Added initial overview subsection to channel earn info section.

Telegram/SourceFiles/info/channel_statistics/earn/channel_earn.style

@@ -9,3 +9,24 @@ using "ui/basic.style";
 using "boxes/boxes.style";
 
 channelEarnLearnArrowMargins: margins(-2px, 5px, 0px, 0px);
+
+channelEarnOverviewMajorLabel: FlatLabel(defaultFlatLabel) {
+	maxHeight: 30px;
+	style: TextStyle(defaultTextStyle) {
+		font: font(15px semibold);
+	}
+}
+channelEarnOverviewMinorLabel: FlatLabel(channelEarnOverviewMajorLabel) {
+	maxHeight: 30px;
+	style: TextStyle(defaultTextStyle) {
+		font: font(12px semibold);
+	}
+}
+channelEarnOverviewMinorLabelSkip: 3px;
+channelEarnOverviewSubMinorLabel: FlatLabel(channelEarnOverviewMinorLabel) {
+	textFg: windowSubTextFg;
+	style: TextStyle(defaultTextStyle) {
+		font: font(13px);
+	}
+}
+channelEarnOverviewSubMinorLabelSkip: 4px;

Telegram/SourceFiles/info/channel_statistics/earn/info_earn_inner_widget.cpp

@@ -7,6 +7,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "info/channel_statistics/earn/info_earn_inner_widget.h"
 
+#include "base/random.h"
+#include "chat_helpers/stickers_emoji_pack.h"
 #include "core/ui_integration.h" // Core::MarkedTextContext.
 #include "data/data_peer.h"
 #include "data/data_session.h"
@@ -15,15 +17,52 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "info/info_controller.h"
 #include "lang/lang_keys.h"
 #include "main/main_session.h"
+#include "statistics/widgets/chart_header_widget.h"
+#include "ui/rect.h"
 #include "ui/text/text_utilities.h"
 #include "ui/vertical_list.h"
 #include "ui/widgets/labels.h"
+#include "ui/wrap/slide_wrap.h"
 #include "styles/style_channel_earn.h"
 #include "styles/style_chat.h"
 #include "styles/style_layers.h"
+#include "styles/style_statistics.h"
 
 namespace Info::ChannelEarn {
 namespace {
+
+void AddHeader(
+		not_null<Ui::VerticalLayout*> content,
+		tr::phrase<> text) {
+	const auto header = content->add(
+		object_ptr<Statistic::Header>(content),
+		st::statisticsLayerMargins + st::boostsChartHeaderPadding);
+	header->resizeToWidth(header->width());
+	header->setTitle(text(tr::now));
+	header->setSubTitle({});
+}
+
+void AddEmojiToMajor(
+		not_null<Ui::FlatLabel*> label,
+		not_null<Main::Session*> session,
+		float64 value) {
+	auto emoji = TextWithEntities{
+		.text = (QString(QChar(0xD83D)) + QChar(0xDC8E)),
+	};
+	if (const auto e = Ui::Emoji::Find(emoji.text)) {
+		const auto sticker = session->emojiStickersPack().stickerForEmoji(e);
+		if (sticker.document) {
+			emoji = Data::SingleCustomEmoji(sticker.document);
+		}
+	}
+	label->setMarkedText(
+		emoji.append(' ').append(QString::number(int64(value))),
+		Core::MarkedTextContext{
+			.session = session,
+			.customEmojiRepaint = [label] { label->update(); },
+		});
+}
+
 } // namespace
 
 InnerWidget::InnerWidget(
@@ -76,6 +115,75 @@ void InnerWidget::fill() {
 			st::defaultBoxDividerLabelPadding,
 			RectPart::Top | RectPart::Bottom));
 	}
+	Ui::AddSkip(container);
+	Ui::AddDivider(container);
+	Ui::AddSkip(container);
+	{
+		Ui::AddSkip(container);
+		AddHeader(container, tr::lng_channel_earn_overview_title);
+		Ui::AddSkip(container);
+		Ui::AddSkip(container);
+
+		const auto multiplier = 3.8; // Debug.
+		const auto addOverviewEntry = [&](
+				float64 value,
+				const tr::phrase<> &text) {
+			value = base::RandomIndex(1000000) / 1000.; // Debug.
+			const auto line = container->add(
+				Ui::CreateSkipWidget(container, 0),
+				st::boxRowPadding);
+			const auto majorLabel = Ui::CreateChild<Ui::FlatLabel>(
+				line,
+				st::channelEarnOverviewMajorLabel);
+			AddEmojiToMajor(majorLabel, session, value);
+			const auto minorLabel = Ui::CreateChild<Ui::FlatLabel>(
+				line,
+				QString::number(value - int64(value)).mid(1),
+				st::channelEarnOverviewMinorLabel);
+			const auto secondMinorLabel = Ui::CreateChild<Ui::FlatLabel>(
+				line,
+				QString(QChar(0x2248))
+					+ QChar('$')
+					+ QString::number(value * multiplier),
+				st::channelEarnOverviewSubMinorLabel);
+			rpl::combine(
+				line->widthValue(),
+				majorLabel->sizeValue()
+			) | rpl::start_with_next([=](int available, const QSize &size) {
+				line->resize(line->width(), size.height());
+				minorLabel->moveToLeft(
+					size.width(),
+					st::channelEarnOverviewMinorLabelSkip);
+				secondMinorLabel->resizeToWidth(available
+					- size.width()
+					- minorLabel->width());
+				secondMinorLabel->moveToLeft(
+					rect::right(minorLabel)
+						+ st::channelEarnOverviewSubMinorLabelSkip,
+					st::channelEarnOverviewSubMinorLabelSkip);
+			}, minorLabel->lifetime());
+
+			Ui::AddSkip(container);
+			const auto sub = container->add(
+				object_ptr<Ui::FlatLabel>(
+					container,
+					text(),
+					st::channelEarnOverviewSubMinorLabel),
+				st::boxRowPadding);
+			sub->setTextColorOverride(st::windowSubTextFg->c);
+		};
+		addOverviewEntry(0, tr::lng_channel_earn_available);
+		Ui::AddSkip(container);
+		Ui::AddSkip(container);
+		addOverviewEntry(0, tr::lng_channel_earn_reward);
+		Ui::AddSkip(container);
+		Ui::AddSkip(container);
+		addOverviewEntry(0, tr::lng_channel_earn_total);
+		Ui::AddSkip(container);
+	}
+	Ui::AddSkip(container);
+	Ui::AddDivider(container);
+	Ui::AddSkip(container);
 }
 
 void InnerWidget::saveState(not_null<Memento*> memento) {