Changed behavior to hide field buttons in HistoryWidget with typed text.

Telegram/SourceFiles/chat_helpers/field_characters_count_manager.cpp

@@ -0,0 +1,36 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "chat_helpers/field_characters_count_manager.h"
+
+FieldCharsCountManager::FieldCharsCountManager() = default;
+
+void FieldCharsCountManager::setCount(int count) {
+	_previous = _current;
+	_current = count;
+	if (_previous != _current) {
+		constexpr auto kMax = 15;
+		const auto was = (_previous > kMax);
+		const auto now = (_current > kMax);
+		if (was != now) {
+			_isLimitExceeded = now;
+			_limitExceeds.fire({});
+		}
+	}
+}
+
+int FieldCharsCountManager::count() const {
+	return _current;
+}
+
+bool FieldCharsCountManager::isLimitExceeded() const {
+	return _isLimitExceeded;
+}
+
+rpl::producer<> FieldCharsCountManager::limitExceeds() const {
+	return _limitExceeds.events();
+}

Telegram/SourceFiles/chat_helpers/field_characters_count_manager.h

@@ -0,0 +1,26 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+class FieldCharsCountManager final {
+public:
+	FieldCharsCountManager();
+
+	void setCount(int count);
+	[[nodiscard]] int count() const;
+	[[nodiscard]] bool isLimitExceeded() const;
+	[[nodiscard]] rpl::producer<> limitExceeds() const;
+
+private:
+	int _current = 0;
+	int _previous = 0;
+	bool _isLimitExceeded = false;
+
+	rpl::event_stream<> _limitExceeds;
+
+};

Telegram/SourceFiles/history/history_widget.cpp

@@ -423,6 +423,22 @@ HistoryWidget::HistoryWidget(
 	});
 	InitMessageFieldFade(_field, st::historyComposeField.textBg);
 
+	_fieldCharsCountManager.limitExceeds(
+	) | rpl::start_with_next([=] {
+		const auto hide = _fieldCharsCountManager.isLimitExceeded();
+		if (_silent) {
+			_silent->setVisible(!hide);
+		}
+		if (_ttlInfo) {
+			_ttlInfo->setVisible(!hide);
+		}
+		if (_scheduled) {
+			_scheduled->setVisible(!hide);
+		}
+		updateFieldSize();
+		moveFieldControls();
+	}, lifetime());
+
 	_keyboard->sendCommandRequests(
 	) | rpl::start_with_next([=](Bot::SendCommandRequest r) {
 		sendBotCommand(r);
@@ -1673,7 +1689,7 @@ void HistoryWidget::fieldChanged() {
 		}
 	});
 
-	checkCharsLimitation();
+	checkCharsCount();
 
 	updateSendButtonType();
 	if (!HasSendText(_field)) {
@@ -1998,7 +2014,6 @@ bool HistoryWidget::applyDraft(FieldHistoryAction fieldHistoryAction) {
 	updateControlsVisibility();
 	updateControlsGeometry();
 	refreshTopBarActiveChat();
-	checkCharsLimitation();
 	if (_editMsgId) {
 		updateReplyEditTexts();
 		if (!_replyEditMsg) {
@@ -2388,6 +2403,7 @@ void HistoryWidget::showHistory(
 		if (!applyDraft()) {
 			clearFieldText();
 		}
+		checkCharsCount();
 		_send->finishAnimating();
 
 		updateControlsGeometry();
@@ -2813,6 +2829,7 @@ bool HistoryWidget::canWriteMessage() const {
 
