src/kitemviews/kstandarditemlistwidget.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2012 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "kstandarditemlistwidget.h"
  21
  22 #include "kfileitemlistview.h"
  23 #include "kfileitemmodel.h"
  24
  25 #include <KIcon>
  26 #include <KIconEffect>
  27 #include <KIconLoader>
  28 #include <KLocale>
  29 #include <kratingpainter.h>
  30 #include <KStringHandler>
  31 #include <KDebug>
  32
  33 #include "private/kfileitemclipboard.h"
  34 #include "private/kitemlistroleeditor.h"
  35 #include "private/kpixmapmodifier.h"
  36
  37 #include <QFontMetricsF>
  38 #include <QGraphicsScene>
  39 #include <QGraphicsSceneResizeEvent>
  40 #include <QGraphicsView>
  41 #include <QPainter>
  42 #include <QStyleOption>
  43 #include <QTextLayout>
  44 #include <QTextLine>
  45
  46 // #define KSTANDARDITEMLISTWIDGET_DEBUG
  47
  48 KStandardItemListWidgetInformant::KStandardItemListWidgetInformant() :
  49     KItemListWidgetInformant()
  50 {
  51 }
  52
  53 KStandardItemListWidgetInformant::~KStandardItemListWidgetInformant()
  54 {
  55 }
  56
  57 QSizeF KStandardItemListWidgetInformant::itemSizeHint(int index, const KItemListView* view) const
  58 {
  59     const QHash<QByteArray, QVariant> values = view->model()->data(index);
  60     const KItemListStyleOption& option = view->styleOption();
  61     const int additionalRolesCount = qMax(view->visibleRoles().count() - 1, 0);
  62
  63     switch (static_cast<const KStandardItemListView*>(view)->itemLayout()) {
  64     case KStandardItemListWidget::IconsLayout: {
  65         const QString text = KStringHandler::preProcessWrap(values["text"].toString());
  66
  67         const qreal itemWidth = view->itemSize().width();
  68         const qreal maxWidth = itemWidth - 2 * option.padding;
  69         QTextLine line;
  70
  71         // Calculate the number of lines required for wrapping the name
  72         QTextOption textOption(Qt::AlignHCenter);
  73         textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
  74
  75         qreal textHeight = 0;
  76         QTextLayout layout(text, option.font);
  77         layout.setTextOption(textOption);
  78         layout.beginLayout();
  79         while ((line = layout.createLine()).isValid()) {
  80             line.setLineWidth(maxWidth);
  81             line.naturalTextWidth();
  82             textHeight += line.height();
  83         }
  84         layout.endLayout();
  85
  86         // Add one line for each additional information
  87         textHeight += additionalRolesCount * option.fontMetrics.lineSpacing();
  88
  89         const qreal maxTextHeight = option.maxTextSize.height();
  90         if (maxTextHeight > 0 && textHeight > maxTextHeight) {
  91             textHeight = maxTextHeight;
  92         }
  93
  94         return QSizeF(itemWidth, textHeight + option.iconSize + option.padding * 3);
  95     }
  96
  97     case KStandardItemListWidget::CompactLayout: {
  98         // For each row exactly one role is shown. Calculate the maximum required width that is necessary
  99         // to show all roles without horizontal clipping.
 100         qreal maximumRequiredWidth = 0.0;
 101
 102         foreach (const QByteArray& role, view->visibleRoles()) {
 103             const QString text = roleText(role, values);
 104             const qreal requiredWidth = option.fontMetrics.width(text);
 105             maximumRequiredWidth = qMax(maximumRequiredWidth, requiredWidth);
 106         }
 107
 108         qreal width = option.padding * 4 + option.iconSize + maximumRequiredWidth;
 109         const qreal maxWidth = option.maxTextSize.width();
 110         if (maxWidth > 0 && width > maxWidth) {
 111             width = maxWidth;
 112         }
 113         const qreal height = option.padding * 2 + qMax(option.iconSize, (1 + additionalRolesCount) * option.fontMetrics.lineSpacing());
 114         return QSizeF(width, height);
 115     }
 116
 117     case KStandardItemListWidget::DetailsLayout: {
 118         const qreal height = option.padding * 2 + qMax(option.iconSize, option.fontMetrics.height());
 119         return QSizeF(-1, height);
 120     }
 121
 122     default:
 123         Q_ASSERT(false);
 124         break;
 125     }
 126
 127     return QSize();
 128 }
 129
 130 qreal KStandardItemListWidgetInformant::preferredRoleColumnWidth(const QByteArray& role,
 131                                                                  int index,
 132                                                                  const KItemListView* view) const
 133 {
 134     const QHash<QByteArray, QVariant> values = view->model()->data(index);
 135     const KItemListStyleOption& option = view->styleOption();
 136
 137     const QString text = roleText(role, values);
 138     qreal width = KStandardItemListWidget::columnPadding(option);
 139
 140     if (role == "rating") {
 141         width += KStandardItemListWidget::preferredRatingSize(option).width();
 142     } else {
 143         width += option.fontMetrics.width(text);
 144
 145         if (role == "text") {
 146             if (view->supportsItemExpanding()) {
 147                 // Increase the width by the expansion-toggle and the current expansion level
 148                 const int expandedParentsCount = values.value("expandedParentsCount", 0).toInt();
 149                 const qreal height = option.padding * 2 + qMax(option.iconSize, option.fontMetrics.height());
 150                 width += (expandedParentsCount + 1) * height;
 151             }
 152
 153             // Increase the width by the required space for the icon
 154             width += option.padding * 2 + option.iconSize;
 155         }
 156     }
 157
 158     return width;
 159 }
 160
 161 QString KStandardItemListWidgetInformant::roleText(const QByteArray& role,
 162                                                    const QHash<QByteArray, QVariant>& values) const
 163 {
 164     if (role == "rating") {
 165         // Always use an empty text, as the rating is shown by the image m_rating.
