5943eea4c9
These signals can be useful if you want to know what output exactly has been disabled or enabled. The outputEnabled signal is emitted after the outputAdded signal, and the outputDisabled signal is emitted before the outputRemoved signal.
144 lines
3.6 KiB
C++
144 lines
3.6 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "virtual_backend.h"
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#include "virtual_output.h"
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#include "scene_qpainter_virtual_backend.h"
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#include "screens_virtual.h"
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#include "wayland_server.h"
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#include "egl_gbm_backend.h"
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// Qt
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#include <QTemporaryDir>
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// KWayland
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#include <KWaylandServer/seat_interface.h>
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// system
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#include <fcntl.h>
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#include <unistd.h>
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#include <config-kwin.h>
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namespace KWin
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{
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VirtualBackend::VirtualBackend(QObject *parent)
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: Platform(parent)
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{
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if (qEnvironmentVariableIsSet("KWIN_WAYLAND_VIRTUAL_SCREENSHOTS")) {
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m_screenshotDir.reset(new QTemporaryDir);
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if (!m_screenshotDir->isValid()) {
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m_screenshotDir.reset();
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}
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if (!m_screenshotDir.isNull()) {
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qDebug() << "Screenshots saved to: " << m_screenshotDir->path();
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}
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}
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setSupportsPointerWarping(true);
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setSupportsGammaControl(true);
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setPerScreenRenderingEnabled(true);
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}
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VirtualBackend::~VirtualBackend()
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{
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if (sceneEglDisplay() != EGL_NO_DISPLAY) {
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eglTerminate(sceneEglDisplay());
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}
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}
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void VirtualBackend::init()
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{
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/*
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* Some tests currently expect one output present at start,
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* others set them explicitly.
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*
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* TODO: rewrite all tests to explicitly set the outputs.
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*/
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if (!m_outputs.size()) {
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VirtualOutput *dummyOutput = new VirtualOutput(this);
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dummyOutput->init(QPoint(0, 0), initialWindowSize());
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m_outputs << dummyOutput ;
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emit outputAdded(dummyOutput);
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emit outputEnabled(dummyOutput);
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}
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setSoftwareCursorForced(true);
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setReady(true);
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waylandServer()->seat()->setHasPointer(true);
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waylandServer()->seat()->setHasKeyboard(true);
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waylandServer()->seat()->setHasTouch(true);
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emit screensQueried();
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}
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QString VirtualBackend::screenshotDirPath() const
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{
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if (m_screenshotDir.isNull()) {
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return QString();
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}
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return m_screenshotDir->path();
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}
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Screens *VirtualBackend::createScreens(QObject *parent)
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{
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return new VirtualScreens(this, parent);
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}
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QPainterBackend *VirtualBackend::createQPainterBackend()
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{
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return new VirtualQPainterBackend(this);
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}
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OpenGLBackend *VirtualBackend::createOpenGLBackend()
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{
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return new EglGbmBackend(this);
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}
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Outputs VirtualBackend::outputs() const
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{
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return m_outputs;
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}
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Outputs VirtualBackend::enabledOutputs() const
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{
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return m_outputs;
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}
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void VirtualBackend::setVirtualOutputs(int count, QVector<QRect> geometries, QVector<int> scales)
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{
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Q_ASSERT(geometries.size() == 0 || geometries.size() == count);
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Q_ASSERT(scales.size() == 0 || scales.size() == count);
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bool countChanged = m_outputs.size() != count;
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while (!m_outputs.isEmpty()) {
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VirtualOutput *output = m_outputs.takeLast();
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emit outputDisabled(output);
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emit outputRemoved(output);
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delete output;
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}
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int sumWidth = 0;
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for (int i = 0; i < count; i++) {
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VirtualOutput *vo = new VirtualOutput(this);
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if (geometries.size()) {
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const QRect geo = geometries.at(i);
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vo->init(geo.topLeft(), geo.size());
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} else {
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vo->init(QPoint(sumWidth, 0), initialWindowSize());
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sumWidth += initialWindowSize().width();
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}
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if (scales.size()) {
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vo->setScale(scales.at(i));
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}
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m_outputs.append(vo);
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emit outputAdded(vo);
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emit outputEnabled(vo);
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}
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emit virtualOutputsSet(countChanged);
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}
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}
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