652 lines
22 KiB
C++
652 lines
22 KiB
C++
/*
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* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
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*
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* This program 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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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QAbstractTextDocumentLayout>
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#include <QBuffer>
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#include <QClipboard>
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#include <QFileDialog>
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#include <QMimeData>
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#include <QMimeDatabase>
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#include <QMimeType>
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#include <QPainter>
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#include <QStyleOption>
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#include <QtConcurrent>
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#include "Cache.h"
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#include "ChatPage.h"
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#include "Logging.h"
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#include "TextInputWidget.h"
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#include "Utils.h"
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#include "ui/FlatButton.h"
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#include "ui/LoadingIndicator.h"
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#if defined(Q_OS_MAC)
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#include "emoji/MacHelper.h"
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#endif
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static constexpr size_t INPUT_HISTORY_SIZE = 127;
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static constexpr int MAX_TEXTINPUT_HEIGHT = 120;
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static constexpr int ButtonHeight = 22;
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FilteredTextEdit::FilteredTextEdit(QWidget *parent)
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: QTextEdit{parent}
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, history_index_{0}
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, suggestionsPopup_{parent}
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, previewDialog_{parent}
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{
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setFrameStyle(QFrame::NoFrame);
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connect(document()->documentLayout(),
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&QAbstractTextDocumentLayout::documentSizeChanged,
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this,
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&FilteredTextEdit::updateGeometry);
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connect(document()->documentLayout(),
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&QAbstractTextDocumentLayout::documentSizeChanged,
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this,
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[this]() { emit heightChanged(document()->size().toSize().height()); });
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working_history_.push_back("");
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connect(this, &QTextEdit::textChanged, this, &FilteredTextEdit::textChanged);
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setAcceptRichText(false);
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typingTimer_ = new QTimer(this);
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typingTimer_->setInterval(1000);
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typingTimer_->setSingleShot(true);
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connect(typingTimer_, &QTimer::timeout, this, &FilteredTextEdit::stopTyping);
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connect(&previewDialog_,
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&dialogs::PreviewUploadOverlay::confirmUpload,
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this,
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&FilteredTextEdit::uploadData);
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connect(this, &FilteredTextEdit::resultsRetrieved, this, &FilteredTextEdit::showResults);
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connect(
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&suggestionsPopup_, &SuggestionsPopup::itemSelected, this, [this](const QString &text) {
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suggestionsPopup_.hide();
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auto cursor = textCursor();
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const int end = cursor.position();
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cursor.setPosition(atTriggerPosition_, QTextCursor::MoveAnchor);
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cursor.setPosition(end, QTextCursor::KeepAnchor);
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cursor.removeSelectedText();
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cursor.insertText(text);
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});
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// For cycling through the suggestions by hitting tab.
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connect(this,
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&FilteredTextEdit::selectNextSuggestion,
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&suggestionsPopup_,
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&SuggestionsPopup::selectNextSuggestion);
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connect(this,
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&FilteredTextEdit::selectPreviousSuggestion,
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&suggestionsPopup_,
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&SuggestionsPopup::selectPreviousSuggestion);
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connect(this, &FilteredTextEdit::selectHoveredSuggestion, this, [this]() {
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suggestionsPopup_.selectHoveredSuggestion<UserItem>();
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});
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previewDialog_.hide();
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}
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void
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FilteredTextEdit::showResults(const std::vector<SearchResult> &results)
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{
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QPoint pos;
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if (isAnchorValid()) {
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auto cursor = textCursor();
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cursor.setPosition(atTriggerPosition_);
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pos = viewport()->mapToGlobal(cursorRect(cursor).topLeft());
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} else {
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auto rect = cursorRect();
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pos = viewport()->mapToGlobal(rect.topLeft());
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}
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suggestionsPopup_.addUsers(results);
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suggestionsPopup_.move(pos.x(), pos.y() - suggestionsPopup_.height() - 10);
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suggestionsPopup_.show();
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}
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void
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FilteredTextEdit::keyPressEvent(QKeyEvent *event)
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{
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const bool isModifier = (event->modifiers() != Qt::NoModifier);
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#if defined(Q_OS_MAC)
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if (event->modifiers() == (Qt::ControlModifier | Qt::MetaModifier) &&
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event->key() == Qt::Key_Space)
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MacHelper::showEmojiWindow();
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#endif
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if (!isModifier) {
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if (!typingTimer_->isActive())
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emit startedTyping();
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typingTimer_->start();
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}
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// calculate the new query
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if (textCursor().position() < atTriggerPosition_ || !isAnchorValid()) {
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resetAnchor();
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closeSuggestions();
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}
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if (suggestionsPopup_.isVisible()) {
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switch (event->key()) {
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case Qt::Key_Down:
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case Qt::Key_Tab:
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emit selectNextSuggestion();
