X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/f987a1c404663f8f8964596548294dc1ae31f377..d3839617193e92463806580699caa595c892b8a6:/src/kitemviews/kstandarditemlistwidget.cpp diff --git a/src/kitemviews/kstandarditemlistwidget.cpp b/src/kitemviews/kstandarditemlistwidget.cpp index 4018b3c15..b17fac6d5 100644 --- a/src/kitemviews/kstandarditemlistwidget.cpp +++ b/src/kitemviews/kstandarditemlistwidget.cpp @@ -1,21 +1,8 @@ -/*************************************************************************** - * Copyright (C) 2012 by Peter Penz * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - ***************************************************************************/ +/* + * SPDX-FileCopyrightText: 2012 Peter Penz + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ #include "kstandarditemlistwidget.h" @@ -30,6 +17,7 @@ #include #include +#include #include #include #include @@ -48,7 +36,7 @@ KStandardItemListWidgetInformant::~KStandardItemListWidgetInformant() { } -void KStandardItemListWidgetInformant::calculateItemSizeHints(QVector& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const +void KStandardItemListWidgetInformant::calculateItemSizeHints(QVector>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const { switch (static_cast(view)->itemLayout()) { case KStandardItemListView::IconsLayout: @@ -88,7 +76,7 @@ qreal KStandardItemListWidgetInformant::preferredRoleColumnWidth(const QByteArra // If current item is a link, we use the customized link font metrics instead of the normal font metrics. const QFontMetrics& fontMetrics = itemIsLink(index, view) ? linkFontMetrics : normalFontMetrics; - width += fontMetrics.boundingRect(text).width(); + width += fontMetrics.horizontalAdvance(text); if (role == "text") { if (view->supportsItemExpanding()) { @@ -133,7 +121,7 @@ QFont KStandardItemListWidgetInformant::customizedFontForLinks(const QFont& base return baseFont; } -void KStandardItemListWidgetInformant::calculateIconsLayoutItemSizeHints(QVector& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const +void KStandardItemListWidgetInformant::calculateIconsLayoutItemSizeHints(QVector>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const { const KItemListStyleOption& option = view->styleOption(); const QFont& normalFont = option.font; @@ -150,7 +138,7 @@ void KStandardItemListWidgetInformant::calculateIconsLayoutItemSizeHints(QVector textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); for (int index = 0; index < logicalHeightHints.count(); ++index) { - if (logicalHeightHints.at(index) > 0.0) { + if (logicalHeightHints.at(index).first > 0.0) { continue; } @@ -158,7 +146,7 @@ void KStandardItemListWidgetInformant::calculateIconsLayoutItemSizeHints(QVector const QFont& font = itemIsLink(index, view) ? linkFont : normalFont; const QString& text = KStringHandler::preProcessWrap(itemText(index, view)); - + // Calculate the number of lines required for wrapping the name qreal textHeight = 0; QTextLayout layout(text, font); @@ -166,6 +154,7 @@ void KStandardItemListWidgetInformant::calculateIconsLayoutItemSizeHints(QVector layout.beginLayout(); QTextLine line; int lineCount = 0; + bool isElided = false; while ((line = layout.createLine()).isValid()) { line.setLineWidth(maxWidth); line.naturalTextWidth(); @@ -173,6 +162,7 @@ void KStandardItemListWidgetInformant::calculateIconsLayoutItemSizeHints(QVector ++lineCount; if (lineCount == option.maxTextLines) { + isElided = layout.createLine().isValid(); break; } } @@ -181,13 +171,14 @@ void KStandardItemListWidgetInformant::calculateIconsLayoutItemSizeHints(QVector // Add one line for each additional information textHeight += additionalRolesSpacing; - logicalHeightHints[index] = textHeight + spacingAndIconHeight; + logicalHeightHints[index].first = textHeight + spacingAndIconHeight; + logicalHeightHints[index].second = isElided; } logicalWidthHint = itemWidth; } -void KStandardItemListWidgetInformant::calculateCompactLayoutItemSizeHints(QVector& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const +void KStandardItemListWidgetInformant::calculateCompactLayoutItemSizeHints(QVector>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const { const KItemListStyleOption& option = view->styleOption(); const QFontMetrics& normalFontMetrics = option.fontMetrics; @@ -202,7 +193,7 @@ void KStandardItemListWidgetInformant::calculateCompactLayoutItemSizeHints(QVect const QFontMetrics linkFontMetrics(customizedFontForLinks(option.font)); for (int index = 0; index < logicalHeightHints.count(); ++index) { - if (logicalHeightHints.at(index) > 0.0) { + if (logicalHeightHints.at(index).first > 0.0) { continue; } @@ -214,12 +205,12 @@ void KStandardItemListWidgetInformant::calculateCompactLayoutItemSizeHints(QVect qreal maximumRequiredWidth = 0.0; if (showOnlyTextRole) { - maximumRequiredWidth = fontMetrics.boundingRect(itemText(index, view)).width(); + maximumRequiredWidth = fontMetrics.horizontalAdvance(itemText(index, view)); } else { const QHash& values = view->model()->data(index); - foreach (const QByteArray& role, visibleRoles) { + for (const QByteArray& role : visibleRoles) { const QString& text = roleText(role, values); - const qreal requiredWidth = fontMetrics.boundingRect(text).width(); + const qreal requiredWidth = fontMetrics.horizontalAdvance(text); maximumRequiredWidth = qMax(maximumRequiredWidth, requiredWidth); } } @@ -229,22 +220,37 @@ void KStandardItemListWidgetInformant::calculateCompactLayoutItemSizeHints(QVect width = maxWidth; } - logicalHeightHints[index] = width; + logicalHeightHints[index].first = width; } logicalWidthHint = height; } -void KStandardItemListWidgetInformant::calculateDetailsLayoutItemSizeHints(QVector& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const +void KStandardItemListWidgetInformant::calculateDetailsLayoutItemSizeHints(QVector>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const { const KItemListStyleOption& option = view->styleOption(); - const qreal height = option.padding * 2 + qMax(option.iconSize, option.fontMetrics.height()); - logicalHeightHints.fill(height); + + float zoomLevel = 1; + if (option.iconSize >= KIconLoader::SizeEnormous) { + zoomLevel = 2; + } else if (option.iconSize >= KIconLoader::SizeHuge) { + zoomLevel = 1.8; + } else if (option.iconSize >= KIconLoader::SizeLarge) { + zoomLevel = 1.6; + } else if (option.iconSize >= KIconLoader::SizeMedium) { + zoomLevel = 1.4; + } else if (option.iconSize >= KIconLoader::SizeSmallMedium) { + zoomLevel = 1.2; + } + + const qreal contentHeight = qMax(option.iconSize, zoomLevel * option.fontMetrics.height()); + logicalHeightHints.fill(std::make_pair(contentHeight + 2 * option.padding, false)); logicalWidthHint = -1.0; } KStandardItemListWidget::KStandardItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent) : KItemListWidget(informant, parent), + m_textInfo(), m_isCut(false), m_isHidden(false), m_customizedFont(), @@ -258,9 +264,9 @@ KStandardItemListWidget::KStandardItemListWidget(KItemListWidgetInformant* infor m_pixmapPos(), m_pixmap(), m_scaledPixmapSize(), + m_columnWidthSum(), m_iconRect(), m_hoverPixmap(), - m_textInfo(), m_textRect(), m_sortedVisibleRoles(), m_expansionArea(), @@ -302,6 +308,18 @@ KStandardItemListWidget::Layout KStandardItemListWidget::layout() const return m_layout; } +void KStandardItemListWidget::setHighlightEntireRow(bool highlightEntireRow) { + if (m_highlightEntireRow != highlightEntireRow) { + m_highlightEntireRow = highlightEntireRow; + m_dirtyLayout = true; + update(); + } +} + +bool