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/***************************************************************************** |
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* |
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* Copyright (C) 2009 - 2022 Florian Pose <fp@igh.de> |
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* |
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* This file is part of the QtPdCom library. |
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* |
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* The QtPdCom library is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or (at your |
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* option) any later version. |
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* |
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* The QtPdCom library is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
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* License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with the QtPdCom Library. If not, see <http://www.gnu.org/licenses/>. |
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* |
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****************************************************************************/ |
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#include "MessageModelImpl.h" |
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#include "MessageImpl.h" |
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#include "MessageItem.h" |
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#include <QDateTime> |
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#include <QFutureWatcher> |
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#include <QtPdCom1/Process.h> |
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using QtPdCom::MessageModel; |
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/****************************************************************************/ |
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/** Constructor. |
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*/ |
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✗ |
MessageModel::Impl::Impl(MessageModel *model): |
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parent {model}, |
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announcedMessageItem {nullptr}, |
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messageManager {nullptr}, |
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rowLimit {1000}, |
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canFetchMore {false}, |
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historicSeqNo {0}, |
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✗ |
lessThan {MessageItem::levelNoLessThan} |
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{} |
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/****************************************************************************/ |
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/** Destructor. |
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*/ |
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✗ |
MessageModel::Impl::~Impl() |
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{} |
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/****************************************************************************/ |
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/** Insert a message item. |
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*/ |
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✗ |
void MessageModel::Impl::insertItem(MessageItem *msgItem) |
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{ |
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int row = messageItemList.indexOf(msgItem); |
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if (row >= 0) { |
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parent->beginRemoveRows(QModelIndex(), row, row); |
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messageItemList.removeAt(row); |
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parent->endRemoveRows(); |
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} |
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row = (messageItemList.empty() |
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or MessageItem::lessThan(msgItem, messageItemList.first())) |
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? 0 |
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: (std::lower_bound( |
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messageItemList.begin(), |
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messageItemList.end(), |
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msgItem, |
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lessThan) |
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- messageItemList.begin()); |
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parent->beginInsertRows(QModelIndex(), row, row); |
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messageItemList.insert(row, msgItem); |
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parent->endInsertRows(); |
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// Is this a candidate for the current/announced message? |
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// |
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// Announce this message as current message, if |
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// - there is either no message announced yet, |
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// - the message type is more important than the type of the announced one |
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// - the sequence number is earlier |
