Handle repost preview clicks.

Telegram/SourceFiles/media/stories/media_stories_controller.cpp

@@ -618,6 +618,12 @@ void Controller::drawRepostInfo(
 	_repostView->draw(p, x, y, availableWidth);
 }
 
+RepostClickHandler Controller::lookupRepostHandler(QPoint position) const {
+	return _repostView
+		? _repostView->lookupHandler(position)
+		: RepostClickHandler();
+}
+
 void Controller::toggleLiked() {
 	_reactions->toggleLiked();
 }

Telegram/SourceFiles/media/stories/media_stories_controller.h

@@ -70,6 +70,7 @@ class CaptionFullView;
 class RepostView;
 enum class ReactionsMode;
 class SuggestedReactionView;
+struct RepostClickHandler;
 
 enum class HeaderLayout {
 	Normal,
@@ -130,6 +131,8 @@ public:
 
 	[[nodiscard]] QMargins repostCaptionPadding() const;
 	void drawRepostInfo(Painter &p, int x, int y, int availableWidth) const;
+	[[nodiscard]] RepostClickHandler lookupRepostHandler(
+		QPoint position) const;
 
 	[[nodiscard]] std::shared_ptr<ChatHelpers::Show> uiShow() const;
 	[[nodiscard]] auto stickerOrEmojiChosen() const

Telegram/SourceFiles/media/stories/media_stories_repost_view.cpp

@@ -7,14 +7,18 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "media/stories/media_stories_repost_view.h"
 
+#include "chat_helpers/compose/compose_show.h"
 #include "core/ui_integration.h"
 #include "data/data_peer.h"
 #include "data/data_session.h"
 #include "data/data_stories.h"
 #include "history/view/history_view_reply.h"
+#include "lang/lang_keys.h"
 #include "main/main_session.h"
 #include "media/stories/media_stories_controller.h"
+#include "media/stories/media_stories_view.h"
 #include "ui/effects/ripple_animation.h"
+#include "ui/layers/box_content.h"
 #include "ui/text/text_custom_emoji.h"
 #include "ui/text/text_options.h"
 #include "ui/painter.h"
@@ -60,7 +64,7 @@ void RepostView::draw(Painter &p, int x, int y, int availableWidth) {
 	if (simple) {
 		y += st::normalFont->height;
 	}
-	const auto w = std::min(int(_maxWidth), availableWidth);
+	const auto w = _lastWidth = std::min(int(_maxWidth), availableWidth);
 	const auto h = height() - (simple ? st::normalFont->height : 0);
 	const auto rect = QRect(x, y, w, h);
 	const auto colorPeer = _story->repostSourcePeer();
@@ -147,6 +151,39 @@ void RepostView::draw(Painter &p, int x, int y, int availableWidth) {
 	}
 }
 
+RepostClickHandler RepostView::lookupHandler(QPoint position) {
+	if (_loading) {
+		return {};
+	}
+	const auto simple = _text.isEmpty();
+	const auto w = _lastWidth;
+	const auto skip = simple ? st::normalFont->height : 0;
+	const auto h = height() - skip;
+	const auto rect = QRect(0, skip, w, h);
+	if (!rect.contains(position)) {
+		return {};
+	} else if (!_link) {
+		_link = std::make_shared<LambdaClickHandler>(crl::guard(this, [=] {
+			const auto peer = _story->repostSourcePeer();
+			const auto owner = &_story->owner();
+			if (const auto id = peer ? _story->repostSourceId() : 0) {
+				const auto of = owner->stories().lookup({ peer->id, id });
+				if (of) {
+					using namespace Data;
+					_controller->show(*of, { StoriesContextSingle() });
+				} else {
+					_controller->uiShow()->show(PrepareShortInfoBox(peer));
+				}
+			} else {
+				_controller->uiShow()->showToast(
+					tr::lng_forwarded_story_expired(tr::now));
+			}
+		}));
+	}
+	_lastPosition = position;
+	return { _link, this };
+}
+
 void RepostView::recountDimensions() {
 	const auto sender = _story->repostSourcePeer();
 	const auto name = sender ? sender->name() : _story->repostSourceName();
@@ -216,4 +253,29 @@ void RepostView::recountDimensions() {
 		+ st::historyReplyPadding.right();
 }
 
+void RepostView::clickHandlerPressedChanged(
+		const ClickHandlerPtr &action,
+		bool pressed) {
+	if (action == _link) {
+		if (pressed) {
+			const auto simple = _text.isEmpty();
+			const auto skip = simple ? st::normalFont->height : 0;
+			if (!_ripple) {
+				const auto h = height() - skip;
+				_ripple = std::make_unique<Ui::RippleAnimation>(
+					st::defaultRippleAnimation,
+					Ui::RippleAnimation::RoundRectMask(
+						QSize(_lastWidth, h),
+						(simple
+							? st::storiesRepostSimpleStyle
+							: st::messageQuoteStyle).radius),
+					[=] { _controller->repaint(); });
+			}
+			_ripple->add(_lastPosition - QPoint(0, skip));
+		} else if (_ripple) {
+			_ripple->lastStop();
+		}
+	}
+}
+
 } // namespace Media::Stories

Telegram/SourceFiles/media/stories/media_stories_repost_view.h

@@ -23,8 +23,11 @@ class RippleAnimation;
 namespace Media::Stories {
 
 class Controller;
+struct RepostClickHandler;
 
-class RepostView final : public base::has_weak_ptr {
+class RepostView final
+	: public base::has_weak_ptr
+	, public ClickHandlerHost {
 public:
 	RepostView(
 		not_null<Controller*> controller,
@@ -33,12 +36,18 @@ public:
 
