Allow setting background for both sides.

Telegram/Resources/langs/lang.strings

@@ -839,6 +839,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_background_dimming" = "Background dimming";
 "lng_background_sure_reset_default" = "Are you sure you want to reset the wallpaper?";
 "lng_background_reset_default" = "Reset";
+"lng_background_apply_me" = "Apply for me";
+"lng_background_apply_both" = "Apply for me and {user}";
 
 "lng_download_path_ask" = "Ask download path for each file";
 "lng_download_path" = "Download path";

Telegram/SourceFiles/boxes/background_preview_box.cpp

@@ -7,6 +7,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "boxes/background_preview_box.h"
 
+#include "base/unixtime.h"
+#include "boxes/premium_preview_box.h"
 #include "lang/lang_keys.h"
 #include "mainwidget.h"
 #include "window/themes/window_theme.h"
@@ -18,6 +20,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/image/image.h"
 #include "ui/widgets/checkbox.h"
 #include "ui/widgets/continuous_sliders.h"
+#include "ui/wrap/fade_wrap.h"
 #include "ui/wrap/slide_wrap.h"
 #include "ui/painter.h"
 #include "ui/vertical_list.h"
@@ -34,12 +37,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_document_media.h"
 #include "data/data_document_resolver.h"
 #include "data/data_file_origin.h"
-#include "base/unixtime.h"
-#include "boxes/background_preview_box.h"
-#include "window/window_session_controller.h"
-#include "window/themes/window_themes_embedded.h"
+#include "data/data_peer_values.h"
+#include "settings/settings_premium.h"
 #include "storage/file_upload.h"
 #include "storage/localimageloader.h"
+#include "window/window_session_controller.h"
+#include "window/themes/window_themes_embedded.h"
 #include "styles/style_chat.h"
 #include "styles/style_layers.h"
 #include "styles/style_boxes.h"
@@ -509,6 +512,10 @@ void BackgroundPreviewBox::recreateBlurCheckbox() {
 	}, _blur->lifetime());
 
 	_blur->setDisabled(_paper.document() && _full.isNull());
+
+	if (_forBothOverlay) {
+		_forBothOverlay->raise();
+	}
 }
 
 void BackgroundPreviewBox::apply() {
@@ -519,7 +526,7 @@ void BackgroundPreviewBox::apply() {
 	}
 }
 
-void BackgroundPreviewBox::uploadForPeer() {
+void BackgroundPreviewBox::uploadForPeer(bool both) {
 	Expects(_forPeer != nullptr);
 
 	if (_uploadId) {
@@ -578,7 +585,7 @@ void BackgroundPreviewBox::uploadForPeer() {
 					"Got wallPaperNoFile after account.UploadWallPaper."));
 			});
 			if (const auto paper = Data::WallPaper::Create(session, result)) {
-				setExistingForPeer(*paper);
+				setExistingForPeer(*paper, both);
 			}
 		}).send();
 	}, _uploadLifetime);
@@ -587,7 +594,9 @@ void BackgroundPreviewBox::uploadForPeer() {
 	_radial.start(_uploadProgress);
 }
 
-void BackgroundPreviewBox::setExistingForPeer(const Data::WallPaper &paper) {
+void BackgroundPreviewBox::setExistingForPeer(
+		const Data::WallPaper &paper,
+		bool both) {
 	Expects(_forPeer != nullptr);
 
 	if (const auto already = _forPeer->wallPaper()) {
@@ -601,6 +610,7 @@ void BackgroundPreviewBox::setExistingForPeer(const Data::WallPaper &paper) {
 	api->request(MTPmessages_SetChatWallPaper(
 		MTP_flags((_fromMessageId ? Flag::f_id : Flag())
 			| (_fromMessageId ? Flag() : Flag::f_wallpaper)
+			| (both ? Flag::f_for_both : Flag())
 			| Flag::f_settings),
 		_forPeer->input,
 		paper.mtpInput(&_controller->session()),
@@ -617,10 +627,117 @@ void BackgroundPreviewBox::setExistingForPeer(const Data::WallPaper &paper) {
 void BackgroundPreviewBox::applyForPeer() {
 	Expects(_forPeer != nullptr);
 
