; i--) {
-        auto *message = messages[i].get();
-        message->layout(layoutWidth, true);
-
-        h -= message->getHeight();
-
-        if (h < 0) {
-            this->scrollBar.setLargeChange((messages.getLength() - i) +
-                                           (qreal)h / message->getHeight());
-            this->scrollBar.setDesiredValue(this->scrollBar.getDesiredValue());
-
-            showScrollbar = true;
-            break;
-        }
-    }
-
-    this->scrollBar.setVisible(showScrollbar);
-
-    if (!showScrollbar) {
-        this->scrollBar.setDesiredValue(0);
-    }
-
-    this->scrollBar.setMaximum(messages.getLength());
-
-    if (this->showingLatestMessages && showScrollbar) {
-        // If we were showing the latest messages and the scrollbar now wants to be rendered, scroll
-        // to bottom
-        // TODO: Do we want to check if the user is currently moving the scrollbar?
-        // Perhaps also if the user scrolled with the scrollwheel in this ChatWidget in the last 0.2
-        // seconds or something
-        this->scrollBar.scrollToBottom();
-    }
-
-    return redraw;
 }
 
 void ChannelView::clearMessages()
 {
-    // Clear all stored messages in this chat widget
     this->messages.clear();
-
-    // Layout chat widget messages, and force an update regardless if there are no messages
-    this->layoutMessages();
-    this->update();
-}
-
-void ChannelView::updateGifEmotes()
-{
-    this->onlyUpdateEmotes = true;
-    this->update();
-}
-
-ScrollBar &ChannelView::getScrollBar()
-{
-    return this->scrollBar;
-}
-
-QString ChannelView::getSelectedText()
-{
-    LimitedQueueSnapshot<SharedMessageRef> messages = this->getMessagesSnapshot();
-
-    QString text;
-    bool isSingleMessage = this->selection.isSingleMessage();
-
-    size_t i = std::max(0, this->selection.min.messageIndex);
-
-    int charIndex = 0;
-
-    bool first = true;
-
-    auto addPart = [&](const WordPart &part, int from = 0, int to = -1) {
-        if (part.getCopyText().isEmpty()) {
-            return;
-        }
-
-        if (part.getWord().isText()) {
-            text += part.getText().mid(from, to);
-        } else {
-            text += part.getCopyText();
-        }
-    };
-
-    // first line
-    for (const messages::WordPart &part : messages[i]->getWordParts()) {
-        int charLength = part.getCharacterLength();
-
-        if (charIndex + charLength < this->selection.min.charIndex) {
-            charIndex += charLength;
-            continue;
-        }
-
-        if (first) {
-            first = false;
-            bool isSingleWord =
-                isSingleMessage &&
-                this->selection.max.charIndex - charIndex < part.getCharacterLength();
-
-            if (isSingleWord) {
-                // return single word
-                addPart(part, this->selection.min.charIndex - charIndex,
-                        this->selection.max.charIndex - this->selection.min.charIndex);
-                return text;
-            } else {
-                // add first word of the selection
-                addPart(part, this->selection.min.charIndex - charIndex);
-            }
-        } else if (isSingleMessage && charIndex + charLength >= selection.max.charIndex) {
-            addPart(part, 0, this->selection.max.charIndex - charIndex);
-
-            return text;
-        } else {
-            text += part.getCopyText() + (part.hasTrailingSpace() ? " " : "");
-        }
-
-        charIndex += charLength;
-    }
-
-    text += "\n";
-
-    // middle lines
-    for (i++; i < this->selection.max.messageIndex; i++) {
-        for (const messages::WordPart &part : messages[i]->getWordParts()) {
-            if (!part.getCopyText().isEmpty()) {
-                text += part.getCopyText();
-
-                if (part.hasTrailingSpace()) {
-                    text += " ";
-                }
-            }
-        }
-        text += "\n";
-    }
-
-    // last line
-    charIndex = 0;
-
-    for (const messages::WordPart &part :
-         messages[this->selection.max.messageIndex]->getWordParts()) {
-        int charLength = part.getCharacterLength();
-
-        if (charIndex + charLength >= this->selection.max.charIndex) {
-            addPart(part, 0, this->selection.max.charIndex - charIndex);
-
-            return text;
-        }
-
-        text += part.getCopyText();
-
-        if (part.hasTrailingSpace()) {
-            text += " ";
-        }
-
-        charIndex += charLength;
-    }
-
-    return text;
-}
-
-bool ChannelView::hasSelection()
-{
-    return !this->selection.isEmpty();
-}
-
-void ChannelView::clearSelection()
-{
-    this->selection = Selection();
-    layoutMessages();
-    update();
 }
 