 	[[nodiscard]] int height() const;
 	void draw(Painter &p, int x, int y, int availableWidth);
+	[[nodiscard]] RepostClickHandler lookupHandler(QPoint position);
 
 private:
 	void recountDimensions();
 
+	void clickHandlerPressedChanged(
+		const ClickHandlerPtr &action,
+		bool pressed);
+
 	const not_null<Controller*> _controller;
 	const not_null<Data::Story*> _story;
+	ClickHandlerPtr _link;
 	std::unique_ptr<Ui::RippleAnimation> _ripple;
 
 	Ui::Text::String _name;
@@ -46,6 +55,8 @@ private:
 	Ui::Text::QuotePaintCache _quoteCache;
 	Ui::BackgroundEmojiData _backgroundEmojiData;
 	Ui::ColorIndicesCompressed _colorIndices;
+	QPoint _lastPosition;
+	mutable int _lastWidth = 0;
 	uint32 _maxWidth : 31 = 0;
 	uint32 _loading : 1 = 0;
 

Telegram/SourceFiles/media/stories/media_stories_view.cpp

@@ -162,6 +162,10 @@ void View::drawRepostInfo(
 	_controller->drawRepostInfo(p, x, y, availableWidth);
 }
 
+RepostClickHandler View::lookupRepostHandler(QPoint position) const {
+	return _controller->lookupRepostHandler(position);
+}
+
 void View::showFullCaption() {
 	_controller->showFullCaption();
 }

Telegram/SourceFiles/media/stories/media_stories_view.h

@@ -7,6 +7,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+class ClickHandlerHost;
+
 namespace Data {
 class Story;
 struct StoriesContext;
@@ -58,6 +60,15 @@ struct SiblingView {
 	}
 };
 
+struct RepostClickHandler {
+	ClickHandlerPtr link;
+	ClickHandlerHost *host = nullptr;
+
+	explicit operator bool() const {
+		return link && host;
+	}
+};
+
 inline constexpr auto kCollapsedCaptionLines = 2;
 inline constexpr auto kMaxShownCaptionLines = 4;
 
@@ -83,6 +94,8 @@ public:
 
 	[[nodiscard]] QMargins repostCaptionPadding() const;
 	void drawRepostInfo(Painter &p, int x, int y, int availableWidth) const;
+	[[nodiscard]] RepostClickHandler lookupRepostHandler(
+		QPoint position) const;
 
 	void updatePlayback(const Player::TrackState &state);
 	[[nodiscard]] ClickHandlerPtr lookupAreaHandler(QPoint point) const;

Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp

@@ -2173,14 +2173,22 @@ void OverlayWidget::assignMediaPointer(not_null<PhotoData*> photo) {
 	}
 }
 
-void OverlayWidget::clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) {
-	setCursor((active || ClickHandler::getPressed()) ? style::cur_pointer : style::cur_default);
-	update(QRegion(_saveMsg) + _captionRect);
+void OverlayWidget::clickHandlerActiveChanged(
+		const ClickHandlerPtr &p,
+		bool active) {
+	setCursor((active || ClickHandler::getPressed())
+		? style::cur_pointer
+		: style::cur_default);
+	update(QRegion(_saveMsg) + captionGeometry());
 }
 
-void OverlayWidget::clickHandlerPressedChanged(const ClickHandlerPtr &p, bool pressed) {
-	setCursor((pressed || ClickHandler::getActive()) ? style::cur_pointer : style::cur_default);
-	update(QRegion(_saveMsg) + _captionRect);
+void OverlayWidget::clickHandlerPressedChanged(
+		const ClickHandlerPtr &p,
+		bool pressed) {
+	setCursor((pressed || ClickHandler::getActive())
+		? style::cur_pointer
+		: style::cur_default);
+	update(QRegion(_saveMsg) + captionGeometry());
 }
 
 rpl::lifetime &OverlayWidget::lifetime() {
@@ -5707,7 +5715,15 @@ void OverlayWidget::updateOver(QPoint pos) {
 		}
 		lnkhost = this;
 	} else if (_stories && captionGeometry().contains(pos)) {
-		//_stories->repostState();
+		const auto padding = st::mediaviewCaptionPadding;
+		const auto handler = _stories->lookupRepostHandler(
+			pos - captionGeometry().marginsRemoved(padding).topLeft());
+		if (handler) {
+			lnk = handler.link;
+			lnkhost = handler.host;
+			setCursor(style::cur_pointer);
+			_cursorOverriden = true;
+		}
 	} else if (_groupThumbs && _groupThumbsRect.contains(pos)) {
 		const auto point = pos - QPoint(_groupThumbsLeft, _groupThumbsTop);
 		lnk = _groupThumbs->getState(point);
@@ -5717,7 +5733,6 @@ void OverlayWidget::updateOver(QPoint pos) {
 		lnkhost = this;
 	}
 
-
 	// retina
 	if (pos.x() == width()) {
 		pos.setX(pos.x() - 1);
@@ -5726,6 +5741,10 @@ void OverlayWidget::updateOver(QPoint pos) {
 		pos.setY(pos.y() - 1);
 	}
 
+	if (_cursorOverriden && (!lnkhost || lnkhost == this)) {
+		_cursorOverriden = false;
+		setCursor(style::cur_default);
+	}
 	ClickHandler::setActive(lnk, lnkhost);
 
 	if (_pressed || _dragging) return;

Telegram/SourceFiles/media/view/media_view_overlay_widget.h

@@ -611,6 +611,7 @@ private:
 	float64 _zoomToDefault = 0.;
 	QPoint _mStart;
 	bool _pressed = false;
+	bool _cursorOverriden = false;
 	int32 _dragging = 0;
 	QImage _staticContent;
 	bool _staticContentTransparent = false;