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Fixes rounding errors in block positions.

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Influences the position of the folded-block markers.

Reviewed-by: thorbjorn
This commit is contained in:
Erik Verbruggen
2010-05-31 15:03:38 +02:00
parent effe3e6e23
commit d349cafe2d
1 changed files with 12 additions and 11 deletions
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23
src/plugins/texteditor/basetexteditor.cpp
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@@ -2002,8 +2002,8 @@ QTextBlock BaseTextEditor::collapsedBlockAt(const QPoint &pos, QRect *box) const
{
QPointF offset(contentOffset());
QTextBlock block = firstVisibleBlock();
int top = (int)blockBoundingGeometry(block).translated(offset).top();
int bottom = top + (int)blockBoundingRect(block).height();
qreal top = blockBoundingGeometry(block).translated(offset).top();
qreal bottom = top + blockBoundingRect(block).height();
int viewportHeight = viewport()->height();
@@ -2037,7 +2037,7 @@ QTextBlock BaseTextEditor::collapsedBlockAt(const QPoint &pos, QRect *box) const
block = nextBlock;
top = bottom;
bottom = top + (int)blockBoundingRect(block).height();
bottom = top + blockBoundingRect(block).height();
}
return QTextBlock();
}
@@ -2621,8 +2621,8 @@ void BaseTextEditor::paintEvent(QPaintEvent *e)
offset = contentOffset();
block = firstVisibleBlock();
int top = (int)blockBoundingGeometry(block).translated(offset).top();
int bottom = top + (int)blockBoundingRect(block).height();
qreal top = blockBoundingGeometry(block).translated(offset).top();
qreal bottom = top + blockBoundingRect(block).height();
QTextCursor cursor = textCursor();
bool hasSelection = cursor.hasSelection();
@@ -2653,8 +2653,9 @@ void BaseTextEditor::paintEvent(QPaintEvent *e)
QTextLine line = layout->lineAt(i);
QRectF lineRect = line.naturalTextRect().translated(offset.x(), top);
QChar visualArrow((ushort)0x21b5);
painter.drawText(static_cast<int>(lineRect.right()),
static_cast<int>(lineRect.top() + line.ascent()), visualArrow);
painter.drawText(QPointF(lineRect.right(),
lineRect.top() + line.ascent()),
visualArrow);
}
if (!nextBlock.isValid()) { // paint EOF symbol
QTextLine line = layout->lineAt(lineCount-1);
@@ -2740,7 +2741,7 @@ void BaseTextEditor::paintEvent(QPaintEvent *e)
block = nextVisibleBlock;
top = bottom;
bottom = top + (int)blockBoundingRect(block).height();
bottom = top + blockBoundingRect(block).height();
}
if (visibleCollapsedBlock.isValid() ) {
@@ -2914,7 +2915,6 @@ void BaseTextEditor::extraAreaPaintEvent(QPaintEvent *e)
int selStart = textCursor().selectionStart();
int selEnd = textCursor().selectionEnd();
const QColor baseColor = palette().base().color();
QPalette pal = d->m_extraArea->palette();
pal.setCurrentColorGroup(QPalette::Active);
QPainter painter(d->m_extraArea);
@@ -2940,7 +2940,8 @@ void BaseTextEditor::extraAreaPaintEvent(QPaintEvent *e)
while (block.isValid() && top <= e->rect().bottom()) {
top = bottom;
bottom = top + blockBoundingRect(block).height();
const qreal height = blockBoundingRect(block).height();
bottom = top + height;
QTextBlock nextBlock = block.next();
QTextBlock nextVisibleBlock = nextBlock;
@@ -3087,7 +3088,7 @@ void BaseTextEditor::extraAreaPaintEvent(QPaintEvent *e)
painter.setFont(f);
painter.setPen(d->m_currentLineNumberFormat.foreground().color());
}
painter.drawText(markWidth, top, extraAreaWidth - markWidth - 4, fm.height(), Qt::AlignRight, number);
painter.drawText(QRectF(markWidth, top, extraAreaWidth - markWidth - 4, height), Qt::AlignRight, number);
if (selected)
painter.restore();
}