fdo#86023 - O[U]String needs a 'clear' method

Added clear() method to OString and OUString class, Updated appropriate call-sites.

Change-Id: I0ba97fa6dc7af3e31b605953089a4e8e9c3e61ac
Signed-off-by: Stephan Bergmann <sbergman@redhat.com>

9 files changed, 9 insertions, 9 deletions

diff --git a/vcl/source/control/field.cxx b/vcl/source/control/field.cxx
index 174918035b25..53f0ac9a8eb2 100644
--- a/vcl/source/control/field.cxx
+++ b/vcl/source/control/field.cxx
@@ -1533,7 +1533,7 @@ void MetricFormatter::Reformat()
     }
     else
         SetValue( mnLastValue );
-    maCurUnitText = OUString();
+    maCurUnitText.clear();
 }
 
 sal_Int64 MetricFormatter::GetCorrectedValue( FieldUnit eOutUnit ) const
diff --git a/vcl/source/control/fixed.cxx b/vcl/source/control/fixed.cxx
index a0d3da11eccd..0dc4705428ce 100644
--- a/vcl/source/control/fixed.cxx
+++ b/vcl/source/control/fixed.cxx
@@ -225,7 +225,7 @@ void FixedText::ImplDraw( OutputDevice* pDev, sal_uLong nDrawFlags,
         nTextStyle |= TEXT_DRAW_MONO;
 
     if( bFillLayout )
-        mpControlData->mpLayoutData->m_aDisplayText = OUString();
+        (mpControlData->mpLayoutData->m_aDisplayText).clear();
 
     Rectangle aRect( Rectangle( aPos, rSize ) );
     DrawControlText( *pDev, aRect, aText, nTextStyle,
diff --git a/vcl/source/gdi/impgraph.cxx b/vcl/source/gdi/impgraph.cxx
index 6d9c3ea51525..b41ecd8d4f51 100644
--- a/vcl/source/gdi/impgraph.cxx
+++ b/vcl/source/gdi/impgraph.cxx
@@ -395,7 +395,7 @@ void ImpGraphic::ImplClear()
 
     mbSwapOut = false;
     mnDocFilePos = 0UL;
-    maDocFileURLStr = OUString();
+    maDocFileURLStr.clear();
 
     // cleanup
     ImplClearGraphics( false );
diff --git a/vcl/source/gdi/impimagetree.cxx b/vcl/source/gdi/impimagetree.cxx
index e81bafe54269..d58cc8d0cc6b 100644
--- a/vcl/source/gdi/impimagetree.cxx
+++ b/vcl/source/gdi/impimagetree.cxx
@@ -186,7 +186,7 @@ bool ImplImageTree::doLoadImage(
 }
 
 void ImplImageTree::shutDown() {
-    m_style = OUString();
+    m_style.clear();
         // for safety; empty m_style means "not initialized"
     m_iconCache.clear();
     m_linkHash.clear();
diff --git a/vcl/source/gdi/pdfwriter_impl.cxx b/vcl/source/gdi/pdfwriter_impl.cxx
index 7e49bc2e4779..ad6d04d86603 100644
--- a/vcl/source/gdi/pdfwriter_impl.cxx
+++ b/vcl/source/gdi/pdfwriter_impl.cxx
@@ -730,7 +730,7 @@ void PDFWriterImpl::createWidgetFieldName( sal_Int32 i_nWidgetIndex, const PDFWr
                 // workaround: put the second terminal field as much up in the hierarchy as
                 // necessary to have a non-terminal field as parent (or none at all)
                 // since it->second already is terminal, we just need to use its parent
-                aDomain = OString();
+                aDomain.clear();
                 aPartialName = aFullName.copy( aFullName.lastIndexOf( '.' )+1 );
                 if( nLastTokenIndex > 0 )
                 {
diff --git a/vcl/source/gdi/print.cxx b/vcl/source/gdi/print.cxx
index 9904f375c573..f6dd207f679f 100644
--- a/vcl/source/gdi/print.cxx
+++ b/vcl/source/gdi/print.cxx
@@ -1712,7 +1712,7 @@ bool Printer::EndJob()
 
         mbPrinting      = false;
         mnCurPrintPage  = 0;
-        maJobName = OUString();
+        maJobName.clear();
 
         mbDevOutput = false;
         bRet = mpPrinter->EndJob();
diff --git a/vcl/source/window/builder.cxx b/vcl/source/window/builder.cxx
index 9431819075b7..bac546eda43d 100644
--- a/vcl/source/window/builder.cxx
+++ b/vcl/source/window/builder.cxx
@@ -561,7 +561,7 @@ void VclBuilder::handleTranslations(xmlreader::XmlReader &reader)
         }
 
         if (res == xmlreader::XmlReader::RESULT_END)
-            sID = OString();
+            sID.clear();
 
         if (res == xmlreader::XmlReader::RESULT_DONE)
             break;
diff --git a/vcl/source/window/menuitemlist.cxx b/vcl/source/window/menuitemlist.cxx
index 4fb7526982d8..d6b680adf6dd 100644
--- a/vcl/source/window/menuitemlist.cxx
+++ b/vcl/source/window/menuitemlist.cxx
@@ -115,7 +115,7 @@ void MenuItemList::InsertSeparator(const OString &rIdent, size_t nPos)
     aSalMIData.eType = MenuItemType::SEPARATOR;
     aSalMIData.nBits = MenuItemBits::NONE;
     aSalMIData.pMenu = NULL;
-    aSalMIData.aText = OUString();
+    aSalMIData.aText.clear();
     aSalMIData.aImage = Image();
 
     // Native-support: returns NULL if not supported
diff --git a/vcl/source/window/winproc.cxx b/vcl/source/window/winproc.cxx
index 6934ed233703..ce5bc24cb900 100644
--- a/vcl/source/window/winproc.cxx
+++ b/vcl/source/window/winproc.cxx
@@ -2184,7 +2184,7 @@ static void ImplHandleSurroundingTextRequest( vcl::Window *pWindow,
 
     if ( !pChild )
     {
-    rText = OUString();
+    rText.clear();
     rSelRange.setMin( 0 );
     rSelRange.setMax( 0 );
     }