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Snapper, some code for screenshot tool

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This commit is contained in:
Jakub Melka
2020-02-23 18:59:54 +01:00
parent e9bad256dc
commit a27216e752
18 changed files with 636 additions and 58 deletions
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156
PdfForQtLib/sources/pdfwidgettool.cpp
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@ -59,18 +59,6 @@ PDFWidgetTool::~PDFWidgetTool()
}
void PDFWidgetTool::drawPage(QPainter* painter,
PDFInteger pageIndex,
const PDFPrecompiledPage* compiledPage,
PDFTextLayoutGetter& layoutGetter,
const QMatrix& pagePointToDevicePointMatrix) const
{
for (PDFWidgetTool* tool : m_toolStack)
{
tool->drawPage(painter, pageIndex, compiledPage, layoutGetter, pagePointToDevicePointMatrix);
}
}
void PDFWidgetTool::setDocument(const PDFDocument* document)
{
if (m_document != document)
@ -78,6 +66,12 @@ void PDFWidgetTool::setDocument(const PDFDocument* document)
// We must turn off the tool, if we are changing the document
setActive(false);
m_document = document;
for (PDFWidgetTool* tool : m_toolStack)
{
tool->setDocument(document);
}
updateActions();
}
}
@ -107,37 +101,61 @@ void PDFWidgetTool::setActive(bool active)
void PDFWidgetTool::keyPressEvent(QWidget* widget, QKeyEvent* event)
{
Q_UNUSED(widget);
Q_UNUSED(event);
if (PDFWidgetTool* tool = getTopToolstackTool())
{
tool->keyPressEvent(widget, event);
}
}
void PDFWidgetTool::mousePressEvent(QWidget* widget, QMouseEvent* event)
{
Q_UNUSED(widget);
Q_UNUSED(event);
if (PDFWidgetTool* tool = getTopToolstackTool())
{
tool->mousePressEvent(widget, event);
}
}
void PDFWidgetTool::mouseReleaseEvent(QWidget* widget, QMouseEvent* event)
{
Q_UNUSED(widget);
Q_UNUSED(event);
if (PDFWidgetTool* tool = getTopToolstackTool())
{
tool->mouseReleaseEvent(widget, event);
}
}
void PDFWidgetTool::mouseMoveEvent(QWidget* widget, QMouseEvent* event)
{
Q_UNUSED(widget);
Q_UNUSED(event);
if (PDFWidgetTool* tool = getTopToolstackTool())
{
tool->mouseMoveEvent(widget, event);
}
}
void PDFWidgetTool::wheelEvent(QWidget* widget, QWheelEvent* event)
{
Q_UNUSED(widget);
Q_UNUSED(event);
if (PDFWidgetTool* tool = getTopToolstackTool())
{
tool->wheelEvent(widget, event);
}
}
const std::optional<QCursor>& PDFWidgetTool::getCursor() const
{
// If we have active subtool, return its mouse cursor
if (PDFWidgetTool* tool = getTopToolstackTool())
{
return tool->getCursor();
}
return m_cursor;
}
void PDFWidgetTool::setActiveImpl(bool active)
{
Q_UNUSED(active);
for (PDFWidgetTool* tool : m_toolStack)
{
tool->setActive(active);
}
}
void PDFWidgetTool::updateActions()
@ -149,6 +167,26 @@ void PDFWidgetTool::updateActions()
}
}
PDFWidgetTool* PDFWidgetTool::getTopToolstackTool() const
{
if (!m_toolStack.empty())
{
return m_toolStack.back();
}
return nullptr;
}
void PDFWidgetTool::addTool(PDFWidgetTool* tool)
{
m_toolStack.push_back(tool);
}
void PDFWidgetTool::removeTool()
{
m_toolStack.pop_back();
}
