778 lines
22 KiB
C++
778 lines
22 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "chat_helpers/message_field.h"
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#include "history/history_widget.h"
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#include "history/history.h" // History::session
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#include "history/history_item.h" // HistoryItem::originalText
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#include "history/history_message.h" // DropCustomEmoji
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#include "base/qthelp_regex.h"
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#include "base/qthelp_url.h"
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#include "base/event_filter.h"
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#include "ui/layers/generic_box.h"
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#include "core/shortcuts.h"
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#include "core/application.h"
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#include "core/core_settings.h"
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#include "ui/wrap/vertical_layout.h"
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#include "ui/widgets/popup_menu.h"
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#include "ui/ui_utility.h"
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#include "data/data_session.h"
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#include "data/data_user.h"
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#include "data/data_document.h"
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#include "data/stickers/data_custom_emoji.h"
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#include "chat_helpers/emoji_suggestions_widget.h"
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#include "window/window_session_controller.h"
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#include "lang/lang_keys.h"
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#include "mainwindow.h"
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#include "main/main_session.h"
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#include "styles/style_layers.h"
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#include "styles/style_boxes.h"
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#include "styles/style_chat.h"
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#include "base/qt/qt_common_adapters.h"
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#include <QtCore/QMimeData>
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#include <QtCore/QStack>
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#include <QtGui/QGuiApplication>
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#include <QtGui/QTextBlock>
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#include <QtGui/QClipboard>
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#include <QtWidgets/QApplication>
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namespace {
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using namespace Ui::Text;
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using EditLinkAction = Ui::InputField::EditLinkAction;
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using EditLinkSelection = Ui::InputField::EditLinkSelection;
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constexpr auto kParseLinksTimeout = crl::time(1000);
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// For mention / custom emoji tags save and validate selfId,
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// ignore tags for different users.
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class FieldTagMimeProcessor final {
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public:
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FieldTagMimeProcessor(
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not_null<Main::Session*> _session,
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Fn<bool(not_null<DocumentData*>)> allowPremiumEmoji);
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QString operator()(QStringView mimeTag);
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private:
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const not_null<Main::Session*> _session;
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const Fn<bool(not_null<DocumentData*>)> _allowPremiumEmoji;
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};
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FieldTagMimeProcessor::FieldTagMimeProcessor(
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not_null<Main::Session*> session,
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Fn<bool(not_null<DocumentData*>)> allowPremiumEmoji)
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: _session(session)
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, _allowPremiumEmoji(allowPremiumEmoji) {
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}
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QString FieldTagMimeProcessor::operator()(QStringView mimeTag) {
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const auto id = _session->userId().bare;
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auto all = TextUtilities::SplitTags(mimeTag);
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auto premiumSkipped = (DocumentData*)nullptr;
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for (auto i = all.begin(); i != all.end();) {
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const auto tag = *i;
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if (TextUtilities::IsMentionLink(tag)
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&& TextUtilities::MentionNameDataToFields(tag).selfId != id) {
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i = all.erase(i);
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continue;
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} else if (Ui::InputField::IsCustomEmojiLink(tag)) {
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const auto data = Ui::InputField::CustomEmojiEntityData(tag);
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const auto emoji = Data::ParseCustomEmojiData(data);
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if (!emoji.id) {
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i = all.erase(i);
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continue;
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} else if (!_session->premium()) {
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const auto document = _session->data().document(emoji.id);
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if (document->isPremiumEmoji()) {
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if (!_allowPremiumEmoji
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|| premiumSkipped
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|| !_session->premiumPossible()
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|| !_allowPremiumEmoji(document)) {
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premiumSkipped = document;
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i = all.erase(i);
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continue;
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}
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}
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}
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}
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++i;
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}
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return TextUtilities::JoinTag(all);
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}
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//bool ValidateUrl(const QString &value) {
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// const auto match = qthelp::RegExpDomain().match(value);
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// if (!match.hasMatch() || match.capturedStart() != 0) {
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// return false;
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// }
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// const auto protocolMatch = RegExpProtocol().match(value);
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// return protocolMatch.hasMatch()
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// && IsGoodProtocol(protocolMatch.captured(1));
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//}
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void EditLinkBox(
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not_null<Ui::GenericBox*> box,
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std::shared_ptr<Ui::Show> show,
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not_null<Main::Session*> session,
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const QString &startText,
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const QString &startLink,
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Fn<void(QString, QString)> callback,
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const style::InputField *fieldStyle) {
