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