KStandardItemListWidget::highlightEntireRow() const { + return m_highlightEntireRow; +} + void KStandardItemListWidget::setSupportsItemExpanding(bool supportsItemExpanding) { if (m_supportsItemExpanding != supportsItemExpanding) { @@ -327,7 +345,7 @@ void KStandardItemListWidget::paint(QPainter* painter, const QStyleOptionGraphic } const KItemListStyleOption& itemListStyleOption = styleOption(); - if (isHovered()) { + if (isHovered() && !m_pixmap.isNull()) { if (hoverOpacity() < 1.0) { /* * Linear interpolation between m_pixmap and m_hoverPixmap. @@ -370,7 +388,7 @@ void KStandardItemListWidget::paint(QPainter* painter, const QStyleOptionGraphic } else { drawPixmap(painter, m_hoverPixmap); } - } else { + } else if (!m_pixmap.isNull()) { drawPixmap(painter, m_pixmap); } @@ -478,7 +496,7 @@ QRectF KStandardItemListWidget::textFocusRect() const const KItemListStyleOption& option = styleOption(); if (option.extendedSelectionRegion) { const QString text = textInfo->staticText.text(); - rect.setWidth(m_customizedFontMetrics.boundingRect(text).width() + 2 * option.padding); + rect.setWidth(m_customizedFontMetrics.horizontalAdvance(text) + 2 * option.padding); } return rect; @@ -503,7 +521,11 @@ QRectF KStandardItemListWidget::selectionRect() const case DetailsLayout: { const int padding = styleOption().padding; QRectF adjustedIconRect = iconRect().adjusted(-padding, -padding, padding, padding); - return adjustedIconRect | m_textRect; + QRectF result = adjustedIconRect | m_textRect; + if (m_highlightEntireRow) { + result.setRight(m_columnWidthSum + leadingPadding()); + } + return result; } default: @@ -594,6 +616,13 @@ void KStandardItemListWidget::invalidateCache() m_dirtyContent = true; } +void KStandardItemListWidget::invalidateIconCache() +{ + m_dirtyContent = true; + m_dirtyContentRoles.insert("iconPixmap"); + m_dirtyContentRoles.insert("iconOverlays"); +} + void KStandardItemListWidget::refreshCache() { } @@ -671,7 +700,8 @@ void KStandardItemListWidget::dataChanged(const QHash& cur QSet dirtyRoles; if (roles.isEmpty()) { - dirtyRoles = visibleRoles().toSet(); + const auto visibleRoles = this->visibleRoles(); + dirtyRoles = QSet(visibleRoles.constBegin(), visibleRoles.constEnd()); } else { dirtyRoles = roles; } @@ -712,6 +742,11 @@ void KStandardItemListWidget::columnWidthChanged(const QByteArray& role, m_dirtyLayout = true; } +void KStandardItemListWidget::leadingPaddingChanged(qreal padding) { + Q_UNUSED(padding) + m_dirtyLayout = true; +} + void KStandardItemListWidget::styleOptionChanged(const KItemListStyleOption& current, const KItemListStyleOption& previous) { @@ -753,7 +788,7 @@ void KStandardItemListWidget::editedRoleChanged(const QByteArray& current, const QGraphicsView* parent = scene()->views()[0]; if (current.isEmpty() || !parent || current != "text") { if (m_roleEditor) { - emit roleEditingCanceled(index(), current, data().value(current)); + Q_EMIT roleEditingCanceled(index(), current, data().value(current)); disconnect(m_roleEditor, &KItemListRoleEditor::roleEditingCanceled, this, &KStandardItemListWidget::slotRoleEditingCanceled); @@ -776,6 +811,7 @@ void KStandardItemListWidget::editedRoleChanged(const QByteArray& current, const m_roleEditor = new KItemListRoleEditor(parent); m_roleEditor->setRole(current); + m_roleEditor->setAllowUpDownKeyChainEdit(m_layout != IconsLayout); m_roleEditor->setFont(styleOption().font); const QString text = data().value(current).toString(); @@ -878,7 +914,7 @@ void KStandardItemListWidget::slotRoleEditingCanceled(const QByteArray& role, const QVariant& value) { closeRoleEditor(); - emit roleEditingCanceled(index(), role, value); + Q_EMIT roleEditingCanceled(index(), role, value); setEditedRole(QByteArray()); } @@ -886,7 +922,7 @@ void