added highlights to the scrollbar

src/messages/limitedqueue.hpp

@@ -132,7 +132,7 @@ public:
         return acceptedItems;
     }
 
-    // replaces a single item, return true if successful
+    // replace an single item, return index if successful, -1 if unsuccessful
     int replaceItem(const T &item, const T &replacement)
     {
         std::lock_guard<std::mutex> lock(this->mutex);
@@ -166,6 +166,38 @@ public:
         return -1;
     }
 
+    // replace an item at index, return true if worked
+    bool replaceItem(size_t index, const T &replacement)
+    {
+        std::lock_guard<std::mutex> lock(this->mutex);
+
+        int x = 0;
+
+        for (size_t i = 0; i < this->chunks->size(); i++) {
+            Chunk &chunk = this->chunks->at(i);
+
+            size_t start = i == 0 ? this->firstChunkOffset : 0;
+            size_t end = i == chunk->size() - 1 ? this->lastChunkEnd : chunk->size();
+
+            for (size_t j = start; j < end; j++) {
+                if (x == index) {
+                    Chunk newChunk = std::make_shared<std::vector<T>>();
+                    newChunk->resize(chunk->size());
+
+                    for (size_t k = 0; k < chunk->size(); k++) {
+                        newChunk->at(k) = chunk->at(k);
+                    }
+
+                    newChunk->at(j) = replacement;
+                    this->chunks->at(i) = newChunk;
+
+                    return x;
+                }
+                x++;
+            }
+        }
+    }
+
     //    void insertAfter(const std::vector<T> &items, const T &index)
 
     messages::LimitedQueueSnapshot<T> getSnapshot()

src/messages/message.cpp

@@ -13,6 +13,8 @@
 #include <list>
 #include <tuple>
 
+typedef chatterino::widgets::ScrollbarHighlight SBHighlight;
+
 namespace chatterino {
 namespace messages {
 
@@ -128,6 +130,14 @@ void Message::updateContent() const
     this->content = _content;
 }
 
+SBHighlight Message::getScrollBarHighlight() const
+{
+    if (this->getFlags() & Message::Highlighted) {
+        return SBHighlight(SBHighlight::Highlight);
+    }
+    return SBHighlight();
+}
+
 namespace {
 
 void AddCurrentTimestamp(Message *message)

src/messages/message.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "messages/word.hpp"
+#include "widgets/helper/scrollbarhighlight.hpp"
 
 #include <chrono>
 #include <memory>
@@ -23,6 +24,7 @@ public:
         None = 0,
         System = (1 << 1),
         Timeout = (1 << 2),
+        Highlighted = (1 << 3),
     };
 
     bool containsHighlightedPhrase() const;
@@ -44,6 +46,7 @@ public:
     bool getDisableCompactEmotes() const;
     void setDisableCompactEmotes(bool value);
     void updateContent() const;
+    widgets::ScrollbarHighlight getScrollBarHighlight() const;
 
     QString loginName;
     QString displayName;

src/twitch/twitchmessagebuilder.cpp

@@ -460,6 +460,10 @@ void TwitchMessageBuilder::parseHighlights()
             QApplication::alert(singletons::WindowManager::getInstance().getMainWindow().window(),
                                 2500);
         }
+
+        if (doHighlight) {
+            this->message->addFlags(Message::Highlighted);
+        }
     }
 }
 

src/widgets/helper/channelview.cpp

@@ -233,7 +233,7 @@ void ChannelView::updateGifEmotes()
     }
 }
 
-ScrollBar &ChannelView::getScrollBar()
+Scrollbar &ChannelView::getScrollBar()
 {
     return this->scrollBar;
 }
@@ -395,6 +395,8 @@ void ChannelView::setChannel(std::shared_ptr<Channel> newChannel)
                 this->highlightedMessageReceived.invoke();
             }
 
+            this->scrollBar.addHighlight(message->getScrollBarHighlight());
+
             this->messageWasAdded = true;
             this->layoutMessages();
         });
@@ -416,6 +418,14 @@ void ChannelView::setChannel(std::shared_ptr<Channel> newChannel)
                 }
             }
 
