- connect(m_roleEditor, SIGNAL(roleEditingCanceled(int,QByteArray,QVariant)),
- this, SLOT(slotRoleEditingCanceled(int,QByteArray,QVariant)));
- connect(m_roleEditor, SIGNAL(roleEditingFinished(int,QByteArray,QVariant)),
- this, SLOT(slotRoleEditingFinished(int,QByteArray,QVariant)));
-
- // Adjust the geometry of the editor
- QRectF rect = roleEditingRect(current);
- const int frameWidth = m_roleEditor->frameWidth();
- rect.adjust(-frameWidth, -frameWidth, frameWidth, frameWidth);
- rect.translate(pos());
- if (rect.right() > parent->width()) {
- rect.setWidth(parent->width() - rect.left());
- }
- m_roleEditor->setGeometry(rect.toRect());
- m_roleEditor->show();
- m_roleEditor->setFocus();
-}
-
-void KFileItemListWidget::resizeEvent(QGraphicsSceneResizeEvent* event)
-{
- if (m_roleEditor) {
- setEditedRole(QByteArray());
- Q_ASSERT(!m_roleEditor);
- }
-
- KItemListWidget::resizeEvent(event);
-
- m_dirtyLayout = true;
-}
-
-void KFileItemListWidget::showEvent(QShowEvent* event)
-{
- KItemListWidget::showEvent(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<KUrl>();
- m_isCut = clipboard->isCut(itemUrl);
-
- connect(clipboard, SIGNAL(cutItemsChanged()),
- this, SLOT(slotCutItemsChanged()));
-}
-
-void KFileItemListWidget::hideEvent(QHideEvent* event)
-{
- disconnect(KFileItemClipboard::instance(), SIGNAL(cutItemsChanged()),
- this, SLOT(slotCutItemsChanged()));
-
- KItemListWidget::hideEvent(event);
-}
-
-void KFileItemListWidget::slotCutItemsChanged()
-{
- const KUrl itemUrl = data().value("url").value<KUrl>();
- const bool isCut = KFileItemClipboard::instance()->isCut(itemUrl);
- if (m_isCut != isCut) {
- m_isCut = isCut;
- m_pixmap = QPixmap();
- m_dirtyContent = true;
- update();
- }
-}
-
-void KFileItemListWidget::slotRoleEditingCanceled(int index,
- const QByteArray& role,
- const QVariant& value)
-{
- m_roleEditor->deleteLater();
- m_roleEditor = 0;
- emit roleEditingCanceled(index, role, value);
- setEditedRole(QByteArray());
-}
-
-void KFileItemListWidget::slotRoleEditingFinished(int index,
- const QByteArray& role,
- const QVariant& value)
-{
- m_roleEditor->deleteLater();
- m_roleEditor = 0;
- emit roleEditingFinished(index, role, value);
- setEditedRole(QByteArray());
-}
-
-void KFileItemListWidget::triggerCacheRefreshing()
-{
- if ((!m_dirtyContent && !m_dirtyLayout) || index() < 0) {
- return;
- }
-
- refreshCache();
-
- const QHash<QByteArray, QVariant> values = data();
- m_isExpandable = m_supportsItemExpanding && values["isExpandable"].toBool();
- m_isHidden = values["name"].toString().startsWith(QLatin1Char('.'));
-
- updateExpansionArea();
- updateTextsCache();
- updatePixmapCache();
-
- m_dirtyLayout = false;
- m_dirtyContent = false;
- m_dirtyContentRoles.clear();
-}
-
-void KFileItemListWidget::updateExpansionArea()
-{
- if (m_supportsItemExpanding) {
- const QHash<QByteArray, QVariant> values = data();
- Q_ASSERT(values.contains("expandedParentsCount"));
- const int expandedParentsCount = values.value("expandedParentsCount", 0).toInt();
- if (expandedParentsCount >= 0) {
- const qreal widgetHeight = size().height();
- const qreal inc = (widgetHeight - KIconLoader::SizeSmall) / 2;
- const qreal x = expandedParentsCount * widgetHeight + inc;
- const qreal y = inc;
- m_expansionArea = QRectF(x, y, KIconLoader::SizeSmall, KIconLoader::SizeSmall);
- return;
- }
- }
-
- m_expansionArea = QRectF();
-}
-
-void KFileItemListWidget::updatePixmapCache()
-{
- // Precondition: Requires already updated m_textPos values to calculate
- // the remaining height when the alignment is vertical.
