2018-01-05 01:27:32 +03:00
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#include "Utils.h"
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2018-05-11 16:00:14 +03:00
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#include <QApplication>
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2018-10-01 17:56:46 +03:00
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#include <QComboBox>
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2018-05-11 16:00:14 +03:00
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#include <QDesktopWidget>
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2019-07-05 04:20:19 +03:00
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#include <QGuiApplication>
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2019-08-10 20:14:37 +03:00
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#include <QProcessEnvironment>
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2019-07-05 04:20:19 +03:00
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#include <QScreen>
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2018-07-20 16:15:50 +03:00
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#include <QSettings>
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2018-09-07 20:05:30 +03:00
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#include <QTextDocument>
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2018-09-07 14:52:29 +03:00
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#include <QXmlStreamReader>
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2018-07-30 12:35:15 +03:00
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#include <cmath>
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2018-05-11 16:00:14 +03:00
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2018-09-01 13:35:10 +03:00
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#include <boost/variant.hpp>
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2018-09-11 14:56:09 +03:00
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#include <cmark.h>
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2018-01-05 01:27:32 +03:00
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2018-09-07 14:52:29 +03:00
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#include "Config.h"
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2018-01-05 01:27:32 +03:00
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using TimelineEvent = mtx::events::collections::TimelineEvents;
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2019-01-20 07:43:48 +03:00
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QHash<QString, QString> authorColors_;
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2018-07-20 16:15:50 +03:00
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QString
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utils::localUser()
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{
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QSettings settings;
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return settings.value("auth/user_id").toString();
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}
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2019-07-27 00:44:44 +03:00
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QString
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utils::replaceEmoji(const QString &body)
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{
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QString fmtBody = "";
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QVector<uint> utf32_string = body.toUcs4();
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QSettings settings;
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QString userFontFamily = settings.value("user/emoji_font_family", "emoji").toString();
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for (auto &code : utf32_string) {
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// TODO: Be more precise here.
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if (code > 9000)
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2019-09-07 03:01:44 +03:00
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fmtBody += QString("<font face=\"" + userFontFamily + "\">") +
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QString::fromUcs4(&code, 1) + "</font>";
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2019-07-27 00:44:44 +03:00
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else
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fmtBody += QString::fromUcs4(&code, 1);
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}
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return fmtBody;
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}
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2018-07-22 19:48:58 +03:00
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void
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utils::setScaleFactor(float factor)
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{
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if (factor < 1 || factor > 3)
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return;
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QSettings settings;
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settings.setValue("settings/scale_factor", factor);
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}
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float
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utils::scaleFactor()
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{
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QSettings settings("nheko", "nheko");
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return settings.value("settings/scale_factor", -1).toFloat();
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}
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2018-07-22 16:36:25 +03:00
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bool
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utils::respondsToKeyRequests(const std::string &roomId)
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{
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return respondsToKeyRequests(QString::fromStdString(roomId));
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}
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bool
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utils::respondsToKeyRequests(const QString &roomId)
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{
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if (roomId.isEmpty())
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return false;
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QSettings settings;
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return settings.value("rooms/respond_to_key_requests/" + roomId, false).toBool();
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}
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void
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utils::setKeyRequestsPreference(QString roomId, bool value)
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{
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if (roomId.isEmpty())
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return;
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QSettings settings;
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settings.setValue("rooms/respond_to_key_requests/" + roomId, value);
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}
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2018-01-05 01:27:32 +03:00
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QString
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utils::descriptiveTime(const QDateTime &then)
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{
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const auto now = QDateTime::currentDateTime();
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const auto days = then.daysTo(now);
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if (days == 0)
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2019-07-28 13:50:10 +03:00
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return then.time().toString(Qt::DefaultLocaleShortDate);
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2018-01-05 01:27:32 +03:00
