X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/e2b844437e9308a04ddf043ae9d2f5c8ffef97b0..d575e1e88409d819fb92456e8022e8e0322549af:/src/views/tooltips/tooltipmanager.cpp diff --git a/src/views/tooltips/tooltipmanager.cpp b/src/views/tooltips/tooltipmanager.cpp index 09e97861a..bb2890138 100644 --- a/src/views/tooltips/tooltipmanager.cpp +++ b/src/views/tooltips/tooltipmanager.cpp @@ -19,80 +19,82 @@ #include "tooltipmanager.h" -#include "filemetadatatooltip.h" -#include +#include "dolphinfilemetadatawidget.h" + +#include #include +#include +#include #include #include -#include -#include +#include +#include +#include #include +#include -#include -#include - -ToolTipManager::ToolTipManager(QAbstractItemView* parent, - DolphinSortFilterProxyModel* model) : +ToolTipManager::ToolTipManager(QWidget* parent) : QObject(parent), - m_view(parent), - m_dolphinModel(0), - m_proxyModel(model), - m_showToolTipTimer(0), - m_contentRetrievalTimer(0), - m_fileMetaDataToolTip(0), + m_showToolTipTimer(nullptr), + m_contentRetrievalTimer(nullptr), + m_transientParent(nullptr), + m_fileMetaDataWidget(nullptr), m_toolTipRequested(false), m_metaDataRequested(false), m_appliedWaitCursor(false), + m_margin(4), m_item(), m_itemRect() { - static FileMetaDataToolTip* sharedToolTip = 0; - if (sharedToolTip == 0) { - sharedToolTip = new FileMetaDataToolTip(); - // TODO: Using K_GLOBAL_STATIC would be preferable to maintain the - // instance, but the cleanup of KFileMetaDataWidget at this stage does - // not work. + if (parent) { + m_margin = qMax(m_margin, parent->style()->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth)); } - m_fileMetaDataToolTip = sharedToolTip; - connect(m_fileMetaDataToolTip, SIGNAL(metaDataRequestFinished(KFileItemList)), - this, SLOT(slotMetaDataRequestFinished())); - - m_dolphinModel = static_cast(m_proxyModel->sourceModel()); - connect(parent, SIGNAL(entered(const QModelIndex&)), - this, SLOT(requestToolTip(const QModelIndex&))); - connect(parent, SIGNAL(viewportEntered()), - this, SLOT(hideToolTip())); - // Initialize timers m_showToolTipTimer = new QTimer(this); m_showToolTipTimer->setSingleShot(true); m_showToolTipTimer->setInterval(500); - connect(m_showToolTipTimer, SIGNAL(timeout()), this, SLOT(showToolTip())); + connect(m_showToolTipTimer, &QTimer::timeout, this, static_cast(&ToolTipManager::showToolTip)); m_contentRetrievalTimer = new QTimer(this); m_contentRetrievalTimer->setSingleShot(true); m_contentRetrievalTimer->setInterval(200); - connect(m_contentRetrievalTimer, SIGNAL(timeout()), this, SLOT(startContentRetrieval())); + connect(m_contentRetrievalTimer, &QTimer::timeout, this, &ToolTipManager::startContentRetrieval); Q_ASSERT(m_contentRetrievalTimer->interval() < m_showToolTipTimer->interval()); - - // When the mousewheel is used, the items don't get a hovered indication - // (Qt-issue #200665). To assure that the tooltip still gets hidden, - // the scrollbars are observed. - connect(parent->horizontalScrollBar(), SIGNAL(valueChanged(int)), - this, SLOT(hideToolTip())); - connect(parent->verticalScrollBar(), SIGNAL(valueChanged(int)), - this, SLOT(hideToolTip())); - - m_view->viewport()->installEventFilter(this); - m_view->installEventFilter(this); } ToolTipManager::~ToolTipManager() { } +void ToolTipManager::showToolTip(const KFileItem& item, const QRectF& itemRect, QWindow *transientParent) +{ + hideToolTip(); + + m_itemRect = itemRect.toRect(); + + m_itemRect.adjust(-m_margin, -m_margin, m_margin, m_margin); + m_item = item; + + m_transientParent = transientParent; + + // Only start the retrieving of the content, when the mouse has been over this + // item for 200 milliseconds. This prevents a lot of useless preview jobs and + // meta data retrieval, when passing rapidly over a lot of