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