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 KFILEITEMLISTWIDGET_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             // Increase the width by the expansion-toggle and the current expansion level
 147             const int expandedParentsCount = values.value("expandedParentsCount", 0).toInt();
 148             width += option.padding + (expandedParentsCount + 1) * view->itemSize().height() + KIconLoader::SizeSmall;
 149
 150             // Increase the width by the required space for the icon
 151             width += option.padding * 2 + option.iconSize;
 152         }
 153     }
 154
 155     return width;
 156 }
 157
 158 QString KStandardItemListWidgetInformant::roleText(const QByteArray& role,
 159                                                    const QHash<QByteArray, QVariant>& values) const
 160 {
 161     if (role == "rating") {
 162         // Always use an empty text, as the rating is shown by the image m_rating.
 163         return QString();
 164     }
 165     return values.value(role).toString();
 166 }
 167
 168 KStandardItemListWidget::KStandardItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent) :
 169     KItemListWidget(informant, parent),
 170     m_isCut(false),
 171     m_isHidden(false),
 172     m_isExpandable(false),
 173     m_supportsItemExpanding(false),
 174     m_dirtyLayout(true),
 175     m_dirtyContent(true),
 176     m_dirtyContentRoles(),
 177     m_layout(IconsLayout),
 178     m_pixmapPos(),
 179     m_pixmap(),
 180     m_scaledPixmapSize(),
 181     m_iconRect(),
 182     m_hoverPixmap(),
 183     m_textInfo(),
 184     m_textRect(),
 185     m_sortedVisibleRoles(),
 186     m_expansionArea(),
 187     m_customTextColor(),
 188     m_additionalInfoTextColor(),
 189     m_overlay(),
 190     m_rating(),
 191     m_roleEditor(0)
 192 {
 193 }
 194
 195 KStandardItemListWidget::~KStandardItemListWidget()
 196 {
 197     qDeleteAll(m_textInfo);
 198     m_textInfo.clear();
 199
 200     delete m_roleEditor;
 201 }
 202
 203 void KStandardItemListWidget::setLayout(Layout layout)
 204 {
 205     if (m_layout != layout) {
 206         m_layout = layout;
 207         m_dirtyLayout = true;
 208         updateAdditionalInfoTextColor();
 209         update();
 210     }
 211 }
 212
 213 KStandardItemListWidget::Layout KStandardItemListWidget::layout() const
 214 {
 215     return m_layout;
 216 }
 217
 218 void KStandardItemListWidget::setSupportsItemExpanding(bool supportsItemExpanding)
 219 {
 220     if (m_supportsItemExpanding != supportsItemExpanding) {
 221         m_supportsItemExpanding = supportsItemExpanding;
 222         m_dirtyLayout = true;
 223         update();
 224     }
 225 }
 226
 227 bool KStandardItemListWidget::supportsItemExpanding() const
 228 {
 229     return m_supportsItemExpanding;
 230 }
 231
 232 void KStandardItemListWidget::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
 233 {
 234     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 235
 236     KItemListWidget::paint(painter, option, widget);
 237
 238     if (!m_expansionArea.isEmpty()) {
 239         drawSiblingsInformation(painter);
 240     }
 241
 242     const KItemListStyleOption& itemListStyleOption = styleOption();
 243     if (isHovered()) {
 244         // Blend the unhovered and hovered pixmap if the hovering
 245         // animation is ongoing
 246         if (hoverOpacity() < 1.0) {
 247             drawPixmap(painter, m_pixmap);
 248         }
 249
 250         const qreal opacity = painter->opacity();
 251         painter->setOpacity(hoverOpacity() * opacity);
 252         drawPixmap(painter, m_hoverPixmap);
 253         painter->setOpacity(opacity);
 254     } else {
 255         drawPixmap(painter, m_pixmap);
 256     }
 257
 258     painter->setFont(itemListStyleOption.font);
 259     painter->setPen(textColor());
 260     const TextInfo* textInfo = m_textInfo.value("text");
 261     painter->drawStaticText(textInfo->pos, textInfo->staticText);
 262
 263     bool clipAdditionalInfoBounds = false;
 264     if (m_supportsItemExpanding) {
 265         // Prevent a possible overlapping of the additional-information texts
 266         // with the icon. This can happen if the user has minimized the width
 267         // of the name-column to a very small value.
 268         const qreal minX = m_pixmapPos.x() + m_pixmap.width() + 4 * itemListStyleOption.padding;
 269         if (textInfo->pos.x() + columnWidth("text") > minX) {
 270             clipAdditionalInfoBounds = true;
 271             painter->save();
 272             painter->setClipRect(minX, 0, size().width() - minX, size().height(), Qt::IntersectClip);
 273         }
 274     }
 275
 276     painter->setPen(m_additionalInfoTextColor);
 277     painter->setFont(itemListStyleOption.font);
 278
 279     for (int i = 1; i < m_sortedVisibleRoles.count(); ++i) {
 280         const TextInfo* textInfo = m_textInfo.value(m_sortedVisibleRoles[i]);
 281         painter->drawStaticText(textInfo->pos, textInfo->staticText);
 282     }
 283
 284     if (!m_rating.isNull()) {
 285         const TextInfo* ratingTextInfo = m_textInfo.value("rating");
 286         QPointF pos = ratingTextInfo->pos;
 287         const Qt::Alignment align = ratingTextInfo->staticText.textOption().alignment();
 288         if (align & Qt::AlignHCenter) {
 289             pos.rx() += (size().width() - m_rating.width()) / 2;
 290         }
 291         painter->drawPixmap(pos, m_rating);
 292     }
 293
 294     if (clipAdditionalInfoBounds) {
 295         painter->restore();
 296     }
 297
 298 #ifdef KFILEITEMLISTWIDGET_DEBUG
 299     painter->setBrush(Qt::NoBrush);
 300     painter->setPen(Qt::green);
 301     painter->drawRect(m_iconRect);
 302
 303     painter->setPen(Qt::red);
 304     painter->drawText(QPointF(0, itemListStyleOption.fontMetrics.height()), QString::number(index()));
 305     painter->drawRect(rect());
 306 #endif
 307 }
 308
 309 QRectF KStandardItemListWidget::iconRect() const
 310 {
 311     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 312     return m_iconRect;
 313 }
 314
 315 QRectF KStandardItemListWidget::textRect() const
 316 {
 317     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 318     return m_textRect;
 319 }
 320
 321 QRectF KStandardItemListWidget::textFocusRect() const
 322 {
 323     // In the compact- and details-layout a larger textRect() is returned to be aligned
 324     // with the iconRect(). This is useful to have a larger selection/hover-area
 325     // when having a quite large icon size but only one line of text. Still the
 326     // focus rectangle should be shown as narrow as possible around the text.
