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_autoResize(true),
  47     m_controller(controller),
  48     m_font(),
  49     m_decorationSize(),
  50     m_dragging(false),
  51     m_showElasticBand(false),
  52     m_elasticBandOrigin(),
  53     m_elasticBandDestination()
  54 {
  55     Q_ASSERT(controller != 0);
  56
  57     setAcceptDrops(true);
  58     setRootIsDecorated(false);
  59     setSortingEnabled(true);
  60     setUniformRowHeights(true);
  61     setSelectionBehavior(SelectItems);
  62     setDragDropMode(QAbstractItemView::DragDrop);
  63     setDropIndicatorShown(false);
  64     setAlternatingRowColors(true);
  65     setItemsExpandable(false);
  66
  67     setMouseTracking(true);
  68     viewport()->setAttribute(Qt::WA_Hover);
  69
  70     const ViewProperties props(controller->url());
  71     setSortIndicatorSection(props.sorting());
  72     setSortIndicatorOrder(props.sortOrder());
  73
  74     QHeaderView* headerView = header();
  75     connect(headerView, SIGNAL(sectionClicked(int)),
  76             this, SLOT(synchronizeSortingState(int)));
  77     headerView->setContextMenuPolicy(Qt::CustomContextMenu);
  78     connect(headerView, SIGNAL(customContextMenuRequested(const QPoint&)),
  79             this, SLOT(configureColumns(const QPoint&)));
  80     connect(headerView, SIGNAL(sectionResized(int, int, int)),
  81             this, SLOT(slotHeaderSectionResized(int, int, int)));
  82     connect(headerView, SIGNAL(sectionHandleDoubleClicked(int)),
  83             this, SLOT(disableAutoResizing()));
  84
  85     connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
  86             this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
  87     connect(parent, SIGNAL(sortOrderChanged(Qt::SortOrder)),
  88             this, SLOT(setSortIndicatorOrder(Qt::SortOrder)));
  89
  90     // TODO: Connecting to the signal 'activated()' is not possible, as kstyle
  91     // does not forward the single vs. doubleclick to it yet (KDE 4.1?). Hence it is
  92     // necessary connecting the signal 'singleClick()' or 'doubleClick' and to handle the
  93     // RETURN-key in keyPressEvent().
  94     if (KGlobalSettings::singleClick()) {
  95         connect(this, SIGNAL(clicked(const QModelIndex&)),
  96                 this, SLOT(triggerItem(const QModelIndex&)));
  97     } else {
  98         connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
  99                 this, SLOT(triggerItem(const QModelIndex&)));
 100     }
 101     connect(this, SIGNAL(entered(const QModelIndex&)),
 102             this, SLOT(slotEntered(const QModelIndex&)));
 103     connect(this, SIGNAL(viewportEntered()),
 104             controller, SLOT(emitViewportEntered()));
 105     connect(controller, SIGNAL(zoomIn()),
 106             this, SLOT(zoomIn()));
 107     connect(controller, SIGNAL(zoomOut()),
 108             this, SLOT(zoomOut()));
 109     connect(controller->dolphinView(), SIGNAL(additionalInfoChanged()),
 110             this, SLOT(updateColumnVisibility()));
 111
 112     // apply the details mode settings to the widget
 113     const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 114     Q_ASSERT(settings != 0);
 115
 116     m_font = QFont(settings->fontFamily(), settings->fontSize());
 117
 118 // TODO: Remove this check when 4.3.2 is released and KDE requires it... this
 119 //       check avoids a division by zero happening on versions before 4.3.1.
 120 //       Right now KDE in theory can be shipped with Qt 4.3.0 and above.