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return;
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case Qt::Key_Enter:
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case Qt::Key_Return:
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emit selectHoveredSuggestion();
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return;
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case Qt::Key_Escape:
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closeSuggestions();
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return;
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case Qt::Key_Up:
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case Qt::Key_Backtab: {
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emit selectPreviousSuggestion();
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return;
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}
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default:
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break;
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}
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}
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switch (event->key()) {
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case Qt::Key_At:
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atTriggerPosition_ = textCursor().position();
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anchorType_ = AnchorType::Sigil;
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QTextEdit::keyPressEvent(event);
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break;
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case Qt::Key_Tab: {
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auto cursor = textCursor();
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const int initialPos = cursor.position();
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cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
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auto word = cursor.selectedText();
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const int startOfWord = cursor.position();
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// There is a word to complete.
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if (initialPos != startOfWord) {
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atTriggerPosition_ = startOfWord;
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anchorType_ = AnchorType::Tab;
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emit showSuggestions(word);
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} else {
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QTextEdit::keyPressEvent(event);
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}
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break;
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}
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case Qt::Key_Return:
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case Qt::Key_Enter:
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if (!(event->modifiers() & Qt::ShiftModifier)) {
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stopTyping();
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submit();
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} else {
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QTextEdit::keyPressEvent(event);
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}
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break;
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case Qt::Key_Up: {
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auto initial_cursor = textCursor();
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QTextEdit::keyPressEvent(event);
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if (textCursor() == initial_cursor && textCursor().atStart() &&
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history_index_ + 1 < working_history_.size()) {
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++history_index_;
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setPlainText(working_history_[history_index_]);
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moveCursor(QTextCursor::End);
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} else if (textCursor() == initial_cursor) {
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// Move to the start of the text if there aren't any lines to move up to.
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initial_cursor.movePosition(QTextCursor::Start, QTextCursor::MoveAnchor, 1);
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setTextCursor(initial_cursor);
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}
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break;
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}
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case Qt::Key_Down: {
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auto initial_cursor = textCursor();
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QTextEdit::keyPressEvent(event);
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if (textCursor() == initial_cursor && textCursor().atEnd() && history_index_ > 0) {
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--history_index_;
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setPlainText(working_history_[history_index_]);
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moveCursor(QTextCursor::End);
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} else if (textCursor() == initial_cursor) {
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// Move to the end of the text if there aren't any lines to move down to.
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initial_cursor.movePosition(QTextCursor::End, QTextCursor::MoveAnchor, 1);
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setTextCursor(initial_cursor);
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}
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break;
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}
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default:
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QTextEdit::keyPressEvent(event);
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if (isModifier)
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return;
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if (textCursor().position() == 0) {
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resetAnchor();
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closeSuggestions();
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return;
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}
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// Check if the current word should be autocompleted.
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auto cursor = textCursor();
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cursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
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auto word = cursor.selectedText();
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if (hasAnchor(cursor.position(), anchorType_) && isAnchorValid()) {
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if (word.isEmpty()) {
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closeSuggestions();
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return;
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}
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emit showSuggestions(word);
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} else {
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resetAnchor();
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closeSuggestions();
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}
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break;
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}
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}
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bool
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FilteredTextEdit::canInsertFromMimeData(const QMimeData *source) const
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{
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return (source->hasImage() || QTextEdit::canInsertFromMimeData(source));
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}
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void
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FilteredTextEdit::insertFromMimeData(const QMimeData *source)
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{
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const auto formats = source->formats().filter("/");
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const auto image = formats.filter("image/", Qt::CaseInsensitive);
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const auto audio = formats.filter("audio/", Qt::CaseInsensitive);
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const auto video = formats.filter("video/", Qt::CaseInsensitive);
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if (source->hasImage()) {
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QImage img = qvariant_cast<QImage>(source->imageData());
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previewDialog_.setPreview(img, image.front());
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} else if (!audio.empty()) {
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showPreview(source, audio);
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} else if (!video.empty()) {
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showPreview(source, video);
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} else if (source->hasUrls()) {
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// Generic file path for any platform.
