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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <QtInstanceDrawingArea.hxx>
#include <QtInstanceDrawingArea.moc>
#include <vcl/qt/QtUtils.hxx>
QtInstanceDrawingArea::QtInstanceDrawingArea(QLabel* pLabel)
: QtInstanceWidget(pLabel)
, m_pLabel(pLabel)
, m_xDevice(DeviceFormat::WITHOUT_ALPHA)
{
assert(m_pLabel);
// install event filter, so eventFilter() can handle widget events
m_pLabel->installEventFilter(this);
}
void QtInstanceDrawingArea::queue_draw()
{
SolarMutexGuard g;
GetQtInstance().RunInMainThread([&] { getQWidget()->update(); });
}
void QtInstanceDrawingArea::queue_draw_area(int, int, int, int)
{
assert(false && "Not implemented yet");
}
void QtInstanceDrawingArea::enable_drag_source(rtl::Reference<TransferDataContainer>&, sal_uInt8)
{
assert(false && "Not implemented yet");
}
void QtInstanceDrawingArea::set_cursor(PointerStyle) { assert(false && "Not implemented yet"); }
Point QtInstanceDrawingArea::get_pointer_position() const
{
assert(false && "Not implemented yet");
return Point();
}
void QtInstanceDrawingArea::set_input_context(const InputContext&)
{
assert(false && "Not implemented yet");
}
void QtInstanceDrawingArea::im_context_set_cursor_location(const tools::Rectangle&, int)
{
assert(false && "Not implemented yet");
}
OutputDevice& QtInstanceDrawingArea::get_ref_device() { return *m_xDevice; }
a11yref QtInstanceDrawingArea::get_accessible_parent()
{
assert(false && "Not implemented yet");
return nullptr;
}
a11yrelationset QtInstanceDrawingArea::get_accessible_relation_set()
{
assert(false && "Not implemented yet");
return nullptr;
}
AbsoluteScreenPixelPoint QtInstanceDrawingArea::get_accessible_location_on_screen()
{
assert(false && "Not implemented yet");
return AbsoluteScreenPixelPoint(0, 0);
}
void QtInstanceDrawingArea::click(const Point&) { assert(false && "Not implemented yet"); }
bool QtInstanceDrawingArea::eventFilter(QObject* pObject, QEvent* pEvent)
{
if (pObject != m_pLabel)
return false;
SolarMutexGuard g;
assert(GetQtInstance().IsMainThread());
switch (pEvent->type())
{
case QEvent::Paint:
handlePaintEvent();
return false;
case QEvent::Resize:
handleResizeEvent();
return false;
default:
return false;
}
}
void QtInstanceDrawingArea::handlePaintEvent()
{
tools::Rectangle aRect(0, 0, m_pLabel->width(), m_pLabel->height());
aRect = m_xDevice->PixelToLogic(aRect);
m_xDevice->Erase(aRect);
m_aDrawHdl.Call(std::pair<vcl::RenderContext&, const tools::Rectangle&>(*m_xDevice, aRect));
QPixmap aPixmap = toQPixmap(*m_xDevice);
// set new pixmap if it changed
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
if (aPixmap.toImage() != m_pLabel->pixmap().toImage())
#else
if (aPixmap.toImage() != m_pLabel->pixmap(Qt::ReturnByValue).toImage())
#endif
m_pLabel->setPixmap(aPixmap);
}
void QtInstanceDrawingArea::handleResizeEvent()
{
const Size aSize = toSize(m_pLabel->size());
m_xDevice->SetOutputSizePixel(aSize);
m_aSizeAllocateHdl.Call(aSize);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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