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     painter->drawStaticText(textInfo->pos, textInfo->staticText);
 267
 268     bool clipAdditionalInfoBounds = false;
 269     if (m_supportsItemExpanding) {
 270         // Prevent a possible overlapping of the additional-information texts
 271         // with the icon. This can happen if the user has minimized the width
 272         // of the name-column to a very small value.
 273         const qreal minX = m_pixmapPos.x() + m_pixmap.width() + 4 * itemListStyleOption.padding;
 274         if (textInfo->pos.x() + columnWidth("text") > minX) {
 275             clipAdditionalInfoBounds = true;
 276             painter->save();
 277             painter->setClipRect(minX, 0, size().width() - minX, size().height(), Qt::IntersectClip);
 278         }
 279     }
 280
 281     painter->setPen(m_additionalInfoTextColor);
 282     painter->setFont(m_customizedFont);
 283
 284     for (int i = 1; i < m_sortedVisibleRoles.count(); ++i) {
 285         const TextInfo* textInfo = m_textInfo.value(m_sortedVisibleRoles[i]);
 286         painter->drawStaticText(textInfo->pos, textInfo->staticText);
 287     }
 288
 289     if (!m_rating.isNull()) {
 290         const TextInfo* ratingTextInfo = m_textInfo.value("rating");
 291         QPointF pos = ratingTextInfo->pos;
 292         const Qt::Alignment align = ratingTextInfo->staticText.textOption().alignment();
 293         if (align & Qt::AlignHCenter) {
 294             pos.rx() += (size().width() - m_rating.width()) / 2;
 295         }
 296         painter->drawPixmap(pos, m_rating);
 297     }
 298
 299     if (clipAdditionalInfoBounds) {
 300         painter->restore();
 301     }
 302
 303 #ifdef KSTANDARDITEMLISTWIDGET_DEBUG
 304     painter->setBrush(Qt::NoBrush);
 305     painter->setPen(Qt::green);
 306     painter->drawRect(m_iconRect);
 307
 308     painter->setPen(Qt::red);
 309     painter->drawText(QPointF(0, m_customizedFontMetrics.height()), QString::number(index()));
 310     painter->drawRect(rect());
 311 #endif
 312 }
 313
 314 QRectF KStandardItemListWidget::iconRect() const
 315 {
 316     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 317     return m_iconRect;
 318 }
 319
 320 QRectF KStandardItemListWidget::textRect() const
 321 {
 322     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 323     return m_textRect;
 324 }
 325
 326 QRectF KStandardItemListWidget::textFocusRect() const
 327 {
 328     // In the compact- and details-layout a larger textRect() is returned to be aligned
 329     // with the iconRect(). This is useful to have a larger selection/hover-area
 330     // when having a quite large icon size but only one line of text. Still the
 331     // focus rectangle should be shown as narrow as possible around the text.
 332
 333     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 334
 335     switch (m_layout) {
 336     case CompactLayout: {
 337         QRectF rect = m_textRect;
 338         const TextInfo* topText    = m_textInfo.value(m_sortedVisibleRoles.first());
 339         const TextInfo* bottomText = m_textInfo.value(m_sortedVisibleRoles.last());
 340         rect.setTop(topText->pos.y());
 341         rect.setBottom(bottomText->pos.y() + bottomText->staticText.size().height());
 342         return rect;
 343     }
 344
 345     case DetailsLayout: {
 346         QRectF rect = m_textRect;
 347         const TextInfo* textInfo = m_textInfo.value(m_sortedVisibleRoles.first());
 348         rect.setTop(textInfo->pos.y());
 349         rect.setBottom(textInfo->pos.y() + textInfo->staticText.size().height());
 350
 351         const KItemListStyleOption& option = styleOption();
 352         if (option.extendedSelectionRegion) {
 353             const QString text = textInfo->staticText.text();
 354             rect.setWidth(m_customizedFontMetrics.width(text) + 2 * option.padding);
 355         }
 356
 357         return rect;
 358     }
 359
 360     default:
 361         break;
 362     }
 363
 364     return m_textRect;
 365 }
 366
 367 QRectF KStandardItemListWidget::expansionToggleRect() const
 368 {
 369     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 370     return m_isExpandable ? m_expansionArea : QRectF();
 371 }
 372
 373 QRectF KStandardItemListWidget::selectionToggleRect() const
 374 {
 375     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 376
 377     const int iconHeight = styleOption().iconSize;
 378
 379     int toggleSize = KIconLoader::SizeSmall;
 380     if (iconHeight >= KIconLoader::SizeEnormous) {
 381         toggleSize = KIconLoader::SizeMedium;
 382     } else if (iconHeight >= KIconLoader::SizeLarge) {
 383         toggleSize = KIconLoader::SizeSmallMedium;
 384     }
 385
 386     QPointF pos = iconRect().topLeft();
 387
 388     // If the selection toggle has a very small distance to the
 389     // widget borders, the size of the selection toggle will get
 390     // increased to prevent an accidental clicking of the item
 391     // when trying to hit the toggle.
