LCOV - code coverage report
Current view: top level - window-lib - windowmanager.cpp (source / functions) Coverage Total Hit
Test: QtApplicationManager Lines: 59.7 % 377 225
Test Date: 2024-03-16 10:14:03 Functions: 74.5 % 47 35
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 29.4 % 544 160

             Branch data     Line data    Source code
       1                 :             : // Copyright (C) 2021 The Qt Company Ltd.
       2                 :             : // Copyright (C) 2019 Luxoft Sweden AB
       3                 :             : // Copyright (C) 2018 Pelagicore AG
       4                 :             : // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
       5                 :             : 
       6                 :             : #include <QGuiApplication>
       7                 :             : #include <QRegularExpression>
       8                 :             : #include <QQuickView>
       9                 :             : #include <QQuickItem>
      10                 :             : #include <QQuickItemGrabResult>
      11                 :             : #include <QQmlEngine>
      12                 :             : #include <QVariant>
      13                 :             : #include <QMetaObject>
      14                 :             : #include <QThread>
      15                 :             : #include <QQmlComponent>
      16                 :             : #include <private/qabstractanimation_p.h>
      17                 :             : #include <QLocalServer>
      18                 :             : #include "global.h"
      19                 :             : 
      20                 :             : #if QT_CONFIG(am_multi_process)
      21                 :             : #  include "waylandcompositor.h"
      22                 :             : #  include <private/qwaylandcompositor_p.h>
      23                 :             : #endif
      24                 :             : 
      25                 :             : #include "logging.h"
      26                 :             : #include "application.h"
      27                 :             : #include "applicationmanager.h"
      28                 :             : #include "abstractruntime.h"
      29                 :             : #include "runtimefactory.h"
      30                 :             : #include "window.h"
      31                 :             : #include "windowitem.h"
      32                 :             : #include "windowmanager.h"
      33                 :             : #include "windowmanager_p.h"
      34                 :             : #include "waylandwindow.h"
      35                 :             : #include "inprocesswindow.h"
      36                 :             : #include "qml-utilities.h"
      37                 :             : #include "qmlinprocapplicationmanagerwindowimpl.h"
      38                 :             : #include "systemframetimerimpl.h"
      39                 :             : 
      40                 :             : using namespace Qt::StringLiterals;
      41                 :             : 
      42                 :             : 
      43                 :             : /*!
      44                 :             :     \qmltype WindowManager
      45                 :             :     \inqmlmodule QtApplicationManager.SystemUI
      46                 :             :     \ingroup system-ui-singletons
      47                 :             :     \brief The window model and controller.
      48                 :             : 
      49                 :             :     The WindowManager singleton type is the window managing part of the application manager.
      50                 :             :     It provides a QML API only.
      51                 :             : 
      52                 :             :     The type is derived from QAbstractListModel, and can be directly used as a model in window views.
      53                 :             : 
      54                 :             :     Each item in this model corresponds to an actual window surface. Note that a single
      55                 :             :     application can have multiple surfaces; therefore, the \c applicationId role is not unique
      56                 :             :     within this model.
      57                 :             : 
      58                 :             :     \target WindowManager Roles
      59                 :             : 
      60                 :             :     The following roles are available in this model:
      61                 :             : 
      62                 :             :     \table
      63                 :             :     \header
      64                 :             :         \li Role name
      65                 :             :         \li Type
      66                 :             :         \li Description
      67                 :             :     \row
      68                 :             :         \li \c applicationId
      69                 :             :         \li string
      70                 :             :         \li The unique id of an application represented as a string. This can be used to look up
      71                 :             :             information about the application in the ApplicationManager model.
      72                 :             :     \row
      73                 :             :         \li \c window
      74                 :             :         \li WindowObject
      75                 :             :         \target windowmanager-window-role
      76                 :             :         \li The \l WindowObject containing the client surface. To display it you have to put it in a
      77                 :             :             WindowItem
      78                 :             :     \row
      79                 :             :         \li \c windowObject
      80                 :             :         \li WindowObject
      81                 :             :         \li Exactly the same as \c window. This was added to keep the role names between the
      82                 :             :             PackageManager and WindowManager models as similar as possible.
      83                 :             :             This role was introduced in Qt version 6.6.
      84                 :             :     \row
      85                 :             :         \li \c contentState
      86                 :             :         \li WindowObject::ContentState
      87                 :             :         \target windowmanager-contentState-role
      88                 :             :         \li The content state of the WindowObject. See WindowObject::contentState
      89                 :             :     \endtable
      90                 :             : 
      91                 :             :     \target Multi-process Wayland caveats
      92                 :             : 
      93                 :             :     \note Please be aware that Wayland is essentially an asynchronous IPC protocol, resulting in
      94                 :             :     different local states in the client and server processes during state changes. A prime example
      95                 :             :     for this is window property changes on the client side: in addition to being changed
      96                 :             :     asynchronously on the server side, the windowPropertyChanged signal will not be emitted while
      97                 :             :     the window object is not yet made available on the server side via the windowAdded signal. All
      98                 :             :     those changes are not lost however, but the last change before emitting the windowAdded signal
      99                 :             :     will be the initial state of the window object on the System UI side.
     100                 :             : 
     101                 :             :     \target Minimal compositor
     102                 :             : 
     103                 :             :     After importing, the WindowManager singleton can be used as in the example below.
     104                 :             :     It demonstrates how to implement a basic, fullscreen window compositor with support
     105                 :             :     for window show and hide animations:
     106                 :             : 
     107                 :             :     \qml
     108                 :             :     import QtQuick
     109                 :             :     import QtApplicationManager.SystemUI
     110                 :             : 
     111                 :             :     // Simple solution for a full-screen setup
     112                 :             :     Item {
     113                 :             :         width: 1024
     114                 :             :         height: 640
     115                 :             : 
     116                 :             :         Connections {
     117                 :             :             target: WindowManager
     118                 :             :             // Send windows to a separate model so that we have control
     119                 :             :             // over removals and ordering
     120                 :             :             function onWindowAdded(window) {
     121                 :             :                 windowsModel.append({"window":window});
     122                 :             :             }
     123                 :             :         }
     124                 :             : 
     125                 :             :         Repeater {
     126                 :             :             model: ListModel { id: windowsModel }
     127                 :             :             delegate: WindowItem {
     128                 :             :                 id: windowItem
     129                 :             :                 anchors.fill: parent
     130                 :             :                 z: model.index
     131                 :             : 
     132                 :             :                 window: model.window
     133                 :             : 
     134                 :             :                 states: [
     135                 :             :                     State {
     136                 :             :                         name: "open"
     137                 :             :                         when: model.window.contentState === WindowObject.SurfaceWithContent
     138                 :             :                         PropertyChanges { target: windowItem; scale: 1; visible: true }
     139                 :             :                     }
     140                 :             :                 ]
     141                 :             : 
     142                 :             :                 scale: 0.50
     143                 :             :                 visible: false
     144                 :             : 
     145                 :             :                 transitions: [
     146                 :             :                     Transition {
     147                 :             :                         to: "open"
     148                 :             :                         NumberAnimation {
     149                 :             :                             target: windowItem; property: "scale"
     150                 :             :                             duration: 500; easing.type: Easing.OutQuad
     151                 :             :                         }
     152                 :             :                     },
     153                 :             :                     Transition {
     154                 :             :                         from: "open"
     155                 :             :                         SequentialAnimation {
     156                 :             :                             // we wanna see the window during the closing animation
     157                 :             :                             PropertyAction { target: windowItem; property: "visible"; value: true }
     158                 :             :                             NumberAnimation {
     159                 :             :                                 target: windowItem; property: "scale"
     160                 :             :                                 duration: 500; easing.type: Easing.InQuad
     161                 :             :                             }
     162                 :             :                             ScriptAction { script: {
     163                 :             :                                 // It's important to destroy our WindowItem once it's no longer needed in
     164                 :             :                                 // order to free up resources
     165                 :             :                                 if (model.window.contentState === WindowObject.NoSurface)
     166                 :             :                                     windowsModel.remove(model.index, 1);
     167                 :             :                             } }
     168                 :             :                         }
     169                 :             :                     }
     170                 :             :                 ]
     171                 :             :             }
     172                 :             :         }
     173                 :             :     }
     174                 :             :     \endqml
     175                 :             : 
     176                 :             : */
     177                 :             : 
     178                 :             : /*!
