745 lines
21 KiB
C++
745 lines
21 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 "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 "boxes/abstract_box.h"
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#include "core/shortcuts.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 "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_history.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 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 tags save and validate userId, ignore tags for different userId.
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class FieldTagMimeProcessor : public Ui::InputField::TagMimeProcessor {
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public:
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QString tagFromMimeTag(const QString &mimeTag) override {
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if (TextUtilities::IsMentionLink(mimeTag)) {
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auto match = QRegularExpression(":(\\d+)$").match(mimeTag);
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if (!match.hasMatch()
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|| match.capturedRef(1).toInt() != Auth().userId()) {
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return QString();
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}
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return mimeTag.mid(0, mimeTag.size() - match.capturedLength());
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}
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return mimeTag;
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}
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};
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class EditLinkBox : public Ui::BoxContent {
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public:
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EditLinkBox(
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QWidget*,
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not_null<Main::Session*> session,
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const QString &text,
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const QString &link,
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Fn<void(QString, QString)> callback);
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void setInnerFocus() override;
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protected:
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void prepare() override;
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private:
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const not_null<Main::Session*> _session;
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QString _startText;
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QString _startLink;
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Fn<void(QString, QString)> _callback;
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Fn<void()> _setInnerFocus;
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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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EditLinkBox::EditLinkBox(
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QWidget*,
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not_null<Main::Session*> session,
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const QString &text,
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const QString &link,
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Fn<void(QString, QString)> callback)
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: _session(session)
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, _startText(text)
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, _startLink(link)
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, _callback(std::move(callback)) {
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Expects(_callback != nullptr);
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}
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void EditLinkBox::setInnerFocus() {
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Expects(_setInnerFocus != nullptr);
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_setInnerFocus();
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}
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void EditLinkBox::prepare() {
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const auto content = Ui::CreateChild<Ui::VerticalLayout>(this);
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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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st::defaultInputField,
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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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_session->settings().replaceEmojiValue());
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Ui::Emoji::SuggestionsController::Init(
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getDelegate()->outerContainer(),
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text,
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_session);
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InitSpellchecker(_session, text);
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const auto url = content->add(
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object_ptr<Ui::InputField>(
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content,
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st::defaultInputField,
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tr::lng_formatting_link_url(),
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_startLink.trimmed()),
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st::markdownLinkFieldPadding);
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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(this);
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_callback(linkText, linkUrl);
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if (weak) {
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closeBox();
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}
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};
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connect(text, &Ui::InputField::submitted, [=] {
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url->setFocusFast();
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});
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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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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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addButton(tr::lng_formatting_link_create(), submit);
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addButton(tr::lng_cancel(), [=] { closeBox(); });
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content->resizeToWidth(st::boxWidth);
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content->moveToLeft(0, 0);
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setDimensions(st::boxWidth, content->height());
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_setInnerFocus = [=] {
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(_startText.isEmpty() ? text : url)->setFocusFast();
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};
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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->bareId())
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+ '.'