 392     const int widgetHeight = size().height();
 393     const int widgetWidth = size().width();
 394     const int minMargin = 2;
 395
 396     if (toggleSize + minMargin * 2 >= widgetHeight) {
 397         pos.rx() -= (widgetHeight - toggleSize) / 2;
 398         toggleSize = widgetHeight;
 399         pos.setY(0);
 400     }
 401     if (toggleSize + minMargin * 2 >= widgetWidth) {
 402         pos.ry() -= (widgetWidth - toggleSize) / 2;
 403         toggleSize = widgetWidth;
 404         pos.setX(0);
 405     }
 406
 407     return QRectF(pos, QSizeF(toggleSize, toggleSize));
 408 }
 409
 410 QPixmap KStandardItemListWidget::createDragPixmap(const QStyleOptionGraphicsItem* option,
 411                                                   QWidget* widget)
 412 {
 413     QPixmap pixmap = KItemListWidget::createDragPixmap(option, widget);
 414     if (m_layout != DetailsLayout || styleOption().extendedSelectionRegion) {
 415         return pixmap;
 416     }
 417
 418     // Only return the content of the text-column as pixmap
 419     const int leftClip = m_pixmapPos.x();
 420
 421     const TextInfo* textInfo = m_textInfo.value("text");
 422     const int rightClip = textInfo->pos.x() +
 423                           textInfo->staticText.size().width() +
 424                           2 * styleOption().padding;
 425
 426     QPixmap clippedPixmap(rightClip - leftClip + 1, pixmap.height());
 427     clippedPixmap.fill(Qt::transparent);
 428
 429     QPainter painter(&clippedPixmap);
 430     painter.drawPixmap(-leftClip, 0, pixmap);
 431
 432     return clippedPixmap;
 433 }
 434
 435
 436 KItemListWidgetInformant* KStandardItemListWidget::createInformant()
 437 {
 438     return new KStandardItemListWidgetInformant();
 439 }
 440
 441 void KStandardItemListWidget::invalidateCache()
 442 {
 443     m_dirtyLayout = true;
 444     m_dirtyContent = true;
 445 }
 446
 447 void KStandardItemListWidget::refreshCache()
 448 {
 449 }
 450
 451 bool KStandardItemListWidget::isRoleRightAligned(const QByteArray& role) const
 452 {
 453     Q_UNUSED(role);
 454     return false;
 455 }
 456
 457 bool KStandardItemListWidget::isHidden() const
 458 {
 459     return false;
 460 }
 461
 462 QFont KStandardItemListWidget::customizedFont(const QFont& baseFont) const
 463 {
 464     return baseFont;
 465 }
 466
 467 void KStandardItemListWidget::setTextColor(const QColor& color)
 468 {
 469     if (color != m_customTextColor) {
 470         m_customTextColor = color;
 471         updateAdditionalInfoTextColor();
 472         update();
 473     }
 474 }
 475
 476 QColor KStandardItemListWidget::textColor() const
 477 {
 478     if (m_customTextColor.isValid() && !isSelected()) {
 479         return m_customTextColor;
 480     }
 481
 482     const QPalette::ColorGroup group = isActiveWindow() ? QPalette::Active : QPalette::Inactive;
 483     const QPalette::ColorRole role = isSelected() ? QPalette::HighlightedText : QPalette::Text;
 484     return styleOption().palette.brush(group, role).color();
 485 }
 486
 487 void KStandardItemListWidget::setOverlay(const QPixmap& overlay)
 488 {
 489     m_overlay = overlay;
 490     m_dirtyContent = true;
 491     update();
 492 }
 493
 494 QPixmap KStandardItemListWidget::overlay() const
 495 {
 496     return m_overlay;
 497 }
 498
 499
 500 QString KStandardItemListWidget::roleText(const QByteArray& role,
 501                                           const QHash<QByteArray, QVariant>& values) const
 502 {
 503     return static_cast<const KStandardItemListWidgetInformant*>(informant())->roleText(role, values);
 504 }
 505
 506 void KStandardItemListWidget::dataChanged(const QHash<QByteArray, QVariant>& current,
 507                                           const QSet<QByteArray>& roles)
 508 {
 509     Q_UNUSED(current);
 510
 511     m_dirtyContent = true;
 512
 513     QSet<QByteArray> dirtyRoles;
 514     if (roles.isEmpty()) {
 515         dirtyRoles = visibleRoles().toSet();
 516     } else {
 517         dirtyRoles = roles;
 518     }
 519
 520     // The icon-state might depend from other roles and hence is
 521     // marked as dirty whenever a role has been changed
 522     dirtyRoles.insert("iconPixmap");
 523     dirtyRoles.insert("iconName");
 524
 525     QSetIterator<QByteArray> it(dirtyRoles);
 526     while (it.hasNext()) {
 527         const QByteArray& role = it.next();
 528         m_dirtyContentRoles.insert(role);
 529     }
 530 }
 531
 532 void KStandardItemListWidget::visibleRolesChanged(const QList<QByteArray>& current,
 533                                               const QList<QByteArray>& previous)
 534 {
 535     Q_UNUSED(previous);
 536     m_sortedVisibleRoles = current;
 537     m_dirtyLayout = true;
 538 }
 539
 540 void KStandardItemListWidget::columnWidthChanged(const QByteArray& role,
 541                                              qreal current,
