src/kitemviews/kitemlistcontroller.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
   3  *   Copyright (C) 2012 by Frank Reininghaus <frank78ac@googlemail.com>    *
   4  *                                                                         *
   5  *   Based on the Itemviews NG project from Trolltech Labs:                *
   6  *   http://qt.gitorious.org/qt-labs/itemviews-ng                          *
   7  *                                                                         *
   8  *   This program is free software; you can redistribute it and/or modify  *
   9  *   it under the terms of the GNU General Public License as published by  *
  10  *   the Free Software Foundation; either version 2 of the License, or     *
  11  *   (at your option) any later version.                                   *
  12  *                                                                         *
  13  *   This program is distributed in the hope that it will be useful,       *
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  16  *   GNU General Public License for more details.                          *
  17  *                                                                         *
  18  *   You should have received a copy of the GNU General Public License     *
  19  *   along with this program; if not, write to the                         *
  20  *   Free Software Foundation, Inc.,                                       *
  21  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  22  ***************************************************************************/
  23
  24 #include "kitemlistcontroller.h"
  25
  26 #include <KGlobalSettings>
  27 #include <KDebug>
  28
  29 #include "kitemlistview.h"
  30 #include "kitemlistselectionmanager.h"
  31
  32 #include "private/kitemlistrubberband.h"
  33 #include "private/kitemlistkeyboardsearchmanager.h"
  34
  35 #include <QApplication>
  36 #include <QDrag>
  37 #include <QEvent>
  38 #include <QGraphicsScene>
  39 #include <QGraphicsSceneEvent>
  40 #include <QGraphicsView>
  41 #include <QMimeData>
  42 #include <QTimer>
  43
  44 KItemListController::KItemListController(KItemModelBase* model, KItemListView* view, QObject* parent) :
  45     QObject(parent),
  46     m_singleClickActivation(KGlobalSettings::singleClick()),
  47     m_selectionTogglePressed(false),
  48     m_clearSelectionIfItemsAreNotDragged(false),
  49     m_selectionBehavior(NoSelection),
  50     m_autoActivationBehavior(ActivationAndExpansion),
  51     m_mouseDoubleClickAction(ActivateItemOnly),
  52     m_model(0),
  53     m_view(0),
  54     m_selectionManager(new KItemListSelectionManager(this)),
  55     m_keyboardManager(new KItemListKeyboardSearchManager(this)),
  56     m_pressedIndex(-1),
  57     m_pressedMousePos(),
  58     m_autoActivationTimer(0),
  59     m_oldSelection(),
  60     m_keyboardAnchorIndex(-1),
  61     m_keyboardAnchorPos(0)
  62 {
  63     connect(m_keyboardManager, SIGNAL(changeCurrentItem(QString,bool)),
  64             this, SLOT(slotChangeCurrentItem(QString,bool)));
  65     connect(m_selectionManager, SIGNAL(currentChanged(int,int)),
  66             m_keyboardManager, SLOT(slotCurrentChanged(int,int)));
  67
  68     m_autoActivationTimer = new QTimer(this);
  69     m_autoActivationTimer->setSingleShot(true);
  70     m_autoActivationTimer->setInterval(-1);
  71     connect(m_autoActivationTimer, SIGNAL(timeout()), this, SLOT(slotAutoActivationTimeout()));
  72
  73     setModel(model);
  74     setView(view);
  75 }
  76
  77 KItemListController::~KItemListController()
  78 {
  79     setView(0);
  80     Q_ASSERT(!m_view);
  81
  82     setModel(0);
  83     Q_ASSERT(!m_model);
  84 }
  85
  86 void KItemListController::setModel(KItemModelBase* model)
  87 {
  88     if (m_model == model) {
  89         return;
  90     }
  91
  92     KItemModelBase* oldModel = m_model;
  93     if (oldModel) {
  94         oldModel->deleteLater();
  95     }
  96
  97     m_model = model;
  98     if (m_model) {
  99         m_model->setParent(this);
 100     }
 101
 102     if (m_view) {
 103         m_view->setModel(m_model);
 104     }
 105
 106     m_selectionManager->setModel(m_model);
 107
 108     emit modelChanged(m_model, oldModel);
 109 }
 110
 111 KItemModelBase* KItemListController::model() const
 112 {
 113     return m_model;
 114 }
 115
 116 KItemListSelectionManager* KItemListController::selectionManager() const
 117 {
 118     return m_selectionManager;
 119 }
 120
 121 void KItemListController::setView(KItemListView* view)
 122 {
 123     if (m_view == view) {
 124         return;
 125     }
 126
 127     KItemListView* oldView = m_view;
 128     if (oldView) {
 129         disconnect(oldView, SIGNAL(scrollOffsetChanged(qreal,qreal)), this, SLOT(slotViewScrollOffsetChanged(qreal,qreal)));
 130         oldView->deleteLater();
 131     }
 132
 133     m_view = view;
 134
 135     if (m_view) {
 136         m_view->setParent(this);
 137         m_view->setController(this);
 138         m_view->setModel(m_model);
 139         connect(m_view, SIGNAL(scrollOffsetChanged(qreal,qreal)), this, SLOT(slotViewScrollOffsetChanged(qreal,qreal)));
 140         updateExtendedSelectionRegion();
 141     }
 142
 143     emit viewChanged(m_view, oldView);
 144 }
 145
 146 KItemListView* KItemListController::view() const
 147 {
 148     return m_view;
 149 }
 150
 151 void KItemListController::setSelectionBehavior(SelectionBehavior behavior)
 152 {
 153     m_selectionBehavior = behavior;
 154     updateExtendedSelectionRegion();
 155 }
 156
 157 KItemListController::SelectionBehavior KItemListController::selectionBehavior() const
 158 {
 159     return m_selectionBehavior;
 160 }
 161
 162 void KItemListController::setAutoActivationBehavior(AutoActivationBehavior behavior)
 163 {
 164     m_autoActivationBehavior = behavior;
 165 }
 166
 167 KItemListController::AutoActivationBehavior KItemListController::autoActivationBehavior() const
 168 {
 169     return m_autoActivationBehavior;
 170 }
 171
 172 void KItemListController::setMouseDoubleClickAction(MouseDoubleClickAction action)
 173 {
 174     m_mouseDoubleClickAction = action;