 messages::LimitedQueueSnapshot<SharedMessageRef> ChannelView::getMessagesSnapshot()
@@ -302,13 +63,13 @@ void ChannelView::setChannel(std::shared_ptr<Channel> channel)
     // on new message
     this->messageAppendedConnection =
         channel->messageAppended.connect([this](SharedMessage &message) {
-            //SharedMessageRef deleted;
+            // SharedMessageRef deleted;
 
             auto command = QString("addMessage('%1','%2'").arg("", "");
             for (const auto &word : message->getWords()) {
                 command += ",";
                 if (word.isText()) {
-                    command += "{type:'text', data:'" +  word.getText() + "'}";
+                    command += "{type:'text', data:'" + word.getText() + "'}";
                 } else {
                     command += "{type:'emote', data:'" + word.getEmoteURL() + "'}";
                 }
@@ -323,21 +84,13 @@ void ChannelView::setChannel(std::shared_ptr<Channel> channel)
                 this->getScrollBar().setDesiredValue(value, false);
             }*/
 
-            //layoutMessages();
+            // layoutMessages();
-            //update();
+            // update();
         });
 
     // on message removed
     this->messageRemovedConnection =
-        channel->messageRemovedFromStart.connect([this](SharedMessage &) {
+        channel->messageRemovedFromStart.connect([](SharedMessage &) {});
-            this->selection.min.messageIndex--;
-            this->selection.max.messageIndex--;
-            this->selection.start.messageIndex--;
-            this->selection.end.messageIndex--;
-
-            layoutMessages();
-            update();
-        });
 
     auto snapshot = channel->getMessageSnapshot();
 
@@ -363,489 +116,5 @@ void ChannelView::detachChannel()
     this->messageRemovedConnection.disconnect();
 }
 