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Expects(callback != nullptr);
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const auto &fieldSt = fieldStyle ? *fieldStyle : st::defaultInputField;
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const auto content = box->verticalLayout();
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const auto text = content->add(
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object_ptr<Ui::InputField>(
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content,
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fieldSt,
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tr::lng_formatting_link_text(),
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startText),
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st::markdownLinkFieldPadding);
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text->setInstantReplaces(Ui::InstantReplaces::Default());
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text->setInstantReplacesEnabled(
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Core::App().settings().replaceEmojiValue());
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Ui::Emoji::SuggestionsController::Init(
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box->getDelegate()->outerContainer(),
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text,
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session);
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InitSpellchecker(std::move(show), session, text, fieldStyle != nullptr);
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const auto placeholder = content->add(
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object_ptr<Ui::RpWidget>(content),
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st::markdownLinkFieldPadding);
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placeholder->setAttribute(Qt::WA_TransparentForMouseEvents);
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const auto url = Ui::AttachParentChild(
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content,
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object_ptr<Ui::InputField>(
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content,
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fieldSt,
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tr::lng_formatting_link_url(),
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startLink.trimmed()));
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url->heightValue(
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) | rpl::start_with_next([placeholder](int height) {
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placeholder->resize(placeholder->width(), height);
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}, placeholder->lifetime());
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placeholder->widthValue(
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) | rpl::start_with_next([=](int width) {
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url->resize(width, url->height());
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}, placeholder->lifetime());
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url->move(placeholder->pos());
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const auto submit = [=] {
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const auto linkText = text->getLastText();
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const auto linkUrl = qthelp::validate_url(url->getLastText());
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if (linkText.isEmpty()) {
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text->showError();
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return;
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} else if (linkUrl.isEmpty()) {
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url->showError();
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return;
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}
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const auto weak = Ui::MakeWeak(box);
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callback(linkText, linkUrl);
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if (weak) {
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box->closeBox();
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}
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};
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QObject::connect(text, &Ui::InputField::submitted, [=] {
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url->setFocusFast();
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});
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QObject::connect(url, &Ui::InputField::submitted, [=] {
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if (text->getLastText().isEmpty()) {
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text->setFocusFast();
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} else {
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submit();
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}
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});
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box->setTitle(url->getLastText().isEmpty()
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? tr::lng_formatting_link_create_title()
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: tr::lng_formatting_link_edit_title());
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box->addButton(tr::lng_formatting_link_create(), submit);
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box->addButton(tr::lng_cancel(), [=] { box->closeBox(); });
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content->resizeToWidth(st::boxWidth);
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content->moveToLeft(0, 0);
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box->setWidth(st::boxWidth);
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box->setFocusCallback([=] {
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if (startText.isEmpty()) {
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text->setFocusFast();
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} else {
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url->setFocusFast();
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}
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});
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url->customTab(true);
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text->customTab(true);
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QObject::connect(url, &Ui::InputField::tabbed, [=] { text->setFocus(); });
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QObject::connect(text, &Ui::InputField::tabbed, [=] { url->setFocus(); });
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}
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TextWithEntities StripSupportHashtag(TextWithEntities &&text) {
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static const auto expression = QRegularExpression(
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qsl("\\n?#tsf[a-z0-9_-]*[\\s#a-z0-9_-]*$"),
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QRegularExpression::CaseInsensitiveOption);
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const auto match = expression.match(text.text);
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if (!match.hasMatch()) {
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return std::move(text);
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}
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text.text.chop(match.capturedLength());
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const auto length = text.text.size();
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if (!length) {
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return TextWithEntities();
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}
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for (auto i = text.entities.begin(); i != text.entities.end();) {
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auto &entity = *i;
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if (entity.offset() >= length) {
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i = text.entities.erase(i);
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continue;
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} else if (entity.offset() + entity.length() > length) {
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entity.shrinkFromRight(length - entity.offset());
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}
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++i;
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}
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return std::move(text);
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}
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} // namespace
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QString PrepareMentionTag(not_null<UserData*> user) {
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return TextUtilities::kMentionTagStart
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+ QString::number(user->id.value)
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+ '.'
