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 urlChanged(url);
  50     }
  51 }
  52
  53 void DolphinController::setItemView(QAbstractItemView* view)
  54 {
  55     if (m_itemView != 0) {
  56         disconnect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  57                    this, SLOT(updateMouseButtonState()));
  58     }
  59
  60     m_itemView = view;
  61
  62     if (m_itemView != 0) {
  63         m_zoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_itemView->iconSize());
  64
  65         // TODO: this is a workaround until  Qt-issue 176832 has been fixed
  66         connect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  67                 this, SLOT(updateMouseButtonState()));
  68     }
  69 }
  70
  71 void DolphinController::triggerUrlChangeRequest(const KUrl& url)
  72 {
  73     if (m_url != url) {
  74         emit requestUrlChange(url);
  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::handleKeyPressEvent(QKeyEvent* event)
 147 {
 148     Q_ASSERT(m_itemView != 0);
 149
 150     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 151     const QModelIndex currentIndex = selModel->currentIndex();
 152     const bool trigger = currentIndex.isValid()
 153                          && ((event->key() == Qt::Key_Return)
 154                             || (event->key() == Qt::Key_Enter))
 155                          && !selModel->selectedIndexes().isEmpty();
 156     if (trigger) {
 157         const QModelIndexList indexList = selModel->selectedIndexes();
 158         foreach (const QModelIndex& index, indexList) {
 159             emit itemTriggered(itemForIndex(index));
 160         }
 161     }
 162 }
 163
 164 void DolphinController::replaceUrlByClipboard()
 165 {
 166     const QClipboard* clipboard = QApplication::clipboard();
 167     QString text;
 168     if (clipboard->mimeData(QClipboard::Selection)->hasText()) {
 169         text = clipboard->mimeData(QClipboard::Selection)->text();
 170     } else if (clipboard->mimeData(QClipboard::Clipboard)->hasText()) {
 171         text = clipboard->mimeData(QClipboard::Clipboard)->text();
 172     }
 173     if (!text.isEmpty() && QDir::isAbsolutePath(text)) {
 174         m_dolphinView->setUrl(KUrl(text));
 175     }
 176 }
 177
 178 void DolphinController::emitHideToolTip()
 179 {
 180     emit hideToolTip();
 181 }
 182
 183 void DolphinController::emitItemTriggered(const KFileItem& item)
 184 {
 185     emit itemTriggered(item);
 186 }
 187
 188 KFileItem DolphinController::itemForIndex(const QModelIndex& index) const
 189 {
 190     Q_ASSERT(m_itemView != 0);
 191
 192     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_itemView->model());
 193     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 194     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 195     return dirModel->itemForIndex(dirIndex);
 196 }
 197
 198 void DolphinController::triggerItem(const QModelIndex& index)
 199 {
 200     if (m_mouseButtons & Qt::LeftButton) {
 201         const KFileItem item = itemForIndex(index);
 202         if (index.isValid() && (index.column() == KDirModel::Name)) {
 203             emit itemTriggered(item);
 204         } else {
 205             m_itemView->clearSelection();
 206             emit itemEntered(KFileItem());
 207         }
 208     }
 209 }
 210
 211 void DolphinController::requestTab(const QModelIndex& index)
 212 {
 213     if (m_mouseButtons & Qt::MidButton) {
 214         const KFileItem item = itemForIndex(index);
 215         const bool validRequest = index.isValid() &&
 216                                   (index.column() == KDirModel::Name) &&
 217                                   (item.isDir() || m_dolphinView->isTabsForFilesEnabled());
 218         if (validRequest) {
 219             emit tabRequested(item.url());
 220         }
 221     }
 222 }
 223
 224 void DolphinController::emitItemEntered(const QModelIndex& index)
 225 {
 226     KFileItem item = itemForIndex(index);
 227     if (!item.isNull()) {
 228         emit itemEntered(item);
 229     }
 230 }
 231
 232 void DolphinController::emitViewportEntered()
 233 {
 234     emit viewportEntered();
 235 }
 236
 237 void DolphinController::updateMouseButtonState()
 238 {
 239     m_mouseButtons = QApplication::mouseButtons();
 240 }
 241
 242 #include "dolphincontroller.moc"