 void HistoryWidget::updateControlsVisibility() {
 	auto fieldDisabledRemoved = (_fieldDisabled != nullptr);
+	const auto hideExtraButtons = _fieldCharsCountManager.isLimitExceeded();
 	const auto guard = gsl::finally([&] {
 		if (fieldDisabledRemoved) {
 			_fieldDisabled = nullptr;
@@ -2999,7 +3016,7 @@ void HistoryWidget::updateControlsVisibility() {
 			auto rightButtonsChanged = false;
 			if (_silent) {
 				const auto was = _silent->isVisible();
-				const auto now = (!_editMsgId);
+				const auto now = (!_editMsgId) && (!hideExtraButtons);
 				if (was != now) {
 					_silent->setVisible(now);
 					rightButtonsChanged = true;
@@ -3007,7 +3024,7 @@ void HistoryWidget::updateControlsVisibility() {
 			}
 			if (_scheduled) {
 				const auto was = _scheduled->isVisible();
-				const auto now = (!_editMsgId);
+				const auto now = (!_editMsgId) && (!hideExtraButtons);
 				if (was != now) {
 					_scheduled->setVisible(now);
 					rightButtonsChanged = true;
@@ -3015,7 +3032,7 @@ void HistoryWidget::updateControlsVisibility() {
 			}
 			if (_ttlInfo) {
 				const auto was = _ttlInfo->isVisible();
-				const auto now = (!_editMsgId);
+				const auto now = (!_editMsgId) && (!hideExtraButtons);
 				if (was != now) {
 					_ttlInfo->setVisible(now);
 					rightButtonsChanged = true;
@@ -3936,7 +3953,7 @@ void HistoryWidget::saveEditMsg() {
 		const auto maxCaptionSize = !hasMediaWithCaption
 			? MaxMessageSize
 			: Data::PremiumLimits(&session()).captionLengthCurrent();
-		const auto remove = Ui::FieldCharacterCount(_field) - maxCaptionSize;
+		const auto remove = _fieldCharsCountManager.count() - maxCaptionSize;
 		if (remove > 0) {
 			controller()->showToast(
 				tr::lng_edit_limit_reached(tr::now, lt_count, remove));
@@ -4826,7 +4843,7 @@ bool HistoryWidget::updateCmdStartShown() {
 	} else if (!_botMenu.button) {
 		buttonChanged = true;
 		_botMenu.text = bot->botInfo->botMenuButtonText;
-		_botMenu.small = (Ui::FieldCharacterCount(_field) > kSmallMenuAfter);
+		_botMenu.small = (_fieldCharsCountManager.count() > kSmallMenuAfter);
 		if (_botMenu.small) {
 			if (const auto e = FirstEmoji(_botMenu.text); !e.isEmpty()) {
 				_botMenu.text = e;
@@ -4863,7 +4880,7 @@ bool HistoryWidget::updateCmdStartShown() {
 			}
 		}, _botMenu.button->lifetime());
 	}
-	const auto textSmall = Ui::FieldCharacterCount(_field) > kSmallMenuAfter;
+	const auto textSmall = _fieldCharsCountManager.count() > kSmallMenuAfter;
 	const auto textChanged = _botMenu.button
 		&& ((_botMenu.text != bot->botInfo->botMenuButtonText)
 		|| (_botMenu.small != textSmall));
@@ -7378,6 +7395,11 @@ void HistoryWidget::showPremiumToast(not_null<DocumentData*> document) {
 	_stickerToast->showFor(document);
 }
 
+void HistoryWidget::checkCharsCount() {
+	_fieldCharsCountManager.setCount(Ui::FieldCharacterCount(_field));
+	checkCharsLimitation();
+}
+
 void HistoryWidget::checkCharsLimitation() {
 	if (!_history || !_editMsgId) {
 		_charsLimitation = nullptr;
@@ -7393,7 +7415,7 @@ void HistoryWidget::checkCharsLimitation() {
 	const auto maxCaptionSize = !hasMediaWithCaption
 		? MaxMessageSize
 		: Data::PremiumLimits(&session()).captionLengthCurrent();
-	const auto remove = Ui::FieldCharacterCount(_field) - maxCaptionSize;
+	const auto remove = _fieldCharsCountManager.count() - maxCaptionSize;
 	if (remove > 0) {
 		if (!_charsLimitation) {
 			_charsLimitation = base::make_unique_q<CharactersLimitLabel>(
@@ -7425,7 +7447,7 @@ void HistoryWidget::setFieldText(
 	_textUpdateEvents = TextUpdateEvent::SaveDraft
 		| TextUpdateEvent::SendTyping;
 
-	checkCharsLimitation();
+	checkCharsCount();
 
 	if (_preview) {
 		_preview->checkNow(false);

Telegram/SourceFiles/history/history_widget.h

@@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/history_view_top_toast.h"
 #include "history/history.h"
 #include "chat_helpers/field_autocomplete.h"
+#include "chat_helpers/field_characters_count_manager.h"
 #include "window/section_widget.h"
 #include "ui/widgets/fields/input_field.h"
 #include "mtproto/sender.h"
@@ -646,6 +647,7 @@ private:
 
 	void switchToSearch(QString query);
 
+	void checkCharsCount();
 	void checkCharsLimitation();
 
 	MTP::Sender _api;
@@ -785,6 +787,8 @@ private:
 	object_ptr<Ui::ScrollArea> _kbScroll;
 	const not_null<BotKeyboard*> _keyboard;
 
+	FieldCharsCountManager _fieldCharsCountManager;
+
 	std::unique_ptr<Ui::ChooseThemeController> _chooseTheme;
 
 	object_ptr<Ui::InnerDropdown> _membersDropdown = { nullptr };

Telegram/cmake/td_ui.cmake

@@ -63,6 +63,8 @@ PRIVATE
     calls/group/ui/desktop_capture_choose_source.cpp
     calls/group/ui/desktop_capture_choose_source.h
 
+    chat_helpers/field_characters_count_manager.cpp
+    chat_helpers/field_characters_count_manager.h
     chat_helpers/stickers_emoji_image_loader.cpp
     chat_helpers/stickers_emoji_image_loader.h