KStandardItemListWidget::slotRoleEditingFinished(const QByteArray& role, const QVariant& value) { closeRoleEditor(); - emit roleEditingFinished(index(), role, value); + Q_EMIT roleEditingFinished(index(), role, value); setEditedRole(QByteArray()); } @@ -903,10 +939,13 @@ void KStandardItemListWidget::triggerCacheRefreshing() m_isHidden = isHidden(); m_customizedFont = customizedFont(styleOption().font); m_customizedFontMetrics = QFontMetrics(m_customizedFont); + m_columnWidthSum = std::accumulate(m_sortedVisibleRoles.begin(), m_sortedVisibleRoles.end(), + qreal(), [this](qreal sum, const auto &role){ return sum + columnWidth(role); }); updateExpansionArea(); updateTextsCache(); updatePixmapCache(); + clearHoverCache(); m_dirtyLayout = false; m_dirtyContent = false; @@ -924,7 +963,8 @@ void KStandardItemListWidget::updateExpansionArea() const qreal inc = (widgetHeight - option.iconSize) / 2; const qreal x = expandedParentsCount * widgetHeight + inc; const qreal y = inc; - m_expansionArea = QRectF(x, y, option.iconSize, option.iconSize); + const qreal xPadding = m_highlightEntireRow ? leadingPadding() : 0; + m_expansionArea = QRectF(xPadding + x, y, option.iconSize, option.iconSize); return; } } @@ -956,7 +996,34 @@ void KStandardItemListWidget::updatePixmapCache() } if (updatePixmap) { - m_pixmap = values["iconPixmap"].value(); + m_pixmap = QPixmap(); + + int sequenceIndex = hoverSequenceIndex(); + + if (values.contains("hoverSequencePixmaps")) { + // Use one of the hover sequence pixmaps instead of the default + // icon pixmap. + + const QVector pixmaps = values["hoverSequencePixmaps"].value>(); + + if (values.contains("hoverSequenceWraparoundPoint")) { + const float wap = values["hoverSequenceWraparoundPoint"].toFloat(); + if (wap >= 1.0f) { + sequenceIndex %= static_cast(wap); + } + } + + const int loadedIndex = qMax(qMin(sequenceIndex, pixmaps.size()-1), 0); + + if (loadedIndex != 0) { + m_pixmap = pixmaps[loadedIndex]; + } + } + + if (m_pixmap.isNull()) { + m_pixmap = values["iconPixmap"].value(); + } + if (m_pixmap.isNull()) { // Use the icon that fits to the MIME-type QString iconName = values["iconName"].toString(); @@ -974,6 +1041,11 @@ void KStandardItemListWidget::updatePixmapCache() KPixmapModifier::scale(m_pixmap, QSize(maxIconWidth, maxIconHeight) * qApp->devicePixelRatio()); } + if (m_pixmap.isNull()) { + m_hoverPixmap = QPixmap(); + return; + } + if (m_isCut) { KIconEffect* effect = KIconLoader::global()->iconEffect(); m_pixmap = effect->apply(m_pixmap, KIconLoader::Desktop, KIconLoader::DisabledState); @@ -986,6 +1058,10 @@ void KStandardItemListWidget::updatePixmapCache() if (m_layout == IconsLayout && isSelected()) { const QColor color = palette().brush(QPalette::Normal, QPalette::Highlight).color(); QImage image = m_pixmap.toImage(); + if (image.isNull()) { + m_hoverPixmap = QPixmap(); + return; + } KIconEffect::colorize(image, color, 0.8f); m_pixmap = QPixmap::fromImage(image); } @@ -1119,13 +1195,13 @@ QString KStandardItemListWidget::elideRightKeepExtension(const QString &text, in if (extensionIndex != -1) { // has file extension const auto extensionLength = text.length() - extensionIndex; - const auto extensionWidth = m_customizedFontMetrics.boundingRect(text.right(extensionLength)).width(); + const auto extensionWidth = m_customizedFontMetrics.horizontalAdvance(text.right(extensionLength)); if (elidingWidth > extensionWidth && extensionLength < 6 && (float(extensionWidth) / float(elidingWidth)) < 0.3) { // if we have room to display the file extension and the extension is not too long QString ret = m_customizedFontMetrics.elidedText(text.chopped(extensionLength), Qt::ElideRight, elidingWidth - extensionWidth); - ret.append(text.right(extensionLength)); + ret.append(text.rightRef(extensionLength)); return