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::triggerUrlChangeRequest(const KUrl& url)
  79 {
  80     if (m_url != url) {
  81         emit requestUrlChange(url);
  82     }
  83 }
  84
  85 void DolphinController::triggerContextMenuRequest(const QPoint& pos,
  86                                                   const QList<QAction*>& customActions)
  87 {
  88     emit activated();
  89     emit requestContextMenu(pos, customActions);
  90 }
  91
  92 void DolphinController::requestActivation()
  93 {
  94     emit activated();
  95 }
  96
  97 void DolphinController::indicateDroppedUrls(const KFileItem& destItem,
  98                                             const KUrl& destPath,
  99                                             QDropEvent* event)
 100 {
 101     emit urlsDropped(destItem, destPath, event);
 102 }
 103
 104
 105 void DolphinController::indicateSortingChange(DolphinView::Sorting sorting)
 106 {
 107     emit sortingChanged(sorting);
 108 }
 109
 110 void DolphinController::indicateSortOrderChange(Qt::SortOrder order)
 111 {
 112     emit sortOrderChanged(order);
 113 }
 114
 115 void DolphinController::indicateSortFoldersFirstChange(bool foldersFirst)
 116 {
 117     emit sortFoldersFirstChanged(foldersFirst);
 118 }
 119
 120 void DolphinController::indicateAdditionalInfoChange(const KFileItemDelegate::InformationList& info)
 121 {
 122     emit additionalInfoChanged(info);
 123 }
 124
 125 void DolphinController::indicateActivationChange(bool active)
 126 {
 127     emit activationChanged(active);
 128 }
 129
 130 void DolphinController::setNameFilter(const QString& nameFilter)
 131 {
 132     if (nameFilter != m_nameFilter) {
 133         m_nameFilter = nameFilter;
 134         emit nameFilterChanged(nameFilter);
 135     }
 136 }
 137
 138 QString DolphinController::nameFilter() const
 139 {
 140     return m_nameFilter;
 141 }
 142
 143 void DolphinController::setZoomLevel(int level)
 144 {
 145     Q_ASSERT(level >= ZoomLevelInfo::minimumLevel());
 146     Q_ASSERT(level <= ZoomLevelInfo::maximumLevel());
 147     if (level != m_zoomLevel) {
 148         m_zoomLevel = level;
 149         emit zoomLevelChanged(m_zoomLevel);
 150     }
 151 }
 152
 153 void DolphinController::setVersionControlActions(QList<QAction*> actions)
 154 {
 155     m_versionControlActions = actions;
 156 }
 157
 158 QList<QAction*> DolphinController::versionControlActions(const KFileItemList& items)
 159 {
 160     emit requestVersionControlActions(items);
 161     // All view implementations are connected with the signal requestVersionControlActions()
 162     // (see ViewExtensionFactory) and will invoke DolphinController::setVersionControlActions(),
 163     // so that the context dependent actions can be returned.
 164     return m_versionControlActions;
 165 }
 166
 167 void DolphinController::handleKeyPressEvent(QKeyEvent* event)
 168 {
 169     Q_ASSERT(m_itemView != 0);
 170
 171     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 172     const QModelIndex currentIndex = selModel->currentIndex();
 173     const bool trigger = currentIndex.isValid()
 174                          && ((event->key() == Qt::Key_Return)
 175                             || (event->key() == Qt::Key_Enter))
 176                          && !selModel->selectedIndexes().isEmpty();
 177     if (trigger) {
 178         const QModelIndexList indexList = selModel->selectedIndexes();
 179         foreach (const QModelIndex& index, indexList) {
 180             emit itemTriggered(itemForIndex(index));
 181         }
 182     }
 183 }
 184
 185 void DolphinController::replaceUrlByClipboard()
 186 {
 187     const QClipboard* clipboard = QApplication::clipboard();
 188     QString text;
 189     if (clipboard->mimeData(QClipboard::Selection)->hasText()) {
 190         text = clipboard->mimeData(QClipboard::Selection)->text();
 191     } else if (clipboard->mimeData(QClipboard::Clipboard)->hasText()) {
 192         text = clipboard->mimeData(QClipboard::Clipboard)->text();
 193     }
 194     if (!text.isEmpty() && QDir::isAbsolutePath(text)) {
 195         m_dolphinView->setUrl(KUrl(text));
 196     }
 197 }
 198
 199 void DolphinController::emitHideToolTip()
 200 {
 201     emit hideToolTip();
 202 }
 203
 204 void DolphinController::emitItemTriggered(const KFileItem& item)
 205 {
 206     emit itemTriggered(item);
 207 }
 208
 209 KFileItem DolphinController::itemForIndex(const QModelIndex& index) const
 210 {
 211     Q_ASSERT(m_itemView != 0);
 212
 213     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_itemView->model());
 214     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 215     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 216     return dirModel->itemForIndex(dirIndex);
 217 }
 218
 219 void DolphinController::triggerItem(const QModelIndex& index)
 220 {
 221     if (m_mouseButtons & Qt::LeftButton) {
 222         const KFileItem item = itemForIndex(index);
 223         if (index.isValid() && (index.column() == KDirModel::Name)) {
 224             emit itemTriggered(item);
 225         } else {
 226             m_itemView->clearSelection();
 227             emit itemEntered(KFileItem());
 228         }
 229     }
 230 }
 231
 232 void DolphinController::requestTab(const QModelIndex& index)
 233 {
 234     if (m_mouseButtons & Qt::MidButton) {
 235         const KFileItem item = itemForIndex(index);
 236         const bool validRequest = index.isValid() &&
 237                                   (index.column() == KDirModel::Name) &&
 238                                   (item.isDir() || m_dolphinView->isTabsForFilesEnabled());
 239         if (validRequest) {
 240             emit tabRequested(item.url());
 241         }
 242     }
 243 }
 244
 245 void DolphinController::emitItemEntered(const QModelIndex& index)
 246 {
 247     KFileItem item = itemForIndex(index);
 248     if (!item.isNull()) {
 249         emit itemEntered(item);
 250     }
 251 }
 252
 253 void DolphinController::emitViewportEntered()
 254 {
 255     emit viewportEntered();
 256 }
 257
 258 void DolphinController::emitSelectionChanged()
 259 {
 260     emit selectionChanged();
 261 }
 262
 263 void DolphinController::updateMouseButtonState()
 264 {
 265     m_mouseButtons = QApplication::mouseButtons();
 266 }
 267
 268 #include "dolphincontroller.moc"