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+ QString::number(user->accessHash())
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+ ':'
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+ QString::number(user->session().userId().bare);
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}
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TextWithTags PrepareEditText(not_null<HistoryItem*> item) {
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auto original = item->history()->session().supportMode()
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? StripSupportHashtag(item->originalText())
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: item->originalText();
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const auto dropCustomEmoji = !item->history()->session().premium()
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&& !item->history()->peer->isSelf();
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if (dropCustomEmoji) {
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original = DropCustomEmoji(std::move(original));
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}
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return TextWithTags{
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original.text,
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TextUtilities::ConvertEntitiesToTextTags(original.entities)
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};
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}
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Fn<bool(
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Ui::InputField::EditLinkSelection selection,
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QString text,
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QString link,
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EditLinkAction action)> DefaultEditLinkCallback(
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std::shared_ptr<Ui::Show> show,
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not_null<Main::Session*> session,
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not_null<Ui::InputField*> field,
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const style::InputField *fieldStyle) {
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const auto weak = Ui::MakeWeak(field);
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return [=](
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EditLinkSelection selection,
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QString text,
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QString link,
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EditLinkAction action) {
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if (action == EditLinkAction::Check) {
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return Ui::InputField::IsValidMarkdownLink(link)
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&& !TextUtilities::IsMentionLink(link);
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}
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auto callback = [=](const QString &text, const QString &link) {
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if (const auto strong = weak.data()) {
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strong->commitMarkdownLinkEdit(selection, text, link);
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}
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};
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show->showBox(
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Box(
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EditLinkBox,
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show,
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session,
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text,
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link,
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std::move(callback),
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fieldStyle),
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Ui::LayerOption::KeepOther);
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return true;
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};
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}
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void InitMessageFieldHandlers(
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not_null<Main::Session*> session,
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std::shared_ptr<Ui::Show> show,
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not_null<Ui::InputField*> field,
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Fn<bool()> customEmojiPaused,
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Fn<bool(not_null<DocumentData*>)> allowPremiumEmoji,
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const style::InputField *fieldStyle) {
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field->setTagMimeProcessor(
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FieldTagMimeProcessor(session, allowPremiumEmoji));
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field->setCustomEmojiFactory([=](QStringView data, Fn<void()> update) {
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return session->data().customEmojiManager().create(
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data,
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std::move(update));
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}, std::move(customEmojiPaused));
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field->setInstantReplaces(Ui::InstantReplaces::Default());
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field->setInstantReplacesEnabled(
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Core::App().settings().replaceEmojiValue());
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field->setMarkdownReplacesEnabled(rpl::single(true));
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if (show) {
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field->setEditLinkCallback(