+            std::vector<ScrollbarHighlight> highlights;
+            highlights.reserve(messages.size());
+            for (int i = 0; i < messages.size(); i++) {
+                highlights.push_back(messages.at(i)->getScrollBarHighlight());
+            }
+
+            this->scrollBar.addHighlightsAtStart(highlights);
+
             this->messageWasAdded = true;
             this->layoutMessages();
         });
@@ -436,6 +446,8 @@ void ChannelView::setChannel(std::shared_ptr<Channel> newChannel)
         newChannel->messageReplaced.connect([this](size_t index, SharedMessage replacement) {
             SharedMessageRef newItem(new MessageRef(replacement));
 
+            this->scrollBar.replaceHighlight(index, replacement->getScrollBarHighlight());
+
             this->messages.replaceItem(this->messages.getSnapshot()[index], newItem);
             this->layoutMessages();
         });

src/widgets/helper/channelview.hpp

@@ -33,7 +33,7 @@ public:
 
     void updateGifEmotes();
     void queueUpdate();
-    ScrollBar &getScrollBar();
+    Scrollbar &getScrollBar();
     QString getSelectedText();
     bool hasSelection();
     void clearSelection();
@@ -94,7 +94,7 @@ private:
 
     std::vector<GifEmoteData> gifEmotes;
 
-    ScrollBar scrollBar;
+    Scrollbar scrollBar;
     RippleEffectLabel *goToBottom;
 
     // This variable can be used to decide whether or not we should render the "Show latest

src/widgets/helper/scrollbarhighlight.cpp

@@ -5,16 +5,32 @@
 namespace chatterino {
 namespace widgets {
 
-ScrollBarHighlight::ScrollBarHighlight(double _position, int _colorIndex, ScrollBar *parent,
+ScrollbarHighlight::ScrollbarHighlight()
-                                       Style _style, QString _tag)
+    : color(Color::Highlight)
-    : themeManager(parent->themeManager)
+    , style(Style::None)
-    , position(_position)
-    //    , colorIndex(std::max(0, std::min(this->themeManager.HighlightColorCount, _colorIndex)))
-    , colorIndex(0)
-    , style(_style)
-    , tag(_tag)
 {
 }
 
+ScrollbarHighlight::ScrollbarHighlight(Color _color, Style _style)
+    : color(_color)
+    , style(_style)
+{
+}
+
+ScrollbarHighlight::Color ScrollbarHighlight::getColor() const
+{
+    return this->color;
+}
+
+ScrollbarHighlight::Style ScrollbarHighlight::getStyle() const
+{
+    return this->style;
+}
+
+bool ScrollbarHighlight::isNull() const
+{
+    return this->style == None;
+}
+
 }  // namespace widgets
 }  // namespace chatterino

src/widgets/helper/scrollbarhighlight.hpp

@@ -3,51 +3,23 @@
 #include "QString"
 
 namespace chatterino {
-namespace singletons {
-class ThemeManager;
-}
-
 namespace widgets {
-
+class ScrollbarHighlight
-class ScrollBar;
-
-class ScrollBarHighlight
 {
 public:
-    enum Style { Default, Left, Right, SingleLine };
+    enum Style : char { None, Default, Line };
+    enum Color : char { Highlight };
 
-    ScrollBarHighlight(double _position, int _colorIndex, ScrollBar *parent, Style _style = Default,
+    ScrollbarHighlight();
-                       QString _tag = "");
+    ScrollbarHighlight(Color _color, Style _style = Default);
 
-    singletons::ThemeManager &themeManager;
+    Color getColor() const;
-
+    Style getStyle() const;
-    double getPosition()
+    bool isNull() const;
-    {
-        return this->position;
-    }
-
-    int getColorIndex()
-    {
-        return this->colorIndex;
-    }
-
-    Style getStyle()
-    {
-        return this->style;
-    }
-
-    QString getTag()
-    {
-        return this->tag;
-    }
-
-    ScrollBarHighlight *next = nullptr;
 
 private:
-    double position;
+    Color color;
-    int colorIndex;
     Style style;
-    QString tag;
 };
 
