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 {
  39 }
  40
  41 DolphinController::~DolphinController()
  42 {
  43 }
  44
  45 void DolphinController::setUrl(const KUrl& url)
  46 {
  47     if (m_url != url) {
  48         m_url = url;
  49         emit cancelPreviews();
  50         emit urlChanged(url);
  51     }
  52 }
  53
  54 void DolphinController::setItemView(QAbstractItemView* view)
  55 {
  56     if (m_itemView != 0) {
  57         disconnect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  58                    this, SLOT(updateMouseButtonState()));
  59     }
  60
  61     m_itemView = view;
  62
  63     if (m_itemView != 0) {
  64         m_zoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_itemView->iconSize());
  65
  66         // TODO: this is a workaround until  Qt-issue 176832 has been fixed
  67         connect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  68                 this, SLOT(updateMouseButtonState()));
  69     }
  70 }
  71
  72 void DolphinController::triggerUrlChangeRequest(const KUrl& url)
  73 {
  74     if (m_url != url) {
  75         emit requestUrlChange(url);
  76     }
  77 }
  78
  79 void DolphinController::triggerContextMenuRequest(const QPoint& pos,
  80                                                   const QList<QAction*>& customActions)
  81 {
  82     emit activated();
  83     emit requestContextMenu(pos, customActions);
  84 }
  85
  86 void DolphinController::requestActivation()
  87 {
  88     emit activated();
  89 }
  90
  91 void DolphinController::indicateDroppedUrls(const KFileItem& destItem,
  92                                             const KUrl& destPath,
  93                                             QDropEvent* event)
  94 {
  95     emit urlsDropped(destItem, destPath, event);
  96 }
  97
  98
  99 void DolphinController::indicateSortingChange(DolphinView::Sorting sorting)
 100 {
 101     emit sortingChanged(sorting);
 102 }
 103
 104 void DolphinController::indicateSortOrderChange(Qt::SortOrder order)
 105 {
 106     emit sortOrderChanged(order);
 107 }
 108
 109 void DolphinController::indicateSortFoldersFirstChange(bool foldersFirst)
 110 {
 111     emit sortFoldersFirstChanged(foldersFirst);
 112 }
 113
 114 void DolphinController::indicateAdditionalInfoChange(const KFileItemDelegate::InformationList& info)
 115 {
 116     emit additionalInfoChanged(info);
 117 }
 118
 119 void DolphinController::indicateActivationChange(bool active)
 120 {
 121     emit activationChanged(active);
 122 }
 123
 124 void DolphinController::setNameFilter(const QString& nameFilter)
 125 {
 126     if (nameFilter != m_nameFilter) {
 127         m_nameFilter = nameFilter;
 128         emit nameFilterChanged(nameFilter);
 129     }
 130 }
 131
 132 QString DolphinController::nameFilter() const
 133 {
 134     return m_nameFilter;
 135 }
 136
 137 void DolphinController::setZoomLevel(int level)
 138 {
 139     Q_ASSERT(level >= ZoomLevelInfo::minimumLevel());
 140     Q_ASSERT(level <= ZoomLevelInfo::maximumLevel());
 141     if (level != m_zoomLevel) {
 142         m_zoomLevel = level;
 143         emit zoomLevelChanged(m_zoomLevel);
 144     }
 145 }
 146
 147 void DolphinController::handleKeyPressEvent(QKeyEvent* event)
 148 {
 149     Q_ASSERT(m_itemView != 0);
 150
 151     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 152     const QModelIndex currentIndex = selModel->currentIndex();
 153     const bool trigger = currentIndex.isValid()
 154                          && ((event->key() == Qt::Key_Return)
 155                             || (event->key() == Qt::Key_Enter))
 156                          && !selModel->selectedIndexes().isEmpty();
 157     if (trigger) {
 158         const QModelIndexList indexList = selModel->selectedIndexes();
 159         foreach (const QModelIndex& index, indexList) {
 160             emit itemTriggered(itemForIndex(index));
 161         }
 162     }
 163 }
 164
 165 void DolphinController::replaceUrlByClipboard()
 166 {
 167     const QClipboard* clipboard = QApplication::clipboard();
 168     QString text;
 169     if (clipboard->mimeData(QClipboard::Selection)->hasText()) {
 170         text = clipboard->mimeData(QClipboard::Selection)->text();
 171     } else if (clipboard->mimeData(QClipboard::Clipboard)->hasText()) {
 172         text = clipboard->mimeData(QClipboard::Clipboard)->text();
 173     }
 174     if (!text.isEmpty() && QDir::isAbsolutePath(text)) {
 175         m_dolphinView->setUrl(KUrl(text));
 176     }
 177 }
 178
 179 void DolphinController::emitHideToolTip()
 180 {
 181     emit hideToolTip();
 182 }
 183
 184 void DolphinController::emitItemTriggered(const KFileItem& item)
 185 {
 186     emit itemTriggered(item);
 187 }
 188
 189 KFileItem DolphinController::itemForIndex(const QModelIndex& index) const
 190 {
 191     Q_ASSERT(m_itemView != 0);
 192
 193     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_itemView->model());
 194     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 195     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 196     return dirModel->itemForIndex(dirIndex);
 197 }
 198
 199 void DolphinController::triggerItem(const QModelIndex& index)
 200 {
 201     if (m_mouseButtons & Qt::LeftButton) {
 202         const KFileItem item = itemForIndex(index);
 203         if (index.isValid() && (index.column() == KDirModel::Name)) {
 204             emit itemTriggered(item);
 205         } else {
 206             m_itemView->clearSelection();
 207             emit itemEntered(KFileItem());
 208         }
 209     }
 210 }
 211
 212 void DolphinController::requestTab(const QModelIndex& index)
 213 {
 214     if (m_mouseButtons & Qt::MidButton) {
 215         const KFileItem item = itemForIndex(index);
 216         const bool validRequest = index.isValid() &&
 217                                   (index.column() == KDirModel::Name) &&
 218                                   (item.isDir() || m_dolphinView->isTabsForFilesEnabled());
 219         if (validRequest) {
 220             emit tabRequested(item.url());
 221         }
 222     }
 223 }
 224
 225 void DolphinController::emitItemEntered(const QModelIndex& index)
 226 {
 227     KFileItem item = itemForIndex(index);
 228     if (!item.isNull()) {
 229         emit itemEntered(item);
 230     }
 231 }
 232
 233 void DolphinController::emitViewportEntered()
 234 {
 235     emit viewportEntered();
 236 }
 237
 238 void DolphinController::updateMouseButtonState()
 239 {
 240     m_mouseButtons = QApplication::mouseButtons();
 241 }
 242
 243 #include "dolphincontroller.moc"