-
- const QSizeF widgetSize = size();
- const bool iconOnTop = (m_layout == IconsLayout);
- const KItemListStyleOption& option = styleOption();
- const qreal padding = option.padding;
-
- const int maxIconWidth = iconOnTop ? widgetSize.width() - 2 * padding : option.iconSize;
- const int maxIconHeight = option.iconSize;
-
- const QHash<QByteArray, QVariant> values = data();
-
- bool updatePixmap = (m_pixmap.width() != maxIconWidth || m_pixmap.height() != maxIconHeight);
- if (!updatePixmap && m_dirtyContent) {
- updatePixmap = m_dirtyContentRoles.isEmpty()
- || m_dirtyContentRoles.contains("iconPixmap")
- || m_dirtyContentRoles.contains("iconName")
- || m_dirtyContentRoles.contains("iconOverlays");
- }
-
- if (updatePixmap) {
- m_pixmap = values["iconPixmap"].value<QPixmap>();
- if (m_pixmap.isNull()) {
- // Use the icon that fits to the MIME-type
- QString iconName = values["iconName"].toString();
- if (iconName.isEmpty()) {
- // The icon-name has not been not resolved by KFileItemModelRolesUpdater,
- // use a generic icon as fallback
- iconName = QLatin1String("unknown");
- }
- m_pixmap = pixmapForIcon(iconName, maxIconHeight);
- } else if (m_pixmap.width() != maxIconWidth || m_pixmap.height() != 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));
- }
-
- const QStringList overlays = values["iconOverlays"].toStringList();
-
- // Strangely KFileItem::overlays() returns empty string-values, so
- // we need to check first whether an overlay must be drawn at all.
- // 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) {
- if (!overlay.isEmpty()) {
- // There is at least one overlay, draw all overlays above m_pixmap
- // and cancel the check
- KIconLoader::global()->drawOverlays(overlays, m_pixmap, KIconLoader::Desktop);
- break;
- }
- }
-
- if (m_isCut) {
- applyCutEffect(m_pixmap);
- }
-
- if (m_isHidden) {
- applyHiddenEffect(m_pixmap);
- }
- }
-
- if (!m_overlay.isNull()) {
- QPainter painter(&m_pixmap);
- painter.drawPixmap(0, m_pixmap.height() - m_overlay.height(), m_overlay);
- }
-
- int scaledIconSize = 0;
- if (iconOnTop) {
- const TextInfo* textInfo = m_textInfo.value("name");
- scaledIconSize = static_cast<int>(textInfo->pos.y() - 2 * padding);
- } else {
- const int textRowsCount = (m_layout == CompactLayout) ? visibleRoles().count() : 1;
- const qreal requiredTextHeight = textRowsCount * option.fontMetrics.height();
- scaledIconSize = (requiredTextHeight < maxIconHeight) ?
- widgetSize.height() - 2 * padding : maxIconHeight;
- }
-
- const int maxScaledIconWidth = iconOnTop ? widgetSize.width() - 2 * padding : scaledIconSize;
- const int maxScaledIconHeight = scaledIconSize;
-
- m_scaledPixmapSize = m_pixmap.size();
- m_scaledPixmapSize.scale(maxScaledIconWidth, maxScaledIconHeight, Qt::KeepAspectRatio);
-
- if (iconOnTop) {
- // Center horizontally and align on bottom within the icon-area
- m_pixmapPos.setX((widgetSize.width() - m_scaledPixmapSize.width()) / 2);
- m_pixmapPos.setY(padding + scaledIconSize - m_scaledPixmapSize.height());
- } else {
- // Center horizontally and vertically within the icon-area
- const TextInfo* textInfo = m_textInfo.value("name");
- m_pixmapPos.setX(textInfo->pos.x() - 2 * padding
- - (scaledIconSize + m_scaledPixmapSize.width()) / 2);
- m_pixmapPos.setY(padding
- + (scaledIconSize - m_scaledPixmapSize.height()) / 2);
- }
-
- m_iconRect = QRectF(m_pixmapPos, QSizeF(m_scaledPixmapSize));
-
- // Prepare the pixmap that is used when the item gets hovered
- if (isHovered()) {
- m_hoverPixmap = m_pixmap;
- KIconEffect* effect = KIconLoader::global()->iconEffect();
- // In the KIconLoader terminology, active = hover.