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else if (days < 2)
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2019-07-28 13:50:10 +03:00
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return QString(QCoreApplication::translate("descriptiveTime", "Yesterday"));
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else if (days < 7)
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return then.toString("dddd");
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2018-01-05 01:27:32 +03:00
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2019-07-28 13:50:10 +03:00
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return then.date().toString(Qt::DefaultLocaleShortDate);
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2018-01-05 01:27:32 +03:00
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}
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DescInfo
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2018-04-21 16:34:50 +03:00
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utils::getMessageDescription(const TimelineEvent &event,
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const QString &localUser,
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const QString &room_id)
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2018-01-05 01:27:32 +03:00
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{
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2018-06-28 16:16:43 +03:00
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using Audio = mtx::events::RoomEvent<mtx::events::msg::Audio>;
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using Emote = mtx::events::RoomEvent<mtx::events::msg::Emote>;
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using File = mtx::events::RoomEvent<mtx::events::msg::File>;
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using Image = mtx::events::RoomEvent<mtx::events::msg::Image>;
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using Notice = mtx::events::RoomEvent<mtx::events::msg::Notice>;
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using Text = mtx::events::RoomEvent<mtx::events::msg::Text>;
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using Video = mtx::events::RoomEvent<mtx::events::msg::Video>;
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using Encrypted = mtx::events::EncryptedEvent<mtx::events::msg::Encrypted>;
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2018-01-05 01:27:32 +03:00
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2018-09-01 13:35:10 +03:00
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if (boost::get<Audio>(&event) != nullptr) {
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2018-04-29 15:42:40 +03:00
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return createDescriptionInfo<Audio>(event, localUser, room_id);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<Emote>(&event) != nullptr) {
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2018-04-29 15:42:40 +03:00
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return createDescriptionInfo<Emote>(event, localUser, room_id);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<File>(&event) != nullptr) {
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2018-04-29 15:42:40 +03:00
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return createDescriptionInfo<File>(event, localUser, room_id);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<Image>(&event) != nullptr) {
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2018-04-29 15:42:40 +03:00
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return createDescriptionInfo<Image>(event, localUser, room_id);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<Notice>(&event) != nullptr) {
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2018-04-29 15:42:40 +03:00
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return createDescriptionInfo<Notice>(event, localUser, room_id);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<Text>(&event) != nullptr) {
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2018-04-29 15:42:40 +03:00
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return createDescriptionInfo<Text>(event, localUser, room_id);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<Video>(&event) != nullptr) {
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2018-04-29 15:42:40 +03:00
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return createDescriptionInfo<Video>(event, localUser, room_id);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<mtx::events::Sticker>(&event) != nullptr) {
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2018-04-29 15:42:40 +03:00
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return createDescriptionInfo<mtx::events::Sticker>(event, localUser, room_id);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<Encrypted>(&event) != nullptr) {
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const auto msg = boost::get<Encrypted>(event);
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2018-06-28 16:16:43 +03:00
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const auto sender = QString::fromStdString(msg.sender);
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const auto username = Cache::displayName(room_id, sender);
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const auto ts = QDateTime::fromMSecsSinceEpoch(msg.origin_server_ts);
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DescInfo info;
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if (sender == localUser)
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2019-07-28 13:50:10 +03:00
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info.username = QCoreApplication::translate("utils", "You");
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2018-06-28 16:16:43 +03:00
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else
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info.username = username;
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info.userid = sender;
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info.body = QString(" %1").arg(messageDescription<Encrypted>());
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info.timestamp = utils::descriptiveTime(ts);
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2018-09-13 19:15:58 +03:00
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info.event_id = QString::fromStdString(msg.event_id);
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2018-06-28 16:16:43 +03:00
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info.datetime = ts;
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return info;
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2018-01-05 01:27:32 +03:00
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}
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return DescInfo{};
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}
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2018-01-12 11:21:53 +03:00
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QString
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utils::firstChar(const QString &input)
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{
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2018-01-25 19:10:05 +03:00
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if (input.isEmpty())
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return input;
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2018-01-12 11:21:53 +03:00
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2018-01-25 19:10:05 +03:00
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for (auto const &c : input.toUcs4()) {
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if (QString::fromUcs4(&c, 1) != QString("#"))
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return QString::fromUcs4(&c, 1).toUpper();
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}
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return QString::fromUcs4(&input.toUcs4().at(0), 1).toUpper();
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2018-01-12 11:21:53 +03:00
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}
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2018-02-18 23:52:31 +03:00
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QString
