Qt: Fix log window disabling itself on close

pcsx2-qt/LogWindow.cpp

@@ -76,7 +76,6 @@ void LogWindow::updateSettings()
 	}
 	else if (g_log_window)
 	{
-		g_log_window->m_destroying = true;
 		g_log_window->close();
 		g_log_window->deleteLater();
 		g_log_window = nullptr;
@@ -89,7 +88,6 @@ void LogWindow::destroy()
 	if (!g_log_window)
 		return;
 
-	g_log_window->m_destroying = true;
 	g_log_window->close();
 	g_log_window->deleteLater();
 	g_log_window = nullptr;
@@ -101,8 +99,6 @@ void LogWindow::reattachToMainWindow()
 	if (g_main_window->windowState() & (Qt::WindowMaximized | Qt::WindowFullScreen))
 		return;
 
-	resize(width(), g_main_window->height());
-
 	const QPoint new_pos = g_main_window->pos() + QPoint(g_main_window->width() + 10, 0);
 	if (pos() != new_pos)
 		move(new_pos);
@@ -130,6 +126,7 @@ void LogWindow::updateWindowTitle()
 void LogWindow::createUi()
 {
 	setWindowIcon(QtHost::GetAppIcon());
+	setWindowFlag(Qt::WindowCloseButtonHint, false);
 	updateWindowTitle();
 
 	QAction* action;
@@ -253,16 +250,7 @@ void LogWindow::closeEvent(QCloseEvent* event)
 {
 	Log::SetHostOutputLevel(LOGLEVEL_NONE, nullptr);
 
-	// Save size when actually closing, disable ourselves if the user closed us.
-	if (m_destroying)
-	{
-		saveSize();
-	}
-	else
-	{
-		Host::SetBaseBoolSettingValue("Logging", "EnableLogWindow", false);
-		Host::CommitBaseSettingChanges();
-	}
+	saveSize();
 
 	QMainWindow::closeEvent(event);
 }

pcsx2-qt/LogWindow.h

@@ -48,7 +48,6 @@ private Q_SLOTS:
 	QMenu* m_level_menu;
 
 	bool m_attached_to_main_window = true;
-	bool m_destroying = false;
 };
 
 extern LogWindow* g_log_window;