 166         return QString();
 167     }
 168     return values.value(role).toString();
 169 }
 170
 171 KStandardItemListWidget::KStandardItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent) :
 172     KItemListWidget(informant, parent),
 173     m_isCut(false),
 174     m_isHidden(false),
 175     m_customizedFont(),
 176     m_customizedFontMetrics(m_customizedFont),
 177     m_isExpandable(false),
 178     m_supportsItemExpanding(false),
 179     m_dirtyLayout(true),
 180     m_dirtyContent(true),
 181     m_dirtyContentRoles(),
 182     m_layout(IconsLayout),
 183     m_pixmapPos(),
 184     m_pixmap(),
 185     m_scaledPixmapSize(),
 186     m_iconRect(),
 187     m_hoverPixmap(),
 188     m_textInfo(),
 189     m_textRect(),
 190     m_sortedVisibleRoles(),
 191     m_expansionArea(),
 192     m_customTextColor(),
 193     m_additionalInfoTextColor(),
 194     m_overlay(),
 195     m_rating(),
 196     m_roleEditor(0)
 197 {
 198 }
 199
 200 KStandardItemListWidget::~KStandardItemListWidget()
 201 {
 202     qDeleteAll(m_textInfo);
 203     m_textInfo.clear();
 204
 205     delete m_roleEditor;
 206 }
 207
 208 void KStandardItemListWidget::setLayout(Layout layout)
 209 {
 210     if (m_layout != layout) {
 211         m_layout = layout;
 212         m_dirtyLayout = true;
 213         updateAdditionalInfoTextColor();
 214         update();
 215     }
 216 }
 217
 218 KStandardItemListWidget::Layout KStandardItemListWidget::layout() const
 219 {
 220     return m_layout;
 221 }
 222
 223 void KStandardItemListWidget::setSupportsItemExpanding(bool supportsItemExpanding)
 224 {
 225     if (m_supportsItemExpanding != supportsItemExpanding) {
 226         m_supportsItemExpanding = supportsItemExpanding;
 227         m_dirtyLayout = true;
 228         update();
 229     }
 230 }
 231
 232 bool KStandardItemListWidget::supportsItemExpanding() const
 233 {
 234     return m_supportsItemExpanding;
 235 }
 236
 237 void KStandardItemListWidget::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
 238 {
 239     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 240
 241     KItemListWidget::paint(painter, option, widget);
 242
 243     if (!m_expansionArea.isEmpty()) {
 244         drawSiblingsInformation(painter);
 245     }
 246
 247     const KItemListStyleOption& itemListStyleOption = styleOption();
 248     if (isHovered()) {
 249         // Blend the unhovered and hovered pixmap if the hovering
 250         // animation is ongoing
 251         if (hoverOpacity() < 1.0) {
 252             drawPixmap(painter, m_pixmap);
 253         }
 254
 255         const qreal opacity = painter->opacity();
 256         painter->setOpacity(hoverOpacity() * opacity);
 257         drawPixmap(painter, m_hoverPixmap);
 258         painter->setOpacity(opacity);
 259     } else {
 260         drawPixmap(painter, m_pixmap);
 261     }
 262
 263     painter->setFont(m_customizedFont);
 264     painter->setPen(m_isHidden ? m_additionalInfoTextColor : textColor());
 265     const TextInfo* textInfo = m_textInfo.value("text");
 266
 267     if (!textInfo) {
 268         // It seems that we can end up here even if m_textInfo does not contain
 269         // the key "text", see bug 306167. According to triggerCacheRefreshing(),
 270         // this can only happen if the index is negative. This can happen when
 271         // the item is about to be removed, see KItemListView::slotItemsRemoved().
 272         // TODO: try to reproduce the crash and find a better fix.
 273         return;
 274     }
 275
 276     painter->drawStaticText(textInfo->pos, textInfo->staticText);
 277
 278     bool clipAdditionalInfoBounds = false;
 279     if (m_supportsItemExpanding) {
 280         // Prevent a possible overlapping of the additional-information texts
 281         // with the icon. This can happen if the user has minimized the width
 282         // of the name-column to a very small value.
 283         const qreal minX = m_pixmapPos.x() + m_pixmap.width() + 4 * itemListStyleOption.padding;
 284         if (textInfo->pos.x() + columnWidth("text") > minX) {
 285             clipAdditionalInfoBounds = true;
 286             painter->save();
 287             painter->setClipRect(minX, 0, size().width() - minX, size().height(), Qt::IntersectClip);
 288         }
 289     }
 290
 291     painter->setPen(m_additionalInfoTextColor);
 292     painter->setFont(m_customizedFont);
 293
 294     for (int i = 1; i < m_sortedVisibleRoles.count(); ++i) {
 295         const TextInfo* textInfo = m_textInfo.value(m_sortedVisibleRoles[i]);
 296         painter->drawStaticText(textInfo->pos, textInfo->staticText);
 297     }
 298
 299     if (!m_rating.isNull()) {
 300         const TextInfo* ratingTextInfo = m_textInfo.value("rating");
 301         QPointF pos = ratingTextInfo->pos;
 302         const Qt::Alignment align = ratingTextInfo->staticText.textOption().alignment();
 303         if (align & Qt::AlignHCenter) {
 304             pos.rx() += (size().width() - m_rating.width()) / 2 - 2;
 305         }
 306         painter->drawPixmap(pos, m_rating);
 307     }
 308
 309     if (clipAdditionalInfoBounds) {
 310         painter->restore();
 311     }
 312
 313 #ifdef KSTANDARDITEMLISTWIDGET_DEBUG
 314     painter->setBrush(Qt::NoBrush);
 315     painter->setPen(Qt::green);
 316     painter->drawRect(m_iconRect);
 317
 318     painter->setPen(Qt::red);
 319     painter->drawText(QPointF(0, m_customizedFontMetrics.height()), QString::number(index()));
 320     painter->drawRect(rect());
 321 #endif
 322 }
 323
 324 QRectF KStandardItemListWidget::iconRect() const
 325 {
 326     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 327     return m_iconRect;
 328 }
 329
 330 QRectF KStandardItemListWidget::textRect() const
 331 {
 332     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 333     return m_textRect;
 334 }
 335
 336 QRectF KStandardItemListWidget::textFocusRect() const
 337 {
 338     // In the compact- and details-layout a larger textRect() is returned to be aligned
 339     // with the iconRect(). This is useful to have a larger selection/hover-area
 340     // when having a quite large icon size but only one line of text. Still the
 341     // focus rectangle should be shown as narrow as possible around the text.
