src/dolphindetailsview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz                                      *
   3  *   peter.penz@gmx.at                                                     *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphindetailsview.h"
  22
  23 #include "dolphinmodel.h"
  24 #include "dolphincontroller.h"
  25 #include "dolphinsettings.h"
  26 #include "dolphinsortfilterproxymodel.h"
  27 #include "draganddrophelper.h"
  28 #include "viewproperties.h"
  29
  30 #include "dolphin_detailsmodesettings.h"
  31
  32 #include <kdirmodel.h>
  33 #include <klocale.h>
  34 #include <kmenu.h>
  35
  36 #include <QAbstractProxyModel>
  37 #include <QAction>
  38 #include <QApplication>
  39 #include <QHeaderView>
  40 #include <QRubberBand>
  41 #include <QPainter>
  42 #include <QScrollBar>
  43
  44 DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
  45     QTreeView(parent),
  46     m_controller(controller),
  47     m_clearAdditionalInfo(false),
  48     m_dragging(false),
  49     m_showElasticBand(false),
  50     m_elasticBandOrigin(),
  51     m_elasticBandDestination()
  52 {
  53     Q_ASSERT(controller != 0);
  54
  55     setAcceptDrops(true);
  56     setRootIsDecorated(false);
  57     setSortingEnabled(true);
  58     setUniformRowHeights(true);
  59     setSelectionBehavior(SelectItems);
  60     setDragDropMode(QAbstractItemView::DragDrop);
  61     setDropIndicatorShown(false);
  62     setAlternatingRowColors(true);
  63
  64     setMouseTracking(true);
  65     viewport()->setAttribute(Qt::WA_Hover);
  66
  67     const ViewProperties props(controller->url());
  68     setSortIndicatorSection(props.sorting());
  69     setSortIndicatorOrder(props.sortOrder());
  70
  71     QHeaderView* headerView = header();
  72     connect(headerView, SIGNAL(sectionClicked(int)),
  73             this, SLOT(synchronizeSortingState(int)));
  74     headerView->setContextMenuPolicy(Qt::CustomContextMenu);
  75     connect(headerView, SIGNAL(customContextMenuRequested(const QPoint&)),
  76             this, SLOT(configureColumns(const QPoint&)));
  77
  78     connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
  79             this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
  80     connect(parent, SIGNAL(sortOrderChanged(Qt::SortOrder)),
  81             this, SLOT(setSortIndicatorOrder(Qt::SortOrder)));
  82
  83     // TODO: Connecting to the signal 'activated()' is not possible, as kstyle
  84     // does not forward the single vs. doubleclick to it yet (KDE 4.1?). Hence it is
  85     // necessary connecting the signal 'singleClick()' or 'doubleClick' and to handle the
  86     // RETURN-key in keyPressEvent().
  87     if (KGlobalSettings::singleClick()) {
  88         connect(this, SIGNAL(clicked(const QModelIndex&)),
  89                 this, SLOT(triggerItem(const QModelIndex&)));
  90     } else {
  91         connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
  92                 this, SLOT(triggerItem(const QModelIndex&)));
  93     }
  94     connect(this, SIGNAL(entered(const QModelIndex&)),
  95             this, SLOT(slotEntered(const QModelIndex&)));
  96     connect(this, SIGNAL(viewportEntered()),
  97             controller, SLOT(emitViewportEntered()));
  98     connect(controller, SIGNAL(zoomIn()),
  99             this, SLOT(zoomIn()));
 100     connect(controller, SIGNAL(zoomOut()),
 101             this, SLOT(zoomOut()));
 102     connect(controller->dolphinView(), SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 103             this, SLOT(updateColumnVisibility()));
 104
 105     // apply the details mode settings to the widget
 106     const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 107     Q_ASSERT(settings != 0);
 108
 109     m_viewOptions = QTreeView::viewOptions();
 110
 111     QFont font(settings->fontFamily(), settings->fontSize());
 112     font.setItalic(settings->italicFont());
 113     font.setBold(settings->boldFont());
 114     m_viewOptions.font = font;
 115     m_viewOptions.showDecorationSelected = true;
 116
 117 // TODO: Remove this check when 4.3.2 is released and KDE requires it... this
 118 //       check avoids a division by zero happening on versions before 4.3.1.
 119 //       Right now KDE in theory can be shipped with Qt 4.3.0 and above.
