mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-30 07:46:51 +08:00
422 lines
12 KiB
C++
422 lines
12 KiB
C++
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// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include <QTest>
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#include <qtextdocument.h>
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#include <qabstracttextdocumentlayout.h>
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#include <qdebug.h>
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#include <qpainter.h>
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#include <qtexttable.h>
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#ifndef QT_NO_WIDGETS
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#include <qtextedit.h>
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#include <qscrollbar.h>
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#endif
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class tst_QTextDocumentLayout : public QObject
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{
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Q_OBJECT
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private slots:
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void init();
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void cleanup();
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void cleanupTestCase();
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void defaultPageSizeHandling();
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void idealWidth();
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void lineSeparatorFollowingTable();
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#ifndef QT_NO_WIDGETS
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void wrapAtWordBoundaryOrAnywhere();
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#endif
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void inlineImage();
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void clippedTableCell();
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void floatingTablePageBreak();
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void imageAtRightAlignedTab();
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void blockVisibility();
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void testHitTest();
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void largeImage();
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private:
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QTextDocument *doc;
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};
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void tst_QTextDocumentLayout::init()
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{
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doc = new QTextDocument;
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}
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void tst_QTextDocumentLayout::cleanup()
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{
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delete doc;
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doc = 0;
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}
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void tst_QTextDocumentLayout::cleanupTestCase()
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{
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if (qgetenv("QTEST_KEEP_IMAGEDATA").toInt() == 0) {
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QFile::remove(QLatin1String("expected.png"));
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QFile::remove(QLatin1String("img.png"));
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}
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}
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void tst_QTextDocumentLayout::defaultPageSizeHandling()
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{
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QAbstractTextDocumentLayout *layout = doc->documentLayout();
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QVERIFY(layout);
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QVERIFY(!doc->pageSize().isValid());
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QSizeF docSize = layout->documentSize();
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QVERIFY(docSize.width() > 0 && docSize.width() < 1000);
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QVERIFY(docSize.height() > 0 && docSize.height() < 1000);
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doc->setPlainText("Some text\nwith a few lines\nand not real information\nor anything otherwise useful");
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docSize = layout->documentSize();
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QVERIFY(docSize.isValid());
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QVERIFY(docSize.width() != INT_MAX);
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QVERIFY(docSize.height() != INT_MAX);
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}
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void tst_QTextDocumentLayout::idealWidth()
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{
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doc->setPlainText("Some text\nwith a few lines\nand not real information\nor anything otherwise useful");
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doc->setTextWidth(1000);
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QCOMPARE(doc->textWidth(), qreal(1000));
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QCOMPARE(doc->size().width(), doc->textWidth());
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QVERIFY(doc->idealWidth() < doc->textWidth());
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QVERIFY(doc->idealWidth() > 0);
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QTextBlockFormat fmt;
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fmt.setAlignment(Qt::AlignRight | Qt::AlignAbsolute);
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QTextCursor cursor(doc);
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cursor.select(QTextCursor::Document);
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cursor.mergeBlockFormat(fmt);
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QCOMPARE(doc->textWidth(), qreal(1000));
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QCOMPARE(doc->size().width(), doc->textWidth());
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QVERIFY(doc->idealWidth() < doc->textWidth());
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QVERIFY(doc->idealWidth() > 0);
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}
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// none of the QTextLine items in the document should intersect with the margin rect
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void tst_QTextDocumentLayout::lineSeparatorFollowingTable()
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{
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QString html_begin("<html><table border=1><tr><th>Column 1</th></tr><tr><td>Data</td></tr></table><br>");
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QString html_text("bla bla bla bla bla bla bla bla<br>");
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QString html_end("<table border=1><tr><th>Column 1</th></tr><tr><td>Data</td></tr></table></html>");
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QString html = html_begin;
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for (int i = 0; i < 80; ++i)
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html += html_text;
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html += html_end;
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doc->setHtml(html);
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QTextCursor cursor(doc);
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cursor.movePosition(QTextCursor::Start);
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const int margin = 87;
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const int pageWidth = 873;
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const int pageHeight = 1358;
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QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
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fmt.setMargin(margin);
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doc->rootFrame()->setFrameFormat(fmt);
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QFont font(doc->defaultFont());
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font.setPointSize(10);
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doc->setDefaultFont(font);
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doc->setPageSize(QSizeF(pageWidth, pageHeight));
