From 18db0b49c61790e5a984ca93b9023a547fca8022 Mon Sep 17 00:00:00 2001 From: Allan Sandfeld Jensen Date: Tue, 24 Apr 2018 15:47:15 +0200 Subject: Don't crash on
following a A
has a new-line but no text, so be able to handle no lines. Task-number: QTBUG-60853 Change-Id: I3d4dbd529114bbe8afe760c3622b52446202ec7c Reviewed-by: Eskil Abrahamsen Blomfeldt --- src/gui/text/qtextdocumentlayout.cpp | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'src/gui/text/qtextdocumentlayout.cpp') diff --git a/src/gui/text/qtextdocumentlayout.cpp b/src/gui/text/qtextdocumentlayout.cpp index 9877a23fa6..2957b8d5c0 100644 --- a/src/gui/text/qtextdocumentlayout.cpp +++ b/src/gui/text/qtextdocumentlayout.cpp @@ -2494,7 +2494,7 @@ void QTextDocumentLayoutPrivate::layoutFlow(QTextFrame::Iterator it, QTextLayout QTextTableData *td = static_cast(data(lastIt.currentFrame())); QTextLayout *layout = block.layout(); - QFixed height = QFixed::fromReal(layout->lineAt(0).height()); + QFixed height = layout->lineCount() > 0 ? QFixed::fromReal(layout->lineAt(0).height()) : QFixed(); if (layoutStruct->pageBottom == origPageBottom) { layoutStruct->y -= height; @@ -2506,10 +2506,12 @@ void QTextDocumentLayoutPrivate::layoutFlow(QTextFrame::Iterator it, QTextLayout layoutBlock(block, docPos, blockFormat, layoutStruct, layoutFrom, layoutTo, previousBlockFormatPtr); } - QPointF linePos((td->position.x + td->size.width).toReal(), - (td->position.y + td->size.height - height).toReal()); + if (layout->lineCount() > 0) { + QPointF linePos((td->position.x + td->size.width).toReal(), + (td->position.y + td->size.height - height).toReal()); - layout->lineAt(0).setPosition(linePos - layout->position()); + layout->lineAt(0).setPosition(linePos - layout->position()); + } } if (blockFormat.pageBreakPolicy() & QTextFormat::PageBreak_AlwaysAfter) -- cgit v1.2.3