- if (effect->hasEffect(KIconLoader::Desktop, KIconLoader::ActiveState)) {
- m_hoverPixmap = effect->apply(m_pixmap, KIconLoader::Desktop, KIconLoader::ActiveState);
- } else {
- m_hoverPixmap = m_pixmap;
- }
- } else if (hoverOpacity() <= 0.0) {
- // No hover animation is ongoing. Clear m_hoverPixmap to save memory.
- m_hoverPixmap = QPixmap();
- }
-}
-
-void KFileItemListWidget::updateTextsCache()
-{
- QTextOption textOption;
- switch (m_layout) {
- case IconsLayout:
- textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
- textOption.setAlignment(Qt::AlignHCenter);
- break;
- case CompactLayout:
- case DetailsLayout:
- textOption.setAlignment(Qt::AlignLeft);
- textOption.setWrapMode(QTextOption::NoWrap);
- break;
- default:
- Q_ASSERT(false);
- break;
- }
-
- qDeleteAll(m_textInfo);
- m_textInfo.clear();
- for (int i = 0; i < m_sortedVisibleRoles.count(); ++i) {
- TextInfo* textInfo = new TextInfo();
- textInfo->staticText.setTextFormat(Qt::PlainText);
- textInfo->staticText.setPerformanceHint(QStaticText::AggressiveCaching);
- textInfo->staticText.setTextOption(textOption);
- m_textInfo.insert(m_sortedVisibleRoles[i], textInfo);
- }
-
- switch (m_layout) {
- case IconsLayout: updateIconsLayoutTextCache(); break;
- case CompactLayout: updateCompactLayoutTextCache(); break;
- case DetailsLayout: updateDetailsLayoutTextCache(); break;
- default: Q_ASSERT(false); break;
- }
-
- const TextInfo* ratingTextInfo = m_textInfo.value("rating");
- if (ratingTextInfo) {
- // The text of the rating-role has been set to empty to get
- // replaced by a rating-image showing the rating as stars.
- const KItemListStyleOption& option = styleOption();
- QSizeF ratingSize = preferredRatingSize(option);
-
- const qreal availableWidth = (m_layout == DetailsLayout)
- ? columnWidth("rating") - columnPadding(option)
- : m_textRect.width();
- if (ratingSize.width() > availableWidth) {
- ratingSize.rwidth() = availableWidth;
- }
- m_rating = QPixmap(ratingSize.toSize());
- m_rating.fill(Qt::transparent);
-
- QPainter painter(&m_rating);
- const QRect rect(0, 0, m_rating.width(), m_rating.height());
- const int rating = data().value("rating").toInt();
- KRatingPainter::paintRating(&painter, rect, Qt::AlignJustify | Qt::AlignVCenter, rating);
- } else if (!m_rating.isNull()) {
- m_rating = QPixmap();
- }
-}
-
-void KFileItemListWidget::updateIconsLayoutTextCache()
-{
- // +------+
- // | Icon |
- // +------+
- //
- // Name role that
- // might get wrapped above
- // several lines.
- // Additional role 1
- // Additional role 2
-
- const QHash<QByteArray, QVariant> values = data();
-
- const KItemListStyleOption& option = styleOption();
- const qreal padding = option.padding;
- const qreal maxWidth = size().width() - 2 * padding;
- const qreal widgetHeight = size().height();
- const qreal lineSpacing = option.fontMetrics.lineSpacing();
-
- // Initialize properties for the "name" role. It will be used as anchor
- // for initializing the position of the other roles.