     179                 :             :     \qmlsignal WindowManager::windowAdded(WindowObject window)
     180                 :             : 
     181                 :             :     This signal is emitted when a new WindowObject is added to the model. This happens in response
     182                 :             :     to an application creating a new window surface, which usually occurs during that application's
     183                 :             :     startup.
     184                 :             : 
     185                 :             :     To display that \a window on your QML scene you need to assign it to a WindowItem.
     186                 :             : 
     187                 :             :     \note Please be aware that the windowAdded signal is not emitted immediately when the client
     188                 :             :           sets a window to visible. This is due to the \l
     189                 :             :           {Multi-process Wayland caveats}{asynchronous nature} of the underlying Wayland protocol.
     190                 :             : */
     191                 :             : 
     192                 :             : /*!
     193                 :             :     \qmlsignal WindowManager::windowAboutToBeRemoved(WindowObject window)
     194                 :             : 
     195                 :             :     This signal is emitted before the \a window is removed from the model. This happens for
     196                 :             :     instance, when the window \c visible property is set to \c false on the application side.
     197                 :             : */
     198                 :             : 
     199                 :             : /*!
     200                 :             :     \qmlsignal WindowManager::windowContentStateChanged(WindowObject window)
     201                 :             : 
     202                 :             :     This signal is emitted when the WindowObject::contentState of the given \a window changes.
     203                 :             : 
     204                 :             :     \sa WindowObject::contentState
     205                 :             : */
     206                 :             : 
     207                 :             : /*!
     208                 :             :     \qmlsignal WindowManager::raiseApplicationWindow(string applicationId)
     209                 :             : 
     210                 :             :     This signal is emitted when an application start is triggered for the already running application
     211                 :             :     identified by \a applicationId via the ApplicationManager.
     212                 :             : */
     213                 :             : 
     214                 :             : QT_BEGIN_NAMESPACE_AM
     215                 :             : 
     216                 :             : enum WMRoles
     217                 :             : {
     218                 :             :     Id = Qt::UserRole + 1000,
     219                 :             :     WindowRole,
     220                 :             :     WindowObjectRole,
     221                 :             :     ContentState
     222                 :             : };
     223                 :             : 
     224                 :             : WindowManager *WindowManager::s_instance = nullptr;
     225                 :             : 
     226                 :          50 : WindowManager *WindowManager::createInstance(QQmlEngine *qmlEngine, const QString &waylandSocketName)
     227                 :             : {
     228         [ -  + ]:          50 :     if (s_instance)
     229                 :           0 :         qFatal("WindowManager::createInstance() was called a second time.");
     230                 :             : 
     231         [ +  - ]:          50 :     ApplicationManagerWindowImpl::setFactory([](ApplicationManagerWindow *window) {
     232         [ +  - ]:          72 :         return new QmlInProcApplicationManagerWindowImpl(window);
     233                 :             :     });
     234         [ +  - ]:          50 :     ApplicationManagerWindowAttachedImpl::setFactory([](ApplicationManagerWindowAttached *windowAttached,
     235                 :             :                                                         QQuickItem *attacheeItem) {
     236         [ +  - ]:           7 :         return new QmlInProcApplicationManagerWindowAttachedImpl(windowAttached, attacheeItem);
     237                 :             :     });
     238         [ +  - ]:          50 :     SystemFrameTimerImpl::setFactory([](FrameTimer *frameTimer) {
     239         [ +  - ]:           2 :         return new SystemFrameTimerImpl(frameTimer);
     240                 :             :     });
     241                 :             : 
     242                 :          50 :     qRegisterMetaType<Window*>("Window*");
     243                 :          50 :     qRegisterMetaType<InProcessSurfaceItem*>("InProcessSurfaceItem*");
     244                 :          50 :     qRegisterMetaType<QSharedPointer<InProcessSurfaceItem>>("QSharedPointer<InProcessSurfaceItem>");
     245                 :             : 
     246         [ +  - ]:          50 :     return s_instance = new WindowManager(qmlEngine, waylandSocketName);
     247                 :             : }
     248                 :             : 
     249                 :         156 : WindowManager *WindowManager::instance()
     250                 :             : {
     251         [ -  + ]:         156 :     if (!s_instance)
     252                 :           0 :         qFatal("WindowManager::instance() was called before createInstance().");
     253                 :         156 :     return s_instance;
     254                 :             : }
     255                 :             : 
     256                 :          50 : void WindowManager::shutDown()
     257                 :             : {
     258                 :          50 :     d->shuttingDown = true;
     259                 :             : 
     260         [ +  + ]:          50 :     if (d->allWindows.isEmpty())
     261                 :          46 :         QMetaObject::invokeMethod(&internalSignals, &WindowManagerInternalSignals::shutDownFinished, Qt::QueuedConnection);
     262                 :          50 : }
     263                 :             : 
     264                 :             : /*!
     265                 :             :     \qmlproperty bool WindowManager::runningOnDesktop
     266                 :             :     \readonly
     267                 :             : 
     268                 :             :     Holds \c true if running on a classic desktop window manager (Windows, X11, or macOS),
     269                 :             :     \c false otherwise.
     270                 :             : */
     271                 :           0 : bool WindowManager::isRunningOnDesktop() const
     272                 :             : {
     273                 :             : #if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
     274                 :             :     return true;
     275                 :             : #else
     276                 :           0 :     return qApp->platformName() == u"xcb";
     277                 :             : #endif
     278                 :             : }
     279                 :             : 
     280                 :             : /*!
     281                 :             :     \qmlproperty bool WindowManager::slowAnimations
     282                 :             : 
     283                 :             :     Whether animations are in slow mode.
     284                 :             : 
     285                 :             :     It's false by default and might be initialized to true using the command line option
     286                 :             :     \c --slow-animations.
     287                 :             : 
     288                 :             :     Also useful to check this value if you need to adjust timings for the slow animation
     289                 :             :     mode.
