Added initial ability to gift credits to users.

Telegram/CMakeLists.txt

@@ -272,6 +272,8 @@ PRIVATE
     boxes/edit_caption_box.h
     boxes/edit_privacy_box.cpp
     boxes/edit_privacy_box.h
+    boxes/gift_credits_box.cpp
+    boxes/gift_credits_box.h
     boxes/gift_premium_box.cpp
     boxes/gift_premium_box.h
     boxes/language_box.cpp

Telegram/Resources/langs/lang.strings

@@ -2342,6 +2342,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_credits_summary_history_tab_out" = "Outgoing";
 "lng_credits_summary_history_entry_inner_in" = "In-App Purchase";
 "lng_credits_summary_balance" = "Balance";
+"lng_credits_gift_button" = "Gift Stars to Friends";
 "lng_credits_box_out_title" = "Confirm Your Purchase";
 "lng_credits_box_out_sure#one" = "Do you want to buy **\"{text}\"** in **{bot}** for **{count} Star**?";
 "lng_credits_box_out_sure#other" = "Do you want to buy **\"{text}\"** in **{bot}** for **{count} Stars**?";
@@ -2390,6 +2391,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_credits_small_balance_about" = "Buy **Stars** and use them on **{bot}** and other miniapps.";
 "lng_credits_purchase_blocked" = "Sorry, you can't purchase this item with Telegram Stars.";
 
+"lng_credits_gift_title" = "Gift Telegram Stars";
+
 "lng_location_title" = "Location";
 "lng_location_about" = "Display the location of your business on your account.";
 "lng_location_address" = "Enter Address";

Telegram/SourceFiles/boxes/gift_credits_box.cpp

@@ -0,0 +1,180 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "boxes/gift_credits_box.h"
+
+#include "api/api_credits.h"
+#include "boxes/peer_list_controllers.h"
+#include "data/data_peer.h"
+#include "data/data_session.h"
+#include "data/data_user.h"
+#include "data/stickers/data_custom_emoji.h"
+#include "lang/lang_keys.h"
+#include "main/session/session_show.h"
+#include "settings/settings_credits_graphics.h"
+#include "ui/controls/userpic_button.h"
+#include "ui/effects/premium_graphics.h"
+#include "ui/effects/premium_stars_colored.h"
+#include "ui/layers/generic_box.h"
+#include "ui/rect.h"
+#include "ui/text/text_utilities.h"
+#include "ui/vertical_list.h"
+#include "ui/widgets/label_with_custom_emoji.h"
+#include "window/window_session_controller.h"
+#include "styles/style_boxes.h"
+#include "styles/style_channel_earn.h"
+#include "styles/style_chat.h"
+#include "styles/style_credits.h"
+#include "styles/style_giveaway.h"
+#include "styles/style_layers.h"
+#include "styles/style_premium.h"
+
+namespace Ui {
+
+void GiftCreditsBox(
+		not_null<Ui::GenericBox*> box,
+		not_null<PeerData*> peer,
+		Fn<void()> gifted) {
+	box->setStyle(st::creditsGiftBox);
+	box->setNoContentMargin(true);
+	box->addButton(tr::lng_create_group_back(), [=] { box->closeBox(); });
+
+	const auto content = box->setPinnedToTopContent(
+		object_ptr<Ui::VerticalLayout>(box));
+
+	Ui::AddSkip(content);
+	Ui::AddSkip(content);
+	const auto &stUser = st::premiumGiftsUserpicButton;
+	const auto userpicWrap = content->add(
+		object_ptr<Ui::CenterWrap<>>(
+			content,
+			object_ptr<Ui::UserpicButton>(content, peer, stUser)));
+	userpicWrap->setAttribute(Qt::WA_TransparentForMouseEvents);
+	Ui::AddSkip(content);
+	Ui::AddSkip(content);
+
+	{
+		const auto widget = Ui::CreateChild<Ui::RpWidget>(content);
+		using ColoredMiniStars = Ui::Premium::ColoredMiniStars;
+		const auto stars = widget->lifetime().make_state<ColoredMiniStars>(
+			widget,
+			false,
+			Ui::Premium::MiniStars::Type::BiStars);
+		stars->setColorOverride(Ui::Premium::CreditsIconGradientStops());
+		widget->resize(
+			st::boxWidth - stUser.photoSize,
+			stUser.photoSize * 2);
+		content->sizeValue(
+		) | rpl::start_with_next([=](const QSize &size) {
+			widget->moveToLeft(stUser.photoSize / 2, 0);
+			const auto starsRect = Rect(widget->size());
+			stars->setPosition(starsRect.topLeft());
+			stars->setSize(starsRect.size());
+			widget->lower();
+		}, widget->lifetime());
+		widget->paintRequest(
+		) | rpl::start_with_next([=](const QRect &r) {
+			auto p = QPainter(widget);
+			p.fillRect(r, Qt::transparent);
+			stars->paint(p);
+		}, widget->lifetime());
+	}
+	{
+		Ui::AddSkip(content);
+		const auto arrow = Ui::Text::SingleCustomEmoji(
+			peer->owner().customEmojiManager().registerInternalEmoji(
+				st::topicButtonArrow,
+				st::channelEarnLearnArrowMargins,
+				false));
+		auto link = tr::lng_credits_box_history_entry_gift_about_link(
+			lt_emoji,
+			rpl::single(arrow),
+			Ui::Text::RichLangValue
+		) | rpl::map([](TextWithEntities text) {
+			return Ui::Text::Link(
+				std::move(text),
+				tr::lng_credits_box_history_entry_gift_about_url(tr::now));
+		});
+		content->add(
+			object_ptr<Ui::CenterWrap<>>(
+				content,
+				Ui::CreateLabelWithCustomEmoji(
+					content,
+					tr::lng_credits_box_history_entry_gift_out_about(
+						lt_user,
+						rpl::single(TextWithEntities{ peer->shortName() }),
+						lt_link,
+						std::move(link),
+						Ui::Text::RichLangValue),
+					{ .session = &peer->session() },
+					st::creditsBoxAbout)),
+			st::boxRowPadding);
+	}
+	Ui::AddSkip(content);
+	Ui::AddSkip(box->verticalLayout());
+
+	Settings::FillCreditOptions(
+		Main::MakeSessionShow(box->uiShow(), &peer->session()),
+		box->verticalLayout(),
+		peer,
+		0,
+		[=] { gifted(); box->uiShow()->hideLayer(); });
+
+	const auto bottom = box->setPinnedToBottomContent(
+		object_ptr<Ui::VerticalLayout>(box));
+}
+
+void ShowGiftCreditsBox(
+		not_null<Window::SessionController*> controller,
+		Fn<void()> gifted) {
+
+	class Controller final : public ContactsBoxController {
+	public:
+		Controller(
+			not_null<Main::Session*> session,
+			Fn<void(not_null<PeerData*>)> choose)
+		: ContactsBoxController(session)
+		, _choose(std::move(choose)) {
+		}
+
+	protected:
+		std::unique_ptr<PeerListRow> createRow(
+				not_null<UserData*> user) override {
+			if (user->isSelf()
+				|| user->isBot()
+				|| user->isServiceUser()
+				|| user->isInaccessible()) {
+				return nullptr;
+			}
+			return ContactsBoxController::createRow(user);
+		}
+
+		void rowClicked(not_null<PeerListRow*> row) override {
+			_choose(row->peer());
+		}
+
+	private:
+		const Fn<void(not_null<PeerData*>)> _choose;
+
+	};
+	auto initBox = [=](not_null<PeerListBox*> peersBox) {
+		peersBox->setTitle(tr::lng_credits_gift_title());
+		peersBox->addButton(tr::lng_cancel(), [=] { peersBox->closeBox(); });
+	};
+
+	const auto show = controller->uiShow();
+	auto listController = std::make_unique<Controller>(
+		&controller->session(),
+		[=](not_null<PeerData*> peer) {
+			show->showBox(Box(GiftCreditsBox, peer, gifted));
+		});
+	show->showBox(
+		Box<PeerListBox>(std::move(listController), std::move(initBox)),
+		Ui::LayerOption::KeepOther);
+}
+
+} // namespace Ui