ret; } } @@ -1188,7 +1264,7 @@ void KStandardItemListWidget::updateIconsLayoutTextCache() const QString elidedText = nameText.left(line.textStart()) + lastTextLine; nameTextInfo->staticText.setText(elidedText); - lastLineWidth = m_customizedFontMetrics.boundingRect(lastTextLine).width(); + lastLineWidth = m_customizedFontMetrics.horizontalAdvance(lastTextLine); // We do the text eliding in a loop with decreasing width (1 px / iteration) // to avoid problems related to different width calculation code paths @@ -1217,7 +1293,7 @@ void KStandardItemListWidget::updateIconsLayoutTextCache() // Calculate the position for each additional information qreal y = nameTextInfo->pos.y() + nameHeight; - foreach (const QByteArray& role, m_sortedVisibleRoles) { + for (const QByteArray& role : qAsConst(m_sortedVisibleRoles)) { if (role == "text") { continue; } @@ -1241,7 +1317,7 @@ void KStandardItemListWidget::updateIconsLayoutTextCache() if (requiredWidth > maxWidth) { const QString elidedText = elideRightKeepExtension(text, maxWidth); textInfo->staticText.setText(elidedText); - requiredWidth = m_customizedFontMetrics.boundingRect(elidedText).width(); + requiredWidth = m_customizedFontMetrics.horizontalAdvance(elidedText); } else if (role == "rating") { // Use the width of the rating pixmap, because the rating text is empty. requiredWidth = m_rating.width(); @@ -1280,12 +1356,12 @@ void KStandardItemListWidget::updateCompactLayoutTextCache() const qreal x = option.padding * 3 + scaledIconSize; qreal y = qRound((widgetHeight - textLinesHeight) / 2); const qreal maxWidth = size().width() - x - option.padding; - foreach (const QByteArray& role, m_sortedVisibleRoles) { + for (const QByteArray& role : qAsConst(m_sortedVisibleRoles)) { const QString text = roleText(role, values); TextInfo* textInfo = m_textInfo.value(role); textInfo->staticText.setText(text); - qreal requiredWidth = m_customizedFontMetrics.boundingRect(text).width(); + qreal requiredWidth = m_customizedFontMetrics.horizontalAdvance(text); if (requiredWidth > maxWidth) { requiredWidth = maxWidth; const QString elidedText = elideRightKeepExtension(text, maxWidth); @@ -1300,7 +1376,7 @@ void KStandardItemListWidget::updateCompactLayoutTextCache() y += lineSpacing; } - m_textRect = QRectF(x - 2 * option.padding, 0, maximumRequiredTextWidth + 3 * option.padding, widgetHeight); + m_textRect = QRectF(x - option.padding, 0, maximumRequiredTextWidth + 2 * option.padding, widgetHeight); } void KStandardItemListWidget::updateDetailsLayoutTextCache() @@ -1325,28 +1401,28 @@ void KStandardItemListWidget::updateDetailsLayoutTextCache() if (m_supportsItemExpanding) { firstColumnInc += (m_expansionArea.left() + m_expansionArea.right() + widgetHeight) / 2; } else { - firstColumnInc += option.padding; + firstColumnInc += option.padding + leadingPadding(); } qreal x = firstColumnInc; const qreal y = qMax(qreal(option.padding), (widgetHeight - fontHeight) / 2); - foreach (const QByteArray& role, m_sortedVisibleRoles) { + for (const QByteArray& role : qAsConst(m_sortedVisibleRoles)) { QString text = roleText(role, values); // Elide the text in case it does not fit into the available column-width - qreal requiredWidth = m_customizedFontMetrics.boundingRect(text).width(); + qreal requiredWidth = m_customizedFontMetrics.horizontalAdvance(text); const qreal roleWidth = columnWidth(role); qreal availableTextWidth = roleWidth - columnWidthInc; const bool isTextRole = (role == "text"); if (isTextRole) { - availableTextWidth -= firstColumnInc; + availableTextWidth -= firstColumnInc - leadingPadding(); } if (requiredWidth > availableTextWidth) { text = elideRightKeepExtension(text, availableTextWidth); - requiredWidth = m_customizedFontMetrics.boundingRect(text).width(); + requiredWidth = m_customizedFontMetrics.horizontalAdvance(text); } TextInfo* textInfo = m_textInfo.value(role); @@ -1358,12 +1434,12 @@ void KStandardItemListWidget::updateDetailsLayoutTextCache() const qreal textWidth = option.extendedSelectionRegion ? size().width() - textInfo->pos.x() : requiredWidth + 2 * option.padding; - m_textRect = QRectF(textInfo->pos.x() - 2 * option.padding, 0, - textWidth + option.padding, size().height()); + m_textRect = QRectF(textInfo->pos.x() - option.padding, 0, + textWidth, size().height()); // The column after the name should always be aligned on the same x-position independent // from the expansion-level shown in the name column - x -= firstColumnInc; + x -= firstColumnInc - leadingPadding(); } else if (isRoleRightAligned(role)) { textInfo->pos.rx() += roleWidth - requiredWidth - columnWidthInc; } @@ -1375,8 +1451,11 @@ void KStandardItemListWidget::updateAdditionalInfoTextColor() QColor c1; if (m_customTextColor.isValid()) { c1 = m_customTextColor; - } else if (isSelected() && m_layout != DetailsLayout) { - c1 = styleOption().palette.highlightedText().color(); + } else if (isSelected()) { + // The detail text colour needs to match the main text (HighlightedText) for the same level + // of readability. We short circuit early here to avoid interpolating with another colour. + m_additionalInfoTextColor = styleOption().palette.color(QPalette::HighlightedText); + return; } else { c1 = styleOption().palette.text().color(); } @@ -1415,15 +1494,15 @@ void KStandardItemListWidget::drawSiblingsInformation(QPainter* painter) const int x = (m_expansionArea.left() + m_expansionArea.right() - siblingSize) / 2; QRect siblingRect(x, 0, siblingSize, siblingSize); - QStyleOption option; - option.palette.setColor(QPalette::Text, option.palette.color(normalTextColorRole())); bool isItemSibling = true; const QBitArray siblings = siblingsInformation(); + QStyleOption option; + const auto normalColor = option.palette.color(normalTextColorRole()); + const auto highlightColor = option.palette.color(expansionAreaHovered() ? QPalette::Highlight : normalTextColorRole()); for (int i = siblings.count() - 1; i >= 0; --i) { option.rect = siblingRect; option.state = siblings.at(i) ? QStyle::State_Sibling : QStyle::State_None; - if (isItemSibling) { option.state |= QStyle::State_Item; if (m_isExpandable) { @@ -1432,7 +1511,10 @@ void KStandardItemListWidget::drawSiblingsInformation(QPainter* painter) if (data().value("isExpanded").toBool()) { option.state |= QStyle::State_Open; } + option.palette.setColor(QPalette::Text, highlightColor); isItemSibling = false; + } else { + option.palette.setColor(QPalette::Text, normalColor); } style()->drawPrimitive(QStyle::PE_IndicatorBranch, &option, painter); @@ -1487,7 +1569,14 @@ QPixmap KStandardItemListWidget::pixmapForIcon(const QString& name, const QStrin QPixmap pixmap; if (!QPixmapCache::find(key, &pixmap)) { - const QIcon icon = QIcon::fromTheme(name, fallbackIcon); + QIcon icon = QIcon::fromTheme(name); + if (icon.isNull()) { + icon = QIcon(name); + } + if (icon.isNull() + || icon.pixmap(size / qApp->devicePixelRatio(), size / qApp->devicePixelRatio(), mode).isNull()) { + icon = fallbackIcon; + } pixmap = icon.pixmap(size / qApp->devicePixelRatio(), size / qApp->devicePixelRatio(), mode); if (pixmap.width() != size || pixmap.height() != size) { @@ -1499,7 +1588,7 @@ QPixmap KStandardItemListWidget::pixmapForIcon(const QString& name, const QStrin // It is more efficient to do it here, as KIconLoader::drawOverlays() // assumes that an overlay will be drawn and has some additional // setup time. - foreach (const QString& overlay, overlays) { + for (const QString& overlay : overlays) { if (!overlay.isEmpty()) { int state = KIconLoader::DefaultState;