presentation/TextMarksItem.cpp - GCC Code Coverage Report

Directory:	src/
Coverage:	low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%

	Coverage	Exec / Excl / Total
Lines:	99.0%	101 / 0 / 102
Functions:	100.0%	10 / 0 / 10
Branches:	80.3%	114 / 0 / 142

    presentation/TextMarksItem.cpp
    
        Line
        Branch
        Exec
        Source
      
        #include "TextMarksItem.h"
      
        #include <QAbstractTextDocumentLayout>
      
        #include <QPainter>
      
        #include <QPainterPath>
      
        #include <QQuickTextDocument>
      
        #include <QTextBlock>
      
        #include <QTextDocument>
      
        #include <QTextLayout>
      
        #include <QtQml>
      
        #include <mutex>
      
        150
        TextMarksItem::TextMarksItem(QQuickItem *parent) : QQuickPaintedItem(parent) {
      
          1/1✓ Branch 8 → 9 taken 150 times.

        150
          setAntialiasing(true);
      
          // The marks follow the text's size and place; a new size repaints.
      
          1/1✓ Branch 9 → 10 taken 150 times.

        150
          connect(this, &QQuickItem::widthChanged, this, &TextMarksItem::schedule);
      
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        150
          connect(this, &QQuickItem::heightChanged, this, &TextMarksItem::schedule);
      
        150
        }
      
        874
        void TextMarksItem::registerTypes() {
      
          static std::once_flag once;
      
          1/1✓ Branch 2 → 3 taken 874 times.

        900
          std::call_once(once, [] { qmlRegisterType<TextMarksItem>("MailJD.Text", 1, 0, "TextMarks"); });
      
        874
        }
      
        150
        void TextMarksItem::setTextItem(QQuickItem *item) {
      
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        150
          if (m_textItem == item) return;
      
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        150
          if (m_textItem) disconnect(m_textItem, nullptr, this, nullptr);
      
        150
          m_textItem = item;
      
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        150
          if (m_textItem) {
      
            // A rewrap or a padding change moves the marks; the document may be
      
            // replaced (a view reused for another message).
      
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        750
            for (auto signal : {&QQuickItem::widthChanged, &QQuickItem::heightChanged, &QQuickItem::xChanged, &QQuickItem::yChanged})
      
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        600
              connect(m_textItem, signal, this, &TextMarksItem::schedule);
      
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        150
            if (m_textItem->metaObject()->indexOfSignal("textChanged()") >= 0)
      
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        150
              connect(m_textItem, SIGNAL(textChanged()), this, SLOT(schedule()));
      
          }
      
        150
          emit textItemChanged();
      
        150
          schedule();
      
        }
      
        155
        void TextMarksItem::setScrollOffset(QPointF offset) {
      
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        155
          if (m_scrollOffset == offset) return;
      
        5
          m_scrollOffset = offset;
      
        5
          emit scrollOffsetChanged();
      
        5
          schedule();
      
        }
      
        1072
        QTextDocument *TextMarksItem::document() const {
      
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        1072
          if (!m_textItem) return nullptr;
      
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        1072
          auto *quick = m_textItem->property("textDocument").value<QQuickTextDocument *>();
      
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        1072
          return quick ? quick->textDocument() : nullptr;
      
        }
      
        536
        void TextMarksItem::watchDocument() {
      
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        536
          QTextDocument *current = document();
      
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        536
          if (current == m_document) return;
      
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        128
          if (m_document) disconnect(m_document, nullptr, this, nullptr);
      
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        128
          m_document = current;
      
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        128
          if (!m_document) return;
      
          // A highlighter's new formats re-lay the block out: the layout reports
      
          // it, and every edit does too.
      
          1/1✓ Branch 15 → 16 taken 128 times.

