Support title-aware Window::setGeometry.

ui/platform/mac/ui_window_mac.h

@@ -21,6 +21,7 @@ public:
 	not_null<RpWidget*> body() override;
 	void setTitle(const QString &title) override;
 	void setSizeMin(QSize size) override;
+	void setGeometry(QRect rect) override;
 
 private:
 	class Private;

ui/platform/mac/ui_window_mac.mm

@@ -75,9 +75,9 @@ private:
 class WindowHelper::Private final {
 public:
 	explicit Private(not_null<WindowHelper*> owner);
-	
+
 	[[nodiscard]] int customTitleHeight() const;
-	
+
 private:
 	void init();
 	void initOpenGL();
@@ -91,9 +91,9 @@ private:
 
 	NSWindow * __weak _nativeWindow = nil;
 	NSView * __weak _nativeView = nil;
-	
+
 	std::unique_ptr<LayerCreationChecker> _layerCreationChecker;
-	
+
 	int _customTitleHeight = 0;
 
 };
@@ -205,7 +205,14 @@ void WindowHelper::toggleCustomTitle(bool visible) {
 }
 
 void WindowHelper::setSizeMin(QSize size) {
-	_window->setMinimumSize(size.width(), _title->height() + size.height());
+	_window->setMinimumSize(
+		size.width(),
+		(_title ? _title->height() : 0) + size.height());
+}
+
+void WindowHelper::setGeometry(QRect rect) {
+	_window->setGeometry(
+		rect.marginsAdded({ 0, (_title ? _title->height() : 0), 0, 0 }));
 }
 
 void WindowHelper::init() {

ui/platform/ui_platform_window.h

@@ -17,6 +17,7 @@ public:
 	[[nodiscard]] virtual not_null<RpWidget*> body() = 0;
 	virtual void setTitle(const QString &title) = 0;
 	virtual void setSizeMin(QSize size) = 0;
+	virtual void setGeometry(QRect rect) = 0;
 	virtual ~BasicWindowHelper() = default;
 
 };

ui/platform/win/ui_window_win.cpp

@@ -103,6 +103,10 @@ void WindowHelper::setSizeMin(QSize size) {
 	_window->setMinimumSize(size.width(), _title->height() + size.height());
 }
 
+void WindowHelper::setGeometry(QRect rect) {
+	_window->setGeometry(rect.marginsAdded({ 0, _title->height(), 0, 0 }));
+}
+
 void WindowHelper::init() {
 	style::PaletteChanged(
 	) | rpl::start_with_next([=] {

ui/platform/win/ui_window_win.h

@@ -24,6 +24,7 @@ public:
 	not_null<RpWidget*> body() override;
 	void setTitle(const QString &title) override;
 	void setSizeMin(QSize size) override;
+	void setGeometry(QRect rect) override;
 
 private:
 	class NativeFilter;

ui/widgets/window.cpp

@@ -42,4 +42,12 @@ void Window::setSizeMin(QSize size) {
 	}
 }
 
+void Window::setGeometry(QRect rect) {
+	if (_helper) {
+		_helper->setGeometry(rect);
+	} else {
+		RpWidget::setGeometry(rect);
+	}
+}
+
 } // namespace Ui

ui/widgets/window.h

@@ -23,6 +23,7 @@ public:
 
 	void setTitle(const QString &title);
 	void setSizeMin(QSize size);
+	void setGeometry(QRect rect);
 
 private:
 	const std::unique_ptr<Platform::BasicWindowHelper> _helper;