1 /*
2 SPDX-FileCopyrightText: 2019 Roman Gilg <subdiff@gmail.com>
3
4 SPDX-License-Identifier: GPL-2.0-or-later
5 */
6 #include "output_identifier.h"
7
8 #include "../common/utils.h"
9
10 #include <kscreen/output.h>
11
12 #include <QQuickItem>
13 #include <QStandardPaths>
14 #include <QTimer>
15
16 #include <KDeclarative/kdeclarative/qmlobject.h>
17 #include <PlasmaQuick/Dialog>
18
19 #define QML_PATH "kpackage/kcms/kcm_kscreen/contents/ui/"
20
OutputIdentifier(KScreen::ConfigPtr config,QObject * parent)21 OutputIdentifier::OutputIdentifier(KScreen::ConfigPtr config, QObject *parent)
22 : QObject(parent)
23 {
24 const QString qmlPath = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral(QML_PATH "OutputIdentifier.qml"));
25
26 for (const auto &output : config->connectedOutputs()) {
27 if (!output->currentMode()) {
28 continue;
29 }
30
31 const KScreen::ModePtr mode = output->currentMode();
32 auto *view = new PlasmaQuick::Dialog();
33
34 auto qmlObject = new KDeclarative::QmlObject(view);
35 qmlObject->setSource(QUrl::fromLocalFile(qmlPath));
36 qmlObject->completeInitialization();
37
38 auto rootObj = qobject_cast<QQuickItem *>(qmlObject->rootObject());
39
40 view->setMainItem(rootObj);
41 view->setFlags(Qt::X11BypassWindowManagerHint | Qt::FramelessWindowHint);
42 view->setBackgroundHints(PlasmaQuick::Dialog::NoBackground);
43 view->installEventFilter(this);
44
45 if (!rootObj) {
46 delete view;
47 continue;
48 }
49
50 QSize deviceSize, logicalSize;
51 if (output->isHorizontal()) {
52 deviceSize = mode->size();
53 } else {
54 deviceSize = QSize(mode->size().height(), mode->size().width());
55 }
56 if (config->supportedFeatures() & KScreen::Config::Feature::PerOutputScaling) {
57 // Scale adjustment is not needed on Wayland, we use logical size.
58 logicalSize = output->logicalSize().toSize();
59 } else {
60 logicalSize = deviceSize / view->effectiveDevicePixelRatio();
61 }
62 rootObj->setProperty("outputName", Utils::outputName(output));
63 rootObj->setProperty("modeName", Utils::sizeToString(deviceSize));
64 view->setProperty("screenSize", QRect(output->pos(), logicalSize));
65 m_views << view;
66 }
67
68 for (auto *view : m_views) {
69 view->show();
70 }
71 QTimer::singleShot(2500, this, &OutputIdentifier::identifiersFinished);
72 }
73
~OutputIdentifier()74 OutputIdentifier::~OutputIdentifier()
75 {
76 qDeleteAll(m_views);
77 }
78
eventFilter(QObject * object,QEvent * event)79 bool OutputIdentifier::eventFilter(QObject *object, QEvent *event)
80 {
81 if (event->type() == QEvent::Resize) {
82 if (m_views.contains(qobject_cast<PlasmaQuick::Dialog *>(object))) {
83 QResizeEvent *e = static_cast<QResizeEvent *>(event);
84 const QRect screenSize = object->property("screenSize").toRect();
85 QRect geometry(QPoint(0, 0), e->size());
86 geometry.moveCenter(screenSize.center());
87 static_cast<PlasmaQuick::Dialog *>(object)->setGeometry(geometry);
88 }
89 }
90 return QObject::eventFilter(object, event);
91 }
92