        128
          connect(m_document, &QTextDocument::contentsChanged, this, &TextMarksItem::schedule);
      
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        128
          if (auto *layout = m_document->documentLayout())
      
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        128
            connect(layout, &QAbstractTextDocumentLayout::update, this, &TextMarksItem::schedule);
      
        }
      
        536
        QList<TextMarksItem::Mark> TextMarksItem::collect() const {
      
        536
          QList<Mark> marks;
      
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        536
          QTextDocument *doc = document();
      
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        536
          if (!doc || !m_textItem || width() <= 0 || height() <= 0) return marks;
      
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        536
          QAbstractTextDocumentLayout *layout = doc->documentLayout();
      
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        536
          if (!layout) return marks;
      
          // QQuickTextEdit draws the document at its padding.
      
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        1072
          const QPointF origin = m_textItem->mapToItem(
      
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        1072
              this, QPointF(m_textItem->property("leftPadding").toReal(), m_textItem->property("topPadding").toReal()));
      
        536
          const qreal top = -origin.y();
      
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        536
          const qreal bottom = top + height();
      
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        536
          const int first = layout->hitTest(QPointF(0, std::max<qreal>(0, top)), Qt::FuzzyHit);
      
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        2427
          for (QTextBlock block = doc->findBlock(std::max(0, first)); block.isValid(); block = block.next()) {
      
          1/1✓ Branch 36 → 37 taken 1935 times.

        1935
            const QRectF blockRect = layout->blockBoundingRect(block);
      
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        1935
            if (blockRect.top() > bottom) break;
      
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        1891
            if (blockRect.bottom() < top || !block.isVisible()) continue;
      
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        1891
            const QTextLayout *text = block.layout();
      
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        1891
            if (!text) continue;
      
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        4114
            for (const QTextLayout::FormatRange &range : text->formats()) {
      
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        2223
              if (range.format.underlineStyle() != QTextCharFormat::WaveUnderline || range.length <= 0) continue;
      
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        201
              const QColor color = range.format.underlineColor().isValid() ? range.format.underlineColor() : QColor(Qt::red);
      
              // A word may wrap: one mark per line it covers.
      
        201
              int position = range.start;
      
        201
              const int end = range.start + range.length;
      
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        402
              while (position < end) {
      
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        201
                const QTextLine line = text->lineForTextPosition(position);
      
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        201
                if (!line.isValid()) break;
      
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        201
                const int lineEnd = std::min(end, line.textStart() + line.textLength());
      
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        201
                const qreal x1 = line.cursorToX(position);
      
          1/1✓ Branch 77 → 78 taken 201 times.

        201
                const qreal x2 = line.cursorToX(lineEnd);
      
        201
                Mark mark;
      
        201
                mark.x = origin.x() + blockRect.left() + std::min(x1, x2);
      
          2/2✓ Branch 83 → 84 taken 201 times.
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        201
                mark.y = origin.y() + blockRect.top() + line.y() + line.ascent() + 2;
      
        201
                mark.width = std::abs(x2 - x1);
      
        201
                mark.color = color;
      
          2/3✓ Branch 86 → 87 taken 201 times.
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        201
                if (mark.width > 0) marks.append(mark);
      
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        201
                if (marks.size() >= MaxMarks) return marks;
      
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        201
                if (lineEnd <= position) break;
      
        201
                position = lineEnd;
      
              }
      
        1891
            }
      
          }
      
        536
          return marks;
      
        ✗
        }
      
        536
        void TextMarksItem::updatePolish() {
      
          // The document a reused TextEdit shows may have changed since.
      
          1/1✓ Branch 2 → 3 taken 536 times.

        536
          watchDocument();
      
          1/1✓ Branch 3 → 4 taken 536 times.

        536
          m_marks = collect();
      
        536
          QVariantList drawnList;
      
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        536
          drawnList.reserve(m_marks.size());
      
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        737
          for (const Mark &mark : std::as_const(m_marks))
      
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        1407
            drawnList.append(QVariantMap{{QStringLiteral("x"), mark.x}, {QStringLiteral("y"), mark.y}, {QStringLiteral("width"), mark.width}});
      
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        536
          if (drawnList != m_drawnList) {
      
        57
            m_drawnList = drawnList;
      
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        57
            emit drawnChanged();
      
          }
      
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        536
          update();
      
        1340
        }
      
        365
        void TextMarksItem::paint(QPainter *painter) {
      
          // A wave of 4 px per period, 1.5 px high: the usual spelling mark.
      
