X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/6862c3a617792bd04e3396b6afdb5df2199a67b2..b221d7ca1965751f2d6f515ec48d01d4df949414:/src/tooltips/tooltipmanager.cpp diff --git a/src/tooltips/tooltipmanager.cpp b/src/tooltips/tooltipmanager.cpp index ae514f896..bf26908ba 100644 --- a/src/tooltips/tooltipmanager.cpp +++ b/src/tooltips/tooltipmanager.cpp @@ -19,25 +19,18 @@ #include "tooltipmanager.h" -#include "dolphintooltip.h" #include "dolphinmodel.h" #include "dolphinsortfilterproxymodel.h" +#include "filemetadatatooltip.h" #include -#include #include #include #include +#include #include #include -#include - -const int ICON_WIDTH = 128; -const int ICON_HEIGHT = 128; -const int PREVIEW_DELAY = 250; - -K_GLOBAL_STATIC(DolphinBalloonTooltipDelegate, g_delegate) ToolTipManager::ToolTipManager(QAbstractItemView* parent, DolphinSortFilterProxyModel* model) : @@ -48,14 +41,13 @@ ToolTipManager::ToolTipManager(QAbstractItemView* parent, m_timer(0), m_previewTimer(0), m_waitOnPreviewTimer(0), + m_fileMetaDataToolTip(0), m_item(), m_itemRect(), m_generatingPreview(false), m_hasDefaultIcon(false), m_previewPixmap() { - KToolTip::setToolTipDelegate(g_delegate); - m_dolphinModel = static_cast(m_proxyModel->sourceModel()); connect(parent, SIGNAL(entered(const QModelIndex&)), this, SLOT(requestToolTip(const QModelIndex&))); @@ -86,6 +78,16 @@ ToolTipManager::ToolTipManager(QAbstractItemView* parent, this, SLOT(hideTip())); m_view->viewport()->installEventFilter(this); + m_view->installEventFilter(this); + + 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 KMetaDataWidget at this stage does + // not work. + } + m_fileMetaDataToolTip = sharedToolTip; } ToolTipManager::~ToolTipManager() @@ -99,7 +101,16 @@ void ToolTipManager::hideTip() bool ToolTipManager::eventFilter(QObject* watched, QEvent* event) { - if ((watched == m_view->viewport()) && (event->type() == QEvent::Leave)) { + 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(); } @@ -108,11 +119,11 @@ bool ToolTipManager::eventFilter(QObject* watched, QEvent* event) void ToolTipManager::requestToolTip(const QModelIndex& index) { - // only request a tooltip for the name column and when no selection or + // 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_waitOnPreviewTimer->stop(); - KToolTip::hideTip(); + hideToolTip(); m_itemRect = m_view->visualRect(index); const QPoint pos = m_view->viewport()->mapToGlobal(m_itemRect.topLeft()); @@ -121,8 +132,8 @@ void ToolTipManager::requestToolTip(const QModelIndex& index) const QModelIndex dirIndex = m_proxyModel->mapToSource(index); m_item = m_dolphinModel->itemForIndex(dirIndex); - // only start the previewJob when the mouse has been over this item for 200 milliseconds, - // this prevents a lot of useless preview jobs when passing rapidly over a lot of items + // Only start the previewJob when the mouse has been over this item for 200 milliseconds. + // This prevents a lot of useless preview jobs when passing rapidly over a lot of items. m_previewTimer->start(200); m_previewPixmap = QPixmap(); m_hasDefaultIcon = false; @@ -138,7 +149,9 @@ void ToolTipManager::hideToolTip() m_timer->stop(); m_previewTimer->stop(); m_waitOnPreviewTimer->stop(); - KToolTip::hideTip(); + + m_fileMetaDataToolTip->hide(); + m_fileMetaDataToolTip->setItems(KFileItemList()); } void ToolTipManager::prepareToolTip() @@ -147,36 +160,57 @@ void ToolTipManager::prepareToolTip() m_waitOnPreviewTimer->start(250); } - const QString text = m_item.getToolTipText(); if (!m_previewPixmap.isNull()) { - showToolTip(KIcon(m_previewPixmap), text); + showToolTip(m_previewPixmap); } else if (!m_hasDefaultIcon) { - const QPixmap image(KIcon(m_item.iconName()).pixmap(ICON_WIDTH, ICON_HEIGHT)); - showToolTip(image, text); + const QPixmap image(KIcon(m_item.iconName()).pixmap(128, 128)); + showToolTip(image); m_hasDefaultIcon = true; } } -void ToolTipManager::showToolTip(const QIcon& icon, const QString& text) +void ToolTipManager::startPreviewJob() +{ + m_generatingPreview = true; + KIO::PreviewJob* job = KIO::filePreview(KFileItemList() << m_item, 256, 256); + + connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)), + this, SLOT(setPreviewPix(const KFileItem&, const QPixmap&))); + connect(job, SIGNAL(failed(const KFileItem&)), + this, SLOT(previewFailed())); +} + + +void ToolTipManager::setPreviewPix(const KFileItem& item, + const QPixmap& pixmap) +{ + if ((m_item.url() != item.url()) || pixmap.isNull()) { + // An old preview or an invalid preview has been received + previewFailed(); + } else { + m_previewPixmap = pixmap; + m_generatingPreview = false; + } +} + +void ToolTipManager::previewFailed() +{ + m_generatingPreview = false; +} + + +void ToolTipManager::showToolTip(const QPixmap& pixmap) { if (QApplication::mouseButtons() & Qt::LeftButton) { return; } - KToolTipItem* tip = new KToolTipItem(icon, text); + m_fileMetaDataToolTip->setPreview(pixmap); + m_fileMetaDataToolTip->setName(m_item.text()); + m_fileMetaDataToolTip->setItems(KFileItemList() << m_item); - KStyleOptionToolTip option; - // TODO: get option content from KToolTip or add KToolTip::sizeHint() method - option.direction = QApplication::layoutDirection(); - option.fontMetrics = QFontMetrics(QToolTip::font()); - option.activeCorner = KStyleOptionToolTip::TopLeftCorner; - option.palette = QToolTip::palette(); - option.font = QToolTip::font(); - option.rect = QRect(); - option.state = QStyle::State_None; - option.decorationSize = QSize(32, 32); - - const QSize size = g_delegate->sizeHint(option, *tip); + // Calculate the x- and y-position of the tooltip + const QSize size = m_fileMetaDataToolTip->sizeHint(); const QRect desktop = QApplication::desktop()->screenGeometry(m_itemRect.bottomRight()); // m_itemRect defines the area of the item, where the tooltip should be @@ -189,11 +223,18 @@ void ToolTipManager::showToolTip(const QIcon& icon, const QString& text) const bool hasRoomAbove = (m_itemRect.top() - size.height() >= desktop.top()); const bool hasRoomBelow = (m_itemRect.bottom() + size.height() <= desktop.bottom()); if (!hasRoomAbove && !hasRoomBelow && !hasRoomToLeft && !hasRoomToRight) { - delete tip; - tip = 0; return; } + // The size hint provided by the tooltip is not necessarily equal to the + // real size of the tooltip after showing it. As long as the tooltip is aligned + // on the upper-left edge, this is no problem. If the tooltip is aligned at + // another edge, the real size must be respected and the position + // corrected. Whether a correction must be done, is indicated by the variables + // updateWidth and updateHeight: + bool updateWidth = false; + bool updateHeight = false; + int x = 0; int y = 0; if (hasRoomBelow || hasRoomAbove) { @@ -201,51 +242,46 @@ void ToolTipManager::showToolTip(const QIcon& icon, const QString& text) if (x + size.width() >= desktop.right()) { x = desktop.right() - size.width(); } - y = hasRoomBelow ? m_itemRect.bottom() : m_itemRect.top() - size.height(); + if (hasRoomBelow) { + y = m_itemRect.bottom(); + } else { + y = m_itemRect.top() - size.height(); + updateHeight = true; + } } else { Q_ASSERT(hasRoomToLeft || hasRoomToRight); - x = hasRoomToRight ? m_itemRect.right() : m_itemRect.left() - size.width(); + if (hasRoomToRight) { + x = m_itemRect.right(); + } else { + x = m_itemRect.left() - size.width(); + updateWidth = true; + } // 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 = desktop.bottom() - size.height(); + updateHeight = true; } - // the ownership of tip is transferred to KToolTip - KToolTip::showTip(QPoint(x, y), tip); -} - - - -void ToolTipManager::startPreviewJob() -{ - m_generatingPreview = true; - KIO::PreviewJob* job = KIO::filePreview(KFileItemList() << m_item, - PREVIEW_WIDTH, - PREVIEW_HEIGHT); - - connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)), - this, SLOT(setPreviewPix(const KFileItem&, const QPixmap&))); - connect(job, SIGNAL(failed(const KFileItem&)), - this, SLOT(previewFailed())); -} - - -void ToolTipManager::setPreviewPix(const KFileItem& item, - const QPixmap& pixmap) -{ - if ((m_item.url() != item.url()) || pixmap.isNull()) { - // an old preview or an invalid preview has been received - previewFailed(); + if (!updateWidth && !updateHeight) { + // Default case: There is enough room below and right of the mouse + // pointer and the tooltip can be positioned there. + m_fileMetaDataToolTip->move(x, y); + m_fileMetaDataToolTip->show(); } else { - m_previewPixmap = pixmap; - m_generatingPreview = false; + // There is not enough room to show the tooltip at the default position and + // it must be moved left or upwards. In this case the size hint of the + // tooltip is not sufficient and the real size must be respected. + // To prevent a flickering, the tooltip is first opened outside the visible + // desktop area and moved afterwards. + m_fileMetaDataToolTip->move(desktop.right() + 1, desktop.bottom() + 1); + m_fileMetaDataToolTip->show(); + + const QSize shownSize = m_fileMetaDataToolTip->size(); + const int xDiff = updateWidth ? shownSize.width() - size.width() : 0; + const int yDiff = updateHeight ? shownSize.height() - size.height() : 0; + m_fileMetaDataToolTip->move(x - xDiff, y - yDiff); } } -void ToolTipManager::previewFailed() -{ - m_generatingPreview = false; -} - #include "tooltipmanager.moc"