 120 //       ereslibre
 121 #if (QT_VERSION >= QT_VERSION_CHECK(4, 3, 2) || defined(QT_KDE_QT_COPY))
 122     setVerticalScrollMode(QTreeView::ScrollPerPixel);
 123     setHorizontalScrollMode(QTreeView::ScrollPerPixel);
 124 #endif
 125
 126     updateDecorationSize();
 127
 128     setFocus();
 129 }
 130
 131 DolphinDetailsView::~DolphinDetailsView()
 132 {
 133 }
 134
 135 bool DolphinDetailsView::event(QEvent* event)
 136 {
 137     if (event->type() == QEvent::Polish) {
 138         QHeaderView* headerView = header();
 139         headerView->setResizeMode(QHeaderView::Fixed);
 140         headerView->setMovable(false);
 141
 142         updateColumnVisibility();
 143
 144         hideColumn(DolphinModel::Rating);
 145         hideColumn(DolphinModel::Tags);
 146     }
 147 // TODO: Remove this check when 4.3.2 is released and KDE requires it... this
 148 //       check avoids a division by zero happening on versions before 4.3.1.
 149 //       Right now KDE in theory can be shipped with Qt 4.3.0 and above.
 150 //       ereslibre
 151 #if (QT_VERSION >= QT_VERSION_CHECK(4, 3, 2) || defined(QT_KDE_QT_COPY))
 152     else if (event->type() == QEvent::UpdateRequest) {
 153         // a wheel movement will scroll 4 items
 154         if (model()->rowCount() > 0) {
 155             verticalScrollBar()->setSingleStep((sizeHintForRow(0) / 3) * 4);
 156         }
 157     }
 158 #endif
 159
 160     return QTreeView::event(event);
 161 }
 162
 163 QStyleOptionViewItem DolphinDetailsView::viewOptions() const
 164 {
 165     return m_viewOptions;
 166 }
 167
 168 void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
 169 {
 170     QTreeView::contextMenuEvent(event);
 171     m_controller->triggerContextMenuRequest(event->pos());
 172 }
 173
 174 void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
 175 {
 176     m_controller->requestActivation();
 177
 178     QTreeView::mousePressEvent(event);
 179
 180     const QModelIndex index = indexAt(event->pos());
 181     if (!index.isValid() || (index.column() != DolphinModel::Name)) {
 182         const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 183         if (!(modifier & Qt::ShiftModifier) && !(modifier & Qt::ControlModifier)) {
 184             clearSelection();
 185         }
 186     }
 187
 188     if (event->button() == Qt::LeftButton) {
 189         m_showElasticBand = true;
 190
 191         const QPoint pos(contentsPos());
 192         m_elasticBandOrigin = event->pos();
 193         m_elasticBandOrigin.setX(m_elasticBandOrigin.x() + pos.x());
 194         m_elasticBandOrigin.setY(m_elasticBandOrigin.y() + pos.y());
 195         m_elasticBandDestination = event->pos();
 196     }
 197 }
 198
 199 void DolphinDetailsView::mouseMoveEvent(QMouseEvent* event)
 200 {
 201     QTreeView::mouseMoveEvent(event);
 202     if (m_showElasticBand) {
 203         updateElasticBand();
 204     }
 205 }
 206
 207 void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
 208 {
 209     QTreeView::mouseReleaseEvent(event);
 210     if (m_showElasticBand) {
 211         updateElasticBand();
 212         m_showElasticBand = false;
 213     }
 214 }
 215
 216 void DolphinDetailsView::startDrag(Qt::DropActions supportedActions)
 217 {
 218     DragAndDropHelper::startDrag(this, supportedActions);
 219 }
 220
 221 void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
 222 {
 223     if (event->mimeData()->hasUrls()) {
 224         event->acceptProposedAction();
 225     }
 226
 227     if (m_showElasticBand) {
 228         updateElasticBand();
 229         m_showElasticBand = false;
 230     }
 231     m_dragging = true;
 232 }
 233
 234 void DolphinDetailsView::dragLeaveEvent(QDragLeaveEvent* event)
 235 {
 236     QTreeView::dragLeaveEvent(event);
 237
 238     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
 239     m_dragging = false;
 240     setDirtyRegion(m_dropRect);
 241 }
 242
 243 void DolphinDetailsView::dragMoveEvent(QDragMoveEvent* event)
 244 {
 245     QTreeView::dragMoveEvent(event);
 246
 247     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
 248     setDirtyRegion(m_dropRect);
 249     const QModelIndex index = indexAt(event->pos());
 250     if (!index.isValid() || (index.column() != DolphinModel::Name)) {
 251         m_dragging = false;
 252     } else {
 253         m_dragging = true;
 254         const KFileItem item = itemForIndex(index);
 255         if (!item.isNull() && item.isDir()) {
 256             m_dropRect = visualRect(index);
 257         } else {
 258             m_dropRect.setSize(QSize()); // set as invalid
 259         }
 260         setDirtyRegion(m_dropRect);
 261     }
 262 }
 263
 264 void DolphinDetailsView::dropEvent(QDropEvent* event)
 265 {
 266     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
 267     if (!urls.isEmpty()) {
 268         event->acceptProposedAction();
 269         const QModelIndex index = indexAt(event->pos());
 270         KFileItem item;
 271         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 272             item = itemForIndex(index);
 273         }
 274         m_controller->indicateDroppedUrls(urls,
 275                                           m_controller->url(),
 276                                           item);
 277     }
 278     QTreeView::dropEvent(event);
 279     m_dragging = false;
 280 }
 281
 282 void DolphinDetailsView::paintEvent(QPaintEvent* event)
 283 {
 284     QTreeView::paintEvent(event);
 285     if (m_showElasticBand) {
 286         // The following code has been taken from QListView
 287         // and adapted to DolphinDetailsView.
