Added initial implementation of display sections prevent.

Telegram/SourceFiles/history/history_widget.cpp

@@ -3914,6 +3914,14 @@ void HistoryWidget::setTabbedPanel(std::unique_ptr<TabbedPanel> panel) {
 	}
 }
 
+bool HistoryWidget::preventsClose(Fn<void()> &&continueCallback) const {
+	if (isRecording()) {
+		_voiceRecordBar->showDiscardRecordingBox(std::move(continueCallback));
+		return true;
+	}
+	return false;
+}
+
 void HistoryWidget::toggleTabbedSelectorMode() {
 	if (!_peer) {
 		return;

Telegram/SourceFiles/history/history_widget.h

@@ -119,6 +119,8 @@ public:
 
 	void historyLoaded();
 
+	[[nodiscard]] bool preventsClose(Fn<void()> &&continueCallback) const;
+
 	// When resizing the widget with top edge moved up or down and we
 	// want to add this top movement to the scroll position, so inner
 	// content will not move.

Telegram/SourceFiles/history/view/controls/history_view_compose_controls.cpp

@@ -2138,6 +2138,14 @@ bool ComposeControls::isRecording() const {
 	return _voiceRecordBar->isRecording();
 }
 
+bool ComposeControls::preventsClose(Fn<void()> &&continueCallback) const {
+	if (isRecording()) {
+		_voiceRecordBar->showDiscardRecordingBox(std::move(continueCallback));
+		return true;
+	}
+	return false;
+}
+
 void ComposeControls::updateInlineBotQuery() {
 	if (!_history) {
 		return;

Telegram/SourceFiles/history/view/controls/history_view_compose_controls.h

@@ -135,6 +135,8 @@ public:
 	[[nodiscard]] bool isEditingMessage() const;
 	[[nodiscard]] FullMsgId replyingToMessage() const;
 
+	[[nodiscard]] bool preventsClose(Fn<void()> &&continueCallback) const;
+
 	void showForGrab();
 	void showStarted();
 	void showFinished();

Telegram/SourceFiles/history/view/controls/history_view_voice_record_bar.cpp

@@ -1536,9 +1536,10 @@ void VoiceRecordBar::installClickOutsideFilter() {
 		} else if (type == QEvent::ContextMenu || type == QEvent::Shortcut) {
 			return Type::ShowBox;
 		} else if (type == QEvent::MouseButtonPress) {
-			return (noBox && !_inField.current() && !_lock->underMouse())
+			return Type::Continue;
-				? Type::ShowBox
+			// return (noBox && !_inField.current() && !_lock->underMouse())
-				: Type::Continue;
+			// 	? Type::ShowBox
+			// 	: Type::Continue;
 		}
 		return Type::Continue;
 	};
@@ -1609,4 +1610,22 @@ void VoiceRecordBar::installListenStateFilter() {
 		std::move(keyFilter));
 }
 
+void VoiceRecordBar::showDiscardRecordingBox(Fn<void()> &&callback) {
+	if (!isRecording()) {
+		return;
+	}
+	auto sure = [=, callback = std::move(callback)](Fn<void()> &&close) {
+		hideFast();
+		close();
+		if (callback) {
+			callback();
+		}
+	};
+	Ui::show(Box<ConfirmBox>(
+		tr::lng_record_lock_cancel_sure(tr::now),
+		tr::lng_record_lock_discard(tr::now),
+		st::attentionBoxButton,
+		std::move(sure)));
+}
+
 } // namespace HistoryView::Controls

Telegram/SourceFiles/history/view/controls/history_view_voice_record_bar.h

@@ -47,6 +47,8 @@ public:
 		int recorderHeight);
 	~VoiceRecordBar();
 
+	void showDiscardRecordingBox(Fn<void()> &&callback);
+
 	void startRecording();
 	void finishAnimating();
 	void hideAnimated();

Telegram/SourceFiles/history/view/history_view_replies_section.cpp

@@ -1315,6 +1315,10 @@ Dialogs::RowDescriptor RepliesWidget::activeChat() const {
 	};
 }
 
+bool RepliesWidget::preventsClose(Fn<void()> &&continueCallback) const {
+	return _composeControls->preventsClose(std::move(continueCallback));
+}
+
 QPixmap RepliesWidget::grabForShowAnimation(const Window::SectionSlideParams &params) {
 	_topBar->updateControlsVisibility();
 	if (params.withTopBarShadow) _topBarShadow->hide();

Telegram/SourceFiles/history/view/history_view_replies_section.h

@@ -75,6 +75,7 @@ public:
 
