Added initial implementation of translate box.

Telegram/CMakeLists.txt

@@ -287,6 +287,8 @@ PRIVATE
     boxes/sticker_set_box.h
     boxes/stickers_box.cpp
     boxes/stickers_box.h
+    boxes/translate_box.cpp
+    boxes/translate_box.h
     boxes/url_auth_box.cpp
     boxes/url_auth_box.h
     boxes/username_box.cpp

Telegram/Resources/langs/lang.strings

@@ -3385,6 +3385,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_language_not_ready_about" = "Unfortunately, this custom language pack ({lang_name}) doesn't contain data for Telegram Desktop. You can contribute to this language pack using the {link}.";
 "lng_language_not_ready_link" = "translations platform";
 
+"lng_translate_box_original" = "Original";
+"lng_translate_box_error" = "Translate failed.";
+
 "lng_launch_exe_warning" = "This file has a {extension} extension.\nAre you sure you want to run it?";
 "lng_launch_svg_warning" = "Opening this file can potentially expose your IP address to its sender. Continue?";
 "lng_launch_exe_sure" = "Run";

Telegram/SourceFiles/boxes/about_sponsored_box.cpp

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/about_sponsored_box.h"
 
 #include "lang/lang_keys.h"
+#include "ui/layers/generic_box.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/labels.h"
 #include "styles/style_boxes.h"

Telegram/SourceFiles/boxes/about_sponsored_box.h

@@ -7,10 +7,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#include "ui/layers/generic_box.h"
-
 namespace Ui {
 
+class GenericBox;
+
 void AboutSponsoredBox(not_null<Ui::GenericBox*> box);
 
