added some code for collapsing messages

resources/resources.qrc

@@ -33,6 +33,7 @@
         <file>images/VSO_Link_blue_16x.png</file>
         <file>sounds/ping2.wav</file>
         <file>images/subscriber.png</file>
+        <file>images/collapse.png</file>
     </qresource>
     <qresource prefix="/qt/etc">
         <file>qt.conf</file>

src/messages/message.cpp

@@ -61,6 +61,16 @@ const QString &Message::getId() const
     return this->id;
 }
 
+bool Message::getCollapsedDefault() const
+{
+    return this->collapsedDefault;
+}
+
+void Message::setCollapsedDefault(bool value)
+{
+    this->collapsedDefault = value;
+}
+
 namespace {
 
 void AddCurrentTimestamp(Message *message)

src/messages/message.hpp

@@ -27,6 +27,8 @@ public:
     std::vector<Word> &getWords();
     bool isDisabled() const;
     const QString &getId() const;
+    bool getCollapsedDefault() const;
+    void setCollapsedDefault(bool value);
 
     QString loginName;
     QString displayName;
@@ -57,6 +59,9 @@ private:
     QString timeoutUser = "";
     int timeoutCount = 0;
     bool disabled = false;
+
+    bool collapsedDefault = false;
+
     std::chrono::time_point<std::chrono::system_clock> parseTime;
 
     QString content;

src/messages/messageref.cpp

@@ -4,10 +4,10 @@
 
 #include <QDebug>
 
-#define MARGIN_LEFT 8
-#define MARGIN_RIGHT 8
-#define MARGIN_TOP 4
-#define MARGIN_BOTTOM 4
+#define MARGIN_LEFT (int)(8 * this->dpiMultiplier)
+#define MARGIN_RIGHT (int)(8 * this->dpiMultiplier)
+#define MARGIN_TOP (int)(4 * this->dpiMultiplier)
+#define MARGIN_BOTTOM (int)(4 * this->dpiMultiplier)
 
 using namespace chatterino::messages;
 
@@ -17,6 +17,7 @@ namespace messages {
 MessageRef::MessageRef(SharedMessage _message)
     : message(_message)
     , wordParts()
+    , collapsed(_message->getCollapsedDefault())
 {
 }
 
@@ -59,9 +60,9 @@ bool MessageRef::layout(int width, float dpiMultiplyer)
     this->currentWordTypes = SettingsManager::getInstance().getWordTypeMask();
 
     // check if dpi changed
-    bool dpiChanged = this->dpiMultiplyer != dpiMultiplyer;
+    bool dpiChanged = this->dpiMultiplier != dpiMultiplyer;
     layoutRequired |= dpiChanged;
-    this->dpiMultiplyer = dpiMultiplyer;
+    this->dpiMultiplier = dpiMultiplyer;
     imagesChanged |= dpiChanged;
     textChanged |= dpiChanged;
 
@@ -105,9 +106,13 @@ void MessageRef::actuallyLayout(int width)
     int lineNumber = 0;
     int lineStart = 0;
     int lineHeight = 0;
+    int firstLineHeight = -1;
     bool first = true;
 
     uint32_t flags = settings.getWordTypeMask();
+    if (this->collapsed) {
+        flags |= Word::Collapsed;
+    }
 
     // loop throught all the words and add them when a line is full
     for (auto it = this->message->getWords().begin(); it != this->message->getWords().end(); ++it) {
@@ -132,7 +137,7 @@ void MessageRef::actuallyLayout(int width)
         // word wrapping
         if (word.isText() && word.getWidth() + MARGIN_LEFT > right) {
             // align and end the current line
-            alignWordParts(lineStart, lineHeight, width);
+            alignWordParts(lineStart, lineHeight, width, firstLineHeight);
             y += lineHeight;
 
             int currentPartStart = 0;
@@ -187,7 +192,7 @@ void MessageRef::actuallyLayout(int width)
         // doesn't fit in the line
         else {
             // align and end the current line
-            alignWordParts(lineStart, lineHeight, width);
+            alignWordParts(lineStart, lineHeight, width, firstLineHeight);
 
             y += lineHeight;
 