 	[[nodiscard]] not_null<History*> history() const;
 	Dialogs::RowDescriptor activeChat() const override;
+	bool preventsClose(Fn<void()> &&continueCallback) const override;
 
 	bool hasTopBarShadow() const override {
 		return true;

Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp

@@ -894,6 +894,10 @@ Dialogs::RowDescriptor ScheduledWidget::activeChat() const {
 	};
 }
 
+bool ScheduledWidget::preventsClose(Fn<void()> &&continueCallback) const {
+	return _composeControls->preventsClose(std::move(continueCallback));
+}
+
 QPixmap ScheduledWidget::grabForShowAnimation(const Window::SectionSlideParams &params) {
 	_topBar->updateControlsVisibility();
 	if (params.withTopBarShadow) _topBarShadow->hide();

Telegram/SourceFiles/history/view/history_view_scheduled_section.h

@@ -60,6 +60,7 @@ public:
 
 	not_null<History*> history() const;
 	Dialogs::RowDescriptor activeChat() const override;
+	bool preventsClose(Fn<void()> &&continueCallback) const override;
 
 	bool hasTopBarShadow() const override {
 		return true;

Telegram/SourceFiles/mainwidget.cpp

@@ -1403,6 +1403,7 @@ void MainWidget::ui_showPeerHistory(
 		PeerId peerId,
 		const SectionShow &params,
 		MsgId showAtMsgId) {
+
 	if (auto peer = session().data().peerLoaded(peerId)) {
 		if (peer->migrateTo()) {
 			peer = peer->migrateTo();
@@ -1423,6 +1424,13 @@ void MainWidget::ui_showPeerHistory(
 		return;
 	}
 
+	if (!(_history->peer() && _history->peer()->id == peerId)
+		&& preventsCloseSection(
+			[=] { ui_showPeerHistory(peerId, params, showAtMsgId); },
+			params)) {
+		return;
+	}
+
 	using OriginMessage = SectionShow::OriginMessage;
 	if (const auto origin = std::get_if<OriginMessage>(&params.origin)) {
 		if (const auto returnTo = session().data().message(origin->id)) {
@@ -1618,13 +1626,22 @@ void MainWidget::showSection(
 	//	return;
 	}
 
+	using MementoPtr = std::unique_ptr<Window::SectionMemento>;
+	const auto sharedMemento = std::make_shared<MementoPtr>(
+		std::move(memento));
+	if (preventsCloseSection(
+		[=] { showSection(base::take(*sharedMemento), params); },
+		params)) {
+		return;
+	}
+
 	// If the window was not resized, but we've enabled
 	// tabbedSelectorSectionEnabled or thirdSectionInfoEnabled
 	// we need to update adaptive layout to Adaptive::ThirdColumn().
 	updateColumnLayout();
 
 	showNewSection(
-		std::move(memento),
+		std::move(*sharedMemento),
 		params);
 }
 
@@ -1880,8 +1897,24 @@ bool MainWidget::stackIsEmpty() const {
 	return _stack.empty();
 }
 
+bool MainWidget::preventsCloseSection(
+		Fn<void()> callback,
+		const SectionShow &params) const {
+	if (params.thirdColumn || Core::App().passcodeLocked()) {
+		return false;
+	}
+	auto copy = callback;
+	return (_mainSection && _mainSection->preventsClose(std::move(copy)))
+		|| (_history && _history->preventsClose(std::move(callback)));
+}
+
 void MainWidget::showBackFromStack(
 		const SectionShow &params) {
+
+	if (preventsCloseSection([=] { showBackFromStack(params); }, params)) {
+		return;
+	}
+
 	if (selectingPeer()) {
 		return;
 	}

Telegram/SourceFiles/mainwidget.h

@@ -274,6 +274,9 @@ private:
 		std::unique_ptr<Window::SectionMemento> &&memento,
 		const SectionShow &params);
 	void dropMainSection(Window::SectionWidget *widget);
+	bool preventsCloseSection(
+		Fn<void()> callback,
+		const SectionShow &params) const;
 
 	Window::SectionSlideParams prepareThirdSectionAnimation(Window::SectionWidget *section);
 

Telegram/SourceFiles/window/section_widget.h

@@ -129,6 +129,10 @@ public:
 		return false;
 	}
 
+	virtual bool preventsClose(Fn<void()> &&continueCallback) const {
+		return false;
+	}
+
 	// Create a memento of that section to store it in the history stack.
 	// This method may modify the section ("take" heavy items).
 	virtual std::unique_ptr<SectionMemento> createMemento();