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https://github.com/qTox/qTox.git
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313 lines
12 KiB
C++
313 lines
12 KiB
C++
/*
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Copyright © 2014-2015 by The qTox Project
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This file is part of qTox, a Qt-based graphical interface for Tox.
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qTox is libre 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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qTox 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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You should have received a copy of the GNU General Public License
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along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "chatmessage.h"
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#include "chatlinecontentproxy.h"
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#include "content/text.h"
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#include "content/timestamp.h"
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#include "content/spinner.h"
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#include "content/filetransferwidget.h"
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#include "content/image.h"
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#include "content/notificationicon.h"
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#include <QDebug>
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#include "src/persistence/settings.h"
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#include "src/persistence/smileypack.h"
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#include "src/widget/style.h"
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#define NAME_COL_WIDTH 90.0
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#define TIME_COL_WIDTH 90.0
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ChatMessage::ChatMessage()
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{
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}
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ChatMessage::Ptr ChatMessage::createChatMessage(const QString &sender, const QString &rawMessage, MessageType type, bool isMe, const QDateTime &date)
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{
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ChatMessage::Ptr msg = ChatMessage::Ptr(new ChatMessage);
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QString text = rawMessage.toHtmlEscaped();
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QString senderText = sender;
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const QColor actionColor = QColor("#1818FF"); // has to match the color in innerStyle.css (div.action)
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//smileys
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if (Settings::getInstance().getUseEmoticons())
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text = SmileyPack::getInstance().smileyfied(text);
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//quotes (green text)
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text = detectQuotes(detectAnchors(text), type);
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//markdown
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if (Settings::getInstance().getMarkdownPreference() != NONE)
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text = detectMarkdown(text);
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switch(type)
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{
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case ACTION:
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senderText = "*";
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text = wrapDiv(QString("%1 %2").arg(sender.toHtmlEscaped(), text), "action");
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msg->setAsAction();
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break;
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case ALERT:
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text = wrapDiv(text, "alert");
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break;
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default:
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text = wrapDiv(text, "msg");
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}
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// Note: Eliding cannot be enabled for RichText items. (QTBUG-17207)
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msg->addColumn(new Text(senderText, isMe ? Style::getFont(Style::BigBold) : Style::getFont(Style::Big), true, sender, type == ACTION ? actionColor : Qt::black), ColumnFormat(NAME_COL_WIDTH, ColumnFormat::FixedSize, ColumnFormat::Right));
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msg->addColumn(new Text(text, Style::getFont(Style::Big), false, ((type == ACTION) && isMe) ? QString("%1 %2").arg(sender, rawMessage) : rawMessage), ColumnFormat(1.0, ColumnFormat::VariableSize));
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msg->addColumn(new Spinner(":/ui/chatArea/spinner.svg", QSize(16, 16), 360.0/1.6), ColumnFormat(TIME_COL_WIDTH, ColumnFormat::FixedSize, ColumnFormat::Right));
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if (!date.isNull())
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msg->markAsSent(date);
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return msg;
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}
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ChatMessage::Ptr ChatMessage::createChatInfoMessage(const QString &rawMessage, SystemMessageType type, const QDateTime &date)
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{
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ChatMessage::Ptr msg = ChatMessage::Ptr(new ChatMessage);
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QString text = rawMessage.toHtmlEscaped();
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QString img;
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switch(type)
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{
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case INFO: img = ":/ui/chatArea/info.svg"; break;
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case ERROR: img = ":/ui/chatArea/error.svg"; break;
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case TYPING: img = ":/ui/chatArea/typing.svg"; break;
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}
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msg->addColumn(new Image(QSize(18, 18), img), ColumnFormat(NAME_COL_WIDTH, ColumnFormat::FixedSize, ColumnFormat::Right));
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msg->addColumn(new Text("<b>" + text + "</b>", Style::getFont(Style::Big), false, ""), ColumnFormat(1.0, ColumnFormat::VariableSize, ColumnFormat::Left));
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msg->addColumn(new Timestamp(date, Settings::getInstance().getTimestampFormat(), Style::getFont(Style::Big)), ColumnFormat(TIME_COL_WIDTH, ColumnFormat::FixedSize, ColumnFormat::Right));
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return msg;
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}
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ChatMessage::Ptr ChatMessage::createFileTransferMessage(const QString& sender, ToxFile file, bool isMe, const QDateTime& date)
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{
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ChatMessage::Ptr msg = ChatMessage::Ptr(new ChatMessage);
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msg->addColumn(new Text(sender, isMe ? Style::getFont(Style::BigBold) : Style::getFont(Style::Big), true), ColumnFormat(NAME_COL_WIDTH, ColumnFormat::FixedSize, ColumnFormat::Right));
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msg->addColumn(new ChatLineContentProxy(new FileTransferWidget(0, file), 320, 0.6f), ColumnFormat(1.0, ColumnFormat::VariableSize));
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msg->addColumn(new Timestamp(date, Settings::getInstance().getTimestampFormat(), Style::getFont(Style::Big)), ColumnFormat(TIME_COL_WIDTH, ColumnFormat::FixedSize, ColumnFormat::Right));
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return msg;
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}
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ChatMessage::Ptr ChatMessage::createTypingNotification()
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{
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ChatMessage::Ptr msg = ChatMessage::Ptr(new ChatMessage);
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// Note: "[user]..." is just a placeholder. The actual text is set in ChatForm::setFriendTyping()
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//
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// FIXME: Due to circumstances, placeholder is being used in a case where
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// user received typing notifications constantly since contact came online.
