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Issue #116: Navigate to text

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This commit is contained in:
Jakub Melka
2023-12-02 15:40:11 +01:00
parent a892c192fc
commit 288eead65e
6 changed files with 175 additions and 70 deletions
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41
Pdf4QtLib/sources/pdfdrawspacecontroller.cpp
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@ -1282,6 +1282,47 @@ void PDFDrawWidgetProxy::goToPage(PDFInteger pageIndex)
}
}
void PDFDrawWidgetProxy::goToPageAndEnsureVisible(PDFInteger pageIndex, QRectF ensureVisibleRect)
{
PDFDrawSpaceController::LayoutItem layoutItem = m_controller->getLayoutItemForPage(pageIndex);
if (layoutItem.isValid())
{
// We have found our page, navigate onto it
if (isBlockMode())
{
setBlockIndex(layoutItem.blockIndex);
}
QRectF pageRect = fromDeviceSpace(layoutItem.pageRectMM);
QRectF placedRect = pageRect.translated(m_horizontalOffset - m_layout.blockRect.left(), m_verticalOffset - m_layout.blockRect.top());
const PDFPage* page = m_controller->getDocument()->getCatalog()->getPage(layoutItem.pageIndex);
QTransform matrix = QTransform(createPagePointToDevicePointMatrix(page, placedRect));
QRect wishedRect = matrix.mapRect(ensureVisibleRect).toRect();
QRect displayedRect = getWidget()->getDrawWidget()->getWidget()->rect();
QPoint topRectPoint = wishedRect.topLeft();
if (!displayedRect.contains(topRectPoint))
{
QPoint center = displayedRect.center();
QPoint p1(center.x(), topRectPoint.y());
if (!displayedRect.contains(p1))
{
scrollByPixels(-QPoint(0, p1.y() - displayedRect.top()));
}
QPoint p2(topRectPoint.x(), center.y());
if (!displayedRect.contains(p2))
{
scrollByPixels(-QPoint(p2.x() - displayedRect.x(), 0));
}
}
}
}
void PDFDrawWidgetProxy::setPageLayout(PageLayout pageLayout)
{
if (getPageLayout() != pageLayout)