Attempt to fix window geometry restore on Windows.

ui/platform/linux/ui_utility_linux.cpp

@@ -615,5 +615,11 @@ void ShowWindowMenu(not_null<QWidget*> widget, const QPoint &point) {
 #endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
 }
 
+void SetGeometryWithPossibleScreenChange(
+		not_null<QWidget*> widget,
+		QRect geometry) {
+	widget->setGeometry(geometry);
+}
+
 } // namespace Platform
 } // namespace Ui

ui/platform/mac/ui_utility_mac.mm

@@ -164,5 +164,11 @@ std::optional<bool> IsOverlapped(
 	return false;
 }
 
+void SetGeometryWithPossibleScreenChange(
+		not_null<QWidget*> widget,
+		QRect geometry) {
+	widget->setGeometry(geometry);
+}
+
 } // namespace Platform
 } // namespace Ui

ui/platform/ui_platform_utility.h

@@ -45,6 +45,10 @@ void ShowWindowMenu(not_null<QWidget*> widget, const QPoint &point);
 
 void FixPopupMenuNativeEmojiPopup(not_null<PopupMenu*> menu);
 
+void SetGeometryWithPossibleScreenChange(
+    not_null<QWidget*> widget,
+    QRect geometry);
+
 } // namespace Ui::Platform
 
 // Platform dependent implementations.

ui/platform/win/ui_utility_win.cpp

@@ -16,6 +16,10 @@
 #include <wrl/client.h>
 #include <Shobjidl.h>
 
+#include "base/event_filter.h"
+#include <QTimer>
+#include <QScreen>
+
 using namespace Microsoft::WRL;
 
 namespace Ui::Platform {
@@ -177,4 +181,19 @@ void FixPopupMenuNativeEmojiPopup(not_null<PopupMenu*> menu) {
 		menu->lifetime().make_state<Filter>(menu));
 }
 
+void SetGeometryWithPossibleScreenChange(
+		not_null<QWidget*> widget,
+		QRect geometry) {
+	const auto screen = QGuiApplication::screenAt(geometry.center());
+	const auto window = widget->window();
+	window->createWinId();
+	const auto handle = window->windowHandle();
+	if (handle->screen() != screen) {
+		handle->setScreen(screen);
+		window->move(screen->availableGeometry().topLeft());
+		window->show();
+	}
+	widget->setGeometry(geometry);
+}
+
 } // namespace Ui::Platform

ui/platform/win/ui_window_win.cpp

@@ -356,7 +356,9 @@ void WindowHelper::setFixedSize(QSize size) {
 }
 
 void WindowHelper::setGeometry(QRect rect) {
-	window()->setGeometry(rect.marginsAdded({ 0, titleHeight(), 0, 0 }));
+	SetGeometryWithPossibleScreenChange(
+		window(),
+		rect.marginsAdded({ 0, titleHeight(), 0, 0 }));
 }
 
 void WindowHelper::showFullScreen() {

ui/ui_utility.cpp

@@ -252,4 +252,10 @@ QPoint MapFrom(
 	return { MapFrom(to, from, rect.topLeft()), rect.size() };
 }
 
+void SetGeometryWithPossibleScreenChange(
+		not_null<QWidget*> widget,
+		QRect geometry) {
+	Platform::SetGeometryWithPossibleScreenChange(widget, geometry);
+}
+
 } // namespace Ui

ui/ui_utility.h

@@ -207,4 +207,8 @@ int WheelDirection(not_null<QWheelEvent*> e);
 	not_null<QWidget*> from,
 	QRect rect);
 
+void SetGeomtryWithPossibleScreenChange(
+	not_null<QWidget*> widget,
+	QRect geometry);
+
 } // namespace Ui