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if (msgItem->isActive() |
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and (!announcedMessageItem |
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or msgItem->getType() > announcedMessageItem->getType() |
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or (msgItem->getType() == announcedMessageItem->getType() |
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and seqNoLessThan( |
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msgItem->seqNo, |
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announcedMessageItem->seqNo)))) { |
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announcedMessageItem = msgItem; |
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#if PD_DEBUG_MESSAGE_MODEL |
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qDebug() << __func__ << "currentMessage" << msgItem |
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<< msgItem->message; |
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#endif |
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emit parent->currentMessage(announcedMessageItem->message); |
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} |
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else if (msgItem->resetTime and msgItem == announcedMessageItem) { |
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// search for a new message to announce |
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announce(); |
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} |
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} |
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/****************************************************************************/ |
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/** Called from the PdCom interface, if a new message appears via |
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* processMessage() or in context of activeMessagesReply(). |
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*/ |
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void MessageModel::Impl::addProcessMessage(const PdCom::Message &pdComMsg) |
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{ |
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QString path {QString::fromStdString(pdComMsg.path)}; |
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#if PD_DEBUG_MESSAGE_MODEL |
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qDebug() << __func__ << "seqno" << pdComMsg.seqNo; |
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#endif |
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Message *&msg = messageMap[path][pdComMsg.index]; |
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if (!msg) { |
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#if PD_DEBUG_MESSAGE_MODEL |
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qDebug() << __func__ << "not in map. creating new message."; |
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#endif |
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msg = new Message(); |
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msg->impl->fromPdComMessage(pdComMsg); |
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} |
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else { |
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// the server text may have changed, e. g. after a server restart |
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if (not pdComMsg.text.empty()) { |
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msg->impl->serverText = pdComMsg.text.c_str(); |
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} |
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} |
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auto msgItem {msg->impl->currentItem}; |
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#if PD_DEBUG_MESSAGE_MODEL |
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qDebug() << __func__ << "msgItem" << msgItem; |
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if (msgItem) { |
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qDebug() << __func__ << "currentItem seqNo" << msgItem->seqNo; |
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} |
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#endif |
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if (pdComMsg.level != PdCom::LogLevel::Reset) { // set |
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if (not msg->impl->announced) { |
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emit parent->anyMessage(msg); |
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msg->impl->announced = true; |
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} |
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if (msgItem) { |
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// already has current item |
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if (!msgItem->seqNo) { |
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// Current item has zero seqNo -> from mixed mode. |
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// Just attach the seqNo. |
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msgItem->seqNo = pdComMsg.seqNo; |
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} |
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else if (msgItem->seqNo != pdComMsg.seqNo) { |
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// Current item has different seqNo. |
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// Not ours, thus create a new one. |
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msgItem = new MessageItem(msg, this, pdComMsg.time.count()); |
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msgItem->seqNo = pdComMsg.seqNo; |
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} |