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QString path;
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for (auto &&u : source->urls()) {
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if (u.isLocalFile()) {
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path = u.toLocalFile();
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break;
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}
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}
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if (!path.isEmpty() && QFileInfo{path}.exists()) {
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previewDialog_.setPreview(path);
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} else {
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qWarning()
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<< "Clipboard does not contain any valid file paths:" << source->urls();
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}
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} else if (source->hasFormat("x-special/gnome-copied-files")) {
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// Special case for X11 users. See "Notes for X11 Users" in source.
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// Source: http://doc.qt.io/qt-5/qclipboard.html
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// This MIME type returns a string with multiple lines separated by '\n'. The first
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// line is the command to perform with the clipboard (not useful to us). The
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// following lines are the file URIs.
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//
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// Source: the nautilus source code in file 'src/nautilus-clipboard.c' in function
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// nautilus_clipboard_get_uri_list_from_selection_data()
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// https://github.com/GNOME/nautilus/blob/master/src/nautilus-clipboard.c
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auto data = source->data("x-special/gnome-copied-files").split('\n');
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if (data.size() < 2) {
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qWarning() << "MIME format is malformed, cannot perform paste.";
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return;
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}
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QString path;
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for (int i = 1; i < data.size(); ++i) {
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QUrl url{data[i]};
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if (url.isLocalFile()) {
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path = url.toLocalFile();
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break;
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}
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}
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if (!path.isEmpty()) {
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previewDialog_.setPreview(path);
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} else {
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qWarning() << "Clipboard does not contain any valid file paths:" << data;
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}
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} else {
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QTextEdit::insertFromMimeData(source);
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}
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}
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void
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FilteredTextEdit::stopTyping()
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{
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typingTimer_->stop();
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emit stoppedTyping();
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}
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QSize
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FilteredTextEdit::sizeHint() const
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{
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ensurePolished();
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auto margins = viewportMargins();
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margins += document()->documentMargin();
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QSize size = document()->size().toSize();
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size.rwidth() += margins.left() + margins.right();
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size.rheight() += margins.top() + margins.bottom();
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return size;
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}
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QSize
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FilteredTextEdit::minimumSizeHint() const
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{
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ensurePolished();
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auto margins = viewportMargins();
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margins += document()->documentMargin();
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margins += contentsMargins();
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QSize size(fontMetrics().averageCharWidth() * 10,
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fontMetrics().lineSpacing() + margins.top() + margins.bottom());
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return size;
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}
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void
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FilteredTextEdit::submit()
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{
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if (toPlainText().trimmed().isEmpty())
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return;
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if (true_history_.size() == INPUT_HISTORY_SIZE)
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true_history_.pop_back();
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true_history_.push_front(toPlainText());
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working_history_ = true_history_;
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working_history_.push_front("");
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history_index_ = 0;
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QString text = toPlainText();
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if (text.startsWith('/')) {
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int command_end = text.indexOf(' ');
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if (command_end == -1)
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command_end = text.size();
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auto name = text.mid(1, command_end - 1);
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auto args = text.mid(command_end + 1);
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if (name.isEmpty() || name == "/") {
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message(args);
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} else {
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command(name, args);
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}
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} else {
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message(std::move(text));
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}
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clear();
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}
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void
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FilteredTextEdit::textChanged()
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{
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working_history_[history_index_] = toPlainText();
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}
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void
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FilteredTextEdit::uploadData(const QByteArray data,
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const QString &mediaType,
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const QString &filename)
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{
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QSharedPointer<QBuffer> buffer{new QBuffer{this}};
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buffer->setData(data);
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emit startedUpload();
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emit media(buffer, mediaType, filename);
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}
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void
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FilteredTextEdit::showPreview(const QMimeData *source, const QStringList &formats)
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{
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// Retrieve data as MIME type.