        365
          constexpr qreal period = 4.0;
      
        365
          constexpr qreal amplitude = 1.5;
      
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        543
          for (const Mark &mark : std::as_const(m_marks)) {
      
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        178
            QPainterPath path(QPointF(mark.x, mark.y));
      
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        3366
            for (qreal x = 0; x < mark.width; x += period / 2) {
      
        3188
              const qreal next = std::min(mark.width, x + period / 2);
      
        3188
              const bool up = int(x / (period / 2)) % 2 == 0;
      
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        3188
              path.lineTo(mark.x + next, mark.y + (up ? -amplitude : 0));
      
            }
      
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        178
            painter->setPen(QPen(mark.color, 1.0));
      
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        178
            painter->drawPath(path);
      
        178
          }
      
        365
        }

Line	Branch	Exec	Source
1			#include "TextMarksItem.h"
2
3			#include <QAbstractTextDocumentLayout>
4			#include <QPainter>
5			#include <QPainterPath>
6			#include <QQuickTextDocument>
7			#include <QTextBlock>
8			#include <QTextDocument>
9			#include <QTextLayout>
10			#include <QtQml>
11
12			#include <mutex>
13
14		150	TextMarksItem::TextMarksItem(QQuickItem *parent) : QQuickPaintedItem(parent) {
15	1/1 ✓ Branch 8 → 9 taken 150 times.	150	setAntialiasing(true);
16			// The marks follow the text's size and place; a new size repaints.
17	1/1 ✓ Branch 9 → 10 taken 150 times.	150	connect(this, &QQuickItem::widthChanged, this, &TextMarksItem::schedule);
18	1/1 ✓ Branch 11 → 12 taken 150 times.	150	connect(this, &QQuickItem::heightChanged, this, &TextMarksItem::schedule);
19		150	}
20
21		874	void TextMarksItem::registerTypes() {
22			static std::once_flag once;
23	1/1 ✓ Branch 2 → 3 taken 874 times.	900	std::call_once(once, [] { qmlRegisterType<TextMarksItem>("MailJD.Text", 1, 0, "TextMarks"); });
24		874	}
25
26		150	void TextMarksItem::setTextItem(QQuickItem *item) {
27	1/2 ✗ Branch 3 → 4 not taken. ✓ Branch 3 → 5 taken 150 times.	150	if (m_textItem == item) return;
28	1/2 ✗ Branch 6 → 7 not taken. ✓ Branch 6 → 9 taken 150 times.	150	if (m_textItem) disconnect(m_textItem, nullptr, this, nullptr);
29		150	m_textItem = item;
30	1/2 ✓ Branch 11 → 12 taken 150 times. ✗ Branch 11 → 29 not taken.	150	if (m_textItem) {
31			// A rewrap or a padding change moves the marks; the document may be
32			// replaced (a view reused for another message).
33	2/2 ✓ Branch 18 → 14 taken 600 times. ✓ Branch 18 → 19 taken 150 times.	750	for (auto signal : {&QQuickItem::widthChanged, &QQuickItem::heightChanged, &QQuickItem::xChanged, &QQuickItem::yChanged})
34	1/1 ✓ Branch 15 → 16 taken 600 times.	600	connect(m_textItem, signal, this, &TextMarksItem::schedule);
