460 lines
13 KiB
C++
460 lines
13 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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Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
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Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "main.h"
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#include <config-kwin.h>
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// kwin
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#include "platform.h"
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#include "atoms.h"
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#include "composite.h"
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#include "cursor.h"
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#include "input.h"
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#include "logind.h"
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#include "options.h"
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#include "screens.h"
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#include "screenlockerwatcher.h"
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#include "sm.h"
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#include "workspace.h"
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#include "xcbutils.h"
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#include <kwineffects.h>
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// KDE
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#include <KAboutData>
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#include <KLocalizedString>
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#include <KPluginMetaData>
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#include <KSharedConfig>
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#include <KWayland/Server/surface_interface.h>
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// Qt
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#include <qplatformdefs.h>
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#include <qcommandlineparser.h>
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#include <QQuickWindow>
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#include <QStandardPaths>
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#include <QtDBus/QtDBus>
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// system
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif // HAVE_UNISTD_H
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif // HAVE_MALLOC_H
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// xcb
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#include <xcb/damage.h>
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#ifndef XCB_GE_GENERIC
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#define XCB_GE_GENERIC 35
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#endif
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Q_DECLARE_METATYPE(KSharedConfigPtr)
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namespace KWin
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{
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Options* options;
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Atoms* atoms;
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int screen_number = -1;
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bool is_multihead = false;
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int Application::crashes = 0;
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bool Application::isX11MultiHead()
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{
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return is_multihead;
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}
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void Application::setX11MultiHead(bool multiHead)
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{
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is_multihead = multiHead;
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}
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void Application::setX11ScreenNumber(int screenNumber)
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{
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screen_number = screenNumber;
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}
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int Application::x11ScreenNumber()
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{
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return screen_number;
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}
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Application::Application(Application::OperationMode mode, int &argc, char **argv)
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: QApplication(argc, argv)
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, m_eventFilter(new XcbEventFilter())
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, m_configLock(false)
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, m_config()
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, m_kxkbConfig()
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, m_operationMode(mode)
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{
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qRegisterMetaType<Options::WindowOperation>("Options::WindowOperation");
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qRegisterMetaType<KWin::EffectWindow*>();
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qRegisterMetaType<KWayland::Server::SurfaceInterface *>("KWayland::Server::SurfaceInterface *");
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qRegisterMetaType<KSharedConfigPtr>();
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}
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void Application::setConfigLock(bool lock)
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{
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m_configLock = lock;
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}
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Application::OperationMode Application::operationMode() const
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{
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return m_operationMode;
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}
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void Application::setOperationMode(OperationMode mode)
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{
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m_operationMode = mode;
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}
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bool Application::shouldUseWaylandForCompositing() const
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{
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return m_operationMode == OperationModeWaylandAndX11 || m_operationMode == OperationModeXwayland;
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}
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void Application::start()
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{
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setQuitOnLastWindowClosed(false);
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if (!m_config) {
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m_config = KSharedConfig::openConfig();
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}
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if (!m_config->isImmutable() && m_configLock) {
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// TODO: This shouldn't be necessary
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//config->setReadOnly( true );
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m_config->reparseConfiguration();
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}
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if (!m_kxkbConfig) {
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m_kxkbConfig = KSharedConfig::openConfig(QStringLiteral("kxkbrc"), KConfig::NoGlobals);
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}
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performStartup();
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}
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Application::~Application()
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{
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delete options;
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destroyAtoms();
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}
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void Application::destroyAtoms()
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{
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delete atoms;
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atoms = nullptr;