-void ChannelView::resizeEvent(QResizeEvent *)
-{
-    /*this->scrollBar.resize(this->scrollBar.width(), height());
-    this->scrollBar.move(width() - this->scrollBar.width(), 0);
-
-    this->goToBottom->setGeometry(0, this->height() - 32, this->width(), 32);
-
-    this->scrollBar.raise();
-
-    layoutMessages();
-
-    this->update();*/
-}
-
-void ChannelView::setSelection(const SelectionItem &start, const SelectionItem &end)
-{
-    // selections
-    this->selection = Selection(start, end);
-
-    this->selectionChanged();
-
-    //    qDebug() << min.messageIndex << ":" << min.charIndex << " " << max.messageIndex << ":"
-    //             << max.charIndex;
-}
-
-void ChannelView::paintEvent(QPaintEvent * /*event*/)
-{
-    QPainter painter(this);
-
-    painter.setRenderHint(QPainter::SmoothPixmapTransform);
-
-// only update gif emotes
-#ifndef Q_OS_MAC
-//    if (this->onlyUpdateEmotes) {
-//        this->onlyUpdateEmotes = false;
-
-//        for (const GifEmoteData &item : this->gifEmotes) {
-//            painter.fillRect(item.rect, this->colorScheme.ChatBackground);
-
-//            painter.drawPixmap(item.rect, *item.image->getPixmap());
-//        }
-
-//        return;
-//    }
-#endif
-
-    // update all messages
-    this->gifEmotes.clear();
-
-    painter.fillRect(rect(), this->colorScheme.ChatBackground);
-
-    // draw messages
-    this->drawMessages(painter);
-
-    // draw gif emotes
-    for (GifEmoteData &item : this->gifEmotes) {
-        painter.fillRect(item.rect, this->colorScheme.ChatBackground);
-
-        painter.drawPixmap(item.rect, *item.image->getPixmap());
-    }
-}
-
-void ChannelView::drawMessages(QPainter &painter)
-{
-    auto messages = this->getMessagesSnapshot();
-
-    size_t start = this->scrollBar.getCurrentValue();
-
-    if (start >= messages.getLength()) {
-        return;
-    }
-
-    int y = -(messages[start].get()->getHeight() * (fmod(this->scrollBar.getCurrentValue(), 1)));
-
-    for (size_t i = start; i < messages.getLength(); ++i) {
-        messages::MessageRef *messageRef = messages[i].get();
-
-        std::shared_ptr<QPixmap> bufferPtr = messageRef->buffer;
-        QPixmap *buffer = bufferPtr.get();
-
-        bool updateBuffer = messageRef->updateBuffer;
-
-        if (buffer == nullptr) {
-            buffer = new QPixmap(width(), messageRef->getHeight());
-            bufferPtr = std::shared_ptr<QPixmap>(buffer);
-            updateBuffer = true;
-        }
-
-        updateBuffer |= this->selecting;
-
-        // update messages that have been changed
-        if (updateBuffer) {
-            this->updateMessageBuffer(messageRef, buffer, i);
-        }
-
-        // get gif emotes
-        for (messages::WordPart const &wordPart : messageRef->getWordParts()) {
-            if (wordPart.getWord().isImage()) {
-                messages::LazyLoadedImage &lli = wordPart.getWord().getImage();
-
-                if (lli.getAnimated()) {
-                    GifEmoteData gifEmoteData;
-                    gifEmoteData.image = &lli;
-                    QRect rect(wordPart.getX(), wordPart.getY() + y, wordPart.getWidth(),
-                               wordPart.getHeight());
-
-                    gifEmoteData.rect = rect;
-
-                    this->gifEmotes.push_back(gifEmoteData);
-                }
-            }
-        }
-
-        messageRef->buffer = bufferPtr;
-
-        //        if (buffer != nullptr) {
-        painter.drawPixmap(0, y, *buffer);
-        //        }
-
-        y += messageRef->getHeight();
-
-        if (y > height()) {
-            break;
-        }
-    }
-}
-
-void ChannelView::updateMessageBuffer(messages::MessageRef *messageRef, QPixmap *buffer,
-                                      int messageIndex)
-{
-    QPainter painter(buffer);
-
-    // draw background
-    // if (this->selectionMin.messageIndex <= messageIndex &&
-    //    this->selectionMax.messageIndex >= messageIndex) {
-    //    painter.fillRect(buffer->rect(), QColor(24, 55, 25));
-    //} else {
-    painter.fillRect(buffer->rect(),
-                     (messageRef->getMessage()->getCanHighlightTab())
-                         ? this->colorScheme.ChatBackgroundHighlighted
-                         : this->colorScheme.ChatBackground);
-    //}
-
-    // draw selection
-    if (!selection.isEmpty()) {
-        drawMessageSelection(painter, messageRef, messageIndex, buffer->height());
-    }
-
-    // draw message
-    for (messages::WordPart const &wordPart : messageRef->getWordParts()) {
-        // image
-        if (wordPart.getWord().isImage()) {
-            messages::LazyLoadedImage &lli = wordPart.getWord().getImage();
-
-            const QPixmap *image = lli.getPixmap();
-
-            if (image != nullptr) {
-                painter.drawPixmap(QRect(wordPart.getX(), wordPart.getY(), wordPart.getWidth(),
-                                         wordPart.getHeight()),