 }  // namespace widgets

src/widgets/scrollbar.cpp

@@ -13,10 +13,9 @@
 namespace chatterino {
 namespace widgets {
 
-ScrollBar::ScrollBar(ChannelView *parent)
+Scrollbar::Scrollbar(ChannelView *parent)
     : BaseWidget(parent)
     , currentValueAnimation(this, "currentValue")
-    , highlights(nullptr)
     , smoothScrollingSetting(singletons::SettingManager::getInstance().enableSmoothScrolling)
 {
     resize((int)(16 * this->getDpiMultiplier()), 100);
@@ -37,97 +36,61 @@ ScrollBar::ScrollBar(ChannelView *parent)
     timer->start(10);
 }
 
-ScrollBar::~ScrollBar()
+void Scrollbar::addHighlight(ScrollbarHighlight highlight)
 {
-    auto highlight = this->highlights;
+    ScrollbarHighlight deleted;
-
+    this->highlights.pushBack(highlight, deleted);
-    while (highlight != nullptr) {
-        auto tmp = highlight->next;
-        delete highlight;
-        highlight = tmp;
-    }
 }
 
-void ScrollBar::removeHighlightsWhere(std::function<bool(ScrollBarHighlight &)> func)
+void Scrollbar::addHighlightsAtStart(const std::vector<ScrollbarHighlight> &_highlights)
 {
-    this->mutex.lock();
+    this->highlights.pushFront(_highlights);
-
-    ScrollBarHighlight *last = nullptr;
-    ScrollBarHighlight *current = this->highlights;
-
-    while (current != nullptr) {
-        if (func(*current)) {
-            if (last == nullptr) {
-                this->highlights = current->next;
-            } else {
-                last->next = current->next;
 }
 
-            auto oldCurrent = current;
+void Scrollbar::replaceHighlight(size_t index, ScrollbarHighlight replacement)
-
-            current = current->next;
-            last = current;
-
-            delete oldCurrent;
-        }
-    }
-
-    this->mutex.unlock();
-}
-
-void ScrollBar::addHighlight(ScrollBarHighlight *highlight)
 {
-    this->mutex.lock();
+    this->highlights.replaceItem(index, replacement);
-
-    if (this->highlights == nullptr) {
-        this->highlights = highlight;
-    } else {
-        highlight->next = this->highlights->next;
-        this->highlights->next = highlight;
 }
 
-    this->mutex.unlock();
+void Scrollbar::scrollToBottom(bool animate)
-}
-
-void ScrollBar::scrollToBottom(bool animate)
 {
     this->setDesiredValue(this->maximum - this->getLargeChange(), animate);
 }
 
-bool ScrollBar::isAtBottom() const
+bool Scrollbar::isAtBottom() const
 {
     return this->atBottom;
 }
 
-void ScrollBar::setMaximum(qreal value)
+void Scrollbar::setMaximum(qreal value)
 {
     this->maximum = value;
 
     updateScroll();
 }
 
-void ScrollBar::setMinimum(qreal value)
+void Scrollbar::setMinimum(qreal value)
 {
     this->minimum = value;
 
     updateScroll();
 }
 
-void ScrollBar::setLargeChange(qreal value)
+void Scrollbar::setLargeChange(qreal value)
 {
     this->largeChange = value;
 
     updateScroll();
 }
 
-void ScrollBar::setSmallChange(qreal value)
+void Scrollbar::setSmallChange(qreal value)
 {
     this->smallChange = value;
 
     updateScroll();
 }
 
-void ScrollBar::setDesiredValue(qreal value, bool animated)
+void Scrollbar::setDesiredValue(qreal value, bool animated)
 {
     animated &= this->smoothScrollingSetting.getValue();
     value = std::max(this->minimum, std::min(this->maximum - this->largeChange, value));
@@ -160,37 +123,37 @@ void ScrollBar::setDesiredValue(qreal value, bool animated)
     this->desiredValue = value;
 }
 