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// This causes "[user]..." to be displayed in place of user nick, as long
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// as user will keep typing. Issue #1280
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msg->addColumn(new NotificationIcon(QSize(18, 18)), ColumnFormat(NAME_COL_WIDTH, ColumnFormat::FixedSize, ColumnFormat::Right));
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msg->addColumn(new Text("[user]...", Style::getFont(Style::Big), false, ""), ColumnFormat(1.0, ColumnFormat::VariableSize, ColumnFormat::Left));
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return msg;
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}
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ChatMessage::Ptr ChatMessage::createBusyNotification()
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{
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ChatMessage::Ptr msg = ChatMessage::Ptr(new ChatMessage);
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// TODO: Bigger font
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msg->addColumn(new Text(QObject::tr("Resizing"), Style::getFont(Style::ExtraBig), false, ""), ColumnFormat(1.0, ColumnFormat::VariableSize, ColumnFormat::Center));
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return msg;
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}
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void ChatMessage::markAsSent(const QDateTime &time)
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{
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// remove the spinner and replace it by $time
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replaceContent(2, new Timestamp(time, Settings::getInstance().getTimestampFormat(), Style::getFont(Style::Big)));
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}
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QString ChatMessage::toString() const
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{
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ChatLineContent* c = getContent(1);
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if (c)
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return c->getText();
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return QString();
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}
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bool ChatMessage::isAction() const
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{
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return action;
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}
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void ChatMessage::setAsAction()
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{
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action = true;
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}
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void ChatMessage::hideSender()
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{
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ChatLineContent* c = getContent(0);
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if (c)
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c->hide();
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}
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void ChatMessage::hideDate()
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{
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ChatLineContent* c = getContent(2);
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if (c)
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c->hide();
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}
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QString ChatMessage::detectMarkdown(const QString &str)
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{
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QString out = str;
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// Create regex for certain markdown syntax
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QRegExp exp("(\\*\\*)([^\\*\\*]{2,})(\\*\\*)" // Bold **text**
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"|(\\*)([^\\*]{2,})(\\*)" // Italics *text*
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"|(\\_)([^\\_]{2,})(\\_)" // Italics _text_
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"|(\\_\\_)([^\\_\\_]{2,})(\\_\\_)" // Bold __text__
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"|(\\-)([^\\-]{2,})(\\-)" // Underline -text-
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"|(\\~)([^\\~]{2,})(\\~)" // Strike ~text~
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"|(\\~~)([^\\~\\~]{2,})(\\~~)" // Strike ~~text~~
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"|(\\`)([^\\`]{2,})(\\`)" // Codeblock `text`
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);
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int offset = 0;
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while ((offset = exp.indexIn(out, offset)) != -1)
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{
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QString snipCheck = out.mid(offset-1,exp.cap(0).length()+2);
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QString snippet = exp.cap(0).trimmed();
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QString htmledSnippet;
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// Only parse if surrounded by spaces, newline(s) and/or beginning/end of line
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if ((snipCheck.startsWith(' ') || snipCheck.startsWith('>') || offset == 0)
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&& ((snipCheck.endsWith(' ') || snipCheck.endsWith('<')) || offset + snippet.length() == out.length()))
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{
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int mul = 0; // Determines how many characters to strip from markdown text
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// Set mul depending on markdownPreference
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if (Settings::getInstance().getMarkdownPreference() == WITHOUT_CHARS)
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mul = 2;
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// Match captured string to corresponding md format
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if (exp.cap(1) == "**") // Bold **text**
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htmledSnippet = QString(" <b>%1</b> ").arg(snippet.mid(mul,snippet.length()-2*mul));
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else if (exp.cap(4) == "*" && snippet.length() > 2) // Italics *text*
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htmledSnippet = QString(" <i>%1</i> ").arg(snippet.mid(mul/2,snippet.length()-mul));
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else if (exp.cap(7) == "_" && snippet.length() > 2) // Italics _text_
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htmledSnippet = QString(" <i>%1</i> ").arg(snippet.mid(mul/2,snippet.length()-mul));
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else if (exp.cap(10) == "__"&& snippet.length() > 4) // Bold __text__