 327
 328     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 329
 330     switch (m_layout) {
 331     case CompactLayout: {
 332         QRectF rect = m_textRect;
 333         const TextInfo* topText    = m_textInfo.value(m_sortedVisibleRoles.first());
 334         const TextInfo* bottomText = m_textInfo.value(m_sortedVisibleRoles.last());
 335         rect.setTop(topText->pos.y());
 336         rect.setBottom(bottomText->pos.y() + bottomText->staticText.size().height());
 337         return rect;
 338     }
 339
 340     case DetailsLayout: {
 341         QRectF rect = m_textRect;
 342         const TextInfo* textInfo = m_textInfo.value(m_sortedVisibleRoles.first());
 343         rect.setTop(textInfo->pos.y());
 344         rect.setBottom(textInfo->pos.y() + textInfo->staticText.size().height());
 345
 346         const KItemListStyleOption& option = styleOption();
 347         if (option.extendedSelectionRegion) {
 348             const QString text = textInfo->staticText.text();
 349             rect.setWidth(option.fontMetrics.width(text) + 2 * option.padding);
 350         }
 351
 352         return rect;
 353     }
 354
 355     default:
 356         break;
 357     }
 358
 359     return m_textRect;
 360 }
 361
 362 QRectF KStandardItemListWidget::expansionToggleRect() const
 363 {
 364     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 365     return m_isExpandable ? m_expansionArea : QRectF();
 366 }
 367
 368 QRectF KStandardItemListWidget::selectionToggleRect() const
 369 {
 370     const_cast<KStandardItemListWidget*>(this)->triggerCacheRefreshing();
 371
 372     const int iconHeight = styleOption().iconSize;
 373
 374     int toggleSize = KIconLoader::SizeSmall;
 375     if (iconHeight >= KIconLoader::SizeEnormous) {
 376         toggleSize = KIconLoader::SizeMedium;
 377     } else if (iconHeight >= KIconLoader::SizeLarge) {
 378         toggleSize = KIconLoader::SizeSmallMedium;
 379     }
 380
 381     QPointF pos = iconRect().topLeft();
 382
 383     // If the selection toggle has a very small distance to the
 384     // widget borders, the size of the selection toggle will get
 385     // increased to prevent an accidental clicking of the item
 386     // when trying to hit the toggle.
 387     const int widgetHeight = size().height();
 388     const int widgetWidth = size().width();
 389     const int minMargin = 2;
 390
 391     if (toggleSize + minMargin * 2 >= widgetHeight) {
 392         pos.rx() -= (widgetHeight - toggleSize) / 2;
 393         toggleSize = widgetHeight;
 394         pos.setY(0);
 395     }
 396     if (toggleSize + minMargin * 2 >= widgetWidth) {
 397         pos.ry() -= (widgetWidth - toggleSize) / 2;
 398         toggleSize = widgetWidth;
 399         pos.setX(0);
 400     }
 401
 402     return QRectF(pos, QSizeF(toggleSize, toggleSize));
 403 }
 404
 405 KItemListWidgetInformant* KStandardItemListWidget::createInformant()
 406 {
 407     return new KStandardItemListWidgetInformant();
 408 }
 409
 410 void KStandardItemListWidget::invalidateCache()
 411 {
 412     m_dirtyLayout = true;
 413     m_dirtyContent = true;
 414 }
 415
 416 void KStandardItemListWidget::refreshCache()
 417 {
 418 }
 419
 420 bool KStandardItemListWidget::isRoleRightAligned(const QByteArray& role) const
 421 {
 422     Q_UNUSED(role);
 423     return false;
 424 }
 425
 426 void KStandardItemListWidget::setTextColor(const QColor& color)
 427 {
 428     if (color != m_customTextColor) {
 429         m_customTextColor = color;
 430         updateAdditionalInfoTextColor();
 431         update();
 432     }
 433 }
 434
 435 QColor KStandardItemListWidget::textColor() const
 436 {
 437     if (m_customTextColor.isValid() && !isSelected()) {
 438         return m_customTextColor;
 439     }
 440
 441     const QPalette::ColorGroup group = isActiveWindow() ? QPalette::Active : QPalette::Inactive;
 442     const QPalette::ColorRole role = isSelected() ? QPalette::HighlightedText : QPalette::Text;
 443     return styleOption().palette.brush(group, role).color();
 444 }
 445
 446 void KStandardItemListWidget::setOverlay(const QPixmap& overlay)
 447 {
 448     m_overlay = overlay;
 449     m_dirtyContent = true;
 450     update();
 451 }
 452
 453 QPixmap KStandardItemListWidget::overlay() const
 454 {
 455     return m_overlay;
 456 }
 457
 458
 459 QString KStandardItemListWidget::roleText(const QByteArray& role,
 460                                           const QHash<QByteArray, QVariant>& values) const
 461 {
 462     return static_cast<const KStandardItemListWidgetInformant*>(informant())->roleText(role, values);
 463 }
 464
 465 void KStandardItemListWidget::dataChanged(const QHash<QByteArray, QVariant>& current,
 466                                           const QSet<QByteArray>& roles)
 467 {
 468     Q_UNUSED(current);
 469
 470     m_dirtyContent = true;
 471
 472     QSet<QByteArray> dirtyRoles;
 473     if (roles.isEmpty()) {
 474         dirtyRoles = visibleRoles().toSet();