 175 }
 176
 177 KItemListController::MouseDoubleClickAction KItemListController::mouseDoubleClickAction() const
 178 {
 179     return m_mouseDoubleClickAction;
 180 }
 181
 182 void KItemListController::setAutoActivationDelay(int delay)
 183 {
 184     m_autoActivationTimer->setInterval(delay);
 185 }
 186
 187 int KItemListController::autoActivationDelay() const
 188 {
 189     return m_autoActivationTimer->interval();
 190 }
 191
 192 void KItemListController::setSingleClickActivation(bool singleClick)
 193 {
 194     m_singleClickActivation = singleClick;
 195 }
 196
 197 bool KItemListController::singleClickActivation() const
 198 {
 199     return m_singleClickActivation;
 200 }
 201
 202 bool KItemListController::showEvent(QShowEvent* event)
 203 {
 204     Q_UNUSED(event);
 205     return false;
 206 }
 207
 208 bool KItemListController::hideEvent(QHideEvent* event)
 209 {
 210     Q_UNUSED(event);
 211     return false;
 212 }
 213
 214 bool KItemListController::keyPressEvent(QKeyEvent* event)
 215 {
 216     int index = m_selectionManager->currentItem();
 217     int key = event->key();
 218
 219     // Handle the expanding/collapsing of items
 220     if (m_view->supportsItemExpanding() && m_model->isExpandable(index)) {
 221         if (key == Qt::Key_Right) {
 222             if (m_model->setExpanded(index, true)) {
 223                 return true;
 224             }
 225         } else if (key == Qt::Key_Left) {
 226             if (m_model->setExpanded(index, false)) {
 227                 return true;
 228             }
 229         }
 230     }
 231
 232     const bool shiftPressed = event->modifiers() & Qt::ShiftModifier;
 233     const bool controlPressed = event->modifiers() & Qt::ControlModifier;
 234     const bool shiftOrControlPressed = shiftPressed || controlPressed;
 235
 236     const int itemCount = m_model->count();
 237
 238     // For horizontal scroll orientation, transform
 239     // the arrow keys to simplify the event handling.
 240     if (m_view->scrollOrientation() == Qt::Horizontal) {
 241         switch (key) {
 242         case Qt::Key_Up:    key = Qt::Key_Left; break;
 243         case Qt::Key_Down:  key = Qt::Key_Right; break;
 244         case Qt::Key_Left:  key = Qt::Key_Up; break;
 245         case Qt::Key_Right: key = Qt::Key_Down; break;
 246         default:            break;
 247         }
 248     }
 249
 250     const bool selectSingleItem = m_selectionBehavior != NoSelection &&
 251                                   itemCount == 1 &&
 252                                   (key == Qt::Key_Home || key == Qt::Key_End  ||
 253                                    key == Qt::Key_Up   || key == Qt::Key_Down ||
 254                                    key == Qt::Key_Left || key == Qt::Key_Right);
 255     if (selectSingleItem) {
 256         const int current = m_selectionManager->currentItem();
 257         m_selectionManager->setSelected(current);
 258         return true;
 259     }
 260
 261     switch (key) {
 262     case Qt::Key_Home:
 263         index = 0;
 264         m_keyboardAnchorIndex = index;
 265         m_keyboardAnchorPos = keyboardAnchorPos(index);
 266         break;
 267
 268     case Qt::Key_End:
 269         index = itemCount - 1;
 270         m_keyboardAnchorIndex = index;
 271         m_keyboardAnchorPos = keyboardAnchorPos(index);
 272         break;
 273
 274     case Qt::Key_Left:
 275         if (index > 0) {
 276             const int expandedParentsCount = m_model->expandedParentsCount(index);
 277             if (expandedParentsCount == 0) {
 278                 --index;
 279             } else {
 280                 // Go to the parent of the current item.
 281                 do {
 282                     --index;
 283                 } while (index > 0 && m_model->expandedParentsCount(index) == expandedParentsCount);
 284             }
 285             m_keyboardAnchorIndex = index;
 286             m_keyboardAnchorPos = keyboardAnchorPos(index);
 287         }
 288         break;
 289
 290     case Qt::Key_Right:
 291         if (index < itemCount - 1) {
 292             ++index;
 293             m_keyboardAnchorIndex = index;
 294             m_keyboardAnchorPos = keyboardAnchorPos(index);
 295         }
 296         break;
 297
 298     case Qt::Key_Up:
 299         updateKeyboardAnchor();
 300         index = previousRowIndex(index);
 301         break;
 302
 303     case Qt::Key_Down:
 304         updateKeyboardAnchor();
 305         index = nextRowIndex(index);
 306         break;
 307
 308     case Qt::Key_PageUp:
 309         if (m_view->scrollOrientation() == Qt::Horizontal) {
 310             // The new current index should correspond to the first item in the current column.
 311             int newIndex = qMax(index - 1, 0);
 312             while (newIndex != index && m_view->itemRect(newIndex).topLeft().y() < m_view->itemRect(index).topLeft().y()) {
 313                 index = newIndex;
 314                 newIndex = qMax(index - 1, 0);
 315             }
 316             m_keyboardAnchorIndex = index;
 317             m_keyboardAnchorPos = keyboardAnchorPos(index);
 318         } else {
 319             const qreal currentItemBottom = m_view->itemRect(index).bottomLeft().y();
 320             const qreal height = m_view->geometry().height();
 321
 322             // The new current item should be the first item in the current
 323             // column whose itemRect's top coordinate is larger than targetY.
 324             const qreal targetY = currentItemBottom - height;
 325
 326             updateKeyboardAnchor();
 327             int newIndex = previousRowIndex(index);
 328             do {
 329                 index = newIndex;
 330                 updateKeyboardAnchor();
 331                 newIndex = previousRowIndex(index);
 332             } while (m_view->itemRect(newIndex).topLeft().y() > targetY && newIndex != index);
 333         }
 334         break;
 335
 336     case Qt::Key_PageDown:
 337         if (m_view->scrollOrientation() == Qt::Horizontal) {
 338             // The new current index should correspond to the last item in the current column.
