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/*
* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
*
* 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 <random>
#include <QDebug>
#include <QScrollBar>
#include <QtWidgets/QLabel>
#include <QtWidgets/QSpacerItem>
#include "HistoryView.h"
#include "HistoryViewItem.h"
const QList<QString> HistoryView::COLORS({"#FFF46E",
"#A58BFF",
"#50C9BA",
"#9EE6CF",
"#FFDD67",
"#2980B9",
"#FC993C",
"#2772DB",
"#CB8589",
"#DDE8B9",
"#55A44E",
"#A9EEE6",
"#53B759",
"#9E3997",
"#5D89D5",
"#BB86B7",
"#50a0cf",
"#3C989F",
"#5A4592",
"#235e5b",
"#d58247",
"#e0a729",
"#a2b636",
"#4BBE2E"});
HistoryView::HistoryView(const QList<Event> &events, QWidget *parent)
: QWidget(parent)
{
init();
addEvents(events);
}
HistoryView::HistoryView(QWidget *parent)
: QWidget(parent)
{
init();
}
void HistoryView::clear()
{
nick_colors_.clear();
for (const auto msg : scroll_layout_->children())
msg->deleteLater();
}
void HistoryView::sliderRangeChanged(int min, int max)
{
Q_UNUSED(min);
scroll_area_->verticalScrollBar()->setValue(max);
}
QString HistoryView::chooseRandomColor()
{
std::random_device random_device;
std::mt19937 engine{random_device()};
std::uniform_int_distribution<int> dist(0, HistoryView::COLORS.size() - 1);
return HistoryView::COLORS[dist(engine)];
}
void HistoryView::addEvents(const QList<Event> &events)
{
for (const auto &event : events) {
if (event.type() == "m.room.message") {
auto msg_type = event.content().value("msgtype").toString();
if (msg_type == "m.text" || msg_type == "m.notice") {
auto with_sender = last_sender_ != event.sender();
auto color = nick_colors_.value(event.sender());
if (color.isEmpty()) {
color = chooseRandomColor();
nick_colors_.insert(event.sender(), color);
}
addHistoryItem(event, color, with_sender);
last_sender_ = event.sender();
}
}
}
}
void HistoryView::init()
{
top_layout_ = new QVBoxLayout(this);
top_layout_->setSpacing(0);
top_layout_->setMargin(0);
scroll_area_ = new QScrollArea(this);
scroll_area_->setWidgetResizable(true);
scroll_area_->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
scroll_widget_ = new QWidget();
scroll_layout_ = new QVBoxLayout();
scroll_layout_->addStretch(1);
scroll_layout_->setSpacing(0);
scroll_widget_->setLayout(scroll_layout_);
scroll_area_->setWidget(scroll_widget_);
top_layout_->addWidget(scroll_area_);
setLayout(top_layout_);
connect(scroll_area_->verticalScrollBar(),
SIGNAL(rangeChanged(int, int)),
this,
SLOT(sliderRangeChanged(int, int)));
}
void HistoryView::addHistoryItem(const Event &event, const QString &color, bool with_sender)
{
// TODO: Probably create another function instead of passing the flag.
HistoryViewItem *item = new HistoryViewItem(event, with_sender, color, scroll_widget_);
scroll_layout_->addWidget(item);
}
HistoryView::~HistoryView()
{
}
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