 288         // (C) 1992-2007 Trolltech ASA
 289         QStyleOptionRubberBand opt;
 290         opt.initFrom(this);
 291         opt.shape = QRubberBand::Rectangle;
 292         opt.opaque = false;
 293         opt.rect = elasticBandRect();
 294
 295         QPainter painter(viewport());
 296         painter.save();
 297         style()->drawControl(QStyle::CE_RubberBand, &opt, &painter);
 298         painter.restore();
 299     }
 300
 301     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
 302     if (m_dragging) {
 303         const QBrush& brush = m_viewOptions.palette.brush(QPalette::Normal, QPalette::Highlight);
 304         DragAndDropHelper::drawHoverIndication(viewport(), m_dropRect, brush);
 305     }
 306 }
 307
 308 void DolphinDetailsView::keyPressEvent(QKeyEvent* event)
 309 {
 310     QTreeView::keyPressEvent(event);
 311
 312     const QItemSelectionModel* selModel = selectionModel();
 313     const QModelIndex currentIndex = selModel->currentIndex();
 314     const bool trigger = currentIndex.isValid()
 315                          && (event->key() == Qt::Key_Return)
 316                          && (selModel->selectedIndexes().count() <= 1);
 317     if (trigger) {
 318         triggerItem(currentIndex);
 319     }
 320 }
 321
 322 void DolphinDetailsView::resizeEvent(QResizeEvent* event)
 323 {
 324     QTreeView::resizeEvent(event);
 325     resizeColumns();
 326 }
 327
 328 void DolphinDetailsView::closeEvent(QCloseEvent* event)
 329 {
 330     if (m_clearAdditionalInfo) {
 331         disconnect(m_controller->dolphinView(), SIGNAL(additionalInfoChanged(const KFileItemDelegate::InformationList&)),
 332                 this, SLOT(updateColumnVisibility()));
 333
 334         KFileItemDelegate::InformationList info;
 335         info.append(KFileItemDelegate::NoInformation);
 336         m_controller->indicateAdditionalInfoChange(info);
 337         m_clearAdditionalInfo = false;
 338     }
 339     QTreeView::closeEvent(event);
 340 }
 341
 342 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 343 {
 344     QHeaderView* headerView = header();
 345     headerView->setSortIndicator(sorting, headerView->sortIndicatorOrder());
 346 }
 347
 348 void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
 349 {
 350     QHeaderView* headerView = header();
 351     headerView->setSortIndicator(headerView->sortIndicatorSection(), sortOrder);
 352 }
 353
 354 void DolphinDetailsView::synchronizeSortingState(int column)
 355 {
 356     // The sorting has already been changed in QTreeView if this slot is
 357     // invoked, but Dolphin is not informed about this.