35	1/2 ✓ Branch 22 → 23 taken 150 times. ✗ Branch 22 → 29 not taken.	150	if (m_textItem->metaObject()->indexOfSignal("textChanged()") >= 0)
36	3/3 ✓ Branch 23 → 24 taken 150 times. ✓ Branch 24 → 25 taken 150 times. ✓ Branch 26 → 27 taken 150 times.	150	connect(m_textItem, SIGNAL(textChanged()), this, SLOT(schedule()));
37			}
38		150	emit textItemChanged();
39		150	schedule();
40			}
41
42		155	void TextMarksItem::setScrollOffset(QPointF offset) {
43	2/2 ✓ Branch 3 → 4 taken 150 times. ✓ Branch 3 → 5 taken 5 times.	155	if (m_scrollOffset == offset) return;
44		5	m_scrollOffset = offset;
45		5	emit scrollOffsetChanged();
46		5	schedule();
47			}
48
49		1072	QTextDocument *TextMarksItem::document() const {
50	1/2 ✗ Branch 3 → 4 not taken. ✓ Branch 3 → 5 taken 1072 times.	1072	if (!m_textItem) return nullptr;
51	2/2 ✓ Branch 6 → 7 taken 1072 times. ✓ Branch 7 → 8 taken 1072 times.	1072	auto quick = m_textItem->property("textDocument").value<QQuickTextDocument >();
52	1/2 ✓ Branch 9 → 10 taken 1072 times. ✗ Branch 9 → 12 not taken.	1072	return quick ? quick->textDocument() : nullptr;
53			}
54
55		536	void TextMarksItem::watchDocument() {
56	1/1 ✓ Branch 2 → 3 taken 536 times.	536	QTextDocument *current = document();
57	2/2 ✓ Branch 4 → 5 taken 408 times. ✓ Branch 4 → 6 taken 128 times.	536	if (current == m_document) return;
58	1/3 ✗ Branch 7 → 8 not taken. ✓ Branch 7 → 10 taken 128 times. ✗ Branch 9 → 10 not taken.	128	if (m_document) disconnect(m_document, nullptr, this, nullptr);
59	1/1 ✓ Branch 10 → 11 taken 128 times.	128	m_document = current;
60	1/2 ✗ Branch 12 → 13 not taken. ✓ Branch 12 → 14 taken 128 times.	128	if (!m_document) return;
61			// A highlighter's new formats re-lay the block out: the layout reports
62			// it, and every edit does too.
63	1/1 ✓ Branch 15 → 16 taken 128 times.	128	connect(m_document, &QTextDocument::contentsChanged, this, &TextMarksItem::schedule);
64	2/3 ✓ Branch 18 → 19 taken 128 times. ✓ Branch 19 → 20 taken 128 times. ✗ Branch 19 → 23 not taken.	128	if (auto *layout = m_document->documentLayout())
65	1/1 ✓ Branch 20 → 21 taken 128 times.	128	connect(layout, &QAbstractTextDocumentLayout::update, this, &TextMarksItem::schedule);
66			}
67
68		536	QList<TextMarksItem::Mark> TextMarksItem::collect() const {
69		536	QList<Mark> marks;
70	1/1 ✓ Branch 2 → 3 taken 536 times.	536	QTextDocument *doc = document();
71	7/12 ✓ Branch 3 → 4 taken 536 times. ✗ Branch 3 → 10 not taken. ✓ Branch 5 → 6 taken 536 times. ✗ Branch 5 → 10 not taken. ✓ Branch 6 → 7 taken 536 times. ✓ Branch 7 → 8 taken 536 times. ✗ Branch 7 → 10 not taken. ✓ Branch 8 → 9 taken 536 times. ✗ Branch 9 → 10 not taken. ✓ Branch 9 → 11 taken 536 times. ✗ Branch 12 → 13 not taken. ✓ Branch 12 → 14 taken 536 times.	536	if (!doc \|\| !m_textItem \|\| width() <= 0 \|\| height() <= 0) return marks;
72	1/1 ✓ Branch 14 → 15 taken 536 times.	536	QAbstractTextDocumentLayout *layout = doc->documentLayout();
73	1/2 ✗ Branch 15 → 16 not taken. ✓ Branch 15 → 17 taken 536 times.	536	if (!layout) return marks;
74			// QQuickTextEdit draws the document at its padding.
75	1/1 ✓ Branch 25 → 26 taken 536 times.	1072	const QPointF origin = m_textItem->mapToItem(