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QRectF marginRect(QPointF(0, pageHeight - margin), QSizeF(pageWidth, 2 * margin));
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// force layouting
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doc->pageCount();
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for (QTextBlock block = doc->begin(); block != doc->end(); block = block.next()) {
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QTextLayout *layout = block.layout();
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for (int i = 0; i < layout->lineCount(); ++i) {
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QTextLine line = layout->lineAt(i);
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QRectF rect = line.rect().translated(layout->position());
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QVERIFY(!rect.intersects(marginRect));
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}
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}
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}
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#ifndef QT_NO_WIDGETS
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void tst_QTextDocumentLayout::wrapAtWordBoundaryOrAnywhere()
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{
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//task 150562
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QTextEdit edit;
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edit.setText("<table><tr><td>hello hello hello"
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"thisisabigwordthisisabigwordthisisabigwordthisisabigwordthisisabigword"
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"hello hello hello</td></tr></table>");
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edit.setWordWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
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edit.resize(100, 100);
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edit.show();
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QVERIFY(!edit.horizontalScrollBar()->isVisible());
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}
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#endif
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void tst_QTextDocumentLayout::inlineImage()
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{
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doc->setPageSize(QSizeF(800, 500));
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QImage img(400, 400, QImage::Format_RGB32);
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QLatin1String name("bigImage");
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doc->addResource(QTextDocument::ImageResource, QUrl(name), img);
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QTextImageFormat imgFormat;
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imgFormat.setName(name);
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imgFormat.setWidth(img.width());
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QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
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qreal height = doc->pageSize().height() - fmt.topMargin() - fmt.bottomMargin();
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imgFormat.setHeight(height);
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QTextCursor cursor(doc);
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cursor.insertImage(imgFormat);
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QCOMPARE(doc->pageCount(), 1);
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}
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void tst_QTextDocumentLayout::clippedTableCell()
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{
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const char *html =
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"<table style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\""
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"border=\"0\" margin=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tr><td></td></tr></table>";
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doc->setHtml(html);
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doc->pageSize();
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QTextCursor cursor(doc);
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cursor.movePosition(QTextCursor::Right);
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QTextTable *table = cursor.currentTable();
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QVERIFY(table);
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QTextCursor cellCursor = table->cellAt(0, 0).firstCursorPosition();
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QImage src(16, 16, QImage::Format_ARGB32_Premultiplied);
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src.fill(0xffff0000);
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cellCursor.insertImage(src);
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QTextBlock block = cellCursor.block();
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QRectF r = doc->documentLayout()->blockBoundingRect(block);
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QRectF rect(0, 0, r.left() + 1, 64);
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QImage img(64, 64, QImage::Format_ARGB32_Premultiplied);
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img.fill(0x0);
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QImage expected = img;
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QPainter p(&img);
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doc->drawContents(&p, rect);
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p.end();
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p.begin(&expected);
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r.setWidth(1);
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p.fillRect(r, Qt::red);
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p.end();
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img.save("img.png");
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expected.save("expected.png");
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QCOMPARE(img, expected);
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}
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void tst_QTextDocumentLayout::floatingTablePageBreak()
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{
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doc->clear();
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QTextCursor cursor(doc);
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QTextTableFormat tableFormat;
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tableFormat.setPosition(QTextFrameFormat::FloatLeft);
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QTextTable *table = cursor.insertTable(50, 1, tableFormat);
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Q_UNUSED(table);
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// Make height of document 2/3 of the table, fitting the table into two pages
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QSizeF documentSize = doc->size();
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documentSize.rheight() *= 2.0 / 3.0;
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doc->setPageSize(documentSize);
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QCOMPARE(doc->pageCount(), 2);
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}
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void tst_QTextDocumentLayout::imageAtRightAlignedTab()
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{
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doc->clear();
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QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
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fmt.setMargin(0);
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doc->rootFrame()->setFrameFormat(fmt);
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QTextCursor cursor(doc);
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QTextBlockFormat blockFormat;
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QList<QTextOption::Tab> tabs;
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QTextOption::Tab tab;
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tab.position = 300;
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tab.type = QTextOption::RightTab;
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tabs.append(tab);
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blockFormat.setTabPositions(tabs);
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// First block: text, some of it right-aligned
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cursor.insertBlock(blockFormat);
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cursor.insertText("first line\t");