 339             int newIndex = qMin(index + 1, m_model->count() - 1);
 340             while (newIndex != index && m_view->itemRect(newIndex).topLeft().y() > m_view->itemRect(index).topLeft().y()) {
 341                 index = newIndex;
 342                 newIndex = qMin(index + 1, m_model->count() - 1);
 343             }
 344             m_keyboardAnchorIndex = index;
 345             m_keyboardAnchorPos = keyboardAnchorPos(index);
 346         } else {
 347             const qreal currentItemTop = m_view->itemRect(index).topLeft().y();
 348             const qreal height = m_view->geometry().height();
 349
 350             // The new current item should be the last item in the current
 351             // column whose itemRect's bottom coordinate is smaller than targetY.
 352             const qreal targetY = currentItemTop + height;
 353
 354             updateKeyboardAnchor();
 355             int newIndex = nextRowIndex(index);
 356             do {
 357                 index = newIndex;
 358                 updateKeyboardAnchor();
 359                 newIndex = nextRowIndex(index);
 360             } while (m_view->itemRect(newIndex).bottomLeft().y() < targetY && newIndex != index);
 361         }
 362         break;
 363
 364     case Qt::Key_Enter:
 365     case Qt::Key_Return: {
 366         const QSet<int> selectedItems = m_selectionManager->selectedItems();
 367         if (selectedItems.count() >= 2) {
 368             emit itemsActivated(selectedItems);
 369         } else if (selectedItems.count() == 1) {
 370             emit itemActivated(selectedItems.toList().first());
 371         } else {
 372             emit itemActivated(index);
 373         }
 374         break;
 375     }
 376
 377     case Qt::Key_Space:
 378         if (m_selectionBehavior == MultiSelection) {
 379             if (controlPressed) {
 380                 m_selectionManager->endAnchoredSelection();
 381                 m_selectionManager->setSelected(index, 1, KItemListSelectionManager::Toggle);
 382                 m_selectionManager->beginAnchoredSelection(index);
 383             } else {
 384                 const int current = m_selectionManager->currentItem();
 385                 m_selectionManager->setSelected(current);
 386             }
 387         }
 388         break;
 389
 390     case Qt::Key_Menu: {
 391         // Emit the signal itemContextMenuRequested() in case if at least one
 392         // item is selected. Otherwise the signal viewContextMenuRequested() will be emitted.
 393         const QSet<int> selectedItems = m_selectionManager->selectedItems();
 394         int index = -1;
 395         if (selectedItems.count() >= 2) {
 396             const int currentItemIndex = m_selectionManager->currentItem();
 397             index = selectedItems.contains(currentItemIndex)
 398                     ? currentItemIndex : selectedItems.toList().first();
 399         } else if (selectedItems.count() == 1) {
 400             index = selectedItems.toList().first();
 401         }
 402
 403         if (index >= 0) {
 404             const QRectF contextRect = m_view->itemContextRect(index);
 405             const QPointF pos(m_view->scene()->views().first()->mapToGlobal(contextRect.bottomRight().toPoint()));
 406             emit itemContextMenuRequested(index, pos);
 407         } else {
 408             emit viewContextMenuRequested(QCursor::pos());
 409         }
 410         break;
 411     }
 412
 413     case Qt::Key_Escape:
 414         if (m_selectionBehavior != SingleSelection) {
 415             m_selectionManager->clearSelection();
 416         }
 417         m_keyboardManager->cancelSearch();
 418         break;
 419
 420     default:
 421         m_keyboardManager->addKeys(event->text());
 422         return false;
 423     }
 424
 425     if (m_selectionManager->currentItem() != index) {
 426         switch (m_selectionBehavior) {
 427         case NoSelection:
 428             m_selectionManager->setCurrentItem(index);
 429             break;
 430
 431         case SingleSelection:
 432             m_selectionManager->setCurrentItem(index);
 433             m_selectionManager->clearSelection();
 434             m_selectionManager->setSelected(index, 1);
 435             break;
 436
 437         case MultiSelection:
 438             if (controlPressed) {
 439                 m_selectionManager->endAnchoredSelection();
 440             }
 441
 442             m_selectionManager->setCurrentItem(index);
 443
 444             if (!shiftOrControlPressed) {
 445                 m_selectionManager->clearSelection();
 446                 m_selectionManager->setSelected(index, 1);
 447             }
 448
 449             if (!shiftPressed) {
 450                 m_selectionManager->beginAnchoredSelection(index);
 451             }
 452             break;
 453         }
 454
 455         m_view->scrollToItem(index);
 456     }
 457     return true;
 458 }
 459
 460 void KItemListController::slotChangeCurrentItem(const QString& text, bool searchFromNextItem)
 461 {
 462     if (!m_model || m_model->count() == 0) {
 463         return;
 464     }
 465     const int currentIndex = m_selectionManager->currentItem();
 466     int index;
 467     if (searchFromNextItem) {
 468         index = m_model->indexForKeyboardSearch(text, (currentIndex + 1) % m_model->count());
 469     } else {
 470         index = m_model->indexForKeyboardSearch(text, currentIndex);
 471     }
 472     if (index >= 0) {
 473         m_selectionManager->setCurrentItem(index);
 474         m_selectionManager->clearSelection();
 475         m_selectionManager->setSelected(index, 1);
 476         m_selectionManager->beginAnchoredSelection(index);
 477         m_view->scrollToItem(index);
 478     }
 479 }
 480
 481 void KItemListController::slotAutoActivationTimeout()
 482 {
 483     if (!m_model || !m_view) {
 484         return;
 485     }
 486
 487     const int index = m_autoActivationTimer->property("index").toInt();
 488     if (index < 0 || index >= m_model->count()) {
 489         return;
 490     }
 491
 492     /* m_view->isUnderMouse() fixes a bug in the Folder-View-Panel and in the
 493      * Places-Panel.
 494      *
 495      * Bug: When you drag a file onto a Folder-View-Item or a Places-Item and
 496      * then move away before the auto-activation timeout triggers, than the
 497      * item still becomes activated/expanded.
