src/client/buffermodel.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2019 by the Quassel Project                        *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
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  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
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  19  ***************************************************************************/
  20
  21 #include "buffermodel.h"
  22
  23 #include <QAbstractItemView>
  24
  25 #include "client.h"
  26 #include "networkmodel.h"
  27 #include "quassel.h"
  28
  29 BufferModel::BufferModel(NetworkModel* parent)
  30     : QSortFilterProxyModel(parent)
  31     , _selectionModelSynchronizer(this)
  32 {
  33     setSourceModel(parent);
  34     if (Quassel::isOptionSet("debugbufferswitches")) {
  35         connect(_selectionModelSynchronizer.selectionModel(), &QItemSelectionModel::currentChanged, this, &BufferModel::debug_currentChanged);
  36     }
  37     connect(Client::instance(), &Client::networkCreated, this, &BufferModel::newNetwork);
  38     connect(this, &QAbstractItemModel::rowsInserted, this, &BufferModel::newBuffers);
  39 }
  40
  41 bool BufferModel::filterAcceptsRow(int sourceRow, const QModelIndex& parent) const
  42 {
  43     Q_UNUSED(sourceRow);
  44     // only networks and buffers are allowed
  45     if (!parent.isValid())
  46         return true;
  47     if (parent.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType)
  48         return true;
  49
  50     return false;
  51 }
  52
  53 void BufferModel::newNetwork(NetworkId id)
  54 {
  55     const Network* net = Client::network(id);
  56     Q_ASSERT(net);
  57     connect(net, &Network::connectionStateSet, this, &BufferModel::networkConnectionChanged);
  58 }
  59
  60 void BufferModel::networkConnectionChanged(Network::ConnectionState state)
  61 {
  62     switch (state) {
  63     case Network::Connecting:
  64     case Network::Initializing:
  65         if (currentIndex().isValid())
  66             return;
  67         {
  68             auto* net = qobject_cast<Network*>(sender());
  69             Q_ASSERT(net);
  70             setCurrentIndex(mapFromSource(Client::networkModel()->networkIndex(net->networkId())));
  71         }
  72         break;
  73     default:
  74         return;
  75     }
  76 }
  77
  78 void BufferModel::synchronizeView(QAbstractItemView* view)
  79 {
  80     _selectionModelSynchronizer.synchronizeSelectionModel(view->selectionModel());
  81 }
  82
  83 void BufferModel::setCurrentIndex(const QModelIndex& newCurrent)
  84 {
  85     _selectionModelSynchronizer.selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::Current);
  86     _selectionModelSynchronizer.selectionModel()->select(newCurrent, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
  87 }
  88
  89 void BufferModel::switchToBuffer(const BufferId& bufferId)
  90 {
  91     QModelIndex source_index = Client::networkModel()->bufferIndex(bufferId);
  92     setCurrentIndex(mapFromSource(source_index));
  93 }
  94
  95 void BufferModel::switchToBufferIndex(const QModelIndex& bufferIdx)
  96 {
  97     // we accept indexes that directly belong to us or our parent - nothing else
  98     if (bufferIdx.model() == this) {
  99         setCurrentIndex(bufferIdx);
 100         return;
 101     }
 102
 103     if (bufferIdx.model() == sourceModel()) {
 104         setCurrentIndex(mapFromSource(bufferIdx));
 105         return;
 106     }
 107
 108     qWarning() << "BufferModel::switchToBufferIndex(const QModelIndex &):" << bufferIdx << "does not belong to BufferModel or NetworkModel";
 109 }
 110
 111 void BufferModel::switchToOrJoinBuffer(NetworkId networkId, const QString& name, bool isQuery)
 112 {
 113     BufferId bufId = Client::networkModel()->bufferId(networkId, name);
 114     if (bufId.isValid()) {
 115         QModelIndex targetIdx = Client::networkModel()->bufferIndex(bufId);
 116         switchToBuffer(bufId);
 117         if (!targetIdx.data(NetworkModel::ItemActiveRole).toBool()) {
 118             qDebug() << "switchToOrJoinBuffer failed to switch even though bufId:" << bufId << "is valid.";
 119             Client::userInput(BufferInfo::fakeStatusBuffer(networkId), QString(isQuery ? "/QUERY %1" : "/JOIN %1").arg(name));
 120         }
 121     }
 122     else {
 123         _bufferToSwitchTo = qMakePair(networkId, name);
 124         Client::userInput(BufferInfo::fakeStatusBuffer(networkId), QString(isQuery ? "/QUERY %1" : "/JOIN %1").arg(name));
 125     }
 126 }
 127
 128 void BufferModel::debug_currentChanged(QModelIndex current, QModelIndex previous)
 129 {
 130     Q_UNUSED(previous);
 131     qDebug() << "Switched current Buffer: " << current << current.data().toString()
 132              << "Buffer:" << current.data(NetworkModel::BufferIdRole).value<BufferId>();
 133 }
 134
 135 void BufferModel::newBuffers(const QModelIndex& parent, int start, int end)
 136 {
 137     if (parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
 138         return;
 139
 140     for (int row = start; row <= end; row++) {
 141         QModelIndex child = parent.model()->index(row, 0, parent);
 142         newBuffer(child.data(NetworkModel::BufferIdRole).value<BufferId>());
 143     }
 144 }
 145
 146 void BufferModel::newBuffer(BufferId bufferId)
 147 {
 148     BufferInfo bufferInfo = Client::networkModel()->bufferInfo(bufferId);
 149     if (_bufferToSwitchTo.first == bufferInfo.networkId() && _bufferToSwitchTo.second == bufferInfo.bufferName()) {
 150         _bufferToSwitchTo.first = 0;
 151         _bufferToSwitchTo.second.clear();
 152         switchToBuffer(bufferId);
 153     }
 154 }
 155
 156 void BufferModel::switchToBufferAfterCreation(NetworkId network, const QString& name)
 157 {
 158     _bufferToSwitchTo = qMakePair(network, name);
 159 }