- TextInfo* nameTextInfo = m_textInfo.value("name");
- const QString nameText = KStringHandler::preProcessWrap(values["name"].toString());
- nameTextInfo->staticText.setText(nameText);
-
- // Calculate the number of lines required for the name and the required width
- qreal nameWidth = 0;
- 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(), option.font);
- layout.setTextOption(nameTextInfo->staticText.textOption());
- layout.beginLayout();
- int nameLineIndex = 0;
- while ((line = layout.createLine()).isValid()) {
- line.setLineWidth(maxWidth);
- nameWidth = qMax(nameWidth, line.naturalTextWidth());
- nameHeight += line.height();
-
- ++nameLineIndex;
- if (nameLineIndex == maxNameLines) {
- // 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(), line.textLength());
- lastTextLine = option.fontMetrics.elidedText(lastTextLine,
- Qt::ElideRight,
- line.naturalTextWidth() - 1);
- const QString elidedText = nameText.left(line.textStart()) + lastTextLine;
- nameTextInfo->staticText.setText(elidedText);
- }
- break;
- }
- }
- layout.endLayout();
-
- // Use one line for each additional information
- nameTextInfo->staticText.setTextWidth(maxWidth);
- nameTextInfo->pos = QPointF(padding, widgetHeight -
- nameHeight -
- additionalRolesCount * lineSpacing -
- padding);
- m_textRect = QRectF(padding + (maxWidth - nameWidth) / 2,
- nameTextInfo->pos.y(),
- nameWidth,
- nameHeight);
-
- // Calculate the position for each additional information
- qreal y = nameTextInfo->pos.y() + nameHeight;
- foreach (const QByteArray& role, m_sortedVisibleRoles) {
- if (role == "name") {
- continue;
- }
-
- const QString text = roleText(role, values);
- TextInfo* textInfo = m_textInfo.value(role);
- textInfo->staticText.setText(text);
-
- qreal requiredWidth = 0;
-
- QTextLayout layout(text, option.font);
- QTextOption textOption;
- textOption.setWrapMode(QTextOption::NoWrap);
- layout.setTextOption(textOption);
-
- layout.beginLayout();
- QTextLine textLine = layout.createLine();
- if (textLine.isValid()) {
- textLine.setLineWidth(maxWidth);
- requiredWidth = textLine.naturalTextWidth();
- if (requiredWidth > maxWidth) {
- const QString elidedText = option.fontMetrics.elidedText(text, Qt::ElideRight, maxWidth);
- textInfo->staticText.setText(elidedText);
- requiredWidth = option.fontMetrics.width(elidedText);
- }
- }
- layout.endLayout();
-
- textInfo->pos = QPointF(padding, y);
- textInfo->staticText.setTextWidth(maxWidth);
-
- const QRectF textRect(padding + (maxWidth - requiredWidth) / 2, y, requiredWidth, lineSpacing);
- m_textRect |= textRect;
-
- y += lineSpacing;
- }
-
- // Add a padding to the text rectangle
- m_textRect.adjust(-padding, -padding, padding, padding);
-}
-
-void KFileItemListWidget::updateCompactLayoutTextCache()
-{
- // +------+ Name role
- // | Icon | Additional role 1
- // +------+ Additional role 2
-
- const QHash<QByteArray, QVariant> values = data();
-
- const KItemListStyleOption& option = styleOption();
- const qreal widgetHeight = size().height();
- const qreal lineSpacing = option.fontMetrics.lineSpacing();
- const qreal textLinesHeight = qMax(visibleRoles().count(), 1) * lineSpacing;
- const int scaledIconSize = (textLinesHeight < option.iconSize) ? widgetHeight - 2 * option.padding : option.iconSize;
-
- qreal maximumRequiredTextWidth = 0;
- 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) {
- const QString text = roleText(role, values);
- TextInfo* textInfo = m_textInfo.value(role);
- textInfo->staticText.setText(text);
-
- qreal requiredWidth = option.fontMetrics.width(text);
- if (requiredWidth > maxWidth) {
- requiredWidth = maxWidth;
- const QString elidedText = option.fontMetrics.elidedText(text, Qt::ElideRight, maxWidth);
- textInfo->staticText.setText(elidedText);
- }
-
- textInfo->pos = QPointF(x, y);
- textInfo->staticText.setTextWidth(maxWidth);
-
- maximumRequiredTextWidth = qMax(maximumRequiredTextWidth, requiredWidth);
-
- y += lineSpacing;
- }
-
- m_textRect = QRectF(x - option.padding, 0, maximumRequiredTextWidth + 2 * option.padding, widgetHeight);
-}
-
-void KFileItemListWidget::updateDetailsLayoutTextCache()
-{
- // Precondition: Requires already updated m_expansionArea
- // to determine the left position.