     290                 :             : */
     291                 :           0 : bool WindowManager::slowAnimations() const
     292                 :             : {
     293                 :           0 :     return d->slowAnimations;
     294                 :             : }
     295                 :             : 
     296                 :          50 : void WindowManager::setSlowAnimations(bool slowAnimations)
     297                 :             : {
     298         [ -  + ]:          50 :     if (slowAnimations != d->slowAnimations) {
     299                 :           0 :         d->slowAnimations = slowAnimations;
     300                 :             : 
     301         [ #  # ]:           0 :         for (auto *view : std::as_const(d->views))
     302                 :           0 :             updateViewSlowMode(view);
     303                 :             : 
     304                 :             :         // Update timer of the main, GUI, thread
     305                 :           0 :         QUnifiedTimer::instance()->setSlowModeEnabled(d->slowAnimations);
     306                 :             : 
     307                 :             :         // For new applications to start with the correct value
     308                 :           0 :         RuntimeFactory::instance()->setSlowAnimations(d->slowAnimations);
     309                 :             : 
     310                 :             :         // Update already running applications
     311                 :           0 :         const auto allApplications = ApplicationManager::instance()->applications();
     312         [ #  # ]:           0 :         for (Application *application : allApplications) {
     313         [ #  # ]:           0 :             auto runtime = application->currentRuntime();
     314         [ #  # ]:           0 :             if (runtime)
     315         [ #  # ]:           0 :                 runtime->setSlowAnimations(d->slowAnimations);
     316                 :             :         }
     317                 :             : 
     318   [ #  #  #  #  :           0 :         qCDebug(LogSystem) << "WindowManager::slowAnimations =" << d->slowAnimations;
          #  #  #  #  #  
                      # ]
     319                 :             : 
     320         [ #  # ]:           0 :         emit slowAnimationsChanged(d->slowAnimations);
     321                 :           0 :     }
     322                 :          50 : }
     323                 :             : 
     324                 :           0 : bool WindowManager::allowUnknownUiClients() const
     325                 :             : {
     326                 :           0 :     return d->allowUnknownUiClients;
     327                 :             : }
     328                 :             : 
     329                 :          50 : void WindowManager::setAllowUnknownUiClients(bool enable)
     330                 :             : {
     331                 :          50 :     d->allowUnknownUiClients = enable;
     332                 :          50 : }
     333                 :             : 
     334                 :          40 : void WindowManager::updateViewSlowMode(QQuickWindow *view)
     335                 :             : {
     336                 :             :     // QUnifiedTimer are thread-local. To also slow down animations running in the SG thread
     337                 :             :     // we need to enable the slow mode in this timer as well.
     338   [ +  -  +  - ]:          40 :     static QHash<QQuickWindow *, QMetaObject::Connection> conns;
     339                 :          40 :     bool isSlow = d->slowAnimations;
     340         [ +  - ]:          40 :     conns.insert(view, connect(view, &QQuickWindow::beforeRendering, this, [view, isSlow] {
     341                 :          38 :         QMetaObject::Connection con = conns[view];
     342   [ +  -  +  - ]:          38 :         if (con) {
     343                 :             : #if defined(Q_CC_MSVC)
     344                 :             :             qApp->disconnect(con); // MSVC cannot distinguish between static and non-static overloads in lambdas
     345                 :             : #else
     346         [ +  - ]:          38 :             QObject::disconnect(con);
     347                 :             : #endif
     348         [ +  - ]:          38 :             QUnifiedTimer::instance()->setSlowModeEnabled(isSlow);
     349                 :             :         }
     350                 :          38 :     }, Qt::DirectConnection));
     351                 :          40 : }
     352                 :             : 
     353                 :          50 : WindowManager::WindowManager(QQmlEngine *qmlEngine, const QString &waylandSocketName)
     354                 :             :     : QAbstractListModel()
     355   [ +  -  +  - ]:          50 :     , d(new WindowManagerPrivate())
     356                 :             : {
     357                 :             : #if QT_CONFIG(am_multi_process)
     358                 :          50 :     d->waylandSocketName = waylandSocketName;
     359                 :             : #else
     360                 :             :     Q_UNUSED(waylandSocketName)
     361                 :             : #endif
     362                 :             : 
     363   [ +  -  +  - ]:          50 :     d->roleNames.insert(WMRoles::Id, "applicationId");
     364   [ +  -  +  - ]:          50 :     d->roleNames.insert(WMRoles::WindowRole, "window");
     365   [ +  -  +  - ]:          50 :     d->roleNames.insert(WMRoles::WindowObjectRole, "windowObject");
     366   [ +  -  +  - ]:          50 :     d->roleNames.insert(WMRoles::ContentState, "contentState");
     367                 :             : 
     368                 :          50 :     d->qmlEngine = qmlEngine;
     369                 :             : 
     370         [ +  - ]:          50 :     qApp->installEventFilter(this);
     371                 :             : 
     372         [ +  - ]:          50 :     connect(AbstractRuntime::signaler(), &RuntimeSignaler::inProcessSurfaceItemReady,
     373         [ +  - ]:          50 :             this, &WindowManager::inProcessSurfaceItemCreated);
     374                 :          50 : }
     375                 :             : 
     376                 :         100 : WindowManager::~WindowManager()
     377                 :             : {
     378                 :          50 :     qApp->removeEventFilter(this);
     379                 :             : 
     380                 :             : #if QT_CONFIG(am_multi_process)
     381         [ +  + ]:          50 :     delete d->waylandCompositor;
     382                 :             : #endif
     383         [ +  - ]:          50 :     delete d;
     384                 :          50 :     s_instance = nullptr;
     385                 :         100 : }
     386                 :             : 
     387                 :          50 : void WindowManager::enableWatchdog(bool enable)
     388                 :             : {
     389                 :             : #if QT_CONFIG(am_multi_process)
     390                 :          50 :     WaylandWindow::m_watchdogEnabled = enable;
     391                 :             : #else
     392                 :             :     Q_UNUSED(enable);
     393                 :             : #endif
     394                 :          50 : }
     395                 :             : 
     396                 :           0 : bool WindowManager::addWaylandSocket(QLocalServer *waylandSocket)
     397                 :             : {
     398                 :             : #if QT_CONFIG(am_multi_process)
     399         [ #  # ]:           0 :     if (d->waylandCompositor) {
     400         [ #  # ]:           0 :         qCWarning(LogGraphics) << "Cannot add extra Wayland sockets after the compositor has been created"
     401   [ #  #  #  #  :           0 :                                   " (tried to add:" << waylandSocket->fullServerName() << ").";
             #  #  #  # ]
     402         [ #  # ]:           0 :         delete waylandSocket;
     403                 :           0 :         return false;
     404                 :             :     }
     405                 :             : 
     406   [ #  #  #  # ]:           0 :     if (!waylandSocket || (waylandSocket->socketDescriptor() < 0)) {
     407         [ #  # ]:           0 :         delete waylandSocket;
     408                 :           0 :         return false;
     409                 :             :     }
     410                 :             : 
     411                 :           0 :     waylandSocket->setParent(this);
     412                 :           0 :     d->extraWaylandSockets << int(waylandSocket->socketDescriptor());
     413                 :           0 :     return true;
     414                 :             : #else
     415                 :             :     Q_UNUSED(waylandSocket)
     416                 :             :     return true;
     417                 :             : #endif
     418                 :             : }
     419                 :             : 
     420                 :        1126 : int WindowManager::rowCount(const QModelIndex &parent) const
     421                 :             : {
     422         [ -  + ]:        1126 :     if (parent.isValid())
     423                 :             :         return 0;
     424                 :        1126 :     return int(d->windowsInModel.count());
     425                 :             : }
     426                 :             : 
     427                 :          10 : QVariant WindowManager::data(const QModelIndex &index, int role) const
     428                 :             : {
     429         [ +  - ]:          20 :     if (index.parent().isValid() || !index.isValid())
     430                 :           0 :         return QVariant();
     431                 :             : 
     432         [ +  - ]:          10 :     if (index.row() < 0 || index.row() >= d->windowsInModel.count())
     433                 :           0 :         return QVariant();
     434                 :             : 
     435   [ +  +  +  - ]:          10 :     Window *win = d->windowsInModel.at(index.row());
     436                 :             : 
     437   [ +  +  +  - ]:          10 :     switch (role) {
     438                 :           2 :     case WMRoles::Id:
     439         [ +  - ]:           2 :         if (win->application()) {
     440                 :           2 :             return win->application()->nonAliased()->id();
     441                 :             :         } else {
     442                 :           0 :             return QString();
     443                 :             :         }
     444                 :           6 :     case WMRoles::WindowRole:
     445                 :           6 :     case WMRoles::WindowObjectRole:
     446                 :           6 :         return QVariant::fromValue(win);
     447                 :           2 :     case WMRoles::ContentState:
     448                 :           2 :         return win->contentState();
     449                 :             :     }
     450                 :           0 :     return QVariant();
     451                 :             : }
     452                 :             : 
     453                 :           3 : QHash<int, QByteArray> WindowManager::roleNames() const
     454                 :             : {
     455         [ +  - ]:           3 :     return d->roleNames;
     456                 :             : }
     457                 :             : 
     458                 :             : /*!