-qreal ScrollBar::getMaximum() const
+qreal Scrollbar::getMaximum() const
 {
     return this->maximum;
 }
 
-qreal ScrollBar::getMinimum() const
+qreal Scrollbar::getMinimum() const
 {
     return this->minimum;
 }
 
-qreal ScrollBar::getLargeChange() const
+qreal Scrollbar::getLargeChange() const
 {
     return this->largeChange;
 }
 
-qreal ScrollBar::getSmallChange() const
+qreal Scrollbar::getSmallChange() const
 {
     return this->smallChange;
 }
 
-qreal ScrollBar::getDesiredValue() const
+qreal Scrollbar::getDesiredValue() const
 {
     return this->desiredValue + this->smoothScrollingOffset;
 }
 
-qreal ScrollBar::getCurrentValue() const
+qreal Scrollbar::getCurrentValue() const
 {
     return this->currentValue;
 }
 
-void ScrollBar::offset(qreal value)
+void Scrollbar::offset(qreal value)
 {
     if (this->currentValueAnimation.state() == QPropertyAnimation::Running) {
         this->smoothScrollingOffset += value;
@@ -199,12 +162,12 @@ void ScrollBar::offset(qreal value)
     }
 }
 
-boost::signals2::signal<void()> &ScrollBar::getCurrentValueChanged()
+boost::signals2::signal<void()> &Scrollbar::getCurrentValueChanged()
 {
     return this->currentValueChanged;
 }
 
-void ScrollBar::setCurrentValue(qreal value)
+void Scrollbar::setCurrentValue(qreal value)
 {
     value = std::max(this->minimum, std::min(this->maximum - this->largeChange,
                                              value + this->smoothScrollingOffset));
@@ -219,7 +182,7 @@ void ScrollBar::setCurrentValue(qreal value)
     }
 }
 
-void ScrollBar::printCurrentState(const QString &prefix) const
+void Scrollbar::printCurrentState(const QString &prefix) const
 {
     qDebug() << prefix                                         //
              << "Current value: " << this->getCurrentValue()   //
@@ -228,7 +191,7 @@ void ScrollBar::printCurrentState(const QString &prefix) const
              << ". Large change: " << this->getLargeChange();  //
 }
 
-void ScrollBar::paintEvent(QPaintEvent *)
+void Scrollbar::paintEvent(QPaintEvent *)
 {
     bool mouseOver = this->mouseOverIndex != -1;
     int xOffset = mouseOver ? 0 : width() - (int)(4 * this->getDpiMultiplier());
@@ -253,23 +216,37 @@ void ScrollBar::paintEvent(QPaintEvent *)
         painter.fillRect(this->thumbRect, this->themeManager.scrollbars.thumb);
     }
 
-    //    ScrollBarHighlight *highlight = highlights;
+    // draw highlights
+    auto snapshot = this->highlights.getSnapshot();
+    int snapshotLength = snapshot.getLength();
+    int w = this->width();
+    float y = 0;
+    float dY = (this->height() - MIN_THUMB_HEIGHT) / snapshotLength;
+    int highlightHeight = std::ceilf(dY);
 
-    this->mutex.lock();
+    for (int i = 0; i < snapshotLength; i++) {
+        ScrollbarHighlight const &highlight = snapshot[i];
 
-    //    do {
+        if (!highlight.isNull()) {
-    //        painter.fillRect();
+            if (highlight.getStyle() == ScrollbarHighlight::Default) {
-    //    } while ((highlight = highlight->next()) != nullptr);
+                painter.fillRect(w / 8 * 3, (int)y, w / 4, highlightHeight,
-
+                                 this->themeManager.tabs.selected.backgrounds.regular.color());
-    this->mutex.unlock();
+            } else {
+                painter.fillRect(0, (int)y, w, 1,
+                                 this->themeManager.tabs.selected.backgrounds.regular.color());
+            }
         }
 
