Allow selecting text in webpage previews.

Telegram/SourceFiles/history/history_inner_widget.cpp

@@ -1673,7 +1673,10 @@ void HistoryInner::mouseActionStart(const QPoint &screenPos, Qt::MouseButton but
 		Ui::MarkInactivePress(_controller->widget(), false);
 	}
 
-	if (ClickHandler::getPressed()) {
+	const auto pressed = ClickHandler::getPressed();
+	if (pressed
+		&& (!Element::Hovered()
+			|| !Element::Hovered()->allowTextSelectionByHandler(pressed))) {
 		_mouseAction = MouseAction::PrepareDrag;
 	} else if (inSelectionMode()) {
 		if (_dragStateItem
@@ -3837,6 +3840,10 @@ void HistoryInner::mouseActionUpdate() {
 						selState = view->adjustSelection(selState, _mouseSelectType);
 					}
 				}
+				if (!selState.empty()) {
+					// We started selecting text in web page preview.
+					ClickHandler::unpressed();
+				}
 				if (_selected[_mouseActionItem] != selState) {
 					_selected[_mouseActionItem] = selState;
 					repaintItem(_mouseActionItem);

Telegram/SourceFiles/history/view/history_view_element.cpp

@@ -1424,7 +1424,12 @@ HistoryMessageReply *Element::displayedReply() const {
 }
 
 bool Element::toggleSelectionByHandlerClick(
-	const ClickHandlerPtr &handler) const {
+		const ClickHandlerPtr &handler) const {
+	return false;
+}
+
+bool Element::allowTextSelectionByHandler(
+		const ClickHandlerPtr &handler) const {
 	return false;
 }
 

Telegram/SourceFiles/history/view/history_view_element.h

@@ -462,6 +462,8 @@ public:
 	}
 	[[nodiscard]] virtual bool toggleSelectionByHandlerClick(
 		const ClickHandlerPtr &handler) const;
+	[[nodiscard]] virtual bool allowTextSelectionByHandler(
+		const ClickHandlerPtr &handler) const;
 
 	struct VerticalRepaintRange {
 		int top = 0;

Telegram/SourceFiles/history/view/history_view_message.cpp

@@ -3148,6 +3148,16 @@ bool Message::toggleSelectionByHandlerClick(
 	return false;
 }
 
+bool Message::allowTextSelectionByHandler(
+		const ClickHandlerPtr &handler) const {
+	if (const auto media = this->media()) {
+		if (media->allowTextSelectionByHandler(handler)) {
+			return true;
+		}
+	}
+	return false;
+}
+
 bool Message::hasFromName() const {
 	switch (context()) {
 	case Context::AdminLog:

Telegram/SourceFiles/history/view/history_view_message.h

@@ -140,6 +140,8 @@ public:
 	[[nodiscard]] HistoryMessageReply *displayedReply() const override;
 	[[nodiscard]] bool toggleSelectionByHandlerClick(
 		const ClickHandlerPtr &handler) const override;
+	[[nodiscard]] bool allowTextSelectionByHandler(
+		const ClickHandlerPtr &handler) const override;
 	[[nodiscard]] int infoWidth() const override;
 	[[nodiscard]] int bottomInfoFirstLineWidth() const override;
 	[[nodiscard]] bool bottomInfoIsWide() const override;

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

@@ -17,6 +17,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/text/text_utilities.h"
 #include "ui/cached_round_corners.h"
 #include "ui/chat/chat_style.h"
+#include "ui/effects/ripple_animation.h"
 #include "ui/painter.h"
 #include "ui/power_saving.h"
 #include "core/ui_integration.h"
@@ -226,6 +227,13 @@ void Game::draw(Painter &p, const PaintContext &context) const {
 	Ui::Text::ValidateQuotePaintCache(*cache, _st);
 	Ui::Text::FillQuotePaint(p, outer, *cache, _st);
 
+	if (_ripple) {
+		_ripple->paint(p, outer.x(), outer.y(), width(), &cache->bg);
+		if (_ripple->empty()) {
+			_ripple = nullptr;
+		}
+	}
+
 	auto lineHeight = UnitedLineHeight();
 	if (_titleLines) {
 		p.setPen(cache->icon);
@@ -322,7 +330,6 @@ TextState Game::textState(QPoint point, StateRequest request) const {
 	auto tshift = inner.top();
 	auto paintw = inner.width();
 
-	auto inThumb = false;
 	auto symbolAdd = 0;
 	auto lineHeight = UnitedLineHeight();
 	if (_titleLines) {
@@ -353,11 +360,7 @@ TextState Game::textState(QPoint point, StateRequest request) const {
 		}
 		tshift += _descriptionLines * lineHeight;
 	}
-	if (inThumb) {
-		if (_parent->data()->isHistoryEntry()) {
-			result.link = _openl;
-		}
-	} else if (_attach) {
+	if (_attach) {
 		auto attachAtTop = !_titleLines && !_descriptionLines;
 		if (!attachAtTop) tshift += st::mediaInBubbleSkip;
 