 342
 343     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 344
 345     switch (m_layout) {
 346     case CompactLayout: {
 347         QRectF rect = m_textRect;
 348         const TextInfo* topText    = m_textInfo.value(m_sortedVisibleRoles.first());
 349         const TextInfo* bottomText = m_textInfo.value(m_sortedVisibleRoles.last());
 350         rect.setTop(topText->pos.y());
 351         rect.setBottom(bottomText->pos.y() + bottomText->staticText.size().height());
 352         return rect;
 353     }
 354
 355     case DetailsLayout: {
 356         QRectF rect = m_textRect;
 357         const TextInfo* textInfo = m_textInfo.value(m_sortedVisibleRoles.first());
 358         rect.setTop(textInfo->pos.y());
 359         rect.setBottom(textInfo->pos.y() + textInfo->staticText.size().height());
 360
 361         const KItemListStyleOption& option = styleOption();
 362         if (option.extendedSelectionRegion) {
 363             const QString text = textInfo->staticText.text();
 364             rect.setWidth(m_customizedFontMetrics.width(text) + 2 * option.padding);
 365         }
 366
 367         return rect;
 368     }
 369
 370     default:
 371         break;
 372     }
 373
 374     return m_textRect;
 375 }
 376
 377 QRectF KStandardItemListWidget::expansionToggleRect() const
 378 {
 379     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 380     return m_isExpandable ? m_expansionArea : QRectF();
 381 }
 382
 383 QRectF KStandardItemListWidget::selectionToggleRect() const
 384 {
 385     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 386
 387     const int iconHeight = styleOption().iconSize;
 388
 389     int toggleSize = KIconLoader::SizeSmall;
 390     if (iconHeight >= KIconLoader::SizeEnormous) {
 391         toggleSize = KIconLoader::SizeMedium;
 392     } else if (iconHeight >= KIconLoader::SizeLarge) {
 393         toggleSize = KIconLoader::SizeSmallMedium;
 394     }
 395
 396     QPointF pos = iconRect().topLeft();
 397
 398     // If the selection toggle has a very small distance to the
 399     // widget borders, the size of the selection toggle will get
 400     // increased to prevent an accidental clicking of the item
 401     // when trying to hit the toggle.
 402     const int widgetHeight = size().height();
 403     const int widgetWidth = size().width();
 404     const int minMargin = 2;
 405
 406     if (toggleSize + minMargin * 2 >= widgetHeight) {
 407         pos.rx() -= (widgetHeight - toggleSize) / 2;
 408         toggleSize = widgetHeight;
 409         pos.setY(0);
 410     }
 411     if (toggleSize + minMargin * 2 >= widgetWidth) {
 412         pos.ry() -= (widgetWidth - toggleSize) / 2;
 413         toggleSize = widgetWidth;
 414         pos.setX(0);
 415     }
 416
 417     return QRectF(pos, QSizeF(toggleSize, toggleSize));
 418 }
 419
 420 QPixmap KStandardItemListWidget::createDragPixmap(const QStyleOptionGraphicsItem* option,
 421                                                   QWidget* widget)
 422 {
 423     QPixmap pixmap = KItemListWidget::createDragPixmap(option, widget);
 424     if (m_layout != DetailsLayout) {
 425         return pixmap;
 426     }
 427
 428     // Only return the content of the text-column as pixmap
 429     const int leftClip = m_pixmapPos.x();
 430
 431     const TextInfo* textInfo = m_textInfo.value("text");
 432     const int rightClip = textInfo->pos.x() +
 433                           textInfo->staticText.size().width() +
 434                           2 * styleOption().padding;
 435
 436     QPixmap clippedPixmap(rightClip - leftClip + 1, pixmap.height());
 437     clippedPixmap.fill(Qt::transparent);
 438
 439     QPainter painter(&clippedPixmap);
 440     painter.drawPixmap(-leftClip, 0, pixmap);
 441
 442     return clippedPixmap;
 443 }
 444
 445
 446 KItemListWidgetInformant* KStandardItemListWidget::createInformant()
 447 {
 448     return new KStandardItemListWidgetInformant();
 449 }
 450
 451 void KStandardItemListWidget::invalidateCache()
 452 {
 453     m_dirtyLayout = true;
 454     m_dirtyContent = true;
 455 }
 456
 457 void KStandardItemListWidget::refreshCache()
 458 {
 459 }
 460
 461 bool KStandardItemListWidget::isRoleRightAligned(const QByteArray& role) const
 462 {
 463     Q_UNUSED(role);
 464     return false;
 465 }
 466
 467 bool KStandardItemListWidget::isHidden() const
 468 {
 469     return false;
 470 }
 471
 472 QFont KStandardItemListWidget::customizedFont(const QFont& baseFont) const
 473 {
 474     return baseFont;
 475 }
 476
 477 QPalette::ColorRole KStandardItemListWidget::normalTextColorRole() const
 478 {
 479     return QPalette::Text;
 480 }
 481
 482 void KStandardItemListWidget::setTextColor(const QColor& color)
 483 {
 484     if (color != m_customTextColor) {
 485         m_customTextColor = color;
 486         updateAdditionalInfoTextColor();
 487         update();
 488     }
 489 }
 490
 491 QColor KStandardItemListWidget::textColor() const
 492 {
 493     if (m_customTextColor.isValid() && !isSelected()) {
 494         return m_customTextColor;
 495     }
 496
 497     const QPalette::ColorGroup group = isActiveWindow() ? QPalette::Active : QPalette::Inactive;
 498     const QPalette::ColorRole role = isSelected() ? QPalette::HighlightedText : normalTextColorRole();
 499     return styleOption().palette.color(group, role);
 500 }
 501
 502 void KStandardItemListWidget::setOverlay(const QPixmap& overlay)
 503 {
 504     m_overlay = overlay;
 505     m_dirtyContent = true;
 506     update();
 507 }
 508
 509 QPixmap KStandardItemListWidget::overlay() const
 510 {
 511     return m_overlay;
 512 }
 513
 514
 515 QString KStandardItemListWidget::roleText(const QByteArray& role,
 516                                           const QHash<QByteArray, QVariant>& values) const
 517 {
 518     return static_cast<const KStandardItemListWidgetInformant*>(informant())->roleText(role, values);
 519 }
 520
 521 void KStandardItemListWidget::dataChanged(const QHash<QByteArray, QVariant>& current,
 522                                           const QSet<QByteArray>& roles)
 523 {
 524     Q_UNUSED(current);
 525
 526     m_dirtyContent = true;
 527
 528     QSet<QByteArray> dirtyRoles;
 529     if (roles.isEmpty()) {
 530         dirtyRoles = visibleRoles().toSet();
 531     } else {
 532         dirtyRoles = roles;
 533     }
 534
 535     // The icon-state might depend from other roles and hence is
 536     // marked as dirty whenever a role has been changed
 537     dirtyRoles.insert("iconPixmap");
 538     dirtyRoles.insert("iconName");
 539
 540     QSetIterator<QByteArray> it(dirtyRoles);
 541     while (it.hasNext()) {
 542         const QByteArray& role = it.next();
 543         m_dirtyContentRoles.insert(role);
 544     }
 545 }
 546
 547 void KStandardItemListWidget::visibleRolesChanged(const QList<QByteArray>& current,
 548                                               const QList<QByteArray>& previous)
 549 {
 550     Q_UNUSED(previous);
 551     m_sortedVisibleRoles = current;
 552     m_dirtyLayout = true;
 553 }
 554
 555 void KStandardItemListWidget::columnWidthChanged(const QByteArray& role,
 556                                              qreal current,
 557                                              qreal previous)
 558 {
 559     Q_UNUSED(role);
 560     Q_UNUSED(current);
 561     Q_UNUSED(previous);
 562     m_dirtyLayout = true;
 563 }
 564
 565 void KStandardItemListWidget::styleOptionChanged(const KItemListStyleOption& current,
