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 "selectionmanager.h"
  29 #include "viewproperties.h"
  30
  31 #include "dolphin_detailsmodesettings.h"
  32 #include "dolphin_generalsettings.h"
  33
  34 #include <kdirmodel.h>
  35 #include <klocale.h>
  36 #include <kmenu.h>
  37
  38 #include <QAbstractProxyModel>
  39 #include <QAction>
  40 #include <QApplication>
  41 #include <QHeaderView>
  42 #include <QRubberBand>
  43 #include <QPainter>
  44 #include <QScrollBar>
  45
  46 DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
  47     QTreeView(parent),
  48         m_autoResize(true),
  49     m_controller(controller),
  50     m_font(),
  51     m_decorationSize(),
  52     m_showElasticBand(false),
  53     m_elasticBandOrigin(),
  54     m_elasticBandDestination()
  55 {
  56     const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
  57     Q_ASSERT(settings != 0);
  58     Q_ASSERT(controller != 0);
  59
  60     setAcceptDrops(true);
  61     setSortingEnabled(true);
  62     setUniformRowHeights(true);
  63     setSelectionBehavior(SelectItems);
  64     setDragDropMode(QAbstractItemView::DragDrop);
  65     setDropIndicatorShown(false);
  66     setAlternatingRowColors(true);
  67     setRootIsDecorated(settings->expandableFolders());
  68     setItemsExpandable(settings->expandableFolders());
  69
  70     setMouseTracking(true);
  71     viewport()->setAttribute(Qt::WA_Hover);
  72
  73     const ViewProperties props(controller->url());
  74     setSortIndicatorSection(props.sorting());
  75     setSortIndicatorOrder(props.sortOrder());
  76
  77     QHeaderView* headerView = header();
  78     connect(headerView, SIGNAL(sectionClicked(int)),
  79             this, SLOT(synchronizeSortingState(int)));
  80     headerView->setContextMenuPolicy(Qt::CustomContextMenu);
  81     connect(headerView, SIGNAL(customContextMenuRequested(const QPoint&)),
  82             this, SLOT(configureColumns(const QPoint&)));
  83     connect(headerView, SIGNAL(sectionResized(int, int, int)),
  84             this, SLOT(slotHeaderSectionResized(int, int, int)));
  85     connect(headerView, SIGNAL(sectionHandleDoubleClicked(int)),
  86             this, SLOT(disableAutoResizing()));
  87
  88     connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
  89             this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
  90     connect(parent, SIGNAL(sortOrderChanged(Qt::SortOrder)),
  91             this, SLOT(setSortIndicatorOrder(Qt::SortOrder)));
  92
  93     // TODO: Connecting to the signal 'activated()' is not possible, as kstyle
  94     // does not forward the single vs. doubleclick to it yet (KDE 4.1?). Hence it is
  95     // necessary connecting the signal 'singleClick()' or 'doubleClick' and to handle the
  96     // RETURN-key in keyPressEvent().
