src/dolphincontroller.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at)                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20 #include "dolphincontroller.h"
  21
  22 #include <kdirmodel.h>
  23 #include <QAbstractProxyModel>
  24 #include <QApplication>
  25
  26 DolphinController::DolphinController(DolphinView* dolphinView) :
  27     QObject(dolphinView),
  28     m_zoomInPossible(false),
  29     m_zoomOutPossible(false),
  30     m_openTab(false),
  31     m_url(),
  32     m_dolphinView(dolphinView),
  33     m_itemView(0)
  34 {
  35 }
  36
  37 DolphinController::~DolphinController()
  38 {
  39 }
  40
  41 void DolphinController::setUrl(const KUrl& url)
  42 {
  43     if (m_url != url) {
  44         m_url = url;
  45         emit urlChanged(url);
  46     }
  47 }
  48
  49 void DolphinController::setItemView(QAbstractItemView* view)
  50 {
  51     if (m_itemView != 0) {
  52         disconnect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  53                    this, SLOT(updateOpenTabState()));
  54     }
  55
  56     m_itemView = view;
  57
  58     // TODO: this is a workaround until  Qt-issue 176832 has been fixed
  59     connect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  60             this, SLOT(updateOpenTabState()));
  61 }
  62
  63 void DolphinController::triggerUrlChangeRequest(const KUrl& url)
  64 {
  65     if (m_url != url) {
  66         emit requestUrlChange(url);
  67     }
  68 }
  69
  70 void DolphinController::triggerContextMenuRequest(const QPoint& pos)
  71 {
  72     emit activated();
  73     emit requestContextMenu(pos);
  74 }
  75
  76 void DolphinController::requestActivation()
  77 {
  78     emit activated();
  79 }
  80
  81 void DolphinController::indicateDroppedUrls(const KUrl::List& urls,
  82                                             const KUrl& destPath,
  83                                             const KFileItem& destItem)
  84 {
  85     emit urlsDropped(urls, destPath, destItem);
  86 }
  87
  88
  89 void DolphinController::indicateSortingChange(DolphinView::Sorting sorting)
  90 {
  91     emit sortingChanged(sorting);
  92 }
  93
  94 void DolphinController::indicateSortOrderChange(Qt::SortOrder order)
  95 {
  96     emit sortOrderChanged(order);
  97 }
  98
  99 void DolphinController::indicateAdditionalInfoChange(const KFileItemDelegate::InformationList& info)
 100 {
 101     emit additionalInfoChanged(info);
 102 }
 103
 104 void DolphinController::indicateActivationChange(bool active)
 105 {
 106     emit activationChanged(active);
 107 }
 108
 109 void DolphinController::triggerZoomIn()
 110 {
 111     emit zoomIn();
 112 }
 113
 114 void DolphinController::triggerZoomOut()
 115 {
 116     emit zoomOut();
 117 }
 118
 119 void DolphinController::handleKeyPressEvent(QKeyEvent* event)
 120 {
 121     Q_ASSERT(m_itemView != 0);
 122
 123     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 124     const QModelIndex currentIndex = selModel->currentIndex();
 125     const bool trigger = currentIndex.isValid()
 126                          && (event->key() == Qt::Key_Return)
 127                          && (selModel->selectedIndexes().count() > 0);
 128     if (trigger) {
 129         const QModelIndexList indexList = selModel->selectedIndexes();
 130         foreach (const QModelIndex& index, indexList) {
 131             triggerItem(index);
 132         }
 133     }
 134 }
 135
 136 KFileItem DolphinController::itemForIndex(const QModelIndex& index) const
 137 {
 138     Q_ASSERT(m_itemView != 0);
 139
 140     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_itemView->model());
 141     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 142     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 143     return dirModel->itemForIndex(dirIndex);
 144 }
 145
 146 void DolphinController::triggerItem(const QModelIndex& index)
 147 {
 148     const bool openTab = m_openTab;
 149     m_openTab = false;
 150
 151     const KFileItem item = itemForIndex(index);
 152     if (index.isValid() && (index.column() == KDirModel::Name)) {
 153         if (openTab && (item.isDir() || m_dolphinView->isTabsForFilesEnabled())) {
 154             emit tabRequested(item.url());
 155         } else {
 156             emit itemTriggered(item);
 157         }
 158     } else {
 159         m_itemView->clearSelection();
 160         if (!openTab) {
 161             emit itemEntered(item);
 162         }
 163     }
 164 }
 165
 166 void DolphinController::emitItemEntered(const QModelIndex& index)
 167 {
 168     KFileItem item = itemForIndex(index);
 169     if (!item.isNull()) {
 170         emit itemEntered(item);
 171     }
 172 }
 173
 174 void DolphinController::emitViewportEntered()
 175 {
 176     emit viewportEntered();
 177 }
 178
 179 void DolphinController::updateOpenTabState()
 180 {
 181     m_openTab = QApplication::mouseButtons() & Qt::MidButton;
 182 }
 183
 184 #include "dolphincontroller.moc"