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    41 

    42 

    43 #include <QtTest/QtTest>

    44 

    45 #include <qtextdocument.h>

    46 #include <qabstracttextdocumentlayout.h>

    47 #include <qdebug.h>

    48 #include <qpainter.h>

    49 #include <qtexttable.h>

    50 #include <qtextedit.h>

    51 #include <qscrollbar.h>

    52 

    53 //TESTED_CLASS=

    54 //TESTED_FILES=gui/text/qtextdocumentlayout_p.h gui/text/qtextdocumentlayout.cpp

    55 

    56 class tst_QTextDocumentLayout : public QObject

    57 {

    58     Q_OBJECT

    59 public:

    60     inline tst_QTextDocumentLayout() {}

    61     virtual ~tst_QTextDocumentLayout() {}

    62 

    63 public slots:

    64     void init();

    65     void cleanup();

    66 

    67 private slots:

    68     void defaultPageSizeHandling();

    69     void idealWidth();

    70     void lineSeparatorFollowingTable();

    71     void wrapAtWordBoundaryOrAnywhere();

    72     void inlineImage();

    73     void clippedTableCell();

    74     void floatingTablePageBreak();

    75 

    76 private:

    77     QTextDocument *doc;

    78 };

    79 

    80 void tst_QTextDocumentLayout::init()

    81 {

    82     doc = new QTextDocument;

    83 }

    84 

    85 void tst_QTextDocumentLayout::cleanup()

    86 {

    87     delete doc;

    88     doc = 0;

    89 }

    90 

    91 void tst_QTextDocumentLayout::defaultPageSizeHandling()

    92 {

    93     QAbstractTextDocumentLayout *layout = doc->documentLayout();

    94     QVERIFY(layout);

    95 

    96     QVERIFY(!doc->pageSize().isValid());

    97     QSizeF docSize = layout->documentSize();

    98     QVERIFY(docSize.width() > 0 && docSize.width() < 1000);

    99     QVERIFY(docSize.height() > 0 && docSize.height() < 1000);

   100 

   101     doc->setPlainText("Some text\nwith a few lines\nand not real information\nor anything otherwise useful");

   102 

   103     docSize = layout->documentSize();

   104     QVERIFY(docSize.isValid());

   105     QVERIFY(docSize.width() != INT_MAX);

   106     QVERIFY(docSize.height() != INT_MAX);

   107 }

   108 

   109 void tst_QTextDocumentLayout::idealWidth()

   110 {

   111     doc->setPlainText("Some text\nwith a few lines\nand not real information\nor anything otherwise useful");

   112     doc->setTextWidth(1000);

   113     QCOMPARE(doc->textWidth(), qreal(1000));

   114     QCOMPARE(doc->size().width(), doc->textWidth());

   115     QVERIFY(doc->idealWidth() < doc->textWidth());

   116     QVERIFY(doc->idealWidth() > 0);

   117 

   118     QTextBlockFormat fmt;

   119     fmt.setAlignment(Qt::AlignRight | Qt::AlignAbsolute);

   120     QTextCursor cursor(doc);

   121     cursor.select(QTextCursor::Document);

   122     cursor.mergeBlockFormat(fmt);

   123 

   124     QCOMPARE(doc->textWidth(), qreal(1000));

   125     QCOMPARE(doc->size().width(), doc->textWidth());

   126     QVERIFY(doc->idealWidth() < doc->textWidth());

   127     QVERIFY(doc->idealWidth() > 0);

   128 }

   129 

   130 // none of the QTextLine items in the document should intersect with the margin rect

   131 void tst_QTextDocumentLayout::lineSeparatorFollowingTable()

   132 {

   133     QString html_begin("<html><table border=1><tr><th>Column 1</th></tr><tr><td>Data</td></tr></table><br>");

   134     QString html_text("bla bla bla bla bla bla bla bla<br>");

   135     QString html_end("<table border=1><tr><th>Column 1</th></tr><tr><td>Data</td></tr></table></html>");

   136 

   137     QString html = html_begin;

   138 

   139     for (int i = 0; i < 80; ++i)

   140         html += html_text;

   141 

   142     html += html_end;

   143 

   144     doc->setHtml(html);

   145 

   146     QTextCursor cursor(doc);

   147     cursor.movePosition(QTextCursor::Start);

   148 

   149     const int margin = 87;

   150     const int pageWidth = 873;

   151     const int pageHeight = 1358;

   152 

   153     QTextFrameFormat fmt = doc->rootFrame()->frameFormat();

   154     fmt.setMargin(margin);

   155     doc->rootFrame()->setFrameFormat(fmt);

   156 

   157     QFont font(doc->defaultFont());

   158     font.setPointSize(10);

