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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <qcoreapplication.h>
#include <qdebug.h>
#include <qabstracttextdocumentlayout.h>
#include <qimage.h>
#include <qtextobject.h>
#include <qfontmetrics.h>
class tst_QAbstractTextDocumentLayout : public QObject
{
Q_OBJECT
public:
tst_QAbstractTextDocumentLayout();
virtual ~tst_QAbstractTextDocumentLayout();
private slots:
void getSetCheck();
void maximumBlockCount();
void anchorAt();
void imageAt();
void formatAt();
};
tst_QAbstractTextDocumentLayout::tst_QAbstractTextDocumentLayout()
{
}
tst_QAbstractTextDocumentLayout::~tst_QAbstractTextDocumentLayout()
{
}
class MyAbstractTextDocumentLayout : public QAbstractTextDocumentLayout
{
Q_OBJECT
public:
MyAbstractTextDocumentLayout(QTextDocument *doc)
: QAbstractTextDocumentLayout(doc)
, gotFullLayout(false)
, blockCount(0)
, changeEvents(0)
{
}
void draw(QPainter *, const PaintContext &) {}
int hitTest(const QPointF &, Qt::HitTestAccuracy) const { return 0; }
int pageCount() const { return 0; }
QSizeF documentSize() const { return QSizeF(); }
QRectF frameBoundingRect(QTextFrame *) const { return QRectF(); }
QRectF blockBoundingRect(const QTextBlock &) const { return QRectF(); }
void documentChanged(int from, int /* oldLength */, int length) {
++changeEvents;
QTextBlock last = document()->lastBlock();
int lastPos = last.position() + last.length() - 1;
if (from == 0 && length == lastPos)
gotFullLayout = true;
}
bool gotFullLayout;
int blockCount;
int changeEvents;
public slots:
void blockCountChanged(int bc) { blockCount = bc; }
};
// Testing get/set functions
void tst_QAbstractTextDocumentLayout::getSetCheck()
{
QTextDocument doc;
MyAbstractTextDocumentLayout obj1(&doc);
// QPaintDevice * QAbstractTextDocumentLayout::paintDevice()
// void QAbstractTextDocumentLayout::setPaintDevice(QPaintDevice *)
QImage *var1 = new QImage(QSize(10,10), QImage::Format_ARGB32_Premultiplied);
obj1.setPaintDevice(var1);
QCOMPARE(static_cast<QPaintDevice *>(var1), obj1.paintDevice());
obj1.setPaintDevice((QPaintDevice *)0);
QCOMPARE(static_cast<QPaintDevice *>(0), obj1.paintDevice());
delete var1;
}
void tst_QAbstractTextDocumentLayout::maximumBlockCount()
{
QTextDocument doc;
doc.setMaximumBlockCount(10);
MyAbstractTextDocumentLayout layout(&doc);
doc.setDocumentLayout(&layout);
QObject::connect(&doc, SIGNAL(blockCountChanged(int)), &layout, SLOT(blockCountChanged(int)));
QTextCursor cursor(&doc);
for (int i = 0; i < 10; ++i) {
cursor.insertBlock();
cursor.insertText("bla");
}
QCOMPARE(layout.blockCount, 10);
layout.gotFullLayout = false;
layout.changeEvents = 0;
cursor.insertBlock();
QCOMPARE(layout.changeEvents, 2);
cursor.insertText("foo");
QCOMPARE(layout.changeEvents, 3);
cursor.insertBlock();
QCOMPARE(layout.changeEvents, 5);
cursor.insertText("foo");
QCOMPARE(layout.changeEvents, 6);
QVERIFY(!layout.gotFullLayout);
QCOMPARE(layout.blockCount, 10);
}
void tst_QAbstractTextDocumentLayout::anchorAt()
{
QTextDocument doc;
doc.setHtml("<a href=\"link\">foo</a>");
QAbstractTextDocumentLayout *documentLayout = doc.documentLayout();
QTextBlock firstBlock = doc.begin();
QTextLayout *layout = firstBlock.layout();
layout->setPreeditArea(doc.toPlainText().length(), "xxx");
doc.setPageSize(QSizeF(1000, 1000));