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DefaultEditLinkCallback(show, session, field, fieldStyle));
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InitSpellchecker(show, session, field, fieldStyle != nullptr);
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}
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}
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void InitMessageFieldHandlers(
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not_null<Window::SessionController*> controller,
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not_null<Ui::InputField*> field,
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Window::GifPauseReason pauseReasonLevel,
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Fn<bool(not_null<DocumentData*>)> allowPremiumEmoji) {
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InitMessageFieldHandlers(
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&controller->session(),
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std::make_shared<Window::Show>(controller),
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field,
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[=] { return controller->isGifPausedAtLeastFor(pauseReasonLevel); },
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allowPremiumEmoji);
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}
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void InitMessageFieldGeometry(not_null<Ui::InputField*> field) {
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field->setMinHeight(
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st::historySendSize.height() - 2 * st::historySendPadding);
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field->setMaxHeight(st::historyComposeFieldMaxHeight);
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field->document()->setDocumentMargin(4.);
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field->setAdditionalMargin(style::ConvertScale(4) - 4);
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}
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void InitMessageField(
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not_null<Window::SessionController*> controller,
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not_null<Ui::InputField*> field,
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Fn<bool(not_null<DocumentData*>)> allowPremiumEmoji) {
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InitMessageFieldHandlers(
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controller,
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field,
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Window::GifPauseReason::Any,
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allowPremiumEmoji);
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InitMessageFieldGeometry(field);
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field->customTab(true);
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}
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void InitSpellchecker(
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std::shared_ptr<Ui::Show> show,
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not_null<Main::Session*> session,
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not_null<Ui::InputField*> field,
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bool skipDictionariesManager) {
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#ifndef TDESKTOP_DISABLE_SPELLCHECK
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using namespace Spellchecker;
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const auto menuItem = skipDictionariesManager
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? std::nullopt
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: std::make_optional(SpellingHighlighter::CustomContextMenuItem{
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tr::lng_settings_manage_dictionaries(tr::now),
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[=] { show->showBox(Box<Ui::ManageDictionariesBox>(session)); }
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});
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const auto s = Ui::CreateChild<SpellingHighlighter>(
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field.get(),
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Core::App().settings().spellcheckerEnabledValue(),
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menuItem);
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field->setExtendedContextMenu(s->contextMenuCreated());
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#endif // TDESKTOP_DISABLE_SPELLCHECK
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}
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bool HasSendText(not_null<const Ui::InputField*> field) {
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const auto &text = field->getTextWithTags().text;
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for (const auto &ch : text) {
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const auto code = ch.unicode();
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if (code != ' '
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&& code != '\n'
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&& code != '\r'
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&& !IsReplacedBySpace(code)) {
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return true;
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}
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}
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return false;
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}
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InlineBotQuery ParseInlineBotQuery(
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not_null<Main::Session*> session,
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not_null<const Ui::InputField*> field) {
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auto result = InlineBotQuery();
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const auto &full = field->getTextWithTags();
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const auto &text = full.text;
