X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/b4efdc620e8ce7571b45d7bfe22f30271871b9f9..16e3d669de256aab86f957cd5b3bee91bd2fbbff:/src/kitemviews/kstandarditemlistwidget.cpp diff --git a/src/kitemviews/kstandarditemlistwidget.cpp b/src/kitemviews/kstandarditemlistwidget.cpp index 4b9f33b6f..51c5bc896 100644 --- a/src/kitemviews/kstandarditemlistwidget.cpp +++ b/src/kitemviews/kstandarditemlistwidget.cpp @@ -22,19 +22,16 @@ #include "kfileitemlistview.h" #include "kfileitemmodel.h" -#include +#include #include #include -#include -#include +#include #include -#include #include "private/kfileitemclipboard.h" #include "private/kitemlistroleeditor.h" #include "private/kpixmapmodifier.h" -#include #include #include #include @@ -43,6 +40,7 @@ #include #include #include +#include // #define KSTANDARDITEMLISTWIDGET_DEBUG @@ -55,77 +53,25 @@ KStandardItemListWidgetInformant::~KStandardItemListWidgetInformant() { } -QSizeF KStandardItemListWidgetInformant::itemSizeHint(int index, const KItemListView* view) const +void KStandardItemListWidgetInformant::calculateItemSizeHints(QVector& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const { - const KItemListStyleOption& option = view->styleOption(); - const int additionalRolesCount = qMax(view->visibleRoles().count() - 1, 0); - switch (static_cast(view)->itemLayout()) { - case KStandardItemListWidget::IconsLayout: { - const QString text = KStringHandler::preProcessWrap(itemText(index, view)); - - const qreal itemWidth = view->itemSize().width(); - const qreal maxWidth = itemWidth - 2 * option.padding; - QTextLine line; - - // Calculate the number of lines required for wrapping the name - QTextOption textOption(Qt::AlignHCenter); - textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); - - qreal textHeight = 0; - QTextLayout layout(text, option.font); - layout.setTextOption(textOption); - layout.beginLayout(); - while ((line = layout.createLine()).isValid()) { - line.setLineWidth(maxWidth); - line.naturalTextWidth(); - textHeight += line.height(); - } - layout.endLayout(); - - // Add one line for each additional information - textHeight += additionalRolesCount * option.fontMetrics.lineSpacing(); - - const qreal maxTextHeight = option.maxTextSize.height(); - if (maxTextHeight > 0 && textHeight > maxTextHeight) { - textHeight = maxTextHeight; - } - - return QSizeF(itemWidth, textHeight + option.iconSize + option.padding * 3); - } - - case KStandardItemListWidget::CompactLayout: { - // For each row exactly one role is shown. Calculate the maximum required width that is necessary - // to show all roles without horizontal clipping. - qreal maximumRequiredWidth = 0.0; - - const QHash values = view->model()->data(index); - foreach (const QByteArray& role, view->visibleRoles()) { - const QString text = roleText(role, values); - const qreal requiredWidth = option.fontMetrics.width(text); - maximumRequiredWidth = qMax(maximumRequiredWidth, requiredWidth); - } + case KStandardItemListWidget::IconsLayout: + calculateIconsLayoutItemSizeHints(logicalHeightHints, logicalWidthHint, view); + break; - qreal width = option.padding * 4 + option.iconSize + maximumRequiredWidth; - const qreal maxWidth = option.maxTextSize.width(); - if (maxWidth > 0 && width > maxWidth) { - width = maxWidth; - } - const qreal height = option.padding * 2 + qMax(option.iconSize, (1 + additionalRolesCount) * option.fontMetrics.lineSpacing()); - return QSizeF(width, height); - } + case KStandardItemListWidget::CompactLayout: + calculateCompactLayoutItemSizeHints(logicalHeightHints, logicalWidthHint, view); + break; - case