 121 //       ereslibre
 122 #if (QT_VERSION >= QT_VERSION_CHECK(4, 3, 2) || defined(QT_KDE_QT_COPY))
 123     setVerticalScrollMode(QTreeView::ScrollPerPixel);
 124     setHorizontalScrollMode(QTreeView::ScrollPerPixel);
 125 #endif
 126
 127     updateDecorationSize();
 128
 129     setFocus();
 130 }
 131
 132 DolphinDetailsView::~DolphinDetailsView()
 133 {
 134 }
 135
 136 bool DolphinDetailsView::event(QEvent* event)
 137 {
 138     if (event->type() == QEvent::Polish) {
 139         QHeaderView* headerView = header();
 140         headerView->setResizeMode(QHeaderView::Interactive);
 141         headerView->setMovable(false);
 142
 143         updateColumnVisibility();
 144
 145         hideColumn(DolphinModel::Rating);
 146         hideColumn(DolphinModel::Tags);
 147     }
 148 // TODO: Remove this check when 4.3.2 is released and KDE requires it... this
 149 //       check avoids a division by zero happening on versions before 4.3.1.
 150 //       Right now KDE in theory can be shipped with Qt 4.3.0 and above.
 151 //       ereslibre
 152 #if (QT_VERSION >= QT_VERSION_CHECK(4, 3, 2) || defined(QT_KDE_QT_COPY))
 153     else if (event->type() == QEvent::UpdateRequest) {
 154         // a wheel movement will scroll 4 items
 155         if (model()->rowCount() > 0) {
 156             verticalScrollBar()->setSingleStep((sizeHintForRow(0) / 3) * 4);
 157         }
 158     }
 159 #endif
 160
 161     return QTreeView::event(event);
 162 }
 163
 164 QStyleOptionViewItem DolphinDetailsView::viewOptions() const
 165 {
 166     QStyleOptionViewItem viewOptions = QTreeView::viewOptions();
 167     viewOptions.font = m_font;
 168     viewOptions.showDecorationSelected = true;
 169     viewOptions.decorationSize = m_decorationSize;
 170     return viewOptions;
 171 }
 172
 173 void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
 174 {
 175     QTreeView::contextMenuEvent(event);
 176     m_controller->triggerContextMenuRequest(event->pos());
 177 }
 178
 179 void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
 180 {
 181     m_controller->requestActivation();
 182
 183     QTreeView::mousePressEvent(event);
 184
 185     const QModelIndex index = indexAt(event->pos());
 186     if (!index.isValid() || (index.column() != DolphinModel::Name)) {
 187         const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 188         if (!(modifier & Qt::ShiftModifier) && !(modifier & Qt::ControlModifier)) {
 189             clearSelection();
 190         }
 191     }
 192
 193     if (event->button() == Qt::LeftButton) {
 194         m_showElasticBand = true;
 195
 196         const QPoint pos(contentsPos());
 197         m_elasticBandOrigin = event->pos();
 198         m_elasticBandOrigin.setX(m_elasticBandOrigin.x() + pos.x());
 199         m_elasticBandOrigin.setY(m_elasticBandOrigin.y() + pos.y());
 200         m_elasticBandDestination = event->pos();
 201     }
 202 }
 203
 204 void DolphinDetailsView::mouseMoveEvent(QMouseEvent* event)
 205 {
 206     if (m_showElasticBand) {
 207         const QPoint mousePos = event->pos();
 208         const QModelIndex index = indexAt(mousePos);
 209         if (!index.isValid()) {
 210             // the destination of the selection rectangle is above the viewport. In this
 211             // case QTreeView does no selection at all, which is not the wanted behavior
 212             // in Dolphin -> select all items within the elastic band rectangle
 213             clearSelection();
 214
 215             const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
 216             QRect selRect = QRect(m_elasticBandOrigin, m_elasticBandDestination).normalized();
 217             const QRect nameColumnsRect(0, 0, nameColumnWidth, viewport()->height());
 218             selRect = nameColumnsRect.intersected(selRect);
 219
 220             setSelection(selRect, QItemSelectionModel::Select);
 221         }
 222
 223         QTreeView::mouseMoveEvent(event);
 224         updateElasticBand();
 225     } else {
 226         QTreeView::mouseMoveEvent(event);
 227     }
 228 }
 229
 230 void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
 231 {
 232     QTreeView::mouseReleaseEvent(event);
 233     if (m_showElasticBand) {
 234         updateElasticBand();
 235         m_showElasticBand = false;
 236     }
 237 }
 238
 239 void DolphinDetailsView::startDrag(Qt::DropActions supportedActions)
 240 {
 241     DragAndDropHelper::startDrag(this, supportedActions);
 242 }
 243
 244 void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