 542                                              qreal previous)
 543 {
 544     Q_UNUSED(role);
 545     Q_UNUSED(current);
 546     Q_UNUSED(previous);
 547     m_dirtyLayout = true;
 548 }
 549
 550 void KStandardItemListWidget::styleOptionChanged(const KItemListStyleOption& current,
 551                                              const KItemListStyleOption& previous)
 552 {
 553     Q_UNUSED(current);
 554     Q_UNUSED(previous);
 555     updateAdditionalInfoTextColor();
 556     m_dirtyLayout = true;
 557 }
 558
 559 void KStandardItemListWidget::hoveredChanged(bool hovered)
 560 {
 561     Q_UNUSED(hovered);
 562     m_dirtyLayout = true;
 563 }
 564
 565 void KStandardItemListWidget::selectedChanged(bool selected)
 566 {
 567     Q_UNUSED(selected);
 568     updateAdditionalInfoTextColor();
 569     m_dirtyContent = true;
 570 }
 571
 572 void KStandardItemListWidget::siblingsInformationChanged(const QBitArray& current, const QBitArray& previous)
 573 {
 574     Q_UNUSED(current);
 575     Q_UNUSED(previous);
 576     m_dirtyLayout = true;
 577 }
 578
 579 void KStandardItemListWidget::editedRoleChanged(const QByteArray& current, const QByteArray& previous)
 580 {
 581     Q_UNUSED(previous);
 582
 583    QGraphicsView* parent = scene()->views()[0];
 584    if (current.isEmpty() || !parent || current != "text") {
 585         if (m_roleEditor) {
 586             emit roleEditingCanceled(index(), current, data().value(current));
 587             m_roleEditor->deleteLater();
 588             m_roleEditor = 0;
 589         }
 590         return;
 591     }
 592
 593     Q_ASSERT(!m_roleEditor);
 594
 595     const TextInfo* textInfo = m_textInfo.value("text");
 596
 597     m_roleEditor = new KItemListRoleEditor(parent);
 598     m_roleEditor->setIndex(index());
 599     m_roleEditor->setRole(current);
 600
 601     const QString text = data().value(current).toString();
 602     m_roleEditor->setPlainText(text);
 603
 604     QTextOption textOption = textInfo->staticText.textOption();
 605     m_roleEditor->document()->setDefaultTextOption(textOption);
 606
 607     // Select the text without MIME-type extension
 608     int selectionLength = text.length();
 609
 610     const QString extension = KMimeType::extractKnownExtension(text);
 611     if (!extension.isEmpty()) {
 612         selectionLength -= extension.length() + 1;
 613     }
 614
 615     if (selectionLength > 0) {
 616         QTextCursor cursor = m_roleEditor->textCursor();
 617         cursor.movePosition(QTextCursor::StartOfBlock);
 618         cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, selectionLength);
 619         m_roleEditor->setTextCursor(cursor);
 620     }
 621
 622     connect(m_roleEditor, SIGNAL(roleEditingCanceled(int,QByteArray,QVariant)),
 623             this, SLOT(slotRoleEditingCanceled(int,QByteArray,QVariant)));
 624     connect(m_roleEditor, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 625             this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 626
 627     // Adjust the geometry of the editor
 628     QRectF rect = roleEditingRect(current);
 629     const int frameWidth = m_roleEditor->frameWidth();
 630     rect.adjust(-frameWidth, -frameWidth, frameWidth, frameWidth);
 631     rect.translate(pos());
 632     if (rect.right() > parent->width()) {
 633         rect.setWidth(parent->width() - rect.left());
 634     }
 635     m_roleEditor->setGeometry(rect.toRect());
 636     m_roleEditor->show();
 637     m_roleEditor->setFocus();
 638 }
 639
 640 void KStandardItemListWidget::resizeEvent(QGraphicsSceneResizeEvent* event)
 641 {
 642     if (m_roleEditor) {
 643         setEditedRole(QByteArray());
 644         Q_ASSERT(!m_roleEditor);
 645     }
 646
 647     KItemListWidget::resizeEvent(event);
 648
 649     m_dirtyLayout = true;
 650 }
 651
 652 void KStandardItemListWidget::showEvent(QShowEvent* event)
 653 {
 654     KItemListWidget::showEvent(event);
 655
 656     // Listen to changes of the clipboard to mark the item as cut/uncut
 657     KFileItemClipboard* clipboard = KFileItemClipboard::instance();
 658
 659     const KUrl itemUrl = data().value("url").value<KUrl>();
 660     m_isCut = clipboard->isCut(itemUrl);
 661
 662     connect(clipboard, SIGNAL(cutItemsChanged()),
 663             this, SLOT(slotCutItemsChanged()));
 664 }
 665
 666 void KStandardItemListWidget::hideEvent(QHideEvent* event)
 667 {
 668     disconnect(KFileItemClipboard::instance(), SIGNAL(cutItemsChanged()),
 669                this, SLOT(slotCutItemsChanged()));
 670
 671     KItemListWidget::hideEvent(event);
 672 }
 673
 674 void KStandardItemListWidget::slotCutItemsChanged()
 675 {
 676     const KUrl itemUrl = data().value("url").value<KUrl>();
 677     const bool isCut = KFileItemClipboard::instance()->isCut(itemUrl);
 678     if (m_isCut != isCut) {
 679         m_isCut = isCut;
 680         m_pixmap = QPixmap();