-	if (Data::IsCustomWallPaper(_paper)) {
-		uploadForPeer();
+	if (!Data::IsCustomWallPaper(_paper)) {
+		if (const auto already = _forPeer->wallPaper()) {
+			if (already->equals(_paper)) {
+				_controller->finishChatThemeEdit(_forPeer);
+				return;
+			}
+		}
+	}
+
+	if (!_fromMessageId && _forPeer->session().premiumPossible()) {
+		if (_forBothOverlay) {
+			return;
+		}
+		const auto size = this->size() * style::DevicePixelRatio();
+		const auto bg = Images::DitherImage(
+			Images::BlurLargeImage(
+				Ui::GrabWidgetToImage(this).scaled(
+					size / style::ConvertScale(4),
+					Qt::IgnoreAspectRatio,
+					Qt::SmoothTransformation),
+				24).scaled(
+					size,
+					Qt::IgnoreAspectRatio,
+					Qt::SmoothTransformation));
+
+		_forBothOverlay = std::make_unique<Ui::FadeWrap<>>(
+			this,
+			object_ptr<Ui::RpWidget>(this));
+		const auto overlay = _forBothOverlay->entity();
+
+		sizeValue() | rpl::start_with_next([=](QSize size) {
+			_forBothOverlay->setGeometry({ QPoint(), size });
+			overlay->setGeometry({ QPoint(), size });
+		}, _forBothOverlay->lifetime());
+
+		overlay->paintRequest(
+		) | rpl::start_with_next([=](QRect clip) {
+			auto p = QPainter(overlay);
+			p.drawImage(0, 0, bg);
+			p.fillRect(clip, QColor(0, 0, 0, 64));
+		}, overlay->lifetime());
+
+		using namespace Ui;
+		const auto forMe = CreateChild<RoundButton>(
+			overlay,
+			tr::lng_background_apply_me(),
+			st::backgroundConfirm);
+		forMe->setClickedCallback([=] {
+			applyForPeer(false);
+		});
+		using namespace rpl::mappers;
+		const auto forBoth = ::Settings::CreateLockedButton(
+			overlay,
+			tr::lng_background_apply_both(
+				lt_user,
+				rpl::single(_forPeer->shortName())),
+			st::backgroundConfirm,
+			Data::AmPremiumValue(&_forPeer->session()) | rpl::map(!_1));
+		forBoth->setClickedCallback([=] {
+			if (_forPeer->session().premium()) {
+				applyForPeer(true);
+			} else {
+				ShowPremiumPreviewBox(
+					_controller->uiShow(),
+					PremiumPreview::AnimatedEmoji);
+			}
+		});
+		const auto cancel = CreateChild<RoundButton>(
+			overlay,
+			tr::lng_cancel(),
+			st::backgroundConfirmCancel);
+		cancel->setClickedCallback([=] {
+			const auto raw = _forBothOverlay.release();
+			raw->shownValue() | rpl::filter(
+				!rpl::mappers::_1
+			) | rpl::take(1) | rpl::start_with_next(crl::guard(raw, [=] {
+				delete raw;
+			}), raw->lifetime());
+			raw->toggle(false, anim::type::normal);
+		});
+		forMe->setTextTransform(RoundButton::TextTransform::NoTransform);
+		forBoth->setTextTransform(RoundButton::TextTransform::NoTransform);
+		cancel->setTextTransform(RoundButton::TextTransform::NoTransform);
+
+		overlay->sizeValue(
+		) | rpl::start_with_next([=](QSize size) {
+			const auto padding = st::backgroundConfirmPadding;
+			const auto width = size.width()
+				- padding.left()
+				- padding.right();
+			const auto height = cancel->height();
+			auto top = size.height() - padding.bottom() - height;
+			cancel->setGeometry(padding.left(), top, width, height);
+			top -= height + padding.top();
+			forBoth->setGeometry(padding.left(), top, width, height);
+			top -= height + padding.top();
+			forMe->setGeometry(padding.left(), top, width, height);
+		}, _forBothOverlay->lifetime());
+
+		_forBothOverlay->hide(anim::type::instant);
+		_forBothOverlay->show(anim::type::normal);
 	} else {
-		setExistingForPeer(_paper);
+		applyForPeer(false);
+	}
+}
+
+void BackgroundPreviewBox::applyForPeer(bool both) {
+	if (Data::IsCustomWallPaper(_paper)) {
+		uploadForPeer(both);
+	} else {
+		setExistingForPeer(_paper, both);
 	}
 }
 

Telegram/SourceFiles/boxes/background_preview_box.h

@@ -29,6 +29,8 @@ class ChatStyle;
 class MediaSlider;
 template <typename Widget>
 class SlideWrap;
+template <typename Widget>
+class FadeWrap;
 } // namespace Ui
 
 struct BackgroundPreviewArgs {
@@ -66,9 +68,10 @@ private:
 
 	void apply();
 	void applyForPeer();
+	void applyForPeer(bool both);
 	void applyForEveryone();
-	void uploadForPeer();
-	void setExistingForPeer(const Data::WallPaper &paper);
+	void uploadForPeer(bool both);
+	void setExistingForPeer(const Data::WallPaper &paper, bool both);
 	void share();
 	void radialAnimationCallback(crl::time now);
 	QRect radialRect() const;
@@ -131,6 +134,8 @@ private:
 	float64 _uploadProgress = 0.;
 	rpl::lifetime _uploadLifetime;
 
