| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
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| ** GNU General Public License Usage |
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| ** 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 |
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| ** |
| ** $QT_END_LICENSE$ |
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| ****************************************************************************/ |
| |
| |
| #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" |