@@ -375,6 +378,12 @@ TextState Game::textState(QPoint point, StateRequest request) const {
 			}
 		}
 	}
+	if (_parent->data()->isHistoryEntry()) {
+		if (!result.link && outer.contains(point)) {
+			result.link = _openl;
+		}
+	}
+	_lastPoint = point - outer.topLeft();
 
 	result.symbol += symbolAdd;
 	return result;
@@ -399,11 +408,41 @@ void Game::clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) {
 }
 
 void Game::clickHandlerPressedChanged(const ClickHandlerPtr &p, bool pressed) {
+	if (p == _openl) {
+		if (pressed) {
+			if (!_ripple) {
+				const auto full = QRect(0, 0, width(), height());
+				const auto outer = full.marginsRemoved(inBubblePadding());
+				const auto owner = &parent()->history()->owner();
+				_ripple = std::make_unique<Ui::RippleAnimation>(
+					st::defaultRippleAnimation,
+					Ui::RippleAnimation::RoundRectMask(
+						outer.size(),
+						_st.radius),
+					[=] { owner->requestViewRepaint(parent()); });
+			}
+			_ripple->add(_lastPoint);
+		} else if (_ripple) {
+			_ripple->lastStop();
+		}
+	}
 	if (_attach) {
 		_attach->clickHandlerPressedChanged(p, pressed);
 	}
 }
 
+bool Game::toggleSelectionByHandlerClick(const ClickHandlerPtr &p) const {
+	return _attach && _attach->toggleSelectionByHandlerClick(p);
+}
+
+bool Game::allowTextSelectionByHandler(const ClickHandlerPtr &p) const {
+	return (p == _openl);
+}
+
+bool Game::dragItemByHandler(const ClickHandlerPtr &p) const {
+	return _attach && _attach->dragItemByHandler(p);
+}
+
 TextForMimeData Game::selectedText(TextSelection selection) const {
 	auto titleResult = _title.toTextForMimeData(selection);
 	auto descriptionResult = _description.toTextForMimeData(

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

@@ -11,6 +11,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 class ReplyMarkupClickHandler;
 
+namespace Ui {
+class RippleAnimation;
+} // namespace Ui
+
 namespace HistoryView {
 
 class Game : public Media {
@@ -35,12 +39,11 @@ public:
 		return false; // we do not add _title and _description in FullSelection text copy.
 	}
 
-	bool toggleSelectionByHandlerClick(const ClickHandlerPtr &p) const override {
-		return _attach && _attach->toggleSelectionByHandlerClick(p);
-	}
-	bool dragItemByHandler(const ClickHandlerPtr &p) const override {
-		return _attach && _attach->dragItemByHandler(p);
-	}
+	bool toggleSelectionByHandlerClick(
+		const ClickHandlerPtr &p) const override;
+	bool allowTextSelectionByHandler(
+		const ClickHandlerPtr &p) const override;
+	bool dragItemByHandler(const ClickHandlerPtr &p) const override;
 
 	TextForMimeData selectedText(TextSelection selection) const override;
 
@@ -102,7 +105,9 @@ private:
 	const not_null<GameData*> _data;
 	std::shared_ptr<ReplyMarkupClickHandler> _openl;
 	std::unique_ptr<Media> _attach;
+	mutable std::unique_ptr<Ui::RippleAnimation> _ripple;
 
+	mutable QPoint _lastPoint;
 	int _gameTagWidth = 0;
 	int _descriptionLines = 0;
 	int _titleLines = 0;

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

@@ -181,6 +181,11 @@ Storage::SharedMediaTypesMask Media::sharedMediaTypes() const {
 	return {};
 }
 
+bool Media::allowTextSelectionByHandler(
+		const ClickHandlerPtr &handler) const {
+	return false;
+}
+
 not_null<Element*> Media::parent() const {
 	return _parent;
 }

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

@@ -136,6 +136,8 @@ public:
 	// toggle selection instead of activating the pressed link
 	[[nodiscard]] virtual bool toggleSelectionByHandlerClick(
 		const ClickHandlerPtr &p) const = 0;
+	[[nodiscard]] virtual bool allowTextSelectionByHandler(
+		const ClickHandlerPtr &p) const;
 
 	[[nodiscard]] virtual TextSelection adjustSelection(
 			TextSelection selection,

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

@@ -904,6 +904,11 @@ bool WebPage::toggleSelectionByHandlerClick(
 	return _attach && _attach->toggleSelectionByHandlerClick(p);
 }
 
+bool WebPage::allowTextSelectionByHandler(
+		const ClickHandlerPtr &p) const {
+	return (p == _openl);
+}
+
 bool WebPage::dragItemByHandler(const ClickHandlerPtr &p) const {
 	return _attach && _attach->dragItemByHandler(p);
 }

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

@@ -50,6 +50,8 @@ public:
 
 	bool toggleSelectionByHandlerClick(
 		const ClickHandlerPtr &p) const override;
+	bool allowTextSelectionByHandler(
+		const ClickHandlerPtr &p) const override;
 	bool dragItemByHandler(const ClickHandlerPtr &p) const override;
 
 	TextForMimeData selectedText(TextSelection selection) const override;