Added ability to share QR code from channels.

Telegram/SourceFiles/info/profile/info_profile_actions.cpp

@@ -1035,6 +1035,22 @@ object_ptr<Ui::RpWidget> DetailsFiller::setupInfo() {
 		result.text->setContextCopyText(contextCopyText);
 		return result;
 	};
+	const auto fitLabelToButton = [&](
+			not_null<Ui::RpWidget*> button,
+			not_null<Ui::FlatLabel*> label) {
+		const auto parent = label->parentWidget();
+		result->sizeValue() | rpl::start_with_next([=] {
+			const auto s = parent->size();
+			button->moveToRight(
+				0,
+				(s.height() - button->height()) / 2);
+			label->resizeToWidth(
+				s.width()
+					- label->geometry().left()
+					- st::lineWidth * 2
+					- button->width());
+		}, button->lifetime());
+	};
 	if (const auto user = _peer->asUser()) {
 		const auto controller = _controller->parentController();
 		if (user->session().supportMode()) {
@@ -1103,25 +1119,12 @@ object_ptr<Ui::RpWidget> DetailsFiller::setupInfo() {
 		usernameLine.text->setContextMenuHook(hook);
 		usernameLine.subtext->setContextMenuHook(hook);
 		if (user) {
-			const auto usernameLabel = usernameLine.text;
-			const auto parent = usernameLabel->parentWidget();
 			const auto copyUsername = Ui::CreateChild<Ui::IconButton>(
-				parent,
+				usernameLine.text->parentWidget(),
 				user->isBot()
 					? st::infoProfileLabeledButtonCopy
 					: st::infoProfileLabeledButtonQr);
-			result->sizeValue(
-			) | rpl::start_with_next([=] {
-				const auto s = parent->size();
-				copyUsername->moveToRight(
-					0,
-					(s.height() - copyUsername->height()) / 2);
-				usernameLabel->resizeToWidth(
-					s.width()
-						- usernameLabel->geometry().left()
-						- st::lineWidth * 2
-						- copyUsername->width());
-			}, copyUsername->lifetime());
+			fitLabelToButton(copyUsername, usernameLine.text);
 			copyUsername->setClickedCallback([=] {
 				if (!user->isBot()) {
 					controller->show(Box([=](not_null<Ui::GenericBox*> box) {
@@ -1187,7 +1190,7 @@ object_ptr<Ui::RpWidget> DetailsFiller::setupInfo() {
 						: text) + addToLink,
 					(addToLink.isEmpty() ? link.url : (text + addToLink)));
 		});
-		auto linkLine = addInfoOneLine(
+		const auto linkLine = addInfoOneLine(
 			(topicRootId
 				? tr::lng_info_link_label(Ui::Text::WithEntities)
 				: UsernamesSubtext(_peer, tr::lng_info_link_label())),
@@ -1200,6 +1203,18 @@ object_ptr<Ui::RpWidget> DetailsFiller::setupInfo() {
 			addToLink);
 		linkLine.text->overrideLinkClickHandler(linkCallback);
 		linkLine.subtext->overrideLinkClickHandler(linkCallback);
+		{
+			const auto qr = Ui::CreateChild<Ui::IconButton>(
+				linkLine.text->parentWidget(),
+				st::infoProfileLabeledButtonQr);
+			fitLabelToButton(qr, linkLine.text);
+			qr->setClickedCallback([=, peer = _peer] {
+				controller->show(Box([=](not_null<Ui::GenericBox*> box) {
+					Ui::FillPeerQrBox(box, peer);
+				}));
+				return false;
+			});
+		}
 
 		if (const auto channel = _topic ? nullptr : _peer->asChannel()) {
 			auto locationText = LocationValue(

Telegram/SourceFiles/info/profile/info_profile_values.cpp

@@ -154,11 +154,11 @@ rpl::producer<TextWithEntities> PhoneOrHiddenValue(not_null<UserData*> user) {
 }
 
 rpl::producer<TextWithEntities> UsernameValue(
-		not_null<UserData*> user,
+		not_null<PeerData*> peer,
 		bool primary) {
 	return (primary
-		? PlainPrimaryUsernameValue(user)
-		: (PlainUsernameValue(user) | rpl::type_erased())
+		? PlainPrimaryUsernameValue(peer)
+		: (PlainUsernameValue(peer) | rpl::type_erased())
 	) | rpl::map([](QString &&username) {
 		return username.isEmpty()
 			? QString()

Telegram/SourceFiles/info/profile/info_profile_values.h

@@ -57,7 +57,7 @@ rpl::producer<not_null<PeerData*>> MigratedOrMeValue(
 [[nodiscard]] rpl::producer<TextWithEntities> PhoneOrHiddenValue(
 	not_null<UserData*> user);
 [[nodiscard]] rpl::producer<TextWithEntities> UsernameValue(
-	not_null<UserData*> user,
+	not_null<PeerData*> peer,
 	bool primary = false);
 [[nodiscard]] rpl::producer<std::vector<TextWithEntities>> UsernamesValue(
 	not_null<PeerData*> peer);

Telegram/SourceFiles/ui/boxes/peer_qr_box.cpp

@@ -11,7 +11,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_cloud_themes.h"
 #include "data/data_peer.h"
 #include "data/data_session.h"
-#include "data/data_user.h"
 #include "info/channel_statistics/boosts/giveaway/boost_badge.h" // InfiniteRadialAnimationWidget.
 #include "info/profile/info_profile_values.h"
 #include "lang/lang_keys.h"
@@ -22,12 +21,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/image/image_prepare.h"
 #include "ui/layers/generic_box.h"
 #include "ui/painter.h"
-#include "ui/widgets/continuous_sliders.h"
 #include "ui/rect.h"
 #include "ui/ui_utility.h"
 #include "ui/vertical_list.h"
 #include "ui/widgets/box_content_divider.h"
 #include "ui/widgets/buttons.h"
+#include "ui/widgets/continuous_sliders.h"
 #include "ui/wrap/vertical_layout.h"
 #include "window/window_controller.h"
 #include "window/window_session_controller.h"
@@ -386,9 +385,9 @@ void FillPeerQrBox(
 		userpic,
 		state->font,
 		state->userpicToggled.value(),
-		Info::Profile::UsernameValue(peer->asUser()),
-		Info::Profile::LinkValue(peer) | rpl::map([](const auto &link) {
-			return link.url;
+		Info::Profile::UsernameValue(peer, true),
+		Info::Profile::LinkValue(peer, true) | rpl::map([](const auto &link) {
+			return link.text;
 		}),
 		state->bgs.value());
 
@@ -719,12 +718,12 @@ void FillPeerQrBox(
 			: 0;
 
 		const auto font = createFont(scale);
+		using namespace Info::Profile;
 		const auto username = rpl::variable<TextWithEntities>(
-			Info::Profile::UsernameValue(
-				peer->asUser())).current().text.toUpper();
+			UsernameValue(peer, true)).current().text.toUpper();
 		const auto link = rpl::variable<QString>(
-			Info::Profile::LinkValue(peer) | rpl::map([](const auto &l) {
-				return l.url;
+			LinkValue(peer, true) | rpl::map([](const auto &l) {
+				return l.text;
 			}));
 		const auto textWidth = font->width(username);
 		const auto top = Ui::GrabWidget(