 681         m_dirtyContent = true;
 682         update();
 683     }
 684 }
 685
 686 void KStandardItemListWidget::slotRoleEditingCanceled(int index,
 687                                                   const QByteArray& role,
 688                                                   const QVariant& value)
 689 {
 690     m_roleEditor->deleteLater();
 691     m_roleEditor = 0;
 692     emit roleEditingCanceled(index, role, value);
 693     setEditedRole(QByteArray());
 694 }
 695
 696 void KStandardItemListWidget::slotRoleEditingFinished(int index,
 697                                                   const QByteArray& role,
 698                                                   const QVariant& value)
 699 {
 700     m_roleEditor->deleteLater();
 701     m_roleEditor = 0;
 702     emit roleEditingFinished(index, role, value);
 703     setEditedRole(QByteArray());
 704 }
 705
 706 void KStandardItemListWidget::triggerCacheRefreshing()
 707 {
 708     if ((!m_dirtyContent && !m_dirtyLayout) || index() < 0) {
 709         return;
 710     }
 711
 712     refreshCache();
 713
 714     const QHash<QByteArray, QVariant> values = data();
 715     m_isExpandable = m_supportsItemExpanding && values["isExpandable"].toBool();
 716     m_isHidden = isHidden();
 717     m_customizedFont = customizedFont(styleOption().font);
 718     m_customizedFontMetrics = QFontMetrics(m_customizedFont);
 719
 720     updateExpansionArea();
 721     updateTextsCache();
 722     updatePixmapCache();
 723
 724     m_dirtyLayout = false;
 725     m_dirtyContent = false;
 726     m_dirtyContentRoles.clear();
 727 }
 728
 729 void KStandardItemListWidget::updateExpansionArea()
 730 {
 731     if (m_supportsItemExpanding) {
 732         const QHash<QByteArray, QVariant> values = data();
 733         Q_ASSERT(values.contains("expandedParentsCount"));
 734         const int expandedParentsCount = values.value("expandedParentsCount", 0).toInt();
 735         if (expandedParentsCount >= 0) {
 736             const qreal widgetHeight = size().height();
 737             const qreal inc = (widgetHeight - KIconLoader::SizeSmall) / 2;
 738             const qreal x = expandedParentsCount * widgetHeight + inc;
 739             const qreal y = inc;
 740             m_expansionArea = QRectF(x, y, KIconLoader::SizeSmall, KIconLoader::SizeSmall);
 741             return;
 742         }
 743     }
 744
 745     m_expansionArea = QRectF();
 746 }
 747
 748 void KStandardItemListWidget::updatePixmapCache()
 749 {
 750     // Precondition: Requires already updated m_textPos values to calculate
 751     // the remaining height when the alignment is vertical.
 752
 753     const QSizeF widgetSize = size();
 754     const bool iconOnTop = (m_layout == IconsLayout);
 755     const KItemListStyleOption& option = styleOption();
 756     const qreal padding = option.padding;
 757
 758     const int maxIconWidth = iconOnTop ? widgetSize.width() - 2 * padding : option.iconSize;
 759     const int maxIconHeight = option.iconSize;
 760
 761     const QHash<QByteArray, QVariant> values = data();
 762
 763     bool updatePixmap = (m_pixmap.width() != maxIconWidth || m_pixmap.height() != maxIconHeight);
 764     if (!updatePixmap && m_dirtyContent) {
 765         updatePixmap = m_dirtyContentRoles.isEmpty()
 766                        || m_dirtyContentRoles.contains("iconPixmap")
 767                        || m_dirtyContentRoles.contains("iconName")
 768                        || m_dirtyContentRoles.contains("iconOverlays");
 769     }
 770
 771     if (updatePixmap) {
 772         m_pixmap = values["iconPixmap"].value<QPixmap>();
 773         if (m_pixmap.isNull()) {
 774             // Use the icon that fits to the MIME-type
 775             QString iconName = values["iconName"].toString();
 776             if (iconName.isEmpty()) {
 777                 // The icon-name has not been not resolved by KFileItemModelRolesUpdater,
 778                 // use a generic icon as fallback
 779                 iconName = QLatin1String("unknown");
 780             }
 781             m_pixmap = pixmapForIcon(iconName, maxIconHeight);
 782         } else if (m_pixmap.width() != maxIconWidth || m_pixmap.height() != maxIconHeight) {
 783             // A custom pixmap has been applied. Assure that the pixmap
 784             // is scaled to the maximum available size.
 785             KPixmapModifier::scale(m_pixmap, QSize(maxIconWidth, maxIconHeight));
 786         }
 787
 788         const QStringList overlays = values["iconOverlays"].toStringList();
 789
 790         // Strangely KFileItem::overlays() returns empty string-values, so
 791         // we need to check first whether an overlay must be drawn at all.
 792         // It is more efficient to do it here, as KIconLoader::drawOverlays()
 793         // assumes that an overlay will be drawn and has some additional
 794         // setup time.
