apps/dolphin/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 DolphinController::DolphinController(DolphinView* dolphinView) :
  30     QObject(dolphinView),
  31     m_zoomLevel(0),
  32     m_mouseButtons(Qt::NoButton),
  33     m_url(),
  34     m_dolphinView(dolphinView),
  35     m_itemView(0)
  36 {
  37 }
  38
  39 DolphinController::~DolphinController()
  40 {
  41 }
  42
  43 void DolphinController::setUrl(const KUrl& url)
  44 {
  45     if (m_url != url) {
  46         m_url = url;
  47         emit urlChanged(url);
  48     }
  49 }
  50
  51 void DolphinController::setItemView(QAbstractItemView* view)
  52 {
  53     if (m_itemView != 0) {
  54         disconnect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  55                    this, SLOT(updateMouseButtonState()));
  56     }
  57
  58     m_itemView = view;
  59
  60     if (m_itemView != 0) {
  61         m_zoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_itemView->iconSize());
  62
  63         // TODO: this is a workaround until  Qt-issue 176832 has been fixed
  64         connect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  65                 this, SLOT(updateMouseButtonState()));
  66     }
  67 }
  68
  69 void DolphinController::triggerUrlChangeRequest(const KUrl& url)
  70 {
  71     if (m_url != url) {
  72         emit requestUrlChange(url);
  73     }
  74 }
  75
  76 void DolphinController::triggerContextMenuRequest(const QPoint& pos)
  77 {
  78     emit activated();
  79     emit requestContextMenu(pos);
  80 }
  81
  82 void DolphinController::requestActivation()
  83 {
  84     emit activated();
  85 }
  86
  87 void DolphinController::indicateDroppedUrls(const KFileItem& destItem,
  88                                             const KUrl& destPath,
  89                                             QDropEvent* event)
  90 {
  91     emit urlsDropped(destItem, destPath, event);
  92 }
  93
  94
  95 void DolphinController::indicateSortingChange(DolphinView::Sorting sorting)
  96 {
  97     emit sortingChanged(sorting);
  98 }
  99
 100 void DolphinController::indicateSortOrderChange(Qt::SortOrder order)
 101 {
 102     emit sortOrderChanged(order);
 103 }
 104
 105 void DolphinController::indicateAdditionalInfoChange(const KFileItemDelegate::InformationList& info)
 106 {
 107     emit additionalInfoChanged(info);
 108 }
 109
 110 void DolphinController::indicateActivationChange(bool active)
 111 {
 112     emit activationChanged(active);
 113 }
 114
 115 void DolphinController::setZoomLevel(int level)
 116 {
 117     Q_ASSERT(level >= ZoomLevelInfo::minimumLevel());
 118     Q_ASSERT(level <= ZoomLevelInfo::maximumLevel());
 119     if (level != m_zoomLevel) {
 120         m_zoomLevel = level;
 121         emit zoomLevelChanged(m_zoomLevel);
 122     }
 123 }
 124
 125 void DolphinController::handleKeyPressEvent(QKeyEvent* event)
 126 {
 127     Q_ASSERT(m_itemView != 0);
 128
 129     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 130     const QModelIndex currentIndex = selModel->currentIndex();
 131     const bool trigger = currentIndex.isValid()
 132                          && ((event->key() == Qt::Key_Return)
 133                             || (event->key() == Qt::Key_Enter))
 134                          && (selModel->selectedIndexes().count() > 0);
 135     if (trigger) {
 136         const QModelIndexList indexList = selModel->selectedIndexes();
 137         foreach (const QModelIndex& index, indexList) {
 138             emit itemTriggered(itemForIndex(index));
 139         }
 140     }
 141 }
 142
 143 void DolphinController::replaceUrlByClipboard()
 144 {
 145     const QClipboard* clipboard = QApplication::clipboard();
 146     QString text;
 147     if (clipboard->mimeData(QClipboard::Selection)->hasText()) {
 148         text = clipboard->mimeData(QClipboard::Selection)->text();
 149     } else if (clipboard->mimeData(QClipboard::Clipboard)->hasText()) {
 150         text = clipboard->mimeData(QClipboard::Clipboard)->text();
 151     }
 152     if (!text.isEmpty() && QDir::isAbsolutePath(text)) {
 153         m_dolphinView->setUrl(KUrl(text));
 154     }
 155 }
 156
 157 void DolphinController::emitHideToolTip()
 158 {
 159     emit hideToolTip();
 160 }
 161
 162 KFileItem DolphinController::itemForIndex(const QModelIndex& index) const
 163 {
 164     Q_ASSERT(m_itemView != 0);
 165
 166     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_itemView->model());
 167     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 168     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 169     return dirModel->itemForIndex(dirIndex);
 170 }
 171
 172 void DolphinController::triggerItem(const QModelIndex& index)
 173 {
 174     if (m_mouseButtons & Qt::LeftButton) {
 175         const KFileItem item = itemForIndex(index);
 176         if (index.isValid() && (index.column() == KDirModel::Name)) {
 177             emit itemTriggered(item);
 178         } else {
 179             m_itemView->clearSelection();
 180             emit itemEntered(KFileItem());
 181         }
 182     }
 183 }
 184
 185 void DolphinController::requestTab(const QModelIndex& index)
 186 {
 187     if (m_mouseButtons & Qt::MidButton) {
 188         const KFileItem item = itemForIndex(index);
 189         const bool validRequest = index.isValid() &&
 190                                   (index.column() == KDirModel::Name) &&
 191                                   (item.isDir() || m_dolphinView->isTabsForFilesEnabled());
 192         if (validRequest) {
 193             emit tabRequested(item.url());
 194         }
 195     }
 196 }
 197
 198 void DolphinController::emitItemEntered(const QModelIndex& index)
 199 {
 200     KFileItem item = itemForIndex(index);
 201     if (!item.isNull()) {
 202         emit itemEntered(item);
 203     }
 204 }
 205
 206 void DolphinController::emitViewportEntered()
 207 {
 208     emit viewportEntered();
 209 }
 210
 211 void DolphinController::updateMouseButtonState()
 212 {
 213     m_mouseButtons = QApplication::mouseButtons();
 214 }
 215
 216 #include "dolphincontroller.moc"