 498      *
 499      * See Bug 293200 and 305783
 500      */
 501     if (m_model->supportsDropping(index) && m_view->isUnderMouse()) {
 502         if (m_view->supportsItemExpanding() && m_model->isExpandable(index)) {
 503             const bool expanded = m_model->isExpanded(index);
 504             m_model->setExpanded(index, !expanded);
 505         } else if (m_autoActivationBehavior != ExpansionOnly) {
 506             emit itemActivated(index);
 507         }
 508     }
 509 }
 510
 511 bool KItemListController::inputMethodEvent(QInputMethodEvent* event)
 512 {
 513     Q_UNUSED(event);
 514     return false;
 515 }
 516
 517 bool KItemListController::mousePressEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform)
 518 {
 519     if (!m_view) {
 520         return false;
 521     }
 522
 523     m_pressedMousePos = transform.map(event->pos());
 524     m_pressedIndex = m_view->itemAt(m_pressedMousePos);
 525     emit mouseButtonPressed(m_pressedIndex, event->buttons());
 526
 527     if (m_view->isAboveExpansionToggle(m_pressedIndex, m_pressedMousePos)) {
 528         m_selectionManager->endAnchoredSelection();
 529         m_selectionManager->setCurrentItem(m_pressedIndex);
 530         m_selectionManager->beginAnchoredSelection(m_pressedIndex);
 531         return true;
 532     }
 533
 534     m_selectionTogglePressed = m_view->isAboveSelectionToggle(m_pressedIndex, m_pressedMousePos);
 535     if (m_selectionTogglePressed) {
 536         m_selectionManager->setSelected(m_pressedIndex, 1, KItemListSelectionManager::Toggle);
 537         // The previous anchored selection has been finished already in
 538         // KItemListSelectionManager::setSelected(). We can safely change
 539         // the current item and start a new anchored selection now.
 540         m_selectionManager->setCurrentItem(m_pressedIndex);
 541         m_selectionManager->beginAnchoredSelection(m_pressedIndex);
 542         return true;
 543     }
 544
 545     const bool shiftPressed = event->modifiers() & Qt::ShiftModifier;
 546     const bool controlPressed = event->modifiers() & Qt::ControlModifier;
 547
 548     // The previous selection is cleared if either
 549     // 1. The selection mode is SingleSelection, or
 550     // 2. the selection mode is MultiSelection, and *none* of the following conditions are met:
 551     //    a) Shift or Control are pressed.
 552     //    b) The clicked item is selected already. In that case, the user might want to:
 553     //       - start dragging multiple items, or
 554     //       - open the context menu and perform an action for all selected items.
 555     const bool shiftOrControlPressed = shiftPressed || controlPressed;
 556     const bool pressedItemAlreadySelected = m_pressedIndex >= 0 && m_selectionManager->isSelected(m_pressedIndex);
 557     const bool clearSelection = m_selectionBehavior == SingleSelection ||
 558                                 (!shiftOrControlPressed && !pressedItemAlreadySelected);
 559     if (clearSelection) {
 560         m_selectionManager->clearSelection();
 561     } else if (pressedItemAlreadySelected && !shiftOrControlPressed && (event->buttons() & Qt::LeftButton)) {
 562         // The user might want to start dragging multiple items, but if he clicks the item
 563         // in order to trigger it instead, the other selected items must be deselected.
 564         // However, we do not know yet what the user is going to do.
 565         // -> remember that the user pressed an item which had been selected already and
 566         //    clear the selection in mouseReleaseEvent(), unless the items are dragged.
 567         m_clearSelectionIfItemsAreNotDragged = true;
 568     }
 569
 570     if (!shiftPressed) {
 571         // Finish the anchored selection before the current index is changed
 572         m_selectionManager->endAnchoredSelection();
 573     }
 574
 575     if (m_pressedIndex >= 0) {
 576         m_selectionManager->setCurrentItem(m_pressedIndex);
 577
 578         switch (m_selectionBehavior) {
 579         case NoSelection:
 580             break;
 581
 582         case SingleSelection:
 583             m_selectionManager->setSelected(m_pressedIndex);
 584             break;
 585
 586         case MultiSelection:
 587             if (controlPressed && !shiftPressed) {
 588                 m_selectionManager->setSelected(m_pressedIndex, 1, KItemListSelectionManager::Toggle);
 589                 m_selectionManager->beginAnchoredSelection(m_pressedIndex);
 590             } else if (!shiftPressed || !m_selectionManager->isAnchoredSelectionActive()) {
 591                 // Select the pressed item and start a new anchored selection
 592                 m_selectionManager->setSelected(m_pressedIndex, 1, KItemListSelectionManager::Select);
 593                 m_selectionManager->beginAnchoredSelection(m_pressedIndex);
 594             }
 595             break;
 596
 597         default:
 598             Q_ASSERT(false);
 599             break;
 600         }
 601
 602         if (event->buttons() & Qt::RightButton) {
 603             emit itemContextMenuRequested(m_pressedIndex, event->screenPos());
 604         }
 605
 606         return true;
 607     }
 608
 609     if (event->buttons() & Qt::RightButton) {
 610         const QRectF headerBounds = m_view->headerBoundaries();
 611         if (headerBounds.contains(event->pos())) {
 612             emit headerContextMenuRequested(event->screenPos());
 613         } else {
 614             emit viewContextMenuRequested(event->screenPos());
 615         }
 616         return true;
 617     }
 618
 619     if (m_selectionBehavior == MultiSelection) {
 620         QPointF startPos = m_pressedMousePos;
 621         if (m_view->scrollOrientation() == Qt::Vertical) {
 622             startPos.ry() += m_view->scrollOffset();
 623             if (m_view->itemSize().width() < 0) {
 624                 // Use a special rubberband for views that have only one column and
 625                 // expand the rubberband to use the whole width of the view.
 626                 startPos.setX(0);
 627             }
 628         } else {
 629             startPos.rx() += m_view->scrollOffset();
 630         }
 631
 632         m_oldSelection = m_selectionManager->selectedItems();
 633         KItemListRubberBand* rubberBand = m_view->rubberBand();
 634         rubberBand->setStartPosition(startPos);
 635         rubberBand->setEndPosition(startPos);
 636         rubberBand->setActive(true);
 637         connect(rubberBand, SIGNAL(endPositionChanged(QPointF,QPointF)), this, SLOT(slotRubberBandChanged()));
 638         m_view->setAutoScroll(true);
 639     }
 640
 641     return false;
 642 }
 643
 644 bool KItemListController::mouseMoveEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform)
 645 {
 646     if (!m_view) {
 647         return false;
 648     }
 649
 650     if (m_pressedIndex >= 0) {
 651         // Check whether a dragging should be started
 652         if (event->buttons() & Qt::LeftButton) {
 653             const QPointF pos = transform.map(event->pos());
 654             if ((pos - m_pressedMousePos).manhattanLength() >= QApplication::startDragDistance()) {
 655                 if (!m_selectionManager->isSelected(m_pressedIndex)) {
 656                     // Always assure that the dragged item gets selected. Usually this is already
 657                     // done on the mouse-press event, but when using the selection-toggle on a
 658                     // selected item the dragged item is not selected yet.