PDFFindTextTool::PDFFindTextTool(PDFDrawWidgetProxy* proxy, QAction* prevAction, QAction* nextAction, QObject* parent, QWidget* parentDialog) :
BaseClass(proxy, parent),
m_prevAction(prevAction),
@ -192,6 +230,8 @@ void PDFFindTextTool::clearResults()
void PDFFindTextTool::setActiveImpl(bool active)
{
BaseClass::setActiveImpl(active);
if (active)
{
Q_ASSERT(!m_dialog);
@ -561,6 +601,8 @@ void PDFSelectTextTool::mouseMoveEvent(QWidget* widget, QMouseEvent* event)
void PDFSelectTextTool::setActiveImpl(bool active)
{
BaseClass::setActiveImpl(active);
if (active)
{
pdf::PDFAsynchronousTextLayoutCompiler* compiler = getProxy()->getTextLayoutCompiler();
@ -665,6 +707,7 @@ PDFToolManager::PDFToolManager(PDFDrawWidgetProxy* proxy, Actions actions, QObje
m_predefinedTools[FindTextTool] = new PDFFindTextTool(proxy, actions.findPrevAction, actions.findNextAction, this, parentDialog);
m_predefinedTools[SelectTextTool] = new PDFSelectTextTool(proxy, actions.selectTextToolAction, actions.copyTextAction, actions.selectAllAction, actions.deselectAction, this);
m_predefinedTools[MagnifierTool] = new PDFMagnifierTool(proxy, actions.magnifierAction, this);
m_predefinedTools[ScreenshotTool] = new PDFScreenshotTool(proxy, actions.screenshotToolAction, this);
for (PDFWidgetTool* tool : m_predefinedTools)
{
@ -903,4 +946,71 @@ void PDFMagnifierTool::setMagnifierSize(int magnifierSize)
m_magnifierSize = magnifierSize;
}
PDFPickTool::PDFPickTool(PDFDrawWidgetProxy* proxy, PDFPickTool::Mode mode, QObject* parent) :
BaseClass(proxy, parent),
m_mode(mode)
{
setCursor(Qt::BlankCursor);
}
void PDFPickTool::drawPage(QPainter* painter,
PDFInteger pageIndex,
const PDFPrecompiledPage* compiledPage,
PDFTextLayoutGetter& layoutGetter,
const QMatrix& pagePointToDevicePointMatrix) const
{
Q_UNUSED(layoutGetter);
m_snapper.drawSnapPoints(painter, pageIndex, compiledPage, pagePointToDevicePointMatrix);
}
void PDFPickTool::drawPostRendering(QPainter* painter, QRect rect) const
{
QPoint hleft = m_mousePosition;
QPoint hright = m_mousePosition;
QPoint vtop = m_mousePosition;
QPoint vbottom = m_mousePosition;
hleft.setX(0);
hright.setX(rect.width());
vtop.setY(0);
vbottom.setY(rect.height());
painter->setPen(Qt::black);
painter->drawLine(hleft, hright);
painter->drawLine(vtop, vbottom);
}
void PDFPickTool::mousePressEvent(QWidget* widget, QMouseEvent* event)
{
Q_UNUSED(widget);
event->accept();
}
void PDFPickTool::mouseReleaseEvent(QWidget* widget, QMouseEvent* event)
{
Q_UNUSED(widget);
event->accept();
}
void PDFPickTool::mouseMoveEvent(QWidget* widget, QMouseEvent* event)
{
Q_UNUSED(widget);
event->accept();
QPoint mousePos = event->pos();
if (m_mousePosition != mousePos)
{
m_mousePosition = mousePos;
getProxy()->repaintNeeded();
}
}
PDFScreenshotTool::PDFScreenshotTool(PDFDrawWidgetProxy* proxy, QAction* action, QObject* parent) :
BaseClass(proxy, action, parent),
m_pickTool(nullptr)
{
m_pickTool = new PDFPickTool(proxy, PDFPickTool::Mode::Rectangles, this);
addTool(m_pickTool);
}
} // namespace pdf