fenix/PDF4QT
1
0
Fork 0
mirror of https://github.com/JakubMelka/PDF4QT.git synced 2025-06-05 21:59:17 +02:00
Code Issues Packages Projects Releases Wiki Activity

Text selection tool - finishing (without copying text)

Browse Source
This commit is contained in:
Jakub Melka
2020-01-26 17:06:50 +01:00
parent 95f6135482
commit 12b2f44619
9 changed files with 286 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

78
PdfForQtLib/sources/pdfwidgettool.cpp
View File

@ -446,15 +446,32 @@ PDFTextSelection PDFFindTextTool::getTextSelectionImpl() const
return result;
}
PDFSelectTextTool::PDFSelectTextTool(PDFDrawWidgetProxy* proxy, QAction* action, QAction* selectAllAction, QAction* deselectAction, QObject* parent) :
PDFSelectTextTool::PDFSelectTextTool(PDFDrawWidgetProxy* proxy, QAction* action, QAction* copyTextAction, QAction* selectAllAction, QAction* deselectAction, QObject* parent) :
BaseClass(proxy, action, parent),
m_copyTextAction(copyTextAction),
m_selectAllAction(selectAllAction),
m_deselectAction(deselectAction),
m_isCursorOverText(false)
{
connect(copyTextAction, &QAction::triggered, this, &PDFSelectTextTool::onActionCopyText);
connect(selectAllAction, &QAction::triggered, this, &PDFSelectTextTool::onActionSelectAll);
connect(deselectAction, &QAction::triggered, this, &PDFSelectTextTool::onActionDeselect);
updateActions();
}
void PDFSelectTextTool::drawPage(QPainter* painter,
PDFInteger pageIndex,
const PDFPrecompiledPage* compiledPage,
PDFTextLayoutGetter& layoutGetter,
const QMatrix& pagePointToDevicePointMatrix) const
{
Q_UNUSED(compiledPage);
pdf::PDFTextSelectionPainter textSelectionPainter(&m_textSelection);
textSelectionPainter.draw(painter, pageIndex, layoutGetter, pagePointToDevicePointMatrix);
}
void PDFSelectTextTool::mousePressEvent(QWidget* widget, QMouseEvent* event)
{
Q_UNUSED(widget);
@ -493,6 +510,8 @@ void PDFSelectTextTool::mouseReleaseEvent(QWidget* widget, QMouseEvent* event)
if (m_selectionInfo.pageIndex == pageIndex)
{
// Jakub Melka: handle the selection
PDFTextLayout textLayout = getProxy()->getTextLayoutCompiler()->getTextLayoutLazy(pageIndex);
setSelection(textLayout.createTextSelection(pageIndex, m_selectionInfo.selectionStartPoint, pagePoint));
}
else
{
@ -510,26 +529,29 @@ void PDFSelectTextTool::mouseMoveEvent(QWidget* widget, QMouseEvent* event)
{
Q_UNUSED(widget);
// We must make text layout. This is fast, because text layout is being
// created only, if it doesn't exist. This function is also called only,
// if tool is active.
getProxy()->getTextLayoutCompiler()->makeTextLayout();
QPointF pagePoint;
const PDFInteger pageIndex = getProxy()->getPageUnderPoint(event->pos(), &pagePoint);
PDFTextLayout textLayout = getProxy()->getTextLayoutCompiler()->getTextLayoutLazy(pageIndex);
m_isCursorOverText = textLayout.isHoveringOverTextBlock(pagePoint);
if (event->button() == Qt::LeftButton)
if (m_selectionInfo.pageIndex != -1)
{
if (m_selectionInfo.pageIndex != -1)
if (m_selectionInfo.pageIndex == pageIndex)
{
if (m_selectionInfo.pageIndex == pageIndex)
{
// Jakub Melka: handle the selection
}
else
{
setSelection(pdf::PDFTextSelection());
}
event->accept();
// Jakub Melka: handle the selection
setSelection(textLayout.createTextSelection(pageIndex, m_selectionInfo.selectionStartPoint, pagePoint));
}
else
{
setSelection(pdf::PDFTextSelection());
}
event->accept();
}
updateCursor();
@ -556,8 +578,11 @@ void PDFSelectTextTool::updateActions()
{
BaseClass::updateActions();
m_selectAllAction->setEnabled(isActive());
m_deselectAction->setEnabled(isActive() && !m_textSelection.isEmpty());
const bool isActive = this->isActive();
const bool hasSelection = !m_textSelection.isEmpty();
m_selectAllAction->setEnabled(isActive);
m_deselectAction->setEnabled(isActive && hasSelection);
m_copyTextAction->setEnabled(isActive && hasSelection);
}
void PDFSelectTextTool::updateCursor()
@ -575,6 +600,27 @@ void PDFSelectTextTool::updateCursor()
}
}
void PDFSelectTextTool::onActionCopyText()
{
}
void PDFSelectTextTool::onActionSelectAll()
{
if (isActive())
{
setSelection(getProxy()->getTextLayoutCompiler()->getTextSelectionAll(Qt::yellow));
}
}
void PDFSelectTextTool::onActionDeselect()
{
if (isActive())
{
setSelection(pdf::PDFTextSelection());
}
}
void PDFSelectTextTool::setSelection(PDFTextSelection&& textSelection)
{
if (m_textSelection != textSelection)
@ -590,7 +636,7 @@ PDFToolManager::PDFToolManager(PDFDrawWidgetProxy* proxy, Actions actions, QObje
m_predefinedTools()
{
m_predefinedTools[FindTextTool] = new PDFFindTextTool(proxy, actions.findPrevAction, actions.findNextAction, this, parentDialog);
m_predefinedTools[SelectTextTool] = new PDFSelectTextTool(proxy, actions.selectTextToolAction, actions.selectAllAction, actions.deselectAction, this);
m_predefinedTools[SelectTextTool] = new PDFSelectTextTool(proxy, actions.selectTextToolAction, actions.copyTextAction, actions.selectAllAction, actions.deselectAction, this);
for (PDFWidgetTool* tool : m_predefinedTools)
{