Support markdown and replaces in media captions.

Telegram/SourceFiles/boxes/add_contact_box.cpp

@@ -329,6 +329,9 @@ void GroupInfoBox::prepare() {
 			langFactory(lng_create_group_description));
 		_description->show();
 		_description->setMaxLength(kMaxChannelDescription);
+		_description->setInstantReplaces(Ui::InstantReplaces::Default());
+		_description->setInstantReplacesEnabled(
+			Global::ReplaceEmojiValue());
 
 		connect(_description, SIGNAL(resized()), this, SLOT(onDescriptionResized()));
 		connect(_description, SIGNAL(submitted(bool)), this, SLOT(onNext()));
@@ -1080,6 +1083,7 @@ void EditBioBox::prepare() {
 	connect(_bio, &Ui::InputField::resized, this, [this] { updateMaxHeight(); });
 	connect(_bio, &Ui::InputField::changed, this, [this] { handleBioUpdated(); });
 	_bio->setInstantReplaces(Ui::InstantReplaces::Default());
+	_bio->setInstantReplacesEnabled(Global::ReplaceEmojiValue());
 	handleBioUpdated();
 	updateMaxHeight();
 }
@@ -1161,6 +1165,8 @@ void EditChannelBox::prepare() {
 
 	_title->setMaxLength(kMaxGroupChannelTitle);
 	_description->setMaxLength(kMaxChannelDescription);
+	_description->setInstantReplaces(Ui::InstantReplaces::Default());
+	_description->setInstantReplacesEnabled(Global::ReplaceEmojiValue());
 
 	connect(_description, SIGNAL(resized()), this, SLOT(onDescriptionResized()));
 	connect(_description, SIGNAL(submitted(bool)), this, SLOT(onSave()));

Telegram/SourceFiles/boxes/edit_caption_box.cpp

@@ -16,6 +16,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_photo.h"
 #include "data/data_document.h"
 #include "lang/lang_keys.h"
+#include "chat_helpers/message_field.h"
 #include "window/window_controller.h"
 #include "mainwidget.h"
 #include "layout.h"
@@ -50,7 +51,11 @@ EditCaptionBox::EditCaptionBox(
 		}
 		doc = document;
 	}
-	auto caption = item->originalText().text;
+	const auto original = item->originalText();
+	const auto editData = TextWithTags {
+		original.text,
+		ConvertEntitiesToTextTags(original.entities)
+	};
 
 	if (!_animated && (dimensions.isEmpty() || doc || image->isNull())) {
 		if (image->isNull()) {
@@ -135,10 +140,12 @@ EditCaptionBox::EditCaptionBox(
 		st::confirmCaptionArea,
 		Ui::InputField::Mode::MultiLine,
 		langFactory(lng_photo_caption),
-		caption);
+		editData);
 	_field->setMaxLength(MaxPhotoCaption);
 	_field->setSubmitSettings(Ui::InputField::SubmitSettings::Both);
 	_field->setInstantReplaces(Ui::InstantReplaces::Default());
+	_field->setInstantReplacesEnabled(Global::ReplaceEmojiValue());
+	_field->setMarkdownReplacesEnabled(Global::ReplaceEmojiValue());
 }
 
 void EditCaptionBox::prepareGifPreview(DocumentData *document) {
@@ -338,17 +345,29 @@ void EditCaptionBox::save() {
 	if (_previewCancelled) {
 		flags |= MTPmessages_EditMessage::Flag::f_no_webpage;
 	}
-	MTPVector<MTPMessageEntity> sentEntities;
+	const auto textWithTags = _field->getTextWithTags();
+	auto sending = TextWithEntities{
+		textWithTags.text,
+		ConvertTextTagsToEntities(textWithTags.tags)
+	};
+	const auto prepareFlags = Ui::ItemTextOptions(
+		item->history(),
+		App::self()).flags;
+	TextUtilities::PrepareForSending(sending, prepareFlags);
+	TextUtilities::Trim(sending);
+
+	const auto sentEntities = TextUtilities::EntitiesToMTP(
+		sending.entities,
+		TextUtilities::ConvertOption::SkipLocal);
 	if (!sentEntities.v.isEmpty()) {
 		flags |= MTPmessages_EditMessage::Flag::f_entities;
 	}
-	auto text = TextUtilities::PrepareForSending(_field->getLastText(), TextUtilities::PrepareTextOption::CheckLinks);
 	_saveRequestId = MTP::send(
 		MTPmessages_EditMessage(
 			MTP_flags(flags),
 			item->history()->peer->input,
 			MTP_int(item->id),
-			MTP_string(text),
+			MTP_string(sending.text),
 			MTPnullMarkup,
 			sentEntities,
 			MTP_inputGeoPointEmpty()),

Telegram/SourceFiles/boxes/peers/edit_peer_info_box.cpp

@@ -328,6 +328,8 @@ object_ptr<Ui::RpWidget> Controller::createDescriptionEdit() {
 		st::editPeerDescriptionMargins);
 	result->entity()->setMaxLength(kMaxChannelDescription);
 	result->entity()->setInstantReplaces(Ui::InstantReplaces::Default());
+	result->entity()->setInstantReplacesEnabled(
+		Global::ReplaceEmojiValue());
 
 	QObject::connect(
 		result->entity(),

Telegram/SourceFiles/boxes/send_files_box.cpp

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "storage/storage_media_prepare.h"
 #include "mainwidget.h"
 #include "history/history_media_types.h"
+#include "chat_helpers/message_field.h"
 #include "core/file_utilities.h"
 #include "ui/widgets/checkbox.h"
 #include "ui/widgets/buttons.h"
@@ -1578,6 +1579,8 @@ void SendFilesBox::setupCaption() {
 		Unexpected("action in MimeData hook.");
 	});
 	_caption->setInstantReplaces(Ui::InstantReplaces::Default());
+	_caption->setInstantReplacesEnabled(Global::ReplaceEmojiValue());
+	_caption->setMarkdownReplacesEnabled(Global::ReplaceEmojiValue());
 }
 
 void SendFilesBox::captionResized() {
@@ -1789,10 +1792,8 @@ void SendFilesBox::send(bool ctrlShiftEnter) {
 	_confirmed = true;
 	if (_confirmedCallback) {
 		auto caption = _caption
-			? TextUtilities::PrepareForSending(
-				_caption->getLastText(),
-				TextUtilities::PrepareTextOption::CheckLinks)
-			: QString();
+			? _caption->getTextWithTags()
+			: TextWithTags();
 		_confirmedCallback(
 			std::move(_list),
 			way,

Telegram/SourceFiles/boxes/send_files_box.h

@@ -39,7 +39,7 @@ public:
 		base::lambda<void(
 			Storage::PreparedList &&list,
 			SendFilesWay way,
-			const QString &caption,
+			TextWithTags &&caption,
 			bool ctrlShiftEnter)> callback) {
 		_confirmedCallback = std::move(callback);
 	}
@@ -98,7 +98,7 @@ private:
 	base::lambda<void(
 		Storage::PreparedList &&list,
 		SendFilesWay way,
-		const QString &caption,
+		TextWithTags &&caption,
 		bool ctrlShiftEnter)> _confirmedCallback;
 	base::lambda<void()> _cancelledCallback;
 	bool _confirmed = false;