-void ScrollBar::resizeEvent(QResizeEvent *)
+        y += dY;
+    }
+}
+
+void Scrollbar::resizeEvent(QResizeEvent *)
 {
     this->resize((int)(16 * this->getDpiMultiplier()), this->height());
 }
 
-void ScrollBar::mouseMoveEvent(QMouseEvent *event)
+void Scrollbar::mouseMoveEvent(QMouseEvent *event)
 {
     if (this->mouseDownIndex == -1) {
         int y = event->pos().y();
@@ -300,7 +277,7 @@ void ScrollBar::mouseMoveEvent(QMouseEvent *event)
     this->lastMousePosition = event->pos();
 }
 
-void ScrollBar::mousePressEvent(QMouseEvent *event)
+void Scrollbar::mousePressEvent(QMouseEvent *event)
 {
     int y = event->pos().y();
 
@@ -317,7 +294,7 @@ void ScrollBar::mousePressEvent(QMouseEvent *event)
     }
 }
 
-void ScrollBar::mouseReleaseEvent(QMouseEvent *event)
+void Scrollbar::mouseReleaseEvent(QMouseEvent *event)
 {
     int y = event->pos().y();
 
@@ -345,14 +322,14 @@ void ScrollBar::mouseReleaseEvent(QMouseEvent *event)
     update();
 }
 
-void ScrollBar::leaveEvent(QEvent *)
+void Scrollbar::leaveEvent(QEvent *)
 {
     this->mouseOverIndex = -1;
 
     update();
 }
 
-void ScrollBar::updateScroll()
+void Scrollbar::updateScroll()
 {
     this->trackHeight = height() - this->buttonHeight - this->buttonHeight - MIN_THUMB_HEIGHT - 1;
 

src/widgets/scrollbar.hpp

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "messages/limitedqueue.hpp"
 #include "singletons/settingsmanager.hpp"
 #include "widgets/basewidget.hpp"
 #include "widgets/helper/scrollbarhighlight.hpp"
@@ -15,21 +16,18 @@ namespace widgets {
 
 class ChannelView;
 
-class ScrollBar : public BaseWidget
+class Scrollbar : public BaseWidget
 {
     Q_OBJECT
 
 public:
-    ScrollBar(ChannelView *parent = 0);
+    Scrollbar(ChannelView *parent = 0);
-    ~ScrollBar();
 
-    void removeHighlightsWhere(std::function<bool(ScrollBarHighlight &)> func);
+    void addHighlight(ScrollbarHighlight highlight);
-    void addHighlight(ScrollBarHighlight *highlight);
+    void addHighlightsAtStart(const std::vector<ScrollbarHighlight> &highlights);
-
+    void replaceHighlight(size_t index, ScrollbarHighlight replacement);
-    Q_PROPERTY(qreal desiredValue READ getDesiredValue WRITE setDesiredValue)
 
     void scrollToBottom(bool animate = false);
-
     bool isAtBottom() const;
 
     void setMaximum(qreal value);
@@ -50,6 +48,8 @@ public:
 
     void printCurrentState(const QString &prefix = QString()) const;
 
+    Q_PROPERTY(qreal desiredValue READ getDesiredValue WRITE setDesiredValue)
+
 protected:
     void paintEvent(QPaintEvent *) override;
     void resizeEvent(QResizeEvent *) override;
@@ -65,7 +65,7 @@ private:
 
     QPropertyAnimation currentValueAnimation;
 
-    ScrollBarHighlight *highlights;
+    messages::LimitedQueue<ScrollbarHighlight> highlights;
 
     bool atBottom = false;
 
@@ -73,7 +73,6 @@ private:
     int mouseDownIndex = -1;
     QPoint lastMousePosition;
 
-    //    int buttonHeight = 16;
     int buttonHeight = 0;
     int trackHeight = 100;