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::setItemView(QAbstractItemView* view)
  56 {
  57     if (m_itemView != 0) {
  58         disconnect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  59                    this, SLOT(updateMouseButtonState()));
  60     }
  61
  62     m_itemView = view;
  63
  64     if (m_itemView != 0) {
  65         m_zoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_itemView->iconSize());
  66
  67         // TODO: this is a workaround until  Qt-issue 176832 has been fixed
  68         connect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  69                 this, SLOT(updateMouseButtonState()));
  70     }
  71 }
  72
  73 void DolphinController::triggerUrlChangeRequest(const KUrl& url)
  74 {
  75     if (m_url != url) {
  76         emit requestUrlChange(url);
  77     }
  78 }
  79
  80 void DolphinController::triggerContextMenuRequest(const QPoint& pos,
  81                                                   const QList<QAction*>& customActions)
  82 {
  83     emit activated();
  84     emit requestContextMenu(pos, customActions);
  85 }
  86
  87 void DolphinController::requestActivation()
  88 {
  89     emit activated();
  90 }
  91
  92 void DolphinController::indicateDroppedUrls(const KFileItem& destItem,
  93                                             const KUrl& destPath,
  94                                             QDropEvent* event)
  95 {
  96     emit urlsDropped(destItem, destPath, event);
  97 }
  98
  99
 100 void DolphinController::indicateSortingChange(DolphinView::Sorting sorting)
 101 {
 102     emit sortingChanged(sorting);
 103 }
 104
 105 void DolphinController::indicateSortOrderChange(Qt::SortOrder order)
 106 {
 107     emit sortOrderChanged(order);
 108 }
 109
 110 void DolphinController::indicateSortFoldersFirstChange(bool foldersFirst)
 111 {
 112     emit sortFoldersFirstChanged(foldersFirst);
 113 }
 114
 115 void DolphinController::indicateAdditionalInfoChange(const KFileItemDelegate::InformationList& info)
 116 {
 117     emit additionalInfoChanged(info);
 118 }
 119
 120 void DolphinController::indicateActivationChange(bool active)
 121 {
 122     emit activationChanged(active);
 123 }
 124
 125 void DolphinController::setNameFilter(const QString& nameFilter)
 126 {
 127     if (nameFilter != m_nameFilter) {
 128         m_nameFilter = nameFilter;
 129         emit nameFilterChanged(nameFilter);
 130     }
 131 }
 132
 133 QString DolphinController::nameFilter() const
 134 {
 135     return m_nameFilter;
 136 }
 137
 138 void DolphinController::setZoomLevel(int level)
 139 {
 140     Q_ASSERT(level >= ZoomLevelInfo::minimumLevel());
 141     Q_ASSERT(level <= ZoomLevelInfo::maximumLevel());
 142     if (level != m_zoomLevel) {
 143         m_zoomLevel = level;
 144         emit zoomLevelChanged(m_zoomLevel);
 145     }
 146 }
 147
 148 void DolphinController::setVersionControlActions(QList<QAction*> actions)
 149 {
 150     m_versionControlActions = actions;
 151 }
 152
 153 QList<QAction*> DolphinController::versionControlActions(const KFileItemList& items)
 154 {
 155     emit requestVersionControlActions(items);
 156     // All view implementations are connected with the signal requestVersionControlActions()
 157     // (see ViewExtensionFactory) and will invoke DolphinController::setVersionControlActions(),
 158     // so that the context dependent actions can be returned.
 159     return m_versionControlActions;
 160 }
 161
 162 void DolphinController::handleKeyPressEvent(QKeyEvent* event)
 163 {
 164     Q_ASSERT(m_itemView != 0);
 165
 166     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 167     const QModelIndex currentIndex = selModel->currentIndex();
 168     const bool trigger = currentIndex.isValid()
 169                          && ((event->key() == Qt::Key_Return)
 170                             || (event->key() == Qt::Key_Enter))
 171                          && !selModel->selectedIndexes().isEmpty();
 172     if (trigger) {
 173         const QModelIndexList indexList = selModel->selectedIndexes();
 174         foreach (const QModelIndex& index, indexList) {
 175             emit itemTriggered(itemForIndex(index));
 176         }
 177     }
 178 }
 179
 180 void DolphinController::replaceUrlByClipboard()
 181 {
 182     const QClipboard* clipboard = QApplication::clipboard();
 183     QString text;
 184     if (clipboard->mimeData(QClipboard::Selection)->hasText()) {
 185         text = clipboard->mimeData(QClipboard::Selection)->text();
 186     } else if (clipboard->mimeData(QClipboard::Clipboard)->hasText()) {
 187         text = clipboard->mimeData(QClipboard::Clipboard)->text();
 188     }
 189     if (!text.isEmpty() && QDir::isAbsolutePath(text)) {
 190         m_dolphinView->setUrl(KUrl(text));
 191     }
 192 }
 193
 194 void DolphinController::emitHideToolTip()
 195 {
 196     emit hideToolTip();
 197 }
 198
 199 void DolphinController::emitItemTriggered(const KFileItem& item)
 200 {
 201     emit itemTriggered(item);
 202 }
 203
 204 KFileItem DolphinController::itemForIndex(const QModelIndex& index) const
 205 {
 206     Q_ASSERT(m_itemView != 0);
 207
 208     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_itemView->model());
 209     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 210     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 211     return dirModel->itemForIndex(dirIndex);
 212 }
 213
 214 void DolphinController::triggerItem(const QModelIndex& index)
 215 {
 216     if (m_mouseButtons & Qt::LeftButton) {
 217         const KFileItem item = itemForIndex(index);
 218         if (index.isValid() && (index.column() == KDirModel::Name)) {
 219             emit itemTriggered(item);
 220         } else {
 221             m_itemView->clearSelection();
 222             emit itemEntered(KFileItem());
 223         }
 224     }
 225 }
 226
 227 void DolphinController::requestTab(const QModelIndex& index)
 228 {
 229     if (m_mouseButtons & Qt::MidButton) {
 230         const KFileItem item = itemForIndex(index);
 231         const bool validRequest = index.isValid() &&
 232                                   (index.column() == KDirModel::Name) &&
 233                                   (item.isDir() || m_dolphinView->isTabsForFilesEnabled());
 234         if (validRequest) {
 235             emit tabRequested(item.url());
 236         }
 237     }
 238 }
 239
 240 void DolphinController::emitItemEntered(const QModelIndex& index)
 241 {
 242     KFileItem item = itemForIndex(index);
 243     if (!item.isNull()) {
 244         emit itemEntered(item);
 245     }
 246 }
 247
 248 void DolphinController::emitViewportEntered()
 249 {
 250     emit viewportEntered();
 251 }
 252
 253 void DolphinController::emitSelectionChanged()
 254 {
 255     emit selectionChanged();
 256 }
 257
 258 void DolphinController::updateMouseButtonState()
 259 {
 260     m_mouseButtons = QApplication::mouseButtons();
 261 }
 262
 263 #include "dolphincontroller.moc"