sw/qa/extras/layout/data/keep-with-next-fly.fodt | 146 +++++++++++++++++++++++
sw/qa/extras/layout/layout.cxx | 52 ++++++++
sw/source/core/layout/flowfrm.cxx | 12 +
3 files changed, 210 insertions(+)
New commits:
commit 58c28725b2b34941ae4f6afa7689c0d0ebde0be7
Author: Michael Stahl <michael.st...@allotropia.de>
AuthorDate: Wed Feb 16 17:32:15 2022 +0100
Commit: Thorsten Behrens <thorsten.behr...@allotropia.de>
CommitDate: Wed Feb 16 22:58:06 2022 +0100
sw: layout: allow keep-with-next paragraph with fly to move back
The problem is that a paragraph that has the fo:keep-with-next="always"
and also a fly anchored at-char or at-para with style:flow-with-text="true"
will never move to the previous page, even with space available.
In SwContentFrame::MakeAll() it will first MoveBwd() and then go into
the special case "if ( bKeep && bMoveable )" which calls Calc() on the
next frame.
But this fails to move the next frame because of
SwFlowFrame::IsPrevObjMove()
finding the fly with a mis-matching mpVertPosOrientFrame - that will not
be fixed until the first SwContentFrame::MakeAll() is done and
SwObjectFormatter::FormatObjsAtFrame() is called.
But SwContentFrame::MakeAll() first detects that the frame is not on
the same page as the next one despite bKeep, so it MoveFwd() again.
This happens already in OOo 3.3.
IsJoinLocked() should be a reasonably good heuristic for "is the
previous frame being formatted".
Change-Id: I86996dcb3d0c46fcb99ec9ad463569abbb8b99f0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/130033
Tested-by: Jenkins
Reviewed-by: Michael Stahl <michael.st...@allotropia.de>
(cherry picked from commit 38e7c18188f1c5310898181db87686774be3c040)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/130014
Reviewed-by: Thorsten Behrens <thorsten.behr...@allotropia.de>
diff --git a/sw/qa/extras/layout/data/keep-with-next-fly.fodt
b/sw/qa/extras/layout/data/keep-with-next-fly.fodt
new file mode 100644
index 000000000000..13d6785f4e1f
--- /dev/null
+++ b/sw/qa/extras/layout/data/keep-with-next-fly.fodt
@@ -0,0 +1,146 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<office:document xmlns:officeooo="http://openoffice.org/2009/office";
xmlns:css3t="http://www.w3.org/TR/css3-text/";
xmlns:grddl="http://www.w3.org/2003/g/data-view#";
xmlns:xhtml="http://www.w3.org/1999/xhtml";
xmlns:formx="urn:openoffice:names:experimental:ooxml-odf-interop:xmlns:form:1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xmlns:xsd="http://www.w3.org/2001/XMLSchema";
xmlns:chart="urn:oasis:names:tc:opendocument:xmlns:chart:1.0"
xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0"
xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0"
xmlns:oooc="http://openoffice.org/2004/calc";
xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0"
xmlns:ooow="http://openoffice.org/2004/writer";
xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0"
xmlns:dc="http://purl.org/dc/elements/1.1/";
xmlns:rpt="http://openoffice.org/2005/report";
xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0"
xmlns:config="urn:oasis:names:tc:opendocument:xmlns
:config:1.0" xmlns:xlink="http://www.w3.org/1999/xlink";
xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0"
xmlns:ooo="http://openoffice.org/2004/office";
xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0"
xmlns:dr3d="urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0"
xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0"
xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0"
xmlns:of="urn:oasis:names:tc:opendocument:xmlns:of:1.2"
xmlns:calcext="urn:org:documentfoundation:names:experimental:calc:xmlns:calcext:1.0"
xmlns:tableooo="http://openoffice.org/2009/table";
xmlns:drawooo="http://openoffice.org/2010/draw";
xmlns:loext="urn:org:documentfoundation:names:experimental:office:xmlns:loext:1.0"
xmlns:dom="http://www.w3.org/2001/xml-events";
xmlns:field="urn:openoffice:names:experimental:ooo-ms-interop:xmlns:field:1.0"
xmlns:math="http://www.w3.org/1998/Math/MathML";
xmlns:form="urn:oasis:names:tc:opendocument:xmlns:form:1.0" xmlns:script="ur
n:oasis:names:tc:opendocument:xmlns:script:1.0"
xmlns:xforms="http://www.w3.org/2002/xforms"; office:version="1.3"
office:mimetype="application/vnd.oasis.opendocument.text">
+
<office:meta><meta:creation-date>2022-02-16T15:01:24.088191425</meta:creation-date><dc:date>2022-02-16T15:16:50.103419678</dc:date><meta:editing-duration>PT15M29S</meta:editing-duration><meta:editing-cycles>1</meta:editing-cycles><meta:document-statistic
meta:table-count="0" meta:image-count="1" meta:object-count="0"
meta:page-count="2" meta:paragraph-count="1" meta:word-count="5"
meta:character-count="26"
meta:non-whitespace-character-count="22"/><meta:generator>LibreOfficeDev/7.4.0.0.alpha0$Linux_X86_64
LibreOffice_project/16748887dd277bd63034e07b5e2a86740235b315</meta:generator></office:meta>
+ <office:font-face-decls>
+ <style:font-face style:name="Liberation Serif" svg:font-family="'Liberation
Serif'" style:font-family-generic="roman" style:font-pitch="variable"/>
+ <style:font-face style:name="Lohit Devanagari1" svg:font-family="'Lohit
Devanagari'" style:font-family-generic="system" style:font-pitch="variable"/>
+ <style:font-face style:name="Source Han Serif CN" svg:font-family="'Source
Han Serif CN'" style:font-family-generic="system" style:font-pitch="variable"/>
+ </office:font-face-decls>
+ <office:styles>
+ <draw:gradient draw:name="gradient" draw:style="linear"
draw:start-color="#000000" draw:end-color="#ffffff" draw:start-intensity="100%"
draw:end-intensity="100%" draw:angle="0deg" draw:border="0%"/>
+ <draw:hatch draw:name="hatch" draw:style="single" draw:color="#3465a4"
draw:distance="0.02cm" draw:rotation="0"/>
+ <style:default-style style:family="graphic">
+ <style:graphic-properties svg:stroke-color="#3465a4"
draw:fill-color="#729fcf" fo:wrap-option="no-wrap" draw:shadow-offset-x="0.3cm"
draw:shadow-offset-y="0.3cm" draw:start-line-spacing-horizontal="0.283cm"
draw:start-line-spacing-vertical="0.283cm"
draw:end-line-spacing-horizontal="0.283cm"
draw:end-line-spacing-vertical="0.283cm" style:flow-with-text="false"/>
+ <style:paragraph-properties style:text-autospace="ideograph-alpha"
style:line-break="strict" style:writing-mode="lr-tb"
style:font-independent-line-spacing="false">
+ <style:tab-stops/>
+ </style:paragraph-properties>
+ <style:text-properties style:use-window-font-color="true"
loext:opacity="0%" loext:color-lum-mod="100%" loext:color-lum-off="0%"
style:font-name="Liberation Serif" fo:font-size="12pt" fo:language="de"
fo:country="DE" style:letter-kerning="true" style:font-name-asian="Source Han
Serif CN" style:font-size-asian="10.5pt" style:language-asian="zh"
