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45402336ac
This was originally implemented by Mohammed Nafees, shared on Basecamp. I've noticed an issue with dragging across screens (monitors) where the chat window will jump vertically. I've tried debugging it, and ultimately it looks like an issue with the `move` method. The coordinates are valid (I tried using global coordinates as well), and the amount to move is correct, but when moving to coordinates on a different screen it doesn't do the right thing.
323 lines
11 KiB
C++
323 lines
11 KiB
C++
//
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// ChatWindow.cpp
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// interface/src/ui
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//
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// Created by Dimitar Dobrev on 3/6/14.
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// Copyright 2014 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#include <QGridLayout>
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#include <QFrame>
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#include <QLayoutItem>
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#include <QPalette>
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#include <QScrollBar>
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#include <QSizePolicy>
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#include <QTimer>
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#include "Application.h"
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#include "FlowLayout.h"
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#include "qtimespan.h"
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#include "ui_chatWindow.h"
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#include "XmppClient.h"
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#include "ChatMessageArea.h"
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#include "ChatWindow.h"
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const int NUM_MESSAGES_TO_TIME_STAMP = 20;
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const QRegularExpression regexLinks("((?:(?:ftp)|(?:https?))://\\S+)");
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ChatWindow::ChatWindow() :
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ui(new Ui::ChatWindow),
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numMessagesAfterLastTimeStamp(0),
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_mousePressed(false),
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_mouseStartPosition()
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{
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ui->setupUi(this);
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// remove the title bar (see the Qt docs on setTitleBarWidget)
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setTitleBarWidget(new QWidget());
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FlowLayout* flowLayout = new FlowLayout(0, 4, 4);
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ui->usersWidget->setLayout(flowLayout);
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ui->messagesGridLayout->setColumnStretch(0, 1);
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ui->messagesGridLayout->setColumnStretch(1, 3);
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ui->messagePlainTextEdit->installEventFilter(this);
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if (!AccountManager::getInstance().isLoggedIn()) {
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ui->connectingToXMPPLabel->setText(tr("You must be logged in to chat with others."));
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}
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#ifdef HAVE_QXMPP
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const QXmppClient& xmppClient = XmppClient::getInstance().getXMPPClient();
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if (xmppClient.isConnected()) {
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participantsChanged();
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const QXmppMucRoom* publicChatRoom = XmppClient::getInstance().getPublicChatRoom();
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connect(publicChatRoom, SIGNAL(participantsChanged()), this, SLOT(participantsChanged()));
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ui->connectingToXMPPLabel->hide();
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startTimerForTimeStamps();
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} else {
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ui->numOnlineLabel->hide();
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ui->closeButton->hide();
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ui->usersWidget->hide();
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ui->messagesScrollArea->hide();
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ui->messagePlainTextEdit->hide();
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connect(&xmppClient, SIGNAL(connected()), this, SLOT(connected()));
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}
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connect(&xmppClient, SIGNAL(messageReceived(QXmppMessage)), this, SLOT(messageReceived(QXmppMessage)));
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#endif
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}
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ChatWindow::~ChatWindow() {
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#ifdef HAVE_QXMPP
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const QXmppClient& xmppClient = XmppClient::getInstance().getXMPPClient();
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disconnect(&xmppClient, SIGNAL(connected()), this, SLOT(connected()));
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disconnect(&xmppClient, SIGNAL(messageReceived(QXmppMessage)), this, SLOT(messageReceived(QXmppMessage)));
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const QXmppMucRoom* publicChatRoom = XmppClient::getInstance().getPublicChatRoom();
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disconnect(publicChatRoom, SIGNAL(participantsChanged()), this, SLOT(participantsChanged()));
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#endif
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delete ui;
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}
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void ChatWindow::mousePressEvent(QMouseEvent *e) {
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if (e->button() == Qt::LeftButton) {
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_mousePressed = true;
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_mouseStartPosition = e->pos();
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}
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}
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void ChatWindow::mouseMoveEvent(QMouseEvent *e) {
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if (_mousePressed) {
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move(mapToParent(e->pos() - _mouseStartPosition));
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}
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}
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void ChatWindow::mouseReleaseEvent( QMouseEvent *e ) {
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if ( e->button() == Qt::LeftButton ) {
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_mousePressed = false;
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}
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}
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void ChatWindow::keyPressEvent(QKeyEvent* event) {
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QDockWidget::keyPressEvent(event);
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if (event->key() == Qt::Key_Escape) {
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hide();
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}
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}