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} |
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else { // no current item |
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msgItem = new MessageItem(msg, this, pdComMsg.time.count()); |
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msgItem->seqNo = pdComMsg.seqNo; |
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msg->impl->currentItem = msgItem; |
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} |
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insertItem(msgItem); |
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} |
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else { // reset |
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#if PD_DEBUG_MESSAGE_MODEL |
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qDebug() << __func__ << "reset msgItem" << msgItem; |
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#endif |
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msg->impl->announced = false; |
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if (msgItem) { |
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msgItem->resetTime = pdComMsg.time.count(); |
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// notify views |
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int row = messageItemList.indexOf(msgItem); |
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#if PD_DEBUG_MESSAGE_MODEL |
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qDebug() << __func__ << "reset row" << row; |
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#endif |
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if (row >= 0) { |
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QModelIndex idx0 = parent->index(row, 0); |
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QModelIndex idx1 = parent->index(row, 2); |
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emit parent->dataChanged(idx0, idx1); |
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} |
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msg->impl->currentItem = nullptr; |
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if (msgItem == announcedMessageItem) { |
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announce(); |
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} |
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} |
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} |
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} |
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/****************************************************************************/ |
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/** Called from the PdCom interface, if a historic message appears via |
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* getMessageReply(). |
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*/ |
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void MessageModel::Impl::addHistoricMessage( |
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const PdCom::Message &pdComMsg, |
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const PdCom::Message &resetMsg) |
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{ |
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QString path {QString::fromStdString(pdComMsg.path)}; |
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#if PD_DEBUG_MESSAGE_MODEL |
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qDebug() << __func__ << pdComMsg.seqNo << resetMsg.seqNo; |
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#endif |
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Message *&msg = messageMap[path][pdComMsg.index]; |
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if (!msg) { |
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msg = new Message(); |
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msg->impl->fromPdComMessage(pdComMsg); |
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} |
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else { |
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if (not pdComMsg.text.empty()) { |
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msg->impl->serverText = pdComMsg.text.c_str(); |
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} |
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} |
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auto msgItem = new MessageItem(msg, this, pdComMsg.time.count()); |
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msgItem->seqNo = pdComMsg.seqNo; |
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msgItem->resetTime = resetMsg.time.count(); |
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insertItem(msgItem); |
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} |
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/****************************************************************************/ |
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/** Returns a wrapped version of a string. |
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*/ |
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QString MessageModel::Impl::wrapText(const QString &text, unsigned int width) |
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{ |
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QString ret; |
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int lineOffset, i; |
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lineOffset = 0; |
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while (lineOffset + (int) width < text.length()) { |
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// search last space before line end |
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for (i = width; i >= 0; i--) { |