76	4/4 ✓ Branch 19 → 20 taken 536 times. ✓ Branch 20 → 21 taken 536 times. ✓ Branch 22 → 23 taken 536 times. ✓ Branch 23 → 24 taken 536 times.	1072	this, QPointF(m_textItem->property("leftPadding").toReal(), m_textItem->property("topPadding").toReal()));
77		536	const qreal top = -origin.y();
78	1/1 ✓ Branch 29 → 30 taken 536 times.	536	const qreal bottom = top + height();
79	1/1 ✓ Branch 32 → 33 taken 536 times.	536	const int first = layout->hitTest(QPointF(0, std::max<qreal>(0, top)), Qt::FuzzyHit);
80	5/5 ✓ Branch 34 → 35 taken 536 times. ✓ Branch 109 → 110 taken 1891 times. ✓ Branch 112 → 113 taken 2427 times. ✓ Branch 113 → 36 taken 1935 times. ✓ Branch 113 → 114 taken 492 times.	2427	for (QTextBlock block = doc->findBlock(std::max(0, first)); block.isValid(); block = block.next()) {
81	1/1 ✓ Branch 36 → 37 taken 1935 times.	1935	const QRectF blockRect = layout->blockBoundingRect(block);
82	2/2 ✓ Branch 38 → 39 taken 44 times. ✓ Branch 38 → 40 taken 1891 times.	1935	if (blockRect.top() > bottom) break;
83	4/7 ✓ Branch 41 → 42 taken 1891 times. ✗ Branch 41 → 44 not taken. ✓ Branch 42 → 43 taken 1891 times. ✗ Branch 43 → 44 not taken. ✓ Branch 43 → 45 taken 1891 times. ✗ Branch 46 → 47 not taken. ✓ Branch 46 → 48 taken 1891 times.	1891	if (blockRect.bottom() < top \|\| !block.isVisible()) continue;
84	1/1 ✓ Branch 48 → 49 taken 1891 times.	1891	const QTextLayout *text = block.layout();
85	1/2 ✗ Branch 49 → 50 not taken. ✓ Branch 49 → 51 taken 1891 times.	1891	if (!text) continue;
86	5/5 ✓ Branch 51 → 52 taken 1891 times. ✓ Branch 52 → 53 taken 1891 times. ✓ Branch 53 → 54 taken 1891 times. ✓ Branch 101 → 55 taken 2223 times. ✓ Branch 101 → 102 taken 1891 times.	4114	for (const QTextLayout::FormatRange &range : text->formats()) {
87	6/7 ✓ Branch 56 → 57 taken 2223 times. ✓ Branch 57 → 58 taken 201 times. ✓ Branch 57 → 59 taken 2022 times. ✗ Branch 58 → 59 not taken. ✓ Branch 58 → 60 taken 201 times. ✓ Branch 61 → 62 taken 2022 times. ✓ Branch 61 → 63 taken 201 times.	2223	if (range.format.underlineStyle() != QTextCharFormat::WaveUnderline \|\| range.length <= 0) continue;
88	3/4 ✓ Branch 63 → 64 taken 201 times. ✓ Branch 65 → 66 taken 201 times. ✗ Branch 65 → 67 not taken. ✓ Branch 66 → 68 taken 201 times.	201	const QColor color = range.format.underlineColor().isValid() ? range.format.underlineColor() : QColor(Qt::red);
89			// A word may wrap: one mark per line it covers.
90		201	int position = range.start;
91		201	const int end = range.start + range.length;
92	2/2 ✓ Branch 96 → 69 taken 201 times. ✓ Branch 96 → 97 taken 201 times.	402	while (position < end) {
93	1/1 ✓ Branch 69 → 70 taken 201 times.	201	const QTextLine line = text->lineForTextPosition(position);
94	1/2 ✗ Branch 71 → 72 not taken. ✓ Branch 71 → 73 taken 201 times.	201	if (!line.isValid()) break;
95	2/2 ✓ Branch 73 → 74 taken 201 times. ✓ Branch 74 → 75 taken 201 times.	201	const int lineEnd = std::min(end, line.textStart() + line.textLength());
96	1/1 ✓ Branch 76 → 77 taken 201 times.	201	const qreal x1 = line.cursorToX(position);