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cursor.insertText("right-aligned text");
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// Second block: text, then right-aligned image
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cursor.insertBlock(blockFormat);
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cursor.insertText("second line\t");
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QImage img(48, 48, QImage::Format_RGB32);
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const QString name = QString::fromLatin1("image");
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doc->addResource(QTextDocument::ImageResource, QUrl(name), img);
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QTextImageFormat imgFormat;
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imgFormat.setName(name);
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cursor.insertImage(imgFormat);
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// Everything should fit into the 300 pixels
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qreal bearing = QFontMetricsF(doc->defaultFont()).rightBearing(QLatin1Char('t'));
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QCOMPARE(doc->idealWidth(), std::max(300.0, 300.0 - bearing));
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}
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void tst_QTextDocumentLayout::blockVisibility()
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{
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QTextCursor cursor(doc);
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for (int i = 0; i < 10; ++i) {
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if (!doc->isEmpty())
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cursor.insertBlock();
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cursor.insertText("A");
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}
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qreal margin = doc->documentMargin();
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QSizeF emptySize(2 * margin, 2 * margin);
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QSizeF halfSize = doc->size();
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halfSize.rheight() -= 2 * margin;
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halfSize.rheight() /= 2;
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halfSize.rheight() += 2 * margin;
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for (int i = 0; i < 10; i += 2) {
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QTextBlock block = doc->findBlockByNumber(i);
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block.setVisible(false);
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doc->markContentsDirty(block.position(), block.length());
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}
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QCOMPARE(doc->size(), halfSize);
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for (int i = 1; i < 10; i += 2) {
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QTextBlock block = doc->findBlockByNumber(i);
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block.setVisible(false);
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doc->markContentsDirty(block.position(), block.length());
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}
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QCOMPARE(doc->size(), emptySize);
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for (int i = 0; i < 10; i += 2) {
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QTextBlock block = doc->findBlockByNumber(i);
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block.setVisible(true);
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doc->markContentsDirty(block.position(), block.length());
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}
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QCOMPARE(doc->size(), halfSize);
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}
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void tst_QTextDocumentLayout::largeImage()
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{
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auto img = QImage(400, 500, QImage::Format_ARGB32_Premultiplied);
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img.fill(Qt::black);
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{
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QTextDocument document;
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document.addResource(QTextDocument::ImageResource,
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QUrl("data://test.png"), QVariant(img));
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document.setPageSize({500, 504});
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auto html = "<img src=\"data://test.png\">";
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document.setHtml(html);
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QCOMPARE(document.pageCount(), 2);
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}
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{
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QTextDocument document;
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document.addResource(QTextDocument::ImageResource,
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QUrl("data://test.png"), QVariant(img));
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document.setPageSize({500, 508});
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auto html = "<img src=\"data://test.png\">";
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document.setHtml(html);
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QCOMPARE(document.pageCount(), 1);
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}
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{
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QTextDocument document;
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document.addResource(QTextDocument::ImageResource,
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QUrl("data://test.png"), QVariant(img));
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document.setPageSize({585, 250});
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auto html = "<img src=\"data://test.png\">";
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document.setHtml(html);
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QCOMPARE(document.pageCount(), 3);
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}
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{
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QTextDocument document;
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document.addResource(QTextDocument::ImageResource,
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QUrl("data://test.png"), QVariant(img));
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document.setPageSize({585, 258});
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auto html = "<img src=\"data://test.png\">";
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document.setHtml(html);
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QCOMPARE(document.pageCount(), 2);
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}
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}
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void tst_QTextDocumentLayout::testHitTest()
|
||
|
|
{
|
||
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QTextDocument document;
|
||
|
|
QTextCursor cur(&document);
|
||
|
|
int topMargin = 20;
|
||
|
|
|
||
|
|
//insert 500 blocks into textedit
|
||
|
|
for (int i = 0; i < 500; i++) {
|
||
|
|
cur.insertBlock();
|
||
|
|
cur.insertHtml(QString("block %1").arg(i));
|
||
|
|
}
|
||
|
|
|
||
|
|
//randomly set half the blocks invisible
|
||
|
|
QTextBlock blk=document.begin();
|
||
|
|
for (int i = 0; i < 500; i++) {
|
||
|
|
if (i % 7)
|
||
|
|
blk.setVisible(0);
|
||
|
|
blk = blk.next();
|
||
|
|
}
|
||
|
|
|
||
|
|
//set margin for all blocks (not strictly necessary, but makes easier to click in between blocks)
|
||
|
|
QTextBlockFormat blkfmt;
|
||
|
|
blkfmt.setTopMargin(topMargin);
|
||
|
|
cur.movePosition(QTextCursor::Start);
|
||
|
|
cur.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
|
||
|
|
cur.mergeBlockFormat(blkfmt);
|
||
|
|
|
||
|
|
for (int y = cur.selectionStart(); y < cur.selectionEnd(); y += 10) {
|
||
|
|
QPoint mousePoint(1, y);
|
||
|
|
int cursorPos = document.documentLayout()->hitTest(mousePoint, Qt::FuzzyHit);
|
||
|
|
int positionY = document.findBlock(cursorPos).layout()->position().toPoint().y();
|
||
|
|
//mousePoint is in the rect of the current Block
|
||
|
|
QVERIFY(positionY - topMargin <= y);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
QTEST_MAIN(tst_QTextDocumentLayout)
|
||
|
|
#include "tst_qtextdocumentlayout.moc"
|