[Libreoffice-commits] core.git: accessibility/source include/vcl vcl/source

[Tamás Zolnai]

 accessibility/source/standard/vclxaccessibleedit.cxx |   15 ++++++++++++++
 include/vcl/texteng.hxx                              |    2 +
 vcl/source/edit/texteng.cxx                          |   20 +++++++++++++++++++
 3 files changed, 37 insertions(+)

New commits:
commit 8d52045853cecb716138d51b8b6ad0272a86af86
Author: Tamás Zolnai <tamas.zolnai at collabora.com>
Date:   Sat Dec 10 11:23:38 2016 +0000

    tdf#93430: Return the right offsets for runs
    
    MultiLineEdit is a special control which can have
    more text portions with different text attributes.
    
    Change-Id: Iab51dba0d0344fad4358f4961c968c031b1660b6
    Reviewed-on: https://gerrit.libreoffice.org/31813
    Tested-by: Jenkins <ci at libreoffice.org>
    Reviewed-by: Tamás Zolnai <tamas.zolnai at collabora.com>

diff --git a/accessibility/source/standard/vclxaccessibleedit.cxx b/accessibility/source/standard/vclxaccessibleedit.cxx
index cdba0b2..f976320 100644
--- a/accessibility/source/standard/vclxaccessibleedit.cxx
+++ b/accessibility/source/standard/vclxaccessibleedit.cxx
@@ -30,6 +30,7 @@
 #include <com/sun/star/accessibility/AccessibleEventId.hpp>
 #include <com/sun/star/accessibility/AccessibleRole.hpp>
 #include <com/sun/star/datatransfer/clipboard/XClipboard.hpp>
+#include <com/sun/star/accessibility/AccessibleTextType.hpp>
 #include <cppuhelper/typeprovider.hxx>
 #include <comphelper/sequence.hxx>
 #include <comphelper/string.hxx>
@@ -475,6 +476,20 @@ css::accessibility::TextSegment VCLXAccessibleEdit::getTextAtIndex( sal_Int32 nI
 {
     OExternalLockGuard aGuard( this );
 
+    // Override general text component behavior: MultiLineEdit can have more text portions
+    if ( aTextType == AccessibleTextType::ATTRIBUTE_RUN )
+    {
+        VclPtr<VclMultiLineEdit> pMulitLineEdit = GetAsDynamic< VclMultiLineEdit >();
+        if ( pMulitLineEdit )
+        {
+            ExtTextEngine* pTextEngine = pMulitLineEdit->GetTextEngine();
+            TextPaM aCursor( 0, nIndex );
+            TextSegment aResult;
+            pTextEngine->GetTextPortionRange( aCursor, aResult.SegmentStart, aResult.SegmentEnd );
+            return aResult;
+        }
+    }
+
     return VCLXAccessibleTextComponent::getTextAtIndex( nIndex, aTextType );
 }
 
diff --git a/include/vcl/texteng.hxx b/include/vcl/texteng.hxx
index 4746a7b..43fb1e2 100644
--- a/include/vcl/texteng.hxx
+++ b/include/vcl/texteng.hxx
@@ -257,6 +257,8 @@ public:
     sal_Int32           GetTextLen( sal_uInt32 nParagraph ) const;
     long                GetTextHeight( sal_uInt32 nParagraph ) const;
 
+    void                GetTextPortionRange(const TextPaM& rPaM, sal_Int32& nStart, sal_Int32& nEnd);
+
     sal_uInt16          GetLineCount( sal_uInt32 nParagraph ) const;
     sal_Int32           GetLineLen( sal_uInt32 nParagraph, sal_uInt16 nLine ) const;
 
diff --git a/vcl/source/edit/texteng.cxx b/vcl/source/edit/texteng.cxx
index a631eff..f1f8992 100644
--- a/vcl/source/edit/texteng.cxx
+++ b/vcl/source/edit/texteng.cxx
@@ -1211,6 +1211,26 @@ long TextEngine::CalcTextWidth( sal_uInt32 nPara, sal_Int32 nPortionStart, sal_I
     return nWidth;
 }
 
+void TextEngine::GetTextPortionRange(const TextPaM& rPaM, sal_Int32& nStart, sal_Int32& nEnd)
+{
+    nStart = 0;
+    nEnd = 0;
+    TEParaPortion* pParaPortion = mpTEParaPortions->GetObject( rPaM.GetPara() );
+    for ( size_t i = 0; i < pParaPortion->GetTextPortions().size(); ++i )
+    {
+        TETextPortion* pTextPortion = pParaPortion->GetTextPortions()[ i ];
+        if (nStart + pTextPortion->GetLen() > rPaM.GetIndex())
+        {
+            nEnd = nStart + pTextPortion->GetLen();
+            return;
+        }
+        else
+        {
+            nStart += pTextPortion->GetLen();
+        }
+    }
+}
+
 sal_uInt16 TextEngine::GetLineCount( sal_uInt32 nParagraph ) const
 {
     SAL_WARN_IF( nParagraph >= mpTEParaPortions->Count(), "vcl", "GetLineCount: Out of range" );