 795         foreach (const QString& overlay, overlays) {
 796             if (!overlay.isEmpty()) {
 797                 // There is at least one overlay, draw all overlays above m_pixmap
 798                 // and cancel the check
 799                 KIconLoader::global()->drawOverlays(overlays, m_pixmap, KIconLoader::Desktop);
 800                 break;
 801             }
 802         }
 803
 804         if (m_isCut) {
 805             KIconEffect* effect = KIconLoader::global()->iconEffect();
 806             m_pixmap = effect->apply(m_pixmap, KIconLoader::Desktop, KIconLoader::DisabledState);
 807         }
 808
 809         if (m_isHidden) {
 810             KIconEffect::semiTransparent(m_pixmap);
 811         }
 812
 813         if (isSelected()) {
 814             const QColor color = palette().brush(QPalette::Normal, QPalette::Highlight).color();
 815             QImage image = m_pixmap.toImage();
 816             KIconEffect::colorize(image, color, 1.0f);
 817             m_pixmap = QPixmap::fromImage(image);
 818         }
 819     }
 820
 821     if (!m_overlay.isNull()) {
 822         QPainter painter(&m_pixmap);
 823         painter.drawPixmap(0, m_pixmap.height() - m_overlay.height(), m_overlay);
 824     }
 825
 826     int scaledIconSize = 0;
 827     if (iconOnTop) {
 828         const TextInfo* textInfo = m_textInfo.value("text");
 829         scaledIconSize = static_cast<int>(textInfo->pos.y() - 2 * padding);
 830     } else {
 831         const int textRowsCount = (m_layout == CompactLayout) ? visibleRoles().count() : 1;
 832         const qreal requiredTextHeight = textRowsCount * m_customizedFontMetrics.height();
 833         scaledIconSize = (requiredTextHeight < maxIconHeight) ?
 834                            widgetSize.height() - 2 * padding : maxIconHeight;
 835     }
 836
 837     const int maxScaledIconWidth = iconOnTop ? widgetSize.width() - 2 * padding : scaledIconSize;
 838     const int maxScaledIconHeight = scaledIconSize;
 839
 840     m_scaledPixmapSize = m_pixmap.size();
 841     m_scaledPixmapSize.scale(maxScaledIconWidth, maxScaledIconHeight, Qt::KeepAspectRatio);
 842
 843     if (iconOnTop) {
 844         // Center horizontally and align on bottom within the icon-area
 845         m_pixmapPos.setX((widgetSize.width() - m_scaledPixmapSize.width()) / 2);
 846         m_pixmapPos.setY(padding + scaledIconSize - m_scaledPixmapSize.height());
 847     } else {
 848         // Center horizontally and vertically within the icon-area
 849         const TextInfo* textInfo = m_textInfo.value("text");
 850         m_pixmapPos.setX(textInfo->pos.x() - 2 * padding
 851                          - (scaledIconSize + m_scaledPixmapSize.width()) / 2);
 852         m_pixmapPos.setY(padding
 853                          + (scaledIconSize - m_scaledPixmapSize.height()) / 2);
 854     }
 855
 856     m_iconRect = QRectF(m_pixmapPos, QSizeF(m_scaledPixmapSize));
 857
 858     // Prepare the pixmap that is used when the item gets hovered
 859     if (isHovered()) {
 860         m_hoverPixmap = m_pixmap;
 861         KIconEffect* effect = KIconLoader::global()->iconEffect();
 862         // In the KIconLoader terminology, active = hover.
 863         if (effect->hasEffect(KIconLoader::Desktop, KIconLoader::ActiveState)) {
 864             m_hoverPixmap = effect->apply(m_pixmap, KIconLoader::Desktop, KIconLoader::ActiveState);
 865         } else {
 866             m_hoverPixmap = m_pixmap;
 867         }
 868     } else if (hoverOpacity() <= 0.0) {
 869         // No hover animation is ongoing. Clear m_hoverPixmap to save memory.
 870         m_hoverPixmap = QPixmap();
 871     }
 872 }
 873
 874 void KStandardItemListWidget::updateTextsCache()
 875 {
 876     QTextOption textOption;
 877     switch (m_layout) {
 878     case IconsLayout:
 879         textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
 880         textOption.setAlignment(Qt::AlignHCenter);
 881         break;
 882     case CompactLayout:
 883     case DetailsLayout:
 884         textOption.setAlignment(Qt::AlignLeft);
 885         textOption.setWrapMode(QTextOption::NoWrap);
 886         break;
 887     default:
 888         Q_ASSERT(false);
 889         break;
 890     }
 891
 892     qDeleteAll(m_textInfo);
 893     m_textInfo.clear();
 894     for (int i = 0; i < m_sortedVisibleRoles.count(); ++i) {
 895         TextInfo* textInfo = new TextInfo();
 896         textInfo->staticText.setTextFormat(Qt::PlainText);
 897         textInfo->staticText.setPerformanceHint(QStaticText::AggressiveCaching);
 898         textInfo->staticText.setTextOption(textOption);
 899         m_textInfo.insert(m_sortedVisibleRoles[i], textInfo);
 900     }
 901
 902     switch (m_layout) {
 903     case IconsLayout:   updateIconsLayoutTextCache(); break;
 904     case CompactLayout: updateCompactLayoutTextCache(); break;
 905     case DetailsLayout: updateDetailsLayoutTextCache(); break;
 906     default: Q_ASSERT(false); break;
 907     }
 908
 909     const TextInfo* ratingTextInfo = m_textInfo.value("rating");
 910     if (ratingTextInfo) {
 911         // The text of the rating-role has been set to empty to get
 912         // replaced by a rating-image showing the rating as stars.