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2018-02-19 23:09:21 +03:00
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utils::humanReadableFileSize(uint64_t bytes)
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2018-02-18 23:52:31 +03:00
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{
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constexpr static const char *units[] = {"B", "KiB", "MiB", "GiB", "TiB"};
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constexpr static const int length = sizeof(units) / sizeof(units[0]);
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int u = 0;
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double size = static_cast<double>(bytes);
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while (size >= 1024.0 && u < length) {
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++u;
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size /= 1024.0;
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}
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return QString::number(size, 'g', 4) + ' ' + units[u];
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}
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2018-03-25 00:16:15 +03:00
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int
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utils::levenshtein_distance(const std::string &s1, const std::string &s2)
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{
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const int nlen = s1.size();
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const int hlen = s2.size();
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if (hlen == 0)
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return -1;
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if (nlen == 1)
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return s2.find(s1);
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std::vector<int> row1(hlen + 1, 0);
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for (int i = 0; i < nlen; ++i) {
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std::vector<int> row2(1, i + 1);
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for (int j = 0; j < hlen; ++j) {
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const int cost = s1[i] != s2[j];
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row2.push_back(
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std::min(row1[j + 1] + 1, std::min(row2[j] + 1, row1[j] + cost)));
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}
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row1.swap(row2);
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}
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return *std::min_element(row1.begin(), row1.end());
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}
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2018-05-05 16:38:41 +03:00
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QString
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utils::event_body(const mtx::events::collections::TimelineEvents &event)
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{
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using namespace mtx::events;
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using namespace mtx::events::msg;
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2018-09-01 13:35:10 +03:00
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if (boost::get<RoomEvent<Audio>>(&event) != nullptr) {
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2018-05-05 16:38:41 +03:00
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return message_body<RoomEvent<Audio>>(event);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<RoomEvent<Emote>>(&event) != nullptr) {
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2018-05-05 16:38:41 +03:00
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return message_body<RoomEvent<Emote>>(event);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<RoomEvent<File>>(&event) != nullptr) {
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2018-05-05 16:38:41 +03:00
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return message_body<RoomEvent<File>>(event);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<RoomEvent<Image>>(&event) != nullptr) {
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2018-05-05 16:38:41 +03:00
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return message_body<RoomEvent<Image>>(event);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<RoomEvent<Notice>>(&event) != nullptr) {
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2018-05-05 16:38:41 +03:00
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return message_body<RoomEvent<Notice>>(event);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<Sticker>(&event) != nullptr) {
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2018-05-05 16:38:41 +03:00
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return message_body<Sticker>(event);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<RoomEvent<Text>>(&event) != nullptr) {
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2018-05-05 16:38:41 +03:00
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return message_body<RoomEvent<Text>>(event);
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2018-09-01 13:35:10 +03:00
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} else if (boost::get<RoomEvent<Video>>(&event) != nullptr) {
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2018-05-05 16:38:41 +03:00
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return message_body<RoomEvent<Video>>(event);
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}
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return QString();
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}
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2018-05-11 16:00:14 +03:00
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QPixmap
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utils::scaleImageToPixmap(const QImage &img, int size)
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{
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2018-05-18 21:27:44 +03:00
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if (img.isNull())
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return QPixmap();
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2019-07-05 04:20:19 +03:00
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// Deprecated in 5.13: const double sz =
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// std::ceil(QApplication::desktop()->screen()->devicePixelRatioF() * (double)size);
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2018-07-30 12:35:15 +03:00
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const double sz =
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2019-07-05 04:20:19 +03:00
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std::ceil(QGuiApplication::primaryScreen()->devicePixelRatio() * (double)size);
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2018-05-11 16:00:14 +03:00
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return QPixmap::fromImage(
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img.scaled(sz, sz, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
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}
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2018-07-15 20:05:31 +03:00
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2018-08-01 21:10:03 +03:00
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QPixmap
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utils::scaleDown(uint64_t maxWidth, uint64_t maxHeight, const QPixmap &source)
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{
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if (source.isNull())
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return QPixmap();
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const double widthRatio = (double)maxWidth / (double)source.width();
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const double heightRatio = (double)maxHeight / (double)source.height();
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const double minAspectRatio = std::min(widthRatio, heightRatio);
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// Size of the output image.