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if (text[lineOffset + i].isSpace()) { |
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break; // break at whitespace |
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} |
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} |
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if (i < 0) { // no whitespace found |
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i = width; // "hard" break at line end |
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} |
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ret += text.mid(lineOffset, i) + QChar(QChar::LineSeparator); |
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lineOffset += i + 1; // skip line and whitespace |
| 252 |
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} |
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ret += text.mid(lineOffset); // append remaining string |
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return ret; |
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} |
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/****************************************************************************/ |
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void MessageModel::Impl::getHistoryMessage() |
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{ |
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if (!messageManager) { |
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qWarning() << __func__ << "no message manager"; |
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return; |
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} |
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#if PD_DEBUG_MESSAGE_MODEL |
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qDebug() << __func__ << "setting canFetchMore to false"; |
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#endif |
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canFetchMore = false; // avoid fetchMore called twice for same seqNo |
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uint32_t prevSeqNo = historicSeqNo - 1; |
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#if PD_DEBUG_MESSAGE_MODEL |
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qDebug() << __func__ << "fetching" << prevSeqNo; |
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#endif |
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try { |
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messageManager->getMessage(prevSeqNo, this, &Impl::getMessageReply); |
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} |
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✗ |
catch (PdCom::Exception &e) { |
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qDebug() << __func__ << e.what(); |
| 282 |
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} |
| 283 |
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} |
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/****************************************************************************/ |
| 286 |
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✗ |
void MessageModel::Impl::announce() |
| 288 |
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{ |
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✗ |
MessageItemList sortedList(messageItemList); |
| 290 |
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✗ |
std::sort( |
| 291 |
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✗ |
sortedList.begin(), |
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✗ |
sortedList.end(), |
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MessageItem::levelNoLessThan); |
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// if there is no active message, announce a nullptr |
| 296 |
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✗ |
if (not sortedList.front()->isActive()) { |
| 297 |
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✗ |
if (announcedMessageItem) { |
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✗ |
announcedMessageItem = nullptr; |
| 299 |
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#if PD_DEBUG_MESSAGE_MODEL |
| 300 |
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qDebug() << __func__ << "currentMessage null"; |
| 301 |
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#endif |
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✗ |
emit parent->currentMessage(nullptr); |
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} |
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✗ |
return; |
| 305 |
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} |
| 306 |
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| 307 |
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// the first active message in the sorted list determines the type |
| 308 |
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✗ |
auto type = sortedList.front()->getType(); |
| 309 |
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// find the earliest message with this type |
| 311 |
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✗ |
MessageItem *candidate {nullptr}; |
| 312 |
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✗ |
for (MessageItemList::const_iterator it = sortedList.begin(); |
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✗ |
(it != sortedList.end() and (*it)->isActive() |
| 314 |
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✗ |
and (*it)->getType() == type); |
| 315 |
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++it) { |
| 316 |
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✗ |
candidate = *it; |
| 317 |
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} |
| 318 |
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✗ |
if (announcedMessageItem == candidate) { |
| 320 |