-                                   *image);
-            }
-        }
-        // text
-        else {
-            QColor color = wordPart.getWord().getColor().getColor(this->colorScheme);
-
-            this->colorScheme.normalizeColor(color);
-
-            painter.setPen(color);
-            painter.setFont(wordPart.getWord().getFont());
-
-            painter.drawText(QRectF(wordPart.getX(), wordPart.getY(), 10000, 10000),
-                             wordPart.getText(), QTextOption(Qt::AlignLeft | Qt::AlignTop));
-        }
-    }
-
-    messageRef->updateBuffer = false;
-}
-
-void ChannelView::drawMessageSelection(QPainter &painter, messages::MessageRef *messageRef,
-                                       int messageIndex, int bufferHeight)
-{
-    if (this->selection.min.messageIndex > messageIndex ||
-        this->selection.max.messageIndex < messageIndex) {
-        return;
-    }
-
-    QColor selectionColor(255, 255, 255, 63);
-
-    int charIndex = 0;
-    size_t i = 0;
-    auto &parts = messageRef->getWordParts();
-
-    int currentLineNumber = 0;
-    QRect rect;
-
-    if (parts.size() > 0) {
-        if (selection.min.messageIndex == messageIndex) {
-            rect.setTop(parts.at(0).getY());
-        }
-        rect.setLeft(parts.at(0).getX());
-    }
-
-    // skip until selection start
-    if (this->selection.min.messageIndex == messageIndex && this->selection.min.charIndex != 0) {
-        for (; i < parts.size(); i++) {
-            const messages::WordPart &part = parts.at(i);
-            auto characterLength = part.getCharacterLength();
-
-            if (characterLength + charIndex > selection.min.charIndex) {
-                break;
-            }
-
-            charIndex += characterLength;
-            currentLineNumber = part.getLineNumber();
-        }
-
-        if (i >= parts.size()) {
-            return;
-        }
-
-        // handle word that has a cut of selection
-        const messages::WordPart &part = parts.at(i);
-
-        // check if selection if single word
-        int characterLength = part.getCharacterLength();
-        bool isSingleWord = charIndex + characterLength > this->selection.max.charIndex &&
-                            this->selection.max.messageIndex == messageIndex;
-
-        rect = part.getRect();
-        currentLineNumber = part.getLineNumber();
-
-        if (part.getWord().isText()) {
-            int offset = this->selection.min.charIndex - charIndex;
-
-            for (int j = 0; j < offset; j++) {
-                rect.setLeft(rect.left() + part.getCharacterWidth(j));
-            }
-
-            if (isSingleWord) {
-                int length = (this->selection.max.charIndex - charIndex) - offset;
-
-                rect.setRight(part.getX());
-
-                for (int j = 0; j < offset + length; j++) {
-                    rect.setRight(rect.right() + part.getCharacterWidth(j));
-                }
-
-                painter.fillRect(rect, selectionColor);
-
-                return;
-            }
-        } else {
-            if (isSingleWord) {
-                if (charIndex + 1 != this->selection.max.charIndex) {
-                    rect.setRight(part.getX() + part.getWord().getImage().getScaledWidth());
-                }
-                painter.fillRect(rect, selectionColor);
-
-                return;
-            }
-
-            if (charIndex != this->selection.min.charIndex) {
-                rect.setLeft(part.getX() + part.getWord().getImage().getScaledWidth());
-            }
-        }
-
-        i++;
-        charIndex += characterLength;
-    }
-
-    // go through lines and draw selection
-    for (; i < parts.size(); i++) {
-        const messages::WordPart &part = parts.at(i);
-
-        int charLength = part.getCharacterLength();
-
-        bool isLastSelectedWord = this->selection.max.messageIndex == messageIndex &&
-                                  charIndex + charLength > this->selection.max.charIndex;
-
-        if (part.getLineNumber() == currentLineNumber) {
-            rect.setLeft(std::min(rect.left(), part.getX()));
-            rect.setTop(std::min(rect.top(), part.getY()));
-            rect.setRight(std::max(rect.right(), part.getRight()));
-            rect.setBottom(std::max(rect.bottom(), part.getBottom() - 1));
-        } else {
-            painter.fillRect(rect, selectionColor);
-
-            currentLineNumber = part.getLineNumber();
-
-            rect = part.getRect();
-        }
-
-        if (isLastSelectedWord) {
-            if (part.getWord().isText()) {
-                int offset = this->selection.min.charIndex - charIndex;
-
-                int length = (this->selection.max.charIndex - charIndex) - offset;
-
-                rect.setRight(part.getX());
-
-                for (int j = 0; j < offset + length; j++) {
-                    rect.setRight(rect.right() + part.getCharacterWidth(j));
-                }
