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forked from blue/squawk
squawk/ui/widgets/conversation.cpp

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/*
* Squawk messenger.
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* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "conversation.h"
#include "ui_conversation.h"
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#include <QDebug>
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#include <QScrollBar>
#include <QTimer>
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#include <QGraphicsDropShadowEffect>
#include <QFileDialog>
#include <QMimeDatabase>
#include <unistd.h>
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Conversation::Conversation(bool muc, const QString& mJid, const QString mRes, const QString pJid, const QString pRes, const QString& acc, QWidget* parent):
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QWidget(parent),
isMuc(muc),
myJid(mJid),
myResource(mRes),
palJid(pJid),
activePalResource(pRes),
account(acc),
line(new MessageLine(muc)),
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m_ui(new Ui::Conversation()),
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ker(),
scrollResizeCatcher(),
attachResizeCatcher(),
vis(),
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thread(),
statusIcon(0),
statusLabel(0),
filesLayout(0),
filesToAttach(),
scroll(down),
manualSliderChange(false),
requestingHistory(false),
everShown(false)
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{
m_ui->setupUi(this);
filesLayout = new FlowLayout(m_ui->filesPanel, 0);
m_ui->filesPanel->setLayout(filesLayout);
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m_ui->splitter->setSizes({300, 0});
m_ui->splitter->setStretchFactor(1, 0);
statusIcon = m_ui->statusIcon;
statusLabel = m_ui->statusLabel;
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connect(&ker, &KeyEnterReceiver::enterPressed, this, &Conversation::onEnterPressed);
connect(&scrollResizeCatcher, &Resizer::resized, this, &Conversation::onScrollResize);
connect(&attachResizeCatcher, &Resizer::resized, this, &Conversation::onAttachResize);
connect(&vis, &VisibilityCatcher::shown, this, &Conversation::onScrollResize);
connect(&vis, &VisibilityCatcher::hidden, this, &Conversation::onScrollResize);
connect(m_ui->sendButton, &QPushButton::clicked, this, &Conversation::onEnterPressed);
connect(line, &MessageLine::resize, this, &Conversation::onMessagesResize);
connect(line, &MessageLine::downloadFile, this, &Conversation::downloadFile);
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connect(line, &MessageLine::uploadFile, this, qOverload<const Shared::Message&, const QString&>(&Conversation::sendMessage));
connect(line, &MessageLine::requestLocalFile, this, &Conversation::requestLocalFile);
connect(m_ui->attachButton, &QPushButton::clicked, this, &Conversation::onAttach);
connect(m_ui->clearButton, &QPushButton::clicked, this, &Conversation::onClearButton);
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m_ui->messageEditor->installEventFilter(&ker);
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QScrollBar* vs = m_ui->scrollArea->verticalScrollBar();
m_ui->scrollArea->setWidget(line);
vs->installEventFilter(&vis);
vs->setBackgroundRole(QPalette::Base);
vs->setAutoFillBackground(true);
connect(vs, &QScrollBar::valueChanged, this, &Conversation::onSliderValueChanged);
m_ui->scrollArea->installEventFilter(&scrollResizeCatcher);
m_ui->filesPanel->installEventFilter(&attachResizeCatcher);
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applyVisualEffects();
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}
Conversation::~Conversation()
{
}
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void Conversation::applyVisualEffects()
{
QGraphicsDropShadowEffect *e1 = new QGraphicsDropShadowEffect;
e1->setBlurRadius(10);
e1->setXOffset(0);
e1->setYOffset(-2);
e1->setColor(Qt::black);
m_ui->bl->setGraphicsEffect(e1);
QGraphicsDropShadowEffect *e2 = new QGraphicsDropShadowEffect;
e2->setBlurRadius(7);
e2->setXOffset(0);
e2->setYOffset(2);
e2->setColor(Qt::black);
m_ui->ul->setGraphicsEffect(e2);
QGraphicsDropShadowEffect *e3 = new QGraphicsDropShadowEffect;
