diff options
Diffstat (limited to 'src/gui/text/qtextlayout.cpp')
| -rw-r--r-- | src/gui/text/qtextlayout.cpp | 79 |
1 files changed, 50 insertions, 29 deletions
diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp index 2c08ed648b..30f07ba69b 100644 --- a/src/gui/text/qtextlayout.cpp +++ b/src/gui/text/qtextlayout.cpp @@ -1,12 +1,11 @@ /**************************************************************************** ** -** Copyright (C) 2021 The Qt Company Ltd. +** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtGui module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:COMM$ -** +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the @@ -15,25 +14,26 @@ ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** -** $QT_END_LICENSE$ -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** +** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -1173,10 +1173,17 @@ void QTextLayout::draw(QPainter *p, const QPointF &pos, const QVector<FormatRang QRectF fullLineRect(tl.rect()); fullLineRect.translate(position); fullLineRect.setRight(QFIXED_MAX); - if (!selectionEndInLine) - region.addRect(clipIfValid(QRectF(lineRect.topRight(), fullLineRect.bottomRight()), clip)); - if (!selectionStartInLine) - region.addRect(clipIfValid(QRectF(fullLineRect.topLeft(), lineRect.bottomLeft()), clip)); + + const bool rightToLeft = d->isRightToLeft(); + + if (!selectionEndInLine) { + region.addRect(clipIfValid(rightToLeft ? QRectF(fullLineRect.topLeft(), lineRect.bottomLeft()) + : QRectF(lineRect.topRight(), fullLineRect.bottomRight()), clip)); + } + if (!selectionStartInLine) { + region.addRect(clipIfValid(rightToLeft ? QRectF(lineRect.topRight(), fullLineRect.bottomRight()) + : QRectF(fullLineRect.topLeft(), lineRect.bottomLeft()), clip)); + } } else if (!selectionEndInLine && isLastLineInBlock &&!(d->option.flags() & QTextOption::ShowLineAndParagraphSeparators)) { @@ -1329,13 +1336,13 @@ void QTextLayout::drawCursor(QPainter *p, const QPointF &pos, int cursorPosition bool rightToLeft = d->isRightToLeft(); if (itm >= 0) { const QScriptItem &si = d->layoutData->items.at(itm); - if (si.ascent > 0) + if (si.ascent >= 0) base = si.ascent; - if (si.descent > 0) + if (si.descent >= 0) descent = si.descent; rightToLeft = si.analysis.bidiLevel % 2; } - qreal y = position.y() + (sl.y + sl.base() - base).toReal(); + qreal y = position.y() + (sl.y + sl.base() + sl.descent - base - descent).toReal(); bool toggleAntialiasing = !(p->renderHints() & QPainter::Antialiasing) && (p->transform().type() > QTransform::TxTranslate); if (toggleAntialiasing) @@ -1343,7 +1350,20 @@ void QTextLayout::drawCursor(QPainter *p, const QPointF &pos, int cursorPosition QPainter::CompositionMode origCompositionMode = p->compositionMode(); if (p->paintEngine()->hasFeature(QPaintEngine::RasterOpModes)) p->setCompositionMode(QPainter::RasterOp_NotDestination); - p->fillRect(QRectF(x, y, qreal(width), (base + descent).toReal()), p->pen().brush()); + const QTransform &deviceTransform = p->deviceTransform(); + const qreal xScale = deviceTransform.m11(); + if (deviceTransform.type() != QTransform::TxScale || std::trunc(xScale) == xScale) { + p->fillRect(QRectF(x, y, qreal(width), (base + descent).toReal()), p->pen().brush()); + } else { + // Ensure consistently rendered cursor width under fractional scaling + const QPen origPen = p->pen(); + QPen pen(origPen.brush(), qRound(width * xScale), Qt::SolidLine, Qt::FlatCap); + pen.setCosmetic(true); + const qreal center = x + qreal(width) / 2; + p->setPen(pen); + p->drawLine(QPointF(center, y), QPointF(center, y + (base + descent).toReal())); + p->setPen(origPen); + } p->setCompositionMode(origCompositionMode); if (toggleAntialiasing) p->setRenderHint(QPainter::Antialiasing, false); @@ -1980,7 +2000,8 @@ void QTextLine::layout_helper(int maxGlyphs) if (lbh.currentPosition >= eng->layoutData->string.length() || isBreakableSpace - || attributes[lbh.currentPosition].lineBreak) { + || attributes[lbh.currentPosition].lineBreak + || lbh.tmpData.textWidth >= QFIXED_MAX) { sb_or_ws = true; break; } else if (attributes[lbh.currentPosition].graphemeBoundary) { |