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// still the same message, no new announcement needed |
| 321 |
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✗ |
return; |
| 322 |
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} |
| 323 |
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✗ |
announcedMessageItem = candidate; |
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✗ |
const QtPdCom::Message *msg {nullptr}; |
| 326 |
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✗ |
if (announcedMessageItem) { |
| 327 |
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✗ |
msg = announcedMessageItem->message; |
| 328 |
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} |
| 329 |
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#if PD_DEBUG_MESSAGE_MODEL |
| 330 |
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qDebug() << __func__ << "currentMessage" << announcedMessageItem << msg; |
| 331 |
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#endif |
| 332 |
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✗ |
emit parent->currentMessage(msg); |
| 333 |
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} |
| 334 |
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/***************************************************************************** |
| 336 |
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* private slots |
| 337 |
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****************************************************************************/ |
| 338 |
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| 339 |
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/** Reacts on process values changes of all messages to watch. |
| 340 |
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*/ |
| 341 |
|
✗ |
void MessageModel::Impl::stateChanged() |
| 342 |
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{ |
| 343 |
|
✗ |
Message *msg = (Message *) sender(); |
| 344 |
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✗ |
DoubleVariable &var = msg->impl->variable; |
| 345 |
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✗ |
double time {var.hasData() ? var.getValue() : 0.0}; |
| 346 |
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| 347 |
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#if PD_DEBUG_MESSAGE_MODEL |
| 348 |
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qDebug() << __func__ << msg->getPath() << msg->getIndex() << time; |
| 349 |
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#endif |
| 350 |
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| 351 |
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✗ |
if (time and not msg->impl->announced) { |
| 352 |
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✗ |
emit parent->anyMessage(msg); |
| 353 |
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✗ |
msg->impl->announced = true; |
| 354 |
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} |
| 355 |
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|
| 356 |
|
✗ |
MessageItem *msgItem {nullptr}; |
| 357 |
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|
| 358 |
|
✗ |
if (time) { // set |
| 359 |
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✗ |
MessageItem *msgItem {msg->impl->currentItem}; |
| 360 |
|
✗ |
if (!msgItem) { |
| 361 |
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✗ |
msgItem = new MessageItem(msg, this, time * 1e9); |
| 362 |
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#if PD_DEBUG_MESSAGE_MODEL |
| 363 |
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qDebug() << __func__ << "new msgItem" << msgItem; |
| 364 |
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#endif |
| 365 |
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✗ |
msg->impl->currentItem = msgItem; |
| 366 |
|
✗ |
insertItem(msgItem); |
| 367 |
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} |
| 368 |
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} |
| 369 |
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else { // reset |
| 370 |
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✗ |
msg->impl->announced = false; |
| 371 |
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✗ |
msgItem = msg->impl->currentItem; |
| 372 |
|
✗ |
if (msgItem) { |
| 373 |
|
✗ |
auto now {QDateTime::currentDateTime()}; |
| 374 |
|
✗ |
msgItem->resetTime = now.toMSecsSinceEpoch() * 1000000U; |
| 375 |
|
|
|
| 376 |
|
|
// notify views |
| 377 |
|
✗ |
int row = messageItemList.indexOf(msgItem); |
| 378 |
|
|
#if PD_DEBUG_MESSAGE_MODEL |
| 379 |
|
|
qDebug() << __func__ << "reset row" << row; |
| 380 |
|
|
#endif |
| 381 |
|
✗ |
if (row >= 0) { |
| 382 |
|
✗ |
QModelIndex idx0 = parent->index(row, 0); |
| 383 |
|
✗ |
QModelIndex idx1 = parent->index(row, 2); |
| 384 |
|
✗ |
emit parent->dataChanged(idx0, idx1); |
| 385 |
|
|
} |
| 386 |
|
|
|
| 387 |
|
✗ |
msg->impl->currentItem = nullptr; |
| 388 |
|
✗ |
if (msgItem == announcedMessageItem) { |
| 389 |
|
✗ |
announce(); |
| 390 |
|
|
} |
| 391 |
|
|
} |
| 392 |
|
|
} |
| 393 |
|
|
} |
| 394 |
|
|
|
| 395 |
|
|
/****************************************************************************/ |
| 396 |
|
|
|
| 397 |
|
✗ |
void MessageModel::Impl::processMessage(PdCom::Message message) |
| 398 |
|
|
{ |
| 399 |
|
|
#if PD_DEBUG_MESSAGE_MODEL |
| 400 |
|
|
auto path = QString::fromStdString(message.path); |
| 401 |
|
|
auto text = QString::fromStdString(message.text); |
| 402 |
|
|
qDebug() << __func__; |
| 403 |
|
|
qDebug() << "seqNo" << message.seqNo << "level" << (int) message.level |
| 404 |
|
|
<< "path" << path << "time" << message.time.count() << "index" |
| 405 |
|
|
<< message.index << "text" << text; |
| 406 |
|
|
#endif |
| 407 |
|
|
|
| 408 |
|
✗ |
addProcessMessage(message); |
| 409 |
|
|
} |
| 410 |
|
|
|
| 411 |
|
|