items. + delete m_fileMetaDataWidget; + m_fileMetaDataWidget = new DolphinFileMetaDataWidget(); + connect(m_fileMetaDataWidget, &DolphinFileMetaDataWidget::metaDataRequestFinished, + this, &ToolTipManager::slotMetaDataRequestFinished); + connect(m_fileMetaDataWidget, &DolphinFileMetaDataWidget::urlActivated, + this, &ToolTipManager::urlActivated); + + m_contentRetrievalTimer->start(); + m_showToolTipTimer->start(); + m_toolTipRequested = true; + Q_ASSERT(!m_metaDataRequested); +} + void ToolTipManager::hideToolTip() { if (m_appliedWaitCursor) { @@ -104,50 +106,8 @@ void ToolTipManager::hideToolTip() m_metaDataRequested = false; m_showToolTipTimer->stop(); m_contentRetrievalTimer->stop(); - - m_fileMetaDataToolTip->setItems(KFileItemList()); - m_fileMetaDataToolTip->hide(); -} - -bool ToolTipManager::eventFilter(QObject* watched, QEvent* event) -{ - if (watched == m_view->viewport()) { - switch (event->type()) { - case QEvent::Leave: - case QEvent::MouseButtonPress: - hideToolTip(); - break; - default: - break; - } - } else if ((watched == m_view) && (event->type() == QEvent::KeyPress)) { - hideToolTip(); - } - - return QObject::eventFilter(watched, event); -} - -void ToolTipManager::requestToolTip(const QModelIndex& index) -{ - hideToolTip(); - - // Only request a tooltip for the name column and when no selection or - // drag & drop operation is done (indicated by the left mouse button) - if ((index.column() == DolphinModel::Name) && !(QApplication::mouseButtons() & Qt::LeftButton)) { - m_itemRect = m_view->visualRect(index); - const QPoint pos = m_view->viewport()->mapToGlobal(m_itemRect.topLeft()); - m_itemRect.moveTo(pos); - - const QModelIndex dirIndex = m_proxyModel->mapToSource(index); - m_item = m_dolphinModel->itemForIndex(dirIndex); - - // Only start the retrieving of the content, when the mouse has been over this - // item for 200 milliseconds. This prevents a lot of useless preview jobs and - // meta data retrieval, when passing rapidly over a lot of items. - m_contentRetrievalTimer->start(); - m_showToolTipTimer->start(); - m_toolTipRequested = true; - Q_ASSERT(!m_metaDataRequested); + if (m_tooltipWidget) { + m_tooltipWidget->hideLater(); } } @@ -157,23 +117,31 @@ void ToolTipManager::startContentRetrieval() return; } - m_fileMetaDataToolTip->setName(m_item.text()); + m_fileMetaDataWidget->setName(m_item.text()); // Request the retrieval of meta-data. The slot // slotMetaDataRequestFinished() is invoked after the // meta-data have been received. m_metaDataRequested = true; - m_fileMetaDataToolTip->setItems(KFileItemList() << m_item); + m_fileMetaDataWidget->setItems(KFileItemList() << m_item); + m_fileMetaDataWidget->adjustSize(); // Request a preview of the item - m_fileMetaDataToolTip->setPreview(QPixmap()); + m_fileMetaDataWidget->setPreview(QPixmap()); - KIO::PreviewJob* job = KIO::filePreview(KFileItemList() << m_item, 256, 256); + QStringList plugins = KIO::PreviewJob::availablePlugins(); + KIO::PreviewJob* job = new KIO::PreviewJob(KFileItemList() << m_item, + QSize(256, 256), + &plugins); + job->setIgnoreMaximumSize(m_item.isLocalFile()); + if (job->uiDelegate()) { + KJobWidgets::setWindow(job, qApp->activeWindow()); + } - connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)), - this, SLOT(setPreviewPix(const KFileItem&, const QPixmap&))); - connect(job, SIGNAL(failed(const KFileItem&)), - this, SLOT(previewFailed())); + connect(job, &KIO::PreviewJob::gotPreview, + this, &ToolTipManager::setPreviewPix); + connect(job, &KIO::PreviewJob::failed, + this, &ToolTipManager::previewFailed); } @@ -188,7 +156,7 @@ void ToolTipManager::setPreviewPix(const KFileItem& item, if (pixmap.isNull()) { previewFailed(); } else { - m_fileMetaDataToolTip->setPreview(pixmap); + m_fileMetaDataWidget->setPreview(pixmap); if (!m_showToolTipTimer->isActive()) { showToolTip(); } @@ -201,8 +169,8 @@ void ToolTipManager::previewFailed() return; } - const QPixmap pixmap = KIcon(m_item.iconName()).pixmap(128, 128); - m_fileMetaDataToolTip->setPreview(pixmap); + const QPixmap pixmap = QIcon::fromTheme(m_item.iconName()).pixmap(128, 128); + m_fileMetaDataWidget->setPreview(pixmap); if (!m_showToolTipTimer->isActive()) { showToolTip(); } @@ -215,6 +183,7 @@ void ToolTipManager::slotMetaDataRequestFinished() } m_metaDataRequested = false; + if (!m_showToolTipTimer->isActive()) { showToolTip(); } @@ -228,80 +197,19 @@ void ToolTipManager::showToolTip() m_appliedWaitCursor = false; } - if (QApplication::mouseButtons() & Qt::LeftButton) { - return; - } - - if (m_fileMetaDataToolTip->preview().isNull() || m_metaDataRequested) { + if (m_fileMetaDataWidget->preview().isNull() || m_metaDataRequested) { Q_ASSERT(!m_appliedWaitCursor); QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); m_appliedWaitCursor = true; return; } - const QRect screen = QApplication::desktop()->screenGeometry(QCursor::pos()); - - // Restrict tooltip size to current screen size when needed. - // Because layout controlling widget doesn't respect widget's maximumSize property - // (correct me if I'm wrong), we need to let layout do its work, then manually change - // geometry if resulting widget doesn't fit the screen. - - // Step #1 - make sizeHint return calculated tooltip size - m_fileMetaDataToolTip->layout()->setSizeConstraint(QLayout::SetFixedSize); - m_fileMetaDataToolTip->adjustSize(); - QSize size = m_fileMetaDataToolTip->sizeHint(); - - // Step #2 - correct tooltip size when needed - if (size.width() > screen.width()) { - size.setWidth(screen.width()); - } - if (size.height() > screen.height()) { - size.setHeight(screen.height()); + // Adjust the size to get a proper sizeHint() + m_fileMetaDataWidget->adjustSize(); + if (!m_tooltipWidget) { + m_tooltipWidget.reset(new KToolTipWidget()); } - - // m_itemRect defines the area of the item, where the tooltip should be - // shown. Per default the tooltip is shown in the bottom right corner. - // It must be assured that: - // - the content is fully visible - // - the content is not drawn inside m_itemRect - const bool hasRoomToLeft = (m_itemRect.left() - size.width() >= screen.left()); - const bool hasRoomToRight = (m_itemRect.right() + size.width() <= screen.right()); - const bool hasRoomAbove = (m_itemRect.top() - size.height() >= screen.top()); - const bool hasRoomBelow = (m_itemRect.bottom() + size.height() <= screen.bottom()); - if (!hasRoomAbove && !hasRoomBelow && !hasRoomToLeft && !hasRoomToRight) { - return; - } - - int x, y; - if (hasRoomBelow || hasRoomAbove) { - x = QCursor::pos().x() + 16; // TODO: use mouse pointer width instead of the magic value of 16 - if (x + size.width() >= screen.right()) { - x = screen.right() - size.width() + 1; - } - if (hasRoomBelow) { - y = m_itemRect.bottom() + 1; - } else { - y = m_itemRect.top() - size.height(); - } - } else { - Q_ASSERT(hasRoomToLeft || hasRoomToRight); - if (hasRoomToRight) { - x = m_itemRect.right() + 1; - } else { - x = m_itemRect.left() - size.width(); - } - // Put the tooltip at the bottom of the screen. The x-coordinate has already - // been adjusted, so that no overlapping with m_itemRect occurs. - y = screen.bottom() - size.height() + 1; - } - - // Step #3 - Alter tooltip geometry - m_fileMetaDataToolTip->setFixedSize(size); - m_fileMetaDataToolTip->layout()->setSizeConstraint(QLayout::SetNoConstraint); - m_fileMetaDataToolTip->setGeometry(x, y, size.width(), size.height()); - m_fileMetaDataToolTip->show(); - + m_tooltipWidget->showBelow(m_itemRect, m_fileMetaDataWidget, m_transientParent); m_toolTipRequested = false; } -#include "tooltipmanager.moc"