  97     if (KGlobalSettings::singleClick()) {
  98         connect(this, SIGNAL(clicked(const QModelIndex&)),
  99                 controller, SLOT(triggerItem(const QModelIndex&)));
 100         if (DolphinSettings::instance().generalSettings()->showSelectionToggle()) {
 101             SelectionManager* selManager = new SelectionManager(this);
 102             connect(selManager, SIGNAL(selectionChanged()),
 103                     this, SLOT(requestActivation()));
 104             connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
 105                     selManager, SLOT(reset()));
 106         }
 107     } else {
 108         connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
 109                 controller, SLOT(triggerItem(const QModelIndex&)));
 110     }
 111     connect(this, SIGNAL(entered(const QModelIndex&)),
 112             this, SLOT(slotEntered(const QModelIndex&)));
 113     connect(this, SIGNAL(viewportEntered()),
 114             controller, SLOT(emitViewportEntered()));
 115     connect(controller, SIGNAL(zoomIn()),
 116             this, SLOT(zoomIn()));
 117     connect(controller, SIGNAL(zoomOut()),
 118             this, SLOT(zoomOut()));
 119     connect(controller->dolphinView(), SIGNAL(additionalInfoChanged()),
 120             this, SLOT(updateColumnVisibility()));
 121
 122     if (settings->useSystemFont()) {
 123         m_font = KGlobalSettings::generalFont();
 124     } else {
 125         m_font = QFont(settings->fontFamily(),
 126                        settings->fontSize(),
 127                        settings->fontWeight(),
 128                        settings->italicFont());
 129     }
 130
 131     setVerticalScrollMode(QTreeView::ScrollPerPixel);
 132     setHorizontalScrollMode(QTreeView::ScrollPerPixel);
 133
 134     updateDecorationSize();
 135
 136     setFocus();
 137
 138     connect(KGlobalSettings::self(), SIGNAL(kdisplayFontChanged()),
 139             this, SLOT(updateFont()));
 140 }
 141
 142 DolphinDetailsView::~DolphinDetailsView()
 143 {
 144 }
 145
 146 bool DolphinDetailsView::event(QEvent* event)
 147 {
 148     if (event->type() == QEvent::Polish) {
 149         QHeaderView* headerView = header();
 150         headerView->setResizeMode(QHeaderView::Interactive);
 151         headerView->setMovable(false);
 152
 153         updateColumnVisibility();
 154
 155         hideColumn(DolphinModel::Rating);
 156         hideColumn(DolphinModel::Tags);
 157     } else if (event->type() == QEvent::UpdateRequest) {
 158         // a wheel movement will scroll 4 items
 159         if (model()->rowCount() > 0) {
 160             verticalScrollBar()->setSingleStep((sizeHintForRow(0) / 3) * 4);
 161         }
 162     }
 163
 164     return QTreeView::event(event);
 165 }
 166
 167 QStyleOptionViewItem DolphinDetailsView::viewOptions() const
 168 {
 169     QStyleOptionViewItem viewOptions = QTreeView::viewOptions();
 170     viewOptions.font = m_font;
 171     viewOptions.showDecorationSelected = true;
 172     viewOptions.decorationSize = m_decorationSize;
 173     return viewOptions;
 174 }
 175
 176 void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
 177 {
 178     QTreeView::contextMenuEvent(event);
 179     m_controller->triggerContextMenuRequest(event->pos());
 180 }
 181
 182 void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
 183 {
 184     m_controller->requestActivation();
 185
 186     QTreeView::mousePressEvent(event);
 187
 188     const QModelIndex index = indexAt(event->pos());
 189     if (!index.isValid() || (index.column() != DolphinModel::Name)) {
 190         const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 191         if (!(modifier & Qt::ShiftModifier) && !(modifier & Qt::ControlModifier)) {
 192             clearSelection();
 193         }
 194     }
 195
 196     if (event->button() == Qt::LeftButton) {
 197         m_showElasticBand = true;
 198
 199         const QPoint pos(contentsPos());
 200         m_elasticBandOrigin = event->pos();
 201         m_elasticBandOrigin.setX(m_elasticBandOrigin.x() + pos.x());
 202         m_elasticBandOrigin.setY(m_elasticBandOrigin.y() + pos.y());
 203         m_elasticBandDestination = event->pos();
 204     }
 205 }
 206
 207 void DolphinDetailsView::mouseMoveEvent(QMouseEvent* event)
 208 {
 209     if (m_showElasticBand) {
 210         const QPoint mousePos = event->pos();
 211         const QModelIndex index = indexAt(mousePos);
 212         if (!index.isValid()) {
 213             // the destination of the selection rectangle is above the viewport. In this
 214             // case QTreeView does no selection at all, which is not the wanted behavior
 215             // in Dolphin -> select all items within the elastic band rectangle
 216             clearSelection();
 217
 218             const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
 219             QRect selRect = QRect(m_elasticBandOrigin, m_elasticBandDestination).normalized();
 220             const QRect nameColumnsRect(0, 0, nameColumnWidth, viewport()->height());
 221             selRect = nameColumnsRect.intersected(selRect);
 222
 223             setSelection(selRect, QItemSelectionModel::Select);
 224         }
 225
 226         // TODO: enable QTreeView::mouseMoveEvent(event) again, as soon
 227         // as the Qt-issue #199631 has been fixed.
