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Issue #184: Text offset

This commit is contained in:
Jakub Melka 2024-07-03 13:59:12 +02:00
parent 9a7e94a64c
commit d9abc64ede
1 changed files with 12 additions and 8 deletions
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20
Pdf4QtLibWidgets/sources/pdftexteditpseudowidget.cpp
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@ -566,11 +566,12 @@ QTransform PDFTextEditPseudowidget::createTextBoxTransformMatrix(bool edit) cons
matrix.translate(m_widgetRect.left(), m_widgetRect.bottom());
matrix.scale(1.0, -1.0);
const qreal textBoxHeight = m_widgetRect.height();
if (edit && !isComb() && m_textLayout.isValidCursorPosition(m_positionCursor))
{
// Jakub Melka: we must scroll the control, so cursor is always
// visible in the widget area. If we are not editing, this not the
// case, because we always show the text from the beginning.
// Jakub Melka: We must scroll the control so the cursor is always
// visible in the widget area. If we are not editing, this is not the
// case because we always show the text from the beginning.
const QTextLine line = m_textLayout.lineForTextPosition(m_positionCursor);
if (line.isValid())
@ -586,28 +587,31 @@ QTransform PDFTextEditPseudowidget::createTextBoxTransformMatrix(bool edit) cons
const qreal lineSpacing = line.leadingIncluded() ? line.height() : line.leading() + line.height();
const qreal lineBottom = lineSpacing * (line.lineNumber() + 1);
if (lineBottom >= m_widgetRect.height())
if (lineBottom > textBoxHeight)
{
const qreal delta = lineBottom - m_widgetRect.height();
const qreal delta = lineBottom - textBoxHeight;
matrix.translate(0.0, -delta);
}
}
}
if (!isMultiline() && !isComb())
else if (!isMultiline() && !isComb())
{
// If text is single line, then adjust text position to the vertical center
QTextLine textLine = m_textLayout.lineAt(0);
if (textLine.isValid())
{
const qreal lineSpacing = textLine.leadingIncluded() ? textLine.height() : textLine.leading() + textLine.height();
const qreal textBoxHeight = m_widgetRect.height();
if (lineSpacing < textBoxHeight)
{
const qreal delta = (textBoxHeight - lineSpacing) * 0.5;
matrix.translate(0.0, delta);
}
else if (lineSpacing > textBoxHeight)
{
const qreal delta = lineSpacing - textBoxHeight;
matrix.translate(0.0, -delta);
}
}
}