Move TextLabel into its own file

src/ui/TextLabel.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <QSize>
+#include <QString>
+#include <QTextBrowser>
+#include <QUrl>
+
+class QMouseEvent;
+class QFocusEvent;
+class QWheelEvent;
+
+class TextLabel : public QTextBrowser
+{
+        Q_OBJECT
+
+public:
+        TextLabel(const QString &text, QWidget *parent = nullptr);
+        TextLabel(QWidget *parent = nullptr);
+
+        void wheelEvent(QWheelEvent *event) override;
+        void clearLinks() { link_.clear(); }
+
+protected:
+        void mousePressEvent(QMouseEvent *e) override;
+        void mouseReleaseEvent(QMouseEvent *e) override;
+        void focusOutEvent(QFocusEvent *e) override;
+
+private slots:
+        void adjustHeight(const QSizeF &size) { setFixedHeight(size.height()); }
+        void handleLinkActivation(const QUrl &link);
+
+signals:
+        void userProfileTriggered(const QString &user_id);
+        void linkActivated(const QUrl &link);
+
+private:
+        QString link_;
+};