 228         // QTreeView::mouseMoveEvent(event);
 229         QAbstractItemView::mouseMoveEvent(event);
 230         updateElasticBand();
 231     } else {
 232         // TODO: enable QTreeView::mouseMoveEvent(event) again, as soon
 233         // as the Qt-issue #199631 has been fixed.
 234         // QTreeView::mouseMoveEvent(event);
 235         QAbstractItemView::mouseMoveEvent(event);
 236     }
 237 }
 238
 239 void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
 240 {
 241     QTreeView::mouseReleaseEvent(event);
 242     if (m_showElasticBand) {
 243         updateElasticBand();
 244         m_showElasticBand = false;
 245     }
 246 }
 247
 248 void DolphinDetailsView::startDrag(Qt::DropActions supportedActions)
 249 {
 250     DragAndDropHelper::startDrag(this, supportedActions);
 251 }
 252
 253 void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
 254 {
 255     if (event->mimeData()->hasUrls()) {
 256         event->acceptProposedAction();
 257     }
 258
 259     if (m_showElasticBand) {
 260         updateElasticBand();
 261         m_showElasticBand = false;
 262     }
 263 }
 264
 265 void DolphinDetailsView::dragLeaveEvent(QDragLeaveEvent* event)
 266 {
 267     QTreeView::dragLeaveEvent(event);
 268     setDirtyRegion(m_dropRect);
 269 }
 270
 271 void DolphinDetailsView::dragMoveEvent(QDragMoveEvent* event)
 272 {
 273     QTreeView::dragMoveEvent(event);
 274
 275     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
 276     setDirtyRegion(m_dropRect);
 277     const QModelIndex index = indexAt(event->pos());
 278     if (index.isValid() && (index.column() == DolphinModel::Name)) {
 279         const KFileItem item = m_controller->itemForIndex(index);
 280         if (!item.isNull() && item.isDir()) {
 281             m_dropRect = visualRect(index);
 282         } else {
 283             m_dropRect.setSize(QSize()); // set as invalid
 284         }
 285         setDirtyRegion(m_dropRect);
 286     }
 287
 288     if (event->mimeData()->hasUrls()) {
 289         // accept url drops, independently from the destination item
 290         event->acceptProposedAction();
 291     }
 292 }
 293
 294 void DolphinDetailsView::dropEvent(QDropEvent* event)
 295 {
 296     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
 297     if (!urls.isEmpty()) {
 298         event->acceptProposedAction();
 299         const QModelIndex index = indexAt(event->pos());
 300         KFileItem item;
 301         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 302             item = m_controller->itemForIndex(index);
 303         }
 304         m_controller->indicateDroppedUrls(urls,
 305                                           m_controller->url(),
 306                                           item);
 307     }
 308     QTreeView::dropEvent(event);
 309 }
 310
 311 void DolphinDetailsView::paintEvent(QPaintEvent* event)
 312 {
 313     QTreeView::paintEvent(event);
 314     if (m_showElasticBand) {
 315         // The following code has been taken from QListView
 316         // and adapted to DolphinDetailsView.