@@ -206,11 +211,19 @@ void MessageRef::actuallyLayout(int width)
     }
 
     // align and end the current line
-    alignWordParts(lineStart, lineHeight, width);
+    alignWordParts(lineStart, lineHeight, width, firstLineHeight);
+
+    this->collapsedHeight = firstLineHeight == -1 ? (int)(24 * dpiMultiplier)
+                                                  : firstLineHeight + MARGIN_TOP + MARGIN_BOTTOM;
 
     // update height
     int oldHeight = this->height;
+
+    if (this->isCollapsed()) {
+        this->height = this->collapsedHeight;
+    } else {
         this->height = y + lineHeight + MARGIN_BOTTOM;
+    }
 
     // invalidate buffer if height changed
     if (oldHeight != this->height) {
@@ -227,8 +240,8 @@ void MessageRef::updateTextSizes()
             continue;
 
         QFontMetrics &metrics = word.getFontMetrics();
-        word.setSize((int)(metrics.width(word.getText()) * this->dpiMultiplyer),
-                     (int)(metrics.height() * this->dpiMultiplyer));
+        word.setSize((int)(metrics.width(word.getText()) * this->dpiMultiplier),
+                     (int)(metrics.height() * this->dpiMultiplier));
     }
 }
 
@@ -236,7 +249,7 @@ void MessageRef::updateImageSizes()
 {
     const int mediumTextLineHeight =
         FontManager::getInstance().getFontMetrics(FontManager::Medium).height();
-    const qreal emoteScale = SettingsManager::getInstance().emoteScale.get() * this->dpiMultiplyer;
+    const qreal emoteScale = SettingsManager::getInstance().emoteScale.get() * this->dpiMultiplier;
     const bool scaleEmotesByLineHeight = SettingsManager::getInstance().scaleEmotesByLineHeight;
 
     for (auto &word : this->message->getWords()) {
@@ -262,8 +275,12 @@ const std::vector<WordPart> &MessageRef::getWordParts() const
     return this->wordParts;
 }
 
-void MessageRef::alignWordParts(int lineStart, int lineHeight, int width)
+void MessageRef::alignWordParts(int lineStart, int lineHeight, int width, int &firstLineHeight)
 {
+    if (firstLineHeight == -1) {
+        firstLineHeight = lineHeight;
+    }
+
     int xOffset = 0;
 
     if (this->message->centered && this->wordParts.size() > 0) {
@@ -399,5 +416,22 @@ int MessageRef::getSelectionIndex(QPoint position)
     return index;
 }
 
+bool MessageRef::isCollapsed() const
+{
+    return this->collapsed;
+}
+
+void MessageRef::setCollapsed(bool value)
+{
+    if (this->collapsed != value) {
+        this->currentLayoutWidth = 0;
+        this->collapsed = value;
+    }
+}
+
+int MessageRef::getCollapsedHeight() const
+{
+    return this->collapsedHeight;
+}
 }  // namespace messages
 }  // namespace chatterino

src/messages/messageref.hpp

@@ -22,7 +22,7 @@ public:
     Message *getMessage();
     int getHeight() const;
 
-    bool layout(int width, float dpiMultiplyer);
+    bool layout(int width, float dpiMultiplier);
 
     const std::vector<WordPart> &getWordParts() const;
 
@@ -33,6 +33,10 @@ public:
     int getLastCharacterIndex() const;
     int getSelectionIndex(QPoint position);
 
+    bool isCollapsed() const;
+    void setCollapsed(bool value);
+    int getCollapsedHeight() const;
+
 private:
     // variables
     SharedMessage message;
@@ -43,13 +47,16 @@ private:
     int currentLayoutWidth = -1;
     int fontGeneration = -1;
     int emoteGeneration = -1;
-    float dpiMultiplyer = -1;
+    float dpiMultiplier = -1;
 
     Word::Type currentWordTypes = Word::None;
 
+    bool collapsed;
+    int collapsedHeight = 32;
+
     // methods
     void actuallyLayout(int width);
-    void alignWordParts(int lineStart, int lineHeight, int width);
+    void alignWordParts(int lineStart, int lineHeight, int width, int &firstLineHeight);
     void updateTextSizes();
     void updateImageSizes();
 };

src/messages/word.hpp

@@ -80,6 +80,9 @@ public:
 
