KisQQuickWidget.cpp

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/*
 * SPDX-FileCopyrightText: 2025 Wolthera van Hovell tot Westerflier <griffinvalley@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
#include "KisQQuickWidget.h"
 
 
#include <QQmlEngine>
#include <QQmlContext>
#include <QQuickStyle>
#include <QQuickItem>
#include <QQmlFileSelector>
#include <QFileSelector>
 
#include <KLocalizedContext>
 
#include <KoResourcePaths.h>
#include <KisSurfaceColorSpaceWrapper.h>
#include <kis_config_notifier.h>
 
KisQQuickWidget::KisQQuickWidget(QWidget *parent): QQuickWidget(parent)
{
#if !defined(Q_OS_MACOS) || QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
    QSurfaceFormat format;
 
    {
        format.setRedBufferSize(8);
        format.setGreenBufferSize(8);
        format.setBlueBufferSize(8);
        format.setAlphaBufferSize(8);
        format.setColorSpace(KisSurfaceColorSpaceWrapper::makeSRGBColorSpace());
    }
 
    setFormat(format);
#endif
 
    engine()->rootContext()->setContextProperty("mainWindow", parent);
    engine()->rootContext()->setContextObject(new KLocalizedContext(parent));
 
    // Clear color is the 'default background color', which, in qwidget context is the window bg.
    setClearColor(palette().window().color());
    connect(KisConfigNotifier::instance(), SIGNAL(signalColorThemeChanged(QString)), this, SLOT(updatePaletteFromConfig()));
 
    // Default to fusion style unless the user forces another style
    const QString fusion = "Fusion";
    if (qEnvironmentVariableIsEmpty("QT_QUICK_CONTROLS_STYLE") && QQuickStyle::name() != fusion) {
         QQuickStyle::setStyle(fusion);
    }
 
    engine()->addImportPath(KoResourcePaths::getApplicationRoot() + "/lib/qml/");
    engine()->addImportPath(KoResourcePaths::getApplicationRoot() + "/lib64/qml/");
 
    engine()->addPluginPath(KoResourcePaths::getApplicationRoot() + "/lib/qml/");
    engine()->addPluginPath(KoResourcePaths::getApplicationRoot() + "/lib64/qml/");
 
    QQmlFileSelector* selector = new QQmlFileSelector(engine());
    QStringList extraSelectors;
    /*
     * This allows for Style specific components, which it'll load from
     * a "+StyleName" folder.
     */
    extraSelectors << QQuickStyle::name();
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
    extraSelectors << "qt6";
#elif QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
    extraSelectors << "qt5";
#endif
    extraSelectors << "qquickwidget";
 
    selector->setExtraSelectors(extraSelectors);
 
 
    setResizeMode(QQuickWidget::SizeRootObjectToView);
}
 
KisQQuickWidget::~KisQQuickWidget()
{
    setParent(nullptr);
}
 
void KisQQuickWidget::connectMinimumHeightToRootObject()
{
    if (rootObject()) {
        connect(rootObject(), SIGNAL(implicitHeightChanged()), this, SLOT(setMinimumHeightFromRoot()));
        setMinimumHeightFromRoot();
    }
}
 
void KisQQuickWidget::connectMinimumWidthToRootObject()
{
    if (rootObject()) {
        connect(rootObject(), SIGNAL(implicitWidthChanged()), this, SLOT(setMinimumWidthFromRoot()));
        setMinimumWidthFromRoot();
    }
}
 
void KisQQuickWidget::updatePaletteFromConfig()
{
    setClearColor(palette().window().color());
}
 
void KisQQuickWidget::setMinimumHeightFromRoot()
{
    if (rootObject()) {
        setMinimumHeight(rootObject()->implicitHeight());
    }
}
 
void KisQQuickWidget::setMinimumWidthFromRoot()
{
    if (rootObject()) {
        setMinimumWidth(rootObject()->implicitWidth());
    }
}