 913         const KItemListStyleOption& option = styleOption();
 914         QSizeF ratingSize = preferredRatingSize(option);
 915
 916         const qreal availableWidth = (m_layout == DetailsLayout)
 917                                      ? columnWidth("rating") - columnPadding(option)
 918                                      : m_textRect.width();
 919         if (ratingSize.width() > availableWidth) {
 920             ratingSize.rwidth() = availableWidth;
 921         }
 922         m_rating = QPixmap(ratingSize.toSize());
 923         m_rating.fill(Qt::transparent);
 924
 925         QPainter painter(&m_rating);
 926         const QRect rect(0, 0, m_rating.width(), m_rating.height());
 927         const int rating = data().value("rating").toInt();
 928         KRatingPainter::paintRating(&painter, rect, Qt::AlignJustify | Qt::AlignVCenter, rating);
 929     } else if (!m_rating.isNull()) {
 930         m_rating = QPixmap();
 931     }
 932 }
 933
 934 void KStandardItemListWidget::updateIconsLayoutTextCache()
 935 {
 936     //      +------+
 937     //      | Icon |
 938     //      +------+
 939     //
 940     //    Name role that
 941     // might get wrapped above
 942     //    several lines.
 943     //  Additional role 1
 944     //  Additional role 2
 945
 946     const QHash<QByteArray, QVariant> values = data();
 947
 948     const KItemListStyleOption& option = styleOption();
 949     const qreal padding = option.padding;
 950     const qreal maxWidth = size().width() - 2 * padding;
 951     const qreal widgetHeight = size().height();
 952     const qreal lineSpacing = m_customizedFontMetrics.lineSpacing();
 953
 954     // Initialize properties for the "text" role. It will be used as anchor
 955     // for initializing the position of the other roles.
 956     TextInfo* nameTextInfo = m_textInfo.value("text");
 957     const QString nameText = KStringHandler::preProcessWrap(values["text"].toString());
 958     nameTextInfo->staticText.setText(nameText);
 959
 960     // Calculate the number of lines required for the name and the required width
 961     qreal nameWidth = 0;
 962     qreal nameHeight = 0;
 963     QTextLine line;
 964
 965     const int additionalRolesCount = qMax(visibleRoles().count() - 1, 0);
 966     const int maxNameLines = (option.maxTextSize.height() / int(lineSpacing)) - additionalRolesCount;
 967
 968     QTextLayout layout(nameTextInfo->staticText.text(), m_customizedFont);
 969     layout.setTextOption(nameTextInfo->staticText.textOption());
 970     layout.beginLayout();
 971     int nameLineIndex = 0;
 972     while ((line = layout.createLine()).isValid()) {
 973         line.setLineWidth(maxWidth);
 974         nameWidth = qMax(nameWidth, line.naturalTextWidth());
 975         nameHeight += line.height();
 976
 977         ++nameLineIndex;
 978         if (nameLineIndex == maxNameLines) {
 979             // The maximum number of textlines has been reached. If this is
 980             // the case provide an elided text if necessary.
 981             const int textLength = line.textStart() + line.textLength();
 982             if (textLength < nameText.length()) {
 983                 // Elide the last line of the text
 984                 QString lastTextLine = nameText.mid(line.textStart(), line.textLength());
 985                 lastTextLine = m_customizedFontMetrics.elidedText(lastTextLine,
 986                                                                   Qt::ElideRight,
 987                                                                   line.naturalTextWidth() - 1);
 988                 const QString elidedText = nameText.left(line.textStart()) + lastTextLine;
 989                 nameTextInfo->staticText.setText(elidedText);
 990             }
 991             break;
 992         }
 993     }
 994     layout.endLayout();
 995
 996     // Use one line for each additional information
 997     nameTextInfo->staticText.setTextWidth(maxWidth);
 998     nameTextInfo->pos = QPointF(padding, widgetHeight -
 999                                          nameHeight -
1000                                          additionalRolesCount * lineSpacing -
1001                                          padding);
1002     m_textRect = QRectF(padding + (maxWidth - nameWidth) / 2,
1003                         nameTextInfo->pos.y(),
1004                         nameWidth,
1005                         nameHeight);
1006
1007     // Calculate the position for each additional information
1008     qreal y = nameTextInfo->pos.y() + nameHeight;
1009     foreach (const QByteArray& role, m_sortedVisibleRoles) {
1010         if (role == "text") {
1011             continue;
1012         }
1013
1014         const QString text = roleText(role, values);
1015         TextInfo* textInfo = m_textInfo.value(role);
1016         textInfo->staticText.setText(text);
1017
1018         qreal requiredWidth = 0;
1019
1020         QTextLayout layout(text, m_customizedFont);
1021         QTextOption textOption;
1022         textOption.setWrapMode(QTextOption::NoWrap);
1023         layout.setTextOption(textOption);
1024
1025         layout.beginLayout();
1026         QTextLine textLine = layout.createLine();
1027         if (textLine.isValid()) {
1028             textLine.setLineWidth(maxWidth);
1029             requiredWidth = textLine.naturalTextWidth();
1030             if (requiredWidth > maxWidth) {
1031                 const QString elidedText = m_customizedFontMetrics.elidedText(text, Qt::ElideRight, maxWidth);
1032                 textInfo->staticText.setText(elidedText);
1033                 requiredWidth = m_customizedFontMetrics.width(elidedText);
1034             }
1035         }
1036         layout.endLayout();
1037
1038         textInfo->pos = QPointF(padding, y);
