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142 lines
3.1 KiB
C++
142 lines
3.1 KiB
C++
#include "chat_moc.h"
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#include "ui_chat_moc.h"
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Chat::Chat(QWidget *parent) :
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QWidget(parent),
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ui(new Ui::Chat)
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{
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ui->setupUi(this);
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namesCompleter.setModel(ui->listUsers->model());
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namesCompleter.setCompletionMode(QCompleter::InlineCompletion);
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ui->messageEdit->setCompleter(&namesCompleter);
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for(auto i : {GLOBAL, ROOM})
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chatDocuments.push_back(new QTextDocument(this));
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ui->chat->setDocument(chatDocuments[GLOBAL]);
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}
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Chat::~Chat()
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{
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delete ui;
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}
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void Chat::setUsername(const QString & user)
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{
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username = user;
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}
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void Chat::setSession(const QString & s)
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{
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session = s;
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if(session.isEmpty())
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setChatId(GLOBAL);
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else
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setChatId(ROOM);
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}
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void Chat::addUser(const QString & user)
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{
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ui->listUsers->addItem(new QListWidgetItem("@" + user));
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}
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void Chat::clearUsers()
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{
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ui->listUsers->clear();
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}
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void Chat::chatMessage(const QString & title, QString body, bool isSystem)
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{
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const QTextCharFormat regularFormat;
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const QString boldHtml = "<b>%1</b>";
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const QString colorHtml = "<font color=\"%1\">%2</font>";
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bool meMentioned = false;
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bool isScrollBarBottom = (ui->chat->verticalScrollBar()->maximum() - ui->chat->verticalScrollBar()->value() < 24);
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QTextCursor curs(ui->chat->document());
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curs.movePosition(QTextCursor::End);
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QString titleColor = "Olive";
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if(isSystem || title == "System")
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titleColor = "ForestGreen";
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if(title == username)
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titleColor = "Gold";
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curs.insertHtml(boldHtml.arg(colorHtml.arg(titleColor, title + ": ")));
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QRegularExpression mentionRe("@[\\w\\d]+");
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auto subBody = body;
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int mem = 0;
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for(auto match = mentionRe.match(subBody); match.hasMatch(); match = mentionRe.match(subBody))
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{
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body.insert(mem + match.capturedEnd(), QChar(-1));
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body.insert(mem + match.capturedStart(), QChar(-1));
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mem += match.capturedEnd() + 2;
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subBody = body.right(body.size() - mem);
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}
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auto pieces = body.split(QChar(-1));
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for(auto & block : pieces)
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{
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if(block.startsWith("@"))
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{
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if(block == "@" + username)
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{
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meMentioned = true;
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curs.insertHtml(boldHtml.arg(colorHtml.arg("IndianRed", block)));
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}
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else
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curs.insertHtml(colorHtml.arg("DeepSkyBlue", block));
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}
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else
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{
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if(isSystem)
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curs.insertHtml(colorHtml.arg("ForestGreen", block));
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else
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curs.insertText(block, regularFormat);
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}
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}
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curs.insertText("\n", regularFormat);
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if(meMentioned || isScrollBarBottom)
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{
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ui->chat->ensureCursorVisible();
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ui->chat->verticalScrollBar()->setValue(ui->chat->verticalScrollBar()->maximum());
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}
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}
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void Chat::sysMessage(QString body)
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{
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chatMessage("System", body, true);
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}
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void Chat::on_messageEdit_returnPressed()
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{
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emit messageSent(ui->messageEdit->text());
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ui->messageEdit->clear();
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}
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void Chat::on_sendButton_clicked()
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{
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emit messageSent(ui->messageEdit->text());
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ui->messageEdit->clear();
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}
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void Chat::on_chatSwitch_clicked()
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{
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if(chatId == GLOBAL && !session.isEmpty())
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setChatId(ROOM);
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else
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setChatId(GLOBAL);
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}
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void Chat::setChatId(ChatId _chatId)
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{
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static const QMap<ChatId, QString> chatNames{{GLOBAL, "Global"}, {ROOM, "Room"}};
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chatId = _chatId;
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ui->chatSwitch->setText(chatNames[chatId] + " chat");
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ui->chat->setDocument(chatDocuments[chatId]);
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}
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