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}
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void Application::resetCrashesCount()
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{
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crashes = 0;
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}
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void Application::setCrashCount(int count)
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{
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crashes = count;
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}
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bool Application::wasCrash()
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{
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return crashes > 0;
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}
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static const char description[] = I18N_NOOP("KDE window manager");
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void Application::createAboutData()
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{
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KAboutData aboutData(QStringLiteral(KWIN_NAME), // The program name used internally
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i18n("KWin"), // A displayable program name string
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QStringLiteral(KWIN_VERSION_STRING), // The program version string
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i18n(description), // Short description of what the app does
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KAboutLicense::GPL, // The license this code is released under
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i18n("(c) 1999-2013, The KDE Developers")); // Copyright Statement
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aboutData.addAuthor(i18n("Matthias Ettrich"), QString(), QStringLiteral("ettrich@kde.org"));
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aboutData.addAuthor(i18n("Cristian Tibirna"), QString(), QStringLiteral("tibirna@kde.org"));
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aboutData.addAuthor(i18n("Daniel M. Duley"), QString(), QStringLiteral("mosfet@kde.org"));
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aboutData.addAuthor(i18n("Luboš Luňák"), QString(), QStringLiteral("l.lunak@kde.org"));
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aboutData.addAuthor(i18n("Martin Gräßlin"), i18n("Maintainer"), QStringLiteral("mgraesslin@kde.org"));
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KAboutData::setApplicationData(aboutData);
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}
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static const QString s_lockOption = QStringLiteral("lock");
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static const QString s_crashesOption = QStringLiteral("crashes");
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void Application::setupCommandLine(QCommandLineParser *parser)
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{
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QCommandLineOption lockOption(s_lockOption, i18n("Disable configuration options"));
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QCommandLineOption crashesOption(s_crashesOption, i18n("Indicate that KWin has recently crashed n times"), QStringLiteral("n"));
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parser->setApplicationDescription(i18n("KDE window manager"));
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parser->addVersionOption();
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parser->addHelpOption();
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parser->addOption(lockOption);
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parser->addOption(crashesOption);
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KAboutData::applicationData().setupCommandLine(parser);
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}
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void Application::processCommandLine(QCommandLineParser *parser)
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{
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setConfigLock(parser->isSet(s_lockOption));
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Application::setCrashCount(parser->value(s_crashesOption).toInt());
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}
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void Application::setupTranslator()
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{
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QTranslator *qtTranslator = new QTranslator(qApp);
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qtTranslator->load("qt_" + QLocale::system().name(),
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QLibraryInfo::location(QLibraryInfo::TranslationsPath));
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installTranslator(qtTranslator);
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}
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void Application::setupMalloc()
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{
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#ifdef M_TRIM_THRESHOLD
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// Prevent fragmentation of the heap by malloc (glibc).
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//
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// The default threshold is 128*1024, which can result in a large memory usage
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// due to fragmentation especially if we use the raster graphicssystem. On the
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// otherside if the threshold is too low, free() starts to permanently ask the kernel
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// about shrinking the heap.
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#ifdef HAVE_UNISTD_H
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const int pagesize = sysconf(_SC_PAGESIZE);
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#else
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const int pagesize = 4*1024;
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#endif // HAVE_UNISTD_H
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mallopt(M_TRIM_THRESHOLD, 5*pagesize);
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#endif // M_TRIM_THRESHOLD
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}
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void Application::setupLocalizedString()
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{
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KLocalizedString::setApplicationDomain("kwin");
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}
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void Application::notifyKSplash()
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{
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// Tell KSplash that KWin has started
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QDBusMessage ksplashProgressMessage = QDBusMessage::createMethodCall(QStringLiteral("org.kde.KSplash"),
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QStringLiteral("/KSplash"),
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QStringLiteral("org.kde.KSplash"),
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QStringLiteral("setStage"));
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ksplashProgressMessage.setArguments(QList<QVariant>() << QStringLiteral("wm"));
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QDBusConnection::sessionBus().asyncCall(ksplashProgressMessage);
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}
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void Application::createWorkspace()
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{
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// ensure the helper atoms are retrieved before we create the Workspace
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atoms->retrieveHelpers();
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// we want all QQuickWindows with an alpha buffer, do here as Workspace might create QQuickWindows
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QQuickWindow::setDefaultAlphaBuffer(true);
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// This tries to detect compositing options and can use GLX. GLX problems
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// (X errors) shouldn't cause kwin to abort, so this is out of the
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// critical startup section where x errors cause kwin to abort.
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// create workspace.