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const auto textLength = text.size();
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auto inlineUsernameStart = 1;
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auto inlineUsernameLength = 0;
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if (textLength > 2 && text[0] == '@' && text[1].isLetter()) {
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inlineUsernameLength = 1;
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for (auto i = inlineUsernameStart + 1; i != textLength; ++i) {
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const auto ch = text[i];
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if (ch.isLetterOrNumber() || ch.unicode() == '_') {
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++inlineUsernameLength;
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continue;
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} else if (!ch.isSpace()) {
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inlineUsernameLength = 0;
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}
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break;
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}
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auto inlineUsernameEnd = inlineUsernameStart + inlineUsernameLength;
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auto inlineUsernameEqualsText = (inlineUsernameEnd == textLength);
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auto validInlineUsername = false;
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if (inlineUsernameEqualsText) {
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validInlineUsername = text.endsWith(qstr("bot"));
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} else if (inlineUsernameEnd < textLength && inlineUsernameLength) {
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validInlineUsername = text[inlineUsernameEnd].isSpace();
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}
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if (validInlineUsername) {
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if (!full.tags.isEmpty()
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&& (full.tags.front().offset
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< inlineUsernameStart + inlineUsernameLength)) {
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return InlineBotQuery();
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}
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auto username = base::StringViewMid(text, inlineUsernameStart, inlineUsernameLength);
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if (username != result.username) {
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result.username = username.toString();
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if (const auto peer = session->data().peerByUsername(result.username)) {
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if (const auto user = peer->asUser()) {
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result.bot = peer->asUser();
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} else {
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result.bot = nullptr;
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}
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result.lookingUpBot = false;
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} else {
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result.bot = nullptr;
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result.lookingUpBot = true;
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}
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}
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if (result.lookingUpBot) {
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result.query = QString();
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return result;
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} else if (result.bot
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&& (!result.bot->isBot()
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|| result.bot->botInfo->inlinePlaceholder.isEmpty())) {
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result.bot = nullptr;
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} else {
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result.query = inlineUsernameEqualsText
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? QString()
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: text.mid(inlineUsernameEnd + 1);
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return result;
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}
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} else {
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inlineUsernameLength = 0;
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}
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}
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if (inlineUsernameLength < 3) {
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result.bot = nullptr;
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result.username = QString();
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}
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result.query = QString();
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return result;
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}
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AutocompleteQuery ParseMentionHashtagBotCommandQuery(
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not_null<const Ui::InputField*> field) {
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auto result = AutocompleteQuery();
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const auto cursor = field->textCursor();
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if (cursor.hasSelection()) {
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return result;
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}
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const auto position = cursor.position();