1039         textInfo->staticText.setTextWidth(maxWidth);
1040
1041         const QRectF textRect(padding + (maxWidth - requiredWidth) / 2, y, requiredWidth, lineSpacing);
1042         m_textRect |= textRect;
1043
1044         y += lineSpacing;
1045     }
1046
1047     // Add a padding to the text rectangle
1048     m_textRect.adjust(-padding, -padding, padding, padding);
1049 }
1050
1051 void KStandardItemListWidget::updateCompactLayoutTextCache()
1052 {
1053     // +------+  Name role
1054     // | Icon |  Additional role 1
1055     // +------+  Additional role 2
1056
1057     const QHash<QByteArray, QVariant> values = data();
1058
1059     const KItemListStyleOption& option = styleOption();
1060     const qreal widgetHeight = size().height();
1061     const qreal lineSpacing = m_customizedFontMetrics.lineSpacing();
1062     const qreal textLinesHeight = qMax(visibleRoles().count(), 1) * lineSpacing;
1063     const int scaledIconSize = (textLinesHeight < option.iconSize) ? widgetHeight - 2 * option.padding : option.iconSize;
1064
1065     qreal maximumRequiredTextWidth = 0;
1066     const qreal x = option.padding * 3 + scaledIconSize;
1067     qreal y = qRound((widgetHeight - textLinesHeight) / 2);
1068     const qreal maxWidth = size().width() - x - option.padding;
1069     foreach (const QByteArray& role, m_sortedVisibleRoles) {
1070         const QString text = roleText(role, values);
1071         TextInfo* textInfo = m_textInfo.value(role);
1072         textInfo->staticText.setText(text);
1073
1074         qreal requiredWidth = m_customizedFontMetrics.width(text);
1075         if (requiredWidth > maxWidth) {
1076             requiredWidth = maxWidth;
1077             const QString elidedText = m_customizedFontMetrics.elidedText(text, Qt::ElideRight, maxWidth);
1078             textInfo->staticText.setText(elidedText);
1079         }
1080
1081         textInfo->pos = QPointF(x, y);
1082         textInfo->staticText.setTextWidth(maxWidth);
1083
1084         maximumRequiredTextWidth = qMax(maximumRequiredTextWidth, requiredWidth);
1085
1086         y += lineSpacing;
1087     }
1088
1089     m_textRect = QRectF(x - option.padding, 0, maximumRequiredTextWidth + 2 * option.padding, widgetHeight);
1090 }
1091
1092 void KStandardItemListWidget::updateDetailsLayoutTextCache()
1093 {
1094     // Precondition: Requires already updated m_expansionArea
1095     // to determine the left position.
1096
1097     // +------+
1098     // | Icon |  Name role   Additional role 1   Additional role 2
1099     // +------+
1100     m_textRect = QRectF();
1101
1102     const KItemListStyleOption& option = styleOption();
1103     const QHash<QByteArray, QVariant> values = data();
1104
1105     const qreal widgetHeight = size().height();
1106     const int scaledIconSize = widgetHeight - 2 * option.padding;
1107     const int fontHeight = m_customizedFontMetrics.height();
1108
1109     const qreal columnWidthInc = columnPadding(option);
1110     qreal firstColumnInc = scaledIconSize;
1111     if (m_supportsItemExpanding) {
1112         firstColumnInc += (m_expansionArea.left() + m_expansionArea.right() + widgetHeight) / 2;
1113     } else {
1114         firstColumnInc += option.padding;
1115     }
1116
1117     qreal x = firstColumnInc;
1118     const qreal y = qMax(qreal(option.padding), (widgetHeight - fontHeight) / 2);
1119
1120     foreach (const QByteArray& role, m_sortedVisibleRoles) {
1121         QString text = roleText(role, values);
1122
1123         // Elide the text in case it does not fit into the available column-width
1124         qreal requiredWidth = m_customizedFontMetrics.width(text);
1125         const qreal roleWidth = columnWidth(role);
1126         qreal availableTextWidth = roleWidth - columnWidthInc;
1127
1128         const bool isTextRole = (role == "text");
1129         if (isTextRole) {
1130             availableTextWidth -= firstColumnInc;
1131         }
1132
1133         if (requiredWidth > availableTextWidth) {
1134             text = m_customizedFontMetrics.elidedText(text, Qt::ElideRight, availableTextWidth);
1135             requiredWidth = m_customizedFontMetrics.width(text);
1136         }
1137
1138         TextInfo* textInfo = m_textInfo.value(role);
1139         textInfo->staticText.setText(text);
1140         textInfo->pos = QPointF(x + columnWidthInc / 2, y);
1141         x += roleWidth;
1142
1143         if (isTextRole) {
1144             const qreal textWidth = option.extendedSelectionRegion
1145                                     ? size().width() - textInfo->pos.x()
1146                                     : requiredWidth + 2 * option.padding;
1147             m_textRect = QRectF(textInfo->pos.x() - option.padding, 0,
1148                                 textWidth, size().height());
1149
1150             // The column after the name should always be aligned on the same x-position independent
1151             // from the expansion-level shown in the name column
1152             x -= firstColumnInc;
1153         } else if (isRoleRightAligned(role)) {
1154             textInfo->pos.rx() += roleWidth - requiredWidth - columnWidthInc;
1155         }
1156     }
1157 }
1158
1159 void KStandardItemListWidget::updateAdditionalInfoTextColor()
1160 {
1161     QColor c1;
1162     if (m_customTextColor.isValid()) {
1163         c1 = m_customTextColor;
1164     } else if (isSelected() && m_layout != DetailsLayout) {
1165         c1 = styleOption().palette.highlightedText().color();
1166     } else {
1167         c1 = styleOption().palette.text().color();
1168     }
1169
1170     // For the color of the additional info the inactive text color
1171     // is not used as this might lead to unreadable text for some color schemes. Instead
1172     // the text color c1 is slightly mixed with the background color.