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(void) new Workspace(m_originalSessionKey);
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emit workspaceCreated();
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}
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void Application::createInput()
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{
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ScreenLockerWatcher::create(this);
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LogindIntegration::create(this);
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auto input = InputRedirection::create(this);
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input->init();
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m_platform->createPlatformCursor(this);
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}
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void Application::createScreens()
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{
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if (Screens::self()) {
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return;
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}
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Screens::create(this);
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emit screensCreated();
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}
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void Application::createAtoms()
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{
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atoms = new Atoms;
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}
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void Application::createOptions()
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{
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options = new Options;
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}
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void Application::createCompositor()
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{
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Compositor::create(this);
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}
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void Application::setupEventFilters()
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{
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installNativeEventFilter(m_eventFilter.data());
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}
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void Application::destroyWorkspace()
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{
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delete Workspace::self();
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}
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void Application::destroyCompositor()
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{
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delete Compositor::self();
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}
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void Application::updateX11Time(xcb_generic_event_t *event)
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{
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xcb_timestamp_t time = XCB_TIME_CURRENT_TIME;
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const uint8_t eventType = event->response_type & ~0x80;
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switch(eventType) {
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case XCB_KEY_PRESS:
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case XCB_KEY_RELEASE:
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time = reinterpret_cast<xcb_key_press_event_t*>(event)->time;
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break;
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case XCB_BUTTON_PRESS:
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case XCB_BUTTON_RELEASE:
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time = reinterpret_cast<xcb_button_press_event_t*>(event)->time;
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break;
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case XCB_MOTION_NOTIFY:
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time = reinterpret_cast<xcb_motion_notify_event_t*>(event)->time;
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break;
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case XCB_ENTER_NOTIFY:
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case XCB_LEAVE_NOTIFY:
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time = reinterpret_cast<xcb_enter_notify_event_t*>(event)->time;
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break;
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case XCB_FOCUS_IN:
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case XCB_FOCUS_OUT:
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case XCB_KEYMAP_NOTIFY:
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case XCB_EXPOSE:
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case XCB_GRAPHICS_EXPOSURE:
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case XCB_NO_EXPOSURE:
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case XCB_VISIBILITY_NOTIFY:
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case XCB_CREATE_NOTIFY:
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case XCB_DESTROY_NOTIFY:
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case XCB_UNMAP_NOTIFY:
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case XCB_MAP_NOTIFY:
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case XCB_MAP_REQUEST:
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case XCB_REPARENT_NOTIFY:
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case XCB_CONFIGURE_NOTIFY:
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case XCB_CONFIGURE_REQUEST:
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case XCB_GRAVITY_NOTIFY:
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case XCB_RESIZE_REQUEST:
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case XCB_CIRCULATE_NOTIFY:
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case XCB_CIRCULATE_REQUEST:
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// no timestamp
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return;
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case XCB_PROPERTY_NOTIFY:
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time = reinterpret_cast<xcb_property_notify_event_t*>(event)->time;
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break;
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case XCB_SELECTION_CLEAR:
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time = reinterpret_cast<xcb_selection_clear_event_t*>(event)->time;
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break;
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case XCB_SELECTION_REQUEST:
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time = reinterpret_cast<xcb_selection_request_event_t*>(event)->time;
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break;
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case XCB_SELECTION_NOTIFY:
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time = reinterpret_cast<xcb_selection_notify_event_t*>(event)->time;
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break;
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case XCB_COLORMAP_NOTIFY:
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case XCB_CLIENT_MESSAGE:
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case XCB_MAPPING_NOTIFY:
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case XCB_GE_GENERIC:
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// no timestamp
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return;
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default:
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// extension handling
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if (Xcb::Extensions::self()) {
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if (eventType == Xcb::Extensions::self()->shapeNotifyEvent()) {
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time = reinterpret_cast<xcb_shape_notify_event_t*>(event)->server_time;
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}
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if (eventType == Xcb::Extensions::self()->damageNotifyEvent()) {
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time = reinterpret_cast<xcb_damage_notify_event_t*>(event)->timestamp;
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}
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}
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break;
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}
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setX11Time(time);
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}
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bool XcbEventFilter::nativeEventFilter(const QByteArray &eventType, void *message, long int *result)
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{
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Q_UNUSED(result)
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if (eventType != "xcb_generic_event_t") {
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return false;
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}
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auto event = static_cast<xcb_generic_event_t *>(message);
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kwinApp()->updateX11Time(event);
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if (!Workspace::self()) {
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// Workspace not yet created
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return false;
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}
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return Workspace::self()->workspaceEvent(event);
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}
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static bool s_useLibinput = false;
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void Application::setUseLibinput(bool use)
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{
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s_useLibinput = use;
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}
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bool Application::usesLibinput()
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{
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return s_useLibinput;
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}
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QProcessEnvironment Application::processStartupEnvironment() const
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{
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return QProcessEnvironment::systemEnvironment();
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}
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void Application::initPlatform(const KPluginMetaData &plugin)
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{
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Q_ASSERT(!m_platform);
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m_platform = qobject_cast<Platform *>(plugin.instantiate());
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if (m_platform) {
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m_platform->setParent(this);
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#if HAVE_INPUT
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// check whether it needs libinput
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const QJsonObject &metaData = plugin.rawData();
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auto it = metaData.find(QStringLiteral("input"));
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if (it != metaData.end()) {
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if ((*it).isBool()) {
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if (!(*it).toBool()) {
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qCDebug(KWIN_CORE) << "Platform does not support input, enforcing libinput support";
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setUseLibinput(true);
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}
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}
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}
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#endif
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}
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}
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} // namespace
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