-
- // +------+
- // | Icon | Name role Additional role 1 Additional role 2
- // +------+
- m_textRect = QRectF();
-
- const KItemListStyleOption& option = styleOption();
- const QHash<QByteArray, QVariant> values = data();
-
- const qreal widgetHeight = size().height();
- const int scaledIconSize = widgetHeight - 2 * option.padding;
- const int fontHeight = option.fontMetrics.height();
-
- const qreal columnWidthInc = columnPadding(option);
- qreal firstColumnInc = scaledIconSize;
- if (m_supportsItemExpanding) {
- firstColumnInc += (m_expansionArea.left() + m_expansionArea.right() + widgetHeight) / 2;
- } else {
- firstColumnInc += option.padding;
- }
-
- qreal x = firstColumnInc;
- const qreal y = qMax(qreal(option.padding), (widgetHeight - fontHeight) / 2);
-
- foreach (const QByteArray& role, m_sortedVisibleRoles) {
- const RoleType type = roleType(role);
-
- QString text = roleText(role, values);
-
- // Elide the text in case it does not fit into the available column-width
- qreal requiredWidth = option.fontMetrics.width(text);
- const qreal roleWidth = columnWidth(role);
- qreal availableTextWidth = roleWidth - columnWidthInc;
- if (type == Name) {
- availableTextWidth -= firstColumnInc;
- }
-
- if (requiredWidth > availableTextWidth) {
- text = option.fontMetrics.elidedText(text, Qt::ElideRight, availableTextWidth);
- requiredWidth = option.fontMetrics.width(text);
- }
-
- TextInfo* textInfo = m_textInfo.value(role);
- textInfo->staticText.setText(text);
- textInfo->pos = QPointF(x + columnWidthInc / 2, y);
- x += roleWidth;
-
- switch (type) {
- case Name: {
- const qreal textWidth = option.extendedSelectionRegion
- ? size().width() - textInfo->pos.x()
- : requiredWidth + 2 * option.padding;
- 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;
- break;
- }
- case Size:
- // The values for the size should be right aligned
- textInfo->pos.rx() += roleWidth - requiredWidth - columnWidthInc;
- break;
-
- default:
- break;
- }
- }
-}
-
-void KFileItemListWidget::updateAdditionalInfoTextColor()
-{
- QColor c1;
- if (m_customTextColor.isValid()) {
- c1 = m_customTextColor;
- } else if (isSelected() && m_layout != DetailsLayout) {
- c1 = styleOption().palette.highlightedText().color();
- } else {
- c1 = styleOption().palette.text().color();
- }
-
- // For the color of the additional info the inactive text color
- // is not used as this might lead to unreadable text for some color schemes. Instead
- // the text color c1 is slightly mixed with the background color.
- const QColor c2 = styleOption().palette.base().color();
- const int p1 = 70;
- const int p2 = 100 - p1;
- m_additionalInfoTextColor = QColor((c1.red() * p1 + c2.red() * p2) / 100,
- (c1.green() * p1 + c2.green() * p2) / 100,
- (c1.blue() * p1 + c2.blue() * p2) / 100);
-}
-
-void KFileItemListWidget::drawPixmap(QPainter* painter, const QPixmap& pixmap)
-{
- if (m_scaledPixmapSize != pixmap.size()) {
- QPixmap scaledPixmap = pixmap;
- KPixmapModifier::scale(scaledPixmap, m_scaledPixmapSize);
- painter->drawPixmap(m_pixmapPos, scaledPixmap);
-
-#ifdef KFILEITEMLISTWIDGET_DEBUG
- painter->setPen(Qt::blue);
- painter->drawRect(QRectF(m_pixmapPos, QSizeF(m_scaledPixmapSize)));
-#endif
- } else {
- painter->drawPixmap(m_pixmapPos, pixmap);
- }
-}
-
-void KFileItemListWidget::drawSiblingsInformation(QPainter* painter)
-{
- const int siblingSize = size().height();
- const int x = (m_expansionArea.left() + m_expansionArea.right() - siblingSize) / 2;
- QRect siblingRect(x, 0, siblingSize, siblingSize);
-
- QStyleOption option;
- bool isItemSibling = true;
-
- const QBitArray siblings = siblingsInformation();
- for (int i = siblings.count() - 1; i >= 0; --i) {
- option.rect = siblingRect;
- option.state = siblings.at(i) ? QStyle::State_Sibling : QStyle::State_None;
projects / dolphin.git / blobdiff