 317         // (C) 1992-2007 Trolltech ASA
 318         QStyleOptionRubberBand opt;
 319         opt.initFrom(this);
 320         opt.shape = QRubberBand::Rectangle;
 321         opt.opaque = false;
 322         opt.rect = elasticBandRect();
 323
 324         QPainter painter(viewport());
 325         painter.save();
 326         style()->drawControl(QStyle::CE_RubberBand, &opt, &painter);
 327         painter.restore();
 328     }
 329 }
 330
 331 void DolphinDetailsView::keyPressEvent(QKeyEvent* event)
 332 {
 333     QTreeView::keyPressEvent(event);
 334     m_controller->handleKeyPressEvent(event);
 335 }
 336
 337 void DolphinDetailsView::resizeEvent(QResizeEvent* event)
 338 {
 339     if (m_autoResize) {
 340         resizeColumns();
 341     }
 342     QTreeView::resizeEvent(event);
 343 }
 344
 345 void DolphinDetailsView::wheelEvent(QWheelEvent* event)
 346 {
 347     // let Ctrl+wheel events propagate to the DolphinView for icon zooming
 348     if (event->modifiers() & Qt::ControlModifier) {
 349         event->ignore();
 350         return;
 351     }
 352     QTreeView::wheelEvent(event);
 353 }
 354
 355 void DolphinDetailsView::currentChanged(const QModelIndex& current, const QModelIndex& previous)
 356 {
 357     QTreeView::currentChanged(current, previous);
 358     selectionModel()->select(current, QItemSelectionModel::ClearAndSelect);
 359 }
 360
 361 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 362 {
 363     QHeaderView* headerView = header();
 364     headerView->setSortIndicator(sorting, headerView->sortIndicatorOrder());
 365 }
 366
 367 void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
 368 {
 369     QHeaderView* headerView = header();
 370     headerView->setSortIndicator(headerView->sortIndicatorSection(), sortOrder);
 371 }
 372
 373 void DolphinDetailsView::synchronizeSortingState(int column)
 374 {
 375     // The sorting has already been changed in QTreeView if this slot is
 376     // invoked, but Dolphin is not informed about this.
 377     DolphinView::Sorting sorting = DolphinSortFilterProxyModel::sortingForColumn(column);
 378     const Qt::SortOrder sortOrder = header()->sortIndicatorOrder();
 379     m_controller->indicateSortingChange(sorting);
 380     m_controller->indicateSortOrderChange(sortOrder);
 381 }
 382
 383 void DolphinDetailsView::slotEntered(const QModelIndex& index)
 384 {
 385     const QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
 386     const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
 387     if (pos.x() < nameColumnWidth) {
 388         m_controller->emitItemEntered(index);
 389     }
 390     else {
 391         m_controller->emitViewportEntered();
 392     }
 393 }
 394
 395 void DolphinDetailsView::updateElasticBand()
 396 {
 397     if (m_showElasticBand) {
 398         QRect dirtyRegion(elasticBandRect());
 399         m_elasticBandDestination = viewport()->mapFromGlobal(QCursor::pos());
 400         dirtyRegion = dirtyRegion.united(elasticBandRect());
 401         setDirtyRegion(dirtyRegion);
 402     }
 403 }
 404
 405 QRect DolphinDetailsView::elasticBandRect() const
 406 {
 407     const QPoint pos(contentsPos());
 408     const QPoint topLeft(m_elasticBandOrigin.x() - pos.x(), m_elasticBandOrigin.y() - pos.y());
 409     return QRect(topLeft, m_elasticBandDestination).normalized();
 410 }
 411
 412 void DolphinDetailsView::zoomIn()
 413 {
 414     if (isZoomInPossible()) {
 415         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 416         switch (settings->iconSize()) {
 417         case KIconLoader::SizeSmall:  settings->setIconSize(KIconLoader::SizeMedium); break;
 418         case KIconLoader::SizeMedium: settings->setIconSize(KIconLoader::SizeLarge); break;
 419         default: Q_ASSERT(false); break;
 420         }