97	1/1 ✓ Branch 77 → 78 taken 201 times.	201	const qreal x2 = line.cursorToX(lineEnd);
98		201	Mark mark;
99		201	mark.x = origin.x() + blockRect.left() + std::min(x1, x2);
100	2/2 ✓ Branch 83 → 84 taken 201 times. ✓ Branch 84 → 85 taken 201 times.	201	mark.y = origin.y() + blockRect.top() + line.y() + line.ascent() + 2;
101		201	mark.width = std::abs(x2 - x1);
102		201	mark.color = color;
103	2/3 ✓ Branch 86 → 87 taken 201 times. ✗ Branch 86 → 88 not taken. ✓ Branch 87 → 88 taken 201 times.	201	if (mark.width > 0) marks.append(mark);
104	1/2 ✗ Branch 89 → 90 not taken. ✓ Branch 89 → 91 taken 201 times.	201	if (marks.size() >= MaxMarks) return marks;
105	1/2 ✗ Branch 91 → 92 not taken. ✓ Branch 91 → 93 taken 201 times.	201	if (lineEnd <= position) break;
106		201	position = lineEnd;
107			}
108		1891	}
109			}
110		536	return marks;
111		✗	}
112
113		536	void TextMarksItem::updatePolish() {
114			// The document a reused TextEdit shows may have changed since.
115	1/1 ✓ Branch 2 → 3 taken 536 times.	536	watchDocument();
116	1/1 ✓ Branch 3 → 4 taken 536 times.	536	m_marks = collect();
117		536	QVariantList drawnList;
118	1/1 ✓ Branch 7 → 8 taken 536 times.	536	drawnList.reserve(m_marks.size());
119	2/2 ✓ Branch 40 → 11 taken 201 times. ✓ Branch 40 → 41 taken 536 times.	737	for (const Mark &mark : std::as_const(m_marks))
120	3/5 ✓ Branch 26 → 27 taken 201 times. ✓ Branch 30 → 31 taken 603 times. ✓ Branch 30 → 32 taken 201 times. ✗ Branch 55 → 56 not taken. ✗ Branch 55 → 57 not taken.	1407	drawnList.append(QVariantMap{{QStringLiteral("x"), mark.x}, {QStringLiteral("y"), mark.y}, {QStringLiteral("width"), mark.width}});
121	3/3 ✓ Branch 41 → 42 taken 536 times. ✓ Branch 42 → 43 taken 57 times. ✓ Branch 42 → 45 taken 479 times.	536	if (drawnList != m_drawnList) {
122		57	m_drawnList = drawnList;
123	1/1 ✓ Branch 44 → 45 taken 57 times.	57	emit drawnChanged();
124			}
125	1/1 ✓ Branch 46 → 47 taken 536 times.	536	update();
126		1340	}
127
128		365	void TextMarksItem::paint(QPainter *painter) {
129			// A wave of 4 px per period, 1.5 px high: the usual spelling mark.
130		365	constexpr qreal period = 4.0;
131		365	constexpr qreal amplitude = 1.5;
132	2/2 ✓ Branch 25 → 5 taken 178 times. ✓ Branch 25 → 26 taken 365 times.	543	for (const Mark &mark : std::as_const(m_marks)) {
133	1/1 ✓ Branch 7 → 8 taken 178 times.	178	QPainterPath path(QPointF(mark.x, mark.y));
134	2/2 ✓ Branch 15 → 9 taken 3188 times. ✓ Branch 15 → 16 taken 178 times.	3366	for (qreal x = 0; x < mark.width; x += period / 2) {
135		3188	const qreal next = std::min(mark.width, x + period / 2);
136		3188	const bool up = int(x / (period / 2)) % 2 == 0;
137	3/3 ✓ Branch 10 → 11 taken 1641 times. ✓ Branch 10 → 12 taken 1547 times. ✓ Branch 13 → 14 taken 3188 times.	3188	path.lineTo(mark.x + next, mark.y + (up ? -amplitude : 0));
138			}
139	3/3 ✓ Branch 16 → 17 taken 178 times. ✓ Branch 17 → 18 taken 178 times. ✓ Branch 18 → 19 taken 178 times.	178	painter->setPen(QPen(mark.color, 1.0));
140	1/1 ✓ Branch 21 → 22 taken 178 times.	178	painter->drawPath(path);
141		178	}
142		365	}
143