src/uisupport/nickview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2018 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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  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
  29 #include "buffermodel.h"
  30 #include "client.h"
  31 #include "contextmenuactionprovider.h"
  32 #include "graphicalui.h"
  33 #include "nickview.h"
  34 #include "nickviewfilter.h"
  35 #include "networkmodel.h"
  36 #include "types.h"
  37
  38 NickView::NickView(QWidget *parent)
  39     : TreeViewTouch(parent)
  40 {
  41     setIndentation(10);
  42     header()->hide();
  43     setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  44     setSortingEnabled(true);
  45     sortByColumn(0, Qt::AscendingOrder);
  46
  47     setContextMenuPolicy(Qt::CustomContextMenu);
  48     setSelectionMode(QAbstractItemView::ExtendedSelection);
  49
  50     setAnimated(true);
  51
  52     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), SLOT(showContextMenu(const QPoint &)));
  53
  54 #if defined Q_OS_MACOS || defined Q_OS_WIN
  55     // afaik this is better on Mac and Windows
  56     connect(this, SIGNAL(activated(QModelIndex)), SLOT(startQuery(QModelIndex)));
  57 #else
  58     connect(this, SIGNAL(doubleClicked(QModelIndex)), SLOT(startQuery(QModelIndex)));
  59 #endif
  60 }
  61
  62
  63 void NickView::init()
  64 {
  65     if (!model())
  66         return;
  67
  68     for (int i = 1; i < model()->columnCount(); i++)
  69         setColumnHidden(i, true);
  70
  71     connect(selectionModel(), SIGNAL(currentChanged(QModelIndex, QModelIndex)), SIGNAL(selectionUpdated()));
  72     connect(selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)), SIGNAL(selectionUpdated()));
  73 }
  74
  75
  76 void NickView::setModel(QAbstractItemModel *model_)
  77 {
  78     if (model())
  79         disconnect(model(), nullptr, this, nullptr);
  80
  81     TreeViewTouch::setModel(model_);
  82     init();
  83 }
  84
  85
  86 void NickView::rowsInserted(const QModelIndex &parent, int start, int end)
  87 {
  88     TreeViewTouch::rowsInserted(parent, start, end);
  89     if (model()->data(parent, NetworkModel::ItemTypeRole) == NetworkModel::UserCategoryItemType && !isExpanded(parent)) {
  90         unanimatedExpandAll();
  91     }
  92 }
  93
  94
  95 void NickView::setRootIndex(const QModelIndex &index)
  96 {
  97     QAbstractItemView::setRootIndex(index);
  98     if (index.isValid())
  99         unanimatedExpandAll();
 100 }
 101
 102
 103 QModelIndexList NickView::selectedIndexes() const
 104 {
 105     QModelIndexList indexList = TreeViewTouch::selectedIndexes();
 106
 107     // make sure the item we clicked on is first
 108     if (indexList.contains(currentIndex())) {
 109         indexList.removeAll(currentIndex());
 110         indexList.prepend(currentIndex());
 111     }
 112
 113     return indexList;
 114 }
 115
 116
 117 void NickView::unanimatedExpandAll()
 118 {
 119     // since of Qt Version 4.8.0 the default expandAll will not properly work if
 120     // animations are enabled. Therefore we perform an unanimated expand when a
 121     // model is set or a toplevel node is inserted.
 122     bool wasAnimated = isAnimated();
 123     setAnimated(false);
 124     expandAll();
 125     setAnimated(wasAnimated);
 126 }
 127
 128
 129 void NickView::showContextMenu(const QPoint &pos)
 130 {
 131     Q_UNUSED(pos);
 132
 133     QMenu contextMenu(this);
 134     GraphicalUi::contextMenuActionProvider()->addActions(&contextMenu, selectedIndexes());
 135     contextMenu.exec(QCursor::pos());
 136 }
 137
 138
 139 void NickView::startQuery(const QModelIndex &index)
 140 {
 141     if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::IrcUserItemType)
 142         return;
 143
 144     auto *ircUser = qobject_cast<IrcUser *>(index.data(NetworkModel::IrcUserRole).value<QObject *>());
 145     NetworkId networkId = index.data(NetworkModel::NetworkIdRole).value<NetworkId>();
 146     if (!ircUser || !networkId.isValid())
 147         return;
 148
 149     Client::bufferModel()->switchToOrStartQuery(networkId, ircUser->nick());
 150 }