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int w, h = 0;
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if (minAspectRatio > 1) {
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w = source.width();
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h = source.height();
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} else {
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w = source.width() * minAspectRatio;
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h = source.height() * minAspectRatio;
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}
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return source.scaled(w, h, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
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}
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2018-07-15 20:05:31 +03:00
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QString
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utils::mxcToHttp(const QUrl &url, const QString &server, int port)
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{
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auto mxcParts = mtx::client::utils::parse_mxc_url(url.toString().toStdString());
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return QString("https://%1:%2/_matrix/media/r0/download/%3/%4")
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.arg(server)
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.arg(port)
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.arg(QString::fromStdString(mxcParts.server))
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.arg(QString::fromStdString(mxcParts.media_id));
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}
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2018-08-21 09:22:51 +03:00
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QString
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utils::humanReadableFingerprint(const std::string &ed25519)
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{
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return humanReadableFingerprint(QString::fromStdString(ed25519));
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}
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QString
|
|
|
|
utils::humanReadableFingerprint(const QString &ed25519)
|
|
|
|
{
|
|
|
|
QStringList fingerprintList;
|
|
|
|
for (int i = 0; i < ed25519.length(); i = i + 4) {
|
|
|
|
fingerprintList << ed25519.mid(i, 4);
|
|
|
|
}
|
|
|
|
return fingerprintList.join(" ");
|
2018-08-30 13:39:09 +03:00
|
|
|
}
|
2018-09-07 14:52:29 +03:00
|
|
|
|
|
|
|
QString
|
|
|
|
utils::linkifyMessage(const QString &body)
|
|
|
|
{
|
2018-09-13 16:10:45 +03:00
|
|
|
// Convert to valid XML.
|
|
|
|
auto doc = QString("<html>%1</html>").arg(body);
|
2019-05-01 13:11:19 +03:00
|
|
|
doc.replace(conf::strings::url_regex, conf::strings::url_html);
|
2018-09-13 16:10:45 +03:00
|
|
|
|
2019-05-01 13:11:19 +03:00
|
|
|
return doc;
|
2018-09-07 14:52:29 +03:00
|
|
|
}
|
2018-09-07 20:05:30 +03:00
|
|
|
|
2019-09-21 02:38:17 +03:00
|
|
|
QByteArray escapeRawHtml(const QByteArray &data) {
|
|
|
|
QByteArray buffer;
|
|
|
|
const size_t length = data.size();
|
|
|
|
buffer.reserve(length);
|
|
|
|
for(size_t pos = 0; pos != length; ++pos) {
|
|
|
|
switch(data.at(pos)) {
|
|
|
|
case '&': buffer.append("&"); break;
|
|
|
|
case '<': buffer.append("<"); break;
|
|
|
|
case '>': buffer.append(">"); break;
|
|
|
|
default: buffer.append(data.at(pos)); break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return buffer;
|
|
|
|
}
|
|
|
|
|
2018-09-12 14:20:12 +03:00
|
|
|
QString
|
|
|
|
utils::markdownToHtml(const QString &text)
|
2018-09-07 20:05:30 +03:00
|
|
|
{
|
2019-09-21 02:38:17 +03:00
|
|
|
const auto str = escapeRawHtml(text.toUtf8());
|
2018-09-12 14:20:12 +03:00
|
|
|
const char *tmp_buf =
|
|
|
|
cmark_markdown_to_html(str.constData(), str.size(), CMARK_OPT_DEFAULT);
|
2018-09-07 20:05:30 +03:00
|
|
|
|
2018-09-11 14:56:09 +03:00
|
|
|
// Copy the null terminated output buffer.
|
|
|
|
std::string html(tmp_buf);
|
|
|
|
|
|
|
|
// The buffer is no longer needed.