     459                 :             :     \qmlproperty int WindowManager::count
     460                 :             :     \readonly
     461                 :             : 
     462                 :             :     This property holds the number of applications available.
     463                 :             : */
     464                 :         823 : int WindowManager::count() const
     465                 :             : {
     466                 :         823 :     return rowCount();
     467                 :             : }
     468                 :             : 
     469                 :             : /*!
     470                 :             :     \qmlmethod object WindowManager::get(int index) const
     471                 :             : 
     472                 :             :     Retrieves the model data at \a index as a JavaScript object. See the \l {WindowManager
     473                 :             :     Roles}{role names} for the expected object fields.
     474                 :             : 
     475                 :             :     Returns an empty object if the specified \a index is invalid.
     476                 :             : */
     477                 :           2 : QVariantMap WindowManager::get(int index) const
     478                 :             : {
     479   [ +  -  -  + ]:           2 :     if (index < 0 || index >= count()) {
     480   [ #  #  #  #  :           0 :         qCWarning(LogSystem) << "WindowManager::get(index): invalid index:" << index;
                   #  # ]
     481                 :           0 :         return QVariantMap();
     482                 :             :     }
     483                 :             : 
     484                 :           2 :     QVariantMap map;
     485         [ +  - ]:           2 :     QHash<int, QByteArray> roles = roleNames();
     486   [ +  -  +  + ]:          10 :     for (auto it = roles.begin(); it != roles.end(); ++it)
     487   [ +  -  +  -  :          16 :         map.insert(QString::fromLatin1(it.value()), data(QAbstractListModel::index(index), it.key()));
             +  -  +  - ]
     488                 :           2 :     return map;
     489                 :           4 : }
     490                 :             : 
     491                 :             : /*!
     492                 :             :     \qmlmethod WindowObject WindowManager::window(int index)
     493                 :             : 
     494                 :             :     Returns the \l{WindowObject}{window} corresponding to the given \a index in the
     495                 :             :     model, or \c null if the index is invalid.
     496                 :             : 
     497                 :             :     \note The object ownership of the returned Window object stays with the application manager.
     498                 :             :           If you want to store this pointer, you can use the WindowManager's QAbstractListModel
     499                 :             :           signals or the windowAboutToBeRemoved signal to get notified if the object is about
     500                 :             :           to be deleted on the C++ side.
     501                 :             : */
     502                 :           0 : Window *WindowManager::window(int index) const
     503                 :             : {
     504   [ #  #  #  # ]:           0 :     if (index < 0 || index >= count()) {
     505   [ #  #  #  #  :           0 :         qCWarning(LogSystem) << "WindowManager::window(index): invalid index:" << index;
                   #  # ]
     506                 :           0 :         return nullptr;
     507                 :             :     }
     508                 :           0 :     return d->windowsInModel.at(index);
     509                 :             : }
     510                 :             : 
     511                 :             : /*!
     512                 :             :     \qmlmethod list<WindowObject> WindowManager::windowsOfApplication(string applicationId)
     513                 :             : 
     514                 :             :     Returns a list of \l{WindowObject}{windows} belonging to the given \a applicationId in the
     515                 :             :     model, or an empty list if the applicationId is invalid.
     516                 :             : 
     517                 :             :     \note The object ownership of the returned Window objects stays with the application manager.
     518                 :             :           If you want to store these pointers, you can use the WindowManager's QAbstractListModel
     519                 :             :           signals or the windowAboutToBeRemoved signal to get notified if the objects are about
     520                 :             :           to be deleted on the C++ side.
     521                 :             : */
     522                 :          14 : QList<Window *> WindowManager::windowsOfApplication(const QString &id) const
     523                 :             : {
     524                 :          14 :     QList<Window *> result;
     525         [ +  + ]:          28 :     for (Window *window : std::as_const(d->windowsInModel)) {
     526   [ +  -  +  -  :          28 :         if (window->application() && window->application()->id() == id)
          +  -  +  -  -  
             +  -  -  +  
                      - ]
     527         [ +  - ]:          28 :             result << window;
     528                 :             :     }
     529                 :          14 :     return result;
     530                 :           0 : }
     531                 :             : 
     532                 :             : /*!
     533                 :             :     \qmlmethod int WindowManager::indexOfWindow(WindowObject window)
     534                 :             : 
     535                 :             :     Returns the index of the \a window within the WindowManager model, or \c -1 if the window item is
     536                 :             :     not a managed window.
     537                 :             :  */
     538                 :         288 : int WindowManager::indexOfWindow(Window *window) const
     539                 :             : {
     540         [ #  # ]:           0 :     return int(d->windowsInModel.indexOf(window));
     541                 :             : }
     542                 :             : 
     543                 :             : /*!
     544                 :             :     \qmlmethod object WindowManager::addExtension(Component component)
     545                 :             : 
     546                 :             :     Creates a Wayland compositor extension from \a component and adds it to the System UI's
     547                 :             :     underlying WaylandCompositor. The \a component must hold a valid Wayland compositor extension.
