src/uisupport/nickview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2016 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,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
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  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #include "nickview.h"
  22
  23 #include <QApplication>
  24 #include <QHeaderView>
  25 #include <QScrollBar>
  26 #include <QDebug>
  27 #include <QMenu>
  28 #include <QTouchEvent>
  29 #include <QScrollBar>
  30
  31 #include "buffermodel.h"
  32 #include "client.h"
  33 #include "contextmenuactionprovider.h"
  34 #include "graphicalui.h"
  35 #include "nickview.h"
  36 #include "nickviewfilter.h"
  37 #include "networkmodel.h"
  38 #include "types.h"
  39
  40 NickView::NickView(QWidget *parent)
  41     : QTreeView(parent)
  42 {
  43     setIndentation(10);
  44     header()->hide();
  45     setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  46     setSortingEnabled(true);
  47     sortByColumn(0, Qt::AscendingOrder);
  48
  49     setContextMenuPolicy(Qt::CustomContextMenu);
  50     setSelectionMode(QAbstractItemView::ExtendedSelection);
  51
  52 //   // breaks with Qt 4.8
  53 //   if(QString("4.8.0") > qVersion()) // FIXME breaks with Qt versions >= 4.10!
  54     setAnimated(true);
  55
  56     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), SLOT(showContextMenu(const QPoint &)));
  57
  58 #if defined Q_WS_QWS || defined Q_WS_X11
  59     connect(this, SIGNAL(doubleClicked(QModelIndex)), SLOT(startQuery(QModelIndex)));
  60 #else
  61     // afaik this is better on Mac and Windows
  62     connect(this, SIGNAL(activated(QModelIndex)), SLOT(startQuery(QModelIndex)));
  63 #endif
  64 }
  65
  66
  67 void NickView::init()
  68 {
  69     if (!model())
  70         return;
  71
  72     for (int i = 1; i < model()->columnCount(); i++)
  73         setColumnHidden(i, true);
  74
  75     connect(selectionModel(), SIGNAL(currentChanged(QModelIndex, QModelIndex)), SIGNAL(selectionUpdated()));
  76     connect(selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)), SIGNAL(selectionUpdated()));
  77         setAttribute(Qt::WA_AcceptTouchEvents);
  78 }
  79
  80
  81 void NickView::setModel(QAbstractItemModel *model_)
  82 {
  83     if (model())
  84         disconnect(model(), 0, this, 0);
  85
  86     QTreeView::setModel(model_);
  87     init();
  88 }
  89
  90
  91 void NickView::rowsInserted(const QModelIndex &parent, int start, int end)
  92 {
  93     QTreeView::rowsInserted(parent, start, end);
  94     if (model()->data(parent, NetworkModel::ItemTypeRole) == NetworkModel::UserCategoryItemType && !isExpanded(parent)) {
  95         unanimatedExpandAll();
  96     }
  97 }
  98
  99
 100 void NickView::setRootIndex(const QModelIndex &index)
 101 {
 102     QAbstractItemView::setRootIndex(index);
 103     if (index.isValid())
 104         unanimatedExpandAll();
 105 }
 106
 107
 108 QModelIndexList NickView::selectedIndexes() const
 109 {
 110     QModelIndexList indexList = QTreeView::selectedIndexes();
 111
 112     // make sure the item we clicked on is first
 113     if (indexList.contains(currentIndex())) {
 114         indexList.removeAll(currentIndex());
 115         indexList.prepend(currentIndex());
 116     }
 117
 118     return indexList;
 119 }
 120
 121
 122 void NickView::unanimatedExpandAll()
 123 {
 124     // since of Qt Version 4.8.0 the default expandAll will not properly work if
 125     // animations are enabled. Therefore we perform an unanimated expand when a
 126     // model is set or a toplevel node is inserted.
 127     bool wasAnimated = isAnimated();
 128     setAnimated(false);
 129     expandAll();
 130     setAnimated(wasAnimated);
 131 }
 132
 133
 134 void NickView::showContextMenu(const QPoint &pos)
 135 {
 136     Q_UNUSED(pos);
 137
 138     QMenu contextMenu(this);
 139     GraphicalUi::contextMenuActionProvider()->addActions(&contextMenu, selectedIndexes());
 140     contextMenu.exec(QCursor::pos());
 141 }
 142
 143
 144 void NickView::startQuery(const QModelIndex &index)
 145 {
 146     if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::IrcUserItemType)
 147         return;
 148
 149     IrcUser *ircUser = qobject_cast<IrcUser *>(index.data(NetworkModel::IrcUserRole).value<QObject *>());
 150     NetworkId networkId = index.data(NetworkModel::NetworkIdRole).value<NetworkId>();
 151     if (!ircUser || !networkId.isValid())
 152         return;
 153
 154     Client::bufferModel()->switchToOrStartQuery(networkId, ircUser->nick());
 155 }
 156
 157 bool NickView::event(QEvent *event) {
 158         if (event->type() == QEvent::TouchBegin && _lastTouchStart < QDateTime::currentMSecsSinceEpoch() - 1000) { //(slow) double tab = normal behaviour = select multiple. 1000 ok?
 159                 _touchScrollInProgress = true;
 160                 _lastTouchStart = QDateTime::currentMSecsSinceEpoch();
 161                 setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
 162                 return true;
 163         }
 164
 165         if (event->type() == QEvent::TouchUpdate && _touchScrollInProgress) {
 166                 QTouchEvent::TouchPoint p = ((QTouchEvent*)event)->touchPoints().at(0);
 167                 verticalScrollBar()->setValue(verticalScrollBar()->value() - (p.pos().y() - p.lastPos().y()));
 168                 return true;
 169         }
 170
 171 #if QT_VERSION >= 0x050000
 172         if (event->type() == QEvent::TouchEnd || event->type() == QEvent::TouchCancel) {
 173 #else
 174     if (event->type() == QEvent::TouchEnd) {
 175 #endif
 176                 _touchScrollInProgress = false;
 177                 return true;
 178         }
 179
 180         return QTreeView::event(event);
 181 }
 182
 183 void NickView::mousePressEvent(QMouseEvent * event) {
 184         if (!_touchScrollInProgress)
 185                 QTreeView::mousePressEvent(event);
 186 }
 187
 188 void NickView::mouseMoveEvent(QMouseEvent * event) {
 189         if (!_touchScrollInProgress)
 190                 QTreeView::mouseMoveEvent(event);
 191 }