Fixes #53 last read message indicator

src/messages/layouts/messagelayout.cpp

@@ -145,7 +145,8 @@ void MessageLayout::actuallyLayout(int width, MessageElement::Flags flags)
 }
 
 // Painting
-void MessageLayout::paint(QPainter &painter, int y, int messageIndex, Selection &selection)
+void MessageLayout::paint(QPainter &painter, int y, int messageIndex, Selection &selection,
+                          bool isLastReadMessage, bool isWindowFocused)
 {
     QPixmap *pixmap = this->buffer.get();
     singletons::ThemeManager &themeManager = singletons::ThemeManager::getInstance();
@@ -180,6 +181,16 @@ void MessageLayout::paint(QPainter &painter, int y, int messageIndex, Selection
     // draw gif emotes
     this->container.paintAnimatedElements(painter, y);
 
+    // draw last read message line
+    if (isLastReadMessage) {
+        QColor color = isWindowFocused ? themeManager.tabs.selected.backgrounds.regular.color()
+                                       : themeManager.tabs.selected.backgrounds.unfocused.color();
+
+        QBrush brush = QBrush(color, Qt::VerPattern);
+
+        painter.fillRect(0, y + this->container.getHeight() - 1, this->container.width, 1, brush);
+    }
+
     this->bufferValid = true;
 }
 

src/messages/layouts/messagelayout.hpp

@@ -41,7 +41,8 @@ public:
     bool layout(int width, float scale, MessageElement::Flags flags);
 
     // Painting
-    void paint(QPainter &painter, int y, int messageIndex, Selection &selection);
+    void paint(QPainter &painter, int y, int messageIndex, Selection &selection,
+               bool isLastReadMessage, bool isWindowFocused);
     void invalidateBuffer();
     void deleteBuffer();