 566                                              const KItemListStyleOption& previous)
 567 {
 568     Q_UNUSED(current);
 569     Q_UNUSED(previous);
 570     updateAdditionalInfoTextColor();
 571     m_dirtyLayout = true;
 572 }
 573
 574 void KStandardItemListWidget::hoveredChanged(bool hovered)
 575 {
 576     Q_UNUSED(hovered);
 577     m_dirtyLayout = true;
 578 }
 579
 580 void KStandardItemListWidget::selectedChanged(bool selected)
 581 {
 582     Q_UNUSED(selected);
 583     updateAdditionalInfoTextColor();
 584     m_dirtyContent = true;
 585 }
 586
 587 void KStandardItemListWidget::siblingsInformationChanged(const QBitArray& current, const QBitArray& previous)
 588 {
 589     Q_UNUSED(current);
 590     Q_UNUSED(previous);
 591     m_dirtyLayout = true;
 592 }
 593
 594 int KStandardItemListWidget::selectionLength(const QString& text) const
 595 {
 596     return text.length();
 597 }
 598
 599 void KStandardItemListWidget::editedRoleChanged(const QByteArray& current, const QByteArray& previous)
 600 {
 601     Q_UNUSED(previous);
 602
 603    QGraphicsView* parent = scene()->views()[0];
 604    if (current.isEmpty() || !parent || current != "text") {
 605         if (m_roleEditor) {
 606             emit roleEditingCanceled(index(), current, data().value(current));
 607
 608             disconnect(m_roleEditor, SIGNAL(roleEditingCanceled(int,QByteArray,QVariant)),
 609                        this, SLOT(slotRoleEditingCanceled(int,QByteArray,QVariant)));
 610             disconnect(m_roleEditor, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 611                        this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 612             m_roleEditor->deleteLater();
 613             m_roleEditor = 0;
 614         }
 615         return;
 616     }
 617
 618     Q_ASSERT(!m_roleEditor);
 619
 620     const TextInfo* textInfo = m_textInfo.value("text");
 621
 622     m_roleEditor = new KItemListRoleEditor(parent);
 623     m_roleEditor->setIndex(index());
 624     m_roleEditor->setRole(current);
 625     m_roleEditor->setFont(styleOption().font);
 626
 627     const QString text = data().value(current).toString();
 628     m_roleEditor->setPlainText(text);
 629
 630     QTextOption textOption = textInfo->staticText.textOption();
 631     m_roleEditor->document()->setDefaultTextOption(textOption);
 632
 633     const int textSelectionLength = selectionLength(text);
 634
 635     if (textSelectionLength > 0) {
 636         QTextCursor cursor = m_roleEditor->textCursor();
 637         cursor.movePosition(QTextCursor::StartOfBlock);
 638         cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, textSelectionLength);
 639         m_roleEditor->setTextCursor(cursor);
 640     }
 641
 642     connect(m_roleEditor, SIGNAL(roleEditingCanceled(int,QByteArray,QVariant)),
 643             this, SLOT(slotRoleEditingCanceled(int,QByteArray,QVariant)));
 644     connect(m_roleEditor, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 645             this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 646
 647     // Adjust the geometry of the editor
 648     QRectF rect = roleEditingRect(current);
 649     const int frameWidth = m_roleEditor->frameWidth();
 650     rect.adjust(-frameWidth, -frameWidth, frameWidth, frameWidth);
 651     rect.translate(pos());
 652     if (rect.right() > parent->width()) {
 653         rect.setWidth(parent->width() - rect.left());
 654     }
 655     m_roleEditor->setGeometry(rect.toRect());
 656     m_roleEditor->show();
 657     m_roleEditor->setFocus();
 658 }
 659
 660 void KStandardItemListWidget::resizeEvent(QGraphicsSceneResizeEvent* event)
 661 {
 662     if (m_roleEditor) {
 663         setEditedRole(QByteArray());
 664         Q_ASSERT(!m_roleEditor);
 665     }
 666
 667     KItemListWidget::resizeEvent(event);
 668
 669     m_dirtyLayout = true;
 670 }
 671
 672 void KStandardItemListWidget::showEvent(QShowEvent* event)
 673 {
 674     KItemListWidget::showEvent(event);
 675
 676     // Listen to changes of the clipboard to mark the item as cut/uncut
 677     KFileItemClipboard* clipboard = KFileItemClipboard::instance();
 678
 679     const KUrl itemUrl = data().value("url").value<KUrl>();
 680     m_isCut = clipboard->isCut(itemUrl);
 681
 682     connect(clipboard, SIGNAL(cutItemsChanged()),
 683             this, SLOT(slotCutItemsChanged()));
 684 }
 685
 686 void KStandardItemListWidget::hideEvent(QHideEvent* event)
 687 {
 688     disconnect(KFileItemClipboard::instance(), SIGNAL(cutItemsChanged()),
 689                this, SLOT(slotCutItemsChanged()));
 690
 691     KItemListWidget::hideEvent(event);
 692 }
 693
 694 void KStandardItemListWidget::slotCutItemsChanged()
 695 {
 696     const KUrl itemUrl = data().value("url").value<KUrl>();
 697     const bool isCut = KFileItemClipboard::instance()->isCut(itemUrl);
 698     if (m_isCut != isCut) {
 699         m_isCut = isCut;
 700         m_pixmap = QPixmap();
 701         m_dirtyContent = true;
 702         update();
 703     }
 704 }
 705
 706 void KStandardItemListWidget::slotRoleEditingCanceled(int index,
 707                                                       const QByteArray& role,
 708                                                       const QVariant& value)
 709 {
 710     closeRoleEditor();
 711     emit roleEditingCanceled(index, role, value);
 712     setEditedRole(QByteArray());
 713 }
 714
 715 void KStandardItemListWidget::slotRoleEditingFinished(int index,
 716                                                       const QByteArray& role,
 717                                                       const QVariant& value)
 718 {
 719     closeRoleEditor();
 720     emit roleEditingFinished(index, role, value);
 721     setEditedRole(QByteArray());
 722 }
 723
 724 void KStandardItemListWidget::triggerCacheRefreshing()
 725 {
 726     if ((!m_dirtyContent && !m_dirtyLayout) || index() < 0) {
 727         return;
 728     }
 729
 730     refreshCache();
 731
 732     const QHash<QByteArray, QVariant> values = data();
 733     m_isExpandable = m_supportsItemExpanding && values["isExpandable"].toBool();
 734     m_isHidden = isHidden();
 735     m_customizedFont = customizedFont(styleOption().font);
 736     m_customizedFontMetrics = QFontMetrics(m_customizedFont);
 737
 738     updateExpansionArea();
 739     updateTextsCache();
 740     updatePixmapCache();
 741
 742     m_dirtyLayout = false;
 743     m_dirtyContent = false;
 744     m_dirtyContentRoles.clear();
 745 }
 746
 747 void KStandardItemListWidget::updateExpansionArea()
 748 {
 749     if (m_supportsItemExpanding) {
 750         const QHash<QByteArray, QVariant> values = data();
 751         Q_ASSERT(values.contains("expandedParentsCount"));
 752         const int expandedParentsCount = values.value("expandedParentsCount", 0).toInt();
 753         if (expandedParentsCount >= 0) {
 754             const qreal widgetHeight = size().height();
 755             const qreal inc = (widgetHeight - KIconLoader::SizeSmall) / 2;
 756             const qreal x = expandedParentsCount * widgetHeight + inc;
 757             const qreal y = inc;
 758             m_expansionArea = QRectF(x, y, KIconLoader::SizeSmall, KIconLoader::SizeSmall);
 759             return;
 760         }
 761     }
 762
 763     m_expansionArea = QRectF();
 764 }
 765
 766 void KStandardItemListWidget::updatePixmapCache()
 767 {
 768     // Precondition: Requires already updated m_textPos values to calculate
 769     // the remaining height when the alignment is vertical.
