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
  22 #include <kdirmodel.h>
  23 #include <QAbstractProxyModel>
  24 #include <QApplication>
  25 #include <QClipboard>
  26 #include <QDir>
  27
  28 DolphinController::DolphinController(DolphinView* dolphinView) :
  29     QObject(dolphinView),
  30     m_zoomLevel(0),
  31     m_openTab(false),
  32     m_url(),
  33     m_dolphinView(dolphinView),
  34     m_itemView(0)
  35 {
  36 }
  37
  38 DolphinController::~DolphinController()
  39 {
  40 }
  41
  42 void DolphinController::setUrl(const KUrl& url)
  43 {
  44     if (m_url != url) {
  45         m_url = url;
  46         emit urlChanged(url);
  47     }
  48 }
  49
  50 void DolphinController::setItemView(QAbstractItemView* view)
  51 {
  52     if (m_itemView != 0) {
  53         disconnect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  54                    this, SLOT(updateOpenTabState()));
  55     }
  56
  57     m_itemView = view;
  58
  59     if (m_itemView != 0) {
  60         m_zoomLevel = zoomLevelForIconSize(m_itemView->iconSize());
  61
  62         // TODO: this is a workaround until  Qt-issue 176832 has been fixed
  63         connect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  64                 this, SLOT(updateOpenTabState()));
  65     }
  66 }
  67
  68 void DolphinController::triggerUrlChangeRequest(const KUrl& url)
  69 {
  70     if (m_url != url) {
  71         emit requestUrlChange(url);
  72     }
  73 }
  74
  75 void DolphinController::triggerContextMenuRequest(const QPoint& pos)
  76 {
  77     emit activated();
  78     emit requestContextMenu(pos);
  79 }
  80
  81 void DolphinController::requestActivation()
  82 {
  83     emit activated();
  84 }
  85
  86 void DolphinController::indicateDroppedUrls(const KUrl::List& urls,
  87                                             const KUrl& destPath,
  88                                             const KFileItem& destItem)
  89 {
  90     emit urlsDropped(urls, destPath, destItem);
  91 }
  92
  93
  94 void DolphinController::indicateSortingChange(DolphinView::Sorting sorting)
  95 {
  96     emit sortingChanged(sorting);
  97 }
  98
  99 void DolphinController::indicateSortOrderChange(Qt::SortOrder order)
 100 {
 101     emit sortOrderChanged(order);
 102 }
 103
 104 void DolphinController::indicateAdditionalInfoChange(const KFileItemDelegate::InformationList& info)
 105 {
 106     emit additionalInfoChanged(info);
 107 }
 108
 109 void DolphinController::indicateActivationChange(bool active)
 110 {
 111     emit activationChanged(active);
 112 }
 113
 114 void DolphinController::setZoomLevel(int level)
 115 {
 116     Q_ASSERT(level >= zoomLevelMinimum());
 117     Q_ASSERT(level <= zoomLevelMaximum());
 118     if (level != m_zoomLevel) {
 119         m_zoomLevel = level;
 120         emit zoomLevelChanged(m_zoomLevel);
 121     }
 122 }
 123
 124 int DolphinController::iconSizeForZoomLevel(int level)
 125 {
 126     int size = KIconLoader::SizeMedium;
 127     switch (level) {
 128     case 0: size = KIconLoader::SizeSmall; break;
 129     case 1: size = KIconLoader::SizeSmallMedium; break;
 130     case 2: size = KIconLoader::SizeMedium; break;
 131     case 3: size = KIconLoader::SizeLarge; break;
 132     case 4: size = KIconLoader::SizeHuge; break;
 133     case 5: size = KIconLoader::SizeEnormous; break;
 134     case 6: size = KIconLoader::SizeEnormous * 3 / 2; break;
 135     case 7: size = KIconLoader::SizeEnormous * 2; break;
 136     default: Q_ASSERT(false); break;
 137     }
 138     return size;
 139 }
 140
 141 int DolphinController::zoomLevelForIconSize(const QSize& size)
 142 {
 143     int level = 0;
 144     switch (size.height()) {
 145     case KIconLoader::SizeSmall:            level = 0; break;
 146     case KIconLoader::SizeSmallMedium:      level = 1; break;
 147     case KIconLoader::SizeMedium:           level = 2; break;
 148     case KIconLoader::SizeLarge:            level = 3; break;
 149     case KIconLoader::SizeHuge:             level = 4; break;
 150     case KIconLoader::SizeEnormous:         level = 5; break;
 151     case KIconLoader::SizeEnormous * 3 / 2: level = 6; break;
 152     case KIconLoader::SizeEnormous * 2:     level = 7; break;
 153     default: Q_ASSERT(false);               level = 3; break;
 154     }
 155     return level;
 156 }
 157
 158 void DolphinController::handleKeyPressEvent(QKeyEvent* event)
 159 {
 160     Q_ASSERT(m_itemView != 0);
 161
 162     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 163     const QModelIndex currentIndex = selModel->currentIndex();
 164     const bool trigger = currentIndex.isValid()
 165                          && (event->key() == Qt::Key_Return)
 166                          && (selModel->selectedIndexes().count() > 0);
 167     if (trigger) {
 168         const QModelIndexList indexList = selModel->selectedIndexes();
 169         foreach (const QModelIndex& index, indexList) {
 170             triggerItem(index);
 171         }
 172     }
 173 }
 174
 175 void DolphinController::replaceUrlByClipboard()
 176 {
 177     const QClipboard* clipboard = QApplication::clipboard();
 178     QString text;
 179     if (clipboard->mimeData(QClipboard::Selection)->hasText()) {
 180         text = clipboard->mimeData(QClipboard::Selection)->text();
 181     } else if (clipboard->mimeData(QClipboard::Clipboard)->hasText()) {
 182         text = clipboard->mimeData(QClipboard::Clipboard)->text();
 183     }
 184     if (!text.isEmpty() && QDir::isAbsolutePath(text)) {
 185         m_dolphinView->setUrl(KUrl(text));
 186     }
 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     const bool openTab = m_openTab;
 202     m_openTab = false;
 203
 204     const KFileItem item = itemForIndex(index);
 205     if (index.isValid() && (index.column() == KDirModel::Name)) {
 206         if (openTab && (item.isDir() || m_dolphinView->isTabsForFilesEnabled())) {
 207             emit tabRequested(item.url());
 208         } else {
 209             emit itemTriggered(item);
 210         }
 211     } else {
 212         m_itemView->clearSelection();
 213         if (!openTab) {
 214             emit itemEntered(KFileItem());
 215         }
 216     }
 217 }
 218
 219 void DolphinController::emitItemEntered(const QModelIndex& index)
 220 {
 221     KFileItem item = itemForIndex(index);
 222     if (!item.isNull()) {
 223         emit itemEntered(item);
 224     }
 225 }
 226
 227 void DolphinController::emitViewportEntered()
 228 {
 229     emit viewportEntered();
 230 }
 231
 232 void DolphinController::updateOpenTabState()
 233 {
 234     m_openTab = QApplication::mouseButtons() & Qt::MidButton;
 235 }
 236
 237 #include "dolphincontroller.moc"