|
|
|
|
free((char *)tmp_buf);
|
|
|
|
|
2018-09-13 11:02:54 +03:00
|
|
|
auto result = QString::fromStdString(html).trimmed();
|
2018-09-07 20:05:30 +03:00
|
|
|
|
2018-09-13 11:02:54 +03:00
|
|
|
return result;
|
2018-09-07 20:05:30 +03:00
|
|
|
}
|
2018-09-19 22:42:26 +03:00
|
|
|
|
2019-06-14 05:33:04 +03:00
|
|
|
QString
|
|
|
|
utils::getFormattedQuoteBody(const RelatedInfo &related, const QString &html)
|
|
|
|
{
|
|
|
|
return QString("<mx-reply><blockquote><a "
|
2019-07-05 04:20:19 +03:00
|
|
|
"href=\"https://matrix.to/#/%1/%2\">In reply "
|
|
|
|
"to</a>* <a href=\"https://matrix.to/#/%3\">%4</a><br "
|
|
|
|
"/>%5</blockquote></mx-reply>")
|
|
|
|
.arg(related.room,
|
|
|
|
QString::fromStdString(related.related_event),
|
2019-06-14 05:33:04 +03:00
|
|
|
related.quoted_user,
|
|
|
|
related.quoted_user,
|
2019-07-05 04:20:19 +03:00
|
|
|
getQuoteBody(related)) +
|
2019-06-14 05:33:04 +03:00
|
|
|
html;
|
|
|
|
}
|
|
|
|
|
2019-07-05 04:20:19 +03:00
|
|
|
QString
|
|
|
|
utils::getQuoteBody(const RelatedInfo &related)
|
|
|
|
{
|
|
|
|
using MsgType = mtx::events::MessageType;
|
|
|
|
|
|
|
|
switch (related.type) {
|
|
|
|
case MsgType::Text: {
|
|
|
|
return markdownToHtml(related.quoted_body);
|
|
|
|
}
|
|
|
|
case MsgType::File: {
|
2019-07-28 13:50:10 +03:00
|
|
|
return QString(QCoreApplication::translate("utils", "sent a file."));
|
2019-07-05 04:20:19 +03:00
|
|
|
}
|
|
|
|
case MsgType::Image: {
|
2019-07-28 13:50:10 +03:00
|
|
|
return QString(QCoreApplication::translate("utils", "sent an image."));
|
2019-07-05 04:20:19 +03:00
|
|
|
}
|
|
|
|
case MsgType::Audio: {
|
2019-07-28 13:50:10 +03:00
|
|
|
return QString(QCoreApplication::translate("utils", "sent an audio file."));
|
2019-07-05 04:20:19 +03:00
|
|
|
}
|
|
|
|
case MsgType::Video: {
|
2019-07-28 13:50:10 +03:00
|
|
|
return QString(QCoreApplication::translate("utils", "sent a video"));
|
2019-07-05 04:20:19 +03:00
|
|
|
}
|
|
|
|
default: {
|
|
|
|
return related.quoted_body;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-09-19 22:42:26 +03:00
|
|
|
QString
|
|
|
|
utils::linkColor()
|
|
|
|
{
|
|
|
|
QSettings settings;
|
2019-08-10 20:14:37 +03:00
|
|
|
// Default to system theme if QT_QPA_PLATFORMTHEME var is set.
|
|
|
|
QString defaultTheme =
|
|
|
|
QProcessEnvironment::systemEnvironment().value("QT_QPA_PLATFORMTHEME", "").isEmpty()
|
|
|
|
? "light"
|
|
|
|
: "system";
|
|
|
|
const auto theme = settings.value("user/theme", defaultTheme).toString();
|
|
|
|
|
|
|
|
if (theme == "light") {
|
2018-09-19 22:42:26 +03:00
|
|
|
return "#0077b5";
|
2019-08-10 20:14:37 +03:00
|
|
|
} else if (theme == "dark") {
|
2018-09-19 22:42:26 +03:00
|
|
|
return "#38A3D8";
|
2019-08-10 20:14:37 +03:00
|
|
|
} else {
|
|
|
|
return QPalette().color(QPalette::Link).name();
|
|
|
|
}
|
2018-09-19 22:42:26 +03:00
|
|
|
}
|
2018-09-21 10:55:24 +03:00
|
|
|
|
2019-06-27 15:11:02 +03:00
|
|
|
uint32_t
|
2019-01-18 20:17:25 +03:00
|
|
|
utils::hashQString(const QString &input)
|
2019-01-18 07:09:42 +03:00
|
|
|
{
|
2019-06-27 15:11:02 +03:00
|
|
|
uint32_t hash = 0;
|
2019-01-18 07:09:42 +03:00
|
|
|
|
|
|
|
for (int i = 0; i < input.length(); i++) {
|
|
|
|
hash = input.at(i).digitValue() + ((hash << 5) - hash);
|
|
|
|
}
|
2019-01-18 20:17:25 +03:00
|
|
|
|
|
|
|
return hash;
|
|
|
|
}
|
|
|
|
|
|
|
|
QString
|
|
|
|
utils::generateContrastingHexColor(const QString &input, const QString &background)
|
|
|
|
{
|
|
|
|
const QColor backgroundCol(background);
|
|
|
|
const qreal backgroundLum = luminance(background);
|
|
|
|
|
|
|
|
// Create a color for the input
|
2019-01-20 03:12:57 +03:00
|
|
|
auto hash = hashQString(input);
|
|
|
|
// create a hue value based on the hash of the input.
