Reuse metadata widget when creating tooltips

Currently any time we hover the mouse over a file we create a new DolphinFileMetaDataWidget (even when we don't actually show a tooltip).

That is quite wasteful

Instead we can reuse the existing instance and only change the URL
This commit is contained in:
Nicolas Fella 2022-03-25 02:36:21 +01:00
parent f509d41baf
commit b7fbd19a76
2 changed files with 10 additions and 12 deletions

View file

@ -61,6 +61,13 @@ ToolTipManager::ToolTipManager(QWidget* parent) :
connect(m_contentRetrievalTimer, &QTimer::timeout, this, &ToolTipManager::startContentRetrieval);
Q_ASSERT(m_contentRetrievalTimer->interval() < m_showToolTipTimer->interval());
// 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_fileMetaDataWidget = new DolphinFileMetaDataWidget(parent);
connect(m_fileMetaDataWidget, &DolphinFileMetaDataWidget::metaDataRequestFinished, this, &ToolTipManager::slotMetaDataRequestFinished);
connect(m_fileMetaDataWidget, &DolphinFileMetaDataWidget::urlActivated, this, &ToolTipManager::urlActivated);
}
ToolTipManager::~ToolTipManager()
@ -69,7 +76,7 @@ ToolTipManager::~ToolTipManager()
void ToolTipManager::showToolTip(const KFileItem& item, const QRectF& itemRect, QWindow *transientParent)
{
hideToolTip();
hideToolTip(HideBehavior::Instantly);
m_itemRect = itemRect.toRect();
@ -78,15 +85,6 @@ void ToolTipManager::showToolTip(const KFileItem& item, const QRectF& itemRect,
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.
m_fileMetaDataWidget.reset(new DolphinFileMetaDataWidget());
connect(m_fileMetaDataWidget.data(), &DolphinFileMetaDataWidget::metaDataRequestFinished,
this, &ToolTipManager::slotMetaDataRequestFinished);
connect(m_fileMetaDataWidget.data(), &DolphinFileMetaDataWidget::urlActivated,
this, &ToolTipManager::urlActivated);
m_contentRetrievalTimer->start();
m_showToolTipTimer->start();
m_toolTipRequested = true;
@ -220,7 +218,7 @@ void ToolTipManager::showToolTip()
if (!m_tooltipWidget) {
m_tooltipWidget.reset(new KToolTipWidget());
}
m_tooltipWidget->showBelow(m_itemRect, m_fileMetaDataWidget.data(), m_transientParent);
m_tooltipWidget->showBelow(m_itemRect, m_fileMetaDataWidget, m_transientParent);
m_toolTipRequested = false;
}

View file

@ -77,7 +77,7 @@ private:
QWindow* m_transientParent;
QScopedPointer<KToolTipWidget> m_tooltipWidget;
QScopedPointer<DolphinFileMetaDataWidget> m_fileMetaDataWidget;
DolphinFileMetaDataWidget *m_fileMetaDataWidget;
bool m_toolTipRequested;
bool m_metaDataRequested;