 770
 771     const QSizeF widgetSize = size();
 772     const bool iconOnTop = (m_layout == IconsLayout);
 773     const KItemListStyleOption& option = styleOption();
 774     const qreal padding = option.padding;
 775
 776     const int maxIconWidth = iconOnTop ? widgetSize.width() - 2 * padding : option.iconSize;
 777     const int maxIconHeight = option.iconSize;
 778
 779     const QHash<QByteArray, QVariant> values = data();
 780
 781     bool updatePixmap = (m_pixmap.width() != maxIconWidth || m_pixmap.height() != maxIconHeight);
 782     if (!updatePixmap && m_dirtyContent) {
 783         updatePixmap = m_dirtyContentRoles.isEmpty()
 784                        || m_dirtyContentRoles.contains("iconPixmap")
 785                        || m_dirtyContentRoles.contains("iconName")
 786                        || m_dirtyContentRoles.contains("iconOverlays");
 787     }
 788
 789     if (updatePixmap) {
 790         m_pixmap = values["iconPixmap"].value<QPixmap>();
 791         if (m_pixmap.isNull()) {
 792             // Use the icon that fits to the MIME-type
 793             QString iconName = values["iconName"].toString();
 794             if (iconName.isEmpty()) {
 795                 // The icon-name has not been not resolved by KFileItemModelRolesUpdater,
 796                 // use a generic icon as fallback
 797                 iconName = QLatin1String("unknown");
 798             }
 799             m_pixmap = pixmapForIcon(iconName, maxIconHeight);
 800         } else if (m_pixmap.width() != maxIconWidth || m_pixmap.height() != maxIconHeight) {
 801             // A custom pixmap has been applied. Assure that the pixmap
 802             // is scaled to the maximum available size.
 803             KPixmapModifier::scale(m_pixmap, QSize(maxIconWidth, maxIconHeight));
 804         }
 805
 806         const QStringList overlays = values["iconOverlays"].toStringList();
 807
 808         // Strangely KFileItem::overlays() returns empty string-values, so
 809         // we need to check first whether an overlay must be drawn at all.
 810         // It is more efficient to do it here, as KIconLoader::drawOverlays()
 811         // assumes that an overlay will be drawn and has some additional
 812         // setup time.
 813         foreach (const QString& overlay, overlays) {
 814             if (!overlay.isEmpty()) {
 815                 // There is at least one overlay, draw all overlays above m_pixmap
 816                 // and cancel the check
 817                 KIconLoader::global()->drawOverlays(overlays, m_pixmap, KIconLoader::Desktop);
 818                 break;
 819             }
 820         }
 821
 822         if (m_isCut) {
 823             KIconEffect* effect = KIconLoader::global()->iconEffect();
 824             m_pixmap = effect->apply(m_pixmap, KIconLoader::Desktop, KIconLoader::DisabledState);
 825         }
 826
 827         if (m_isHidden) {
 828             KIconEffect::semiTransparent(m_pixmap);
 829         }
 830
 831         if (isSelected()) {
 832             const QColor color = palette().brush(QPalette::Normal, QPalette::Highlight).color();
 833             QImage image = m_pixmap.toImage();
 834             KIconEffect::colorize(image, color, 1.0f);
 835             m_pixmap = QPixmap::fromImage(image);
 836         }
 837     }
 838
 839     if (!m_overlay.isNull()) {
 840         QPainter painter(&m_pixmap);
 841         painter.drawPixmap(0, m_pixmap.height() - m_overlay.height(), m_overlay);
 842     }
 843
 844     int scaledIconSize = 0;
 845     if (iconOnTop) {
 846         const TextInfo* textInfo = m_textInfo.value("text");
 847         scaledIconSize = static_cast<int>(textInfo->pos.y() - 2 * padding);
 848     } else {
 849         const int textRowsCount = (m_layout == CompactLayout) ? visibleRoles().count() : 1;
 850         const qreal requiredTextHeight = textRowsCount * m_customizedFontMetrics.height();
 851         scaledIconSize = (requiredTextHeight < maxIconHeight) ?
 852                            widgetSize.height() - 2 * padding : maxIconHeight;
 853     }
 854
 855     const int maxScaledIconWidth = iconOnTop ? widgetSize.width() - 2 * padding : scaledIconSize;
 856     const int maxScaledIconHeight = scaledIconSize;
 857
 858     m_scaledPixmapSize = m_pixmap.size();
 859     m_scaledPixmapSize.scale(maxScaledIconWidth, maxScaledIconHeight, Qt::KeepAspectRatio);
 860
 861     if (iconOnTop) {
 862         // Center horizontally and align on bottom within the icon-area
 863         m_pixmapPos.setX((widgetSize.width() - m_scaledPixmapSize.width()) / 2);
 864         m_pixmapPos.setY(padding + scaledIconSize - m_scaledPixmapSize.height());
 865     } else {
 866         // Center horizontally and vertically within the icon-area
 867         const TextInfo* textInfo = m_textInfo.value("text");
 868         m_pixmapPos.setX(textInfo->pos.x() - 2 * padding
 869                          - (scaledIconSize + m_scaledPixmapSize.width()) / 2);
 870         m_pixmapPos.setY(padding
 871                          + (scaledIconSize - m_scaledPixmapSize.height()) / 2);
 872     }
 873
 874     m_iconRect = QRectF(m_pixmapPos, QSizeF(m_scaledPixmapSize));
 875
 876     // Prepare the pixmap that is used when the item gets hovered
 877     if (isHovered()) {
 878         m_hoverPixmap = m_pixmap;
 879         KIconEffect* effect = KIconLoader::global()->iconEffect();
 880         // In the KIconLoader terminology, active = hover.
