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 #include "zoomlevelinfo.h"
  22
  23 #include <kdirmodel.h>
  24 #include <QAbstractProxyModel>
  25 #include <QApplication>
  26 #include <QClipboard>
  27 #include <QDir>
  28
  29 Qt::MouseButtons DolphinController::m_mouseButtons = Qt::NoButton;
  30
  31 DolphinController::DolphinController(DolphinView* dolphinView) :
  32     QObject(dolphinView),
  33     m_zoomLevel(0),
  34     m_nameFilter(),
  35     m_url(),
  36     m_dolphinView(dolphinView),
  37     m_itemView(0),
  38     m_versionControlActions()
  39 {
  40 }
  41
  42 DolphinController::~DolphinController()
  43 {
  44 }
  45
  46 void DolphinController::setUrl(const KUrl& url)
  47 {
  48     if (m_url != url) {
  49         m_url = url;
  50         emit cancelPreviews();
  51         emit urlChanged(url);
  52     }
  53 }
  54
  55 void DolphinController::redirectToUrl(const KUrl& url)
  56 {
  57     m_url = url;
  58 }
  59
  60 void DolphinController::setItemView(QAbstractItemView* view)
  61 {
  62     if (m_itemView != 0) {
  63         disconnect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  64                    this, SLOT(updateMouseButtonState()));
  65     }
  66
  67     m_itemView = view;
  68
  69     if (m_itemView != 0) {
  70         m_zoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_itemView->iconSize());
  71
  72         // TODO: this is a workaround until  Qt-issue 176832 has been fixed
  73         connect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  74                 this, SLOT(updateMouseButtonState()));
  75     }
  76 }
  77
  78 void DolphinController::triggerContextMenuRequest(const QPoint& pos,
  79                                                   const QList<QAction*>& customActions)
  80 {
  81     emit activated();
  82     emit requestContextMenu(pos, customActions);
  83 }
  84
  85 void DolphinController::requestActivation()
  86 {
  87     emit activated();
  88 }
  89
  90 void DolphinController::indicateDroppedUrls(const KFileItem& destItem,
  91                                             const KUrl& destPath,
  92                                             QDropEvent* event)
  93 {
  94     emit urlsDropped(destItem, destPath, event);
  95 }
  96
  97
  98 void DolphinController::indicateSortingChange(DolphinView::Sorting sorting)
  99 {
 100     emit sortingChanged(sorting);
 101 }
 102
 103 void DolphinController::indicateSortOrderChange(Qt::SortOrder order)
 104 {
 105     emit sortOrderChanged(order);
 106 }
 107
 108 void DolphinController::indicateSortFoldersFirstChange(bool foldersFirst)
 109 {
 110     emit sortFoldersFirstChanged(foldersFirst);
 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::setNameFilter(const QString& nameFilter)
 124 {
 125     if (nameFilter != m_nameFilter) {
 126         m_nameFilter = nameFilter;
 127         emit nameFilterChanged(nameFilter);
 128     }
 129 }
 130
 131 QString DolphinController::nameFilter() const
 132 {
 133     return m_nameFilter;
 134 }
 135
 136 void DolphinController::setZoomLevel(int level)
 137 {
 138     Q_ASSERT(level >= ZoomLevelInfo::minimumLevel());
 139     Q_ASSERT(level <= ZoomLevelInfo::maximumLevel());
 140     if (level != m_zoomLevel) {
 141         m_zoomLevel = level;
 142         emit zoomLevelChanged(m_zoomLevel);
 143     }
 144 }
 145
 146 void DolphinController::setVersionControlActions(QList<QAction*> actions)
 147 {
 148     m_versionControlActions = actions;
 149 }
 150
 151 QList<QAction*> DolphinController::versionControlActions(const KFileItemList& items)
 152 {
 153     emit requestVersionControlActions(items);
 154     // All view implementations are connected with the signal requestVersionControlActions()
 155     // (see ViewExtensionFactory) and will invoke DolphinController::setVersionControlActions(),
 156     // so that the context dependent actions can be returned.
