152 lines
4.6 KiB
C++
152 lines
4.6 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "chat_helpers/message_field.h"
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#include "historywidget.h"
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#include "base/qthelp_regex.h"
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#include "styles/style_history.h"
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#include "window/window_controller.h"
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#include "mainwindow.h"
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#include "auth_session.h"
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namespace {
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// For mention tags save and validate userId, ignore tags for different userId.
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class FieldTagMimeProcessor : public Ui::FlatTextarea::TagMimeProcessor {
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public:
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QString mimeTagFromTag(const QString &tagId) override {
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return ConvertTagToMimeTag(tagId);
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}
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QString tagFromMimeTag(const QString &mimeTag) override {
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if (mimeTag.startsWith(qstr("mention://"))) {
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auto match = QRegularExpression(":(\\d+)$").match(mimeTag);
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if (!match.hasMatch() || match.capturedRef(1).toInt() != AuthSession::CurrentUserId()) {
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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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} // namespace
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QString ConvertTagToMimeTag(const QString &tagId) {
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if (tagId.startsWith(qstr("mention://"))) {
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return tagId + ':' + QString::number(AuthSession::CurrentUserId());
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}
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return tagId;
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}
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EntitiesInText ConvertTextTagsToEntities(const TextWithTags::Tags &tags) {
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EntitiesInText result;
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if (tags.isEmpty()) {
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return result;
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}
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result.reserve(tags.size());
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auto mentionStart = qstr("mention://user.");
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for_const (auto &tag, tags) {
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if (tag.id.startsWith(mentionStart)) {
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if (auto match = qthelp::regex_match("^(\\d+\\.\\d+)(/|$)", tag.id.midRef(mentionStart.size()))) {
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result.push_back(EntityInText(EntityInTextMentionName, tag.offset, tag.length, match->captured(1)));
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}
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}
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}
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return result;
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}
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TextWithTags::Tags ConvertEntitiesToTextTags(const EntitiesInText &entities) {
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TextWithTags::Tags result;
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if (entities.isEmpty()) {
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return result;
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}
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result.reserve(entities.size());
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for_const (auto &entity, entities) {
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if (entity.type() == EntityInTextMentionName) {
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auto match = QRegularExpression("^(\\d+\\.\\d+)$").match(entity.data());
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if (match.hasMatch()) {
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result.push_back({ entity.offset(), entity.length(), qstr("mention://user.") + entity.data() });
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}
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}
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}
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return result;
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}
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MessageField::MessageField(QWidget *parent, gsl::not_null<Window::Controller*> controller, const style::FlatTextarea &st, const QString &ph, const QString &val) : Ui::FlatTextarea(parent, st, ph, val)
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, _controller(controller) {
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setMinHeight(st::historySendSize.height() - 2 * st::historySendPadding);
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setMaxHeight(st::historyComposeFieldMaxHeight);
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setTagMimeProcessor(std::make_unique<FieldTagMimeProcessor>());
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}
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bool MessageField::hasSendText() const {
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auto &text = getTextWithTags().text;
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for (auto *ch = text.constData(), *e = ch + text.size(); ch != e; ++ch) {
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auto code = ch->unicode();
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if (code != ' ' && code != '\n' && code != '\r' && !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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void MessageField::onEmojiInsert(EmojiPtr emoji) {
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if (isHidden()) return;
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insertEmoji(emoji, textCursor());
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}
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void MessageField::dropEvent(QDropEvent *e) {
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FlatTextarea::dropEvent(e);
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if (e->isAccepted()) {
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_controller->window()->activateWindow();
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}
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}
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bool MessageField::canInsertFromMimeData(const QMimeData *source) const {
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if (source->hasUrls()) {
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int32 files = 0;
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for (int32 i = 0; i < source->urls().size(); ++i) {
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if (source->urls().at(i).isLocalFile()) {
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++files;
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}
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}
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if (files > 1) return false; // multiple confirm with "compressed" checkbox
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}
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if (source->hasImage()) return true;
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return FlatTextarea::canInsertFromMimeData(source);
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}
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void MessageField::insertFromMimeData(const QMimeData *source) {
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if (_insertFromMimeDataHook && _insertFromMimeDataHook(source)) {
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return;
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}
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FlatTextarea::insertFromMimeData(source);
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}
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void MessageField::focusInEvent(QFocusEvent *e) {
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FlatTextarea::focusInEvent(e);
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emit focused();
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}
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