Added ability to select users for awarding in giveaway box.

Telegram/SourceFiles/info/boosts/create_giveaway_box.cpp

@@ -10,10 +10,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/peers/edit_participants_box.h" // ParticipantsBoxController
 #include "data/data_peer.h"
 #include "data/data_user.h"
+#include "info/boosts/giveaway/giveaway_type_row.h"
 #include "info/info_controller.h"
 #include "lang/lang_keys.h"
 #include "ui/layers/generic_box.h"
+#include "ui/widgets/checkbox.h"
 #include "ui/widgets/labels.h"
+#include "styles/style_layers.h"
 
 namespace {
 
@@ -28,8 +31,6 @@ public:
 		QWidget *parent,
 		not_null<PeerListRow*> row) override;
 
-private:
-
 };
 
 void MembersListController::rowClicked(not_null<PeerListRow*> row) {
@@ -57,25 +58,78 @@ void CreateGiveawayBox(
 		not_null<Ui::GenericBox*> box,
 		not_null<Info::Controller*> controller,
 		not_null<PeerData*> peer) {
-	box->addButton(tr::lng_box_ok(), [=] {
-		auto initBox = [=](not_null<PeerListBox*> peersBox) {
-			peersBox->setTitle(tr::lng_giveaway_award_option());
-			peersBox->addButton(tr::lng_settings_save(), [=] {
-				const auto selected = peersBox->collectSelectedRows();
-				peersBox->closeBox();
-			});
-			peersBox->addButton(tr::lng_cancel(), [=] {
-				peersBox->closeBox();
-			});
-		};
+	struct State final {
+		std::vector<not_null<PeerData*>> selectedToAward;
+		rpl::event_stream<> toAwardAmountChanged;
+	};
+	const auto state = box->lifetime().make_state<State>();
+	using GiveawayType = Giveaway::GiveawayTypeRow::Type;
+	using GiveawayGroup = Ui::RadioenumGroup<GiveawayType>;
+	const auto typeGroup = std::make_shared<GiveawayGroup>();
 
-		box->uiShow()->showBox(
-			Box<PeerListBox>(
-				std::make_unique<MembersListController>(
-					controller,
-					peer,
-					ParticipantsRole::Members),
-				std::move(initBox)),
-			Ui::LayerOption::KeepOther);
+	box->setWidth(st::boxWideWidth);
+
+	{
+		const auto row = box->verticalLayout()->add(
+			object_ptr<Giveaway::GiveawayTypeRow>(
+				box,
+				GiveawayType::Random,
+				tr::lng_giveaway_create_subtitle()));
+		row->addRadio(typeGroup);
+		row->setClickedCallback([=] {
+			typeGroup->setValue(GiveawayType::Random);
+		});
+	}
+	{
+		const auto row = box->verticalLayout()->add(
+			object_ptr<Giveaway::GiveawayTypeRow>(
+				box,
+				GiveawayType::SpecificUsers,
+				state->toAwardAmountChanged.events_starting_with(
+					rpl::empty_value()
+				) | rpl::map([=] {
+					const auto &selected = state->selectedToAward;
+					return selected.empty()
+						? tr::lng_giveaway_award_subtitle()
+						: (selected.size() == 1)
+						? rpl::single(selected.front()->name())
+						: tr::lng_giveaway_award_chosen(
+							lt_count,
+							rpl::single(selected.size()) | tr::to_count());
+				}) | rpl::flatten_latest()));
+		row->addRadio(typeGroup);
+		row->setClickedCallback([=] {
+			auto initBox = [=](not_null<PeerListBox*> peersBox) {
+				peersBox->setTitle(tr::lng_giveaway_award_option());
+				peersBox->addButton(tr::lng_settings_save(), [=] {
+					state->selectedToAward = peersBox->collectSelectedRows();
+					state->toAwardAmountChanged.fire({});
+					peersBox->closeBox();
+				});
+				peersBox->addButton(tr::lng_cancel(), [=] {
+					peersBox->closeBox();
+				});
+				peersBox->boxClosing(
+				) | rpl::start_with_next([=] {
+					typeGroup->setValue(state->selectedToAward.empty()
+						? GiveawayType::Random
+						: GiveawayType::SpecificUsers);
+				}, peersBox->lifetime());
+			};
+
+			box->uiShow()->showBox(
+				Box<PeerListBox>(
+					std::make_unique<MembersListController>(
+						controller,
+						peer,
+						ParticipantsRole::Members),
+					std::move(initBox)),
+				Ui::LayerOption::KeepOther);
+		});
+	}
+	typeGroup->setValue(GiveawayType::Random);
+
+	box->addButton(tr::lng_box_ok(), [=] {
+		box->closeBox();
 	});
 }