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+ QString::number(user->accessHash());
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}
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TextWithTags PrepareEditText(not_null<HistoryItem*> item) {
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const auto original = item->history()->session().supportMode()
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? StripSupportHashtag(item->originalText())
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: item->originalText();
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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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not_null<Main::Session*> session,
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not_null<Ui::InputField*> field) {
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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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Ui::show(Box<EditLinkBox>(session, text, link, [=](
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const QString &text,
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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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}), Ui::LayerOption::KeepOther);
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return true;
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};
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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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field->setMinHeight(st::historySendSize.height() - 2 * st::historySendPadding);
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field->setMaxHeight(st::historyComposeFieldMaxHeight);
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field->setTagMimeProcessor(std::make_unique<FieldTagMimeProcessor>());
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field->document()->setDocumentMargin(4.);
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field->setAdditionalMargin(style::ConvertScale(4) - 4);
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field->customTab(true);
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field->setInstantReplaces(Ui::InstantReplaces::Default());
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field->setInstantReplacesEnabled(
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controller->session().settings().replaceEmojiValue());
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field->setMarkdownReplacesEnabled(rpl::single(true));
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field->setEditLinkCallback(
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DefaultEditLinkCallback(&controller->session(), field));
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}
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void InitSpellchecker(
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not_null<Main::Session*> session,
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not_null<Ui::InputField*> field) {
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#ifndef TDESKTOP_DISABLE_SPELLCHECK
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const auto s = Ui::CreateChild<Spellchecker::SpellingHighlighter>(
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field.get(),
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session->settings().spellcheckerEnabledValue(),
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Spellchecker::SpellingHighlighter::CustomContextMenuItem{
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tr::lng_settings_manage_dictionaries(tr::now),
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[=] { Ui::show(Box<Ui::ManageDictionariesBox>(session)); }
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});
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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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&& !chReplacedBySpace(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(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 = text.midRef(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 = Auth().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;
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const auto text = fragment.text();
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for (auto i = position - fragmentPosition; i != 0; --i) {
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if (text[i - 1] == '@') {
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if ((position - fragmentPosition - i < 1 || text[i].isLetter()) && (i < 2 || !(text[i - 2].isLetterOrNumber() || text[i - 2] == '_'))) {
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result.fromStart = (i == 1) && (fragmentPosition == 0);
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result.query = text.mid(i - 1, position - fragmentPosition - i + 1);
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} else if ((position - fragmentPosition - i < 1 || text[i].isLetter()) && i > 2 && (text[i - 2].isLetterOrNumber() || text[i - 2] == '_') && !mentionInCommand) {
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mentionInCommand = true;
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--i;
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continue;
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}
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return result;
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} else if (text[i - 1] == '#') {
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if (i < 2 || !(text[i - 2].isLetterOrNumber() || text[i - 2] == '_')) {
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result.fromStart = (i == 1) && (fragmentPosition == 0);
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result.query = text.mid(i - 1, position - fragmentPosition - i + 1);
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}
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return result;
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} else if (text[i - 1] == '/') {
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if (i < 2) {
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result.fromStart = (i == 1) && (fragmentPosition == 0);
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result.query = text.mid(i - 1, position - fragmentPosition - i + 1);
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}
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return result;
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}
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if (position - fragmentPosition - i > 127 || (!mentionInCommand && (position - fragmentPosition - i > 63))) {
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break;
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}
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if (!text[i - 1].isLetterOrNumber() && text[i - 1] != '_') {
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break;
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}
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}
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break;
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}
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return result;
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}
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MessageLinksParser::MessageLinksParser(not_null<Ui::InputField*> field)
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: _field(field)
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, _timer([=] { parse(); }) {