-            } else {
-                if (this->selection.max.charIndex == charIndex) {
-                    rect.setRight(part.getX());
-                }
-            }
-            painter.fillRect(rect, selectionColor);
-
-            return;
-        }
-
-        charIndex += charLength;
-    }
-
-    if (this->selection.max.messageIndex != messageIndex) {
-        rect.setBottom(bufferHeight);
-    }
-
-    painter.fillRect(rect, selectionColor);
-}
-
-void ChannelView::wheelEvent(QWheelEvent *event)
-{
-    if (this->scrollBar.isVisible()) {
-        auto mouseMultiplier = SettingsManager::getInstance().mouseScrollMultiplier.get();
-
-        this->scrollBar.setDesiredValue(
-            this->scrollBar.getDesiredValue() - event->delta() / 10.0 * mouseMultiplier, true);
-    }
-}
-
-void ChannelView::mouseMoveEvent(QMouseEvent *event)
-{
-    std::shared_ptr<messages::MessageRef> message;
-    QPoint relativePos;
-    int messageIndex;
-
-    if (!tryGetMessageAt(event->pos(), message, relativePos, messageIndex)) {
-        setCursor(Qt::ArrowCursor);
-        return;
-    }
-
-    if (this->selecting) {
-        int index = message->getSelectionIndex(relativePos);
-
-        this->setSelection(this->selection.start, SelectionItem(messageIndex, index));
-
-        this->repaint();
-    }
-
-    const messages::Word *hoverWord;
-    if ((hoverWord = message->tryGetWordPart(relativePos)) == nullptr) {
-        setCursor(Qt::ArrowCursor);
-        return;
-    }
-
-    if (hoverWord->getLink().isValid()) {
-        setCursor(Qt::PointingHandCursor);
-    } else {
-        setCursor(Qt::ArrowCursor);
-    }
-}
-
-void ChannelView::mousePressEvent(QMouseEvent *event)
-{
-    this->isMouseDown = true;
-
-    this->lastPressPosition = event->screenPos();
-
-    std::shared_ptr<messages::MessageRef> message;
-    QPoint relativePos;
-    int messageIndex;
-
-    this->mouseDown(event);
-
-    if (!tryGetMessageAt(event->pos(), message, relativePos, messageIndex)) {
-        setCursor(Qt::ArrowCursor);
-
-        return;
-    }
-
-    int index = message->getSelectionIndex(relativePos);
-
-    auto selectionItem = SelectionItem(messageIndex, index);
-    this->setSelection(selectionItem, selectionItem);
-    this->selecting = true;
-
-    this->repaint();
-}
-
-void ChannelView::mouseReleaseEvent(QMouseEvent *event)
-{
-    if (!this->isMouseDown) {
-        // We didn't grab the mouse press, so we shouldn't be handling the mouse
-        // release
-        return;
-    }
-
-    this->isMouseDown = false;
-    this->selecting = false;
-
-    float distance = util::distanceBetweenPoints(this->lastPressPosition, event->screenPos());
-
-    qDebug() << "Distance: " << distance;
-
-    if (fabsf(distance) > 15.f) {
-        // It wasn't a proper click, so we don't care about that here
-        return;
-    }
-
-    // If you clicked and released less than  X pixels away, it counts
-    // as a click!
-
-    // show user thing pajaW
-
-    std::shared_ptr<messages::MessageRef> message;
-    QPoint relativePos;
-    int messageIndex;
-
-    if (!tryGetMessageAt(event->pos(), message, relativePos, messageIndex)) {
-        // No message at clicked position
-        this->userPopupWidget.hide();
-        return;
-    }
-
-    const messages::Word *hoverWord;
-
-    if ((hoverWord = message->tryGetWordPart(relativePos)) == nullptr) {
-        return;
-    }
-
-    auto &link = hoverWord->getLink();
-
-    switch (link.getType()) {
-        case messages::Link::UserInfo: {
-            auto user = link.getValue();
-            this->userPopupWidget.setName(user);
-            this->userPopupWidget.move(event->screenPos().toPoint());
-            this->userPopupWidget.updatePermissions();
-            this->userPopupWidget.show();
-            this->userPopupWidget.setFocus();
-
-            qDebug() << "Clicked " << user << "s message";
-            break;
-        }
-        case messages::Link::Url: {
-            QDesktopServices::openUrl(QUrl(link.getValue()));
-            break;
-        }
-    }
-}
-
-bool ChannelView::tryGetMessageAt(QPoint p, std::shared_ptr<messages::MessageRef> &_message,
-                                  QPoint &relativePos, int &index)
-{
-    auto messages = this->getMessagesSnapshot();
-
-    size_t start = this->scrollBar.getCurrentValue();
-
-    if (start >= messages.getLength()) {
-        return false;
-    }
-
-    int y = -(messages[start]->getHeight() * (fmod(this->scrollBar.getCurrentValue(), 1)));
-
-    for (size_t i = start; i < messages.getLength(); ++i) {
-        auto message = messages[i];
-
-        if (p.y() < y + message->getHeight()) {
-            relativePos = QPoint(p.x(), p.y() - y);
-            _message = message;
-            index = i;
-            return true;
-        }
-
-        y += message->getHeight();
-    }
-
-    return false;
-}
-
 }  // namespace widgets
 }  // namespace chatterino