 245 {
 246     if (event->mimeData()->hasUrls()) {
 247         event->acceptProposedAction();
 248     }
 249
 250     if (m_showElasticBand) {
 251         updateElasticBand();
 252         m_showElasticBand = false;
 253     }
 254     m_dragging = true;
 255 }
 256
 257 void DolphinDetailsView::dragLeaveEvent(QDragLeaveEvent* event)
 258 {
 259     QTreeView::dragLeaveEvent(event);
 260
 261     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
 262     m_dragging = false;
 263     setDirtyRegion(m_dropRect);
 264 }
 265
 266 void DolphinDetailsView::dragMoveEvent(QDragMoveEvent* event)
 267 {
 268     QTreeView::dragMoveEvent(event);
 269
 270     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
 271     setDirtyRegion(m_dropRect);
 272     const QModelIndex index = indexAt(event->pos());
 273     if (!index.isValid() || (index.column() != DolphinModel::Name)) {
 274         m_dragging = false;
 275     } else {
 276         m_dragging = true;
 277         const KFileItem item = itemForIndex(index);
 278         if (!item.isNull() && item.isDir()) {
 279             m_dropRect = visualRect(index);
 280         } else {
 281             m_dropRect.setSize(QSize()); // set as invalid
 282         }
 283         setDirtyRegion(m_dropRect);
 284     }
 285
 286     if (event->mimeData()->hasUrls()) {
 287         // accept url drops, independently from the destination item
 288         event->acceptProposedAction();
 289     }
 290 }
 291
 292 void DolphinDetailsView::dropEvent(QDropEvent* event)
 293 {
 294     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
 295     if (!urls.isEmpty()) {
 296         event->acceptProposedAction();
 297         const QModelIndex index = indexAt(event->pos());
 298         KFileItem item;
 299         if (index.isValid() && (index.column() == DolphinModel::Name)) {
 300             item = itemForIndex(index);
 301         }
 302         m_controller->indicateDroppedUrls(urls,
 303                                           m_controller->url(),
 304                                           item);
 305     }
 306     QTreeView::dropEvent(event);
 307     m_dragging = false;
 308 }
 309
 310 void DolphinDetailsView::paintEvent(QPaintEvent* event)
 311 {
 312     QTreeView::paintEvent(event);
 313     if (m_showElasticBand) {
 314         // The following code has been taken from QListView
 315         // and adapted to DolphinDetailsView.
 316         // (C) 1992-2007 Trolltech ASA
 317         QStyleOptionRubberBand opt;
 318         opt.initFrom(this);
 319         opt.shape = QRubberBand::Rectangle;
 320         opt.opaque = false;
 321         opt.rect = elasticBandRect();
 322
 323         QPainter painter(viewport());
 324         painter.save();
 325         style()->drawControl(QStyle::CE_RubberBand, &opt, &painter);
 326         painter.restore();
 327     }
 328
 329     // TODO: remove this code when the issue #160611 is solved in Qt 4.4
 330     if (m_dragging) {
 331         const QBrush& brush = viewOptions().palette.brush(QPalette::Normal, QPalette::Highlight);
 332         DragAndDropHelper::drawHoverIndication(this, m_dropRect, brush);
 333     }
 334 }
 335
 336 void DolphinDetailsView::keyPressEvent(QKeyEvent* event)
 337 {
 338     QTreeView::keyPressEvent(event);
 339
 340     const QItemSelectionModel* selModel = selectionModel();
 341     const QModelIndex currentIndex = selModel->currentIndex();
 342     const bool trigger = currentIndex.isValid()
 343                          && (event->key() == Qt::Key_Return)
 344                          && (selModel->selectedIndexes().count() <= 1);
 345     if (trigger) {
 346         triggerItem(currentIndex);
 347     }
 348 }
 349
 350 void DolphinDetailsView::resizeEvent(QResizeEvent* event)
 351 {
 352     QTreeView::resizeEvent(event);
 353     if (m_autoResize) {
 354         resizeColumns();
 355     }
 356 }
 357
 358 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 359 {
 360     QHeaderView* headerView = header();
 361     headerView->setSortIndicator(sorting, headerView->sortIndicatorOrder());
 362 }
 363
 364 void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
 365 {
 366     QHeaderView* headerView = header();
 367     headerView->setSortIndicator(headerView->sortIndicatorSection(), sortOrder);
 368 }
 369
 370 void DolphinDetailsView::synchronizeSortingState(int column)
 371 {
 372     // The sorting has already been changed in QTreeView if this slot is
 373     // invoked, but Dolphin is not informed about this.