1173     const QColor c2 = styleOption().palette.base().color();
1174     const int p1 = 70;
1175     const int p2 = 100 - p1;
1176     m_additionalInfoTextColor = QColor((c1.red()   * p1 + c2.red()   * p2) / 100,
1177                                        (c1.green() * p1 + c2.green() * p2) / 100,
1178                                        (c1.blue()  * p1 + c2.blue()  * p2) / 100);
1179 }
1180
1181 void KStandardItemListWidget::drawPixmap(QPainter* painter, const QPixmap& pixmap)
1182 {
1183     if (m_scaledPixmapSize != pixmap.size()) {
1184         QPixmap scaledPixmap = pixmap;
1185         KPixmapModifier::scale(scaledPixmap, m_scaledPixmapSize);
1186         painter->drawPixmap(m_pixmapPos, scaledPixmap);
1187
1188 #ifdef KSTANDARDITEMLISTWIDGET_DEBUG
1189         painter->setPen(Qt::blue);
1190         painter->drawRect(QRectF(m_pixmapPos, QSizeF(m_scaledPixmapSize)));
1191 #endif
1192     } else {
1193         painter->drawPixmap(m_pixmapPos, pixmap);
1194     }
1195 }
1196
1197 void KStandardItemListWidget::drawSiblingsInformation(QPainter* painter)
1198 {
1199     const int siblingSize = size().height();
1200     const int x = (m_expansionArea.left() + m_expansionArea.right() - siblingSize) / 2;
1201     QRect siblingRect(x, 0, siblingSize, siblingSize);
1202
1203     QStyleOption option;
1204     bool isItemSibling = true;
1205
1206     const QBitArray siblings = siblingsInformation();
1207     for (int i = siblings.count() - 1; i >= 0; --i) {
1208         option.rect = siblingRect;
1209         option.state = siblings.at(i) ? QStyle::State_Sibling : QStyle::State_None;
1210
1211         if (isItemSibling) {
1212             option.state |= QStyle::State_Item;
1213             if (m_isExpandable) {
1214                 option.state |= QStyle::State_Children;
1215             }
1216             if (data()["isExpanded"].toBool()) {
1217                 option.state |= QStyle::State_Open;
1218             }
1219             isItemSibling = false;
1220         }
1221
1222         style()->drawPrimitive(QStyle::PE_IndicatorBranch, &option, painter);
1223
1224         siblingRect.translate(-siblingRect.width(), 0);
1225     }
1226 }
1227
1228 QRectF KStandardItemListWidget::roleEditingRect(const QByteArray& role) const
1229 {
1230     const TextInfo* textInfo = m_textInfo.value(role);
1231     if (!textInfo) {
1232         return QRectF();
1233     }
1234
1235     QRectF rect(textInfo->pos, textInfo->staticText.size());
1236     if (m_layout == DetailsLayout) {
1237         rect.setWidth(columnWidth(role) - rect.x());
1238     }
1239
1240     return rect;
1241 }
1242
1243 QPixmap KStandardItemListWidget::pixmapForIcon(const QString& name, int size)
1244 {
1245     const KIcon icon(name);
1246
1247     int requestedSize;
1248     if (size <= KIconLoader::SizeSmall) {
1249         requestedSize = KIconLoader::SizeSmall;
1250     } else if (size <= KIconLoader::SizeSmallMedium) {
1251         requestedSize = KIconLoader::SizeSmallMedium;
1252     } else if (size <= KIconLoader::SizeMedium) {
1253         requestedSize = KIconLoader::SizeMedium;
1254     } else if (size <= KIconLoader::SizeLarge) {
1255         requestedSize = KIconLoader::SizeLarge;
1256     } else if (size <= KIconLoader::SizeHuge) {
1257         requestedSize = KIconLoader::SizeHuge;
1258     } else if (size <= KIconLoader::SizeEnormous) {
1259         requestedSize = KIconLoader::SizeEnormous;
1260     } else if (size <= KIconLoader::SizeEnormous * 2) {
1261         requestedSize = KIconLoader::SizeEnormous * 2;
1262     } else {
1263         requestedSize = size;
1264     }
1265
1266     QPixmap pixmap = icon.pixmap(requestedSize, requestedSize);
1267     if (requestedSize != size) {
1268         KPixmapModifier::scale(pixmap, QSize(size, size));
1269     }
1270
1271     return pixmap;
1272 }
1273
1274 QSizeF KStandardItemListWidget::preferredRatingSize(const KItemListStyleOption& option)
1275 {
1276     const qreal height = option.fontMetrics.ascent();
1277     return QSizeF(height * 5, height);
1278 }
1279
1280 qreal KStandardItemListWidget::columnPadding(const KItemListStyleOption& option)
1281 {
1282     return option.padding * 6;
1283 }
1284
1285 #include "kstandarditemlistwidget.moc"