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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qvncscreen.h"
#include "qvnc_p.h"
#include <QtFbSupport/private/qfbwindow_p.h>
#include <QtFbSupport/private/qfbcursor_p.h>
#include <QtGui/QPainter>
#include <QtGui/QScreen>
#include <QtCore/QRegularExpression>
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
QVncScreen::QVncScreen(const QStringList &args)
: mArgs(args)
{
initialize();
}
QVncScreen::~QVncScreen()
{
#if QT_CONFIG(cursor)
if (clientCursor)
delete clientCursor;
#endif
}
bool QVncScreen::initialize()
{
QRegularExpression sizeRx("size=(\\d+)x(\\d+)"_L1);
QRegularExpression mmSizeRx("mmsize=(?<width>(\\d*\\.)?\\d+)x(?<height>(\\d*\\.)?\\d+)"_L1);
QRegularExpression depthRx("depth=(\\d+)"_L1);
mGeometry = QRect(0, 0, 1024, 768);
mFormat = QImage::Format_ARGB32_Premultiplied;
mDepth = 32;
mPhysicalSize = QSizeF(mGeometry.width()/96.*25.4, mGeometry.height()/96.*25.4);
for (const QString &arg : std::as_const(mArgs)) {
QRegularExpressionMatch match;
if (arg.contains(mmSizeRx, &match)) {
mPhysicalSize = QSizeF(match.captured("width").toDouble(), match.captured("height").toDouble());
} else if (arg.contains(sizeRx, &match)) {
mGeometry.setSize(QSize(match.captured(1).toInt(), match.captured(2).toInt()));
} else if (arg.contains(depthRx, &match)) {
mDepth = match.captured(1).toInt();
}
}
switch (depth()) {
case 32:
dirty = new QVncDirtyMapOptimized<quint32>(this);
break;
case 16:
dirty = new QVncDirtyMapOptimized<quint16>(this);
mFormat = QImage::Format_RGB16;
break;
case 8:
dirty = new QVncDirtyMapOptimized<quint8>(this);
break;
default:
qWarning("QVNCScreen::initDevice: No support for screen depth %d",
depth());
dirty = nullptr;
return false;
}
QFbScreen::initializeCompositor();
setPowerState(PowerStateOff);
return true;
}
QRegion QVncScreen::doRedraw()
{
QRegion touched = QFbScreen::doRedraw();
if (touched.isEmpty())
return touched;
dirtyRegion += touched;
vncServer->setDirty();
return touched;
}
void QVncScreen::enableClientCursor(QVncClient *client)
{
#if QT_CONFIG(cursor)
delete mCursor;
mCursor = nullptr;
if (!clientCursor)
clientCursor = new QVncClientCursor();
clientCursor->addClient(client);
#else
Q_UNUSED(client);
#endif
}
void QVncScreen::disableClientCursor(QVncClient *client)
{
#if QT_CONFIG(cursor)
if (!clientCursor)
return;
uint clientCount = clientCursor->removeClient(client);
if (clientCount == 0) {
delete clientCursor;
clientCursor = nullptr;
if (mCursor == nullptr)
mCursor = new QFbCursor(this);
}
#else
Q_UNUSED(client);
#endif
}
QPlatformCursor *QVncScreen::cursor() const
{
#if QT_CONFIG(cursor)
return mCursor ? static_cast<QPlatformCursor *>(mCursor) : static_cast<QPlatformCursor *>(clientCursor);
#else
return nullptr;
#endif
}
// grabWindow() grabs "from the screen" not from the backingstores.
// In linuxfb's case it will also include the mouse cursor.
QPixmap QVncScreen::grabWindow(WId wid, int x, int y, int width, int height) const
{
if (!wid) {
if (width < 0)
width = mScreenImage.width() - x;
if (height < 0)
height = mScreenImage.height() - y;
return QPixmap::fromImage(mScreenImage).copy(x, y, width, height);
}
QFbWindow *window = windowForId(wid);
if (window) {
const QRect geom = window->geometry();
if (width < 0)
width = geom.width() - x;
if (height < 0)
height = geom.height() - y;
QRect rect(geom.topLeft() + QPoint(x, y), QSize(width, height));
rect &= window->geometry();
return QPixmap::fromImage(mScreenImage).copy(rect);
}
return QPixmap();
}
#if Q_BYTE_ORDER == Q_BIG_ENDIAN
bool QVncScreen::swapBytes() const
{
return false;
/* TODO
if (depth() != 16)
return false;
if (screen())
return screen()->frameBufferLittleEndian();
return frameBufferLittleEndian();
*/
}
#endif
QFbScreen::Flags QVncScreen::flags() const
{
return QFbScreen::DontForceFirstWindowToFullScreen;
}
QT_END_NAMESPACE
#include "moc_qvncscreen.cpp"