 475         dirtyRoles.insert("iconPixmap");
 476         dirtyRoles.insert("iconName");
 477     } else {
 478         dirtyRoles = roles;
 479     }
 480
 481     QSetIterator<QByteArray> it(dirtyRoles);
 482     while (it.hasNext()) {
 483         const QByteArray& role = it.next();
 484         m_dirtyContentRoles.insert(role);
 485     }
 486 }
 487
 488 void KStandardItemListWidget::visibleRolesChanged(const QList<QByteArray>& current,
 489                                               const QList<QByteArray>& previous)
 490 {
 491     Q_UNUSED(previous);
 492     m_sortedVisibleRoles = current;
 493     m_dirtyLayout = true;
 494 }
 495
 496 void KStandardItemListWidget::columnWidthChanged(const QByteArray& role,
 497                                              qreal current,
 498                                              qreal previous)
 499 {
 500     Q_UNUSED(role);
 501     Q_UNUSED(current);
 502     Q_UNUSED(previous);
 503     m_dirtyLayout = true;
 504 }
 505
 506 void KStandardItemListWidget::styleOptionChanged(const KItemListStyleOption& current,
 507                                              const KItemListStyleOption& previous)
 508 {
 509     Q_UNUSED(current);
 510     Q_UNUSED(previous);
 511     updateAdditionalInfoTextColor();
 512     m_dirtyLayout = true;
 513 }
 514
 515 void KStandardItemListWidget::hoveredChanged(bool hovered)
 516 {
 517     Q_UNUSED(hovered);
 518     m_dirtyLayout = true;
 519 }
 520
 521 void KStandardItemListWidget::selectedChanged(bool selected)
 522 {
 523     Q_UNUSED(selected);
 524     updateAdditionalInfoTextColor();
 525 }
 526
 527 void KStandardItemListWidget::siblingsInformationChanged(const QBitArray& current, const QBitArray& previous)
 528 {
 529     Q_UNUSED(current);
 530     Q_UNUSED(previous);
 531     m_dirtyLayout = true;
 532 }
 533
 534 void KStandardItemListWidget::editedRoleChanged(const QByteArray& current, const QByteArray& previous)
 535 {
 536     Q_UNUSED(previous);
 537
 538    QGraphicsView* parent = scene()->views()[0];
 539    if (current.isEmpty() || !parent || current != "text") {
 540         if (m_roleEditor) {
 541             emit roleEditingCanceled(index(), current, data().value(current));
 542             m_roleEditor->deleteLater();
 543             m_roleEditor = 0;
 544         }
 545         return;
 546     }
 547
 548     Q_ASSERT(!m_roleEditor);
 549
 550     const TextInfo* textInfo = m_textInfo.value("text");
 551
 552     m_roleEditor = new KItemListRoleEditor(parent);
 553     m_roleEditor->setIndex(index());
 554     m_roleEditor->setRole(current);
 555
 556     const QString text = data().value(current).toString();
 557     m_roleEditor->setPlainText(text);
 558
 559     QTextOption textOption = textInfo->staticText.textOption();
 560     m_roleEditor->document()->setDefaultTextOption(textOption);
 561
 562     // Select the text without MIME-type extension
 563     int selectionLength = text.length();
 564
 565     const QString extension = KMimeType::extractKnownExtension(text);
 566     if (!extension.isEmpty()) {
 567         selectionLength -= extension.length() + 1;
 568     }
 569
 570     if (selectionLength > 0) {
 571         QTextCursor cursor = m_roleEditor->textCursor();
 572         cursor.movePosition(QTextCursor::StartOfBlock);
 573         cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, selectionLength);
 574         m_roleEditor->setTextCursor(cursor);
 575     }
 576
 577     connect(m_roleEditor, SIGNAL(roleEditingCanceled(int,QByteArray,QVariant)),
 578             this, SLOT(slotRoleEditingCanceled(int,QByteArray,QVariant)));
 579     connect(m_roleEditor, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
 580             this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
 581
 582     // Adjust the geometry of the editor
 583     QRectF rect = roleEditingRect(current);
 584     const int frameWidth = m_roleEditor->frameWidth();
 585     rect.adjust(-frameWidth, -frameWidth, frameWidth, frameWidth);
 586     rect.translate(pos());
 587     if (rect.right() > parent->width()) {
 588         rect.setWidth(parent->width() - rect.left());
 589     }
 590     m_roleEditor->setGeometry(rect.toRect());
 591     m_roleEditor->show();
 592     m_roleEditor->setFocus();
 593 }
 594
 595 void KStandardItemListWidget::resizeEvent(QGraphicsSceneResizeEvent* event)
 596 {
 597     if (m_roleEditor) {
 598         setEditedRole(QByteArray());
 599         Q_ASSERT(!m_roleEditor);
 600     }
 601
 602     KItemListWidget::resizeEvent(event);
 603
 604     m_dirtyLayout = true;
 605 }
 606
 607 void KStandardItemListWidget::showEvent(QShowEvent* event)
 608 {
 609     KItemListWidget::showEvent(event);
 610
 611     // Listen to changes of the clipboard to mark the item as cut/uncut
 612     KFileItemClipboard* clipboard = KFileItemClipboard::instance();
 613
 614     const KUrl itemUrl = data().value("url").value<KUrl>();
 615     m_isCut = clipboard->isCut(itemUrl);