 659                     m_selectionManager->setSelected(m_pressedIndex, 1, KItemListSelectionManager::Toggle);
 660                 } else {
 661                     // A selected item has been clicked to drag all selected items
 662                     // -> the selection should not be cleared when the mouse button is released.
 663                     m_clearSelectionIfItemsAreNotDragged = false;
 664                 }
 665
 666                 startDragging();
 667             }
 668         }
 669     } else {
 670         KItemListRubberBand* rubberBand = m_view->rubberBand();
 671         if (rubberBand->isActive()) {
 672             QPointF endPos = transform.map(event->pos());
 673
 674             // Update the current item.
 675             const int newCurrent = m_view->itemAt(endPos);
 676             if (newCurrent >= 0) {
 677                 // It's expected that the new current index is also the new anchor (bug 163451).
 678                 m_selectionManager->endAnchoredSelection();
 679                 m_selectionManager->setCurrentItem(newCurrent);
 680                 m_selectionManager->beginAnchoredSelection(newCurrent);
 681             }
 682
 683             if (m_view->scrollOrientation() == Qt::Vertical) {
 684                 endPos.ry() += m_view->scrollOffset();
 685                 if (m_view->itemSize().width() < 0) {
 686                     // Use a special rubberband for views that have only one column and
 687                     // expand the rubberband to use the whole width of the view.
 688                     endPos.setX(m_view->size().width());
 689                 }
 690             } else {
 691                 endPos.rx() += m_view->scrollOffset();
 692             }
 693             rubberBand->setEndPosition(endPos);
 694         }
 695     }
 696
 697     return false;
 698 }
 699
 700 bool KItemListController::mouseReleaseEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform)
 701 {
 702     if (!m_view) {
 703         return false;
 704     }
 705
 706     emit mouseButtonReleased(m_pressedIndex, event->buttons());
 707
 708     const bool isAboveSelectionToggle = m_view->isAboveSelectionToggle(m_pressedIndex, m_pressedMousePos);
 709     if (isAboveSelectionToggle) {
 710         m_selectionTogglePressed = false;
 711         return true;
 712     }
 713
 714     if (!isAboveSelectionToggle && m_selectionTogglePressed) {
 715         m_selectionManager->setSelected(m_pressedIndex, 1, KItemListSelectionManager::Toggle);
 716         m_selectionTogglePressed = false;
 717         return true;
 718     }
 719
 720     const bool shiftOrControlPressed = event->modifiers() & Qt::ShiftModifier ||
 721                                        event->modifiers() & Qt::ControlModifier;
 722
 723     KItemListRubberBand* rubberBand = m_view->rubberBand();
 724     if (rubberBand->isActive()) {
 725         disconnect(rubberBand, SIGNAL(endPositionChanged(QPointF,QPointF)), this, SLOT(slotRubberBandChanged()));
 726         rubberBand->setActive(false);
 727         m_oldSelection.clear();
 728         m_view->setAutoScroll(false);
 729     }
 730
 731     const QPointF pos = transform.map(event->pos());
 732     const int index = m_view->itemAt(pos);
 733
 734     if (index >= 0 && index == m_pressedIndex) {
 735         // The release event is done above the same item as the press event
 736
 737         if (m_clearSelectionIfItemsAreNotDragged) {
 738             // A selected item has been clicked, but no drag operation has been started
 739             // -> clear the rest of the selection.
 740             m_selectionManager->clearSelection();
 741             m_selectionManager->setSelected(m_pressedIndex, 1, KItemListSelectionManager::Select);
 742             m_selectionManager->beginAnchoredSelection(m_pressedIndex);
 743         }
 744
 745         if (event->button() & Qt::LeftButton) {
 746             bool emitItemActivated = true;
 747             if (m_view->isAboveExpansionToggle(index, pos)) {
 748                 const bool expanded = m_model->isExpanded(index);
 749                 m_model->setExpanded(index, !expanded);
 750
 751                 emit itemExpansionToggleClicked(index);
 752                 emitItemActivated = false;
 753             } else if (shiftOrControlPressed) {
 754                 // The mouse click should only update the selection, not trigger the item
 755                 emitItemActivated = false;
 756             } else if (!m_singleClickActivation) {
 757                 emitItemActivated = false;
 758             }
 759             if (emitItemActivated) {
 760                 emit itemActivated(index);
 761             }
 762         } else if (event->button() & Qt::MidButton) {
 763             emit itemMiddleClicked(index);
 764         }
 765     }
 766
 767     m_pressedMousePos = QPointF();
 768     m_pressedIndex = -1;
 769     m_clearSelectionIfItemsAreNotDragged = false;
 770     return false;
 771 }
 772
 773 bool KItemListController::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event, const QTransform& transform)
 774 {
 775     const QPointF pos = transform.map(event->pos());
 776     const int index = m_view->itemAt(pos);
 777
 778     // Expand item if desired - See Bug 295573
 779     if (m_mouseDoubleClickAction != ActivateItemOnly) {
 780         if (m_view && m_model && m_view->supportsItemExpanding() && m_model->isExpandable(index)) {
 781             const bool expanded = m_model->isExpanded(index);
 782             m_model->setExpanded(index, !expanded);
 783         }
 784     }
 785
 786     bool emitItemActivated = !m_singleClickActivation &&
 787                              (event->button() & Qt::LeftButton) &&
 788                              index >= 0 && index < m_model->count();
 789     if (emitItemActivated) {
 790         emit itemActivated(index);
 791     }
 792     return false;
 793 }
 794
 795 bool KItemListController::dragEnterEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform)
 796 {
 797     Q_UNUSED(event);
 798     Q_UNUSED(transform);
 799     return false;
 800 }
 801
 802 bool KItemListController::dragLeaveEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform)
 803 {
 804     Q_UNUSED(event);
 805     Q_UNUSED(transform);
 806
 807     m_view->setAutoScroll(false);
 808     m_view->hideDropIndicator();
 809
 810     KItemListWidget* widget = hoveredWidget();
 811     if (widget) {
 812         widget->setHovered(false);
 813         emit itemUnhovered(widget->index());
 814     }
 815     return false;
 816 }
 817
 818 bool KItemListController::dragMoveEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform)
 819 {
 820     if (!m_model || !m_view) {
 821         return false;
 822     }
 823
 824     event->acceptProposedAction();
 825
 826     KItemListWidget* oldHoveredWidget = hoveredWidget();
 827
 828     const QPointF pos = transform.map(event->pos());
 829     KItemListWidget* newHoveredWidget = widgetForPos(pos);
 830
 831     if (oldHoveredWidget != newHoveredWidget) {
 832         m_autoActivationTimer->stop();
 833
 834         if (oldHoveredWidget) {
 835             oldHoveredWidget->setHovered(false);
 836             emit itemUnhovered(oldHoveredWidget->index());
 837         }
 838
 839         if (newHoveredWidget) {
 840             bool droppingBetweenItems = false;
 841             if (m_model->sortRole().isEmpty()) {
 842                 // The model supports inserting items between other items.
