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     setEditTriggers(QAbstractItemView::NoEditTriggers);
  70
  71     setMouseTracking(true);
  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
 359     // Stay consistent with QListView: When changing the current index by key presses,
 360     // also change the selection.
 361     const Qt::KeyboardModifiers modifier = QApplication::keyboardModifiers();
 362     const bool adjustSelection =  !(modifier & Qt::ShiftModifier) &&
 363                                   !(modifier & Qt::ControlModifier) &&
 364                                   !m_showElasticBand;
 365
 366     if (adjustSelection) {
 367         selectionModel()->select(current, QItemSelectionModel::ClearAndSelect);
 368     }
 369 }
 370
 371 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 372 {
 373     QHeaderView* headerView = header();
 374     headerView->setSortIndicator(sorting, headerView->sortIndicatorOrder());
 375 }
 376
 377 void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
 378 {
 379     QHeaderView* headerView = header();
 380     headerView->setSortIndicator(headerView->sortIndicatorSection(), sortOrder);
 381 }
 382
 383 void DolphinDetailsView::synchronizeSortingState(int column)
 384 {
 385     // The sorting has already been changed in QTreeView if this slot is
 386     // invoked, but Dolphin is not informed about this.
 387     DolphinView::Sorting sorting = DolphinSortFilterProxyModel::sortingForColumn(column);
 388     const Qt::SortOrder sortOrder = header()->sortIndicatorOrder();
 389     m_controller->indicateSortingChange(sorting);
 390     m_controller->indicateSortOrderChange(sortOrder);
 391 }
 392
 393 void DolphinDetailsView::slotEntered(const QModelIndex& index)
 394 {
 395     const QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
 396     const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
 397     if (pos.x() < nameColumnWidth) {
 398         m_controller->emitItemEntered(index);
 399     }
 400     else {
 401         m_controller->emitViewportEntered();
 402     }
 403 }
 404
 405 void DolphinDetailsView::updateElasticBand()
 406 {
 407     if (m_showElasticBand) {
 408         QRect dirtyRegion(elasticBandRect());
 409         m_elasticBandDestination = viewport()->mapFromGlobal(QCursor::pos());
 410         dirtyRegion = dirtyRegion.united(elasticBandRect());
 411         setDirtyRegion(dirtyRegion);
 412     }
 413 }
 414
 415 QRect DolphinDetailsView::elasticBandRect() const
 416 {
 417     const QPoint pos(contentsPos());
 418     const QPoint topLeft(m_elasticBandOrigin.x() - pos.x(), m_elasticBandOrigin.y() - pos.y());
 419     return QRect(topLeft, m_elasticBandDestination).normalized();
 420 }
 421
 422 void DolphinDetailsView::zoomIn()
 423 {
 424     if (isZoomInPossible()) {
 425         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 426         switch (settings->iconSize()) {
 427         case KIconLoader::SizeSmall:  settings->setIconSize(KIconLoader::SizeMedium); break;
 428         case KIconLoader::SizeMedium: settings->setIconSize(KIconLoader::SizeLarge); break;
 429         default: Q_ASSERT(false); break;
 430         }
 431         updateDecorationSize();
 432     }
 433 }
 434
 435 void DolphinDetailsView::zoomOut()
 436 {
 437     if (isZoomOutPossible()) {
 438         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 439         switch (settings->iconSize()) {
 440         case KIconLoader::SizeLarge:  settings->setIconSize(KIconLoader::SizeMedium); break;
 441         case KIconLoader::SizeMedium: settings->setIconSize(KIconLoader::SizeSmall); break;
 442         default: Q_ASSERT(false); break;
 443         }
 444         updateDecorationSize();
 445     }
 446 }
 447
 448 void DolphinDetailsView::configureColumns(const QPoint& pos)
 449 {
 450     KMenu popup(this);
 451     popup.addTitle(i18nc("@title:menu", "Columns"));
 452
 453     QHeaderView* headerView = header();
 454     for (int i = DolphinModel::Size; i <= DolphinModel::Type; ++i) {
 455         const int logicalIndex = headerView->logicalIndex(i);
 456         const QString text = model()->headerData(i, Qt::Horizontal).toString();
 457         QAction* action = popup.addAction(text);
 458         action->setCheckable(true);
 459         action->setChecked(!headerView->isSectionHidden(logicalIndex));
 460         action->setData(i);
 461     }
 462
 463     QAction* activatedAction = popup.exec(header()->mapToGlobal(pos));
 464     if (activatedAction != 0) {
 465         const bool show = activatedAction->isChecked();
 466         const int columnIndex = activatedAction->data().toInt();
 467
 468         KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
 469         const KFileItemDelegate::Information info = infoForColumn(columnIndex);
 470         if (show) {
 471             Q_ASSERT(!list.contains(info));
 472             list.append(info);
 473         } else {
 474             Q_ASSERT(list.contains(info));
 475             const int index = list.indexOf(info);
 476             list.removeAt(index);
 477         }
 478
 479         m_controller->indicateAdditionalInfoChange(list);
 480         setColumnHidden(columnIndex, !show);
 481     }
 482 }
 483
 484 void DolphinDetailsView::updateColumnVisibility()
 485 {
 486     const KFileItemDelegate::InformationList list = m_controller->dolphinView()->additionalInfo();