     548                 :             :     On success, in multi-process mode, the function returns the created extension. Extensions can
     549                 :             :     only be added, once ApplicationManager::windowManagerCompositorReady is true, for example:
     550                 :             : 
     551                 :             :     \code
     552                 :             :     import QtWayland.Compositor.TextureSharingExtension
     553                 :             : 
     554                 :             :     Component {
     555                 :             :         id: texshare
     556                 :             :         TextureSharingExtension {}
     557                 :             :     }
     558                 :             : 
     559                 :             :     Connections {
     560                 :             :         target: ApplicationManager
     561                 :             :         function onWindowManagerCompositorReadyChanged() {
     562                 :             :             WindowManager.addExtension(texshare);
     563                 :             :         }
     564                 :             :     }
     565                 :             :     \endcode
     566                 :             : 
     567                 :             :     \sa ApplicationManager::windowManagerCompositorReady
     568                 :             : 
     569                 :             :  */
     570                 :           3 : QObject *WindowManager::addExtension(QQmlComponent *component) const
     571                 :             : {
     572                 :             : #if QT_CONFIG(am_multi_process)
     573   [ +  -  +  + ]:           3 :     if (!component || ApplicationManager::instance()->isSingleProcess())
     574                 :           1 :         return nullptr;
     575                 :             : 
     576         [ -  + ]:           2 :     if (!d->waylandCompositor) {
     577   [ #  #  #  # ]:           0 :         qCWarning(LogSystem) << "Extensions can only be added after ApplicationManager::windowManagerCompositorReady";
     578                 :           0 :         return nullptr;
     579                 :             :     }
     580                 :             : 
     581                 :           2 :     QObject *obj = component->beginCreate(qmlContext(component));
     582                 :           2 :     auto extension = qobject_cast<QWaylandCompositorExtension*>(obj);
     583                 :             : 
     584         [ +  + ]:           2 :     if (extension)
     585                 :           1 :         extension->setParent(d->waylandCompositor);
     586                 :             : 
     587                 :           2 :     component->completeCreate();
     588                 :             : 
     589         [ +  + ]:           2 :     if (!extension)
     590         [ +  - ]:           1 :         delete obj;
     591                 :             : 
     592                 :             :     return extension;
     593                 :             : #else
     594                 :             :     Q_UNUSED(component)
     595                 :             :     return nullptr;
     596                 :             : #endif
     597                 :             : }
     598                 :             : 
     599                 :         140 : void WindowManager::setupInProcessRuntime(AbstractRuntime *runtime)
     600                 :             : {
     601                 :             :     // special hacks to get in-process mode working transparently
     602         [ +  + ]:         140 :     if (runtime->manager()->inProcess())
     603                 :          57 :         runtime->setInProcessQmlEngine(d->qmlEngine);
     604                 :         140 : }
     605                 :             : 
     606                 :             : /*
     607                 :             :     Releases all resources of the window and destroys it.
     608                 :             : */
     609                 :         344 : void WindowManager::releaseWindow(Window *window)
     610                 :             : {
     611         [ +  + ]:         344 :     auto index = d->allWindows.indexOf(window);
     612         [ +  + ]:         344 :     if (index == -1)
     613                 :             :         return;
     614                 :             : 
     615                 :         144 :     d->allWindows.removeAt(index);
     616                 :             : 
     617                 :         144 :     disconnect(window, nullptr, this, nullptr);
     618                 :             : 
     619                 :         144 :     window->deleteLater();
     620                 :             : 
     621   [ +  +  +  + ]:         144 :     if (d->shuttingDown && (count() == 0))
     622                 :           4 :         QMetaObject::invokeMethod(&internalSignals, &WindowManagerInternalSignals::shutDownFinished, Qt::QueuedConnection);
     623                 :             : }
     624                 :             : 
     625                 :             : /*
     626                 :             :     Adds the given window to the model.
     627                 :             :  */
     628                 :         144 : void WindowManager::addWindow(Window *window)
     629                 :             : {
     630                 :         144 :     beginInsertRows(QModelIndex(), count(), count());
     631                 :         144 :     d->windowsInModel << window;
     632                 :         144 :     endInsertRows();
     633                 :         144 :     emit countChanged();
     634                 :         144 :     emit windowAdded(window);
     635                 :         144 : }
     636                 :             : 
     637                 :             : /*
     638                 :             :     Removes the given window from the model.
     639                 :             :  */
     640                 :         384 : void WindowManager::removeWindow(Window *window)
     641                 :             : {
     642         [ +  + ]:         384 :     qsizetype index = d->windowsInModel.indexOf(window);
     643         [ +  + ]:         384 :     if (index == -1)
     644                 :             :         return;
     645                 :             : 
     646                 :         144 :     emit windowAboutToBeRemoved(window);
     647                 :             : 
     648                 :         144 :     beginRemoveRows(QModelIndex(), int(index), int(index));
     649                 :         144 :     d->windowsInModel.removeAt(index);
     650                 :         144 :     endRemoveRows();
     651                 :         144 :     emit countChanged();
     652                 :             : }
     653                 :             : 
     654                 :             : /*
     655                 :             :     Registers the given \a view as a possible destination for Wayland window composition.
     656                 :             : 
     657                 :             :     Wayland window items can only be rendered within top-level windows that have been registered
     658                 :             :     via this function.
     659                 :             : */
     660                 :          40 : void WindowManager::registerCompositorView(QQuickWindow *view)
     661                 :             : {
     662                 :          40 :     static bool once = false;
     663                 :             : 
     664         [ +  - ]:          40 :     if (d->views.contains(view))
     665                 :             :         return;
     666                 :          40 :     d->views << view;
     667                 :             : 
     668                 :          40 :     updateViewSlowMode(view);
     669                 :             : 
     670                 :             : #if QT_CONFIG(am_multi_process)
     671         [ +  + ]:          40 :     if (!ApplicationManager::instance()->isSingleProcess()) {
     672         [ +  - ]:          24 :         if (!d->waylandCompositor) {
     673                 :             :             // this will trigger the creation of extra sockets in main.cpp
     674                 :          24 :             emit internalSignals.compositorAboutToBeCreated();
     675                 :             : 
     676         [ +  - ]:          24 :             d->waylandCompositor = new WaylandCompositor(view, d->waylandSocketName);
     677         [ -  + ]:          24 :             for (const auto &extraSocket : std::as_const(d->extraWaylandSockets))
     678                 :           0 :                 d->waylandCompositor->addSocketDescriptor(extraSocket);
     679                 :             : 
     680                 :          24 :             connect(d->waylandCompositor, &QWaylandCompositor::surfaceCreated,
     681                 :          24 :                     this, &WindowManager::waylandSurfaceCreated);
     682                 :          24 :             connect(d->waylandCompositor, &WaylandCompositor::surfaceMapped,
     683                 :          24 :                     this, &WindowManager::waylandSurfaceMapped);
     684                 :             : 
     685                 :             :             // export the actual socket name for our child processes.
     686   [ +  -  +  - ]:          48 :             qputenv("WAYLAND_DISPLAY", d->waylandCompositor->socketName());
     687   [ +  -  +  + ]:          48 :             qCInfo(LogGraphics).nospace() << "WindowManager: running in Wayland mode [socket: "
     688   [ +  -  +  -  :          48 :                                            << d->waylandCompositor->socketName() << "]";
                   +  - ]
     689                 :             :             // SHM is always loaded
     690         [ -  + ]:          24 :             if (QWaylandCompositorPrivate::get(d->waylandCompositor)->clientBufferIntegrations().size() <= 1) {
     691         [ #  # ]:           0 :                 qCCritical(LogGraphics) << "No OpenGL capable Wayland client buffer integration available: "
     692         [ #  # ]:           0 :                                            "Wayland client applications can only use software rendering";
     693                 :             :             }
     694                 :          24 :             ApplicationManager::instance()->setWindowManagerCompositorReady(true);
     695                 :             :         } else {
     696                 :           0 :             d->waylandCompositor->registerOutputWindow(view);
     697                 :             :         }
     698                 :             :     } else {
     699         [ +  - ]:          16 :         if (!once)
     700   [ +  -  +  + ]:          32 :             qCInfo(LogGraphics) << "WindowManager: running in single-process mode [forced at run-time]";
     701                 :             :     }
     702                 :             : #else
     703                 :             :     if (!once)
     704                 :             :         qCInfo(LogGraphics) << "WindowManager: running in single-process mode [forced at compile-time]";
     705                 :             : #endif
     706                 :             : 
     707         [ +  - ]:          40 :     if (!once)
     708                 :          40 :         once = true;
     709                 :             : }
     710                 :             : 
     711                 :             : /*! \internal
     712                 :             :     Only used for in-process surfaces
     713                 :             :  */
     714                 :          67 : void WindowManager::inProcessSurfaceItemCreated(AbstractRuntime *runtime,
     715                 :             :                                                 QSharedPointer<InProcessSurfaceItem> surfaceItem)
     716                 :             : {
     717         [ -  + ]:          67 :     if (!runtime) {
     718   [ #  #  #  # ]:           0 :         qCCritical(LogSystem) << "This function must be called by a signal of Runtime!";
     719                 :           0 :         return;
     720                 :             :     }
     721         [ +  - ]:          67 :     Application *app = runtime->application() ? runtime->application()->nonAliased() : nullptr;
     722         [ -  + ]:          67 :     if (!app) {
     723   [ #  #  #  # ]:           0 :         qCCritical(LogSystem) << "This function must be called by a signal of Runtime which actually has an application attached!";
     724                 :           0 :         return;
     725                 :             :     }
     726                 :             : 
     727                 :             :     //Only create a new Window if we don't have it already in the window list, as the user controls whether windows are removed or not
     728                 :          67 :     int index = d->findWindowBySurfaceItem(surfaceItem.data());
     729         [ +  - ]:          67 :     if (index == -1) {
     730         [ +  - ]:          67 :         setupWindow(new InProcessWindow(app, surfaceItem));
     731                 :             :     } else {
     732                 :           0 :         auto window = qobject_cast<InProcessWindow*>(d->allWindows.at(index));
     733                 :           0 :         window->setContentState(Window::SurfaceWithContent);
     734                 :             :     }
     735                 :             : }
     736                 :             : 
     737                 :             : /*! \internal
     738                 :             :     Used to create the Window objects for a surface
     739                 :             :     This is called for both wayland and in-process surfaces
     740                 :             : */
     741                 :         144 : void WindowManager::setupWindow(Window *window)
     742                 :             : {
     743         [ -  + ]:         144 :     if (!window)
     744                 :           0 :         return;
     745                 :             : 
     746                 :         144 :     QQmlEngine::setObjectOwnership(window, QQmlEngine::CppOwnership);
     747                 :             : 
     748                 :         144 :     connect(window, &Window::windowPropertyChanged,
     749                 :         216 :             this, [this](const QString &name, const QVariant &value) {
     750         [ +  - ]:         108 :         if (Window *win = qobject_cast<Window *>(sender()))
     751                 :         108 :             emit windowPropertyChanged(win, name, value);
     752                 :         108 :     });
     753                 :             : 
     754                 :             :     // In very rare cases window->deleteLater() is processed before the isBeingDisplayedChanged
     755                 :             :     // handler below, i.e. the window destructor runs before the handler.
     756                 :         144 :     QPointer<Window> guardedWindow = window;
     757   [ +  -  +  - ]:         432 :     connect(window, &Window::isBeingDisplayedChanged, this, [this, guardedWindow]() {
     758         [ +  + ]:         416 :         if (!guardedWindow.isNull() && guardedWindow->contentState() == Window::NoSurface
     759   [ +  -  +  - ]:         304 :             && !guardedWindow->isBeingDisplayed()) {
     760                 :          96 :             removeWindow(guardedWindow);
     761                 :          96 :             releaseWindow(guardedWindow);
     762                 :             :         }
     763                 :         208 :     }, Qt::QueuedConnection);
     764                 :             : 
     765   [ +  -  -  - ]:         144 :     connect(window, &Window::contentStateChanged, this, [this, window]() {
     766                 :         288 :         auto contentState = window->contentState();
     767         [ +  + ]:         288 :         auto index = indexOfWindow(window);
     768         [ +  + ]:         288 :         if (index != -1) {
     769                 :         144 :             emit windowContentStateChanged(window);
     770                 :             : 
     771                 :         144 :             QModelIndex modelIndex = QAbstractListModel::index(index);
     772   [ -  -  -  -  :         144 :             qCDebug(LogGraphics).nospace() << "emitting dataChanged, index: " << modelIndex.row()
                   -  + ]
     773   [ #  #  #  #  :           0 :                     << ", contentState: " << window->contentState();
                   #  # ]
     774   [ +  -  +  - ]:         288 :             emit dataChanged(modelIndex, modelIndex, QVector<int>() << WMRoles::ContentState);
     775                 :             :         }
     776                 :             : 
     777         [ +  - ]:         288 :         if (contentState == Window::NoSurface) {
     778                 :         288 :             removeWindow(window);
     779         [ +  + ]:         288 :             if (!window->isBeingDisplayed())
     780                 :         248 :                 releaseWindow(window);
     781                 :             :         }
     782                 :         288 :     }, Qt::QueuedConnection);
     783                 :             : 
     784         [ +  - ]:         144 :     d->allWindows << window;
     785         [ +  - ]:         144 :     addWindow(window);
     786                 :         144 : }
     787                 :             : 
     788                 :             : 
     789                 :             : #if QT_CONFIG(am_multi_process)
     790                 :             : 
     791                 :         290 : void WindowManager::waylandSurfaceCreated(QWaylandSurface *surface)
     792                 :             : {
     793                 :         290 :     Q_UNUSED(surface)
     794                 :             :     // this function is still useful for Wayland debugging
     795                 :             :     //qCDebug(LogGraphics) << "New Wayland surface:" << surface->surface() << "pid:" << surface->processId();
     796                 :         290 : }
     797                 :             : 
     798                 :          77 : void WindowManager::waylandSurfaceMapped(WindowSurface *surface)
     799                 :             : {
     800                 :          77 :     qint64 processId = surface->processId();
     801                 :          77 :     const auto apps = ApplicationManager::instance()->fromProcessId(processId);
     802                 :          77 :     Application *app = nullptr;
     803                 :             : 
     804         [ +  - ]:          77 :     if (apps.size() == 1) {
     805                 :          77 :         app = apps.constFirst();
     806         [ #  # ]:           0 :     } else if (apps.size() > 1) {
     807                 :             :         // if there is more than one app within the same process, check the XDG surface appId
     808         [ #  # ]:           0 :         const QString xdgAppId = surface->applicationId();
     809         [ #  # ]:           0 :         if (!xdgAppId.isEmpty()) {
     810         [ #  # ]:           0 :             for (const auto &checkApp : apps) {
     811   [ #  #  #  # ]:           0 :                 if (checkApp->id() == xdgAppId) {
     812                 :           0 :                     app = checkApp;
     813                 :           0 :                     break;
     814                 :             :                 }
     815                 :             :             }
     816                 :             :         }
     817                 :           0 :     }
     818                 :             : 
     819   [ -  +  -  - ]:          77 :     if (!app && !d->allowUnknownUiClients) {
     820   [ #  #  #  #  :           0 :         qCCritical(LogGraphics) << "SECURITY ALERT: an unknown application with pid" << processId
          #  #  #  #  #  
                      # ]
     821         [ #  # ]:           0 :                                 << "tried to map a Wayland surface!"
     822                 :             :                                 << "\n  You can disable this check by using the commandline option "
     823                 :             :                                    "'--no-security' or by adding 'flags/noSecurity: yes' to the "
     824         [ #  # ]:           0 :                                    "configuration.";
     825                 :           0 :         return;
     826                 :             :     }
     827                 :             : 
     828                 :          77 :     Q_ASSERT(surface);
     829                 :             : 
     830   [ +  -  -  -  :          77 :     qCDebug(LogGraphics) << "Mapping Wayland surface" << surface << "of" << d->applicationId(app, surface);
          -  -  -  -  -  
          -  -  -  -  -  
                   -  + ]
     831                 :             : 
     832                 :             :     // Only create a new Window if we don't have it already in the window list, as the user controls
     833                 :             :     // whether windows are removed or not
     834   [ +  -  +  - ]:          77 :     int index = d->findWindowByWaylandSurface(surface->surface());
     835         [ +  - ]:          77 :     if (index == -1) {
     836   [ +  -  +  - ]:          77 :         WaylandWindow *w = new WaylandWindow(app, surface);
     837         [ +  - ]:          77 :         setupWindow(w);
     838                 :             :     }
     839                 :          77 : }
     840                 :             : 
     841                 :             : #endif // QT_CONFIG(am_multi_process)
     842                 :             : 
     843                 :             : /*!
     844                 :             :     \qmlsignal WindowManager::windowPropertyChanged(WindowObject window, string name, var value)
     845                 :             : 
     846                 :             :     Reports a change of an application \a window's property identified by \a name to the given
     847                 :             :     \a value.
     848                 :             : 
     849                 :             :     \note When listening to property changes of Wayland clients, be aware of the \l
     850                 :             :           {Multi-process Wayland caveats}{asynchronous nature} of the underlying Wayland protocol.
     851                 :             : 
     852                 :             :     \sa ApplicationManagerWindow::setWindowProperty()
     853                 :             : */
     854                 :             : 
     855                 :             : /*!
     856                 :             :     \qmlmethod bool WindowManager::makeScreenshot(string filename, string selector)
     857                 :             : 
     858                 :             :     Creates one or several screenshots depending on the \a selector, saving them to the files
     859                 :             :     specified by \a filename.
     860                 :             : 
     861                 :             :     The \a filename argument can either be a plain file name for single screenshots, or it can
     862                 :             :     contain format sequences that will be replaced accordingly, if multiple screenshots are
     863                 :             :     requested:
     864                 :             : 
     865                 :             :     \table
     866                 :             :     \header
     867                 :             :         \li Format
     868                 :             :         \li Description
     869                 :             :     \row
     870                 :             :         \li \c{%s}
     871                 :             :         \li Will be replaced with the screen-id of this particular screenshot.
     872                 :             :     \row
     873                 :             :         \li \c{%i}
     874                 :             :         \li Will be replaced with the application id, when making screenshots of application
     875                 :             :             windows.
     876                 :             :     \row
     877                 :             :         \li \c{%%}
     878                 :             :         \li Will be replaced by a single \c{%} character.
     879                 :             :     \endtable
     880                 :             : 
     881                 :             :     The \a selector argument is a string which is parsed according to this pattern:
     882                 :             :     \badcode
     883                 :             :     <application-id>[window-property=value]:<screen-id>
     884                 :             :     \endcode
     885                 :             : 
     886                 :             :     All parts are optional, so if you specify an empty string, the call will create a screenshot
     887                 :             :     of every screen.
     888                 :             :     If you specify an \c application-id (which can also contain wildcards for matching multiple
     889                 :             :     applications), a screenshot will be made for each window of this (these) application(s).
     890                 :             :     If only specific windows of one or more applications should be used to create screenshots, you
     891                 :             :     can specify a \c window-property selector, which will only select windows that have a matching
     892                 :             :     WindowManager::windowProperty.
     893                 :             :     Adding a \c screen-id will restrict the creation of screenshots to the the specified screen.
     894                 :             : 
     895                 :             :     Here is an example, creating screenshots of all windows on the second screen, that have the
     896                 :             :     window-property \c type set to \c cluster and written by Pelagicore:
     897                 :             :     \badcode
     898                 :             :     com.pelagicore.*[type=cluster]:1
     899                 :             :     \endcode
     900                 :             : 
     901                 :             :     Returns \c true on success and \c false otherwise.
     902                 :             : 
     903                 :             :     \note This call will be handled asynchronously, so even a positive return value does not mean
     904                 :             :           that all screenshot images have been created already.
     905                 :             : */
     906                 :             : //TODO: either change return value to list of to-be-created filenames or add a 'finished' signal
     907                 :           0 : bool WindowManager::makeScreenshot(const QString &filename, const QString &selector)
     908                 :             : {
     909                 :             :     // filename:
     910                 :             :     // %s -> screenId
     911                 :             :     // %i -> appId
     912                 :             :     // %% -> %
     913                 :             : 
     914                 :             :     // selector:
     915                 :             :     // <appid>[attribute=value]:<screenid>
     916                 :             :     // e.g. com.pelagicore.music[windowType=widget]:1
     917                 :             :     //      com.pelagicore.*[windowType=]
     918                 :             : 
     919                 :           0 :     auto substituteFilename = [filename](const QString &screenId, const QString &appId) -> QString {
     920                 :           0 :         QString result;
     921                 :           0 :         bool percent = false;
     922         [ #  # ]:           0 :         for (int i = 0; i < filename.size(); ++i) {
     923         [ #  # ]:           0 :             QChar c = filename.at(i);
     924         [ #  # ]:           0 :             if (!percent) {
     925         [ #  # ]:           0 :                 if (c != u'%')
     926         [ #  # ]:           0 :                     result.append(c);
     927                 :             :                 else
     928                 :             :                     percent = true;
     929                 :             :             } else {
     930   [ #  #  #  # ]:           0 :                 switch (c.unicode()) {
     931                 :           0 :                 case '%':
     932         [ #  # ]:           0 :                     result.append(c);
     933                 :             :                     break;
     934                 :           0 :                 case 's':
     935         [ #  # ]:           0 :                     result.append(screenId);
     936                 :             :                     break;
     937                 :           0 :                 case 'i':
     938         [ #  # ]:           0 :                     result.append(appId);
     939                 :             :                     break;
     940                 :             :                 }
     941                 :             :                 percent = false;
     942                 :             :             }
     943                 :             :         }
     944                 :           0 :         return result;
     945                 :           0 :     };
     946                 :             : 
     947   [ #  #  #  #  :           0 :     static const QRegularExpression re(u"^([a-z.-]+)?(\\[([a-zA-Z0-9_.]+)=([^\\]]*)\\])?(:([0-9]+))?"_s);
                   #  # ]
     948         [ #  # ]:           0 :     auto match = re.match(selector);
     949         [ #  # ]:           0 :     QString screenId = match.captured(6);
     950         [ #  # ]:           0 :     QString appId = match.captured(1);
     951         [ #  # ]:           0 :     QString attributeName = match.captured(3);
     952         [ #  # ]:           0 :     QString attributeValue = match.captured(4);
     953                 :             : 
     954                 :             :     // qWarning() << "Matching result:" << match.isValid();
     955                 :             :     // qWarning() << "  screen ...... :" << screenId;
     956                 :             :     // qWarning() << "  app ......... :" << appId;
     957                 :             :     // qWarning() << "  attributeName :" << attributeName;
     958                 :             :     // qWarning() << "  attributeValue:" << attributeValue;
     959                 :             : 
     960                 :           0 :     bool result = true;
     961                 :           0 :     bool foundAtLeastOne = false;
     962                 :             : 
     963   [ #  #  #  # ]:           0 :     if (appId.isEmpty() && attributeName.isEmpty()) {
     964                 :             :         // fullscreen screenshot
     965                 :             : 
     966         [ #  # ]:           0 :         for (int i = 0; i < d->views.count(); ++i) {
     967   [ #  #  #  #  :           0 :             if (screenId.isEmpty() || screenId.toInt() == i) {
                   #  # ]
     968         [ #  # ]:           0 :                 QImage img = d->views.at(i)->grabWindow();
     969                 :             : 
     970                 :           0 :                 foundAtLeastOne = true;
     971   [ #  #  #  #  :           0 :                 result &= img.save(substituteFilename(QString::number(i), QString()));
                   #  # ]
     972                 :           0 :             }
     973                 :             :         }
     974                 :             :     } else {
     975                 :             :         // app without System UI
     976                 :             : 
     977                 :             :         // filter out alias and apps not matching appId (if set)
     978   [ #  #  #  # ]:           0 :         QVector<Application *> apps = ApplicationManager::instance()->applications();
     979   [ #  #  #  #  :           0 :         apps.removeIf([appId](const Application *app) {
             #  #  #  # ]
     980   [ #  #  #  #  :           0 :             return app->isAlias() || (!appId.isEmpty() && (appId != app->id()));
                   #  # ]
     981                 :             :         });
     982                 :             : 
     983         [ #  # ]:           0 :         auto grabbers = new QList<QSharedPointer<const QQuickItemGrabResult>>;
     984                 :             : 
     985         [ #  # ]:           0 :         for (const Window *w : std::as_const(d->windowsInModel)) {
     986   [ #  #  #  # ]:           0 :             if (apps.contains(w->application())) {
     987                 :           0 :                 if (attributeName.isEmpty()
     988   [ #  #  #  #  :           0 :                         || (w->windowProperty(attributeName).toString() == attributeValue)) {
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     989         [ #  # ]:           0 :                     for (int i = 0; i < d->views.count(); ++i) {
     990   [ #  #  #  #  :           0 :                         if (screenId.isEmpty() || screenId.toInt() == i) {
                   #  # ]
     991         [ #  # ]:           0 :                             QQuickWindow *view = d->views.at(i);
     992                 :             : 
     993                 :           0 :                             bool onScreen = false;
     994                 :             : 
     995         [ #  # ]:           0 :                             auto itemList = w->items().values();
     996         [ #  # ]:           0 :                             if (itemList.count() == 0)
     997                 :           0 :                                 continue;
     998                 :             : 
     999                 :             :                             // grab the first view - they all have the same content anyway
    1000         [ #  # ]:           0 :                             WindowItem *windowItem = itemList.first();
    1001                 :             : 
    1002         [ #  # ]:           0 :                             onScreen = windowItem->QQuickItem::window() == view;
    1003                 :             : 
    1004         [ #  # ]:           0 :                             if (onScreen) {
    1005                 :           0 :                                 foundAtLeastOne = true;
    1006         [ #  # ]:           0 :                                 QSharedPointer<const QQuickItemGrabResult> grabber = windowItem->grabToImage();
    1007                 :             : 
    1008         [ #  # ]:           0 :                                 if (!grabber) {
    1009                 :           0 :                                     result = false;
    1010                 :           0 :                                     continue;
    1011                 :             :                                 }
    1012                 :             : 
    1013   [ #  #  #  #  :           0 :                                 QString saveTo = substituteFilename(QString::number(i), w->application()->id());
             #  #  #  # ]
    1014         [ #  # ]:           0 :                                 grabbers->append(grabber);
    1015   [ #  #  #  # ]:           0 :                                 connect(grabber.data(), &QQuickItemGrabResult::ready, this, [grabbers, grabber, saveTo]() {
    1016                 :           0 :                                     grabber->saveToFile(saveTo);
    1017                 :           0 :                                     grabbers->removeOne(grabber);
    1018         [ #  # ]:           0 :                                     if (grabbers->isEmpty())
    1019                 :           0 :                                         delete grabbers;
    1020                 :           0 :                                 });
    1021                 :             : 
    1022                 :           0 :                             }
    1023                 :           0 :                         }
    1024                 :             :                     }
    1025                 :             :                 }
    1026                 :             :             }
    1027                 :             :         }
    1028                 :           0 :     }
    1029                 :           0 :     return foundAtLeastOne && result;
    1030                 :           0 : }
    1031                 :             : 
    1032                 :          67 : int WindowManagerPrivate::findWindowBySurfaceItem(QQuickItem *quickItem) const
    1033                 :             : {
    1034         [ +  + ]:          87 :     for (int i = 0; i < allWindows.count(); ++i) {
    1035                 :          20 :         auto *window = allWindows.at(i);
    1036   [ +  -  -  + ]:          20 :         if (window->isInProcess() && static_cast<InProcessWindow*>(window)->rootItem() == quickItem)
    1037                 :           0 :             return i;
    1038                 :             :     }
    1039                 :             :     return -1;
    1040                 :             : }
    1041                 :             : 
    1042                 :           0 : QList<QQuickWindow *> WindowManager::compositorViews() const
    1043                 :             : {
    1044                 :           0 :     return d->views;
    1045                 :             : }
    1046                 :             : 
    1047                 :             : #if QT_CONFIG(am_multi_process)
    1048                 :             : 
    1049                 :          77 : int WindowManagerPrivate::findWindowByWaylandSurface(QWaylandSurface *waylandSurface) const
    1050                 :             : {
    1051         [ +  + ]:          96 :     for (int i = 0; i < allWindows.count(); ++i) {
    1052                 :          19 :         auto *window = allWindows.at(i);
    1053                 :             : 
    1054         [ -  + ]:          19 :         if (window->isInProcess())
    1055                 :           0 :             continue;
    1056                 :             : 
    1057         [ +  - ]:          19 :         auto windowSurface = static_cast<WaylandWindow*>(window)->surface();
    1058   [ +  -  -  + ]:          19 :         if (windowSurface && windowSurface->surface() == waylandSurface)
    1059                 :           0 :             return i;
    1060                 :             :     }
    1061                 :             :     return -1;
    1062                 :             : }
    1063                 :             : 
    1064                 :           0 : QString WindowManagerPrivate::applicationId(Application *app, WindowSurface *windowSurface)
    1065                 :             : {
    1066         [ #  # ]:           0 :     if (app)
    1067                 :           0 :         return app->id();
    1068   [ #  #  #  #  :           0 :     else if (windowSurface && windowSurface->surface() && windowSurface->surface()->client())
                   #  # ]
    1069         [ #  # ]:           0 :         return u"pid: "_s + QString::number(windowSurface->surface()->client()->processId());
    1070                 :             :     else
    1071                 :           0 :         return u"<unknown client>"_s;
    1072                 :             : }
    1073                 :             : 
    1074                 :             : #endif // QT_CONFIG(am_multi_process)
    1075                 :             : 
    1076                 :       75655 : bool WindowManager::eventFilter(QObject *watched, QEvent *event)
    1077                 :             : {
    1078         [ +  + ]:       75655 :     if (event->type() == QEvent::PlatformSurface) {
    1079         [ +  + ]:         162 :         if (auto *window = qobject_cast<QQuickWindow *>(watched)) {
    1080         [ +  - ]:          40 :             auto surfaceEventType = static_cast<QPlatformSurfaceEvent *>(event)->surfaceEventType();
    1081         [ +  - ]:          40 :             if (surfaceEventType == QPlatformSurfaceEvent::SurfaceCreated)
    1082                 :          40 :                 registerCompositorView(window);
    1083                 :             :         }
    1084                 :             :     }
    1085                 :       75655 :     return QAbstractListModel::eventFilter(watched, event);
    1086                 :             : }
    1087                 :             : 
    1088                 :             : QT_END_NAMESPACE_AM
    1089                 :             : 
    1090                 :             : #include "moc_windowmanager.cpp"
        

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