 616
 617     connect(clipboard, SIGNAL(cutItemsChanged()),
 618             this, SLOT(slotCutItemsChanged()));
 619 }
 620
 621 void KStandardItemListWidget::hideEvent(QHideEvent* event)
 622 {
 623     disconnect(KFileItemClipboard::instance(), SIGNAL(cutItemsChanged()),
 624                this, SLOT(slotCutItemsChanged()));
 625
 626     KItemListWidget::hideEvent(event);
 627 }
 628
 629 void KStandardItemListWidget::slotCutItemsChanged()
 630 {
 631     const KUrl itemUrl = data().value("url").value<KUrl>();
 632     const bool isCut = KFileItemClipboard::instance()->isCut(itemUrl);
 633     if (m_isCut != isCut) {
 634         m_isCut = isCut;
 635         m_pixmap = QPixmap();
 636         m_dirtyContent = true;
 637         update();
 638     }
 639 }
 640
 641 void KStandardItemListWidget::slotRoleEditingCanceled(int index,
 642                                                   const QByteArray& role,
 643                                                   const QVariant& value)
 644 {
 645     m_roleEditor->deleteLater();
 646     m_roleEditor = 0;
 647     emit roleEditingCanceled(index, role, value);
 648     setEditedRole(QByteArray());
 649 }
 650
 651 void KStandardItemListWidget::slotRoleEditingFinished(int index,
 652                                                   const QByteArray& role,
 653                                                   const QVariant& value)
 654 {
 655     m_roleEditor->deleteLater();
 656     m_roleEditor = 0;
 657     emit roleEditingFinished(index, role, value);
 658     setEditedRole(QByteArray());
 659 }
 660
 661 void KStandardItemListWidget::triggerCacheRefreshing()
 662 {
 663     if ((!m_dirtyContent && !m_dirtyLayout) || index() < 0) {
 664         return;
 665     }
 666
 667     refreshCache();
 668
 669     const QHash<QByteArray, QVariant> values = data();
 670     m_isExpandable = m_supportsItemExpanding && values["isExpandable"].toBool();
 671     m_isHidden = values["text"].toString().startsWith(QLatin1Char('.'));
 672
 673     updateExpansionArea();
 674     updateTextsCache();
 675     updatePixmapCache();
 676
 677     m_dirtyLayout = false;
 678     m_dirtyContent = false;
 679     m_dirtyContentRoles.clear();
 680 }
 681
 682 void KStandardItemListWidget::updateExpansionArea()
 683 {
 684     if (m_supportsItemExpanding) {
 685         const QHash<QByteArray, QVariant> values = data();
 686         Q_ASSERT(values.contains("expandedParentsCount"));
 687         const int expandedParentsCount = values.value("expandedParentsCount", 0).toInt();
 688         if (expandedParentsCount >= 0) {
 689             const qreal widgetHeight = size().height();
 690             const qreal inc = (widgetHeight - KIconLoader::SizeSmall) / 2;
 691             const qreal x = expandedParentsCount * widgetHeight + inc;
 692             const qreal y = inc;
 693             m_expansionArea = QRectF(x, y, KIconLoader::SizeSmall, KIconLoader::SizeSmall);
 694             return;
 695         }
 696     }
 697
 698     m_expansionArea = QRectF();
 699 }
 700
 701 void KStandardItemListWidget::updatePixmapCache()
 702 {
 703     // Precondition: Requires already updated m_textPos values to calculate
 704     // the remaining height when the alignment is vertical.
 705
 706     const QSizeF widgetSize = size();
 707     const bool iconOnTop = (m_layout == IconsLayout);
 708     const KItemListStyleOption& option = styleOption();
 709     const qreal padding = option.padding;
 710
 711     const int maxIconWidth = iconOnTop ? widgetSize.width() - 2 * padding : option.iconSize;
 712     const int maxIconHeight = option.iconSize;
 713
 714     const QHash<QByteArray, QVariant> values = data();
 715
 716     bool updatePixmap = (m_pixmap.width() != maxIconWidth || m_pixmap.height() != maxIconHeight);
 717     if (!updatePixmap && m_dirtyContent) {
 718         updatePixmap = m_dirtyContentRoles.isEmpty()
 719                        || m_dirtyContentRoles.contains("iconPixmap")
 720                        || m_dirtyContentRoles.contains("iconName")
 721                        || m_dirtyContentRoles.contains("iconOverlays");
 722     }
 723
 724     if (updatePixmap) {
 725         m_pixmap = values["iconPixmap"].value<QPixmap>();
 726         if (m_pixmap.isNull()) {
 727             // Use the icon that fits to the MIME-type
 728             QString iconName = values["iconName"].toString();
 729             if (iconName.isEmpty()) {
 730                 // The icon-name has not been not resolved by KFileItemModelRolesUpdater,
 731                 // use a generic icon as fallback
 732                 iconName = QLatin1String("unknown");
 733             }
 734             m_pixmap = pixmapForIcon(iconName, maxIconHeight);
 735         } else if (m_pixmap.width() != maxIconWidth || m_pixmap.height() != maxIconHeight) {
 736             // A custom pixmap has been applied. Assure that the pixmap
 737             // is scaled to the maximum available size.