KStandardItemListWidget::DetailsLayout: { - const qreal height = option.padding * 2 + qMax(option.iconSize, option.fontMetrics.height()); - return QSizeF(-1, height); - } + case KStandardItemListWidget::DetailsLayout: + calculateDetailsLayoutItemSizeHints(logicalHeightHints, logicalWidthHint, view); + break; default: Q_ASSERT(false); break; } - - return QSize(); } qreal KStandardItemListWidgetInformant::preferredRoleColumnWidth(const QByteArray& role, @@ -138,16 +84,22 @@ qreal KStandardItemListWidgetInformant::preferredRoleColumnWidth(const QByteArra const QString text = roleText(role, values); qreal width = KStandardItemListWidget::columnPadding(option); + const QFontMetrics& normalFontMetrics = option.fontMetrics; + const QFontMetrics linkFontMetrics(customizedFontForLinks(option.font)); + if (role == "rating") { width += KStandardItemListWidget::preferredRatingSize(option).width(); } else { - width += option.fontMetrics.width(text); + // 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.width(text); if (role == "text") { if (view->supportsItemExpanding()) { // Increase the width by the expansion-toggle and the current expansion level const int expandedParentsCount = values.value("expandedParentsCount", 0).toInt(); - const qreal height = option.padding * 2 + qMax(option.iconSize, option.fontMetrics.height()); + const qreal height = option.padding * 2 + qMax(option.iconSize, fontMetrics.height()); width += (expandedParentsCount + 1) * height; } @@ -164,6 +116,13 @@ QString KStandardItemListWidgetInformant::itemText(int index, const KItemListVie return view->model()->data(index).value("text").toString(); } +bool KStandardItemListWidgetInformant::itemIsLink(int index, const KItemListView* view) const +{ + Q_UNUSED(index); + Q_UNUSED(view); + return false; +} + QString KStandardItemListWidgetInformant::roleText(const QByteArray& role, const QHash& values) const { @@ -174,6 +133,121 @@ QString KStandardItemListWidgetInformant::roleText(const QByteArray& role, return values.value(role).toString(); } +QFont KStandardItemListWidgetInformant::customizedFontForLinks(const QFont& baseFont) const +{ + return baseFont; +} + +void KStandardItemListWidgetInformant::calculateIconsLayoutItemSizeHints(QVector& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const +{ + const KItemListStyleOption& option = view->styleOption(); + const QFont& normalFont = option.font; + const int additionalRolesCount = qMax(view->visibleRoles().count() - 1, 0); + + const qreal itemWidth = view->itemSize().width(); + const qreal maxWidth = itemWidth - 2 * option.padding; + const qreal additionalRolesSpacing = additionalRolesCount * option.fontMetrics.lineSpacing(); + const qreal spacingAndIconHeight = option.iconSize + option.padding * 3; + + const QFont linkFont = customizedFontForLinks(normalFont); + + QTextOption textOption(Qt::AlignHCenter); + textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); + + for (int index = 0; index < logicalHeightHints.count(); ++index) { + if (logicalHeightHints.at(index) > 0.0) { + continue; + } + + // If the current item is a link, we use the customized link font instead of the normal font. + 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); + layout.setTextOption(textOption); + layout.beginLayout(); + QTextLine line; + int lineCount = 0; + while ((line = layout.createLine()).isValid()) { + line.setLineWidth(maxWidth); + line.naturalTextWidth(); + textHeight += line.height(); + + ++lineCount; + if (lineCount == option.maxTextLines) { + break; + } + } + layout.endLayout(); + + // Add