 421         updateDecorationSize();
 422     }
 423 }
 424
 425 void DolphinDetailsView::zoomOut()
 426 {
 427     if (isZoomOutPossible()) {
 428         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 429         switch (settings->iconSize()) {
 430         case KIconLoader::SizeLarge:  settings->setIconSize(KIconLoader::SizeMedium); break;
 431         case KIconLoader::SizeMedium: settings->setIconSize(KIconLoader::SizeSmall); break;
 432         default: Q_ASSERT(false); break;
 433         }
 434         updateDecorationSize();
 435     }
 436 }
 437
 438 void DolphinDetailsView::configureColumns(const QPoint& pos)
 439 {
 440     KMenu popup(this);
 441     popup.addTitle(i18nc("@title:menu", "Columns"));
 442
 443     QHeaderView* headerView = header();
 444     for (int i = DolphinModel::Size; i <= DolphinModel::Type; ++i) {
 445         const int logicalIndex = headerView->logicalIndex(i);
 446         const QString text = model()->headerData(i, Qt::Horizontal).toString();
 447         QAction* action = popup.addAction(text);
 448         action->setCheckable(true);
 449         action->setChecked(!headerView->isSectionHidden(logicalIndex));
 450         action->setData(i);
 451     }
 452
 453     QAction* activatedAction = popup.exec(header()->mapToGlobal(pos));
 454     if (activatedAction != 0) {
 455         const bool show = activatedAction->isChecked();
 456         const int columnIndex = activatedAction->data().toInt();
 457
 458         KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
 459         const KFileItemDelegate::Information info = infoForColumn(columnIndex);
 460         if (show) {
 461             Q_ASSERT(!list.contains(info));
 462             list.append(info);
 463         } else {
 464             Q_ASSERT(list.contains(info));
 465             const int index = list.indexOf(info);
 466             list.removeAt(index);
 467         }
 468
 469         m_controller->indicateAdditionalInfoChange(list);
 470         setColumnHidden(columnIndex, !show);
 471     }
 472 }
 473
 474 void DolphinDetailsView::updateColumnVisibility()
 475 {
 476     const KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
 477     for (int i = DolphinModel::Size; i <= DolphinModel::Type; ++i) {
 478         const KFileItemDelegate::Information info = infoForColumn(i);
 479         const bool hide = !list.contains(info);
 480         if (isColumnHidden(i) != hide) {
 481             setColumnHidden(i, hide);
 482         }
 483     }
 484
 485     resizeColumns();
 486 }
 487
 488 void DolphinDetailsView::slotHeaderSectionResized(int logicalIndex, int oldSize, int newSize)
 489 {
 490     Q_UNUSED(logicalIndex);
 491     Q_UNUSED(oldSize);
 492     Q_UNUSED(newSize);
 493     if (QApplication::mouseButtons() & Qt::LeftButton) {
 494         disableAutoResizing();
 495     }
 496 }
 497
 498 void DolphinDetailsView::disableAutoResizing()
 499 {
 500     m_autoResize = false;
 501 }
 502
 503 void DolphinDetailsView::requestActivation()
 504 {
 505     m_controller->requestActivation();
 506 }
 507
 508 void DolphinDetailsView::updateFont()
 509 {
 510     const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 511     Q_ASSERT(settings != 0);
 512
 513     if (settings->useSystemFont()) {
 514         m_font = KGlobalSettings::generalFont();
 515     }
 516 }
 517
 518 bool DolphinDetailsView::isZoomInPossible() const
 519 {
 520     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 521     return settings->iconSize() < KIconLoader::SizeLarge;
 522 }
 523
 524 bool DolphinDetailsView::isZoomOutPossible() const
 525 {
 526     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 527     return settings->iconSize() > KIconLoader::SizeSmall;
 528 }
 529
 530 void DolphinDetailsView::updateDecorationSize()
 531 {