 738             KPixmapModifier::scale(m_pixmap, QSize(maxIconWidth, maxIconHeight));
 739         }
 740
 741         const QStringList overlays = values["iconOverlays"].toStringList();
 742
 743         // Strangely KFileItem::overlays() returns empty string-values, so
 744         // we need to check first whether an overlay must be drawn at all.
 745         // It is more efficient to do it here, as KIconLoader::drawOverlays()
 746         // assumes that an overlay will be drawn and has some additional
 747         // setup time.
 748         foreach (const QString& overlay, overlays) {
 749             if (!overlay.isEmpty()) {
 750                 // There is at least one overlay, draw all overlays above m_pixmap
 751                 // and cancel the check
 752                 KIconLoader::global()->drawOverlays(overlays, m_pixmap, KIconLoader::Desktop);
 753                 break;
 754             }
 755         }
 756
 757         if (m_isCut) {
 758             applyCutEffect(m_pixmap);
 759         }
 760
 761         if (m_isHidden) {
 762             applyHiddenEffect(m_pixmap);
 763         }
 764     }
 765
 766     if (!m_overlay.isNull()) {
 767         QPainter painter(&m_pixmap);
 768         painter.drawPixmap(0, m_pixmap.height() - m_overlay.height(), m_overlay);
 769     }
 770
 771     int scaledIconSize = 0;
 772     if (iconOnTop) {
 773         const TextInfo* textInfo = m_textInfo.value("text");
 774         scaledIconSize = static_cast<int>(textInfo->pos.y() - 2 * padding);
 775     } else {
 776         const int textRowsCount = (m_layout == CompactLayout) ? visibleRoles().count() : 1;
 777         const qreal requiredTextHeight = textRowsCount * option.fontMetrics.height();
 778         scaledIconSize = (requiredTextHeight < maxIconHeight) ?
 779                            widgetSize.height() - 2 * padding : maxIconHeight;
 780     }
 781
 782     const int maxScaledIconWidth = iconOnTop ? widgetSize.width() - 2 * padding : scaledIconSize;
 783     const int maxScaledIconHeight = scaledIconSize;
 784
 785     m_scaledPixmapSize = m_pixmap.size();
 786     m_scaledPixmapSize.scale(maxScaledIconWidth, maxScaledIconHeight, Qt::KeepAspectRatio);
 787
 788     if (iconOnTop) {
 789         // Center horizontally and align on bottom within the icon-area
 790         m_pixmapPos.setX((widgetSize.width() - m_scaledPixmapSize.width()) / 2);
 791         m_pixmapPos.setY(padding + scaledIconSize - m_scaledPixmapSize.height());
 792     } else {
 793         // Center horizontally and vertically within the icon-area
 794         const TextInfo* textInfo = m_textInfo.value("text");
 795         m_pixmapPos.setX(textInfo->pos.x() - 2 * padding
 796                          - (scaledIconSize + m_scaledPixmapSize.width()) / 2);
 797         m_pixmapPos.setY(padding
 798                          + (scaledIconSize - m_scaledPixmapSize.height()) / 2);
 799     }
 800
 801     m_iconRect = QRectF(m_pixmapPos, QSizeF(m_scaledPixmapSize));
 802
 803     // Prepare the pixmap that is used when the item gets hovered
 804     if (isHovered()) {
 805         m_hoverPixmap = m_pixmap;
 806         KIconEffect* effect = KIconLoader::global()->iconEffect();
 807         // In the KIconLoader terminology, active = hover.
 808         if (effect->hasEffect(KIconLoader::Desktop, KIconLoader::ActiveState)) {
 809             m_hoverPixmap = effect->apply(m_pixmap, KIconLoader::Desktop, KIconLoader::ActiveState);
 810         } else {
 811             m_hoverPixmap = m_pixmap;
 812         }
 813     } else if (hoverOpacity() <= 0.0) {
 814         // No hover animation is ongoing. Clear m_hoverPixmap to save memory.
 815         m_hoverPixmap = QPixmap();
 816     }
 817 }
 818
 819 void KStandardItemListWidget::updateTextsCache()
 820 {
 821     QTextOption textOption;
 822     switch (m_layout) {
 823     case IconsLayout:
 824         textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
 825         textOption.setAlignment(Qt::AlignHCenter);
 826         break;
 827     case CompactLayout:
 828     case DetailsLayout:
 829         textOption.setAlignment(Qt::AlignLeft);
 830         textOption.setWrapMode(QTextOption::NoWrap);
 831         break;
 832     default:
 833         Q_ASSERT(false);
 834         break;
 835     }
 836
 837     qDeleteAll(m_textInfo);
 838     m_textInfo.clear();
 839     for (int i = 0; i < m_sortedVisibleRoles.count(); ++i) {
 840         TextInfo* textInfo = new TextInfo();
 841         textInfo->staticText.setTextFormat(Qt::PlainText);
 842         textInfo->staticText.setPerformanceHint(QStaticText::AggressiveCaching);
 843         textInfo->staticText.setTextOption(textOption);
 844         m_textInfo.insert(m_sortedVisibleRoles[i], textInfo);
 845     }
 846
 847     switch (m_layout) {
 848     case IconsLayout:   updateIconsLayoutTextCache(); break;
 849     case CompactLayout: updateCompactLayoutTextCache(); break;
 850     case DetailsLayout: updateDetailsLayoutTextCache(); break;
 851     default: Q_ASSERT(false); break;
 852     }
 853
 854     const TextInfo* ratingTextInfo = m_textInfo.value("rating");
 855     if (ratingTextInfo) {
 856         // The text of the rating-role has been set to empty to get
 857         // replaced by a rating-image showing the rating as stars.