one line for each additional information + textHeight += additionalRolesSpacing; + + logicalHeightHints[index] = textHeight + spacingAndIconHeight; + } + + logicalWidthHint = itemWidth; +} + +void KStandardItemListWidgetInformant::calculateCompactLayoutItemSizeHints(QVector& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const +{ + const KItemListStyleOption& option = view->styleOption(); + const QFontMetrics& normalFontMetrics = option.fontMetrics; + const int additionalRolesCount = qMax(view->visibleRoles().count() - 1, 0); + + const QList& visibleRoles = view->visibleRoles(); + const bool showOnlyTextRole = (visibleRoles.count() == 1) && (visibleRoles.first() == "text"); + const qreal maxWidth = option.maxTextWidth; + const qreal paddingAndIconWidth = option.padding * 4 + option.iconSize; + const qreal height = option.padding * 2 + qMax(option.iconSize, (1 + additionalRolesCount) * normalFontMetrics.lineSpacing()); + + const QFontMetrics linkFontMetrics(customizedFontForLinks(option.font)); + + for (int index = 0; index < logicalHeightHints.count(); ++index) { + if (logicalHeightHints.at(index) > 0.0) { + continue; + } + + // If the 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; + + // For each row exactly one role is shown. Calculate the maximum required width that is necessary + // to show all roles without horizontal clipping. + qreal maximumRequiredWidth = 0.0; + + if (showOnlyTextRole) { + maximumRequiredWidth = fontMetrics.width(itemText(index, view)); + } else { + const QHash& values = view->model()->data(index); + foreach (const QByteArray& role, visibleRoles) { + const QString& text = roleText(role, values); + const qreal requiredWidth = fontMetrics.width(text); + maximumRequiredWidth = qMax(maximumRequiredWidth, requiredWidth); + } + } + + qreal width = paddingAndIconWidth + maximumRequiredWidth; + if (maxWidth > 0 && width > maxWidth) { + width = maxWidth; + } + + logicalHeightHints[index] = width; + } + + logicalWidthHint = height; +} + +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); + logicalWidthHint = -1.0; +} + KStandardItemListWidget::KStandardItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent) : KItemListWidget(informant, parent), m_isCut(false), @@ -269,6 +343,7 @@ void KStandardItemListWidget::paint(QPainter* painter, const QStyleOptionGraphic */ // Paint pixmap1 so that pixmap1 = m_pixmap * (1.0 - hoverOpacity()) QPixmap pixmap1(m_pixmap.size()); + pixmap1.setDevicePixelRatio(m_pixmap.devicePixelRatio()); pixmap1.fill(Qt::transparent); { QPainter p(&pixmap1); @@ -278,6 +353,7 @@ void KStandardItemListWidget::paint(QPainter* painter, const QStyleOptionGraphic // Paint pixmap2 so that pixmap2 = m_hoverPixmap * hoverOpacity() QPixmap pixmap2(pixmap1.size()); + pixmap2.setDevicePixelRatio(pixmap1.devicePixelRatio()); pixmap2.fill(Qt::transparent); { QPainter p(&pixmap2); @@ -420,6 +496,29 @@ QRectF KStandardItemListWidget::textFocusRect() const return m_textRect; } +QRectF KStandardItemListWidget::selectionRect() const +{ + const_cast(this)->triggerCacheRefreshing(); + + switch (m_layout) { + case IconsLayout: + return m_textRect; + + case CompactLayout: + case DetailsLayout: { + const int padding = styleOption().padding; + QRectF adjustedIconRect = iconRect().adjusted(-padding, -padding, padding, padding); + return adjustedIconRect | m_textRect; + } + + default: + Q_ASSERT(false); + break; + } + + return m_textRect; +} + QRectF KStandardItemListWidget::expansionToggleRect() const { const_cast(this)->triggerCacheRefreshing(); @@ -582,6 +681,12 @@ void KStandardItemListWidget::dataChanged(const QHash& cur dirtyRoles = roles; } + // The URL might have changed (i.e., if the sort order of the items has + // been changed). Therefore, the "is cut" state must be updated. + KFileItemClipboard* clipboard = KFileItemClipboard::instance(); + const QUrl itemUrl = data().value("url").toUrl(); + m_isCut = clipboard->isCut(itemUrl); + // The icon-state might depend from other roles and hence is // marked as dirty whenever a role has been changed dirtyRoles.insert("iconPixmap"); @@ -655,10 +760,10 @@ void KStandardItemListWidget::editedRoleChanged(const QByteArray& current, const if (m_roleEditor) { emit roleEditingCanceled(index(), current, data().value(current)); - disconnect(m_roleEditor, SIGNAL(roleEditingCanceled(QByteArray,QVariant)), - this, SLOT(slotRoleEditingCanceled(QByteArray,QVariant))); - disconnect(m_roleEditor, SIGNAL(roleEditingFinished(QByteArray,QVariant)), - this, SLOT(slotRoleEditingFinished(QByteArray,QVariant))); + disconnect(m_roleEditor, &KItemListRoleEditor::roleEditingCanceled, + this, &KStandardItemListWidget::slotRoleEditingCanceled); + disconnect(m_roleEditor, &KItemListRoleEditor::roleEditingFinished, + this, &KStandardItemListWidget::slotRoleEditingFinished); if (m_oldRoleEditor) { m_oldRoleEditor->deleteLater(); @@ -693,10 +798,10 @@ void KStandardItemListWidget::editedRoleChanged(const QByteArray& current, const m_roleEditor->setTextCursor(cursor); } - connect(m_roleEditor, SIGNAL(roleEditingCanceled(QByteArray,QVariant)), - this, SLOT(slotRoleEditingCanceled(QByteArray,QVariant))); - connect(m_roleEditor, SIGNAL(roleEditingFinished(QByteArray,QVariant)), - this, SLOT(slotRoleEditingFinished(QByteArray,QVariant))); + connect(m_roleEditor, &KItemListRoleEditor::roleEditingCanceled, + this, &KStandardItemListWidget::slotRoleEditingCanceled); + connect(m_roleEditor, &KItemListRoleEditor::roleEditingFinished, + this, &KStandardItemListWidget::slotRoleEditingFinished); // Adjust the geometry of the editor QRectF rect = roleEditingRect(current); @@ -730,24 +835,24 @@ void KStandardItemListWidget::showEvent(QShowEvent* event) // Listen to changes of the clipboard to mark the item as cut/uncut KFileItemClipboard* clipboard = KFileItemClipboard::instance(); - const KUrl itemUrl = data().value("url").value(); + const QUrl itemUrl = data().value("url").toUrl(); m_isCut = clipboard->isCut(itemUrl); - connect(clipboard, SIGNAL(cutItemsChanged()), - this, SLOT(slotCutItemsChanged())); + connect(clipboard, &KFileItemClipboard::cutItemsChanged, + this, &KStandardItemListWidget::slotCutItemsChanged); } void KStandardItemListWidget::hideEvent(QHideEvent* event) { - disconnect(KFileItemClipboard::instance(), SIGNAL(cutItemsChanged()), - this, SLOT(slotCutItemsChanged())); + disconnect(KFileItemClipboard::instance(), &KFileItemClipboard::cutItemsChanged, + this, &KStandardItemListWidget::slotCutItemsChanged); KItemListWidget::hideEvent(event); } void KStandardItemListWidget::slotCutItemsChanged() { - const KUrl itemUrl = data().value("url").value(); + const QUrl itemUrl = data().value("url").toUrl(); const bool isCut = KFileItemClipboard::instance()->isCut(itemUrl); if (m_isCut != isCut) { m_isCut = isCut; @@ -802,11 +907,12 @@ void KStandardItemListWidget::updateExpansionArea() const QHash values = data(); const int expandedParentsCount = values.value("expandedParentsCount", 0).toInt(); if (expandedParentsCount >= 0) { + const KItemListStyleOption& option = styleOption(); const qreal widgetHeight = size().height(); - const qreal inc = (widgetHeight - KIconLoader::SizeSmall) / 2; + const qreal inc = (widgetHeight - option.iconSize) / 2; const qreal x = expandedParentsCount * widgetHeight + inc; const qreal y = inc; - m_expansionArea = QRectF(x, y, KIconLoader::SizeSmall, KIconLoader::SizeSmall); + m_expansionArea = QRectF(x, y, option.iconSize, option.iconSize); return; } } @@ -845,14 +951,15 @@ void KStandardItemListWidget::updatePixmapCache() if (iconName.isEmpty()) { // The icon-name has not been not resolved by KFileItemModelRolesUpdater, // use a generic icon as fallback - iconName = QLatin1String("unknown"); + iconName = QStringLiteral("unknown"); } const QStringList overlays = values["iconOverlays"].toStringList(); m_pixmap = pixmapForIcon(iconName, overlays, maxIconHeight); - } else if (m_pixmap.width() != maxIconWidth || m_pixmap.height() != maxIconHeight) { + + } else if (m_pixmap.width() / m_pixmap.devicePixelRatio() != maxIconWidth || m_pixmap.height() / m_pixmap.devicePixelRatio() != maxIconHeight) { // A custom pixmap has been applied. Assure that the pixmap // is scaled to the maximum available size. - KPixmapModifier::scale(m_pixmap, QSize(maxIconWidth, maxIconHeight)); + KPixmapModifier::scale(m_pixmap, QSize(maxIconWidth, maxIconHeight) * qApp->devicePixelRatio()); } if (m_isCut) { @@ -864,7 +971,7 @@ void KStandardItemListWidget::updatePixmapCache() KIconEffect::semiTransparent(m_pixmap); } - if (isSelected()) { + if (m_layout == IconsLayout && isSelected()) { const QColor color = palette().brush(QPalette::Normal, QPalette::Highlight).color(); QImage image = m_pixmap.toImage(); KIconEffect::colorize(image, color, 0.8f); @@ -1016,9 +1123,6 @@ void KStandardItemListWidget::updateIconsLayoutTextCache() qreal nameHeight = 0; QTextLine line; - const int additionalRolesCount = qMax(visibleRoles().count() - 1, 0); - const int maxNameLines = (option.maxTextSize.height() / int(lineSpacing)) - additionalRolesCount; - QTextLayout layout(nameTextInfo->staticText.text(), m_customizedFont); layout.setTextOption(nameTextInfo->staticText.textOption()); layout.beginLayout(); @@ -1029,20 +1133,30 @@ void KStandardItemListWidget::updateIconsLayoutTextCache() nameHeight += line.height(); ++nameLineIndex; - if (nameLineIndex == maxNameLines) { + if (nameLineIndex == option.maxTextLines) { // The maximum number of textlines has been reached. If this is // the case provide an elided text if necessary. const int textLength = line.textStart() + line.textLength(); if (textLength < nameText.length()) { // Elide the last line of the text - QString lastTextLine = nameText.mid(line.textStart()); - lastTextLine = m_customizedFontMetrics.elidedText(lastTextLine, - Qt::ElideRight, - maxWidth); - const QString elidedText = nameText.left(line.textStart()) + lastTextLine; - nameTextInfo->staticText.setText(elidedText); - - const qreal lastLineWidth = m_customizedFontMetrics.boundingRect(lastTextLine).width(); + qreal elidingWidth = maxWidth; + qreal lastLineWidth; + do { + QString lastTextLine = nameText.mid(line.textStart()); + lastTextLine = m_customizedFontMetrics.elidedText(lastTextLine, + Qt::ElideRight, + elidingWidth); + const QString elidedText = nameText.left(line.textStart()) + lastTextLine; + nameTextInfo->staticText.setText(elidedText); + + lastLineWidth = m_customizedFontMetrics.boundingRect(lastTextLine).width(); + + // We do the text eliding in a loop with decreasing width (1 px / iteration) + // to avoid problems related to different width calculation code paths + // within Qt. (see bug 337104) + elidingWidth -= 1.0; + } while (lastLineWidth > maxWidth); + nameWidth = qMax(nameWidth, lastLineWidth); } break; @@ -1051,6 +1165,7 @@ void KStandardItemListWidget::updateIconsLayoutTextCache() layout.endLayout(); // Use one line for each additional information + const int additionalRolesCount = qMax(visibleRoles().count() - 1, 0); nameTextInfo->staticText.setTextWidth(maxWidth); nameTextInfo->pos = QPointF(padding, widgetHeight - nameHeight - @@ -1240,9 +1355,10 @@ void KStandardItemListWidget::updateAdditionalInfoTextColor() void KStandardItemListWidget::drawPixmap(QPainter* painter, const QPixmap& pixmap) { - if (m_scaledPixmapSize != pixmap.size()) { + if (m_scaledPixmapSize != pixmap.size() / pixmap.devicePixelRatio()) { QPixmap scaledPixmap = pixmap; - KPixmapModifier::scale(scaledPixmap, m_scaledPixmapSize); + KPixmapModifier::scale(scaledPixmap, m_scaledPixmapSize * qApp->devicePixelRatio()); + scaledPixmap.setDevicePixelRatio(qApp->devicePixelRatio()); painter->drawPixmap(m_pixmapPos, scaledPixmap); #ifdef KSTANDARDITEMLISTWIDGET_DEBUG @@ -1274,7 +1390,7 @@ void KStandardItemListWidget::drawSiblingsInformation(QPainter* painter) if (m_isExpandable) { option.state |= QStyle::State_Children; } - if (data()["isExpanded"].toBool()) { + if (data().value("isExpanded").toBool()) { option.state |= QStyle::State_Open; } isItemSibling = false; @@ -1303,10 +1419,10 @@ QRectF KStandardItemListWidget::roleEditingRect(const QByteArray& role) const void KStandardItemListWidget::closeRoleEditor() { - disconnect(m_roleEditor, SIGNAL(roleEditingCanceled(QByteArray,QVariant)), - this, SLOT(slotRoleEditingCanceled(QByteArray,QVariant))); - disconnect(m_roleEditor, SIGNAL(roleEditingFinished(QByteArray,QVariant)), - this, SLOT(slotRoleEditingFinished(QByteArray,QVariant))); + disconnect(m_roleEditor, &KItemListRoleEditor::roleEditingCanceled, + this, &KStandardItemListWidget::slotRoleEditingCanceled); + disconnect(m_roleEditor, &KItemListRoleEditor::roleEditingFinished, + this, &KStandardItemListWidget::slotRoleEditingFinished); if (m_roleEditor->hasFocus()) { // If the editing was not ended by a FocusOut event, we have @@ -1324,11 +1440,13 @@ void KStandardItemListWidget::closeRoleEditor() QPixmap KStandardItemListWidget::pixmapForIcon(const QString& name, const QStringList& overlays, int size) { - const QString key = "KStandardItemListWidget:" % name % ":" % overlays.join(":") % ":" % QString::number(size); + static const QIcon fallbackIcon = QIcon::fromTheme(QStringLiteral("unknown")); + size *= qApp->devicePixelRatio(); + const QString key = "KStandardItemListWidget:" % name % ":" % overlays.join(QStringLiteral(":")) % ":" % QString::number(size); QPixmap pixmap; if (!QPixmapCache::find(key, pixmap)) { - const KIcon icon(name); + const QIcon icon = QIcon::fromTheme(name, fallbackIcon); int requestedSize; if (size <= KIconLoader::SizeSmall) { @@ -1349,7 +1467,7 @@ QPixmap KStandardItemListWidget::pixmapForIcon(const QString& name, const QStrin requestedSize = size; } - pixmap = icon.pixmap(requestedSize, requestedSize); + pixmap = icon.pixmap(requestedSize / qApp->devicePixelRatio(), requestedSize / qApp->devicePixelRatio()); if (requestedSize != size) { KPixmapModifier::scale(pixmap, QSize(size, size)); } @@ -1370,6 +1488,7 @@ QPixmap KStandardItemListWidget::pixmapForIcon(const QString& name, const QStrin QPixmapCache::insert(key, pixmap); } + pixmap.setDevicePixelRatio(qApp->devicePixelRatio()); return pixmap; } @@ -1385,4 +1504,3 @@ qreal KStandardItemListWidget::columnPadding(const KItemListStyleOption& option) return option.padding * 6; } -#include "kstandarditemlistwidget.moc"