 374     DolphinView::Sorting sorting = DolphinSortFilterProxyModel::sortingForColumn(column);
 375     const Qt::SortOrder sortOrder = header()->sortIndicatorOrder();
 376     m_controller->indicateSortingChange(sorting);
 377     m_controller->indicateSortOrderChange(sortOrder);
 378 }
 379
 380 void DolphinDetailsView::slotEntered(const QModelIndex& index)
 381 {
 382     const QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
 383     const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
 384     if (pos.x() < nameColumnWidth) {
 385         m_controller->emitItemEntered(itemForIndex(index));
 386     }
 387     else {
 388         m_controller->emitViewportEntered();
 389     }
 390 }
 391
 392 void DolphinDetailsView::updateElasticBand()
 393 {
 394     if (m_showElasticBand) {
 395         QRect dirtyRegion(elasticBandRect());
 396         m_elasticBandDestination = viewport()->mapFromGlobal(QCursor::pos());
 397         dirtyRegion = dirtyRegion.united(elasticBandRect());
 398         setDirtyRegion(dirtyRegion);
 399     }
 400 }
 401
 402 QRect DolphinDetailsView::elasticBandRect() const
 403 {
 404     const QPoint pos(contentsPos());
 405     const QPoint topLeft(m_elasticBandOrigin.x() - pos.x(), m_elasticBandOrigin.y() - pos.y());
 406     return QRect(topLeft, m_elasticBandDestination).normalized();
 407 }
 408
 409 void DolphinDetailsView::zoomIn()
 410 {
 411     if (isZoomInPossible()) {
 412         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 413         switch (settings->iconSize()) {
 414         case KIconLoader::SizeSmall:  settings->setIconSize(KIconLoader::SizeMedium); break;
 415         case KIconLoader::SizeMedium: settings->setIconSize(KIconLoader::SizeLarge); break;
 416         default: Q_ASSERT(false); break;
 417         }
 418         updateDecorationSize();
 419     }
 420 }
 421
 422 void DolphinDetailsView::zoomOut()
 423 {
 424     if (isZoomOutPossible()) {
 425         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 426         switch (settings->iconSize()) {
 427         case KIconLoader::SizeLarge:  settings->setIconSize(KIconLoader::SizeMedium); break;
 428         case KIconLoader::SizeMedium: settings->setIconSize(KIconLoader::SizeSmall); break;
 429         default: Q_ASSERT(false); break;
 430         }
 431         updateDecorationSize();
 432     }
 433 }
 434
 435 void DolphinDetailsView::triggerItem(const QModelIndex& index)
 436 {
 437     const KFileItem item = itemForIndex(index);
 438     if (index.isValid() && (index.column() == KDirModel::Name)) {
 439         m_controller->triggerItem(item);
 440     } else {
 441         clearSelection();
 442         m_controller->emitItemEntered(item);
 443     }
 444 }
 445
 446 void DolphinDetailsView::configureColumns(const QPoint& pos)
 447 {
 448     KMenu popup(this);
 449     popup.addTitle(i18nc("@title:menu", "Columns"));
 450
 451     QHeaderView* headerView = header();
 452     for (int i = DolphinModel::Size; i <= DolphinModel::Type; ++i) {
 453         const int logicalIndex = headerView->logicalIndex(i);
 454         const QString text = model()->headerData(i, Qt::Horizontal).toString();
 455         QAction* action = popup.addAction(text);
 456         action->setCheckable(true);
 457         action->setChecked(!headerView->isSectionHidden(logicalIndex));
 458         action->setData(i);
 459     }
 460
 461     QAction* activatedAction = popup.exec(header()->mapToGlobal(pos));
 462     if (activatedAction != 0) {
