Fix unintentional search focus.

Telegram/SourceFiles/chat_helpers/tabbed_section.cpp

@@ -28,6 +28,9 @@ TabbedSection::TabbedSection(
 	not_null<Window::SessionController*> controller)
 : Window::SectionWidget(parent, controller)
 , _selector(controller->tabbedSelector()) {
+	if (Ui::InFocusChain(_selector)) {
+		parent->window()->setFocus();
+	}
 	_selector->setParent(this);
 	_selector->setRoundRadius(0);
 	_selector->setGeometry(rect());

Telegram/SourceFiles/mainwidget.cpp

@@ -1772,7 +1772,7 @@ void MainWidget::showNewSection(
 		_thirdSection = std::move(newThirdSection);
 		_thirdSection->removeRequests(
 		) | rpl::start_with_next([=] {
-			_thirdSection.destroy();
+			destroyThirdSection();
 			_thirdShadow.destroy();
 			updateControlsGeometry();
 		}, _thirdSection->lifetime());
@@ -2289,7 +2289,7 @@ void MainWidget::updateControlsGeometry() {
 			}
 		}
 	} else {
-		_thirdSection.destroy();
+		destroyThirdSection();
 		_thirdShadow.destroy();
 	}
 	const auto mainSectionTop = getMainSectionTop();
@@ -2408,6 +2408,15 @@ void MainWidget::updateControlsGeometry() {
 	floatPlayerUpdatePositions();
 }
 
+void MainWidget::destroyThirdSection() {
+	if (const auto strong = _thirdSection.data()) {
+		if (Ui::InFocusChain(strong)) {
+			setFocus();
+		}
+	}
+	_thirdSection.destroy();
+}
+
 void MainWidget::refreshResizeAreas() {
 	if (!isOneColumn() && _dialogs) {
 		ensureFirstColumnResizeAreaCreated();
@@ -2555,7 +2564,7 @@ void MainWidget::updateThirdColumnToCurrentChat(
 		if (saveThirdSectionToStackBack()) {
 			_stack.back()->setThirdSectionMemento(
 				_thirdSection->createMemento());
-			_thirdSection.destroy();
+			destroyThirdSection();
 		}
 	};
 	auto &settings = Core::App().settings();
@@ -2601,7 +2610,7 @@ void MainWidget::updateThirdColumnToCurrentChat(
 		settings.setTabbedReplacedWithInfo(false);
 		if (!key) {
 			if (_thirdSection) {
-				_thirdSection.destroy();
+				destroyThirdSection();
 				_thirdShadow.destroy();
 				updateControlsGeometry();
 			}

Telegram/SourceFiles/mainwidget.h

@@ -279,6 +279,7 @@ private:
 	void showNewSection(
 		std::shared_ptr<Window::SectionMemento> memento,
 		const SectionShow &params);
+	void destroyThirdSection();
 
 	Window::SectionSlideParams prepareThirdSectionAnimation(Window::SectionWidget *section);