 881         if (effect->hasEffect(KIconLoader::Desktop, KIconLoader::ActiveState)) {
 882             m_hoverPixmap = effect->apply(m_pixmap, KIconLoader::Desktop, KIconLoader::ActiveState);
 883         } else {
 884             m_hoverPixmap = m_pixmap;
 885         }
 886     } else if (hoverOpacity() <= 0.0) {
 887         // No hover animation is ongoing. Clear m_hoverPixmap to save memory.
 888         m_hoverPixmap = QPixmap();
 889     }
 890 }
 891
 892 void KStandardItemListWidget::updateTextsCache()
 893 {
 894     QTextOption textOption;
 895     switch (m_layout) {
 896     case IconsLayout:
 897         textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
 898         textOption.setAlignment(Qt::AlignHCenter);
 899         break;
 900     case CompactLayout:
 901     case DetailsLayout:
 902         textOption.setAlignment(Qt::AlignLeft);
 903         textOption.setWrapMode(QTextOption::NoWrap);
 904         break;
 905     default:
 906         Q_ASSERT(false);
 907         break;
 908     }
 909
 910     qDeleteAll(m_textInfo);
 911     m_textInfo.clear();
 912     for (int i = 0; i < m_sortedVisibleRoles.count(); ++i) {
 913         TextInfo* textInfo = new TextInfo();
 914         textInfo->staticText.setTextFormat(Qt::PlainText);
 915         textInfo->staticText.setPerformanceHint(QStaticText::AggressiveCaching);
 916         textInfo->staticText.setTextOption(textOption);
 917         m_textInfo.insert(m_sortedVisibleRoles[i], textInfo);
 918     }
 919
 920     switch (m_layout) {
 921     case IconsLayout:   updateIconsLayoutTextCache(); break;
 922     case CompactLayout: updateCompactLayoutTextCache(); break;
 923     case DetailsLayout: updateDetailsLayoutTextCache(); break;
 924     default: Q_ASSERT(false); break;
 925     }
 926
 927     const TextInfo* ratingTextInfo = m_textInfo.value("rating");
 928     if (ratingTextInfo) {
 929         // The text of the rating-role has been set to empty to get
 930         // replaced by a rating-image showing the rating as stars.
 931         const KItemListStyleOption& option = styleOption();
 932         QSizeF ratingSize = preferredRatingSize(option);
 933
 934         const qreal availableWidth = (m_layout == DetailsLayout)
 935                                      ? columnWidth("rating") - columnPadding(option)
 936                                      : size().width();
 937         if (ratingSize.width() > availableWidth) {
 938             ratingSize.rwidth() = availableWidth;
 939         }
 940         m_rating = QPixmap(ratingSize.toSize());
 941         m_rating.fill(Qt::transparent);
 942
 943         QPainter painter(&m_rating);
 944         const QRect rect(0, 0, m_rating.width(), m_rating.height());
 945         const int rating = data().value("rating").toInt();
 946         KRatingPainter::paintRating(&painter, rect, Qt::AlignJustify | Qt::AlignVCenter, rating);
 947     } else if (!m_rating.isNull()) {
 948         m_rating = QPixmap();
 949     }
 950 }
 951
 952 void KStandardItemListWidget::updateIconsLayoutTextCache()
 953 {
 954     //      +------+
 955     //      | Icon |
 956     //      +------+
 957     //
 958     //    Name role that
 959     // might get wrapped above
 960     //    several lines.
 961     //  Additional role 1
 962     //  Additional role 2
 963
 964     const QHash<QByteArray, QVariant> values = data();
 965
 966     const KItemListStyleOption& option = styleOption();
 967     const qreal padding = option.padding;
 968     const qreal maxWidth = size().width() - 2 * padding;
 969     const qreal widgetHeight = size().height();
 970     const qreal lineSpacing = m_customizedFontMetrics.lineSpacing();
 971
 972     // Initialize properties for the "text" role. It will be used as anchor
 973     // for initializing the position of the other roles.
 974     TextInfo* nameTextInfo = m_textInfo.value("text");
 975     const QString nameText = KStringHandler::preProcessWrap(values["text"].toString());
 976     nameTextInfo->staticText.setText(nameText);
 977
 978     // Calculate the number of lines required for the name and the required width
 979     qreal nameWidth = 0;
 980     qreal nameHeight = 0;
 981     QTextLine line;
 982
 983     const int additionalRolesCount = qMax(visibleRoles().count() - 1, 0);
 984     const int maxNameLines = (option.maxTextSize.height() / int(lineSpacing)) - additionalRolesCount;
 985
 986     QTextLayout layout(nameTextInfo->staticText.text(), m_customizedFont);
 987     layout.setTextOption(nameTextInfo->staticText.textOption());
 988     layout.beginLayout();
 989     int nameLineIndex = 0;
 990     while ((line = layout.createLine()).isValid()) {
 991         line.setLineWidth(maxWidth);
 992         nameWidth = qMax(nameWidth, line.naturalTextWidth());
 993         nameHeight += line.height();
 994
 995         ++nameLineIndex;
 996         if (nameLineIndex == maxNameLines) {
 997             // The maximum number of textlines has been reached. If this is
 998             // the case provide an elided text if necessary.