 858         const KItemListStyleOption& option = styleOption();
 859         QSizeF ratingSize = preferredRatingSize(option);
 860
 861         const qreal availableWidth = (m_layout == DetailsLayout)
 862                                      ? columnWidth("rating") - columnPadding(option)
 863                                      : m_textRect.width();
 864         if (ratingSize.width() > availableWidth) {
 865             ratingSize.rwidth() = availableWidth;
 866         }
 867         m_rating = QPixmap(ratingSize.toSize());
 868         m_rating.fill(Qt::transparent);
 869
 870         QPainter painter(&m_rating);
 871         const QRect rect(0, 0, m_rating.width(), m_rating.height());
 872         const int rating = data().value("rating").toInt();
 873         KRatingPainter::paintRating(&painter, rect, Qt::AlignJustify | Qt::AlignVCenter, rating);
 874     } else if (!m_rating.isNull()) {
 875         m_rating = QPixmap();
 876     }
 877 }
 878
 879 void KStandardItemListWidget::updateIconsLayoutTextCache()
 880 {
 881     //      +------+
 882     //      | Icon |
 883     //      +------+
 884     //
 885     //    Name role that
 886     // might get wrapped above
 887     //    several lines.
 888     //  Additional role 1
 889     //  Additional role 2
 890
 891     const QHash<QByteArray, QVariant> values = data();
 892
 893     const KItemListStyleOption& option = styleOption();
 894     const qreal padding = option.padding;
 895     const qreal maxWidth = size().width() - 2 * padding;
 896     const qreal widgetHeight = size().height();
 897     const qreal lineSpacing = option.fontMetrics.lineSpacing();
 898
 899     // Initialize properties for the "text" role. It will be used as anchor
 900     // for initializing the position of the other roles.
 901     TextInfo* nameTextInfo = m_textInfo.value("text");
 902     const QString nameText = KStringHandler::preProcessWrap(values["text"].toString());
 903     nameTextInfo->staticText.setText(nameText);
 904
 905     // Calculate the number of lines required for the name and the required width
 906     qreal nameWidth = 0;
 907     qreal nameHeight = 0;
 908     QTextLine line;
 909
 910     const int additionalRolesCount = qMax(visibleRoles().count() - 1, 0);
 911     const int maxNameLines = (option.maxTextSize.height() / int(lineSpacing)) - additionalRolesCount;
 912
 913     QTextLayout layout(nameTextInfo->staticText.text(), option.font);
 914     layout.setTextOption(nameTextInfo->staticText.textOption());
 915     layout.beginLayout();
 916     int nameLineIndex = 0;
 917     while ((line = layout.createLine()).isValid()) {
 918         line.setLineWidth(maxWidth);
 919         nameWidth = qMax(nameWidth, line.naturalTextWidth());
 920         nameHeight += line.height();
 921
 922         ++nameLineIndex;
 923         if (nameLineIndex == maxNameLines) {
 924             // The maximum number of textlines has been reached. If this is
 925             // the case provide an elided text if necessary.
 926             const int textLength = line.textStart() + line.textLength();
 927             if (textLength < nameText.length()) {
 928                 // Elide the last line of the text
 929                 QString lastTextLine = nameText.mid(line.textStart(), line.textLength());
 930                 lastTextLine = option.fontMetrics.elidedText(lastTextLine,
 931                                                              Qt::ElideRight,
 932                                                              line.naturalTextWidth() - 1);
 933                 const QString elidedText = nameText.left(line.textStart()) + lastTextLine;
 934                 nameTextInfo->staticText.setText(elidedText);
 935             }
 936             break;
 937         }
 938     }
 939     layout.endLayout();
 940
 941     // Use one line for each additional information
 942     nameTextInfo->staticText.setTextWidth(maxWidth);
 943     nameTextInfo->pos = QPointF(padding, widgetHeight -
 944                                          nameHeight -
 945                                          additionalRolesCount * lineSpacing -
 946                                          padding);
 947     m_textRect = QRectF(padding + (maxWidth - nameWidth) / 2,
 948                         nameTextInfo->pos.y(),
 949                         nameWidth,
 950                         nameHeight);
 951
 952     // Calculate the position for each additional information
 953     qreal y = nameTextInfo->pos.y() + nameHeight;
 954     foreach (const QByteArray& role, m_sortedVisibleRoles) {
 955         if (role == "text") {
 956             continue;
 957         }
 958
 959         const QString text = roleText(role, values);
 960         TextInfo* textInfo = m_textInfo.value(role);
 961         textInfo->staticText.setText(text);
 962
 963         qreal requiredWidth = 0;
 964
 965         QTextLayout layout(text, option.font);
 966         QTextOption textOption;
 967         textOption.setWrapMode(QTextOption::NoWrap);
 968         layout.setTextOption(textOption);
 969
 970         layout.beginLayout();
 971         QTextLine textLine = layout.createLine();
 972         if (textLine.isValid()) {
 973             textLine.setLineWidth(maxWidth);
 974             requiredWidth = textLine.naturalTextWidth();
 975             if (requiredWidth > maxWidth) {
 976                 const QString elidedText = option.fontMetrics.elidedText(text, Qt::ElideRight, maxWidth);
 977                 textInfo->staticText.setText(elidedText);
 978                 requiredWidth = option.fontMetrics.width(elidedText);
 979             }
 980         }
 981         layout.endLayout();
 982
 983         textInfo->pos = QPointF(padding, y);