src/widgets/channelview.hpp

@@ -21,65 +21,6 @@
 namespace chatterino {
 namespace widgets {
 
-struct SelectionItem {
-    int messageIndex;
-    int charIndex;
-
-    SelectionItem()
-    {
-        messageIndex = charIndex = 0;
-    }
-
-    SelectionItem(int _messageIndex, int _charIndex)
-    {
-        this->messageIndex = _messageIndex;
-        this->charIndex = _charIndex;
-    }
-
-    bool isSmallerThan(const SelectionItem &other) const
-    {
-        return this->messageIndex < other.messageIndex ||
-               (this->messageIndex == other.messageIndex && this->charIndex < other.charIndex);
-    }
-
-    bool equals(const SelectionItem &other) const
-    {
-        return this->messageIndex == other.messageIndex && this->charIndex == other.charIndex;
-    }
-};
-
-struct Selection {
-    SelectionItem start;
-    SelectionItem end;
-    SelectionItem min;
-    SelectionItem max;
-
-    Selection()
-    {
-    }
-
-    Selection(const SelectionItem &start, const SelectionItem &end)
-        : start(start)
-        , end(end)
-        , min(start)
-        , max(end)
-    {
-        if (max.isSmallerThan(min)) {
-            std::swap(this->min, this->max);
-        }
-    }
-
-    bool isEmpty() const
-    {
-        return this->start.equals(this->end);
-    }
-
-    bool isSingleMessage() const
-    {
-        return this->min.messageIndex == this->max.messageIndex;
-    }
-};
-
 class ChannelView : public BaseWidget
 {
     Q_OBJECT
@@ -88,34 +29,11 @@ public:
     explicit ChannelView(WindowManager &windowManager, BaseWidget *parent = 0);
     ~ChannelView();
 
-    void updateGifEmotes();
-    ScrollBar &getScrollBar();
-    QString getSelectedText();
-    bool hasSelection();
-    void clearSelection();
-
     void setChannel(std::shared_ptr<Channel> channel);
     messages::LimitedQueueSnapshot<messages::SharedMessageRef> getMessagesSnapshot();
-    bool layoutMessages();
 
     void clearMessages();
 