|
2019-06-27 15:11:02 +03:00
|
|
|
auto userHue = static_cast<int>(qAbs(hash % 360));
|
2019-01-20 03:12:57 +03:00
|
|
|
// start with moderate saturation and lightness values.
|
|
|
|
auto sat = 220;
|
|
|
|
auto lightness = 125;
|
2019-01-18 20:17:25 +03:00
|
|
|
|
|
|
|
// converting to a QColor makes the luminance calc easier.
|
2019-01-20 03:12:57 +03:00
|
|
|
QColor inputColor = QColor::fromHsl(userHue, sat, lightness);
|
|
|
|
|
|
|
|
// calculate the initial luminance and contrast of the
|
|
|
|
// generated color. It's possible that no additional
|
|
|
|
// work will be necessary.
|
|
|
|
auto lum = luminance(inputColor);
|
|
|
|
auto contrast = computeContrast(lum, backgroundLum);
|
|
|
|
|
|
|
|
// If the contrast doesn't meet our criteria,
|
|
|
|
// try again and again until they do by modifying first
|
|
|
|
// the lightness and then the saturation of the color.
|
|
|
|
while (contrast < 5) {
|
|
|
|
// if our lightness is at it's bounds, try changing
|
|
|
|
// saturation instead.
|
|
|
|
if (lightness == 242 || lightness == 13) {
|
|
|
|
qreal newSat = qBound(26.0, sat * 1.25, 242.0);
|
|
|
|
|
|
|
|
inputColor.setHsl(userHue, qFloor(newSat), lightness);
|
|
|
|
auto tmpLum = luminance(inputColor);
|
|
|
|
auto higherContrast = computeContrast(tmpLum, backgroundLum);
|
|
|
|
if (higherContrast > contrast) {
|
|
|
|
contrast = higherContrast;
|
|
|
|
sat = newSat;
|
|
|
|
} else {
|
|
|
|
newSat = qBound(26.0, sat / 1.25, 242.0);
|
|
|
|
inputColor.setHsl(userHue, qFloor(newSat), lightness);
|
|
|
|
tmpLum = luminance(inputColor);
|
|
|
|
auto lowerContrast = computeContrast(tmpLum, backgroundLum);
|
|
|
|
if (lowerContrast > contrast) {
|
|
|
|
contrast = lowerContrast;
|
|
|
|
sat = newSat;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
qreal newLightness = qBound(13.0, lightness * 1.25, 242.0);
|
|
|
|
|
|
|
|
inputColor.setHsl(userHue, sat, qFloor(newLightness));
|
|
|
|
|
|
|
|
auto tmpLum = luminance(inputColor);
|
|
|
|
auto higherContrast = computeContrast(tmpLum, backgroundLum);
|
|
|
|
|
|
|
|
// Check to make sure we have actually improved contrast
|
|
|
|
if (higherContrast > contrast) {
|
|
|
|
contrast = higherContrast;
|
|
|
|
lightness = newLightness;
|
|
|
|
// otherwise, try going the other way instead.
|
|
|
|
} else {
|
|
|
|
newLightness = qBound(13.0, lightness / 1.25, 242.0);
|
|
|
|
inputColor.setHsl(userHue, sat, qFloor(newLightness));
|
|
|
|
tmpLum = luminance(inputColor);
|
|
|
|
auto lowerContrast = computeContrast(tmpLum, backgroundLum);
|
|
|
|
if (lowerContrast > contrast) {
|
|
|
|
contrast = lowerContrast;
|
|
|
|
lightness = newLightness;
|
|
|
|
}
|
|
|
|
}
|
2019-01-18 20:17:25 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2019-01-20 03:12:57 +03:00
|
|
|
// get the hex value of the generated color.
