widgettest.h - mozsearch

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// Copyright (C) 2025 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#ifndef WIDGETTEST_H

#define WIDGETTEST_H

#include "qcanvaspainterwidget.h"

#include "qcanvaspainter.h"

#include "../shared/painthelper.h"

class HelloWidget : public QCanvasPainterWidget

public:

    HelloWidget()

        setFillColor("#000000");

    void initializeResources(QCanvasPainter *p) override

        // Provide our own QCanvasImage, to verify that a "load-if-not-yet-done"

        // logic works as expected, and it does not break down when the widget

        // is moved between windows (and so changes QRhis, losing all graphics

        // resources in the process).

        static QImage logoImage(":/quitlogo.png");

        if (logo.isNull())

            logo = p->addImage(logoImage, QCanvasPainter::ImageFlag::Repeat);

    void paint(QCanvasPainter *p) override

        paintHelloItem(p, width(), height(), &logo);

    QCanvasImage logo;

    void graphicsResourcesInvalidated() override

        qWarning("graphicsResourcesInvalidated");

        logo = {}; // textures are lost, indicate the need for reload

};

#endif // WIDGETTEST_H