created directory for dialogs

src/widgets/dialogs/NotificationPopup.cpp

@@ -0,0 +1,50 @@
+#include "NotificationPopup.hpp"
+
+#include "widgets/helper/ChannelView.hpp"
+
+#include <QApplication>
+#include <QDesktopWidget>
+#include <QScreen>
+
+namespace chatterino {
+namespace widgets {
+
+NotificationPopup::NotificationPopup()
+    : BaseWindow((QWidget *)nullptr, BaseWindow::Frameless)
+    , channel(std::make_shared<Channel>("notifications", Channel::None))
+
+{
+    this->channelView = new ChannelView(this);
+
+    auto *layout = new QVBoxLayout(this);
+    this->setLayout(layout);
+
+    layout->addWidget(this->channelView);
+
+    this->channelView->setChannel(this->channel);
+    this->setScaleIndependantSize(300, 150);
+}
+
+void NotificationPopup::updatePosition()
+{
+    Location location = BottomRight;
+
+    QDesktopWidget *desktop = QApplication::desktop();
+    const QRect rect = desktop->availableGeometry();
+
+    switch (location) {
+        case BottomRight: {
+            this->move(rect.right() - this->width(), rect.bottom() - this->height());
+        } break;
+    }
+}
+
+void NotificationPopup::addMessage(messages::MessagePtr msg)
+{
+    this->channel->addMessage(msg);
+
+    //    QTimer::singleShot(5000, this, [this, msg] { this->channel->remove });
+}
+
+}  // namespace widgets
+}  // namespace chatterino