 358     DolphinView::Sorting sorting = DolphinSortFilterProxyModel::sortingForColumn(column);
 359     const Qt::SortOrder sortOrder = header()->sortIndicatorOrder();
 360     m_controller->indicateSortingChange(sorting);
 361     m_controller->indicateSortOrderChange(sortOrder);
 362 }
 363
 364 void DolphinDetailsView::slotEntered(const QModelIndex& index)
 365 {
 366     const QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
 367     const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
 368     if (pos.x() < nameColumnWidth) {
 369         m_controller->emitItemEntered(itemForIndex(index));
 370     }
 371     else {
 372         m_controller->emitViewportEntered();
 373     }
 374 }
 375
 376 void DolphinDetailsView::updateElasticBand()
 377 {
 378     Q_ASSERT(m_showElasticBand);
 379     QRect dirtyRegion(elasticBandRect());
 380     m_elasticBandDestination = viewport()->mapFromGlobal(QCursor::pos());
 381     dirtyRegion = dirtyRegion.united(elasticBandRect());
 382     setDirtyRegion(dirtyRegion);
 383 }
 384
 385 QRect DolphinDetailsView::elasticBandRect() const
 386 {
 387     const QPoint pos(contentsPos());
 388     const QPoint topLeft(m_elasticBandOrigin.x() - pos.x(), m_elasticBandOrigin.y() - pos.y());
 389     return QRect(topLeft, m_elasticBandDestination).normalized();
 390 }
 391
 392 void DolphinDetailsView::zoomIn()
 393 {
 394     if (isZoomInPossible()) {
 395         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 396         switch (settings->iconSize()) {
 397         case KIconLoader::SizeSmall:  settings->setIconSize(KIconLoader::SizeMedium); break;
 398         case KIconLoader::SizeMedium: settings->setIconSize(KIconLoader::SizeLarge); break;
 399         default: Q_ASSERT(false); break;
 400         }
 401         updateDecorationSize();
 402     }
 403 }
 404
 405 void DolphinDetailsView::zoomOut()
 406 {
 407     if (isZoomOutPossible()) {
 408         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 409         switch (settings->iconSize()) {
 410         case KIconLoader::SizeLarge:  settings->setIconSize(KIconLoader::SizeMedium); break;
 411         case KIconLoader::SizeMedium: settings->setIconSize(KIconLoader::SizeSmall); break;
 412         default: Q_ASSERT(false); break;
 413         }
 414         updateDecorationSize();
 415     }
 416 }
 417
 418 void DolphinDetailsView::triggerItem(const QModelIndex& index)
 419 {
 420     const KFileItem item = itemForIndex(index);
 421     if (index.isValid() && (index.column() == KDirModel::Name)) {
 422         m_controller->triggerItem(item);
 423     } else {
 424         clearSelection();
 425         m_controller->emitItemEntered(item);
 426     }
 427 }
 428
 429 void DolphinDetailsView::configureColumns(const QPoint& pos)
 430 {
 431     KMenu popup(this);
 432     popup.addTitle(i18nc("@title:menu", "Columns"));
 433
 434     QHeaderView* headerView = header();
 435     for (int i = DolphinModel::Size; i <= DolphinModel::Type; ++i) {
 436         const int logicalIndex = headerView->logicalIndex(i);
 437         const QString text = model()->headerData(i, Qt::Horizontal).toString();
 438         QAction* action = popup.addAction(text);
 439         action->setCheckable(true);
 440         action->setChecked(!headerView->isSectionHidden(logicalIndex));
 441         action->setData(i);
 442     }
 443
 444     QAction* activatedAction = popup.exec(header()->mapToGlobal(pos));
 445     if (activatedAction != 0) {
 446         const bool show = activatedAction->isChecked();
 447         const int columnIndex = activatedAction->data().toInt();
 448
 449         KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
 450         const KFileItemDelegate::Information info = infoForColumn(columnIndex);
 451         if (show) {
 452             Q_ASSERT(!list.contains(info));
 453             list.append(info);
 454         } else {
 455             Q_ASSERT(list.contains(info));
 456             const int index = list.indexOf(info);
 457             list.removeAt(index);
 458         }
 459
 460         m_controller->indicateAdditionalInfoChange(list);
 461         setColumnHidden(columnIndex, !show);
 462     }
 463 }
 464
 465 void DolphinDetailsView::updateColumnVisibility()
 466 {
 467     KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
 468     const bool useDefaultColumns = !isVisible() &&
 469                                    (list.isEmpty() ||
 470                                     list.contains(KFileItemDelegate::NoInformation));
 471     if (useDefaultColumns) {
 472         // Using the details view without any additional information (-> additional column)
 473         // makes no sense and leads to a usability problem as no viewport area is available
 474         // anymore. Hence as fallback provide at least a size and date column.