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auto const &mime = formats.first();
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QByteArray data = source->data(mime);
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previewDialog_.setPreview(data, mime);
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}
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TextInputWidget::TextInputWidget(QWidget *parent)
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: QWidget(parent)
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{
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QFont f;
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f.setPointSizeF(f.pointSizeF());
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const int fontHeight = QFontMetrics(f).height();
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const int contentHeight = static_cast<int>(fontHeight * 2.5);
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const int InputHeight = static_cast<int>(fontHeight * 1.5);
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setFixedHeight(contentHeight);
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setCursor(Qt::ArrowCursor);
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topLayout_ = new QHBoxLayout();
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topLayout_->setSpacing(0);
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topLayout_->setContentsMargins(13, 1, 13, 0);
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QIcon send_file_icon;
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send_file_icon.addFile(":/icons/icons/ui/paper-clip-outline.png");
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sendFileBtn_ = new FlatButton(this);
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sendFileBtn_->setToolTip(tr("Send a file"));
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sendFileBtn_->setIcon(send_file_icon);
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sendFileBtn_->setIconSize(QSize(ButtonHeight, ButtonHeight));
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spinner_ = new LoadingIndicator(this);
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spinner_->setFixedHeight(InputHeight);
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spinner_->setFixedWidth(InputHeight);
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spinner_->setObjectName("FileUploadSpinner");
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spinner_->hide();
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input_ = new FilteredTextEdit(this);
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input_->setFixedHeight(InputHeight);
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input_->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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input_->setPlaceholderText(tr("Write a message..."));
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connect(input_,
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&FilteredTextEdit::heightChanged,
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this,
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[this, InputHeight, contentHeight](int height) {
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int widgetHeight =
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std::min(MAX_TEXTINPUT_HEIGHT, std::max(height, contentHeight));
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int textInputHeight =
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std::min(widgetHeight - 1, std::max(height, InputHeight));
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setFixedHeight(widgetHeight);
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input_->setFixedHeight(textInputHeight);
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emit heightChanged(widgetHeight);
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});
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connect(input_, &FilteredTextEdit::showSuggestions, this, [this](const QString &q) {
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if (q.isEmpty())
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return;
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QtConcurrent::run([this, q = q.toLower().toStdString()]() {
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try {
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emit input_->resultsRetrieved(cache::searchUsers(
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ChatPage::instance()->currentRoom().toStdString(), q));
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} catch (const lmdb::error &e) {
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nhlog::db()->error("Suggestion retrieval failed: {}", e.what());
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}
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});
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});
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sendMessageBtn_ = new FlatButton(this);
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sendMessageBtn_->setToolTip(tr("Send a message"));
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QIcon send_message_icon;
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send_message_icon.addFile(":/icons/icons/ui/cursor.png");
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sendMessageBtn_->setIcon(send_message_icon);
