qt5base-lts/tests/auto/qdirectpainter/tst_qdirectpainter.cpp

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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
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**
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** conditions contained in a signed written agreement between you and Nokia.
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** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#ifdef Q_WS_QWS
//TESTED_CLASS=
//TESTED_FILES=
#include <qwindowsystem_qws.h>
#include <qpainter.h>
#include <qdesktopwidget.h>
#include <qdirectpainter_qws.h>
#include <private/qwindowsurface_qws_p.h>
#include <private/qdrawhelper_p.h>
class tst_QDirectPainter : public QObject
{
Q_OBJECT
public:
tst_QDirectPainter() {}
~tst_QDirectPainter() {}
private slots:
void initTestCase();
void setGeometry_data();
void setGeometry();
void regionSynchronization();
void reservedSynchronous();
private:
QWSWindow* getWindow(int windId);
QColor bgColor;
};
class ColorPainter : public QDirectPainter
{
public:
ColorPainter(SurfaceFlag flag = NonReserved,
const QColor &color = QColor(Qt::red))
: QDirectPainter(0, flag), c(color) {}
QColor color() { return c; }
protected:
void regionChanged(const QRegion &region) {
QScreen::instance()->solidFill(c, region);
}
private:
QColor c;
QRegion r;
};
Q_DECLARE_METATYPE(QDirectPainter::SurfaceFlag)
void tst_QDirectPainter::initTestCase()
{
bgColor = QColor(Qt::green);
QWSServer *server = QWSServer::instance();
server->setBackground(bgColor);
}
QWSWindow* tst_QDirectPainter::getWindow(int winId)
{
QWSServer *server = QWSServer::instance();
foreach (QWSWindow *w, server->clientWindows()) {
if (w->winId() == winId)
return w;
}
return 0;
}
class ColorWidget : public QWidget
{
public:
ColorWidget(QWidget *parent = 0, const QColor &c = QColor(Qt::red))
: QWidget(parent, Qt::FramelessWindowHint), color(c)
{
QPalette opaquePalette = palette();
opaquePalette.setColor(backgroundRole(), color);
setPalette(opaquePalette);
setAutoFillBackground(true);
}
void paintEvent(QPaintEvent *e) {
r += e->region();
}
void reset() {
r = QRegion();
}
QColor color;
QRegion r;
};
#define VERIFY_COLOR(rect, color) { \
const QPixmap pixmap = QPixmap::grabWindow(QDesktopWidget().winId(), \
rect.left(), rect.top(), \
rect.width(), rect.height()); \
QCOMPARE(pixmap.size(), rect.size()); \
QPixmap expectedPixmap(pixmap); /* ensure equal formats */ \
expectedPixmap.fill(color); \
QCOMPARE(pixmap, expectedPixmap); \
}
void tst_QDirectPainter::setGeometry_data()
{
QTest::addColumn<QDirectPainter::SurfaceFlag>("flag");
QTest::newRow("NonReserved") << QDirectPainter::NonReserved;
QTest::newRow("Reserved") << QDirectPainter::Reserved;
QTest::newRow("ReservedSynchronous") << QDirectPainter::ReservedSynchronous;
}
void tst_QDirectPainter::setGeometry()
{
QFETCH(QDirectPainter::SurfaceFlag, flag);
const QRect rect(100, 100, 100, 100);
{
ColorPainter w(flag);
w.setGeometry(rect);
QApplication::processEvents();
QCOMPARE(w.geometry(), rect);
VERIFY_COLOR(rect, w.color());
}
QApplication::processEvents();
VERIFY_COLOR(rect, bgColor);
}
void tst_QDirectPainter::regionSynchronization()
{
#ifdef QT_NO_PROCESS
QSKIP("Test requires QProcess", SkipAll);
#else
QRect dpRect(10, 10, 50, 50);
// Start the direct painter in a different process
QProcess proc;
QStringList args;
args << QString::number(dpRect.x())
<< QString::number(dpRect.y())
<< QString::number(dpRect.width())
<< QString::number(dpRect.height());
proc.start("runDirectPainter/runDirectPainter", args);
QVERIFY(proc.waitForStarted(5 * 1000));
QTest::qWait(1000);
QApplication::processEvents();
VERIFY_COLOR(dpRect, Qt::blue); // blue hardcoded in runDirectPainter
QTime t;
t.start();
static int i = 0;
while (t.elapsed() < 10 * 1000) {
QApplication::processEvents();
ColorWidget w;
w.setGeometry(10, 10, 50, 50);
const QRect wRect = dpRect.translated(10, 0);
w.setGeometry(wRect);
w.show();
QApplication::processEvents();
QApplication::processEvents(); //glib event loop workaround
VERIFY_COLOR(wRect, w.color);
++i;
}
QVERIFY(i > 100); // sanity check
proc.kill();
#endif
}
class MyObject : public QObject
{
public:
MyObject(QObject *p = 0) : QObject(p), lastEvent(0) {}
bool event(QEvent *e) {
lastEvent = e;
return true;
}
QEvent *lastEvent;
};
void tst_QDirectPainter::reservedSynchronous()
{
MyObject o;
QCoreApplication::postEvent(&o, new QEvent(QEvent::None));
QDirectPainter p(0, QDirectPainter::ReservedSynchronous);
p.setRegion(QRect(5, 5, 50, 50));
// The event loop should not have been executed
QVERIFY(o.lastEvent == 0);
QCOMPARE(p.allocatedRegion(), QRegion(QRect(5, 5, 50, 50)));
}
QTEST_MAIN(tst_QDirectPainter)
#include "tst_qdirectpainter.moc"
#else // Q_WS_QWS
QTEST_NOOP_MAIN
#endif