tdf#122800 Chart view: Textbreak of X axis labels

Do not break the word into individual letters below
each other in the X axis labels. Keep the default
45 degree (even if the textbreak is true) rotation
if there is no enough space for a single word between
two tickmark.

Change-Id: I6f11e55b7ee8373210c1c417e64d552a6cd89812
Reviewed-on: https://gerrit.libreoffice.org/66580
Tested-by: Jenkins
Reviewed-by: László Németh <nemeth@numbertext.org>

chart2/source/view/axes/VCartesianAxis.cxx

@@ -835,14 +835,17 @@ bool VCartesianAxis::createTextShapes(
 
         recordMaximumTextSize( pTickInfo->xTextShape, rAxisLabelProperties.fRotationAngleDegree );
 
+        // Label has multiple lines and the words are broken
         if( nLimitedSpaceForText>0 && !rAxisLabelProperties.bOverlapAllowed
                 && rAxisLabelProperties.fRotationAngleDegree == 0.0
-                && m_aAxisProperties.m_bComplexCategories
                 && lcl_hasWordBreak( pTickInfo->xTextShape ) )
         {
             // Label has multiple lines and belongs to a complex category
             // axis. Rotate 90 degrees to try to avoid overlaps.
-            rAxisLabelProperties.fRotationAngleDegree = 90;
+            if ( m_aAxisProperties.m_bComplexCategories )
+            {
+                rAxisLabelProperties.fRotationAngleDegree = 90;
+            }
             rAxisLabelProperties.bLineBreakAllowed = false;
             m_aAxisLabelProperties.fRotationAngleDegree = rAxisLabelProperties.fRotationAngleDegree;
             removeTextShapesFromTicks();

sw/qa/extras/layout/layout.cxx

@@ -41,6 +41,7 @@ public:
     void testTdf116830();
     void testTdf114163();
     void testTdf108021();
+    void testTdf122800();
     void testTdf116925();
     void testTdf117028();
     void testTdf106390();
@@ -79,6 +80,7 @@ public:
     CPPUNIT_TEST(testTdf116830);
     CPPUNIT_TEST(testTdf114163);
     CPPUNIT_TEST(testTdf108021);
+    CPPUNIT_TEST(testTdf122800);
     CPPUNIT_TEST(testTdf116925);
     CPPUNIT_TEST(testTdf117028);
     CPPUNIT_TEST(testTdf106390);
@@ -2394,6 +2396,24 @@ void SwLayoutWriter::testTdf108021()
     // This failed, if the textarray length of the first axis label not 17.
 }
 
+void SwLayoutWriter::testTdf122800()
+{
+    SwDoc* pDoc = createDoc("tdf122800.odt");
+    SwDocShell* pShell = pDoc->GetDocShell();
+
+    // Dump the rendering of the first page as an XML file.
+    std::shared_ptr<GDIMetaFile> xMetaFile = pShell->GetPreviewMetaFile();
+    MetafileXmlDump dumper;
+    xmlDocPtr pXmlDoc = dumpAndParse(dumper, *xMetaFile);
+    CPPUNIT_ASSERT(pXmlDoc);
+
+    assertXPath(
+        pXmlDoc,
+        "/metafile/push[1]/push[1]/push[1]/push[3]/push[1]/push[1]/push[1]/textarray[@length='22']",
+        9);
+    // This failed, if the textarray length of the first axis label not 22.
+}
+
 void SwLayoutWriter::testTdf116925()
 {
     SwDoc* pDoc = createDoc("tdf116925.docx");