QmlDesigner: Implement effect maker view

Initial basic logic for a view and simple functionality to be extended.
The view is hidden by default during development and enabled via an env var.

Task-number: QDS-10401
Change-Id: I5c2e1e20aca6c53c1ed273136ee6204145f15def
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Amr Elsayed <amr.elsayed@qt.io>

src/plugins/qmldesigner/components/effectmaker/effectmakerwidget.cpp

@@ -0,0 +1,115 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include "effectmakerwidget.h"
+
+#include "effectmakermodel.h"
+#include "effectmakerview.h"
+#include "qmldesignerconstants.h"
+#include "qmldesignerplugin.h"
+#include "theme.h"
+
+#include <coreplugin/icore.h>
+
+#include <studioquickwidget.h>
+
+#include <utils/algorithm.h>
+#include <utils/environment.h>
+#include <utils/qtcassert.h>
+
+#include <QHBoxLayout>
+#include <QQmlEngine>
+
+namespace QmlDesigner {
+
+static QString propertyEditorResourcesPath()
+{
+#ifdef SHARE_QML_PATH
+    if (Utils::qtcEnvironmentVariableIsSet("LOAD_QML_FROM_SOURCE"))
+        return QLatin1String(SHARE_QML_PATH) + "/propertyEditorQmlSources";
+#endif
+    return Core::ICore::resourcePath("qmldesigner/propertyEditorQmlSources").toString();
+}
+
+EffectMakerWidget::EffectMakerWidget(EffectMakerView *view)
+    : m_effectMakerModel{new EffectMakerModel(this)}
+    , m_effectMakerView(view)
+    , m_effectMakerWidget{new StudioQuickWidget(this)}
+{
+    setWindowTitle(tr("Effect Maker", "Title of effect maker widget"));
+    setMinimumWidth(250);
+
+    m_effectMakerWidget->quickWidget()->installEventFilter(this);
+
+    // create the inner widget
+    m_effectMakerWidget->quickWidget()->setObjectName(Constants::OBJECT_NAME_EFFECT_MAKER);
+    m_effectMakerWidget->setResizeMode(QQuickWidget::SizeRootObjectToView);
+    Theme::setupTheme(m_effectMakerWidget->engine());
+    m_effectMakerWidget->engine()->addImportPath(propertyEditorResourcesPath() + "/imports");
+    m_effectMakerWidget->setClearColor(Theme::getColor(Theme::Color::QmlDesigner_BackgroundColorDarkAlternate));
+
+    auto layout = new QHBoxLayout(this);
+    layout->setContentsMargins({});
+    layout->setSpacing(0);
+    layout->addWidget(m_effectMakerWidget.data());
+
+    setStyleSheet(Theme::replaceCssColors(
+        QString::fromUtf8(Utils::FileReader::fetchQrc(":/qmldesigner/stylesheet.css"))));
+
+    QmlDesignerPlugin::trackWidgetFocusTime(this, Constants::EVENT_EFFECTMAKER_TIME);
+
+    auto map = m_effectMakerWidget->registerPropertyMap("EffectMakerBackend");
+    map->setProperties({{"effectMakerModel", QVariant::fromValue(m_effectMakerModel.data())},
+                        {"rootView", QVariant::fromValue(this)}});
+
+    // init the first load of the QML UI elements
+    reloadQmlSource();
+}
+
+bool EffectMakerWidget::eventFilter(QObject *obj, QEvent *event)
+{
+    Q_UNUSED(obj)
+    Q_UNUSED(event)
+
+    // TODO
+
+    return false;
+}
+
+void EffectMakerWidget::contextHelp(const Core::IContext::HelpCallback &callback) const
+{
+    Q_UNUSED(callback)
+}
+
+StudioQuickWidget *EffectMakerWidget::quickWidget() const
+{
+    return m_effectMakerWidget.data();
+}
+
+QPointer<EffectMakerModel> EffectMakerWidget::effectMakerModel() const
+{
+    return m_effectMakerModel;
+}
+
+void EffectMakerWidget::focusSection(int section)
+{
+    Q_UNUSED(section)
+}
+
+QString EffectMakerWidget::qmlSourcesPath()
+{
+#ifdef SHARE_QML_PATH
+    if (Utils::qtcEnvironmentVariableIsSet("LOAD_QML_FROM_SOURCE"))
+        return QLatin1String(SHARE_QML_PATH) + "/effectMakerQmlSources";
+#endif
+    return Core::ICore::resourcePath("qmldesigner/effectMakerQmlSources").toString();
+}
+
+void EffectMakerWidget::reloadQmlSource()
+{
+    const QString effectMakerQmlPath = qmlSourcesPath() + "/EffectMaker.qml";
+    QTC_ASSERT(QFileInfo::exists(effectMakerQmlPath), return);
+    m_effectMakerWidget->setSource(QUrl::fromLocalFile(effectMakerQmlPath));
+}
+
+} // namespace QmlDesigner