 487     for (int i = DolphinModel::Size; i <= DolphinModel::Type; ++i) {
 488         const KFileItemDelegate::Information info = infoForColumn(i);
 489         const bool hide = !list.contains(info);
 490         if (isColumnHidden(i) != hide) {
 491             setColumnHidden(i, hide);
 492         }
 493     }
 494
 495     resizeColumns();
 496 }
 497
 498 void DolphinDetailsView::slotHeaderSectionResized(int logicalIndex, int oldSize, int newSize)
 499 {
 500     Q_UNUSED(logicalIndex);
 501     Q_UNUSED(oldSize);
 502     Q_UNUSED(newSize);
 503     if (QApplication::mouseButtons() & Qt::LeftButton) {
 504         disableAutoResizing();
 505     }
 506 }
 507
 508 void DolphinDetailsView::disableAutoResizing()
 509 {
 510     m_autoResize = false;
 511 }
 512
 513 void DolphinDetailsView::requestActivation()
 514 {
 515     m_controller->requestActivation();
 516 }
 517
 518 void DolphinDetailsView::updateFont()
 519 {
 520     const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 521     Q_ASSERT(settings != 0);
 522
 523     if (settings->useSystemFont()) {
 524         m_font = KGlobalSettings::generalFont();
 525     }
 526 }
 527
 528 bool DolphinDetailsView::isZoomInPossible() const
 529 {
 530     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 531     return settings->iconSize() < KIconLoader::SizeLarge;
 532 }
 533
 534 bool DolphinDetailsView::isZoomOutPossible() const
 535 {
 536     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 537     return settings->iconSize() > KIconLoader::SizeSmall;
 538 }
 539
 540 void DolphinDetailsView::updateDecorationSize()
 541 {
 542     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 543     const int iconSize = settings->iconSize();
 544     setIconSize(QSize(iconSize, iconSize));
 545     m_decorationSize = QSize(iconSize, iconSize);
 546
 547     m_controller->setZoomInPossible(isZoomInPossible());
 548     m_controller->setZoomOutPossible(isZoomOutPossible());
 549
 550     doItemsLayout();
 551 }
 552
 553 QPoint DolphinDetailsView::contentsPos() const
 554 {
 555     // implementation note: the horizonal position is ignored currently, as no
 556     // horizontal scrolling is done anyway during a selection
 557     const QScrollBar* scrollbar = verticalScrollBar();
 558     Q_ASSERT(scrollbar != 0);
 559
 560     const int maxHeight = maximumViewportSize().height();
 561     const int height = scrollbar->maximum() - scrollbar->minimum() + 1;
 562     const int visibleHeight = model()->rowCount() + 1 - height;
 563     if (visibleHeight <= 0) {
 564         return QPoint(0, 0);
 565     }
 566
 567     const int y = scrollbar->sliderPosition() * maxHeight / visibleHeight;
 568     return QPoint(0, y);
 569 }
 570
 571 KFileItemDelegate::Information DolphinDetailsView::infoForColumn(int columnIndex) const
 572 {
 573     KFileItemDelegate::Information info = KFileItemDelegate::NoInformation;
 574
 575     switch (columnIndex) {
 576     case DolphinModel::Size:         info = KFileItemDelegate::Size; break;
 577     case DolphinModel::ModifiedTime: info = KFileItemDelegate::ModificationTime; break;
 578     case DolphinModel::Permissions:  info = KFileItemDelegate::Permissions; break;
 579     case DolphinModel::Owner:        info = KFileItemDelegate::Owner; break;
 580     case DolphinModel::Group:        info = KFileItemDelegate::OwnerAndGroup; break;
 581     case DolphinModel::Type:         info = KFileItemDelegate::FriendlyMimeType; break;
 582     default: break;
 583     }
 584
 585     return info;
 586 }
 587
 588 void DolphinDetailsView::resizeColumns()
 589 {
 590     // Using the resize mode QHeaderView::ResizeToContents is too slow (it takes
 591     // around 3 seconds for each (!) resize operation when having > 10000 items).
 592     // This gets a problem especially when opening large directories, where several
 593     // resize operations are received for showing the currently available items during
 594     // loading (the application hangs around 20 seconds when loading > 10000 items).
 595
 596     QHeaderView* headerView = header();
 597     QFontMetrics fontMetrics(viewport()->font());
 598
 599     int columnWidth[KDirModel::ColumnCount];
 600     columnWidth[KDirModel::Size] = fontMetrics.width("00000 Items");
 601     columnWidth[KDirModel::ModifiedTime] = fontMetrics.width("0000-00-00 00:00");
 602     columnWidth[KDirModel::Permissions] = fontMetrics.width("xxxxxxxxxx");
 603     columnWidth[KDirModel::Owner] = fontMetrics.width("xxxxxxxxxx");
 604     columnWidth[KDirModel::Group] = fontMetrics.width("xxxxxxxxxx");
 605     columnWidth[KDirModel::Type] = fontMetrics.width("XXXX Xxxxxxx");
 606
 607     int requiredWidth = 0;
 608     for (int i = KDirModel::Size; i <= KDirModel::Type; ++i) {
 609         if (!isColumnHidden(i)) {
 610             columnWidth[i] += 20; // provide a default gap
 611             requiredWidth += columnWidth[i];
 612             headerView->resizeSection(i, columnWidth[i]);
 613         }
 614     }
 615
 616     // resize the name column in a way that the whole available width is used
 617     columnWidth[KDirModel::Name] = viewport()->width() - requiredWidth;
 618     if (columnWidth[KDirModel::Name] < 120) {
 619         columnWidth[KDirModel::Name] = 120;
 620     }
 621     headerView->resizeSection(KDirModel::Name, columnWidth[KDirModel::Name]);
 622 }
 623
 624 #include "dolphindetailsview.moc"