Make sidebar topic expand on click and fix html formatting of elided text. (#96)

Fixes #95

include/TopRoomBar.h

@@ -29,6 +29,7 @@
 
 #include "Avatar.h"
 #include "FlatButton.h"
+#include "Label.h"
 #include "LeaveRoomDialog.h"
 #include "Menu.h"
 #include "OverlayModal.h"
@@ -58,6 +59,7 @@ signals:
 
 protected:
         void paintEvent(QPaintEvent *event) override;
+        void mousePressEvent(QMouseEvent *event) override;
 
 private slots:
         void closeLeaveRoomDialog(bool leaving);
@@ -67,7 +69,7 @@ private:
         QVBoxLayout *textLayout_;
 
         QLabel *nameLabel_;
-        QLabel *topicLabel_;
+        Label *topicLabel_;
 
         QSharedPointer<RoomSettings> roomSettings_;
 
@@ -112,7 +114,6 @@ TopRoomBar::updateRoomName(const QString &name)
 inline void
 TopRoomBar::updateRoomTopic(QString topic)
 {
-        topic.replace(URL_REGEX, URL_HTML);
         roomTopic_ = topic;
         update();
 }

include/ui/Label.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <QLabel>
+
+class Label : public QLabel
+{
+        Q_OBJECT
+
+public:
+        explicit Label(QWidget *parent = Q_NULLPTR, Qt::WindowFlags f = Qt::WindowFlags());
+        explicit Label(const QString &text,
+                       QWidget *parent   = Q_NULLPTR,
+                       Qt::WindowFlags f = Qt::WindowFlags());
+        ~Label() override {}
+
+signals:
+        void clicked(QMouseEvent *e);
+        void pressed(QMouseEvent *e);
+        void released(QMouseEvent *e);
+
+protected:
+        void mousePressEvent(QMouseEvent *e) override;
+        void mouseReleaseEvent(QMouseEvent *e) override;
+
+        QPoint pressPosition_;
+};