 984         textInfo->staticText.setTextWidth(maxWidth);
 985
 986         const QRectF textRect(padding + (maxWidth - requiredWidth) / 2, y, requiredWidth, lineSpacing);
 987         m_textRect |= textRect;
 988
 989         y += lineSpacing;
 990     }
 991
 992     // Add a padding to the text rectangle
 993     m_textRect.adjust(-padding, -padding, padding, padding);
 994 }
 995
 996 void KStandardItemListWidget::updateCompactLayoutTextCache()
 997 {
 998     // +------+  Name role
 999     // | Icon |  Additional role 1
1000     // +------+  Additional role 2
1001
1002     const QHash<QByteArray, QVariant> values = data();
1003
1004     const KItemListStyleOption& option = styleOption();
1005     const qreal widgetHeight = size().height();
1006     const qreal lineSpacing = option.fontMetrics.lineSpacing();
1007     const qreal textLinesHeight = qMax(visibleRoles().count(), 1) * lineSpacing;
1008     const int scaledIconSize = (textLinesHeight < option.iconSize) ? widgetHeight - 2 * option.padding : option.iconSize;
1009
1010     qreal maximumRequiredTextWidth = 0;
1011     const qreal x = option.padding * 3 + scaledIconSize;
1012     qreal y = qRound((widgetHeight - textLinesHeight) / 2);
1013     const qreal maxWidth = size().width() - x - option.padding;
1014     foreach (const QByteArray& role, m_sortedVisibleRoles) {
1015         const QString text = roleText(role, values);
1016         TextInfo* textInfo = m_textInfo.value(role);
1017         textInfo->staticText.setText(text);
1018
1019         qreal requiredWidth = option.fontMetrics.width(text);
1020         if (requiredWidth > maxWidth) {
1021             requiredWidth = maxWidth;
1022             const QString elidedText = option.fontMetrics.elidedText(text, Qt::ElideRight, maxWidth);
1023             textInfo->staticText.setText(elidedText);
1024         }
1025
1026         textInfo->pos = QPointF(x, y);
1027         textInfo->staticText.setTextWidth(maxWidth);
1028
1029         maximumRequiredTextWidth = qMax(maximumRequiredTextWidth, requiredWidth);
1030
1031         y += lineSpacing;
1032     }
1033
1034     m_textRect = QRectF(x - option.padding, 0, maximumRequiredTextWidth + 2 * option.padding, widgetHeight);
1035 }
1036
1037 void KStandardItemListWidget::updateDetailsLayoutTextCache()
1038 {
1039     // Precondition: Requires already updated m_expansionArea
1040     // to determine the left position.
1041
1042     // +------+
1043     // | Icon |  Name role   Additional role 1   Additional role 2
1044     // +------+
1045     m_textRect = QRectF();
1046
1047     const KItemListStyleOption& option = styleOption();
1048     const QHash<QByteArray, QVariant> values = data();
1049
1050     const qreal widgetHeight = size().height();
1051     const int scaledIconSize = widgetHeight - 2 * option.padding;
1052     const int fontHeight = option.fontMetrics.height();
1053
1054     const qreal columnWidthInc = columnPadding(option);
1055     qreal firstColumnInc = scaledIconSize;
1056     if (m_supportsItemExpanding) {
1057         firstColumnInc += (m_expansionArea.left() + m_expansionArea.right() + widgetHeight) / 2;
1058     } else {
1059         firstColumnInc += option.padding;
1060     }
1061
1062     qreal x = firstColumnInc;
1063     const qreal y = qMax(qreal(option.padding), (widgetHeight - fontHeight) / 2);
1064
1065     foreach (const QByteArray& role, m_sortedVisibleRoles) {
1066         QString text = roleText(role, values);
1067
1068         // Elide the text in case it does not fit into the available column-width
1069         qreal requiredWidth = option.fontMetrics.width(text);
1070         const qreal roleWidth = columnWidth(role);
1071         qreal availableTextWidth = roleWidth - columnWidthInc;
1072
1073         const bool isTextRole = (role == "text");
1074         if (isTextRole) {
1075             availableTextWidth -= firstColumnInc;
1076         }
1077
1078         if (requiredWidth > availableTextWidth) {
1079             text = option.fontMetrics.elidedText(text, Qt::ElideRight, availableTextWidth);
1080             requiredWidth = option.fontMetrics.width(text);
1081         }
1082
1083         TextInfo* textInfo = m_textInfo.value(role);
1084         textInfo->staticText.setText(text);
1085         textInfo->pos = QPointF(x + columnWidthInc / 2, y);
1086         x += roleWidth;
1087
1088         if (isTextRole) {
1089             const qreal textWidth = option.extendedSelectionRegion
1090                                     ? size().width() - textInfo->pos.x()
1091                                     : requiredWidth + 2 * option.padding;
1092             m_textRect = QRectF(textInfo->pos.x() - option.padding, 0,
1093                                 textWidth, size().height());
1094
1095             // The column after the name should always be aligned on the same x-position independent
1096             // from the expansion-level shown in the name column
1097             x -= firstColumnInc;
1098         } else if (isRoleRightAligned(role)) {
1099             textInfo->pos.rx() += roleWidth - requiredWidth - columnWidthInc;
1100         }
1101     }
1102 }
1103
1104 void KStandardItemListWidget::updateAdditionalInfoTextColor()
1105 {
1106     QColor c1;
1107     if (m_customTextColor.isValid()) {
1108         c1 = m_customTextColor;
1109     } else if (isSelected() && m_layout != DetailsLayout) {
1110         c1 = styleOption().palette.highlightedText().color();
1111     } else {
1112         c1 = styleOption().palette.text().color();
1113     }
1114
1115     // For the color of the additional info the inactive text color
1116     // is not used as this might lead to unreadable text for some color schemes. Instead
1117     // the text color c1 is slightly mixed with the background color.
