Added red coloring of record button.

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

@@ -340,6 +340,24 @@ void VoiceRecordBar::init() {
 		}) | rpl::start_with_next([=] {
 			stop(true);
 		}, _recordingLifetime);
+
+		auto hover = _send->events(
+		) | rpl::filter([=](not_null<QEvent*> e) {
+			return e->type() == QEvent::Enter
+				|| e->type() == QEvent::Leave;
+		}) | rpl::map([=](not_null<QEvent*> e) {
+			return (e->type() == QEvent::Enter);
+		});
+
+		_send->setLockRecord(true);
+		_send->setForceRippled(true);
+		rpl::single(
+			false
+		) | rpl::then(
+			std::move(hover)
+		) | rpl::start_with_next([=](bool enter) {
+			_inField = enter;
+		}, _recordingLifetime);
 	}, lifetime());
 }
 
@@ -482,6 +500,9 @@ void VoiceRecordBar::stop(bool send) {
 		_recordingSamples = 0;
 		_sendActionUpdates.fire({ Api::SendProgressType::RecordVoice, -1 });
 
+		_send->setForceRippled(false);
+		_send->clearRecordState();
+
 		_controller->widget()->setInnerFocus();
 	};
 	_lockShowing = false;

Telegram/SourceFiles/ui/chat/chat.style

@@ -333,7 +333,9 @@ historyRecordVoiceDuration: 120;
 historyRecordVoice: icon {{ "send_control_record", historyRecordVoiceFg }};
 historyRecordVoiceOver: icon {{ "send_control_record", historyRecordVoiceFgOver }};
 historyRecordVoiceActive: icon {{ "send_control_record", historyRecordVoiceFgActive }};
+historyRecordVoiceCancel: icon {{ "send_control_record", attentionButtonFg }};
 historyRecordVoiceRippleBgActive: lightButtonBgOver;
+historyRecordVoiceRippleBgCancel: attentionButtonBgRipple;
 historyRecordSignalColor: attentionButtonFg;
 historyRecordSignalMin: 5px;
 historyRecordSignalMax: 12px;

Telegram/SourceFiles/ui/controls/send_button.cpp

@@ -43,7 +43,7 @@ void SendButton::setType(Type type) {
 		update();
 	}
 	if (_type != Type::Record) {
-		_recordProgress = 0.;
+		clearRecordState();
 	}
 }
 
@@ -73,6 +73,19 @@ void SendButton::requestPaintRecord(float64 progress) {
 	}
 }
 
+void SendButton::setLockRecord(bool lock) {
+	if (_type == Type::Record) {
+		_recordLocked = lock;
+		update();
+	}
+}
+
+void SendButton::clearRecordState() {
+	_recordLocked = false;
+	_recordProgress = 0.;
+	update();
+}
+
 void SendButton::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 
@@ -104,8 +117,17 @@ void SendButton::paintEvent(QPaintEvent *e) {
 void SendButton::paintRecord(Painter &p, bool over) {
 	const auto recordActive = _recordProgress;
 	if (!isDisabled()) {
-		auto rippleColor = anim::color(st::historyAttachEmoji.ripple.color, st::historyRecordVoiceRippleBgActive, recordActive);
-		paintRipple(p, (width() - st::historyAttachEmoji.rippleAreaSize) / 2, st::historyAttachEmoji.rippleAreaPosition.y(), &rippleColor);
+		auto rippleColor = anim::color(
+			_recordLocked
+				? st::historyRecordVoiceRippleBgCancel
+				: st::historyAttachEmoji.ripple.color,
+			st::historyRecordVoiceRippleBgActive,
+			recordActive);
+		paintRipple(
+			p,
+			(width() - st::historyAttachEmoji.rippleAreaSize) / 2,
+			st::historyAttachEmoji.rippleAreaPosition.y(),
+			&rippleColor);
 	}
 
 	auto fastIcon = [&] {
@@ -113,6 +135,8 @@ void SendButton::paintRecord(Painter &p, bool over) {
 			return &st::historyRecordVoice;
 		} else if (recordActive == 1.) {
 			return &st::historyRecordVoiceActive;
+		} else if (_recordLocked) {
+			return &st::historyRecordVoiceCancel;
 		} else if (over) {
 			return &st::historyRecordVoiceOver;
 		}

Telegram/SourceFiles/ui/controls/send_button.h

@@ -29,6 +29,8 @@ public:
 		return _type;
 	}
 	void setType(Type state);
+	void setLockRecord(bool lock);
+	void clearRecordState();
 	void setSlowmodeDelay(int seconds);
 	void finishAnimating();
 
@@ -57,6 +59,7 @@ private:
 
 	Ui::Animations::Simple _a_typeChanged;
 
+	bool _recordLocked = false;
 	float64 _recordProgress = 0.;
 
 	int _slowmodeDelay = 0;