-    boost::signals2::signal<void(QMouseEvent *)> mouseDown;
-    boost::signals2::signal<void()> selectionChanged;
-
-protected:
-    virtual void resizeEvent(QResizeEvent *) override;
-
-    virtual void paintEvent(QPaintEvent *) override;
-    virtual void wheelEvent(QWheelEvent *event) override;
-
-    virtual void mouseMoveEvent(QMouseEvent *event) override;
-    virtual void mousePressEvent(QMouseEvent *event) override;
-    virtual void mouseReleaseEvent(QMouseEvent *event) override;
-
-    bool tryGetMessageAt(QPoint p, std::shared_ptr<messages::MessageRef> &message,
-                         QPoint &relativePos, int &index);
-
 private:
     struct GifEmoteData {
         messages::LazyLoadedImage *image;
@@ -126,49 +44,18 @@ private:
 
     void detachChannel();
 
-    void drawMessages(QPainter &painter);
-    void updateMessageBuffer(messages::MessageRef *messageRef, QPixmap *buffer, int messageIndex);
-    void drawMessageSelection(QPainter &painter, messages::MessageRef *messageRef, int messageIndex,
-                              int bufferHeight);
-    void setSelection(const SelectionItem &start, const SelectionItem &end);
-
     std::shared_ptr<Channel> channel;
 
     std::vector<GifEmoteData> gifEmotes;
 
-    ScrollBar scrollBar;
-    RippleEffectLabel *goToBottom;
-
-    // This variable can be used to decide whether or not we should render the "Show latest
-    // messages" button
-    bool showingLatestMessages = true;
-
     AccountPopupWidget userPopupWidget;
-    bool onlyUpdateEmotes = false;
-
-    // Mouse event variables
-    bool isMouseDown = false;
-    QPointF lastPressPosition;
-
-    Selection selection;
-    bool selecting = false;
 
     messages::LimitedQueue<messages::SharedMessageRef> messages;
 
     boost::signals2::connection messageAppendedConnection;
     boost::signals2::connection messageRemovedConnection;
-    boost::signals2::connection repaintGifsConnection;
-    boost::signals2::connection layoutConnection;
-
     QWebEngineView web;
     QVBoxLayout vbox;
-
-private slots:
-    void wordTypeMaskChanged()
-    {
-        layoutMessages();
-        update();
-    }
 };
 
 }  // namespace widgets

src/widgets/chatwidget.cpp

@@ -86,13 +86,6 @@ ChatWidget::ChatWidget(ChannelManager &_channelManager, NotebookPage *parent)
 
     this->input.textInput.installEventFilter(parent);
 
-    this->view.mouseDown.connect([this](QMouseEvent *) { this->giveFocus(Qt::MouseFocusReason); });
-    this->view.selectionChanged.connect([this]() {
-        if (view.hasSelection()) {
-            this->input.clearSelection();
-        }
-    });
-
     QTimer *timer = new QTimer(this);
     connect(timer, &QTimer::timeout, this, &ChatWidget::test);
     timer->start(1000);
@@ -167,21 +160,6 @@ bool ChatWidget::showChangeChannelPopup(const char *dialogTitle, bool empty)
     return false;
 }
 
-void ChatWidget::layoutMessages(bool forceUpdate)
-{
-    this->view.layoutMessages();
-    this->view.update();
-
-    //    if (this->view.layoutMessages() || forceUpdate) {
-    //        this->view.update();
-    //    }
-}
-
-void ChatWidget::updateGifEmotes()
-{
-    this->view.updateGifEmotes();
-}
-
 void ChatWidget::giveFocus(Qt::FocusReason reason)
 {
     this->input.textInput.setFocus(reason);
@@ -430,11 +408,6 @@ void ChatWidget::doOpenAccountPopupWidget(AccountPopupWidget *widget, QString us
     widget->setFocus();
 }
 
-void ChatWidget::doCopy()
-{
-    QApplication::clipboard()->setText(this->view.getSelectedText());
-}
-
 static std::vector<std::string> usernameVariants = {
     "pajlada",                 //
     "trump",                   //

src/widgets/chatwidget.hpp

@@ -56,9 +56,6 @@ public:
     void giveFocus(Qt::FocusReason reason);
     bool hasFocus() const;
 