|
|
|
|
auto colorHex = inputColor.name();
|
|
|
|
|
2019-01-18 20:17:25 +03:00
|
|
|
return colorHex;
|
|
|
|
}
|
|
|
|
|
|
|
|
qreal
|
|
|
|
utils::computeContrast(const qreal &one, const qreal &two)
|
|
|
|
{
|
|
|
|
auto ratio = (one + 0.05) / (two + 0.05);
|
|
|
|
|
|
|
|
if (two > one) {
|
|
|
|
ratio = 1 / ratio;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ratio;
|
|
|
|
}
|
|
|
|
|
|
|
|
qreal
|
|
|
|
utils::luminance(const QColor &col)
|
|
|
|
{
|
|
|
|
int colRgb[3] = {col.red(), col.green(), col.blue()};
|
|
|
|
qreal lumRgb[3];
|
|
|
|
|
2019-01-18 07:09:42 +03:00
|
|
|
for (int i = 0; i < 3; i++) {
|
2019-01-18 20:17:25 +03:00
|
|
|
qreal v = colRgb[i] / 255.0;
|
|
|
|
v <= 0.03928 ? lumRgb[i] = v / 12.92 : lumRgb[i] = qPow((v + 0.055) / 1.055, 2.4);
|
2019-01-18 07:09:42 +03:00
|
|
|
}
|
2019-01-18 20:17:25 +03:00
|
|
|
|
2019-01-20 03:12:57 +03:00
|
|
|
auto lum = lumRgb[0] * 0.2126 + lumRgb[1] * 0.7152 + lumRgb[2] * 0.0722;
|
|
|
|
|
|
|
|
return lum;
|
2019-01-18 07:09:42 +03:00
|
|
|
}
|
|
|
|
|
2018-09-21 10:55:24 +03:00
|
|
|
void
|
|
|
|
utils::centerWidget(QWidget *widget, QWidget *parent)
|
|
|
|
{
|
2018-09-21 16:44:45 +03:00
|
|
|
auto findCenter = [childRect = widget->rect()](QRect hostRect) -> QPoint {
|
|
|
|
return QPoint(hostRect.center().x() - (childRect.width() * 0.5),
|
|
|
|
hostRect.center().y() - (childRect.height() * 0.5));
|
|
|
|
};
|
|
|
|
|
2018-09-21 10:55:24 +03:00
|
|
|
if (parent) {
|
2018-09-21 16:44:45 +03:00
|
|
|
widget->move(findCenter(parent->geometry()));
|
2018-09-21 10:55:24 +03:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2019-07-05 04:20:19 +03:00
|
|
|
// Deprecated in 5.13: widget->move(findCenter(QApplication::desktop()->screenGeometry()));
|
|
|
|
widget->move(findCenter(QGuiApplication::primaryScreen()->geometry()));
|
2018-09-21 10:55:24 +03:00
|
|
|
}
|
2018-10-01 17:56:46 +03:00
|
|
|
|
|
|
|
void
|
|
|
|
utils::restoreCombobox(QComboBox *combo, const QString &value)
|
|
|
|
{
|
|
|
|
for (auto i = 0; i < combo->count(); ++i) {
|
|
|
|
if (value == combo->itemText(i)) {
|
|
|
|
combo->setCurrentIndex(i);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2018-10-07 14:09:47 +03:00
|
|
|
|
|
|
|
utils::SideBarSizes
|
|
|
|
utils::calculateSidebarSizes(const QFont &f)
|
|
|
|
{
|
|
|
|
const auto height = static_cast<double>(QFontMetrics{f}.lineSpacing());
|
|
|
|
|
|
|
|
SideBarSizes sz;
|
|
|
|
sz.small = std::ceil(3.5 * height + height / 4.0);
|
|
|
|
sz.normal = std::ceil(16 * height);
|
|
|
|
sz.groups = std::ceil(3 * height);
|
|
|
|
sz.collapsePoint = 2 * sz.normal;
|
|
|
|
|
|
|
|
return sz;
|
|
|
|
}
|