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const auto document = field->document();
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const auto block = document->findBlock(position);
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for (auto item = block.begin(); !item.atEnd(); ++item) {
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const auto fragment = item.fragment();
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if (!fragment.isValid()) {
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continue;
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}
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const auto fragmentPosition = fragment.position();
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const auto fragmentEnd = fragmentPosition + fragment.length();
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if (fragmentPosition >= position || fragmentEnd < position) {
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continue;
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}
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const auto format = fragment.charFormat();
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if (format.isImageFormat()) {
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continue;
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}
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|
|
|
bool mentionInCommand = false;
|
|
const auto text = fragment.text();
|
|
for (auto i = position - fragmentPosition; i != 0; --i) {
|
|
if (text[i - 1] == '@') {
|
|
if ((position - fragmentPosition - i < 1 || text[i].isLetter()) && (i < 2 || !(text[i - 2].isLetterOrNumber() || text[i - 2] == '_'))) {
|
|
result.fromStart = (i == 1) && (fragmentPosition == 0);
|
|
result.query = text.mid(i - 1, position - fragmentPosition - i + 1);
|
|
} else if ((position - fragmentPosition - i < 1 || text[i].isLetter()) && i > 2 && (text[i - 2].isLetterOrNumber() || text[i - 2] == '_') && !mentionInCommand) {
|
|
mentionInCommand = true;
|
|
--i;
|
|
continue;
|
|
}
|
|
return result;
|
|
} else if (text[i - 1] == '#') {
|
|
if (i < 2 || !(text[i - 2].isLetterOrNumber() || text[i - 2] == '_')) {
|
|
result.fromStart = (i == 1) && (fragmentPosition == 0);
|
|
result.query = text.mid(i - 1, position - fragmentPosition - i + 1);
|
|
}
|
|
return result;
|
|
} else if (text[i - 1] == '/') {
|
|
if (i < 2 && !fragmentPosition) {
|
|
result.fromStart = (i == 1) && (fragmentPosition == 0);
|
|
result.query = text.mid(i - 1, position - fragmentPosition - i + 1);
|
|
}
|
|
return result;
|
|
}
|
|
if (position - fragmentPosition - i > 127 || (!mentionInCommand && (position - fragmentPosition - i > 63))) {
|
|
break;
|
|
}
|
|
if (!text[i - 1].isLetterOrNumber() && text[i - 1] != '_') {
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
MessageLinksParser::MessageLinksParser(not_null<Ui::InputField*> field)
|
|
: _field(field)
|
|
, _timer([=] { parse(); }) {
|
|
_connection = QObject::connect(_field, &Ui::InputField::changed, [=] {
|
|
const auto length = _field->getTextWithTags().text.size();
|
|
const auto timeout = (std::abs(length - _lastLength) > 2)
|
|
? 0
|
|
: kParseLinksTimeout;
|
|
if (!_timer.isActive() || timeout < _timer.remainingTime()) {
|
|
_timer.callOnce(timeout);
|
|
}
|
|
_lastLength = length;
|
|
});
|
|
_field->installEventFilter(this);
|
|
}
|
|
|
|
void MessageLinksParser::parseNow() {
|
|
_timer.cancel();
|
|
parse();
|
|
}
|
|
|
|
bool MessageLinksParser::eventFilter(QObject *object, QEvent *event) {
|
|
if (object == _field) {
|
|
if (event->type() == QEvent::KeyPress) {
|
|
const auto text = static_cast<QKeyEvent*>(event)->text();
|
|
if (!text.isEmpty() && text.size() < 3) {
|
|
const auto ch = text[0];
|
|
if (false
|
|
|| ch == '\n'
|
|
|| ch == '\r'
|
|
|| ch.isSpace()
|
|
|| ch == QChar::LineSeparator) {
|
|
_timer.callOnce(0);
|
|
}
|
|
}
|
|
} else if (event->type() == QEvent::Drop) {
|
|
_timer.callOnce(0);
|
|
}
|
|
}
|
|
return QObject::eventFilter(object, event);
|
|
}
|
|
|
|
const rpl::variable<QStringList> &MessageLinksParser::list() const {
|
|
return _list;
|
|
}
|
|
|
|
void MessageLinksParser::parse() {
|
|
const auto &textWithTags = _field->getTextWithTags();
|
|
const auto &text = textWithTags.text;
|
|
const auto &tags = textWithTags.tags;
|
|
const auto &markdownTags = _field->getMarkdownTags();
|
|
if (text.isEmpty()) {
|
|
_list = QStringList();
|
|
return;
|
|
}
|
|
const auto tagCanIntersectWithLink = [](const QString &tag) {
|
|
return (tag == Ui::InputField::kTagBold)
|
|
|| (tag == Ui::InputField::kTagItalic)
|
|
|| (tag == Ui::InputField::kTagUnderline)
|
|
|| (tag == Ui::InputField::kTagStrikeOut)
|
|
|| (tag == Ui::InputField::kTagSpoiler);
|
|
};
|
|
|
|
auto ranges = QVector<LinkRange>();
|
|
|
|
auto tag = tags.begin();
|
|
const auto tagsEnd = tags.end();
|
|
const auto processTag = [&] {
|
|
Expects(tag != tagsEnd);
|
|
|
|
if (Ui::InputField::IsValidMarkdownLink(tag->id)
|
|
&& !TextUtilities::IsMentionLink(tag->id)) {
|
|
ranges.push_back({ tag->offset, tag->length, tag->id });
|
|
}
|
|
++tag;
|
|
};
|
|
const auto processTagsBefore = [&](int offset) {
|
|
while (tag != tagsEnd
|
|
&& (tag->offset + tag->length <= offset
|
|
|| tagCanIntersectWithLink(tag->id))) {
|
|
processTag();
|
|
}
|
|
};
|
|
const auto hasTagsIntersection = [&](int till) {
|
|
if (tag == tagsEnd || tag->offset >= till) {
|
|
return false;
|
|
}
|
|
while (tag != tagsEnd && tag->offset < till) {
|
|
processTag();
|
|
}
|
|
return true;
|
|
};
|
|
|
|
auto markdownTag = markdownTags.begin();
|
|
const auto markdownTagsEnd = markdownTags.end();
|
|
const auto markdownTagsAllow = [&](int from, int length) {
|
|
while (markdownTag != markdownTagsEnd
|
|
&& (markdownTag->adjustedStart
|
|
+ markdownTag->adjustedLength <= from
|
|
|| !markdownTag->closed
|
|
|| tagCanIntersectWithLink(markdownTag->tag))) {
|
|
++markdownTag;
|
|
}
|
|
if (markdownTag == markdownTagsEnd
|
|
|| markdownTag->adjustedStart >= from + length) {
|
|
return true;
|
|
}
|
|
// Ignore http-links that are completely inside some tags.
|
|
// This will allow sending http://test.com/__test__/test correctly.
