X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/959642ace563d59d5fada0961fd4c79c55fccff6..08d655c2bc107449ee322f8b826710b7e690950b:/src/views/tooltips/tooltipmanager.cpp diff --git a/src/views/tooltips/tooltipmanager.cpp b/src/views/tooltips/tooltipmanager.cpp index 7ef71a5d0..8f18dbde4 100644 --- a/src/views/tooltips/tooltipmanager.cpp +++ b/src/views/tooltips/tooltipmanager.cpp @@ -22,46 +22,32 @@ #include "filemetadatatooltip.h" #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_toolTipRequested(false), m_metaDataRequested(false), + m_appliedWaitCursor(false), 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. - } - m_fileMetaDataToolTip = sharedToolTip; - connect(m_fileMetaDataToolTip, SIGNAL(metaDataRequestFinished()), - 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())); + //m_dolphinModel = static_cast(m_proxyModel->sourceModel()); + //connect(parent, SIGNAL(entered(QModelIndex)), + // this, SLOT(requestToolTip(QModelIndex))); + //connect(parent, SIGNAL(viewportEntered()), + // this, SLOT(hideToolTip())); // Initialize timers m_showToolTipTimer = new QTimer(this); @@ -79,13 +65,14 @@ ToolTipManager::ToolTipManager(QAbstractItemView* parent, // 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)), + /*connect(parent->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip())); connect(parent->verticalScrollBar(), SIGNAL(valueChanged(int)), - this, SLOT(hideToolTip())); + this, SLOT(hideToolTip()));*/ - m_view->viewport()->installEventFilter(this); - m_view->installEventFilter(this); + Q_ASSERT(m_view); + //m_view->viewport()->installEventFilter(this); + //m_view->installEventFilter(this); } ToolTipManager::~ToolTipManager() @@ -94,20 +81,24 @@ ToolTipManager::~ToolTipManager() void ToolTipManager::hideToolTip() { - QApplication::restoreOverrideCursor(); + if (m_appliedWaitCursor) { + QApplication::restoreOverrideCursor(); + m_appliedWaitCursor = false; + } m_toolTipRequested = false; m_metaDataRequested = false; m_showToolTipTimer->stop(); m_contentRetrievalTimer->stop(); - m_fileMetaDataToolTip->setItems(KFileItemList()); - m_fileMetaDataToolTip->hide(); + delete m_fileMetaDataToolTip; + m_fileMetaDataToolTip = 0; } + bool ToolTipManager::eventFilter(QObject* watched, QEvent* event) { - if (watched == m_view->viewport()) { + /*if (watched == m_view->viewport()) { switch (event->type()) { case QEvent::Leave: case QEvent::MouseButtonPress: @@ -118,28 +109,34 @@ bool ToolTipManager::eventFilter(QObject* watched, QEvent* event) } } else if ((watched == m_view) && (event->type() == QEvent::KeyPress)) { hideToolTip(); - } + }*/ return QObject::eventFilter(watched, event); } void ToolTipManager::requestToolTip(const QModelIndex& index) { + Q_UNUSED(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()); + if (!(QApplication::mouseButtons() & Qt::LeftButton)) { + m_itemRect = QRect(); //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); + //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. + Q_ASSERT(!m_fileMetaDataToolTip); + m_fileMetaDataToolTip = new FileMetaDataToolTip(m_view); + connect(m_fileMetaDataToolTip, SIGNAL(metaDataRequestFinished(KFileItemList)), + this, SLOT(slotMetaDataRequestFinished())); + m_contentRetrievalTimer->start(); m_showToolTipTimer->start(); m_toolTipRequested = true; @@ -155,14 +152,21 @@ void ToolTipManager::startContentRetrieval() m_fileMetaDataToolTip->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_fileMetaDataToolTip->adjustSize(); - KIO::PreviewJob* job = KIO::filePreview(KFileItemList() << m_item, 256, 256); + // Request a preview of the item + m_fileMetaDataToolTip->setPreview(QPixmap()); - connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)), - this, SLOT(setPreviewPix(const KFileItem&, const QPixmap&))); - connect(job, SIGNAL(failed(const KFileItem&)), + KIO::PreviewJob* job = KIO::filePreview(KFileItemList() << m_item, QSize(256, 256)); + + connect(job, SIGNAL(gotPreview(KFileItem,QPixmap)), + this, SLOT(setPreviewPix(KFileItem,QPixmap))); + connect(job, SIGNAL(failed(KFileItem)), this, SLOT(previewFailed())); } @@ -205,6 +209,7 @@ void ToolTipManager::slotMetaDataRequestFinished() } m_metaDataRequested = false; + if (!m_showToolTipTimer->isActive()) { showToolTip(); } @@ -213,14 +218,19 @@ void ToolTipManager::slotMetaDataRequestFinished() void ToolTipManager::showToolTip() { Q_ASSERT(m_toolTipRequested); - QApplication::restoreOverrideCursor(); + if (m_appliedWaitCursor) { + QApplication::restoreOverrideCursor(); + m_appliedWaitCursor = false; + } if (QApplication::mouseButtons() & Qt::LeftButton) { return; } if (m_fileMetaDataToolTip->preview().isNull() || m_metaDataRequested) { + Q_ASSERT(!m_appliedWaitCursor); QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); + m_appliedWaitCursor = true; return; } @@ -245,35 +255,36 @@ void ToolTipManager::showToolTip() } // 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. + // shown. Per default the tooltip is shown centered at the bottom. // 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()); + const int margin = 3; + const bool hasRoomToLeft = (m_itemRect.left() - size.width() - margin >= screen.left()); + const bool hasRoomToRight = (m_itemRect.right() + size.width() + margin <= screen.right()); + const bool hasRoomAbove = (m_itemRect.top() - size.height() - margin >= screen.top()); + const bool hasRoomBelow = (m_itemRect.bottom() + size.height() + margin <= 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 + x = qMax(screen.left(), m_itemRect.center().x() - size.width() / 2); if (x + size.width() >= screen.right()) { x = screen.right() - size.width() + 1; } if (hasRoomBelow) { - y = m_itemRect.bottom() + 1; + y = m_itemRect.bottom() + margin; } else { - y = m_itemRect.top() - size.height(); + y = m_itemRect.top() - size.height() - margin; } } else { Q_ASSERT(hasRoomToLeft || hasRoomToRight); if (hasRoomToRight) { - x = m_itemRect.right() + 1; + x = m_itemRect.right() + margin; } else { - x = m_itemRect.left() - size.width(); + x = m_itemRect.left() - size.width() - margin; } // Put the tooltip at the bottom of the screen. The x-coordinate has already // been adjusted, so that no overlapping with m_itemRect occurs. @@ -283,7 +294,7 @@ void ToolTipManager::showToolTip() // 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->move(QPoint(x, y)); m_fileMetaDataToolTip->show(); m_toolTipRequested = false;