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_url(),
  35     m_dolphinView(dolphinView),
  36     m_itemView(0)
  37 {
  38 }
  39
  40 DolphinController::~DolphinController()
  41 {
  42 }
  43
  44 void DolphinController::setUrl(const KUrl& url)
  45 {
  46     if (m_url != url) {
  47         m_url = url;
  48         emit urlChanged(url);
  49     }
  50 }
  51
  52 void DolphinController::setItemView(QAbstractItemView* view)
  53 {
  54     if (m_itemView != 0) {
  55         disconnect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  56                    this, SLOT(updateMouseButtonState()));
  57     }
  58
  59     m_itemView = view;
  60
  61     if (m_itemView != 0) {
  62         m_zoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_itemView->iconSize());
  63
  64         // TODO: this is a workaround until  Qt-issue 176832 has been fixed
  65         connect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  66                 this, SLOT(updateMouseButtonState()));
  67     }
  68 }
  69
  70 void DolphinController::triggerUrlChangeRequest(const KUrl& url)
  71 {
  72     if (m_url != url) {
  73         emit requestUrlChange(url);
  74     }
  75 }
  76
  77 void DolphinController::triggerContextMenuRequest(const QPoint& pos)
  78 {
  79     emit activated();
  80     emit requestContextMenu(pos);
  81 }
  82
  83 void DolphinController::requestActivation()
  84 {
  85     emit activated();
  86 }
  87
  88 void DolphinController::indicateDroppedUrls(const KFileItem& destItem,
  89                                             const KUrl& destPath,
  90                                             QDropEvent* event)
  91 {
  92     emit urlsDropped(destItem, destPath, event);
  93 }
  94
  95
  96 void DolphinController::indicateSortingChange(DolphinView::Sorting sorting)
  97 {
  98     emit sortingChanged(sorting);
  99 }
 100
 101 void DolphinController::indicateSortOrderChange(Qt::SortOrder order)
 102 {
 103     emit sortOrderChanged(order);
 104 }
 105
 106 void DolphinController::indicateAdditionalInfoChange(const KFileItemDelegate::InformationList& info)
 107 {
 108     emit additionalInfoChanged(info);
 109 }
 110
 111 void DolphinController::indicateActivationChange(bool active)
 112 {
 113     emit activationChanged(active);
 114 }
 115
 116 void DolphinController::setZoomLevel(int level)
 117 {
 118     Q_ASSERT(level >= ZoomLevelInfo::minimumLevel());
 119     Q_ASSERT(level <= ZoomLevelInfo::maximumLevel());
 120     if (level != m_zoomLevel) {
 121         m_zoomLevel = level;
 122         emit zoomLevelChanged(m_zoomLevel);
 123     }
 124 }
 125
 126 void DolphinController::handleKeyPressEvent(QKeyEvent* event)
 127 {
 128     Q_ASSERT(m_itemView != 0);
 129
 130     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 131     const QModelIndex currentIndex = selModel->currentIndex();
 132
 133     if (currentIndex.isValid() && selModel->selectedIndexes().count() > 0) {
 134         const int key = event->key();
 135
 136         if ((key == Qt::Key_Return) || (key == Qt::Key_Enter) || (key == Qt::Key_Right)) {
 137
 138             const QModelIndexList indexList = selModel->selectedIndexes();
 139             const bool isColumnView = m_dolphinView->mode() == m_dolphinView->ColumnView;
 140
 141             if (key == Qt::Key_Right) {
 142                 if (isColumnView) {
 143                     // If it is the right arrow key and in the column view-only.
 144                     KFileItem curFileItem;
 145                     foreach(const QModelIndex& index, indexList) {
 146                         curFileItem = itemForIndex(index);
 147                         if (!curFileItem.isFile()) {
 148                             /* We want
 149                             *  to make sure that the selected item
 150                             *  is only a folder. If we did not have this check, it would be possible to use
 151                             *  the right arrow to open a file when in the column view */
 152                             emit itemTriggered(curFileItem);
 153                         }
 154                     }
 155                 }
 156             } else {
 157                 //Else it is Return or Enter keypress, so it is okay to perform the action of triggering, on files also.
 158                 foreach(const QModelIndex& index, indexList) {
 159                     emit itemTriggered(itemForIndex(index));
 160                 }
 161             }
 162         }
 163     }
 164 }
 165
 166 void DolphinController::replaceUrlByClipboard()
 167 {
 168     const QClipboard* clipboard = QApplication::clipboard();
 169     QString text;
 170     if (clipboard->mimeData(QClipboard::Selection)->hasText()) {
 171         text = clipboard->mimeData(QClipboard::Selection)->text();
 172     } else if (clipboard->mimeData(QClipboard::Clipboard)->hasText()) {
 173         text = clipboard->mimeData(QClipboard::Clipboard)->text();
 174     }
 175     if (!text.isEmpty() && QDir::isAbsolutePath(text)) {
 176         m_dolphinView->setUrl(KUrl(text));
 177     }
 178 }
 179
 180 void DolphinController::emitHideToolTip()
 181 {
 182     emit hideToolTip();
 183 }
 184
 185 KFileItem DolphinController::itemForIndex(const QModelIndex& index) const
 186 {
 187     Q_ASSERT(m_itemView != 0);
 188
 189     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_itemView->model());
 190     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 191     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 192     return dirModel->itemForIndex(dirIndex);
 193 }
 194
 195 void DolphinController::triggerItem(const QModelIndex& index)
 196 {
 197     if (m_mouseButtons & Qt::LeftButton) {
 198         const KFileItem item = itemForIndex(index);
 199         if (index.isValid() && (index.column() == KDirModel::Name)) {
 200             emit itemTriggered(item);
 201         } else {
 202             m_itemView->clearSelection();
 203             emit itemEntered(KFileItem());
 204         }
 205     }
 206 }
 207
 208 void DolphinController::requestTab(const QModelIndex& index)
 209 {
 210     if (m_mouseButtons & Qt::MidButton) {
 211         const KFileItem item = itemForIndex(index);
 212         const bool validRequest = index.isValid() &&
 213                                   (index.column() == KDirModel::Name) &&
 214                                   (item.isDir() || m_dolphinView->isTabsForFilesEnabled());
 215         if (validRequest) {
 216             emit tabRequested(item.url());
 217         }
 218     }
 219 }
 220
 221 void DolphinController::emitItemEntered(const QModelIndex& index)
 222 {
 223     KFileItem item = itemForIndex(index);
 224     if (!item.isNull()) {
 225         emit itemEntered(item);
 226     }
 227 }
 228
 229 void DolphinController::emitViewportEntered()
 230 {
 231     emit viewportEntered();
 232 }
 233
 234 void DolphinController::updateMouseButtonState()
 235 {
 236     m_mouseButtons = QApplication::mouseButtons();
 237 }
 238
 239 #include "dolphincontroller.moc"