Make the author text slightly large.

Add author color generated based on user id.

src/Utils.cpp

@@ -382,6 +382,23 @@ utils::linkColor()
         return QPalette().color(QPalette::Link).name();
 }
 
+QString
+utils::generateHexColor(const QString &input)
+{
+        auto hash = 0;
+
+        for (int i = 0; i < input.length(); i++) {
+                hash = input.at(i).digitValue() + ((hash << 5) - hash);
+        }
+        hash *= 13;
+        QString colour("#");
+        for (int i = 0; i < 3; i++) {
+                int value = (hash >> (i * 8)) & 0xFF;
+                colour.append(("00" + QString::number(value, 16)).right(2));
+        }
+        return colour;
+}
+
 void
 utils::centerWidget(QWidget *widget, QWidget *parent)
 {

src/Utils.h

@@ -227,6 +227,10 @@ markdownToHtml(const QString &text);
 QString
 linkColor();
 
+//! Given an input string, create a color string
+QString
+generateHexColor(const QString &string);
+
 //! Center a widget in relation to another widget.
 void
 centerWidget(QWidget *widget, QWidget *parent);

src/timeline/TimelineItem.cpp

@@ -622,8 +622,10 @@ TimelineItem::generateUserName(const QString &user_id, const QString &displaynam
                         sender = displayname.split(":")[0].split("@")[1];
         }
 
+        auto userColor = utils::generateHexColor(user_id);
+
         QFont usernameFont;
-        usernameFont.setPointSizeF(usernameFont.pointSizeF());
+        usernameFont.setPointSizeF(usernameFont.pointSizeF() * 1.1);
         usernameFont.setWeight(QFont::Medium);
 
         QFontMetrics fm(usernameFont);
@@ -637,6 +639,8 @@ TimelineItem::generateUserName(const QString &user_id, const QString &displaynam
         userName_->setAlignment(Qt::AlignLeft | Qt::AlignTop);
         userName_->setFixedWidth(QFontMetrics(userName_->font()).width(userName_->text()));
 
+        userName_->setStyleSheet("QLabel { color : " + userColor + "; }");
+
         auto filter = new UserProfileFilter(user_id, userName_);
         userName_->installEventFilter(filter);
         userName_->setCursor(Qt::PointingHandCursor);
@@ -837,4 +841,4 @@ TimelineItem::openRawMessageViewer() const
                             "failed to serialize event ({}, {})", room_id, event_id);
                   }
           });
-}
+}