 463         const bool show = activatedAction->isChecked();
 464         const int columnIndex = activatedAction->data().toInt();
 465
 466         KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
 467         const KFileItemDelegate::Information info = infoForColumn(columnIndex);
 468         if (show) {
 469             Q_ASSERT(!list.contains(info));
 470             list.append(info);
 471         } else {
 472             Q_ASSERT(list.contains(info));
 473             const int index = list.indexOf(info);
 474             list.removeAt(index);
 475         }
 476
 477         m_controller->indicateAdditionalInfoChange(list);
 478         setColumnHidden(columnIndex, !show);
 479     }
 480 }
 481
 482 void DolphinDetailsView::updateColumnVisibility()
 483 {
 484     const KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
 485     for (int i = DolphinModel::Size; i <= DolphinModel::Type; ++i) {
 486         const KFileItemDelegate::Information info = infoForColumn(i);
 487         const bool hide = !list.contains(info);
 488         if (isColumnHidden(i) != hide) {
 489             setColumnHidden(i, hide);
 490         }
 491     }
 492
 493     resizeColumns();
 494 }
 495
 496 void DolphinDetailsView::slotHeaderSectionResized(int logicalIndex, int oldSize, int newSize)
 497 {
 498     Q_UNUSED(logicalIndex);
 499     Q_UNUSED(oldSize);
 500     Q_UNUSED(newSize);
 501     if (QApplication::mouseButtons() & Qt::LeftButton) {
 502         disableAutoResizing();
 503     }
 504 }
 505
 506 void DolphinDetailsView::disableAutoResizing()
 507 {
 508     m_autoResize = false;
 509 }
 510
 511 bool DolphinDetailsView::isZoomInPossible() const
 512 {
 513     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 514     return settings->iconSize() < KIconLoader::SizeLarge;
 515 }
 516
 517 bool DolphinDetailsView::isZoomOutPossible() const
 518 {
 519     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 520     return settings->iconSize() > KIconLoader::SizeSmall;
 521 }
 522
 523 void DolphinDetailsView::updateDecorationSize()
 524 {
 525     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 526     const int iconSize = settings->iconSize();
 527     m_decorationSize = QSize(iconSize, iconSize);
 528
 529     m_controller->setZoomInPossible(isZoomInPossible());
 530     m_controller->setZoomOutPossible(isZoomOutPossible());
 531
 532     doItemsLayout();
 533 }
 534
 535 QPoint DolphinDetailsView::contentsPos() const
 536 {
 537     // implementation note: the horizonal position is ignored currently, as no
 538     // horizontal scrolling is done anyway during a selection
 539     const QScrollBar* scrollbar = verticalScrollBar();
 540     Q_ASSERT(scrollbar != 0);
 541
 542     const int maxHeight = maximumViewportSize().height();
 543     const int height = scrollbar->maximum() - scrollbar->minimum() + 1;
 544     const int visibleHeight = model()->rowCount() + 1 - height;
 545     if (visibleHeight <= 0) {
 546         return QPoint(0, 0);
 547     }
 548
 549     const int y = scrollbar->sliderPosition() * maxHeight / visibleHeight;
 550     return QPoint(0, y);
 551 }
 552
 553 KFileItem DolphinDetailsView::itemForIndex(const QModelIndex& index) const
 554 {
 555     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(model());
 556     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 557     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 558     return dirModel->itemForIndex(dirIndex);
 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"