 } // namespace Ui

Telegram/SourceFiles/boxes/translate_box.cpp

@@ -0,0 +1,174 @@
+/*
+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/translate_box.h"
+
+#include "data/data_peer.h"
+#include "lang/lang_instance.h"
+#include "lang/lang_keys.h"
+#include "main/main_session.h"
+#include "mtproto/sender.h"
+#include "settings/settings_common.h"
+#include "ui/layers/generic_box.h"
+#include "ui/widgets/buttons.h"
+#include "ui/widgets/labels.h"
+#include "ui/wrap/fade_wrap.h"
+#include "ui/wrap/slide_wrap.h"
+#include "styles/style_boxes.h"
+#include "styles/style_chat_helpers.h"
+#include "styles/style_layers.h"
+
+namespace Ui {
+namespace {
+
+class ShowButton : public RpWidget {
+public:
+	ShowButton(not_null<Ui::RpWidget*> parent);
+
+	[[nodiscard]] rpl::producer<Qt::MouseButton> clicks() const;
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+
+private:
+	LinkButton _button;
+
+};
+
+ShowButton::ShowButton(not_null<Ui::RpWidget*> parent)
+: RpWidget(parent)
+, _button(this, tr::lng_usernames_activate_confirm(tr::now)) {
+	_button.sizeValue(
+	) | rpl::start_with_next([=](const QSize &s) {
+		resize(
+			s.width() + st::emojiSuggestionsFadeRight.width(),
+			s.height());
+		_button.moveToRight(0, 0);
+	}, lifetime());
+	_button.show();
+}
+
+void ShowButton::paintEvent(QPaintEvent *e) {
+	auto p = QPainter(this);
+	const auto clip = e->rect();
+
+	const auto &icon = st::emojiSuggestionsFadeRight;
+	const auto fade = QRect(0, 0, icon.width(), height());
+	if (fade.intersects(clip)) {
+		icon.fill(p, fade);
+	}
+	const auto fill = clip.intersected(
+		{ icon.width(), 0, width() - icon.width(), height() });
+	if (!fill.isEmpty()) {
+		p.fillRect(fill, st::boxBg);
+	}
+}
+
+rpl::producer<Qt::MouseButton> ShowButton::clicks() const {
+	return _button.clicks();
+}
+
+} // namespace
+
+void TranslateBox(
+		not_null<Ui::GenericBox*> box,
+		not_null<PeerData*> peer,
+		MsgId msgId,
+		TextWithEntities text) {
+	box->setWidth(st::boxWideWidth);
+	box->addButton(tr::lng_box_ok(), [=] { box->closeBox(); });
+	const auto container = box->verticalLayout();
+
+	const auto api = box->lifetime().make_state<MTP::Sender>(
+		&peer->session().mtp());
+
+	using Flag = MTPmessages_translateText::Flag;
+	const auto flags = msgId
+		? (Flag::f_peer | Flag::f_msg_id)
+		: !text.text.isEmpty()
+		? Flag::f_text
+		: Flag(0);
+
+	const auto &stLabel = st::aboutLabel;
+	const auto lineHeight = stLabel.style.lineHeight;
+
+	Settings::AddSkip(container);
+	Settings::AddSubsectionTitle(
+		container,
+		tr::lng_translate_box_original());
+
+	const auto original = box->addRow(object_ptr<SlideWrap<FlatLabel>>(
+		box,
+		object_ptr<FlatLabel>(box, stLabel)));
+	{
+		original->entity()->setMarkedText(text);
+		original->setMinimalHeight(lineHeight);
+		original->hide(anim::type::instant);
+
+		const auto show = Ui::CreateChild<FadeWrap<ShowButton>>(
+			container.get(),
+			object_ptr<ShowButton>(container));
+		show->hide(anim::type::instant);
+		original->geometryValue(
+		) | rpl::start_with_next([=](const QRect &rect) {
+			show->moveToLeft(
+				rect.x() + rect.width() - show->width(),
+				rect.y() + std::abs(lineHeight - show->height()) / 2);
+		}, show->lifetime());
+		original->entity()->heightValue(
+		) | rpl::filter([](int height) {
+			return height > 0;
+		}) | rpl::take(1) | rpl::start_with_next([=](int height) {
+			if (height > lineHeight) {
+				show->show(anim::type::instant);
+			}
+		}, show->lifetime());
+		show->toggleOn(show->entity()->clicks() | rpl::map_to(false));
+		original->toggleOn(show->entity()->clicks() | rpl::map_to(true));
+	}
+	Settings::AddSkip(container);
+	Settings::AddSkip(container);
+	Settings::AddDivider(container);
+	Settings::AddSkip(container);
+
+	Settings::AddSubsectionTitle(
+		container,
+		rpl::single(Lang::GetInstance().nativeName()));
+
+	const auto translated = box->addRow(object_ptr<SlideWrap<FlatLabel>>(
+		box,
+		object_ptr<FlatLabel>(box, stLabel)));
+	translated->entity()->setSelectable(true);
+	translated->hide(anim::type::instant);
+
+	const auto showText = [=](const QString &text) {
+		translated->entity()->setText(text);
+		translated->show(anim::type::normal);
+	};
+
+	api->request(MTPmessages_TranslateText(
+		MTP_flags(flags),
+		msgId ? peer->input : MTP_inputPeerEmpty(),
+		MTP_int(msgId),
+		MTP_string(text.text),
+		MTPstring(),
+		MTP_string(Lang::LanguageIdOrDefault(Lang::Id()))
+	)).done([=](const MTPmessages_TranslatedText &result) {
+		const auto text = result.match([](
+				const MTPDmessages_translateNoResult &data) {
+			return tr::lng_translate_box_error(tr::now);
+		}, [](const MTPDmessages_translateResultText &data) {
+			return qs(data.vtext());
+		});
+		showText(text);
+	}).fail([=](const MTP::Error &error) {
+		showText(tr::lng_translate_box_error(tr::now));
+	}).send();
+
+}
+
+} // namespace Ui

Telegram/SourceFiles/boxes/translate_box.h

@@ -0,0 +1,22 @@
+/*
+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
+
+class PeerData;
+
+namespace Ui {
+
+class GenericBox;
+
+void TranslateBox(
+	not_null<Ui::GenericBox*> box,
+	not_null<PeerData*> peer,
+	MsgId msgId,
+	TextWithEntities text);
+
+} // namespace Ui

Telegram/lib_ui

@@ -1 +1 @@
-Subproject commit 3f28dfa821a85debe162c39ab64d1967f6029126
+Subproject commit e6064719dfb885910b73e0e90da8a66afa98f75a