 999             const int textLength = line.textStart() + line.textLength();
1000             if (textLength < nameText.length()) {
1001                 // Elide the last line of the text
1002                 QString lastTextLine = nameText.mid(line.textStart(), line.textLength());
1003                 lastTextLine = m_customizedFontMetrics.elidedText(lastTextLine,
1004                                                                   Qt::ElideRight,
1005                                                                   line.naturalTextWidth() - 1);
1006                 const QString elidedText = nameText.left(line.textStart()) + lastTextLine;
1007                 nameTextInfo->staticText.setText(elidedText);
1008             }
1009             break;
1010         }
1011     }
1012     layout.endLayout();
1013
1014     // Use one line for each additional information
1015     nameTextInfo->staticText.setTextWidth(maxWidth);
1016     nameTextInfo->pos = QPointF(padding, widgetHeight -
1017                                          nameHeight -
1018                                          additionalRolesCount * lineSpacing -
1019                                          padding);
1020     m_textRect = QRectF(padding + (maxWidth - nameWidth) / 2,
1021                         nameTextInfo->pos.y(),
1022                         nameWidth,
1023                         nameHeight);
1024
1025     // Calculate the position for each additional information
1026     qreal y = nameTextInfo->pos.y() + nameHeight;
1027     foreach (const QByteArray& role, m_sortedVisibleRoles) {
1028         if (role == "text") {
1029             continue;
1030         }
1031
1032         const QString text = roleText(role, values);
1033         TextInfo* textInfo = m_textInfo.value(role);
1034         textInfo->staticText.setText(text);
1035
1036         qreal requiredWidth = 0;
1037
1038         QTextLayout layout(text, m_customizedFont);
1039         QTextOption textOption;
1040         textOption.setWrapMode(QTextOption::NoWrap);
1041         layout.setTextOption(textOption);
1042
1043         layout.beginLayout();
1044         QTextLine textLine = layout.createLine();
1045         if (textLine.isValid()) {
1046             textLine.setLineWidth(maxWidth);
1047             requiredWidth = textLine.naturalTextWidth();
1048             if (requiredWidth > maxWidth) {
1049                 const QString elidedText = m_customizedFontMetrics.elidedText(text, Qt::ElideRight, maxWidth);
1050                 textInfo->staticText.setText(elidedText);
1051                 requiredWidth = m_customizedFontMetrics.width(elidedText);
1052             } else if (role == "rating") {
1053                 // Use the width of the rating pixmap, because the rating text is empty.
1054                 requiredWidth = m_rating.width();
1055             }
1056         }
1057         layout.endLayout();
1058
1059         textInfo->pos = QPointF(padding, y);
1060         textInfo->staticText.setTextWidth(maxWidth);
1061
1062         const QRectF textRect(padding + (maxWidth - requiredWidth) / 2, y, requiredWidth, lineSpacing);
1063         m_textRect |= textRect;
1064
1065         y += lineSpacing;
1066     }
1067
1068     // Add a padding to the text rectangle
1069     m_textRect.adjust(-padding, -padding, padding, padding);
1070 }
1071
1072 void KStandardItemListWidget::updateCompactLayoutTextCache()
1073 {
1074     // +------+  Name role
1075     // | Icon |  Additional role 1
1076     // +------+  Additional role 2
1077
1078     const QHash<QByteArray, QVariant> values = data();
1079
1080     const KItemListStyleOption& option = styleOption();
1081     const qreal widgetHeight = size().height();
1082     const qreal lineSpacing = m_customizedFontMetrics.lineSpacing();
1083     const qreal textLinesHeight = qMax(visibleRoles().count(), 1) * lineSpacing;
1084     const int scaledIconSize = (textLinesHeight < option.iconSize) ? widgetHeight - 2 * option.padding : option.iconSize;
1085
1086     qreal maximumRequiredTextWidth = 0;
1087     const qreal x = option.padding * 3 + scaledIconSize;
1088     qreal y = qRound((widgetHeight - textLinesHeight) / 2);
1089     const qreal maxWidth = size().width() - x - option.padding;
1090     foreach (const QByteArray& role, m_sortedVisibleRoles) {
1091         const QString text = roleText(role, values);
1092         TextInfo* textInfo = m_textInfo.value(role);
1093         textInfo->staticText.setText(text);
1094
1095         qreal requiredWidth = m_customizedFontMetrics.width(text);
1096         if (requiredWidth > maxWidth) {
1097             requiredWidth = maxWidth;
1098             const QString elidedText = m_customizedFontMetrics.elidedText(text, Qt::ElideRight, maxWidth);
1099             textInfo->staticText.setText(elidedText);
1100         }
1101
1102         textInfo->pos = QPointF(x, y);
1103         textInfo->staticText.setTextWidth(maxWidth);
1104
1105         maximumRequiredTextWidth = qMax(maximumRequiredTextWidth, requiredWidth);
1106
1107         y += lineSpacing;
1108     }
1109
1110     m_textRect = QRectF(x - option.padding, 0, maximumRequiredTextWidth + 2 * option.padding, widgetHeight);
1111 }
1112
1113 void KStandardItemListWidget::updateDetailsLayoutTextCache()
1114 {
1115     // Precondition: Requires already updated m_expansionArea
1116     // to determine the left position.
1117
1118     // +------+
1119     // | Icon |  Name role   Additional role 1   Additional role 2
1120     // +------+
1121     m_textRect = QRectF();
1122
1123     const KItemListStyleOption& option = styleOption();
1124     const QHash<QByteArray, QVariant> values = data();
1125
1126     const qreal widgetHeight = size().height();
1127     const int scaledIconSize = widgetHeight - 2 * option.padding;
1128     const int fontHeight = m_customizedFontMetrics.height();
1129
1130     const qreal columnWidthInc = columnPadding(option);
1131     qreal firstColumnInc = scaledIconSize;
1132     if (m_supportsItemExpanding) {
1133         firstColumnInc += (m_expansionArea.left() + m_expansionArea.right() + widgetHeight) / 2;
1134     } else {
1135         firstColumnInc += option.padding;
1136     }
1137
1138     qreal x = firstColumnInc;
1139     const qreal y = qMax(qreal(option.padding), (widgetHeight - fontHeight) / 2);
1140
1141     foreach (const QByteArray& role, m_sortedVisibleRoles) {
1142         QString text = roleText(role, values);
1143
1144         // Elide the text in case it does not fit into the available column-width
1145         qreal requiredWidth = m_customizedFontMetrics.width(text);
1146         const qreal roleWidth = columnWidth(role);
1147         qreal availableTextWidth = roleWidth - columnWidthInc;
1148
1149         const bool isTextRole = (role == "text");
1150         if (isTextRole) {
1151             availableTextWidth -= firstColumnInc;
1152         }
1153
1154         if (requiredWidth > availableTextWidth) {
1155             text = m_customizedFontMetrics.elidedText(text, Qt::ElideRight, availableTextWidth);
1156             requiredWidth = m_customizedFontMetrics.width(text);
1157         }
1158
1159         TextInfo* textInfo = m_textInfo.value(role);
1160         textInfo->staticText.setText(text);
1161         textInfo->pos = QPointF(x + columnWidthInc / 2, y);
1162         x += roleWidth;
1163
1164         if (isTextRole) {
1165             const qreal textWidth = option.extendedSelectionRegion
1166                                     ? size().width() - textInfo->pos.x()
1167                                     : requiredWidth + 2 * option.padding;
1168             m_textRect = QRectF(textInfo->pos.x() - option.padding, 0,
1169                                 textWidth, size().height());
1170
1171             // The column after the name should always be aligned on the same x-position independent
1172             // from the expansion-level shown in the name column
1173             x -= firstColumnInc;
1174         } else if (isRoleRightAligned(role)) {
1175             textInfo->pos.rx() += roleWidth - requiredWidth - columnWidthInc;
1176         }
1177     }
1178 }
1179
1180 void KStandardItemListWidget::updateAdditionalInfoTextColor()
1181 {
1182     QColor c1;
1183     if (m_customTextColor.isValid()) {
1184         c1 = m_customTextColor;
1185     } else if (isSelected() && m_layout != DetailsLayout) {
1186         c1 = styleOption().palette.highlightedText().color();
1187     } else {
1188         c1 = styleOption().palette.text().color();
1189     }
1190
1191     // For the color of the additional info the inactive text color
1192     // is not used as this might lead to unreadable text for some color schemes. Instead
1193     // the text color c1 is slightly mixed with the background color.