+	std::unique_ptr<Ui::FadeWrap<Ui::RpWidget>> _forBothOverlay;
+
 	rpl::variable<QColor> _paletteServiceBg;
 	rpl::lifetime _serviceBgLifetime;
 

Telegram/SourceFiles/boxes/boxes.style

@@ -753,7 +753,28 @@ backgroundCheck: ServiceCheck {
 	color: msgServiceFg;
 	duration: 200;
 }
+backgroundConfirmPadding: margins(24px, 16px, 24px, 16px);
+backgroundConfirm: RoundButton(defaultActiveButton) {
+	height: 44px;
+	textTop: 12px;
+	font: font(13px semibold);
+}
+backgroundConfirmCancel: RoundButton(backgroundConfirm) {
+	textFg: mediaviewSaveMsgFg;
+	textFgOver: mediaviewSaveMsgFg;
+	numbersTextFg: mediaviewSaveMsgFg;
+	numbersTextFgOver: mediaviewSaveMsgFg;
+	textBg: shadowFg;
+	textBgOver: shadowFg;
 
+	height: 44px;
+	textTop: 12px;
+	font: font(13px semibold);
+
+	ripple: RippleAnimation(defaultRippleAnimation) {
+		color: shadowFg;
+	}
+}
 urlAuthCheckbox: Checkbox(defaultBoxCheckbox) {
 	width: 240px;
 }

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

@@ -406,6 +406,11 @@ void SimilarChannels::validateCounterBg(const Channel &channel) const {
 	channel.counterRect = badge.marginsAdded(
 		st::chatSimilarBadgePadding);
 
+	constexpr auto kMinSaturation = 0;
+	constexpr auto kMaxSaturation = 96;
+	constexpr auto kMinLightness = 160;
+	constexpr auto kMaxLightness = 208;
+
 	const auto width = channel.counterRect.width();
 	const auto height = channel.counterRect.height();
 	const auto ratio = style::DevicePixelRatio();
@@ -413,16 +418,12 @@ void SimilarChannels::validateCounterBg(const Channel &channel) const {
 		channel.counterRect.size() * ratio,
 		QImage::Format_ARGB32_Premultiplied);
 	auto color = channel.more
-		? st::windowBgRipple->c
+		? QColor(kMinLightness, kMinLightness, kMinLightness)
 		: Ui::CountAverageColor(
 			channel.thumbnail->image(photo).copy(
 				QRect(photo / 3, photo / 3, photo / 3, photo / 3)));
 
 	const auto hsl = color.toHsl();
-	constexpr auto kMinSaturation = 0;
-	constexpr auto kMaxSaturation = 96;
-	constexpr auto kMinLightness = 160;
-	constexpr auto kMaxLightness = 208;
 	if (!base::in_range(hsl.saturation(), kMinSaturation, kMaxSaturation)
 		|| !base::in_range(hsl.lightness(), kMinLightness, kMaxLightness)) {
 		color = QColor::fromHsl(

Telegram/SourceFiles/info/info.style

@@ -956,7 +956,15 @@ permissionsExpandIcon: icon{{ "info/edit/expand_arrow_small", windowBoldFg }};
 
 similarChannelsLockOverlap: 58px;
 similarChannelsLockFade: 58px;
-similarChannelsLock: defaultActiveButton;
+similarChannelsLock: RoundButton(defaultActiveButton) {
+	height: 44px;
+	textTop: 12px;
+	font: font(13px semibold);
+}
+similarChannelsLockLabel: FlatLabel(defaultFlatLabel) {
+	textFg: premiumButtonFg;
+	style: semiboldTextStyle;
+}
 similarChannelsLockPadding: margins(12px, 12px, 12px, 12px);
 similarChannelsLockAbout: FlatLabel(defaultFlatLabel) {
 	textFg: windowSubTextFg;

Telegram/SourceFiles/info/similar_channels/info_similar_channels_widget.cpp

@@ -144,15 +144,16 @@ void ListController::setupUnlock() {
 	_unlock = Ui::CreateChild<Ui::RpWidget>(_content);
 	_unlock->show();
 
-	const auto button = Ui::CreateChild<Ui::RoundButton>(
+	const auto button = ::Settings::CreateLockedButton(
 		_unlock,
 		tr::lng_similar_channels_show_more(),
-		st::similarChannelsLock);
-	button->setTextTransform(Ui::RoundButton::TextTransform::NoTransform);
+		st::similarChannelsLock,
+		rpl::single(true));
 	button->setClickedCallback([=] {
 		const auto window = _controller->parentController();
 		::Settings::ShowPremium(window, u"similar_channels"_q);
 	});
+
 	const auto upto = Data::PremiumLimits(
 		&_channel->session()).similarChannelsPremium();
 	const auto about = Ui::CreateChild<Ui::FlatLabel>(