|
|
return (markdownTag->adjustedStart > from)
|
|
|| (markdownTag->adjustedStart
|
|
+ markdownTag->adjustedLength < from + length);
|
|
};
|
|
|
|
const auto len = text.size();
|
|
const QChar *start = text.unicode(), *end = start + text.size();
|
|
for (auto offset = 0, matchOffset = offset; offset < len;) {
|
|
auto m = qthelp::RegExpDomain().match(text, matchOffset);
|
|
if (!m.hasMatch()) break;
|
|
|
|
auto domainOffset = m.capturedStart();
|
|
|
|
auto protocol = m.captured(1).toLower();
|
|
auto topDomain = m.captured(3).toLower();
|
|
auto isProtocolValid = protocol.isEmpty() || TextUtilities::IsValidProtocol(protocol);
|
|
auto isTopDomainValid = !protocol.isEmpty() || TextUtilities::IsValidTopDomain(topDomain);
|
|
|
|
if (protocol.isEmpty() && domainOffset > offset + 1 && *(start + domainOffset - 1) == QChar('@')) {
|
|
auto forMailName = text.mid(offset, domainOffset - offset - 1);
|
|
auto mMailName = TextUtilities::RegExpMailNameAtEnd().match(forMailName);
|
|
if (mMailName.hasMatch()) {
|
|
offset = matchOffset = m.capturedEnd();
|
|
continue;
|
|
}
|
|
}
|
|
if (!isProtocolValid || !isTopDomainValid) {
|
|
offset = matchOffset = m.capturedEnd();
|
|
continue;
|
|
}
|
|
|
|
QStack<const QChar*> parenth;
|
|
const QChar *domainEnd = start + m.capturedEnd(), *p = domainEnd;
|
|
for (; p < end; ++p) {
|
|
QChar ch(*p);
|
|
if (IsLinkEnd(ch)) {
|
|
break; // link finished
|
|
} else if (IsAlmostLinkEnd(ch)) {
|
|
const QChar *endTest = p + 1;
|
|
while (endTest < end && IsAlmostLinkEnd(*endTest)) {
|
|
++endTest;
|
|
}
|
|
if (endTest >= end || IsLinkEnd(*endTest)) {
|
|
break; // link finished at p
|
|
}
|
|
p = endTest;
|
|
ch = *p;
|
|
}
|
|
if (ch == '(' || ch == '[' || ch == '{' || ch == '<') {
|
|
parenth.push(p);
|
|
} else if (ch == ')' || ch == ']' || ch == '}' || ch == '>') {
|
|
if (parenth.isEmpty()) break;
|
|
const QChar *q = parenth.pop(), open(*q);
|
|
if ((ch == ')' && open != '(') || (ch == ']' && open != '[') || (ch == '}' && open != '{') || (ch == '>' && open != '<')) {
|
|
p = q;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (p > domainEnd) { // check, that domain ended
|
|
if (domainEnd->unicode() != '/' && domainEnd->unicode() != '?') {
|
|
matchOffset = domainEnd - start;
|
|
continue;
|
|
}
|
|
}
|
|
const auto range = LinkRange {
|
|
int(domainOffset),
|
|
static_cast<int>(p - start - domainOffset),
|
|
QString()
|
|
};
|
|
processTagsBefore(domainOffset);
|
|
if (!hasTagsIntersection(range.start + range.length)) {
|
|
if (markdownTagsAllow(range.start, range.length)) {
|
|
ranges.push_back(range);
|
|
}
|
|
}
|
|
offset = matchOffset = p - start;
|
|
}
|
|
processTagsBefore(QFIXED_MAX);
|
|
|
|
apply(text, ranges);
|
|
}
|
|
|
|
void MessageLinksParser::apply(
|
|
const QString &text,
|
|
const QVector<LinkRange> &ranges) {
|
|
const auto count = int(ranges.size());
|
|
const auto current = _list.current();
|
|
const auto computeLink = [&](const LinkRange &range) {
|
|
return range.custom.isEmpty()
|
|
? base::StringViewMid(text, range.start, range.length)
|
|
: QStringView(range.custom);
|
|
};
|
|
const auto changed = [&] {
|
|
if (current.size() != count) {
|
|
return true;
|
|
}
|
|
for (auto i = 0; i != count; ++i) {
|
|
if (computeLink(ranges[i]) != current[i]) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}();
|
|
if (!changed) {
|
|
return;
|
|
}
|
|
auto parsed = QStringList();
|
|
parsed.reserve(count);
|
|
for (const auto &range : ranges) {
|
|
parsed.push_back(computeLink(range).toString());
|
|
}
|
|
_list = std::move(parsed);
|
|
}
|