 532     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 533     const int iconSize = settings->iconSize();
 534     setIconSize(QSize(iconSize, iconSize));
 535     m_decorationSize = QSize(iconSize, iconSize);
 536
 537     m_controller->setZoomInPossible(isZoomInPossible());
 538     m_controller->setZoomOutPossible(isZoomOutPossible());
 539
 540     doItemsLayout();
 541 }
 542
 543 QPoint DolphinDetailsView::contentsPos() const
 544 {
 545     // implementation note: the horizonal position is ignored currently, as no
 546     // horizontal scrolling is done anyway during a selection
 547     const QScrollBar* scrollbar = verticalScrollBar();
 548     Q_ASSERT(scrollbar != 0);
 549
 550     const int maxHeight = maximumViewportSize().height();
 551     const int height = scrollbar->maximum() - scrollbar->minimum() + 1;
 552     const int visibleHeight = model()->rowCount() + 1 - height;
 553     if (visibleHeight <= 0) {
 554         return QPoint(0, 0);
 555     }
 556
 557     const int y = scrollbar->sliderPosition() * maxHeight / visibleHeight;
 558     return QPoint(0, y);
 559 }
 560
 561 KFileItemDelegate::Information DolphinDetailsView::infoForColumn(int columnIndex) const
 562 {
 563     KFileItemDelegate::Information info = KFileItemDelegate::NoInformation;
 564
 565     switch (columnIndex) {
 566     case DolphinModel::Size:         info = KFileItemDelegate::Size; break;
 567     case DolphinModel::ModifiedTime: info = KFileItemDelegate::ModificationTime; break;
 568     case DolphinModel::Permissions:  info = KFileItemDelegate::Permissions; break;
 569     case DolphinModel::Owner:        info = KFileItemDelegate::Owner; break;
 570     case DolphinModel::Group:        info = KFileItemDelegate::OwnerAndGroup; break;
 571     case DolphinModel::Type:         info = KFileItemDelegate::FriendlyMimeType; break;
 572     default: break;
 573     }
 574
 575     return info;
 576 }
 577
 578 void DolphinDetailsView::resizeColumns()
 579 {
 580     // Using the resize mode QHeaderView::ResizeToContents is too slow (it takes
 581     // around 3 seconds for each (!) resize operation when having > 10000 items).
 582     // This gets a problem especially when opening large directories, where several
 583     // resize operations are received for showing the currently available items during
 584     // loading (the application hangs around 20 seconds when loading > 10000 items).
 585
 586     QHeaderView* headerView = header();
 587     QFontMetrics fontMetrics(viewport()->font());
 588
 589     int columnWidth[KDirModel::ColumnCount];
 590     columnWidth[KDirModel::Size] = fontMetrics.width("00000 Items");
 591     columnWidth[KDirModel::ModifiedTime] = fontMetrics.width("0000-00-00 00:00");
 592     columnWidth[KDirModel::Permissions] = fontMetrics.width("xxxxxxxxxx");
 593     columnWidth[KDirModel::Owner] = fontMetrics.width("xxxxxxxxxx");
 594     columnWidth[KDirModel::Group] = fontMetrics.width("xxxxxxxxxx");
 595     columnWidth[KDirModel::Type] = fontMetrics.width("XXXX Xxxxxxx");
 596
 597     int requiredWidth = 0;
 598     for (int i = KDirModel::Size; i <= KDirModel::Type; ++i) {
 599         if (!isColumnHidden(i)) {
 600             columnWidth[i] += 20; // provide a default gap
 601             requiredWidth += columnWidth[i];
 602             headerView->resizeSection(i, columnWidth[i]);
 603         }
 604     }
 605
 606     // resize the name column in a way that the whole available width is used
 607     columnWidth[KDirModel::Name] = viewport()->width() - requiredWidth;
 608     if (columnWidth[KDirModel::Name] < 120) {
 609         columnWidth[KDirModel::Name] = 120;
 610     }
 611     headerView->resizeSection(KDirModel::Name, columnWidth[KDirModel::Name]);
 612 }
 613
 614 #include "dolphindetailsview.moc"