Larger user card drag area

src/widgets/dialogs/UserInfoPopup.cpp

@@ -136,6 +136,7 @@ UserInfoPopup::UserInfoPopup(bool closeAutomatically, QWidget *parent)
 {
     this->setWindowTitle("Usercard");
     this->setStayInScreenRect(true);
+    this->setMouseTracking(true);
 
     if (closeAutomatically)
         this->setActionOnFocusLoss(BaseWindow::Delete);
@@ -453,6 +454,34 @@ void UserInfoPopup::scaleChangedEvent(float /*scale*/)
     });
 }
 
+void UserInfoPopup::mousePressEvent(QMouseEvent *event)
+{
+    if (event->button() == Qt::MouseButton::LeftButton)
+    {
+        this->isDragging_ = true;
+        this->startPosDrag_ = event->pos();
+    }
+}
+
+void UserInfoPopup::mouseReleaseEvent(QMouseEvent *event)
+{
+    this->isDragging_ = false;
+    this->isMoving_ = false;
+}
+
+void UserInfoPopup::mouseMoveEvent(QMouseEvent *event)
+{
+    // Drag the window by the amount changed from inital position
+    // Note that we provide a few *units* of deadzone so people don't
+    // start dragging the window if they are slow at clicking.
+    auto movePos = event->pos() - this->startPosDrag_;
+    if (this->isMoving_ || movePos.manhattanLength() > 10.0)
+    {
+        move(window()->pos() + movePos);
+        this->isMoving_ = true;
+    }
+}
+
 void UserInfoPopup::installEvents()
 {
     std::shared_ptr<bool> ignoreNext = std::make_shared<bool>(false);

src/widgets/dialogs/UserInfoPopup.hpp

@@ -26,6 +26,9 @@ class UserInfoPopup final : public BaseWindow
 protected:
     virtual void themeChangedEvent() override;
     virtual void scaleChangedEvent(float scale) override;
+    void mousePressEvent(QMouseEvent *event) override;
+    void mouseReleaseEvent(QMouseEvent *event) override;
+    void mouseMoveEvent(QMouseEvent *event) override;
 
 private:
     void installEvents();
@@ -41,6 +44,10 @@ class UserInfoPopup final : public BaseWindow
     QString avatarUrl_;
     ChannelPtr channel_;
 
+    bool isDragging_ = false;
+    bool isMoving_ = false;
+    QPoint startPosDrag_;
+
     pajlada::Signals::NoArgSignal userStateChanged_;
 
     std::unique_ptr<pajlada::Signals::ScopedConnection> refreshConnection_;