1118     const QColor c2 = styleOption().palette.base().color();
1119     const int p1 = 70;
1120     const int p2 = 100 - p1;
1121     m_additionalInfoTextColor = QColor((c1.red()   * p1 + c2.red()   * p2) / 100,
1122                                        (c1.green() * p1 + c2.green() * p2) / 100,
1123                                        (c1.blue()  * p1 + c2.blue()  * p2) / 100);
1124 }
1125
1126 void KStandardItemListWidget::drawPixmap(QPainter* painter, const QPixmap& pixmap)
1127 {
1128     if (m_scaledPixmapSize != pixmap.size()) {
1129         QPixmap scaledPixmap = pixmap;
1130         KPixmapModifier::scale(scaledPixmap, m_scaledPixmapSize);
1131         painter->drawPixmap(m_pixmapPos, scaledPixmap);
1132
1133 #ifdef KFILEITEMLISTWIDGET_DEBUG
1134         painter->setPen(Qt::blue);
1135         painter->drawRect(QRectF(m_pixmapPos, QSizeF(m_scaledPixmapSize)));
1136 #endif
1137     } else {
1138         painter->drawPixmap(m_pixmapPos, pixmap);
1139     }
1140 }
1141
1142 void KStandardItemListWidget::drawSiblingsInformation(QPainter* painter)
1143 {
1144     const int siblingSize = size().height();
1145     const int x = (m_expansionArea.left() + m_expansionArea.right() - siblingSize) / 2;
1146     QRect siblingRect(x, 0, siblingSize, siblingSize);
1147
1148     QStyleOption option;
1149     bool isItemSibling = true;
1150
1151     const QBitArray siblings = siblingsInformation();
1152     for (int i = siblings.count() - 1; i >= 0; --i) {
1153         option.rect = siblingRect;
1154         option.state = siblings.at(i) ? QStyle::State_Sibling : QStyle::State_None;
1155
1156         if (isItemSibling) {
1157             option.state |= QStyle::State_Item;
1158             if (m_isExpandable) {
1159                 option.state |= QStyle::State_Children;
1160             }
1161             if (data()["isExpanded"].toBool()) {
1162                 option.state |= QStyle::State_Open;
1163             }
1164             isItemSibling = false;
1165         }
1166
1167         style()->drawPrimitive(QStyle::PE_IndicatorBranch, &option, painter);
1168
1169         siblingRect.translate(-siblingRect.width(), 0);
1170     }
1171 }
1172
1173 QRectF KStandardItemListWidget::roleEditingRect(const QByteArray& role) const
1174 {
1175     const TextInfo* textInfo = m_textInfo.value(role);
1176     if (!textInfo) {
1177         return QRectF();
1178     }
1179
1180     QRectF rect(textInfo->pos, textInfo->staticText.size());
1181     if (m_layout == DetailsLayout) {
1182         rect.setWidth(columnWidth(role) - rect.x());
1183     }
1184
1185     return rect;
1186 }
1187
1188 QPixmap KStandardItemListWidget::pixmapForIcon(const QString& name, int size)
1189 {
1190     const KIcon icon(name);
1191
1192     int requestedSize;
1193     if (size <= KIconLoader::SizeSmall) {
1194         requestedSize = KIconLoader::SizeSmall;
1195     } else if (size <= KIconLoader::SizeSmallMedium) {
1196         requestedSize = KIconLoader::SizeSmallMedium;
1197     } else if (size <= KIconLoader::SizeMedium) {
1198         requestedSize = KIconLoader::SizeMedium;
1199     } else if (size <= KIconLoader::SizeLarge) {
1200         requestedSize = KIconLoader::SizeLarge;
1201     } else if (size <= KIconLoader::SizeHuge) {
1202         requestedSize = KIconLoader::SizeHuge;
1203     } else if (size <= KIconLoader::SizeEnormous) {
1204         requestedSize = KIconLoader::SizeEnormous;
1205     } else if (size <= KIconLoader::SizeEnormous * 2) {
1206         requestedSize = KIconLoader::SizeEnormous * 2;
1207     } else {
1208         requestedSize = size;
1209     }
1210
1211     QPixmap pixmap = icon.pixmap(requestedSize, requestedSize);
1212     if (requestedSize != size) {
1213         KPixmapModifier::scale(pixmap, QSize(size, size));
1214     }
1215
1216     return pixmap;
1217 }
1218
1219 void KStandardItemListWidget::applyCutEffect(QPixmap& pixmap)
1220 {
1221     KIconEffect* effect = KIconLoader::global()->iconEffect();
1222     pixmap = effect->apply(pixmap, KIconLoader::Desktop, KIconLoader::DisabledState);
1223 }
1224
1225 void KStandardItemListWidget::applyHiddenEffect(QPixmap& pixmap)
1226 {
1227     KIconEffect::semiTransparent(pixmap);
1228 }
1229
1230 QSizeF KStandardItemListWidget::preferredRatingSize(const KItemListStyleOption& option)
1231 {
1232     const qreal height = option.fontMetrics.ascent();
1233     return QSizeF(height * 5, height);
1234 }
1235
1236 qreal KStandardItemListWidget::columnPadding(const KItemListStyleOption& option)
1237 {
1238     return option.padding * 6;
1239 }
1240
1241 #include "kstandarditemlistwidget.moc"