-    void layoutMessages(bool forceUpdate = false);
-    void updateGifEmotes();
-
 protected:
     virtual void paintEvent(QPaintEvent *) override;
 
@@ -117,9 +114,6 @@ public slots:
     // Open twitch channel stream through streamlink
     void doOpenStreamlink();
 
-    // Copy text from chat
-    void doCopy();
-
     // Open viewer list of the channel
     void doOpenViewerList();
 

src/widgets/chatwidgetinput.cpp

@@ -160,23 +160,12 @@ ChatWidgetInput::ChatWidgetInput(ChatWidget *_chatWidget, EmoteManager &emoteMan
 
                 notebook->previousTab();
             }
-        } else if (event->key() == Qt::Key_C && event->modifiers() == Qt::ControlModifier) {
-            if (this->chatWidget->view.hasSelection()) {
-                this->chatWidget->doCopy();
-                event->accept();
-            }
         }
     });
 
     this->textLengthVisibleChangedConnection =
         SettingsManager::getInstance().showMessageLength.valueChanged.connect(
             [this](const bool &value) { this->textLengthLabel.setHidden(!value); });
-
-    QObject::connect(&this->textInput, &QTextEdit::copyAvailable, [this](bool available) {
-        if (available) {
-            this->chatWidget->view.clearSelection();
-        }
-    });
 }
 
 ChatWidgetInput::~ChatWidgetInput()

src/widgets/mainwindow.cpp

@@ -70,15 +70,6 @@ MainWindow::~MainWindow()
 {
 }
 
-void MainWindow::repaintVisibleChatWidgets(Channel *channel)
-{
-    auto *page = this->notebook.getSelectedPage();
-
-    if (page == nullptr) {
-        return;
-    }
-}
-
 void MainWindow::load(const boost::property_tree::ptree &tree)
 {
     this->notebook.load(tree);

src/widgets/mainwindow.hpp

@@ -30,8 +30,6 @@ public:
                         CompletionManager &_completionManager);
     ~MainWindow();
 
-    void repaintVisibleChatWidgets(Channel *channel = nullptr);
-
     void load(const boost::property_tree::ptree &tree);
     boost::property_tree::ptree save();
     void loadDefaults();

src/widgets/notebook.cpp

@@ -217,7 +217,7 @@ void Notebook::resizeEvent(QResizeEvent *)
 
 void Notebook::settingsButtonClicked()
 {
-    QTimer::singleShot(80, [this] { SettingsDialog::showDialog(); });
+    QTimer::singleShot(80, [] { SettingsDialog::showDialog(); });
 }
 
 void Notebook::usersButtonClicked()

src/windowmanager.cpp

@@ -25,23 +25,6 @@ static const std::string &getSettingsPath()
     return path;
 }
 
-void WindowManager::layoutVisibleChatWidgets(Channel *channel)
-{
-    this->layout();
-}
-
-void WindowManager::repaintVisibleChatWidgets(Channel *channel)
-{
-    if (this->mainWindow != nullptr) {
-        this->mainWindow->repaintVisibleChatWidgets(channel);
-    }
-}
-
-void WindowManager::repaintGifEmotes()
-{
-    this->repaintGifs();
-}
-
 // void WindowManager::updateAll()
 //{
 //    if (this->mainWindow != nullptr) {

src/windowmanager.hpp

@@ -20,19 +20,11 @@ public:
     ColorScheme &colorScheme;
     CompletionManager &completionManager;
 
-    void layoutVisibleChatWidgets(Channel *channel = nullptr);
-    void repaintVisibleChatWidgets(Channel *channel = nullptr);
-    void repaintGifEmotes();
-    // void updateAll();
-
     widgets::MainWindow &getMainWindow();
 
     void load();
     void save();
 
-    boost::signals2::signal<void()> repaintGifs;
-    boost::signals2::signal<void()> layout;
-
 private:
     std::mutex windowMutex;