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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "materialbrowserwidget.h"
#include "materialbrowsermodel.h"
#include <theme.h>
#include <designeractionmanager.h>
#include <designermcumanager.h>
#include <documentmanager.h>
#include <qmldesignerconstants.h>
#include <qmldesignerplugin.h>
#include <utils/algorithm.h>
#include <utils/stylehelper.h>
#include <utils/qtcassert.h>
#include <QImageReader>
#include <QMenu>
#include <QMimeData>
#include <QMouseEvent>
#include <QQmlContext>
#include <QQmlEngine>
#include <QQuickImageProvider>
#include <QQuickItem>
#include <QShortcut>
#include <QStackedWidget>
#include <QTabBar>
#include <QTimer>
#include <QToolButton>
#include <QVBoxLayout>
#include <QWheelEvent>
namespace QmlDesigner {
static QString propertyEditorResourcesPath()
{
#ifdef SHARE_QML_PATH
if (qEnvironmentVariableIsSet("LOAD_QML_FROM_SOURCE"))
return QLatin1String(SHARE_QML_PATH) + "/propertyEditorQmlSources";
#endif
return Core::ICore::resourcePath("qmldesigner/propertyEditorQmlSources").toString();
}
class PreviewImageProvider : public QQuickImageProvider
{
QHash<qint32, QPixmap> m_pixmaps;
public:
PreviewImageProvider()
: QQuickImageProvider(Pixmap) {}
void setPixmap(const ModelNode &node, const QPixmap &pixmap)
{
m_pixmaps.insert(node.internalId(), pixmap);
}
QPixmap requestPixmap(const QString &id, QSize *size, const QSize &requestedSize) override
{
Q_UNUSED(requestedSize)
static QPixmap defaultPreview = QPixmap::fromImage(QImage(":/materialeditor/images/defaultmaterialpreview.png"));
QPixmap pixmap{150, 150};
qint32 internalId = id.toInt();
if (m_pixmaps.contains(internalId))
pixmap = m_pixmaps.value(internalId);
else
pixmap = defaultPreview;
if (size)
*size = pixmap.size();
return pixmap;
}
};
bool MaterialBrowserWidget::eventFilter(QObject *obj, QEvent *event)
{
if (event->type() == QEvent::FocusOut) {
if (obj == m_quickWidget.data())
QMetaObject::invokeMethod(m_quickWidget->rootObject(), "closeContextMenu");
} else if (event->type() == QMouseEvent::MouseMove) {
DesignDocument *document = QmlDesignerPlugin::instance()->currentDesignDocument();
QTC_ASSERT(document, return false);
Model *model = document->currentModel();
QTC_ASSERT(model, return false);
if (m_materialToDrag.isValid()) {
QMouseEvent *me = static_cast<QMouseEvent *>(event);
if ((me->globalPos() - m_dragStartPoint).manhattanLength() > 10) {
QByteArray data;
QMimeData *mimeData = new QMimeData;
QDataStream stream(&data, QIODevice::WriteOnly);
stream << m_materialToDrag.internalId();
mimeData->setData(Constants::MIME_TYPE_MATERIAL, data);
mimeData->removeFormat("text/plain");
model->startDrag(mimeData, m_previewImageProvider->requestPixmap(
QString::number(m_materialToDrag.internalId()), nullptr, {128, 128}));
m_materialToDrag = {};
}
}
}
return QObject::eventFilter(obj, event);
}
MaterialBrowserWidget::MaterialBrowserWidget()
: m_materialBrowserModel(new MaterialBrowserModel(this))
, m_quickWidget(new QQuickWidget(this))
, m_previewImageProvider(new PreviewImageProvider())
{
setWindowTitle(tr("Material Browser", "Title of material browser widget"));
setMinimumWidth(120);
m_quickWidget->setResizeMode(QQuickWidget::SizeRootObjectToView);
m_quickWidget->engine()->addImportPath(propertyEditorResourcesPath() + "/imports");
m_quickWidget->setClearColor(Theme::getColor(Theme::Color::DSpanelBackground));
m_quickWidget->rootContext()->setContextProperties({
{"rootView", QVariant::fromValue(this)},
{"materialBrowserModel", QVariant::fromValue(m_materialBrowserModel.data())},
});
m_quickWidget->engine()->addImageProvider("materialBrowser", m_previewImageProvider);
Theme::setupTheme(m_quickWidget->engine());
m_quickWidget->installEventFilter(this);
auto layout = new QVBoxLayout(this);
layout->setContentsMargins({});
layout->setSpacing(0);
layout->addWidget(m_quickWidget.data());
updateSearch();
setStyleSheet(Theme::replaceCssColors(
QString::fromUtf8(Utils::FileReader::fetchQrc(":/qmldesigner/stylesheet.css"))));
m_qmlSourceUpdateShortcut = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_F8), this);
connect(m_qmlSourceUpdateShortcut, &QShortcut::activated, this, &MaterialBrowserWidget::reloadQmlSource);
reloadQmlSource();
}
void MaterialBrowserWidget::updateMaterialPreview(const ModelNode &node, const QPixmap &pixmap)
{
m_previewImageProvider->setPixmap(node, pixmap);
int idx = m_materialBrowserModel->materialIndex(node);
if (idx != -1)
QMetaObject::invokeMethod(m_quickWidget->rootObject(), "refreshPreview", Q_ARG(QVariant, idx));
}
QList<QToolButton *> MaterialBrowserWidget::createToolBarWidgets()
{
return {};
}
void MaterialBrowserWidget::handleSearchfilterChanged(const QString &filterText)
{
if (filterText != m_filterText) {
m_filterText = filterText;
updateSearch();
}
}
void MaterialBrowserWidget::startDragMaterial(int index, const QPointF &mousePos)
{
m_materialToDrag = m_materialBrowserModel->materialAt(index);
m_dragStartPoint = mousePos.toPoint();
}
QString MaterialBrowserWidget::qmlSourcesPath()
{
#ifdef SHARE_QML_PATH
if (qEnvironmentVariableIsSet("LOAD_QML_FROM_SOURCE"))
return QLatin1String(SHARE_QML_PATH) + "/materialBrowserQmlSource";
#endif
return Core::ICore::resourcePath("qmldesigner/materialBrowserQmlSource").toString();
}
void MaterialBrowserWidget::clearSearchFilter()
{
QMetaObject::invokeMethod(m_quickWidget->rootObject(), "clearSearchFilter");
}
void MaterialBrowserWidget::reloadQmlSource()
{
const QString materialBrowserQmlPath = qmlSourcesPath() + "/MaterialBrowser.qml";
QTC_ASSERT(QFileInfo::exists(materialBrowserQmlPath), return);
m_quickWidget->engine()->clearComponentCache();
m_quickWidget->setSource(QUrl::fromLocalFile(materialBrowserQmlPath));
}
void MaterialBrowserWidget::updateSearch()
{
m_materialBrowserModel->setSearchText(m_filterText);
m_quickWidget->update();
}
QQuickWidget *MaterialBrowserWidget::quickWidget() const
{
return m_quickWidget.data();
}
QPointer<MaterialBrowserModel> MaterialBrowserWidget::materialBrowserModel() const
{
return m_materialBrowserModel;
}
} // namespace QmlDesigner
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