X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/5e73577d6c3520fa3dfd63646795e628cf2a0614..c06e0666343722e272fcb9268359852bd460cdee:/src/tooltips/tooltipmanager.cpp diff --git a/src/tooltips/tooltipmanager.cpp b/src/tooltips/tooltipmanager.cpp index 489c6c2b6..dc2663ebe 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) : @@ -48,17 +41,13 @@ ToolTipManager::ToolTipManager(QAbstractItemView* parent, m_timer(0), m_previewTimer(0), m_waitOnPreviewTimer(0), + m_fileMetaDataToolTip(0), m_item(), m_itemRect(), - m_preview(false), m_generatingPreview(false), - m_previewIsLate(false), - m_previewPass(0), - m_emptyRenderedKToolTipItem(0), - m_pix() + 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&))); @@ -89,6 +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() @@ -102,7 +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(); } @@ -111,11 +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(); + m_fileMetaDataToolTip->hide(); m_itemRect = m_view->visualRect(index); const QPoint pos = m_view->viewport()->mapToGlobal(m_itemRect.topLeft()); @@ -124,12 +132,11 @@ 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_preview = false; - m_previewIsLate = false; - m_previewPass = 0; + m_previewPixmap = QPixmap(); + m_hasDefaultIcon = false; m_timer->start(500); } else { @@ -142,84 +149,67 @@ void ToolTipManager::hideToolTip() m_timer->stop(); m_previewTimer->stop(); m_waitOnPreviewTimer->stop(); - m_previewIsLate = false; - KToolTip::hideTip(); + + m_fileMetaDataToolTip->hide(); } void ToolTipManager::prepareToolTip() { if (m_generatingPreview) { - if (m_previewPass == 1) { - // We waited 250msec and the preview is still not finished, - // so show the toolTip with a transparent image of maximal width. - // When the preview finishes, m_previewIsLate will cause - // a direct update of the tooltip, via m_emptyRenderedKToolTipItem. - QPixmap paddedImage(QSize(PREVIEW_WIDTH, 32)); - m_previewIsLate = true; - paddedImage.fill(Qt::transparent); - KToolTipItem* toolTip = new KToolTipItem(paddedImage, m_item.getToolTipText()); - m_emptyRenderedKToolTipItem = toolTip; // make toolTip accessible everywhere - showToolTip(toolTip); - } - - ++m_previewPass; m_waitOnPreviewTimer->start(250); - } else { - // The preview generation has finished, find out under which circumstances. - if (m_preview && m_previewIsLate) { - // We got a preview, but it is late, the tooltip has already been shown. - // So update the tooltip directly. - if (m_emptyRenderedKToolTipItem != 0) { - m_emptyRenderedKToolTipItem->setData(Qt::DecorationRole, KIcon(m_pix)); - } - return; - } + } - KIcon icon; - if (m_preview) { - // We got a preview. - icon = KIcon(m_pix); - } else { - // No preview, so use an icon. - // Force a 128x128 icon, a 256x256 one is far too big. - icon = KIcon(KIcon(m_item.iconName()).pixmap(ICON_WIDTH, ICON_HEIGHT)); - } + if (!m_previewPixmap.isNull()) { + showToolTip(m_previewPixmap); + } else if (!m_hasDefaultIcon) { + const QPixmap image(KIcon(m_item.iconName()).pixmap(128, 128)); + showToolTip(image); + m_hasDefaultIcon = true; + } +} - KToolTipItem* toolTip = new KToolTipItem(icon, m_item.getToolTipText()); - showToolTip(toolTip); +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::showToolTip(KToolTipItem* tip) +void ToolTipManager::previewFailed() +{ + m_generatingPreview = false; +} + + +void ToolTipManager::showToolTip(const QPixmap& pixmap) { if (QApplication::mouseButtons() & Qt::LeftButton) { - delete tip; - tip = 0; - // m_emptyRenderedKToolTipItem is an alias for tip. - m_emptyRenderedKToolTipItem = 0; return; } - 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); - - QSize size; - if (m_previewIsLate) { - QPixmap paddedImage(QSize(PREVIEW_WIDTH, PREVIEW_HEIGHT)); - KToolTipItem maxiTip(paddedImage, m_item.getToolTipText()); - size = g_delegate->sizeHint(option, maxiTip); - } - else if (tip != 0) { - size = g_delegate->sizeHint(option, *tip); - } + m_fileMetaDataToolTip->setPreview(pixmap); + m_fileMetaDataToolTip->setName(m_item.text()); + m_fileMetaDataToolTip->setItems(KFileItemList() << m_item); + + // 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 @@ -232,8 +222,6 @@ void ToolTipManager::showToolTip(KToolTipItem* tip) 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; } @@ -254,51 +242,8 @@ void ToolTipManager::showToolTip(KToolTipItem* tip) y = desktop.bottom() - size.height(); } - 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(const KFileItem&))); -} - - -void ToolTipManager::setPreviewPix(const KFileItem& item, - const QPixmap& pixmap) -{ - if (m_item.url() != item.url()) { - m_generatingPreview = false; - return; - } - - if (m_previewIsLate) { - // always use the maximal width - QPixmap paddedImage(QSize(PREVIEW_WIDTH, pixmap.height())); - paddedImage.fill(Qt::transparent); - QPainter painter(&paddedImage); - painter.drawPixmap((PREVIEW_WIDTH - pixmap.width()) / 2, 0, pixmap); - m_pix = paddedImage; - } else { - m_pix = pixmap; - } - m_preview = true; - m_generatingPreview = false; -} - -void ToolTipManager::previewFailed(const KFileItem& item) -{ - Q_UNUSED(item); - m_generatingPreview = false; + m_fileMetaDataToolTip->move(x, y); + m_fileMetaDataToolTip->show(); } #include "tooltipmanager.moc"