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 #include <QClipboard>
  26 #include <QDir>
  27
  28 DolphinController::DolphinController(DolphinView* dolphinView) :
  29     QObject(dolphinView),
  30     m_zoomLevel(0),
  31     m_openTab(false),
  32     m_url(),
  33     m_dolphinView(dolphinView),
  34     m_itemView(0)
  35 {
  36 }
  37
  38 DolphinController::~DolphinController()
  39 {
  40 }
  41
  42 void DolphinController::setUrl(const KUrl& url)
  43 {
  44     if (m_url != url) {
  45         m_url = url;
  46         emit urlChanged(url);
  47     }
  48 }
  49
  50 void DolphinController::setItemView(QAbstractItemView* view)
  51 {
  52     if (m_itemView != 0) {
  53         disconnect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  54                    this, SLOT(updateOpenTabState()));
  55     }
  56
  57     m_itemView = view;
  58
  59     if (m_itemView != 0) {
  60         switch (m_itemView->iconSize().height()) {
  61         case KIconLoader::SizeSmallMedium:      m_zoomLevel = 0; break;
  62         case KIconLoader::SizeMedium:           m_zoomLevel = 1; break;
  63         case KIconLoader::SizeLarge:            m_zoomLevel = 2; break;
  64         case KIconLoader::SizeHuge:             m_zoomLevel = 3; break;
  65         case KIconLoader::SizeEnormous:         m_zoomLevel = 4; break;
  66         case KIconLoader::SizeEnormous * 3 / 2: m_zoomLevel = 5; break;
  67         case KIconLoader::SizeEnormous * 2:     m_zoomLevel = 6; break;
  68         default: Q_ASSERT(false);               m_zoomLevel = 2; break;
  69         }
  70
  71         // TODO: this is a workaround until  Qt-issue 176832 has been fixed
  72         connect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  73                 this, SLOT(updateOpenTabState()));
  74     }
  75 }
  76
  77 void DolphinController::triggerUrlChangeRequest(const KUrl& url)
  78 {
  79     if (m_url != url) {
  80         emit requestUrlChange(url);
  81     }
  82 }
  83
  84 void DolphinController::triggerContextMenuRequest(const QPoint& pos)
  85 {
  86     emit activated();
  87     emit requestContextMenu(pos);
  88 }
  89
  90 void DolphinController::requestActivation()
  91 {
  92     emit activated();
  93 }
  94
  95 void DolphinController::indicateDroppedUrls(const KUrl::List& urls,
  96                                             const KUrl& destPath,
  97                                             const KFileItem& destItem)
  98 {
  99     emit urlsDropped(urls, destPath, destItem);
 100 }
 101
 102
 103 void DolphinController::indicateSortingChange(DolphinView::Sorting sorting)
 104 {
 105     emit sortingChanged(sorting);
 106 }
 107
 108 void DolphinController::indicateSortOrderChange(Qt::SortOrder order)
 109 {
 110     emit sortOrderChanged(order);
 111 }
 112
 113 void DolphinController::indicateAdditionalInfoChange(const KFileItemDelegate::InformationList& info)
 114 {
 115     emit additionalInfoChanged(info);
 116 }
 117
 118 void DolphinController::indicateActivationChange(bool active)
 119 {
 120     emit activationChanged(active);
 121 }
 122
 123 void DolphinController::setZoomLevel(int level)
 124 {
 125     Q_ASSERT(level >= zoomLevelMinimum());
 126     Q_ASSERT(level <= zoomLevelMaximum());
 127     if (level != m_zoomLevel) {
 128         m_zoomLevel = level;
 129         emit zoomLevelChanged(m_zoomLevel);
 130     }
 131 }
 132
 133 int DolphinController::iconSizeForZoomLevel(int level)
 134 {
 135     int size = KIconLoader::SizeMedium;
 136     switch (level) {
 137     case 0: size = KIconLoader::SizeSmallMedium; break;
 138     case 1: size = KIconLoader::SizeMedium; break;
 139     case 2: size = KIconLoader::SizeLarge; break;
 140     case 3: size = KIconLoader::SizeHuge; break;
 141     case 4: size = KIconLoader::SizeEnormous; break;
 142     case 5: size = KIconLoader::SizeEnormous * 3 / 2; break;
 143     case 6: size = KIconLoader::SizeEnormous * 2; break;
 144     default: Q_ASSERT(false); break;
 145     }
 146     return size;
 147 }
 148
 149 void DolphinController::handleKeyPressEvent(QKeyEvent* event)
 150 {
 151     Q_ASSERT(m_itemView != 0);
 152
 153     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 154     const QModelIndex currentIndex = selModel->currentIndex();
 155     const bool trigger = currentIndex.isValid()
 156                          && (event->key() == Qt::Key_Return)
 157                          && (selModel->selectedIndexes().count() > 0);
 158     if (trigger) {
 159         const QModelIndexList indexList = selModel->selectedIndexes();
 160         foreach (const QModelIndex& index, indexList) {
 161             triggerItem(index);
 162         }
 163     }
 164 }
 165
 166 void DolphinController::replaceUrlByClipboard()
 167 {
 168     const QClipboard* clipboard = QApplication::clipboard();
 169     QString text;
 170     if (clipboard->mimeData(QClipboard::Selection)->hasText()) {
 171         text = clipboard->mimeData(QClipboard::Selection)->text();
 172     } else if (clipboard->mimeData(QClipboard::Clipboard)->hasText()) {
 173         text = clipboard->mimeData(QClipboard::Clipboard)->text();
 174     }
 175     if (!text.isEmpty() && QDir::isAbsolutePath(text)) {
 176         m_dolphinView->setUrl(KUrl(text));
 177     }
 178 }
 179
 180 KFileItem DolphinController::itemForIndex(const QModelIndex& index) const
 181 {
 182     Q_ASSERT(m_itemView != 0);
 183
 184     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_itemView->model());
 185     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 186     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 187     return dirModel->itemForIndex(dirIndex);
 188 }
 189
 190 void DolphinController::triggerItem(const QModelIndex& index)
 191 {
 192     const bool openTab = m_openTab;
 193     m_openTab = false;
 194
 195     const KFileItem item = itemForIndex(index);
 196     if (index.isValid() && (index.column() == KDirModel::Name)) {
 197         if (openTab && (item.isDir() || m_dolphinView->isTabsForFilesEnabled())) {
 198             emit tabRequested(item.url());
 199         } else {
 200             emit itemTriggered(item);
 201         }
 202     } else {
 203         m_itemView->clearSelection();
 204         if (!openTab) {
 205             emit itemEntered(KFileItem());
 206         }
 207     }
 208 }
 209
 210 void DolphinController::emitItemEntered(const QModelIndex& index)
 211 {
 212     KFileItem item = itemForIndex(index);
 213     if (!item.isNull()) {
 214         emit itemEntered(item);
 215     }
 216 }
 217
 218 void DolphinController::emitViewportEntered()
 219 {
 220     emit viewportEntered();
 221 }
 222
 223 void DolphinController::updateOpenTabState()
 224 {
 225     m_openTab = QApplication::mouseButtons() & Qt::MidButton;
 226 }
 227
 228 #include "dolphincontroller.moc"