/****************************************************************************/ |
| 412 |
|
|
|
| 413 |
|
✗ |
void MessageModel::Impl::getMessageReply(PdCom::Message message) |
| 414 |
|
|
{ |
| 415 |
|
✗ |
auto path = QString::fromStdString(message.path); |
| 416 |
|
|
|
| 417 |
|
|
#if PD_DEBUG_MESSAGE_MODEL |
| 418 |
|
|
auto text = QString::fromStdString(message.text); |
| 419 |
|
|
qDebug() << __func__; |
| 420 |
|
|
qDebug() << "seqNo" << message.seqNo << "level" << (int) message.level |
| 421 |
|
|
<< "path" << path << "time" << message.time.count() << "index" |
| 422 |
|
|
<< message.index << "text" << text; |
| 423 |
|
|
#endif |
| 424 |
|
|
|
| 425 |
|
✗ |
if (path.isEmpty()) { |
| 426 |
|
|
// EOF marker - no more messages from process |
| 427 |
|
✗ |
return; |
| 428 |
|
|
} |
| 429 |
|
|
|
| 430 |
|
✗ |
historicSeqNo = message.seqNo; |
| 431 |
|
|
|
| 432 |
|
✗ |
canFetchMore = message.level != PdCom::LogLevel::Reset; |
| 433 |
|
|
#if PD_DEBUG_MESSAGE_MODEL |
| 434 |
|
|
qDebug() << __func__ << "setting canFetchMore to" << canFetchMore; |
| 435 |
|
|
#endif |
| 436 |
|
|
|
| 437 |
|
✗ |
bool stillActive {false}; |
| 438 |
|
✗ |
if (canFetchMore) { |
| 439 |
|
|
// found a message that was set in the past. try to find the reset. |
| 440 |
|
|
#if PD_DEBUG_MESSAGE_MODEL |
| 441 |
|
|
bool found {false}; |
| 442 |
|
|
qDebug() << __func__ << "reset msg list size is" |
| 443 |
|
|
<< resetMessagesList.size(); |
| 444 |
|
|
#endif |
| 445 |
|
✗ |
for (auto r = resetMessagesList.begin(); r != resetMessagesList.end(); |
| 446 |
|
|
r++) { |
| 447 |
|
✗ |
if (r->path == message.path and r->index == message.index) { |
| 448 |
|
✗ |
addHistoricMessage(message, *r); |
| 449 |
|
✗ |
resetMessagesList.erase(r); |
| 450 |
|
|
#if PD_DEBUG_MESSAGE_MODEL |
| 451 |
|
|
found = true; |
| 452 |
|
|
#endif |
| 453 |
|
✗ |
break; |
| 454 |
|
|
} |
| 455 |
|
|
} |
| 456 |
|
|
#if PD_DEBUG_MESSAGE_MODEL |
| 457 |
|
|
if (!found) { |
| 458 |
|
|
qDebug() << __func__ << "reset message not found for" |
| 459 |
|
|
<< message.seqNo; |
| 460 |
|
|
// found a message that seems to be still active. Go on with |
| 461 |
|
|
// reading, otherwise views won't ask for more data |
| 462 |
|
|
stillActive = true; |
| 463 |
|
|
} |
| 464 |
|
|
#endif |
| 465 |
|
|
} |
| 466 |
|
|
else { |
| 467 |
|
✗ |
resetMessagesList.append(message); |
| 468 |
|
|
} |
| 469 |
|
|
|
| 470 |
|
✗ |
if ((!canFetchMore or stillActive) and historicSeqNo) { |
| 471 |
|
✗ |
getHistoryMessage(); |
| 472 |
|
|
} |
| 473 |
|
|
} |
| 474 |
|
|
|
| 475 |
|
|
/****************************************************************************/ |
| 476 |
|
|
|
| 477 |
|
✗ |
void MessageModel::Impl::activeMessagesReply( |
| 478 |
|
|
std::vector<PdCom::Message> messageList) |
| 479 |
|
|
{ |
| 480 |
|
✗ |
quint32 maxSeqNo {0}; |
| 481 |
|
|
|
| 482 |
|
|
#if PD_DEBUG_MESSAGE_MODEL |
| 483 |
|
|
qDebug().nospace() << __func__ << "(" << messageList.size() << ")"; |
| 484 |
|
|
#endif |
| 485 |
|
✗ |
for (auto message : messageList) { |
| 486 |
|
|
#if PD_DEBUG_MESSAGE_MODEL |
| 487 |
|
|
auto path = QString::fromStdString(message.path); |
| 488 |
|
|
auto text = QString::fromStdString(message.text); |
| 489 |
|
|
qDebug() << "seqNo" << message.seqNo << "level" << (int) message.level |
| 490 |
|
|
<< "path" << path << "time" << message.time.count() |
| 491 |
|
|
<< "index" << message.index << "text" << text; |
| 492 |
|
|
#endif |
| 493 |
|
✗ |
if (message.level != PdCom::LogLevel::Reset) { |
| 494 |
|
✗ |
addProcessMessage(message); |
| 495 |
|
|
} |
| 496 |
|
|
else { |
| 497 |
|
|
// one entry in the list of active messages can be a reset |
| 498 |
|
|
// message, to announce the current sequence number |
| 499 |
|
✗ |
resetMessagesList.append(message); |
| 500 |
|
|
} |
| 501 |
|
|
|
| 502 |
|
✗ |
if (message.seqNo > maxSeqNo) { |
| 503 |
|
✗ |
maxSeqNo = message.seqNo; |
| 504 |
|
|
} |
| 505 |
|
|
} |
| 506 |
|
|
|
| 507 |
|
✗ |
if (maxSeqNo > 0) { |
| 508 |
|
|
// now fetch one historic message |
| 509 |
|
✗ |
historicSeqNo = maxSeqNo; |
| 510 |
|
✗ |
getHistoryMessage(); |
| 511 |
|
|
} |
| 512 |
|
|
} |
| 513 |
|
|
|
| 514 |
|
|
/****************************************************************************/ |
| 515 |
|
|
|
| 516 |
|
✗ |
void MessageModel::Impl::processReset() |
| 517 |
|
|
{ |
| 518 |
|
|
#if PD_DEBUG_MESSAGE_MODEL |
| 519 |
|
|
qDebug() << __func__; |
| 520 |
|
|
#endif |
| 521 |
|
|
|
| 522 |
|
✗ |
canFetchMore = false; |
| 523 |
|
✗ |
historicSeqNo = 0; |
| 524 |
|
✗ |
resetMessagesList.clear(); |
| 525 |
|
|
|
| 526 |
|
✗ |
parent->beginResetModel(); |
| 527 |
|
✗ |
qDeleteAll(messageItemList); |
| 528 |
|
✗ |
messageItemList.clear(); |
| 529 |
|
✗ |
parent->endResetModel(); |
| 530 |
|
|
|
| 531 |
|
|
// reset current item pointers |
| 532 |
|
✗ |
for (auto hash : messageMap) { |
| 533 |
|
✗ |
for (auto msg : hash) { |
| 534 |
|
✗ |
if (msg->impl->currentItem) { |
| 535 |
|
✗ |
msg->impl->currentItem = nullptr; |
| 536 |
|
|
} |
| 537 |
|
|
} |
| 538 |
|
|
} |
| 539 |
|
|
|
| 540 |
|
✗ |
if (announcedMessageItem) { |
| 541 |
|
✗ |
announcedMessageItem = nullptr; |
| 542 |
|
|
#if PD_DEBUG_MESSAGE_MODEL |
| 543 |
|
|
qDebug() << __func__ << "currentMessage null"; |
| 544 |
|
|
#endif |
| 545 |
|
✗ |
emit parent->currentMessage(nullptr); |
| 546 |
|
|
} |
| 547 |
|
|
} |
| 548 |
|
|
|
| 549 |
|
|
/****************************************************************************/ |
| 550 |
|
|
|
| 551 |
|
✗ |
void MessageModel::Impl::reloadActiveMessages() |
| 552 |
|
|
{ |
| 553 |
|
✗ |
if (!messageManager) { |
| 554 |
|
✗ |
return; |
| 555 |
|
|
} |
| 556 |
|
|
|
| 557 |
|
✗ |
messageManager->activeMessages(this, &Impl::activeMessagesReply); |
| 558 |
|
|
} |
| 559 |
|
|
|
| 560 |
|
|
/****************************************************************************/ |
| 561 |
|
|
|