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htmledSnippet = QString(" <b>%1</b> ").arg(snippet.mid(mul,snippet.length()-2*mul));
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else if (exp.cap(13) == "-" && snippet.length() > 2) // Underline -text-
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htmledSnippet = QString(" <u>%1</u> ").arg(snippet.mid(mul/2,snippet.length()-mul));
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else if (exp.cap(16) == "~" && snippet.length() > 2) // Strikethrough ~text~
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htmledSnippet = QString(" <s>%1</s> ").arg(snippet.mid(mul/2,snippet.length()-mul));
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else if (exp.cap(19) == "~~" && snippet.length() > 4) // Strikethrough ~~text~~
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htmledSnippet = QString(" <s>%1</s> ").arg(snippet.mid(mul,snippet.length()-2*mul));
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else if (exp.cap(22) == "`" && snippet.length() > 2) // Codeblock `text`
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htmledSnippet = QString("<font color=#595959><code>%1</code></font>").arg(snippet.mid(mul/2,snippet.length()-mul));
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else
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htmledSnippet = snippet;
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out.replace(offset, exp.cap().length(), htmledSnippet);
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offset += htmledSnippet.length();
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} else
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offset += snippet.length();
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}
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return out;
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}
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QString ChatMessage::detectAnchors(const QString &str)
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{
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QString out = str;
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// detect URIs
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QRegExp exp("("
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"(?:\\b)((www\\.)|(http[s]?|ftp)://)" // (protocol)://(printable - non-special character)
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// http://ONEORMOREALHPA-DIGIT
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"\\w+\\S+)" // any other character, lets domains and other
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// ↓ link to a file, or samba share
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// https://en.wikipedia.org/wiki/File_URI_scheme
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"|(?:\\b)((file|smb)://)([\\S| ]*)"
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"|(?:\\b)(tox:[a-zA-Z\\d]{76})" //link with full user address
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"|(?:\\b)(mailto:\\S+@\\S+\\.\\S+)" //@mail link
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"|(?:\\b)(tox:\\S+@\\S+)"); // starts with `tox` then : and only alpha-digits till the end
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// also accepts tox:agilob@net as simplified TOX ID
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int offset = 0;
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while ((offset = exp.indexIn(out, offset)) != -1)
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{
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QString url = exp.cap();
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// If there's a trailing " it's a HTML attribute, e.g. a smiley img's title=":tox:"
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if (url == "tox:\"")
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{
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offset += url.length();
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continue;
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}
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QString htmledUrl;
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// add scheme if not specified
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if (exp.cap(2) == "www.")
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htmledUrl = QString("<a href=\"http://%1\">%1</a>").arg(url);
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else
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htmledUrl = QString("<a href=\"%1\">%1</a>").arg(url);
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out.replace(offset, exp.cap().length(), htmledUrl);
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offset += htmledUrl.length();
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}
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return out;
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}
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QString ChatMessage::detectQuotes(const QString& str, MessageType type)
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{
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// detect text quotes
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QStringList messageLines = str.split("\n");
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QString quotedText;
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for (int i = 0; i < messageLines.size(); ++i)
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{
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// don't quote first line in action message. This makes co-existence of
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// quotes and action messages possible, since only first line can cause
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// problems in case where there is quote in it used.
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if (QRegExp("^(>|＞).*").exactMatch(messageLines[i])) {
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if (i > 0 || type != ACTION)
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quotedText += "<span class=quote>" + messageLines[i] + "</span>";
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else
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quotedText += messageLines[i];
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} else {
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quotedText += messageLines[i];
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}
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if (i < messageLines.size() - 1)
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quotedText += "<br/>";
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}
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return quotedText;
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}
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QString ChatMessage::wrapDiv(const QString &str, const QString &div)
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{
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return QString("<p class=%1>%2</p>").arg(div, /*QChar(0x200E) + */QString(str));
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}
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