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void ChatWindow::showEvent(QShowEvent* event) {
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QDockWidget::showEvent(event);
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if (!event->spontaneous()) {
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activateWindow();
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ui->messagePlainTextEdit->setFocus();
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}
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}
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bool ChatWindow::eventFilter(QObject* sender, QEvent* event) {
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if (sender == ui->messagePlainTextEdit) {
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if (event->type() != QEvent::KeyPress) {
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return false;
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}
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QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
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if ((keyEvent->key() == Qt::Key_Return || keyEvent->key() == Qt::Key_Enter) &&
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(keyEvent->modifiers() & Qt::ShiftModifier) == 0) {
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QString messageText = ui->messagePlainTextEdit->document()->toPlainText().trimmed();
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if (!messageText.isEmpty()) {
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#ifdef HAVE_QXMPP
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const QXmppMucRoom* publicChatRoom = XmppClient::getInstance().getPublicChatRoom();
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QXmppMessage message;
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message.setTo(publicChatRoom->jid());
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message.setType(QXmppMessage::GroupChat);
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message.setBody(messageText);
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XmppClient::getInstance().getXMPPClient().sendPacket(message);
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#endif
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ui->messagePlainTextEdit->document()->clear();
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}
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return true;
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}
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} else {
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if (event->type() != QEvent::MouseButtonRelease) {
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return false;
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}
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QString user = sender->property("user").toString();
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Menu::getInstance()->goToUser(user);
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}
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return false;
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}
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#ifdef HAVE_QXMPP
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QString ChatWindow::getParticipantName(const QString& participant) {
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const QXmppMucRoom* publicChatRoom = XmppClient::getInstance().getPublicChatRoom();
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return participant.right(participant.count() - 1 - publicChatRoom->jid().count());
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}
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#endif
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void ChatWindow::addTimeStamp() {
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QTimeSpan timePassed = QDateTime::currentDateTime() - lastMessageStamp;
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int times[] = { timePassed.daysPart(), timePassed.hoursPart(), timePassed.minutesPart() };
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QString strings[] = { tr("%n day(s)", 0, times[0]), tr("%n hour(s)", 0, times[1]), tr("%n minute(s)", 0, times[2]) };
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QString timeString = "";
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for (int i = 0; i < 3; i++) {
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if (times[i] > 0) {
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timeString += strings[i] + " ";
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}
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}
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timeString.chop(1);
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if (!timeString.isEmpty()) {
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QLabel* timeLabel = new QLabel(timeString);
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timeLabel->setStyleSheet("color: palette(shadow);"
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"background-color: palette(highlight);"
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"padding: 4px;");
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timeLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
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timeLabel->setAlignment(Qt::AlignHCenter);
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bool atBottom = isAtBottom();
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ui->messagesGridLayout->addWidget(timeLabel, ui->messagesGridLayout->rowCount(), 0, 1, 2);
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ui->messagesGridLayout->parentWidget()->updateGeometry();
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Application::processEvents();
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numMessagesAfterLastTimeStamp = 0;
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if (atBottom) {
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scrollToBottom();
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}
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}
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}
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void ChatWindow::startTimerForTimeStamps() {
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QTimer* timer = new QTimer(this);
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timer->setInterval(10 * 60 * 1000);
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connect(timer, SIGNAL(timeout()), this, SLOT(timeout()));
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timer->start();
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}
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void ChatWindow::connected() {
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ui->connectingToXMPPLabel->hide();
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ui->numOnlineLabel->show();
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ui->closeButton->show();
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ui->usersWidget->show();
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ui->messagesScrollArea->show();
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ui->messagePlainTextEdit->show();
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ui->messagePlainTextEdit->setFocus();
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#ifdef HAVE_QXMPP
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const QXmppMucRoom* publicChatRoom = XmppClient::getInstance().getPublicChatRoom();
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connect(publicChatRoom, SIGNAL(participantsChanged()), this, SLOT(participantsChanged()));
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#endif
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startTimerForTimeStamps();
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}
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void ChatWindow::timeout() {
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if (numMessagesAfterLastTimeStamp >= NUM_MESSAGES_TO_TIME_STAMP) {
