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                                                   const QList<QAction*>& customActions)
  79 {
  80     emit activated();
  81     emit requestContextMenu(pos, customActions);
  82 }
  83
  84 void DolphinController::requestActivation()
  85 {
  86     emit activated();
  87 }
  88
  89 void DolphinController::indicateDroppedUrls(const KFileItem& destItem,
  90                                             const KUrl& destPath,
  91                                             QDropEvent* event)
  92 {
  93     emit urlsDropped(destItem, destPath, event);
  94 }
  95
  96
  97 void DolphinController::indicateSortingChange(DolphinView::Sorting sorting)
  98 {
  99     emit sortingChanged(sorting);
 100 }
 101
 102 void DolphinController::indicateSortOrderChange(Qt::SortOrder order)
 103 {
 104     emit sortOrderChanged(order);
 105 }
 106
 107 void DolphinController::indicateSortFoldersFirstChange(bool foldersFirst)
 108 {
 109     emit sortFoldersFirstChanged(foldersFirst);
 110 }
 111
 112 void DolphinController::indicateAdditionalInfoChange(const KFileItemDelegate::InformationList& info)
 113 {
 114     emit additionalInfoChanged(info);
 115 }
 116
 117 void DolphinController::indicateActivationChange(bool active)
 118 {
 119     emit activationChanged(active);
 120 }
 121
 122 void DolphinController::setZoomLevel(int level)
 123 {
 124     Q_ASSERT(level >= ZoomLevelInfo::minimumLevel());
 125     Q_ASSERT(level <= ZoomLevelInfo::maximumLevel());
 126     if (level != m_zoomLevel) {
 127         m_zoomLevel = level;
 128         emit zoomLevelChanged(m_zoomLevel);
 129     }
 130 }
 131
 132 void DolphinController::handleKeyPressEvent(QKeyEvent* event)
 133 {
 134     Q_ASSERT(m_itemView != 0);
 135
 136     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 137     const QModelIndex currentIndex = selModel->currentIndex();
 138     const bool trigger = currentIndex.isValid()
 139                          && ((event->key() == Qt::Key_Return)
 140                             || (event->key() == Qt::Key_Enter))
 141                          && (selModel->selectedIndexes().count() > 0);
 142     if (trigger) {
 143         const QModelIndexList indexList = selModel->selectedIndexes();
 144         foreach (const QModelIndex& index, indexList) {
 145             emit itemTriggered(itemForIndex(index));
 146         }
 147     }
 148 }
 149
 150 void DolphinController::replaceUrlByClipboard()
 151 {
 152     const QClipboard* clipboard = QApplication::clipboard();
 153     QString text;
 154     if (clipboard->mimeData(QClipboard::Selection)->hasText()) {
 155         text = clipboard->mimeData(QClipboard::Selection)->text();
 156     } else if (clipboard->mimeData(QClipboard::Clipboard)->hasText()) {
 157         text = clipboard->mimeData(QClipboard::Clipboard)->text();
 158     }
 159     if (!text.isEmpty() && QDir::isAbsolutePath(text)) {
 160         m_dolphinView->setUrl(KUrl(text));
 161     }
 162 }
 163
 164 void DolphinController::emitHideToolTip()
 165 {
 166     emit hideToolTip();
 167 }
 168
 169 void DolphinController::emitItemTriggered(const KFileItem& item)
 170 {
 171     emit itemTriggered(item);
 172 }
 173
 174 KFileItem DolphinController::itemForIndex(const QModelIndex& index) const
 175 {
 176     Q_ASSERT(m_itemView != 0);
 177
 178     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_itemView->model());
 179     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 180     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 181     return dirModel->itemForIndex(dirIndex);
 182 }
 183
 184 void DolphinController::triggerItem(const QModelIndex& index)
 185 {
 186     if (m_mouseButtons & Qt::LeftButton) {
 187         const KFileItem item = itemForIndex(index);
 188         if (index.isValid() && (index.column() == KDirModel::Name)) {
 189             emit itemTriggered(item);
 190         } else {
 191             m_itemView->clearSelection();
 192             emit itemEntered(KFileItem());
 193         }
 194     }
 195 }
 196
 197 void DolphinController::requestTab(const QModelIndex& index)
 198 {
 199     if (m_mouseButtons & Qt::MidButton) {
 200         const KFileItem item = itemForIndex(index);
 201         const bool validRequest = index.isValid() &&
 202                                   (index.column() == KDirModel::Name) &&
 203                                   (item.isDir() || m_dolphinView->isTabsForFilesEnabled());
 204         if (validRequest) {
 205             emit tabRequested(item.url());
 206         }
 207     }
 208 }
 209
 210 void DolphinController::emitItemEntered(const QModelIndex& index)
 211 {
 212     KFileItem item = itemForIndex(index);
 213     if (!item.isNull()) {
 214         emit itemEntered(item);
 215     }
 216 }
 217
 218 void DolphinController::emitViewportEntered()
 219 {
 220     emit viewportEntered();
 221 }
 222
 223 void DolphinController::updateMouseButtonState()
 224 {
 225     m_mouseButtons = QApplication::mouseButtons();
 226 }
 227
 228 #include "dolphincontroller.moc"