1194     const QColor c2 = styleOption().palette.base().color();
1195     const int p1 = 70;
1196     const int p2 = 100 - p1;
1197     m_additionalInfoTextColor = QColor((c1.red()   * p1 + c2.red()   * p2) / 100,
1198                                        (c1.green() * p1 + c2.green() * p2) / 100,
1199                                        (c1.blue()  * p1 + c2.blue()  * p2) / 100);
1200 }
1201
1202 void KStandardItemListWidget::drawPixmap(QPainter* painter, const QPixmap& pixmap)
1203 {
1204     if (m_scaledPixmapSize != pixmap.size()) {
1205         QPixmap scaledPixmap = pixmap;
1206         KPixmapModifier::scale(scaledPixmap, m_scaledPixmapSize);
1207         painter->drawPixmap(m_pixmapPos, scaledPixmap);
1208
1209 #ifdef KSTANDARDITEMLISTWIDGET_DEBUG
1210         painter->setPen(Qt::blue);
1211         painter->drawRect(QRectF(m_pixmapPos, QSizeF(m_scaledPixmapSize)));
1212 #endif
1213     } else {
1214         painter->drawPixmap(m_pixmapPos, pixmap);
1215     }
1216 }
1217
1218 void KStandardItemListWidget::drawSiblingsInformation(QPainter* painter)
1219 {
1220     const int siblingSize = size().height();
1221     const int x = (m_expansionArea.left() + m_expansionArea.right() - siblingSize) / 2;
1222     QRect siblingRect(x, 0, siblingSize, siblingSize);
1223
1224     QStyleOption option;
1225     bool isItemSibling = true;
1226
1227     const QBitArray siblings = siblingsInformation();
1228     for (int i = siblings.count() - 1; i >= 0; --i) {
1229         option.rect = siblingRect;
1230         option.state = siblings.at(i) ? QStyle::State_Sibling : QStyle::State_None;
1231
1232         if (isItemSibling) {
1233             option.state |= QStyle::State_Item;
1234             if (m_isExpandable) {
1235                 option.state |= QStyle::State_Children;
1236             }
1237             if (data()["isExpanded"].toBool()) {
1238                 option.state |= QStyle::State_Open;
1239             }
1240             isItemSibling = false;
1241         }
1242
1243         style()->drawPrimitive(QStyle::PE_IndicatorBranch, &option, painter);
1244
1245         siblingRect.translate(-siblingRect.width(), 0);
1246     }
1247 }
1248
1249 QRectF KStandardItemListWidget::roleEditingRect(const QByteArray& role) const
1250 {
1251     const TextInfo* textInfo = m_textInfo.value(role);
1252     if (!textInfo) {
1253         return QRectF();
1254     }
1255
1256     QRectF rect(textInfo->pos, textInfo->staticText.size());
1257     if (m_layout == DetailsLayout) {
1258         rect.setWidth(columnWidth(role) - rect.x());
1259     }
1260
1261     return rect;
1262 }
1263
1264 void KStandardItemListWidget::closeRoleEditor()
1265 {
1266     if (m_roleEditor->hasFocus()) {
1267         // If the editing was not ended by a FocusOut event, we have
1268         // to transfer the keyboard focus back to the KItemListContainer.
1269         scene()->views()[0]->parentWidget()->setFocus();
1270     }
1271
1272     disconnect(m_roleEditor, SIGNAL(roleEditingCanceled(int,QByteArray,QVariant)),
1273                this, SLOT(slotRoleEditingCanceled(int,QByteArray,QVariant)));
1274     disconnect(m_roleEditor, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
1275                this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
1276     m_roleEditor->deleteLater();
1277     m_roleEditor = 0;
1278 }
1279
1280 QPixmap KStandardItemListWidget::pixmapForIcon(const QString& name, int size)
1281 {
1282     const KIcon icon(name);
1283
1284     int requestedSize;
1285     if (size <= KIconLoader::SizeSmall) {
1286         requestedSize = KIconLoader::SizeSmall;
1287     } else if (size <= KIconLoader::SizeSmallMedium) {
1288         requestedSize = KIconLoader::SizeSmallMedium;
1289     } else if (size <= KIconLoader::SizeMedium) {
1290         requestedSize = KIconLoader::SizeMedium;
1291     } else if (size <= KIconLoader::SizeLarge) {
1292         requestedSize = KIconLoader::SizeLarge;
1293     } else if (size <= KIconLoader::SizeHuge) {
1294         requestedSize = KIconLoader::SizeHuge;
1295     } else if (size <= KIconLoader::SizeEnormous) {
1296         requestedSize = KIconLoader::SizeEnormous;
1297     } else if (size <= KIconLoader::SizeEnormous * 2) {
1298         requestedSize = KIconLoader::SizeEnormous * 2;
1299     } else {
1300         requestedSize = size;
1301     }
1302
1303     QPixmap pixmap = icon.pixmap(requestedSize, requestedSize);
1304     if (requestedSize != size) {
1305         KPixmapModifier::scale(pixmap, QSize(size, size));
1306     }
1307
1308     return pixmap;
1309 }
1310
1311 QSizeF KStandardItemListWidget::preferredRatingSize(const KItemListStyleOption& option)
1312 {
1313     const qreal height = option.fontMetrics.ascent();
1314     return QSizeF(height * 5, height);
1315 }
1316
1317 qreal KStandardItemListWidget::columnPadding(const KItemListStyleOption& option)
1318 {
1319     return option.padding * 6;
1320 }
1321
1322 #include "kstandarditemlistwidget.moc"