forked from osmocom/wireshark
Qt: Fix packet bytes hover rectangle position
For Qt 5.11 and newer use horizontalAdvance() instead of boundingRect().width() to calculate the width of a QString to position the hover rectangle position, and to select which byte(s) to highlight. Closes #17033.
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@ -349,6 +349,15 @@ void ByteViewText::updateLayoutMetrics()
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line_height_ = fontMetrics().height();
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}
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int ByteViewText::stringWidth(const QString &line)
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{
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#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
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return fontMetrics().horizontalAdvance(line);
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#else
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return fontMetrics().boundingRect(line).width();
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#endif
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}
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// Draw a line of byte view text for a given offset.
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// Text highlighting is handled using QTextLayout::FormatRange.
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void ByteViewText::drawLine(QPainter *painter, const int offset, const int row_y)
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@ -374,7 +383,7 @@ void ByteViewText::drawLine(QPainter *painter, const int offset, const int row_y
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if (show_offset_) {
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line = QString(" %1 ").arg(offset, offsetChars(false), 16, QChar('0'));
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if (build_x_pos) {
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x_pos_to_column_.fill(-1, fontMetrics().boundingRect(line).width());
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x_pos_to_column_.fill(-1, stringWidth(line));
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}
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}
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@ -409,19 +418,19 @@ void ByteViewText::drawLine(QPainter *painter, const int offset, const int row_y
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break;
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}
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if (build_x_pos) {
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x_pos_to_column_ += QVector<int>().fill(tvb_pos - offset, fontMetrics().boundingRect(line).width() - x_pos_to_column_.size() + slop);
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x_pos_to_column_ += QVector<int>().fill(tvb_pos - offset, stringWidth(line) - x_pos_to_column_.size() + slop);
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}
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if (tvb_pos == hovered_byte_offset_ || tvb_pos == marked_byte_offset_) {
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int ho_len = recent.gui_bytes_view == BYTES_HEX ? 2 : 8;
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QRect ho_rect = painter->boundingRect(QRect(), Qt::AlignHCenter|Qt::AlignVCenter, line.right(ho_len));
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ho_rect.moveRight(fontMetrics().boundingRect(line).width());
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ho_rect.moveRight(stringWidth(line));
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ho_rect.moveTop(row_y);
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hover_outlines_.append(ho_rect);
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}
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}
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line += QString(ascii_start - line.length(), ' ');
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if (build_x_pos) {
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x_pos_to_column_ += QVector<int>().fill(-1, fontMetrics().boundingRect(line).width() - x_pos_to_column_.size());
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x_pos_to_column_ += QVector<int>().fill(-1, stringWidth(line) - x_pos_to_column_.size());
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}
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addHexFormatRange(fmt_list, proto_start_, proto_len_, offset, max_tvb_pos, ModeProtocol);
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@ -470,11 +479,11 @@ void ByteViewText::drawLine(QPainter *painter, const int offset, const int row_y
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}
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}
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if (build_x_pos) {
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x_pos_to_column_ += QVector<int>().fill(tvb_pos - offset, fontMetrics().boundingRect(line).width() - x_pos_to_column_.size());
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x_pos_to_column_ += QVector<int>().fill(tvb_pos - offset, stringWidth(line) - x_pos_to_column_.size());
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}
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if (tvb_pos == hovered_byte_offset_ || tvb_pos == marked_byte_offset_) {
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QRect ho_rect = painter->boundingRect(QRect(), 0, line.right(1));
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ho_rect.moveRight(fontMetrics().boundingRect(line).width());
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ho_rect.moveRight(stringWidth(line));
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ho_rect.moveTop(row_y);
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hover_outlines_.append(ho_rect);
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}
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@ -78,6 +78,7 @@ private:
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const QByteArray data_;
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void updateLayoutMetrics();
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int stringWidth(const QString &line);
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void drawLine(QPainter *painter, const int offset, const int row_y);
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bool addFormatRange(QList<QTextLayout::FormatRange> &fmt_list, int start, int length, HighlightMode mode);
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bool addHexFormatRange(QList<QTextLayout::FormatRange> &fmt_list, int mark_start, int mark_length, int tvb_offset, int max_tvb_pos, HighlightMode mode);
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