 157     return m_versionControlActions;
 158 }
 159
 160 void DolphinController::handleKeyPressEvent(QKeyEvent* event)
 161 {
 162     Q_ASSERT(m_itemView != 0);
 163
 164     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 165     const QModelIndex currentIndex = selModel->currentIndex();
 166     const bool trigger = currentIndex.isValid()
 167                          && ((event->key() == Qt::Key_Return) || (event->key() == Qt::Key_Enter))
 168                          && !selModel->selectedIndexes().isEmpty();
 169     if (!trigger) {
 170         return;
 171     }
 172
 173     // Emit the signal itemTriggered() for all selected files.
 174     // Several selected directories are opened in separate tabs,
 175     // one selected directory will get opened in the view.
 176     QModelIndexList dirQueue;
 177     const QModelIndexList indexList = selModel->selectedIndexes();
 178     foreach (const QModelIndex& index, indexList) {
 179         if (itemForIndex(index).isDir()) {
 180             dirQueue << index;
 181         } else {
 182             emit itemTriggered(itemForIndex(index));
 183         }
 184     }
 185
 186     if (dirQueue.length() == 1) {
 187         // open directory in the view
 188         emit itemTriggered(itemForIndex(dirQueue[0]));
 189     } else {
 190         // open directories in separate tabs
 191         foreach(const QModelIndex& dir, dirQueue) {
 192             emit tabRequested(itemForIndex(dir).url());
 193         }
 194     }
 195 }
 196
 197 void DolphinController::replaceUrlByClipboard()
 198 {
 199     const QClipboard* clipboard = QApplication::clipboard();
 200     QString text;
 201     if (clipboard->mimeData(QClipboard::Selection)->hasText()) {
 202         text = clipboard->mimeData(QClipboard::Selection)->text();
 203     } else if (clipboard->mimeData(QClipboard::Clipboard)->hasText()) {
 204         text = clipboard->mimeData(QClipboard::Clipboard)->text();
 205     }
 206     if (!text.isEmpty() && QDir::isAbsolutePath(text)) {
 207         m_dolphinView->setUrl(KUrl(text));
 208     }
 209 }
 210
 211 void DolphinController::emitHideToolTip()
 212 {
 213     emit hideToolTip();
 214 }
 215
 216 void DolphinController::emitItemTriggered(const KFileItem& item)
 217 {
 218     emit itemTriggered(item);
 219 }
 220
 221 KFileItem DolphinController::itemForIndex(const QModelIndex& index) const
 222 {
 223     Q_ASSERT(m_itemView != 0);
 224
 225     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_itemView->model());
 226     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 227     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 228     return dirModel->itemForIndex(dirIndex);
 229 }
 230
 231 void DolphinController::triggerItem(const QModelIndex& index)
 232 {
 233     if (m_mouseButtons & Qt::LeftButton) {
 234         const KFileItem item = itemForIndex(index);
 235         if (index.isValid() && (index.column() == KDirModel::Name)) {
 236             emit itemTriggered(item);
 237         } else {
 238             m_itemView->clearSelection();
 239             emit itemEntered(KFileItem());
 240         }
 241     }
 242 }
 243
 244 void DolphinController::requestTab(const QModelIndex& index)
 245 {
 246     if (m_mouseButtons & Qt::MidButton) {
 247         const KFileItem item = itemForIndex(index);
 248         const bool validRequest = index.isValid() &&
 249                                   (index.column() == KDirModel::Name) &&
 250                                   (item.isDir() || m_dolphinView->isTabsForFilesEnabled());
 251         if (validRequest) {
 252             emit tabRequested(item.url());
 253         }
 254     }
 255 }
 256
 257 void DolphinController::emitItemEntered(const QModelIndex& index)
 258 {
 259     KFileItem item = itemForIndex(index);
 260     if (!item.isNull()) {
 261         emit itemEntered(item);
 262     }
 263 }
 264
 265 void DolphinController::emitViewportEntered()
 266 {
 267     emit viewportEntered();
 268 }
 269
 270 void DolphinController::updateMouseButtonState()
 271 {
 272     m_mouseButtons = QApplication::mouseButtons();
 273 }
 274
 275 #include "dolphincontroller.moc"