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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QGuiApplication>
#include <QThread>
#include <QQuickView>
#include <QQmlEngine>
#include <QQmlContext>
#include <QQuickPaintedItem>
#include <QPainter>
#include <QTimer>
class TextBalloon : public QQuickPaintedItem
{
Q_OBJECT
Q_PROPERTY(bool rightAligned READ isRightAligned WRITE setRightAligned NOTIFY rightAlignedChanged)
Q_PROPERTY(bool innerAnim READ innerAnimEnabled WRITE setInnerAnimEnabled NOTIFY innerAnimChanged)
public:
TextBalloon(QQuickItem *parent = nullptr) : QQuickPaintedItem(parent) {
connect(&m_timer, &QTimer::timeout, this, &TextBalloon::onAnim);
m_timer.setInterval(500);
}
void paint(QPainter *painter);
bool isRightAligned() { return m_rightAligned; }
void setRightAligned(bool rightAligned);
bool innerAnimEnabled() const { return m_innerAnim; }
void setInnerAnimEnabled(bool b);
signals:
void rightAlignedChanged();
void innerAnimChanged();
private slots:
void onAnim();
private:
bool m_rightAligned = false;
bool m_innerAnim = false;
QTimer m_timer;
QRect m_animRect = QRect(10, 10, 50, 20);
int m_anim = 0;
};
void TextBalloon::paint(QPainter *painter)
{
QBrush brush(QColor("#007430"));
painter->setBrush(brush);
painter->setPen(Qt::NoPen);
painter->setRenderHint(QPainter::Antialiasing);
painter->drawRoundedRect(0, 0, boundingRect().width(), boundingRect().height() - 10, 10, 10);
if (m_rightAligned) {
const QPointF points[3] = {
QPointF(boundingRect().width() - 10.0, boundingRect().height() - 10.0),
QPointF(boundingRect().width() - 20.0, boundingRect().height()),
QPointF(boundingRect().width() - 30.0, boundingRect().height() - 10.0),
};
painter->drawConvexPolygon(points, 3);
} else {
const QPointF points[3] = {
QPointF(10.0, boundingRect().height() - 10.0),
QPointF(20.0, boundingRect().height()),
QPointF(30.0, boundingRect().height() - 10.0),
};
painter->drawConvexPolygon(points, 3);
}
if (m_innerAnim) {
painter->fillRect(m_animRect, Qt::lightGray);
const int x = m_animRect.x() + m_anim;
const int y = m_animRect.y() + m_animRect.height() / 2;
painter->setPen(QPen(QBrush(Qt::SolidLine), 4));
painter->drawLine(x + 4, y, x + 10, y);
m_anim += 10;
if (m_anim > m_animRect.width())
m_anim = 0;
}
}
void TextBalloon::setRightAligned(bool rightAligned)
{
if (m_rightAligned == rightAligned)
return;
m_rightAligned = rightAligned;
emit rightAlignedChanged();
}
void TextBalloon::setInnerAnimEnabled(bool b)
{
if (m_innerAnim == b)
return;
m_innerAnim = b;
if (!b)
m_timer.stop();
else
m_timer.start();
emit innerAnimChanged();
}
void TextBalloon::onAnim()
{
update(m_animRect);
}
class Helper : public QObject
{
Q_OBJECT
public:
Helper(QQuickWindow *w) : m_window(w) { }
Q_INVOKABLE void sleep(int ms) {
QThread::msleep(ms);
}
Q_INVOKABLE void testGrab() {
QImage img = m_window->grabWindow();
qDebug() << "Saving image to grab_result.png" << img;
img.save("grab_result.png");
}
QQuickWindow *m_window;
};
int main(int argc, char **argv)
{
qputenv("QT_QUICK_BACKEND", "d3d12");
QGuiApplication app(argc, argv);
qDebug("Available tests:");
qDebug(" [R] - Rectangles");
qDebug(" [4] - A lot of rectangles");
qDebug(" [I] - Images");
qDebug(" [5] - A lot of async images");
qDebug(" [T] - Text");
qDebug(" [A] - Render thread Animator");
qDebug(" [L] - Layers");
qDebug(" [E] - Effects");
qDebug(" [P] - QQuickPaintedItem");
qDebug(" [G] - Grab current window");
qDebug("\nPress S to stop the currently running test\n");
QQuickView view;
Helper helper(&view);
if (app.arguments().contains(QLatin1String("--multisample"))) {
qDebug("Requesting sample count 4");
QSurfaceFormat fmt;
fmt.setSamples(4);
view.setFormat(fmt);
}
view.engine()->rootContext()->setContextProperty(QLatin1String("helper"), &helper);
qmlRegisterType<TextBalloon>("Stuff", 1, 0, "TextBalloon");
view.setResizeMode(QQuickView::SizeRootObjectToView);
view.resize(1024, 768);
view.setSource(QUrl("qrc:/main.qml"));
view.show();
return app.exec();
}
#include "nodetypes.moc"
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