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sendMessageBtn_->setIconSize(QSize(ButtonHeight, ButtonHeight));
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emojiBtn_ = new emoji::PickButton(this);
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emojiBtn_->setToolTip(tr("Emoji"));
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#if defined(Q_OS_MAC)
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// macOS has a native emoji picker.
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emojiBtn_->hide();
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#endif
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QIcon emoji_icon;
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emoji_icon.addFile(":/icons/icons/ui/smile.png");
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emojiBtn_->setIcon(emoji_icon);
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emojiBtn_->setIconSize(QSize(ButtonHeight, ButtonHeight));
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topLayout_->addWidget(sendFileBtn_);
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topLayout_->addWidget(input_);
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topLayout_->addWidget(emojiBtn_);
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topLayout_->addWidget(sendMessageBtn_);
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setLayout(topLayout_);
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connect(sendMessageBtn_, &FlatButton::clicked, input_, &FilteredTextEdit::submit);
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connect(sendFileBtn_, SIGNAL(clicked()), this, SLOT(openFileSelection()));
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connect(input_, &FilteredTextEdit::message, this, &TextInputWidget::sendTextMessage);
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connect(input_, &FilteredTextEdit::command, this, &TextInputWidget::command);
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connect(input_, &FilteredTextEdit::media, this, &TextInputWidget::uploadMedia);
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connect(emojiBtn_,
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SIGNAL(emojiSelected(const QString &)),
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this,
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SLOT(addSelectedEmoji(const QString &)));
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connect(input_, &FilteredTextEdit::startedTyping, this, &TextInputWidget::startedTyping);
|
|
|
|
connect(input_, &FilteredTextEdit::stoppedTyping, this, &TextInputWidget::stoppedTyping);
|
|
|
|
connect(
|
|
input_, &FilteredTextEdit::startedUpload, this, &TextInputWidget::showUploadSpinner);
|
|
}
|
|
|
|
void
|
|
TextInputWidget::addSelectedEmoji(const QString &emoji)
|
|
{
|
|
QTextCursor cursor = input_->textCursor();
|
|
|
|
QTextCharFormat charfmt;
|
|
input_->setCurrentCharFormat(charfmt);
|
|
|
|
input_->insertPlainText(emoji);
|
|
cursor.movePosition(QTextCursor::End);
|
|
|
|
input_->setCurrentCharFormat(charfmt);
|
|
|
|
input_->show();
|
|
}
|
|
|
|
void
|
|
TextInputWidget::command(QString command, QString args)
|
|
{
|
|
if (command == "me") {
|
|
sendEmoteMessage(args);
|
|
} else if (command == "join") {
|
|
sendJoinRoomRequest(args);
|
|
} else if (command == "invite") {
|
|
sendInviteRoomRequest(args.section(' ', 0, 0), args.section(' ', 1, -1));
|
|
} else if (command == "kick") {
|
|
sendKickRoomRequest(args.section(' ', 0, 0), args.section(' ', 1, -1));
|
|
} else if (command == "ban") {
|
|
sendBanRoomRequest(args.section(' ', 0, 0), args.section(' ', 1, -1));
|
|
} else if (command == "unban") {
|
|
sendUnbanRoomRequest(args.section(' ', 0, 0), args.section(' ', 1, -1));
|
|
} else if (command == "shrug") {
|
|
sendTextMessage("¯\\_(ツ)_/¯");
|
|
} else if (command == "fliptable") {
|
|
sendTextMessage("(╯°□°)╯︵ ┻━┻");
|
|
} else if (command == "unfliptable") {
|
|
sendTextMessage(" ┯━┯╭( º _ º╭)");
|
|
} else if (command == "sovietflip") {
|
|
sendTextMessage("ノ┬─┬ノ ︵ ( \\o°o)\\");
|
|
}
|
|
}
|
|
|
|
void
|
|
TextInputWidget::openFileSelection()
|
|
{
|
|
const QString homeFolder = QStandardPaths::writableLocation(QStandardPaths::HomeLocation);
|
|
const auto fileName =
|
|
QFileDialog::getOpenFileName(this, tr("Select a file"), homeFolder, tr("All Files (*)"));
|
|
|
|
if (fileName.isEmpty())
|
|
return;
|
|
|
|
QMimeDatabase db;
|
|
QMimeType mime = db.mimeTypeForFile(fileName, QMimeDatabase::MatchContent);
|
|
|
|
const auto format = mime.name().split("/")[0];
|
|
|
|
QSharedPointer<QFile> file{new QFile{fileName, this}};
|
|
|
|
emit uploadMedia(file, format, QFileInfo(fileName).fileName());
|
|
|
|
showUploadSpinner();
|
|
}
|
|
|
|
void
|
|
TextInputWidget::showUploadSpinner()
|
|
{
|
|
topLayout_->removeWidget(sendFileBtn_);
|
|
sendFileBtn_->hide();
|
|
|
|
topLayout_->insertWidget(0, spinner_);
|
|
spinner_->start();
|
|
}
|
|
|
|
void
|
|
TextInputWidget::hideUploadSpinner()
|
|
{
|
|
topLayout_->removeWidget(spinner_);
|
|
topLayout_->insertWidget(0, sendFileBtn_);
|
|
sendFileBtn_->show();
|
|
spinner_->stop();
|
|
}
|
|
|
|
void
|
|
TextInputWidget::stopTyping()
|
|
{
|
|
input_->stopTyping();
|
|
}
|
|
|
|
void
|
|
TextInputWidget::focusInEvent(QFocusEvent *event)
|
|
{
|
|
input_->setFocus(event->reason());
|
|
}
|
|
|
|
void
|
|
TextInputWidget::paintEvent(QPaintEvent *)
|
|
{
|
|
QStyleOption opt;
|
|
opt.init(this);
|
|
QPainter p(this);
|
|
|
|
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
|
|
}
|