   159     doc->setDefaultFont(font);

   160     doc->setPageSize(QSizeF(pageWidth, pageHeight));

   161 

   162     QRectF marginRect(QPointF(0, pageHeight - margin), QSizeF(pageWidth, 2 * margin));

   163 

   164     // force layouting

   165     doc->pageCount();

   166 

   167     for (QTextBlock block = doc->begin(); block != doc->end(); block = block.next()) {

   168         QTextLayout *layout = block.layout();

   169         for (int i = 0; i < layout->lineCount(); ++i) {

   170             QTextLine line = layout->lineAt(i);

   171             QRectF rect = line.rect().translated(layout->position());

   172             QVERIFY(!rect.intersects(marginRect));

   173         }

   174     }

   175 }

   176 

   177 void tst_QTextDocumentLayout::wrapAtWordBoundaryOrAnywhere()

   178 {

   179     //task 150562

   180     QTextEdit edit;

   181     edit.setText("<table><tr><td>hello hello hello"

   182             "thisisabigwordthisisabigwordthisisabigwordthisisabigwordthisisabigword"

   183             "hello hello hello</td></tr></table>");

   184     edit.setWordWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);

   185     edit.resize(100, 100);

   186     edit.show();

   187     QVERIFY(!edit.horizontalScrollBar()->isVisible());

   188 }

   189 

   190 void tst_QTextDocumentLayout::inlineImage()

   191 {

   192     doc->setPageSize(QSizeF(800, 500));

   193 

   194     QImage img(400, 400, QImage::Format_RGB32);

   195     QLatin1String name("bigImage");

   196 

   197     doc->addResource(QTextDocument::ImageResource, QUrl(name), img);

   198 

   199     QTextImageFormat imgFormat;

   200     imgFormat.setName(name);

   201     imgFormat.setWidth(img.width());

   202 

   203     QTextFrameFormat fmt = doc->rootFrame()->frameFormat();

   204     qreal height = doc->pageSize().height() - fmt.topMargin() - fmt.bottomMargin();

   205     imgFormat.setHeight(height);

   206 

   207     QTextCursor cursor(doc);

   208     cursor.insertImage(imgFormat);

   209 

   210     QCOMPARE(doc->pageCount(), 1);

   211 }

   212 

   213 void tst_QTextDocumentLayout::clippedTableCell()

   214 {

   215     const char *html =

   216         "<table style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\""

   217         "border=\"0\" margin=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tr><td></td></tr></table>";

   218 

   219     doc->setHtml(html);

   220     doc->pageSize();

   221 

   222     QTextCursor cursor(doc);

   223     cursor.movePosition(QTextCursor::Right);

   224 

   225     QTextTable *table = cursor.currentTable();

   226     QVERIFY(table);

   227 

   228     QTextCursor cellCursor = table->cellAt(0, 0).firstCursorPosition();

   229     QImage src(16, 16, QImage::Format_ARGB32_Premultiplied);

   230     src.fill(0xffff0000);

   231     cellCursor.insertImage(src);

   232 

   233     QTextBlock block = cellCursor.block();

   234     QRectF r = doc->documentLayout()->blockBoundingRect(block);

   235 

   236     QRectF rect(0, 0, r.left() + 1, 64);

   237 

   238     QImage img(64, 64, QImage::Format_ARGB32_Premultiplied);

   239     img.fill(0x0);

   240     QImage expected = img;

   241     QPainter p(&img);

   242     doc->drawContents(&p, rect);

   243     p.end();

   244     p.begin(&expected);

   245     r.setWidth(1);

   246     p.fillRect(r, Qt::red);

   247     p.end();

   248 

   249     img.save("img.png");

   250     expected.save("expected.png");

   251     QCOMPARE(img, expected);

   252 }

   253 

   254 void tst_QTextDocumentLayout::floatingTablePageBreak()

   255 {

   256     doc->clear();

   257 

   258     QTextCursor cursor(doc);

   259 

   260     QTextTableFormat tableFormat;

   261     tableFormat.setPosition(QTextFrameFormat::FloatLeft);

   262     QTextTable *table = cursor.insertTable(50, 1, tableFormat);

   263 

   264     // Make height of document 2/3 of the table, fitting the table into two pages

   265     QSizeF documentSize = doc->size();

   266     documentSize.rheight() *= 2.0 / 3.0;

   267 

   268     doc->setPageSize(documentSize);

   269 

   270     QCOMPARE(doc->pageCount(), 2);

   271 }

   272 

   273 

   274 QTEST_MAIN(tst_QTextDocumentLayout)

   275 #include "tst_qtextdocumentlayout.moc"