QFontMetrics metrics(layout->font());
QPointF blockStart = documentLayout->blockBoundingRect(firstBlock).topLeft();
// anchorAt on start returns link
QRect linkBr = metrics.boundingRect("foo");
QPointF linkPoint((linkBr.width() / 2) + blockStart.x(), (linkBr.height() / 2) + blockStart.y());
QCOMPARE(documentLayout->anchorAt(linkPoint), QString("link"));
// anchorAt() on top of preedit at end should not assert
QRect preeditBr = metrics.boundingRect(doc.toPlainText() + "xx");
QPointF preeditPoint(preeditBr.width() + blockStart.x(), (preeditBr.height() / 2) + blockStart.y());
QCOMPARE(documentLayout->anchorAt(preeditPoint), QString());
// preedit at start should not return link
layout->setPreeditArea(0, "xxx");
preeditBr = metrics.boundingRect("xx");
preeditPoint = QPointF(preeditBr.width() + blockStart.x(), (preeditBr.height() / 2) + blockStart.y());
QCOMPARE(documentLayout->anchorAt(preeditPoint), QString());
}
void tst_QAbstractTextDocumentLayout::imageAt()
{
QTextDocument doc;
doc.setHtml("foo<a href=\"link\"><img src=\"image\" width=\"50\" height=\"50\"/></a>");
QAbstractTextDocumentLayout *documentLayout = doc.documentLayout();
QTextBlock firstBlock = doc.begin();
QTextLayout *layout = firstBlock.layout();
layout->setPreeditArea(doc.toPlainText().length(), "xxx");
doc.setPageSize(QSizeF(1000, 1000));
QFontMetrics metrics(layout->font());
QPointF blockStart = documentLayout->blockBoundingRect(firstBlock).topLeft();
QRect fooBr = metrics.boundingRect("foo");
QPointF imagePoint(fooBr.width() + blockStart.x() + 25, blockStart.y() + 25);
// imageAt on image returns source
QCOMPARE(documentLayout->imageAt(imagePoint), QString("image"));
// anchorAt on image returns link
QCOMPARE(documentLayout->anchorAt(imagePoint), QString("link"));
// imageAt on start returns nothing (there's the "foo" text)
QPointF fooPoint(blockStart.x() + (fooBr.width() / 2), (fooBr.height() / 2) + blockStart.y());
QCOMPARE(documentLayout->imageAt(fooPoint), QString());
}
void tst_QAbstractTextDocumentLayout::formatAt()
{
QTextDocument doc;
doc.setHtml("foo<i><a href=\"link\"><img src=\"image\" width=\"50\" height=\"50\"/></a></i>");
QAbstractTextDocumentLayout *documentLayout = doc.documentLayout();
QTextBlock firstBlock = doc.begin();
QTextLayout *layout = firstBlock.layout();
layout->setPreeditArea(doc.toPlainText().length(), "xxx");
doc.setPageSize(QSizeF(1000, 1000));
QFontMetrics metrics(layout->font());
QPointF blockStart = documentLayout->blockBoundingRect(firstBlock).topLeft();
QRect fooBr = metrics.boundingRect("foo");
QPointF imagePoint(fooBr.width() + blockStart.x() + 25, blockStart.y() + 25);
QTextFormat format = documentLayout->formatAt(imagePoint);
QVERIFY(format.isCharFormat());
QVERIFY(format.toCharFormat().isAnchor());
QVERIFY(format.toCharFormat().fontItalic());
QVERIFY(format.isImageFormat());
// move over the unformatted "foo" text)
QPointF fooPoint(blockStart.x() + (fooBr.width() / 2), (fooBr.height() / 2) + blockStart.y());
format = documentLayout->formatAt(fooPoint);
QVERIFY(format.isCharFormat());
QVERIFY(!format.toCharFormat().isAnchor());
QVERIFY(!format.toCharFormat().fontItalic());
QVERIFY(!format.isImageFormat());
}
QTEST_MAIN(tst_QAbstractTextDocumentLayout)
#include "tst_qabstracttextdocumentlayout.moc"
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