 843                 droppingBetweenItems = (m_view->showDropIndicator(pos) >= 0);
 844             }
 845
 846             const int index = newHoveredWidget->index();
 847             if (!droppingBetweenItems && m_model->supportsDropping(index)) {
 848                 // Something has been dragged on an item.
 849                 m_view->hideDropIndicator();
 850                 newHoveredWidget->setHovered(true);
 851                 emit itemHovered(index);
 852
 853                 if (m_autoActivationTimer->interval() >= 0) {
 854                     m_autoActivationTimer->setProperty("index", index);
 855                     m_autoActivationTimer->start();
 856                 }
 857             }
 858         }
 859     }
 860
 861     return false;
 862 }
 863
 864 bool KItemListController::dropEvent(QGraphicsSceneDragDropEvent* event, const QTransform& transform)
 865 {
 866     if (!m_view) {
 867         return false;
 868     }
 869
 870     m_autoActivationTimer->stop();
 871     m_view->setAutoScroll(false);
 872
 873     const QPointF pos = transform.map(event->pos());
 874
 875     int dropAboveIndex = -1;
 876     if (m_model->sortRole().isEmpty()) {
 877         // The model supports inserting of items between other items.
 878         dropAboveIndex = m_view->showDropIndicator(pos);
 879     }
 880
 881     if (dropAboveIndex >= 0) {
 882         // Something has been dropped between two items.
 883         m_view->hideDropIndicator();
 884         emit aboveItemDropEvent(dropAboveIndex, event);
 885     } else {
 886         // Something has been dropped on an item or on an empty part of the view.
 887         emit itemDropEvent(m_view->itemAt(pos), event);
 888     }
 889
 890     return true;
 891 }
 892
 893 bool KItemListController::hoverEnterEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform)
 894 {
 895     Q_UNUSED(event);
 896     Q_UNUSED(transform);
 897     return false;
 898 }
 899
 900 bool KItemListController::hoverMoveEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform)
 901 {
 902     Q_UNUSED(transform);
 903     if (!m_model || !m_view) {
 904         return false;
 905     }
 906
 907     KItemListWidget* oldHoveredWidget = hoveredWidget();
 908     const QPointF pos = transform.map(event->pos());
 909     KItemListWidget* newHoveredWidget = widgetForPos(pos);
 910
 911     if (oldHoveredWidget != newHoveredWidget) {
 912         if (oldHoveredWidget) {
 913             oldHoveredWidget->setHovered(false);
 914             emit itemUnhovered(oldHoveredWidget->index());
 915         }
 916
 917         if (newHoveredWidget) {
 918             newHoveredWidget->setHovered(true);
 919             emit itemHovered(newHoveredWidget->index());
 920         }
 921     }
 922
 923     return false;
 924 }
 925
 926 bool KItemListController::hoverLeaveEvent(QGraphicsSceneHoverEvent* event, const QTransform& transform)
 927 {
 928     Q_UNUSED(event);
 929     Q_UNUSED(transform);
 930
 931     if (!m_model || !m_view) {
 932         return false;
 933     }
 934
 935     foreach (KItemListWidget* widget, m_view->visibleItemListWidgets()) {
 936         if (widget->isHovered()) {
 937             widget->setHovered(false);
 938             emit itemUnhovered(widget->index());
 939         }
 940     }
 941     return false;
 942 }
 943
 944 bool KItemListController::wheelEvent(QGraphicsSceneWheelEvent* event, const QTransform& transform)
 945 {
 946     Q_UNUSED(event);
 947     Q_UNUSED(transform);
 948     return false;
 949 }
 950
 951 bool KItemListController::resizeEvent(QGraphicsSceneResizeEvent* event, const QTransform& transform)
 952 {
 953     Q_UNUSED(event);
 954     Q_UNUSED(transform);
 955     return false;
 956 }
 957
 958 bool KItemListController::processEvent(QEvent* event, const QTransform& transform)
 959 {
 960     if (!event) {
 961         return false;
 962     }
 963
 964     switch (event->type()) {
 965     case QEvent::KeyPress:
 966         return keyPressEvent(static_cast<QKeyEvent*>(event));
 967     case QEvent::InputMethod:
 968         return inputMethodEvent(static_cast<QInputMethodEvent*>(event));
 969     case QEvent::GraphicsSceneMousePress:
 970         return mousePressEvent(static_cast<QGraphicsSceneMouseEvent*>(event), QTransform());
 971     case QEvent::GraphicsSceneMouseMove:
 972         return mouseMoveEvent(static_cast<QGraphicsSceneMouseEvent*>(event), QTransform());
 973     case QEvent::GraphicsSceneMouseRelease:
 974         return mouseReleaseEvent(static_cast<QGraphicsSceneMouseEvent*>(event), QTransform());
 975     case QEvent::GraphicsSceneMouseDoubleClick:
 976         return mouseDoubleClickEvent(static_cast<QGraphicsSceneMouseEvent*>(event), QTransform());
 977     case QEvent::GraphicsSceneWheel:
 978          return wheelEvent(static_cast<QGraphicsSceneWheelEvent*>(event), QTransform());
 979     case QEvent::GraphicsSceneDragEnter:
 980         return dragEnterEvent(static_cast<QGraphicsSceneDragDropEvent*>(event), QTransform());
 981     case QEvent::GraphicsSceneDragLeave:
 982         return dragLeaveEvent(static_cast<QGraphicsSceneDragDropEvent*>(event), QTransform());
 983     case QEvent::GraphicsSceneDragMove:
 984         return dragMoveEvent(static_cast<QGraphicsSceneDragDropEvent*>(event), QTransform());
 985     case QEvent::GraphicsSceneDrop:
 986         return dropEvent(static_cast<QGraphicsSceneDragDropEvent*>(event), QTransform());