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_connection = QObject::connect(_field, &Ui::InputField::changed, [=] {
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const auto length = _field->getTextWithTags().text.size();
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const auto timeout = (std::abs(length - _lastLength) > 2)
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? 0
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: kParseLinksTimeout;
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if (!_timer.isActive() || timeout < _timer.remainingTime()) {
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_timer.callOnce(timeout);
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}
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_lastLength = length;
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});
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_field->installEventFilter(this);
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}
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bool MessageLinksParser::eventFilter(QObject *object, QEvent *event) {
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if (object == _field) {
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if (event->type() == QEvent::KeyPress) {
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const auto text = static_cast<QKeyEvent*>(event)->text();
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if (!text.isEmpty() && text.size() < 3) {
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const auto ch = text[0];
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if (false
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|| ch == '\n'
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|| ch == '\r'
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|| ch.isSpace()
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|| ch == QChar::LineSeparator) {
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_timer.callOnce(0);
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}
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}
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} else if (event->type() == QEvent::Drop) {
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_timer.callOnce(0);
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}
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}
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return QObject::eventFilter(object, event);
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}
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const rpl::variable<QStringList> &MessageLinksParser::list() const {
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return _list;
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}
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void MessageLinksParser::parse() {
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const auto &textWithTags = _field->getTextWithTags();
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const auto &text = textWithTags.text;
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const auto &tags = textWithTags.tags;
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const auto &markdownTags = _field->getMarkdownTags();
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if (text.isEmpty()) {
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_list = QStringList();
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return;
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}
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const auto tagCanIntersectWithLink = [](const QString &tag) {
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return (tag == Ui::InputField::kTagBold)
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|| (tag == Ui::InputField::kTagItalic)
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|| (tag == Ui::InputField::kTagUnderline)
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|| (tag == Ui::InputField::kTagStrikeOut);
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};
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auto ranges = QVector<LinkRange>();
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auto tag = tags.begin();
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const auto tagsEnd = tags.end();
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const auto processTag = [&] {
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Expects(tag != tagsEnd);
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if (Ui::InputField::IsValidMarkdownLink(tag->id)
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&& !TextUtilities::IsMentionLink(tag->id)) {
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ranges.push_back({ tag->offset, tag->length, tag->id });
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}
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++tag;
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};
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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 (chIsLinkEnd(ch)) break; // link finished
|
|
if (chIsAlmostLinkEnd(ch)) {
|
|
const QChar *endTest = p + 1;
|
|
while (endTest < end && chIsAlmostLinkEnd(*endTest)) {
|
|
++endTest;
|
|
}
|
|
if (endTest >= end || chIsLinkEnd(*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 {
|
|
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()
|
|
? text.midRef(range.start, range.length)
|
|
: range.custom.midRef(0);
|
|
};
|
|
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);
|
|
}
|
|
|
|
void SetupSendMenuAndShortcuts(
|
|
not_null<Ui::RpWidget*> button,
|
|
Fn<SendMenuType()> type,
|
|
Fn<void()> silent,
|
|
Fn<void()> schedule) {
|
|
if (!silent && !schedule) {
|
|
return;
|
|
}
|
|
const auto menu = std::make_shared<base::unique_qptr<Ui::PopupMenu>>();
|
|
const auto showMenu = [=] {
|
|
const auto now = type();
|
|
if (now == SendMenuType::Disabled
|
|
|| (!silent && now == SendMenuType::SilentOnly)) {
|
|
return false;
|
|
}
|
|
|
|
*menu = base::make_unique_q<Ui::PopupMenu>(button);
|
|
if (silent && now != SendMenuType::Reminder) {
|
|
(*menu)->addAction(tr::lng_send_silent_message(tr::now), silent);
|
|
}
|
|
if (schedule && now != SendMenuType::SilentOnly) {
|
|
(*menu)->addAction(
|
|
(now == SendMenuType::Reminder
|
|
? tr::lng_reminder_message(tr::now)
|
|
: tr::lng_schedule_message(tr::now)),
|
|
schedule);
|
|
}
|
|
(*menu)->popup(QCursor::pos());
|
|
return true;
|
|
};
|
|
base::install_event_filter(button, [=](not_null<QEvent*> e) {
|
|
if (e->type() == QEvent::ContextMenu && showMenu()) {
|
|
return base::EventFilterResult::Cancel;
|
|
}
|
|
return base::EventFilterResult::Continue;
|
|
});
|
|
|
|
Shortcuts::Requests(
|
|
) | rpl::start_with_next([=](not_null<Shortcuts::Request*> request) {
|
|
using Command = Shortcuts::Command;
|
|
|
|
const auto now = type();
|
|
if (now == SendMenuType::Disabled
|
|
|| (!silent && now == SendMenuType::SilentOnly)) {
|
|
return;
|
|
}
|
|
(silent
|
|
&& (now != SendMenuType::Reminder)
|
|
&& request->check(Command::SendSilentMessage)
|
|
&& request->handle([=] {
|
|
silent();
|
|
return true;
|
|
}))
|
|
||
|
|
(schedule
|
|
&& (now != SendMenuType::SilentOnly)
|
|
&& request->check(Command::ScheduleMessage)
|
|
&& request->handle([=] {
|
|
schedule();
|
|
return true;
|
|
}))
|
|
||
|
|
(request->check(Command::JustSendMessage) && request->handle([=] {
|
|
const auto post = [&](QEvent::Type type) {
|
|
QApplication::postEvent(
|
|
button,
|
|
new QMouseEvent(
|
|
type,
|
|
QPointF(0, 0),
|
|
Qt::LeftButton,
|
|
Qt::LeftButton,
|
|
Qt::NoModifier));
|
|
};
|
|
post(QEvent::MouseButtonPress);
|
|
post(QEvent::MouseButtonRelease);
|
|
return true;
|
|
}));
|
|
}, button->lifetime());
|
|
}
|