Support shaking bubble for wrong quiz answer.

Telegram/SourceFiles/history/history.style

@@ -537,10 +537,10 @@ historyPollQuestionStyle: TextStyle(defaultTextStyle) {
 historyPollAnswerStyle: defaultTextStyle;
 historyPollQuestionTop: 7px;
 historyPollSubtitleSkip: 4px;
-historyPollAnswerPadding: margins(31px, 10px, 0px, 10px);
+historyPollAnswerPadding: margins(32px, 10px, 0px, 10px);
 historyPollAnswersSkip: 2px;
 historyPollPercentFont: semiboldFont;
-historyPollPercentSkip: 6px;
+historyPollPercentSkip: 5px;
 historyPollPercentTop: 0px;
 historyPollTotalVotesSkip: 5px;
 historyPollFillingMin: 4px;

Telegram/SourceFiles/history/view/history_view_message.cpp

@@ -409,6 +409,15 @@ void Message::draw(
 
 	paintHighlight(p, g.height());
 
+	const auto roll = media ? media->getBubbleRoll() : Media::BubbleRoll();
+	if (roll) {
+		p.save();
+		p.translate(g.center());
+		p.rotate(roll.rotate);
+		p.scale(roll.scale, roll.scale);
+		p.translate(-g.center());
+	}
+
 	p.setTextPalette(selected
 		? (outbg ? st::outTextPaletteSelected : st::inTextPaletteSelected)
 		: (outbg ? st::outTextPalette : st::inTextPalette));
@@ -504,6 +513,10 @@ void Message::draw(
 
 	p.restoreTextPalette();
 
+	if (roll) {
+		p.restore();
+	}
+
 	const auto reply = item->Get<HistoryMessageReply>();
 	if (reply && reply->isNameUpdated()) {
 		const_cast<Message*>(this)->setPendingResize();

Telegram/SourceFiles/history/view/media/history_view_media.h

@@ -233,6 +233,18 @@ public:
 		return true;
 	}
 
+	struct BubbleRoll {
+		float64 rotate = 0.;
+		float64 scale = 1.;
+
+		explicit operator bool() const {
+			return (rotate != 0.) || (scale != 1.);
+		}
+	};
+	[[nodiscard]] virtual BubbleRoll getBubbleRoll() const {
+		return BubbleRoll();
+	}
+
 	virtual void unloadHeavyPart() {
 	}
 

Telegram/SourceFiles/history/view/media/history_view_poll.cpp

@@ -344,6 +344,7 @@ void Poll::updateTexts() {
 	_pollVersion = _poll->version;
 
 	const auto willStartAnimation = checkAnimationStart();
+	const auto voted = _voted;
 
 	if (_question.toString() != _poll->question) {
 		auto options = Ui::WebpageTextTitleOptions();
@@ -374,9 +375,29 @@ void Poll::updateTexts() {
 
 	if (willStartAnimation) {
 		startAnswersAnimation();
+		if (!voted) {
+			checkQuizAnsweredWrong();
+		}
 	}
 }
 
+void Poll::checkQuizAnsweredWrong() {
+	if (!_voted || !_poll->quiz()) {
+		return;
+	}
+	const auto i = ranges::find(_answers, true, &Answer::chosen);
+	if (i == end(_answers) || i->correct) {
+		return;
+	}
+	constexpr auto kDuration = crl::time(400);
+	_wrongAnswerAnimation.start(
+		[=] { history()->owner().requestViewRepaint(_parent); },
+		0.,
+		1.,
+		kDuration,
+		anim::linear);
+}
+
 void Poll::updateRecentVoters() {
 	auto &&sliced = ranges::view::all(
 		_poll->recentVoters
@@ -1121,6 +1142,35 @@ TextState Poll::textState(QPoint point, StateRequest request) const {
 	return result;
 }
 
+auto Poll::getBubbleRoll() const -> BubbleRoll {
+	constexpr auto kRotateSegments = 8;
+	constexpr auto kRotateAmplitude = 2.5;
+	constexpr auto kScaleSegments = 2;
+	constexpr auto kScaleAmplitude = 0.025;
+
+	const auto value = _wrongAnswerAnimation.value(1.);
+	if (value == 1.) {
+		return BubbleRoll();
+	}
+	const auto rotateFull = value * kRotateSegments;
+	const auto progress = [](float64 full) {
+		const auto lower = std::floor(full);
+		const auto shift = (full - lower);
+		switch (int(lower) % 4) {
+		case 0: return -shift;
+		case 1: return (shift - 1.);
+		case 2: return shift;
+		case 3: return (1. - shift);
+		}
+		Unexpected("Value in Poll::getBubbleRollDegrees.");
+	};
+	const auto scaleFull = value * kScaleSegments;
+	return {
+		.rotate = progress(value * kRotateSegments) * kRotateAmplitude,
+		.scale = 1. + progress(value * kScaleSegments) * kScaleAmplitude
+	};
+}
+
 void Poll::clickHandlerPressedChanged(
 		const ClickHandlerPtr &handler,
 		bool pressed) {

Telegram/SourceFiles/history/view/media/history_view_poll.h

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "history/view/media/history_view_media.h"
+#include "ui/effects/animations.h"
 #include "data/data_poll.h"
 #include "base/weak_ptr.h"
 
@@ -40,6 +41,8 @@ public:
 		return false;
 	}
 
+	BubbleRoll getBubbleRoll() const override;
+
 	void clickHandlerPressedChanged(
 		const ClickHandlerPtr &handler,
 		bool pressed) override;
@@ -145,6 +148,7 @@ private:
 	void toggleMultiOption(const QByteArray &option);
 	void sendMultiOptions();
 	void showResults();
+	void checkQuizAnsweredWrong();
 
 	[[nodiscard]] int bottomButtonHeight() const;
 
@@ -168,6 +172,7 @@ private:
 
 	mutable std::unique_ptr<AnswersAnimation> _answersAnimation;
 	mutable std::unique_ptr<SendingAnimation> _sendingAnimation;
+	mutable Ui::Animations::Simple _wrongAnswerAnimation;
 	mutable QPoint _lastLinkPoint;
 
 };