Telegram/SourceFiles/info/boosts/giveaway/giveaway_type_row.cpp

@@ -0,0 +1,114 @@
+/*
+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 "info/boosts/giveaway/giveaway_type_row.h"
+
+#include "lang/lang_keys.h"
+#include "ui/painter.h"
+#include "ui/rect.h"
+#include "ui/text/text_options.h"
+#include "ui/widgets/checkbox.h"
+#include "styles/style_boxes.h"
+#include "styles/style_statistics.h"
+
+namespace Giveaway {
+
+constexpr auto kColorIndexSpecific = int(4);
+constexpr auto kColorIndexRandom = int(2);
+
+GiveawayTypeRow::GiveawayTypeRow(
+	not_null<Ui::RpWidget*> parent,
+	Type type,
+	rpl::producer<QString> subtitle)
+: RippleButton(parent, st::defaultRippleAnimation)
+, _st(st::giveawayTypeListItem)
+, _type(type)
+, _userpic(
+	Ui::EmptyUserpic::UserpicColor((_type == Type::SpecificUsers)
+		? kColorIndexSpecific
+		: kColorIndexRandom),
+	QString())
+, _name(
+	_st.nameStyle,
+	(type == Type::SpecificUsers)
+		? tr::lng_giveaway_award_option(tr::now)
+		: tr::lng_giveaway_create_option(tr::now),
+	Ui::NameTextOptions()) {
+	std::move(
+		subtitle
+	) | rpl::start_with_next([=] (const QString &s) {
+		_status.setText(st::defaultTextStyle, s, Ui::NameTextOptions());
+	}, lifetime());
+}
+
+int GiveawayTypeRow::resizeGetHeight(int) {
+	return _st.height;
+}
+
+void GiveawayTypeRow::paintEvent(QPaintEvent *e) {
+	auto p = Painter(this);
+
+	const auto paintOver = (isOver() || isDown()) && !isDisabled();
+	const auto skipRight = _st.photoPosition.x();
+	const auto outerWidth = width();
+	const auto isSpecific = (_type == Type::SpecificUsers);
+
+	if (paintOver) {
+		p.fillRect(e->rect(), _st.button.textBgOver);
+	}
+	Ui::RippleButton::paintRipple(p, 0, 0);
+	_userpic.paintCircle(
+		p,
+		_st.photoPosition.x(),
+		_st.photoPosition.y(),
+		outerWidth,
+		_st.photoSize);
+	{
+		const auto &userpic = isSpecific
+			? st::giveawayUserpicGroup
+			: st::giveawayUserpic;
+		const auto userpicRect = QRect(
+			_st.photoPosition
+				- QPoint(
+					isSpecific ? -st::giveawayUserpicSkip : 0,
+					isSpecific ? 0 : st::giveawayUserpicSkip),
+			Size(_st.photoSize));
+		userpic.paintInCenter(p, userpicRect);
+	}
+
+	const auto namex = _st.namePosition.x();
+	const auto namey = _st.namePosition.y();
+	const auto namew = outerWidth - namex - skipRight;
+
+	p.setPen(_st.nameFg);
+	_name.drawLeftElided(p, namex, namey, namew, width());
+
+	const auto statusx = _st.statusPosition.x();
+	const auto statusy = _st.statusPosition.y();
+	const auto statusw = outerWidth - statusx - skipRight;
+	p.setFont(st::contactsStatusFont);
+	p.setPen(isSpecific ? st::lightButtonFg : _st.statusFg);
+	_status.drawLeftElided(p, statusx, statusy, statusw, outerWidth);
+}
+
+void GiveawayTypeRow::addRadio(
+		std::shared_ptr<Ui::RadioenumGroup<Type>> typeGroup) {
+	const auto &st = st::defaultCheckbox;
+	const auto radio = Ui::CreateChild<Ui::Radioenum<Type>>(
+		this,
+		std::move(typeGroup),
+		_type,
+		QString(),
+		st);
+	radio->moveToLeft(
+		st::giveawayRadioPosition.x(),
+		st::giveawayRadioPosition.y());
+	radio->setAttribute(Qt::WA_TransparentForMouseEvents);
+	radio->show();
+}
+
+} // namespace Giveaway

Telegram/SourceFiles/info/boosts/giveaway/giveaway_type_row.h

@@ -0,0 +1,49 @@
+/*
+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
+
+#include "ui/empty_userpic.h"
+#include "ui/widgets/buttons.h"
+
+namespace Ui {
+template <typename Enum>
+class RadioenumGroup;
+} // namespace Ui
+
+namespace Giveaway {
+
+class GiveawayTypeRow final : public Ui::RippleButton {
+public:
+	enum class Type {
+		Random,
+		SpecificUsers,
+	};
+
+	GiveawayTypeRow(
+		not_null<Ui::RpWidget*> parent,
+		Type type,
+		rpl::producer<QString> subtitle);
+
+	void addRadio(std::shared_ptr<Ui::RadioenumGroup<Type>> typeGroup);
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+
+	int resizeGetHeight(int) override;
+
+private:
+	const style::PeerListItem _st;
+	const Type _type;
+
+	Ui::EmptyUserpic _userpic;
+	Ui::Text::String _status;
+	Ui::Text::String _name;
+
+};
+
+} // namespace Giveaway

Telegram/SourceFiles/statistics/statistics.style

@@ -148,3 +148,15 @@ getBoostsButton: SettingsButton(reportReasonButton) {
 	textFgOver: lightButtonFg;
 }
 getBoostsButtonIcon: icon {{ "menu/gift_premium", lightButtonFg }};
+
+giveawayTypeListItem: PeerListItem(defaultPeerListItem) {
+	height: 52px;
+	photoPosition: point(58px, 6px);
+	namePosition: point(110px, 8px);
+	statusPosition: point(110px, 28px);
+	photoSize: 42px;
+}
+giveawayUserpic: icon {{ "boosts/filled_gift", windowFgActive }};
+giveawayUserpicSkip: 1px;
+giveawayUserpicGroup: icon {{ "limits/groups", windowFgActive }};
+giveawayRadioPosition: point(21px, 16px);

Telegram/cmake/td_ui.cmake

@@ -109,6 +109,9 @@ PRIVATE
     info/userpic/info_userpic_emoji_builder_layer.cpp
     info/userpic/info_userpic_emoji_builder_layer.h
 
+    info/boosts/giveaway/giveaway_type_row.cpp
+    info/boosts/giveaway/giveaway_type_row.h
+
     layout/abstract_layout_item.cpp
     layout/abstract_layout_item.h
     layout/layout_mosaic.cpp