diff options
Diffstat (limited to 'sw/source/core/text/frmform.cxx')
-rw-r--r-- | sw/source/core/text/frmform.cxx | 101 |
1 files changed, 88 insertions, 13 deletions
diff --git a/sw/source/core/text/frmform.cxx b/sw/source/core/text/frmform.cxx index e19b834a56..97eff3e607 100644 --- a/sw/source/core/text/frmform.cxx +++ b/sw/source/core/text/frmform.cxx @@ -1081,6 +1081,54 @@ void SwTextFrame::ChangeOffset( SwTextFrame* pFrame, TextFrameIndex nNew ) MoveFlyInCnt( pFrame, nNew, TextFrameIndex(COMPLETE_STRING) ); } +static bool isFirstVisibleFrameInBody(const SwTextFrame* pFrame) +{ + const SwFrame* pBodyFrame = pFrame->FindBodyFrame(); + if (!pBodyFrame) + return false; + for (const SwFrame* pCur = pFrame;;) + { + for (const SwFrame* pPrev = pCur->GetPrev(); pPrev; pPrev = pPrev->GetPrev()) + if (!pPrev->IsHiddenNow()) + return false; + pCur = pCur->GetUpper(); + assert(pCur); // We found pBodyFrame, right? + if (pCur->IsBodyFrame()) + return true; + } +} + +static bool hasFly(const SwTextFrame* pFrame) +{ + if (auto pDrawObjs = pFrame->GetDrawObjs(); pDrawObjs && pDrawObjs->size()) + { + auto anchorId = (*pDrawObjs)[0]->GetFrameFormat()->GetAnchor().GetAnchorId(); + if (anchorId == RndStdIds::FLY_AT_PARA || anchorId == RndStdIds::FLY_AT_CHAR) + return true; + } + return false; +} + +static bool hasAtPageFly(const SwFrame* pFrame) +{ + auto pPageFrame = pFrame->FindPageFrame(); + if (!pPageFrame) + return false; + auto pPageDrawObjs = pPageFrame->GetDrawObjs(); + if (pPageDrawObjs) + { + for (const auto pObject : *pPageDrawObjs) + if (pObject->GetFrameFormat()->GetAnchor().GetAnchorId() == RndStdIds::FLY_AT_PAGE) + return true; + } + return false; +} + +static bool isReallyEmptyMaster(const SwTextFrame* pFrame) +{ + return pFrame->IsEmptyMaster() && (!pFrame->GetDrawObjs() || !pFrame->GetDrawObjs()->size()); +} + void SwTextFrame::FormatAdjust( SwTextFormatter &rLine, WidowsAndOrphans &rFrameBreak, TextFrameIndex const nStrLen, @@ -1108,27 +1156,55 @@ void SwTextFrame::FormatAdjust( SwTextFormatter &rLine, ? 1 : 0; SwTextFormatInfo& rInf = rLine.GetInfo(); + bool bEmptyWithSplitFly = false; if (nNew == 0 && !nStrLen && !rInf.GetTextFly().IsOn() && IsEmptyWithSplitFly()) { // Empty paragraph, so IsBreakNow() is not called, but we should split the fly portion and // the paragraph marker. nNew = 1; + bEmptyWithSplitFly = true; } + const SwFrame *pBodyFrame = FindBodyFrame(); + // i#84870 // no split of text frame, which only contains an as-character anchored object - bool bOnlyContainsAsCharAnchoredObj = + bool bLoneAsCharAnchoredObj = + pBodyFrame && !IsFollow() && nStrLen == TextFrameIndex(1) && GetDrawObjs() && GetDrawObjs()->size() == 1 && (*GetDrawObjs())[0]->GetFrameFormat()->GetAnchor().GetAnchorId() == RndStdIds::FLY_AS_CHAR; - // Still try split text frame if we have columns. - if (FindColFrame()) - bOnlyContainsAsCharAnchoredObj = false; - - if ( nNew && bOnlyContainsAsCharAnchoredObj ) + if (bLoneAsCharAnchoredObj) { - nNew = 0; + // Still try split text frame if we have columns. + if (FindColFrame()) + bLoneAsCharAnchoredObj = false; + // tdf#160526: only no split if there is no preceding frames on same page + else if (!isFirstVisibleFrameInBody(this)) + bLoneAsCharAnchoredObj = false; + else + nNew = 0; + } + else if (nNew) + { + if (IsFollow()) + { + // tdf#160549: do not split the frame at the very beginning again, if its master was empty + auto precede = static_cast<SwTextFrame*>(GetPrecede()); + assert(precede); + auto precedeText = precede->DynCastTextFrame(); + assert(precedeText); + if (isReallyEmptyMaster(precedeText)) + nNew = 0; + } + else if (!bEmptyWithSplitFly) + { + // Do not split immediately in the beginning of page (unless there is an at-para or + // at-char or at-page fly, which pushes the rest down) + if (isFirstVisibleFrameInBody(this) && !hasFly(this) && !hasAtPageFly(pBodyFrame)) + nNew = 0; + } } if ( nNew ) @@ -1136,8 +1212,6 @@ void SwTextFrame::FormatAdjust( SwTextFormatter &rLine, SplitFrame( nEnd ); } - const SwFrame *pBodyFrame = FindBodyFrame(); - const tools::Long nBodyHeight = pBodyFrame ? ( IsVertical() ? pBodyFrame->getFrameArea().Width() : pBodyFrame->getFrameArea().Height() ) : 0; @@ -1239,9 +1313,10 @@ void SwTextFrame::FormatAdjust( SwTextFormatter &rLine, // content or contains no content, but has a numbering. // i#84870 - No split, if text frame only contains one // as-character anchored object. - if ( !bOnlyContainsAsCharAnchoredObj && - (nStrLen > TextFrameIndex(0) || - bHasVisibleNumRule ) + if (!bLoneAsCharAnchoredObj + && (bHasVisibleNumRule + || (nStrLen > TextFrameIndex(0) + && (nEnd != rLine.GetStart() || rInf.GetRest()))) ) { SplitFrame( nEnd ); @@ -1265,7 +1340,7 @@ void SwTextFrame::FormatAdjust( SwTextFormatter &rLine, SwTwips nChg = rLine.CalcBottomLine() - nDocPrtTop - nOldHeight; //#i84870# - no shrink of text frame, if it only contains one as-character anchored object. - if ( nChg < 0 && !bDelta && bOnlyContainsAsCharAnchoredObj ) + if (nChg < 0 && !bDelta && bLoneAsCharAnchoredObj) { nChg = 0; } |