 475         list.clear();
 476         list.append(KFileItemDelegate::Size);
 477         list.append(KFileItemDelegate::ModificationTime);
 478         m_controller->indicateAdditionalInfoChange(list);
 479         m_clearAdditionalInfo = true;
 480     }
 481
 482     for (int i = DolphinModel::Size; i <= DolphinModel::Type; ++i) {
 483         const KFileItemDelegate::Information info = infoForColumn(i);
 484         const bool hide = !list.contains(info);
 485         if (isColumnHidden(i) != hide) {
 486             setColumnHidden(i, hide);
 487             m_clearAdditionalInfo = false;
 488         }
 489     }
 490
 491     resizeColumns();
 492 }
 493
 494 bool DolphinDetailsView::isZoomInPossible() const
 495 {
 496     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 497     return settings->iconSize() < KIconLoader::SizeLarge;
 498 }
 499
 500 bool DolphinDetailsView::isZoomOutPossible() const
 501 {
 502     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 503     return settings->iconSize() > KIconLoader::SizeSmall;
 504 }
 505
 506 void DolphinDetailsView::updateDecorationSize()
 507 {
 508     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 509     const int iconSize = settings->iconSize();
 510     m_viewOptions.decorationSize = QSize(iconSize, iconSize);
 511
 512     m_controller->setZoomInPossible(isZoomInPossible());
 513     m_controller->setZoomOutPossible(isZoomOutPossible());
 514
 515     doItemsLayout();
 516 }
 517
 518 QPoint DolphinDetailsView::contentsPos() const
 519 {
 520     // implementation note: the horizonal position is ignored currently, as no
 521     // horizontal scrolling is done anyway during a selection
 522     const QScrollBar* scrollbar = verticalScrollBar();
 523     Q_ASSERT(scrollbar != 0);
 524
 525     const int maxHeight = maximumViewportSize().height();
 526     const int height = scrollbar->maximum() - scrollbar->minimum() + 1;
 527     const int visibleHeight = model()->rowCount() + 1 - height;
 528     if (visibleHeight <= 0) {
 529         return QPoint(0, 0);
 530     }
 531
 532     const int y = scrollbar->sliderPosition() * maxHeight / visibleHeight;
 533     return QPoint(0, y);
 534 }
 535
 536 KFileItem DolphinDetailsView::itemForIndex(const QModelIndex& index) const
 537 {
 538     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(model());
 539     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 540     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 541     return dirModel->itemForIndex(dirIndex);
 542 }
 543
 544 KFileItemDelegate::Information DolphinDetailsView::infoForColumn(int columnIndex) const
 545 {
 546     KFileItemDelegate::Information info = KFileItemDelegate::NoInformation;
 547
 548     switch (columnIndex) {
 549     case DolphinModel::Size:         info = KFileItemDelegate::Size; break;
 550     case DolphinModel::ModifiedTime: info = KFileItemDelegate::ModificationTime; break;
 551     case DolphinModel::Permissions:  info = KFileItemDelegate::Permissions; break;
 552     case DolphinModel::Owner:        info = KFileItemDelegate::Owner; break;
 553     case DolphinModel::Group:        info = KFileItemDelegate::OwnerAndGroup; break;
 554     case DolphinModel::Type:         info = KFileItemDelegate::FriendlyMimeType; break;
 555     default: break;
 556     }
 557
 558     return info;
 559 }
 560
 561 void DolphinDetailsView::resizeColumns()
 562 {
 563     // Using the resize mode QHeaderView::ResizeToContents is too slow (it takes
 564     // around 3 seconds for each (!) resize operation when having > 10000 items).
 565     // This gets a problem especially when opening large directories, where several
 566     // resize operations are received for showing the currently available items during
 567     // loading (the application hangs around 20 seconds when loading > 10000 items).
 568
 569     QHeaderView* headerView = header();
 570     QFontMetrics fontMetrics(viewport()->font());
 571
 572     int columnWidth[KDirModel::ColumnCount];
 573     columnWidth[KDirModel::Size] = fontMetrics.width("00000 Items");
 574     columnWidth[KDirModel::ModifiedTime] = fontMetrics.width("0000-00-00 00:00");
 575     columnWidth[KDirModel::Permissions] = fontMetrics.width("xxxxxxxxxx");
 576     columnWidth[KDirModel::Owner] = fontMetrics.width("xxxxxxxxxx");
 577     columnWidth[KDirModel::Group] = fontMetrics.width("xxxxxxxxxx");
 578     columnWidth[KDirModel::Type] = fontMetrics.width("XXXX Xxxxxxx");
 579
 580     int requiredWidth = 0;
 581     for (int i = KDirModel::Size; i <= KDirModel::Type; ++i) {
 582         if (!isColumnHidden(i)) {
 583             columnWidth[i] += 20; // provide a default gap
 584             requiredWidth += columnWidth[i];
 585             headerView->resizeSection(i, columnWidth[i]);
 586         }
 587     }
 588
 589     // resize the name column in a way that the whole available width is used
 590     columnWidth[KDirModel::Name] = viewport()->width() - requiredWidth;
 591     if (columnWidth[KDirModel::Name] < 120) {
 592         columnWidth[KDirModel::Name] = 120;
 593     }
 594     headerView->resizeSection(KDirModel::Name, columnWidth[KDirModel::Name]);
 595 }
 596
 597 #include "dolphindetailsview.moc"