style:country-asian="CN" style:font-name-complex="Lohit Devanagari1"
style:font-size-complex="12pt" style:language-complex="hi"
style:country-complex="IN"/>
+ </style:default-style>
+ <style:default-style style:family="paragraph">
+ <style:paragraph-properties fo:orphans="2" fo:widows="2"
fo:hyphenation-ladder-count="no-limit" style:text-autospace="ideograph-alpha"
style:punctuation-wrap="hanging" style:line-break="strict"
style:tab-stop-distance="1.251cm" style:writing-mode="page"/>
+ <style:text-properties style:use-window-font-color="true"
loext:opacity="0%" style:font-name="Liberation Serif" fo:font-size="12pt"
fo:language="de" fo:country="DE" style:letter-kerning="true"
style:font-name-asian="Source Han Serif CN" style:font-size-asian="10.5pt"
style:language-asian="zh" style:country-asian="CN"
style:font-name-complex="Lohit Devanagari1" style:font-size-complex="12pt"
style:language-complex="hi" style:country-complex="IN" fo:hyphenate="false"
fo:hyphenation-remain-char-count="2" fo:hyphenation-push-char-count="2"
loext:hyphenation-no-caps="false"/>
+ </style:default-style>
+ <style:default-style style:family="table">
+ <style:table-properties table:border-model="collapsing"/>
+ </style:default-style>
+ <style:default-style style:family="table-row">
+ <style:table-row-properties fo:keep-together="auto"/>
+ </style:default-style>
+ <style:style style:name="Standard" style:family="paragraph"
style:class="text"/>
+ <style:style style:name="Graphics" style:family="graphic">
+ <style:graphic-properties text:anchor-type="paragraph" svg:x="0cm"
svg:y="0cm" style:wrap="dynamic" style:number-wrapped-paragraphs="no-limit"
style:wrap-contour="false" style:vertical-pos="top"
style:vertical-rel="paragraph" style:horizontal-pos="center"
style:horizontal-rel="paragraph"/>
+ </style:style>
+ <text:outline-style style:name="Outline">
+ <text:outline-level-style text:level="1" style:num-format="">
+ <style:list-level-properties
text:list-level-position-and-space-mode="label-alignment">
+ <style:list-level-label-alignment text:label-followed-by="listtab"/>
+ </style:list-level-properties>
+ </text:outline-level-style>
+ <text:outline-level-style text:level="2" style:num-format="">
+ <style:list-level-properties
text:list-level-position-and-space-mode="label-alignment">
+ <style:list-level-label-alignment text:label-followed-by="listtab"/>
+ </style:list-level-properties>
+ </text:outline-level-style>
+ <text:outline-level-style text:level="3" style:num-format="">
+ <style:list-level-properties
text:list-level-position-and-space-mode="label-alignment">
+ <style:list-level-label-alignment text:label-followed-by="listtab"/>
+ </style:list-level-properties>
+ </text:outline-level-style>
+ <text:outline-level-style text:level="4" style:num-format="">
+ <style:list-level-properties
text:list-level-position-and-space-mode="label-alignment">
+ <style:list-level-label-alignment text:label-followed-by="listtab"/>
+ </style:list-level-properties>
+ </text:outline-level-style>
+ <text:outline-level-style text:level="5" style:num-format="">
+ <style:list-level-properties
text:list-level-position-and-space-mode="label-alignment">
+ <style:list-level-label-alignment text:label-followed-by="listtab"/>
+ </style:list-level-properties>
+ </text:outline-level-style>
+ <text:outline-level-style text:level="6" style:num-format="">
+ <style:list-level-properties
text:list-level-position-and-space-mode="label-alignment">
+ <style:list-level-label-alignment text:label-followed-by="listtab"/>
+ </style:list-level-properties>
+ </text:outline-level-style>
+ <text:outline-level-style text:level="7" style:num-format="">
+ <style:list-level-properties
text:list-level-position-and-space-mode="label-alignment">
+ <style:list-level-label-alignment text:label-followed-by="listtab"/>
+ </style:list-level-properties>
+ </text:outline-level-style>
+ <text:outline-level-style text:level="8" style:num-format="">
+ <style:list-level-properties
text:list-level-position-and-space-mode="label-alignment">
+ <style:list-level-label-alignment text:label-followed-by="listtab"/>
+ </style:list-level-properties>
+ </text:outline-level-style>
+ <text:outline-level-style text:level="9" style:num-format="">
+ <style:list-level-properties
text:list-level-position-and-space-mode="label-alignment">
+ <style:list-level-label-alignment text:label-followed-by="listtab"/>
+ </style:list-level-properties>
+ </text:outline-level-style>
+ <text:outline-level-style text:level="10" style:num-format="">
+ <style:list-level-properties
text:list-level-position-and-space-mode="label-alignment">
+ <style:list-level-label-alignment text:label-followed-by="listtab"/>
+ </style:list-level-properties>
+ </text:outline-level-style>
+ </text:outline-style>
+ <text:notes-configuration text:note-class="footnote" style:num-format="1"
text:start-value="0" text:footnotes-position="page"
text:start-numbering-at="document"/>
+ <text:notes-configuration text:note-class="endnote" style:num-format="i"
text:start-value="0"/>
+ <text:linenumbering-configuration text:number-lines="false"
text:offset="0.499cm" style:num-format="1" text:number-position="left"
text:increment="5"/>
+ </office:styles>
+ <office:automatic-styles>
+ <style:style style:name="P1" style:family="paragraph"
style:parent-style-name="Standard" style:master-page-name="">
+ <loext:graphic-properties draw:fill-gradient-name="gradient"
draw:fill-hatch-name="hatch"/>
+ <style:paragraph-properties style:page-number="auto" fo:break-before="auto"
fo:break-after="auto"/>
+ <style:text-properties/>
+ </style:style>
+ <style:style style:name="P2" style:family="paragraph"
style:parent-style-name="Standard" style:master-page-name="">
+ <loext:graphic-properties draw:fill-gradient-name="gradient"
draw:fill-hatch-name="hatch"/>
+ <style:paragraph-properties style:page-number="auto" fo:break-before="auto"
fo:break-after="auto" fo:keep-with-next="always"/>
+ <style:text-properties/>
+ </style:style>
+ <style:style style:name="fr1" style:family="graphic"
style:parent-style-name="Graphics">
+ <style:graphic-properties style:horizontal-pos="center"
style:horizontal-rel="paragraph" style:mirror="none" fo:clip="rect(0cm, 0cm,
0cm, 0cm)" draw:luminance="0%" draw:contrast="0%" draw:red="0%" draw:green="0%"
draw:blue="0%" draw:gamma="100%" draw:color-inversion="false"
draw:image-opacity="100%" draw:color-mode="standard"
style:flow-with-text="true"/>
+ </style:style>
+ <style:page-layout style:name="pm1">
+ <style:page-layout-properties fo:page-width="10.5cm"
fo:page-height="14.801cm" style:num-format="1"
style:print-orientation="portrait" fo:margin-top="2cm" fo:margin-bottom="2cm"
fo:margin-left="2cm" fo:margin-right="2cm" style:writing-mode="lr-tb"
style:footnote-max-height="0cm" loext:margin-gutter="0cm">
+ <style:footnote-sep style:width="0.018cm"
style:distance-before-sep="0.101cm" style:distance-after-sep="0.101cm"
style:line-style="solid" style:adjustment="left" style:rel-width="25%"
style:color="#000000"/>
+ </style:page-layout-properties>
+ <style:header-style/>
+ <style:footer-style/>
+ </style:page-layout>
+ <number:number-style style:name="N0">
+ <number:number number:min-integer-digits="1"/>
+ </number:number-style>
+ </office:automatic-styles>
+ <office:master-styles>
+ <style:master-page style:name="Standard" style:page-layout-name="pm1"/>
+ </office:master-styles>
+ <office:body>
+ <office:text text:use-soft-page-breaks="true">
+ <text:variable-decls>
+ <text:variable-decl office:value-type="float" text:name="abc"/>
+ </text:variable-decls>
+ <text:sequence-decls>
+ <text:sequence-decl text:display-outline-level="0"
text:name="Illustration"/>
+ <text:sequence-decl text:display-outline-level="0" text:name="Table"/>
+ <text:sequence-decl text:display-outline-level="0" text:name="Text"/>
+ <text:sequence-decl text:display-outline-level="0" text:name="Drawing"/>
+ <text:sequence-decl text:display-outline-level="0" text:name="Figure"/>
+ </text:sequence-decls>
+ <text:p text:style-name="P1"><text:variable-set text:name="abc"
text:formula="ooow:1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890"
office:value-type="float" office:value="INF" style:data-style-name="N0">**
Expression is faulty **</text:variable-set></text:p>
+ <text:p text:style-name="P2"><draw:frame draw:style-name="fr1"
draw:name="Image1" text:anchor-type="char" svg:width="0.503cm"
svg:height="0.503cm" draw:z-index="0"><draw:image draw:mime-type="image/png">
+
<office:binary-data>iVBORw0KGgoAAAANSUhEUgAAABMAAAATCAYAAAByUDbMAAAABGdBTUEAANbY1E9YMgAAABl0
+ RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAAFpSURBVHjaYvz//z8DtQBAADER
+ o+jjZGuibAQIICZiDOK/cgzFwEnrV/4HYXS1AAHERIxBR58yMiAb2DtzM1b1AAHERIxBIIBu
+ IDYAEEBMxBjE0bgdxcBL3vcZLl16jaEPIICYiDFIU9MSw8BeoeUYhgEEEBMxBnFx8WE1EN3L
+ AAHERIxBIECMgQABxAhKtPgM+vbtE9xmGP/69eMMP+o9wWLW0kD9OlYM/LlHGQECiAndoKg/
+ USgGgTTmdS8C0yA+zIUgdeguBAggljtWdQwMVkDXACWMjd0ZXRun/Id5DWTA9C23GSaVxoEN
+ zISoARvoamnBYF2/hPHs2Z3/z0JdDhBADCBvIuPkhsn/QeDr14//QWwQjY0PVYeiFyCA8OaA
+ 3cdPoEQAiI8PAAQQEwMVAUAAsWATBAX0jx9fsWrAJQ4CAAGE1TBQwOMC9+9fwikHEEBYDQPF
+ IAzIe8TglEMHAAHESM2SFiDAADEwCe4BJwcYAAAAAElFTkSuQmCC
+ </office:binary-data>
+ </draw:image>
+ </draw:frame><text:soft-page-break/></text:p>
+ <text:p text:style-name="Standard"/>
+ </office:text>
+ </office:body>
+</office:document>
\ No newline at end of file
diff --git a/sw/qa/extras/layout/layout.cxx b/sw/qa/extras/layout/layout.cxx
index 85a685ff2b44..74b0d1e1aad3 100644
--- a/sw/qa/extras/layout/layout.cxx
+++ b/sw/qa/extras/layout/layout.cxx
@@ -2616,6 +2616,58 @@ CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testTdf112290)
assertXPath(pXml, "/root/page/body/txt/LineBreak[2]", "Line", "Xxxx Xxxx");
}
+CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testKeepWithNextPlusFlyFollowTextFlow)
+{
+ createSwDoc(DATA_DIRECTORY, "keep-with-next-fly.fodt");
+
+ {
+ xmlDocUniquePtr pXmlDoc = parseLayoutDump();
+ // 3 text frames on page 1
+ assertXPath(pXmlDoc, "/root/page[1]/body/infos/bounds", "bottom",
"7540");
+ assertXPath(pXmlDoc, "/root/page[1]/body/txt[1]/infos/bounds",
"height", "276");
+ assertXPath(pXmlDoc, "/root/page[1]/body/txt[2]/infos/bounds",
"height", "276");
+ assertXPath(pXmlDoc, "/root/page[1]/body/txt[2]/anchored/fly", 1);
+ assertXPath(pXmlDoc,
"/root/page[1]/body/txt[2]/anchored/fly/infos/bounds", "top", "1694");
+ assertXPath(pXmlDoc, "/root/page[1]/body/txt[3]/infos/bounds",
"height", "276");
+ assertXPath(pXmlDoc, "/root/page", 1);
+ discardDumpedLayout();
+ }
+
+ dispatchCommand(mxComponent, ".uno:Fieldnames", {});
+ Scheduler::ProcessEventsToIdle();
+
+ {
+ xmlDocUniquePtr pXmlDoc = parseLayoutDump();
+ // 1 text frame on page 1, and some empty space
+ assertXPath(pXmlDoc, "/root/page[1]/body/infos/bounds", "bottom",
"7540");
+ assertXPath(pXmlDoc, "/root/page[1]/body/txt[1]/infos/bounds",
"height", "5796");
+ assertXPath(pXmlDoc, "/root/page[1]/body/txt[1]/infos/bounds",
"bottom", "7213");
+ // 2 text frames on page 2
+ assertXPath(pXmlDoc, "/root/page[2]/body/txt[1]/infos/bounds",
"height", "276");
+ assertXPath(pXmlDoc, "/root/page[2]/body/txt[1]/anchored/fly", 1);
+ assertXPath(pXmlDoc,
"/root/page[2]/body/txt[1]/anchored/fly/infos/bounds", "top", "10093");
+ assertXPath(pXmlDoc, "/root/page[2]/body/txt[2]/infos/bounds",
"height", "276");
+ assertXPath(pXmlDoc, "/root/page", 2);
+ discardDumpedLayout();
+ }
+
+ dispatchCommand(mxComponent, ".uno:Fieldnames", {});
+ Scheduler::ProcessEventsToIdle();
+
+ {
+ xmlDocUniquePtr pXmlDoc = parseLayoutDump();
+ // 3 text frames on page 1
+ assertXPath(pXmlDoc, "/root/page[1]/body/infos/bounds", "bottom",
"7540");
+ assertXPath(pXmlDoc, "/root/page[1]/body/txt[1]/infos/bounds",
"height", "276");
+ assertXPath(pXmlDoc, "/root/page[1]/body/txt[2]/infos/bounds",
"height", "276");
+ assertXPath(pXmlDoc, "/root/page[1]/body/txt[2]/anchored/fly", 1);
+ assertXPath(pXmlDoc,
"/root/page[1]/body/txt[2]/anchored/fly/infos/bounds", "top", "1694");
+ assertXPath(pXmlDoc, "/root/page[1]/body/txt[3]/infos/bounds",
"height", "276");
+ assertXPath(pXmlDoc, "/root/page", 1);
+ discardDumpedLayout();
+ }
+}
+
CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testTdf122607)
{
createSwDoc(DATA_DIRECTORY, "tdf122607.odt");
diff --git a/sw/source/core/layout/flowfrm.cxx
b/sw/source/core/layout/flowfrm.cxx
index 53f3881f1d56..c53512b2763a 100644
--- a/sw/source/core/layout/flowfrm.cxx
+++ b/sw/source/core/layout/flowfrm.cxx
@@ -1139,6 +1139,18 @@ bool SwFlowFrame::IsPrevObjMove() const
OSL_ENSURE( SwFlowFrame::CastFlowFrame( pPre ), "new flowfrm?" );
if( SwFlowFrame::CastFlowFrame( pPre )->IsAnFollow( this ) )
return false;
+ if (SwFlowFrame::CastFlowFrame(pPre)->IsJoinLocked())
+ {
+ SwBorderAttrAccess baa(SwFrame::GetCache(), pPre);
+ SwBorderAttrs const& rAttrs(*baa.Get());
+ if
(SwFlowFrame::CastFlowFrame(pPre)->IsKeep(rAttrs.GetAttrSet().GetKeep(),
pPre->GetBreakItem()))
+ { // pPre is currently being formatted - maybe it moved back but
+ // its objects still have the old page's body as
+ // mpVertPosOrientFrame and SwContentFrame::MakeAll() is
calling
+ // pNxt->Calc() in this case so allow this frame to move back
+ return false; // too, else pPre is forced to move forward
again.
+ }
+ }
SwLayoutFrame* pPreUp = pPre->GetUpper();
// If the upper is a SectionFrame, or a column of a SectionFrame, we're
// allowed to protrude out of it. However, we need to respect the
