Keep notification independent of main window minimization

tools/chatgui/src/message_notification.cpp

@@ -13,8 +13,8 @@
 #include <QHideEvent>
 #include <QCloseEvent>
 
-MessageNotification::MessageNotification(QWidget* parent)
-    : QWidget(parent, Qt::Tool | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | Qt::WindowDoesNotAcceptFocus)
+MessageNotification::MessageNotification()
+    : QWidget(nullptr, Qt::Tool | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | Qt::WindowDoesNotAcceptFocus)
     , m_activity(new UserActivityMonitor(this))
 {
     setObjectName("messageNotification");
@@ -67,9 +67,10 @@ MessageNotification::~MessageNotification() {
               qPrintable(m_target), int(isVisible()), int(m_hideTimer.isActive()));
 }
 
-void MessageNotification::showMessage(const QString& target, const QString& sender, const QString& channel, const QRect& trayGeometry) {
+void MessageNotification::showMessage(const QString& target, const QString& sender, const QString& channel,
+                                     const QRect& trayGeometry, QScreen* preferredScreen) {
     QScreen* screen = trayGeometry.isEmpty() ? nullptr : QGuiApplication::screenAt(trayGeometry.center());
-    if (!screen && parentWidget()) screen = parentWidget()->screen();
+    if (!screen) screen = preferredScreen;
     if (!screen) screen = QGuiApplication::primaryScreen();
     if (!screen || screen->availableGeometry().isEmpty()) {
         GUI_ERROR("notification: no available screen target=%s", qPrintable(target));

tools/chatgui/src/message_notification.h

@@ -6,14 +6,16 @@
 #include <QTimer>
 
 class QLabel;
+class QScreen;
 class UserActivityMonitor;
 
 class MessageNotification : public QWidget {
     Q_OBJECT
 public:
-    explicit MessageNotification(QWidget* parent = nullptr);
+    MessageNotification();
     ~MessageNotification() override;
-    void showMessage(const QString& target, const QString& sender, const QString& channel, const QRect& trayGeometry);
+    void showMessage(const QString& target, const QString& sender, const QString& channel,
+                     const QRect& trayGeometry, QScreen* preferredScreen = nullptr);
     void dismiss(const char* reason);
 
 signals: