File indexing completed on 2024-04-14 15:50:54

 /**
  * SPDX-FileCopyrightText: (C) 2003 Sébastien Laoût <slaout@linux62.org>
  * SPDX-FileCopyrightText: (C) 2020 Carl Schwan <carl@carlschwan.eu>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "colorpicker.h"
 
 #ifndef _WIN32
 
 #include <QDBusMessage>
 #include <QDBusMetaType>
 #include <QDBusPendingCall>
 #include <QDBusPendingCallWatcher>
 #include <QDBusPendingReply>
 #include <QDBusObjectPath>
 #include <QDBusConnection>
 #include <QDebug>
 
 QDBusArgument &operator <<(QDBusArgument &arg, const QColor &color)
 {
     arg.beginStructure();
     arg << color.redF() << color.greenF() << color.blueF();
     arg.endStructure();
     return arg;
 }
 
 const QDBusArgument &operator >>(const QDBusArgument &arg, QColor &color)
 {
     double red, green, blue;
     arg.beginStructure();
     arg >> red >> green >> blue;
     color.setRedF(red);
     color.setGreenF(green);
     color.setBlueF(blue);
     arg.endStructure();
 
     return arg;
 }
 
 ColorPicker::ColorPicker(QObject *parent)
     : QObject(parent)
 {
     setObjectName(QStringLiteral("ColorPicker"));
     qDBusRegisterMetaType<QColor>();
 }
 
 void ColorPicker::grabColor()
 {
     QDBusMessage message = QDBusMessage::createMethodCall(QLatin1String("org.freedesktop.portal.Desktop"),
                                                           QLatin1String("/org/freedesktop/portal/desktop"),
                                                           QLatin1String("org.freedesktop.portal.Screenshot"),
                                                           QLatin1String("PickColor"));
     message << QLatin1String("x11:") << QVariantMap{};
     QDBusPendingCall pendingCall = QDBusConnection::sessionBus().asyncCall(message);
     QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(pendingCall);
     connect(watcher, &QDBusPendingCallWatcher::finished, [this] (QDBusPendingCallWatcher *watcher) {
         QDBusPendingReply<QDBusObjectPath> reply = *watcher;
         if (reply.isError()) {
             qWarning() << "Couldn't get reply";
             qWarning() << "Error: " << reply.error().message();
         } else {
             QDBusConnection::sessionBus().connect(QString(),
                                                   reply.value().path(),
                                                   QLatin1String("org.freedesktop.portal.Request"),
                                                   QLatin1String("Response"),
                                                   this,
                                                   SLOT(gotColorResponse(uint, QVariantMap)));
         }
     });
 }
 
 void ColorPicker::gotColorResponse(uint response, const QVariantMap& results)
 {
     if (!response) {
         if (results.contains(QLatin1String("color"))) {
             const QColor color = qdbus_cast<QColor>(results.value(QLatin1String("color")));
             Q_EMIT colorGrabbed(color);
         }
     } else {
         qWarning() << "Failed to take screenshot";
     }
 }
 
 #include "moc_colorpicker.cpp"
 
 #endif