 987     case QEvent::GraphicsSceneHoverEnter:
 988         return hoverEnterEvent(static_cast<QGraphicsSceneHoverEvent*>(event), QTransform());
 989     case QEvent::GraphicsSceneHoverMove:
 990         return hoverMoveEvent(static_cast<QGraphicsSceneHoverEvent*>(event), QTransform());
 991     case QEvent::GraphicsSceneHoverLeave:
 992         return hoverLeaveEvent(static_cast<QGraphicsSceneHoverEvent*>(event), QTransform());
 993     case QEvent::GraphicsSceneResize:
 994         return resizeEvent(static_cast<QGraphicsSceneResizeEvent*>(event), transform);
 995     default:
 996         break;
 997     }
 998
 999     return false;
1000 }
1001
1002 void KItemListController::slotViewScrollOffsetChanged(qreal current, qreal previous)
1003 {
1004     if (!m_view) {
1005         return;
1006     }
1007
1008     KItemListRubberBand* rubberBand = m_view->rubberBand();
1009     if (rubberBand->isActive()) {
1010         const qreal diff = current - previous;
1011         // TODO: Ideally just QCursor::pos() should be used as
1012         // new end-position but it seems there is no easy way
1013         // to have something like QWidget::mapFromGlobal() for QGraphicsWidget
1014         // (... or I just missed an easy way to do the mapping)
1015         QPointF endPos = rubberBand->endPosition();
1016         if (m_view->scrollOrientation() == Qt::Vertical) {
1017             endPos.ry() += diff;
1018         } else {
1019             endPos.rx() += diff;
1020         }
1021
1022         rubberBand->setEndPosition(endPos);
1023     }
1024 }
1025
1026 void KItemListController::slotRubberBandChanged()
1027 {
1028     if (!m_view || !m_model || m_model->count() <= 0) {
1029         return;
1030     }
1031
1032     const KItemListRubberBand* rubberBand = m_view->rubberBand();
1033     const QPointF startPos = rubberBand->startPosition();
1034     const QPointF endPos = rubberBand->endPosition();
1035     QRectF rubberBandRect = QRectF(startPos, endPos).normalized();
1036
1037     const bool scrollVertical = (m_view->scrollOrientation() == Qt::Vertical);
1038     if (scrollVertical) {
1039         rubberBandRect.translate(0, -m_view->scrollOffset());
1040     } else {
1041         rubberBandRect.translate(-m_view->scrollOffset(), 0);
1042     }
1043
1044     if (!m_oldSelection.isEmpty()) {
1045         // Clear the old selection that was available before the rubberband has
1046         // been activated in case if no Shift- or Control-key are pressed
1047         const bool shiftOrControlPressed = QApplication::keyboardModifiers() & Qt::ShiftModifier ||
1048                                            QApplication::keyboardModifiers() & Qt::ControlModifier;
1049         if (!shiftOrControlPressed) {
1050             m_oldSelection.clear();
1051         }
1052     }
1053
1054     QSet<int> selectedItems;
1055
1056     // Select all visible items that intersect with the rubberband
1057     foreach (const KItemListWidget* widget, m_view->visibleItemListWidgets()) {
1058         const int index = widget->index();
1059
1060         const QRectF widgetRect = m_view->itemRect(index);
1061         if (widgetRect.intersects(rubberBandRect)) {
1062             const QRectF iconRect = widget->iconRect().translated(widgetRect.topLeft());
1063             const QRectF textRect = widget->textRect().translated(widgetRect.topLeft());
1064             if (iconRect.intersects(rubberBandRect) || textRect.intersects(rubberBandRect)) {
1065                 selectedItems.insert(index);
1066             }
1067         }
1068     }
1069
1070     // Select all invisible items that intersect with the rubberband. Instead of
1071     // iterating all items only the area which might be touched by the rubberband
1072     // will be checked.
1073     const bool increaseIndex = scrollVertical ?
1074                                startPos.y() > endPos.y(): startPos.x() > endPos.x();
1075
1076     int index = increaseIndex ? m_view->lastVisibleIndex() + 1 : m_view->firstVisibleIndex() - 1;
1077     bool selectionFinished = false;
1078     do {
1079         const QRectF widgetRect = m_view->itemRect(index);
1080         if (widgetRect.intersects(rubberBandRect)) {
1081             selectedItems.insert(index);
1082         }
1083
1084         if (increaseIndex) {
1085             ++index;
1086             selectionFinished = (index >= m_model->count()) ||
1087                                 ( scrollVertical && widgetRect.top()  > rubberBandRect.bottom()) ||
1088                                 (!scrollVertical && widgetRect.left() > rubberBandRect.right());
1089         } else {
1090             --index;
1091             selectionFinished = (index < 0) ||
1092                                 ( scrollVertical && widgetRect.bottom() < rubberBandRect.top()) ||
1093                                 (!scrollVertical && widgetRect.right()  < rubberBandRect.left());
1094         }
1095     } while (!selectionFinished);
1096
1097     if (QApplication::keyboardModifiers() & Qt::ControlModifier) {
1098         // If Control is pressed, the selection state of all items in the rubberband is toggled.
1099         // Therefore, the new selection contains:
1100         // 1. All previously selected items which are not inside the rubberband, and
1101         // 2. all items inside the rubberband which have not been selected previously.