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addTimeStamp();
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}
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}
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#ifdef HAVE_QXMPP
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void ChatWindow::error(QXmppClient::Error error) {
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ui->connectingToXMPPLabel->setText(QString::number(error));
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}
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void ChatWindow::participantsChanged() {
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QStringList participants = XmppClient::getInstance().getPublicChatRoom()->participants();
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ui->numOnlineLabel->setText(tr("%1 online now:").arg(participants.count()));
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while (QLayoutItem* item = ui->usersWidget->layout()->takeAt(0)) {
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delete item->widget();
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delete item;
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}
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foreach (const QString& participant, participants) {
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QString participantName = getParticipantName(participant);
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QLabel* userLabel = new QLabel();
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userLabel->setText(participantName);
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userLabel->setStyleSheet("background-color: palette(light);"
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"border-radius: 5px;"
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"color: #267077;"
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"padding-top: 3px;"
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"padding-right: 2px;"
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"padding-bottom: 2px;"
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"padding-left: 2px;"
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"border: 1px solid palette(shadow);"
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"font-weight: bold");
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userLabel->setProperty("user", participantName);
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userLabel->setCursor(Qt::PointingHandCursor);
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userLabel->installEventFilter(this);
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ui->usersWidget->layout()->addWidget(userLabel);
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}
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}
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void ChatWindow::messageReceived(const QXmppMessage& message) {
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if (message.type() != QXmppMessage::GroupChat) {
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return;
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}
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QLabel* userLabel = new QLabel(getParticipantName(message.from()));
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userLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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userLabel->setStyleSheet("padding: 2px; font-weight: bold");
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userLabel->setAlignment(Qt::AlignTop | Qt::AlignRight);
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ChatMessageArea* messageArea = new ChatMessageArea();
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messageArea->setOpenLinks(true);
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messageArea->setOpenExternalLinks(true);
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messageArea->setWordWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
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messageArea->setTextInteractionFlags(Qt::TextBrowserInteraction);
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messageArea->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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messageArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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messageArea->setReadOnly(true);
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messageArea->setStyleSheet("padding-bottom: 2px;"
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"padding-left: 2px;"
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"padding-top: 2px;"
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"padding-right: 20px;"
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"background-color: rgba(0, 0, 0, 0%);"
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"border: 0;");
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bool fromSelf = getParticipantName(message.from()) == AccountManager::getInstance().getUsername();
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if (fromSelf) {
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userLabel->setStyleSheet(userLabel->styleSheet() + "; background-color: #e1e8ea");
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messageArea->setStyleSheet(messageArea->styleSheet() + "; background-color: #e1e8ea");
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}
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messageArea->setHtml(message.body().replace(regexLinks, "<a href=\"\\1\">\\1</a>"));
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bool atBottom = isAtBottom();
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ui->messagesGridLayout->addWidget(userLabel, ui->messagesGridLayout->rowCount(), 0);
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ui->messagesGridLayout->addWidget(messageArea, ui->messagesGridLayout->rowCount() - 1, 1);
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ui->messagesGridLayout->parentWidget()->updateGeometry();
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Application::processEvents();
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if (atBottom || fromSelf) {
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scrollToBottom();
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}
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++numMessagesAfterLastTimeStamp;
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if (message.stamp().isValid()) {
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lastMessageStamp = message.stamp().toLocalTime();
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} else {
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lastMessageStamp = QDateTime::currentDateTime();
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}
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}
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bool ChatWindow::isAtBottom() {
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QScrollBar* verticalScrollBar = ui->messagesScrollArea->verticalScrollBar();
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qDebug() << "Checking for bottom " << verticalScrollBar->sliderPosition() << " " << verticalScrollBar->maximum();
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return verticalScrollBar->sliderPosition() == verticalScrollBar->maximum();
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}
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// Scroll chat message area to bottom.
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void ChatWindow::scrollToBottom() {
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QScrollBar* verticalScrollBar = ui->messagesScrollArea->verticalScrollBar();
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qDebug() << "Scrolling to " << verticalScrollBar->maximum();
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verticalScrollBar->setSliderPosition(verticalScrollBar->maximum());
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}
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#endif
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