e3->setBlurRadius(10);
e3->setXOffset(0);
e3->setYOffset(2);
e3->setColor(Qt::black);
m_ui->ut->setGraphicsEffect(e3);
}
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void Conversation::setName(const QString& name)
{
m_ui->nameLabel->setText(name);
setWindowTitle(name);
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}
QString Conversation::getAccount() const
{
return account;
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}
QString Conversation::getJid() const
{
return palJid;
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}
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void Conversation::addMessage(const Shared::Message& data)
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{
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int pos = m_ui->scrollArea->verticalScrollBar()->sliderPosition();
int max = m_ui->scrollArea->verticalScrollBar()->maximum();
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MessageLine::Position place = line->message(data);
if (place == MessageLine::invalid) {
return;
}
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}
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KeyEnterReceiver::KeyEnterReceiver(QObject* parent): QObject(parent), ownEvent(false) {}
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bool KeyEnterReceiver::eventFilter(QObject* obj, QEvent* event)
{
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QEvent::Type type = event->type();
if (type == QEvent::KeyPress) {
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QKeyEvent* key = static_cast<QKeyEvent*>(event);
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int k = key->key();
if (k == Qt::Key_Enter || k == Qt::Key_Return) {
Qt::KeyboardModifiers mod = key->modifiers();
if (mod & Qt::ControlModifier) {
mod = mod & ~Qt::ControlModifier;
QKeyEvent* nEvent = new QKeyEvent(event->type(), k, mod, key->text(), key->isAutoRepeat(), key->count());
QCoreApplication::postEvent(obj, nEvent);
ownEvent = true;
return true;
} else {
if (ownEvent) {
ownEvent = false;
} else {
emit enterPressed();
return true;
}
}
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}
}
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return QObject::eventFilter(obj, event);
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}
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QString Conversation::getPalResource() const
{
return activePalResource;
}
void Conversation::setPalResource(const QString& res)
{
activePalResource = res;
}
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void Conversation::onEnterPressed()
{
QString body(m_ui->messageEditor->toPlainText());
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if (body.size() > 0) {
m_ui->messageEditor->clear();
handleSendMessage(body);
}
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if (filesToAttach.size() > 0) {
for (Badge* badge : filesToAttach) {
Shared::Message msg;
if (isMuc) {
msg.setType(Shared::Message::groupChat);
} else {
msg.setType(Shared::Message::chat);
msg.setToResource(activePalResource);
}
msg.setFromJid(myJid);
msg.setFromResource(myResource);
msg.setToJid(palJid);
msg.setOutgoing(true);
msg.generateRandomId();
msg.setCurrentTime();
line->appendMessageWithUpload(msg, badge->id);
usleep(1000); //this is required for the messages not to have equal time when appending into messageline
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}
clearAttachedFiles();
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}
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}
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void Conversation::onMessagesResize(int amount)
{
manualSliderChange = true;
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switch (scroll) {
case down:
m_ui->scrollArea->verticalScrollBar()->setValue(m_ui->scrollArea->verticalScrollBar()->maximum());
break;
case keep: {
int max = m_ui->scrollArea->verticalScrollBar()->maximum();
int value = m_ui->scrollArea->verticalScrollBar()->value() + amount;
m_ui->scrollArea->verticalScrollBar()->setValue(value);
if (value == max) {
scroll = down;
} else {
scroll = nothing;
}
}
break;
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default:
break;
}
manualSliderChange = false;