Telegram/SourceFiles/boxes/gift_credits_box.h

@@ -0,0 +1,20 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+namespace Window {
+class SessionController;
+} // namespace Window
+
+namespace Ui {
+
+void ShowGiftCreditsBox(
+	not_null<Window::SessionController*> controller,
+	Fn<void()> gifted);
+
+} // namespace Ui

Telegram/SourceFiles/settings/settings_credits.cpp

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "settings/settings_credits.h"
 
 #include "api/api_credits.h"
+#include "boxes/gift_credits_box.h"
 #include "boxes/gift_premium_box.h"
 #include "core/click_handler_types.h"
 #include "data/data_file_origin.h"
@@ -291,6 +292,19 @@ void Credits::setupContent() {
 	};
 	const auto self = _controller->session().user();
 	FillCreditOptions(_controller->uiShow(), content, self, 0, paid);
+	{
+		Ui::AddSkip(content);
+		const auto giftButton = AddButtonWithIcon(
+			content,
+			tr::lng_credits_gift_button(),
+			st::settingsButtonLightNoIcon);
+		Ui::AddSkip(content);
+		Ui::AddDivider(content);
+		giftButton->setClickedCallback([=] {
+			Ui::ShowGiftCreditsBox(_controller, paid);
+		});
+	}
+
 	setupHistory(content);
 
 	Ui::ResizeFitChild(this, content);

Telegram/SourceFiles/ui/effects/credits.style

@@ -54,3 +54,6 @@ creditsHistoryEntryGiftStickerSkip: -20px;
 creditsHistoryEntryGiftStickerSize: 150px;
 creditsHistoryEntryGiftStickerSpace: 105px;
 
+creditsGiftBox: Box(defaultBox) {
+	shadowIgnoreTopSkip: true;
+}