1102         m_selectionManager->setSelectedItems((m_oldSelection - selectedItems) + (selectedItems - m_oldSelection));
1103     }
1104     else {
1105         m_selectionManager->setSelectedItems(selectedItems + m_oldSelection);
1106     }
1107 }
1108
1109 void KItemListController::startDragging()
1110 {
1111     if (!m_view || !m_model) {
1112         return;
1113     }
1114
1115     const QSet<int> selectedItems = m_selectionManager->selectedItems();
1116     if (selectedItems.isEmpty()) {
1117         return;
1118     }
1119
1120     QMimeData* data = m_model->createMimeData(selectedItems);
1121     if (!data) {
1122         return;
1123     }
1124
1125     // The created drag object will be owned and deleted
1126     // by QApplication::activeWindow().
1127     QDrag* drag = new QDrag(QApplication::activeWindow());
1128     drag->setMimeData(data);
1129
1130     const QPixmap pixmap = m_view->createDragPixmap(selectedItems);
1131     drag->setPixmap(pixmap);
1132
1133     const QPoint hotSpot(pixmap.width() / 2, 0);
1134     drag->setHotSpot(hotSpot);
1135
1136     drag->exec(Qt::MoveAction | Qt::CopyAction | Qt::LinkAction, Qt::CopyAction);
1137 }
1138
1139 KItemListWidget* KItemListController::hoveredWidget() const
1140 {
1141     Q_ASSERT(m_view);
1142
1143     foreach (KItemListWidget* widget, m_view->visibleItemListWidgets()) {
1144         if (widget->isHovered()) {
1145             return widget;
1146         }
1147     }
1148
1149     return 0;
1150 }
1151
1152 KItemListWidget* KItemListController::widgetForPos(const QPointF& pos) const
1153 {
1154     Q_ASSERT(m_view);
1155
1156     foreach (KItemListWidget* widget, m_view->visibleItemListWidgets()) {
1157         const QPointF mappedPos = widget->mapFromItem(m_view, pos);
1158
1159         const bool hovered = widget->contains(mappedPos) &&
1160                              !widget->expansionToggleRect().contains(mappedPos);
1161         if (hovered) {
1162             return widget;
1163         }
1164     }
1165
1166     return 0;
1167 }
1168
1169 void KItemListController::updateKeyboardAnchor()
1170 {
1171     const bool validAnchor = m_keyboardAnchorIndex >= 0 &&
1172                              m_keyboardAnchorIndex < m_model->count() &&
1173                              keyboardAnchorPos(m_keyboardAnchorIndex) == m_keyboardAnchorPos;
1174     if (!validAnchor) {
1175         const int index = m_selectionManager->currentItem();
1176         m_keyboardAnchorIndex = index;
1177         m_keyboardAnchorPos = keyboardAnchorPos(index);
1178     }
1179 }
1180
1181 int KItemListController::nextRowIndex(int index) const
1182 {
1183     if (m_keyboardAnchorIndex < 0) {
1184         return index;
1185     }
1186
1187     const int maxIndex = m_model->count() - 1;
1188     if (index == maxIndex) {
1189         return index;
1190     }
1191
1192     // Calculate the index of the last column inside the row of the current index
1193     int lastColumnIndex = index;
1194     while (keyboardAnchorPos(lastColumnIndex + 1) > keyboardAnchorPos(lastColumnIndex)) {
1195         ++lastColumnIndex;
1196         if (lastColumnIndex >= maxIndex) {
1197             return index;
1198         }
1199     }
1200
1201     // Based on the last column index go to the next row and calculate the nearest index
1202     // that is below the current index
1203     int nextRowIndex = lastColumnIndex + 1;
1204     int searchIndex = nextRowIndex;
1205     qreal minDiff = qAbs(m_keyboardAnchorPos - keyboardAnchorPos(nextRowIndex));
1206     while (searchIndex < maxIndex && keyboardAnchorPos(searchIndex + 1) > keyboardAnchorPos(searchIndex)) {
1207         ++searchIndex;
1208         const qreal searchDiff = qAbs(m_keyboardAnchorPos - keyboardAnchorPos(searchIndex));
1209         if (searchDiff < minDiff) {
1210             minDiff = searchDiff;
1211             nextRowIndex = searchIndex;
1212         }
1213     }
1214
1215     return nextRowIndex;
1216 }
1217
1218 int KItemListController::previousRowIndex(int index) const
1219 {
1220     if (m_keyboardAnchorIndex < 0 || index == 0) {
1221         return index;
1222     }
1223
1224     // Calculate the index of the first column inside the row of the current index
1225     int firstColumnIndex = index;
1226     while (keyboardAnchorPos(firstColumnIndex - 1) < keyboardAnchorPos(firstColumnIndex)) {
1227         --firstColumnIndex;
1228         if (firstColumnIndex <= 0) {
1229             return index;
1230         }
1231     }
1232
1233     // Based on the first column index go to the previous row and calculate the nearest index
1234     // that is above the current index
1235     int previousRowIndex = firstColumnIndex - 1;
1236     int searchIndex = previousRowIndex;
1237     qreal minDiff = qAbs(m_keyboardAnchorPos - keyboardAnchorPos(previousRowIndex));
1238     while (searchIndex > 0 && keyboardAnchorPos(searchIndex - 1) < keyboardAnchorPos(searchIndex)) {
1239         --searchIndex;
1240         const qreal searchDiff = qAbs(m_keyboardAnchorPos - keyboardAnchorPos(searchIndex));
1241         if (searchDiff < minDiff) {
1242             minDiff = searchDiff;
1243             previousRowIndex = searchIndex;
1244         }
1245     }
1246
1247     return previousRowIndex;
1248 }
1249
1250 qreal KItemListController::keyboardAnchorPos(int index) const
1251 {
1252     const QRectF itemRect = m_view->itemRect(index);
1253     if (!itemRect.isEmpty()) {
1254         return (m_view->scrollOrientation() == Qt::Vertical) ? itemRect.x() : itemRect.y();
1255     }
1256
1257     return 0;
1258 }
1259
1260 void KItemListController::updateExtendedSelectionRegion()
1261 {
1262     if (m_view) {
1263         const bool extend = (m_selectionBehavior != MultiSelection);
1264         KItemListStyleOption option = m_view->styleOption();
1265         if (option.extendedSelectionRegion != extend) {
1266             option.extendedSelectionRegion = extend;
1267             m_view->setStyleOption(option);
1268         }
1269     }
1270 }
1271
1272 #include "kitemlistcontroller.moc"