Telegram/SourceFiles/settings/settings_premium.cpp

@@ -56,6 +56,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/unixtime.h"
 #include "apiwrap.h"
 #include "api/api_premium.h"
+#include "styles/style_chat_helpers.h"
 #include "styles/style_premium.h"
 #include "styles/style_info.h"
 #include "styles/style_layers.h"
@@ -1497,6 +1498,60 @@ void ShowPremiumPromoToast(
 	});
 }
 
+not_null<Ui::RoundButton*> CreateLockedButton(
+		not_null<QWidget*> parent,
+		rpl::producer<QString> text,
+		const style::RoundButton &st,
+		rpl::producer<bool> locked) {
+	const auto result = Ui::CreateChild<Ui::RoundButton>(
+		parent.get(),
+		rpl::single(QString()),
+		st);
+
+	const auto labelSt = result->lifetime().make_state<style::FlatLabel>(
+		st::defaultFlatLabel);
+	labelSt->style.font = st.font;
+	labelSt->textFg = st.textFg;
+
+	const auto label = Ui::CreateChild<Ui::FlatLabel>(
+		result,
+		std::move(text),
+		*labelSt);
+	label->setAttribute(Qt::WA_TransparentForMouseEvents);
+
+	const auto icon = Ui::CreateChild<Ui::RpWidget>(result);
+	icon->setAttribute(Qt::WA_TransparentForMouseEvents);
+	icon->resize(st::stickersPremiumLock.size());
+	icon->paintRequest() | rpl::start_with_next([=] {
+		auto p = QPainter(icon);
+		st::stickersPremiumLock.paint(p, 0, 0, icon->width());
+	}, icon->lifetime());
+
+	rpl::combine(
+		result->widthValue(),
+		label->widthValue(),
+		std::move(locked)
+	) | rpl::start_with_next([=](int outer, int inner, bool locked) {
+		if (locked) {
+			icon->show();
+			inner += icon->width();
+			label->move(
+				(outer - inner) / 2 + icon->width(),
+				st::similarChannelsLock.textTop);
+			icon->move(
+				(outer - inner) / 2,
+				st::similarChannelsLock.textTop);
+		} else {
+			icon->hide();
+			label->move(
+				(outer - inner) / 2,
+				st::similarChannelsLock.textTop);
+		}
+	}, result->lifetime());
+
+	return result;
+}
+
 not_null<Ui::GradientButton*> CreateSubscribeButton(
 		SubscribeButtonArgs &&args) {
 	Expects(args.show || args.controller);

Telegram/SourceFiles/settings/settings_premium.h

@@ -11,12 +11,17 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 enum class PremiumPreview;
 
+namespace style {
+struct RoundButton;
+} // namespace style
+
 namespace ChatHelpers {
 class Show;
 } // namespace ChatHelpers
 
 namespace Ui {
 class RpWidget;
+class RoundButton;
 class GradientButton;
 } // namespace Ui
 
@@ -66,6 +71,13 @@ struct SubscribeButtonArgs final {
 	std::shared_ptr<ChatHelpers::Show> show;
 };
 
+
+[[nodiscard]] not_null<Ui::RoundButton*> CreateLockedButton(
+	not_null<QWidget*> parent,
+	rpl::producer<QString> text,
+	const style::RoundButton &st,
+	rpl::producer<bool> locked);
+
 [[nodiscard]] not_null<Ui::GradientButton*> CreateSubscribeButton(
 	SubscribeButtonArgs &&args);
 

Telegram/SourceFiles/ui/chat/chat.style

@@ -991,8 +991,8 @@ chatSimilarBadgePadding: margins(2px, 0px, 3px, 1px);
 chatSimilarBadgeTop: 43px;
 chatSimilarBadgeIcon: icon{{ "chat/mini_subscribers", premiumButtonFg }};
 chatSimilarBadgeIconPosition: point(0px, 1px);
-chatSimilarLockedIcon: icon{{ "emoji/premium_lock", premiumButtonFg }};
-chatSimilarLockedIconPosition: point(0px, -1px);
+chatSimilarLockedIcon: icon{{ "chat/mini_lock", premiumButtonFg }};
+chatSimilarLockedIconPosition: point(0px, 1px);
 chatSimilarBadgeFont: font(10px bold);
 chatSimilarNameTop: 59px;
 chatSimilarName: TextStyle(defaultTextStyle) {