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}
void Conversation::onSliderValueChanged(int value)
{
if (!manualSliderChange) {
if (value == m_ui->scrollArea->verticalScrollBar()->maximum()) {
scroll = down;
} else {
if (!requestingHistory && value == 0) {
requestingHistory = true;
line->showBusyIndicator();
emit requestArchive(line->firstMessageId());
scroll = keep;
} else {
scroll = nothing;
}
}
}
}
void Conversation::responseArchive(const std::list<Shared::Message> list)
{
requestingHistory = false;
scroll = keep;
line->hideBusyIndicator();
for (std::list<Shared::Message>::const_iterator itr = list.begin(), end = list.end(); itr != end; ++itr) {
addMessage(*itr);
}
}
void Conversation::showEvent(QShowEvent* event)
{
if (!everShown) {
everShown = true;
line->showBusyIndicator();
requestingHistory = true;
scroll = keep;
emit requestArchive(line->firstMessageId());
}
emit shown();
QWidget::showEvent(event);
}
void Conversation::onAttach()
{
QFileDialog* d = new QFileDialog(this, tr("Chose a file to send"));
d->setFileMode(QFileDialog::ExistingFile);
connect(d, &QFileDialog::accepted, this, &Conversation::onFileSelected);
connect(d, &QFileDialog::rejected, d, &QFileDialog::deleteLater);
d->show();
}
void Conversation::onFileSelected()
{
QFileDialog* d = static_cast<QFileDialog*>(sender());
for (const QString& path : d->selectedFiles()) {
addAttachedFile(path);
}
d->deleteLater();
}
void Conversation::setStatus(const QString& status)
{
statusLabel->setText(status);
}
void Conversation::onScrollResize()
{
if (everShown) {
int size = m_ui->scrollArea->width();
QScrollBar* bar = m_ui->scrollArea->verticalScrollBar();
if (bar->isVisible()) {
size -= bar->width();
}
line->setMaximumWidth(size);
}
}
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void Conversation::responseFileProgress(const QString& messageId, qreal progress)
{
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line->fileProgress(messageId, progress);
}
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void Conversation::fileError(const QString& messageId, const QString& error)
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{
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line->fileError(messageId, error);
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}
void Conversation::responseLocalFile(const QString& messageId, const QString& path)
{
line->responseLocalFile(messageId, path);
}
void Conversation::addAttachedFile(const QString& path)
{
QMimeDatabase db;
QMimeType type = db.mimeTypeForFile(path);
QFileInfo info(path);
Badge* badge = new Badge(path, info.fileName(), QIcon::fromTheme(type.iconName()));
connect(badge, &Badge::close, this, &Conversation::onBadgeClose);
filesToAttach.push_back(badge); //TODO neet to check if there are any duplicated ids
filesLayout->addWidget(badge);
if (filesLayout->count() == 1) {
filesLayout->setContentsMargins(3, 3, 3, 3);
}
}
void Conversation::removeAttachedFile(Badge* badge)
{
W::Order<Badge*, Badge::Comparator>::const_iterator itr = filesToAttach.find(badge);
if (itr != filesToAttach.end()) {
filesToAttach.erase(badge);
if (filesLayout->count() == 1) {
filesLayout->setContentsMargins(0, 0, 0, 0);
}
badge->deleteLater();
}
}
void Conversation::onBadgeClose()
{
Badge* badge = static_cast<Badge*>(sender());
removeAttachedFile(badge);
}
void Conversation::clearAttachedFiles()
{
for (Badge* badge : filesToAttach) {
badge->deleteLater();
}
filesToAttach.clear();
filesLayout->setContentsMargins(0, 0, 0, 0);
}
void Conversation::onClearButton()
{
clearAttachedFiles();
m_ui->messageEditor->clear();
}
void Conversation::onAttachResize(const QSize& oldSize, const QSize& newSize)
{
int oh = oldSize.height();
int nh = newSize.height();
int d = oh - nh;
if (d != 0) {
QList<int> cs = m_ui->splitter->sizes();
cs.first() += d;
cs.last() -=d;
m_ui->splitter->setSizes(cs);
m_ui->scrollArea->verticalScrollBar()->setValue(m_ui->scrollArea->verticalScrollBar()->maximum());
}
}
bool VisibilityCatcher::eventFilter(QObject* obj, QEvent* event)
{
if (event->type() == QEvent::Show) {
emit shown();
}
if (event->type() == QEvent::Hide) {
emit hidden();
}
return false;
}
VisibilityCatcher::VisibilityCatcher(QWidget* parent):
QObject(parent)
{
}