         AlwaysShow = (1 << 25),
 
+        // used in the ChannelView class to make the collapse buttons visible if needed
+        Collapsed = (1 << 26),
+
         Default = TimestampNoSeconds | Badges | Username | BitsStatic | FfzEmoteImage |
                   BttvEmoteImage | BttvGifEmoteImage | TwitchEmoteImage | BitsAmount | Text |
                   ButtonBan | ButtonTimeout | AlwaysShow

src/resources.cpp

@@ -26,6 +26,7 @@ Resources::Resources()
     , badgePremium(lli(":/images/twitchprime_bg.png"))
     , badgeVerified(lli(":/images/verified.png", 0.25))
     , badgeSubscriber(lli(":/images/subscriber.png", 0.25))
+    , badgeCollapsed(lli(":/images/collapse.png"))
     , cheerBadge100000(lli(":/images/cheer100000"))
     , cheerBadge10000(lli(":/images/cheer10000"))
     , cheerBadge5000(lli(":/images/cheer5000"))

src/resources.hpp

@@ -22,6 +22,7 @@ public:
     messages::LazyLoadedImage *badgePremium;
     messages::LazyLoadedImage *badgeVerified;
     messages::LazyLoadedImage *badgeSubscriber;
+    messages::LazyLoadedImage *badgeCollapsed;
 
     messages::LazyLoadedImage *cheerBadge100000;
     messages::LazyLoadedImage *cheerBadge10000;

src/twitch/twitchmessagebuilder.cpp

@@ -41,6 +41,10 @@ SharedMessage TwitchMessageBuilder::parse()
 
     this->parseUsername();
 
+    //    this->message->setCollapsedDefault(true);
+    //    this->appendWord(Word(this->resources.badgeCollapsed, Word::Collapsed, QString(),
+    //    QString()));
+
     // The timestamp is always appended to the builder
     // Whether or not will be rendered is decided/checked later
     this->appendTimestamp();

src/widgets/helper/channelview.cpp

@@ -729,11 +729,19 @@ void ChannelView::mouseMoveEvent(QMouseEvent *event)
     QPoint relativePos;
     int messageIndex;
 
+    // no message under cursor
     if (!tryGetMessageAt(event->pos(), message, relativePos, messageIndex)) {
-        setCursor(Qt::ArrowCursor);
+        this->setCursor(Qt::ArrowCursor);
         return;
     }
 
+    // message under cursor is collapsed
+    if (message->isCollapsed()) {
+        this->setCursor(Qt::PointingHandCursor);
+        return;
+    }
+
+    // is selecting
     if (this->selecting) {
         int index = message->getSelectionIndex(relativePos);
 
@@ -742,16 +750,18 @@ void ChannelView::mouseMoveEvent(QMouseEvent *event)
         this->repaint();
     }
 
+    // check if word underneath cursor
     const messages::Word *hoverWord;
     if ((hoverWord = message->tryGetWordPart(relativePos)) == nullptr) {
-        setCursor(Qt::ArrowCursor);
+        this->setCursor(Qt::ArrowCursor);
         return;
     }
 
+    // check if word has a link
     if (hoverWord->getLink().isValid()) {
-        setCursor(Qt::PointingHandCursor);
+        this->setCursor(Qt::PointingHandCursor);
     } else {
-        setCursor(Qt::ArrowCursor);
+        this->setCursor(Qt::ArrowCursor);
     }
 }
 
@@ -787,6 +797,11 @@ void ChannelView::mousePressEvent(QMouseEvent *event)
         return;
     }
 
+    // check if message is collapsed
+    if (message->isCollapsed()) {
+        return;
+    }
+
     int index = message->getSelectionIndex(relativePos);
 
     auto selectionItem = SelectionItem(messageIndex, index);
@@ -831,6 +846,13 @@ void ChannelView::mouseReleaseEvent(QMouseEvent *event)
         return;
     }
 
+    // message under cursor is collapsed
+    if (message->isCollapsed()) {
+        message->setCollapsed(false);
+        this->layoutMessages();
+        return;
+    }
+
     const messages::Word *hoverWord;
 
     if ((hoverWord = message->tryGetWordPart(relativePos)) == nullptr) {