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

[Caolán McNamara (via logerrit)]

 include/svtools/valueset.hxx        |    1 +
 svtools/source/control/valueset.cxx |   18 ++++++++++++++----
 2 files changed, 15 insertions(+), 4 deletions(-)

New commits:
commit 5cce65171b12cd652d6a9857a9c0bad1c608a65c
Author:     Caolán McNamara <caolanm at redhat.com>
AuthorDate: Sun Jun 14 19:54:20 2020 +0100
Commit:     Caolán McNamara <caolanm at redhat.com>
CommitDate: Sun Jun 14 21:55:24 2020 +0200

    Related: tdf#132966 scrollbar not tracking valueset cursor position
    
    Change-Id: I408d872f89da67cd91f0282c1624fd33ddc6c538
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/96298
    Tested-by: Jenkins
    Reviewed-by: Caolán McNamara <caolanm at redhat.com>

diff --git a/include/svtools/valueset.hxx b/include/svtools/valueset.hxx
index 29a17f530483..6c6055d0d982 100644
--- a/include/svtools/valueset.hxx
+++ b/include/svtools/valueset.hxx
@@ -254,6 +254,7 @@ private:
     SVT_DLLPRIVATE bool         ImplHasAccessibleListeners();
     SVT_DLLPRIVATE void         ImplTracking(const Point& rPos);
     SVT_DLLPRIVATE void         QueueReformat();
+    SVT_DLLPRIVATE void         SetFirstLine(sal_uInt16 nNewFirstLine); // set mnFirstLine and update scrollbar to match
     SVT_DLLPRIVATE void         RecalcScrollBar();
     DECL_DLLPRIVATE_LINK(ImplScrollHdl, weld::ScrolledWindow&, void);
 
diff --git a/svtools/source/control/valueset.cxx b/svtools/source/control/valueset.cxx
index d2d0acff4537..24ec4eaf7d53 100644
--- a/svtools/source/control/valueset.cxx
+++ b/svtools/source/control/valueset.cxx
@@ -696,6 +696,16 @@ void ValueSet::RecalculateItemSizes()
     }
 }
 
+void ValueSet::SetFirstLine(sal_uInt16 nNewFirstLine)
+{
+    if (nNewFirstLine != mnFirstLine)
+    {
+        mnFirstLine = nNewFirstLine;
+        if (mxScrolledWindow)
+            mxScrolledWindow->vadjustment_set_value(mnFirstLine);
+    }
+}
+
 void ValueSet::SelectItem( sal_uInt16 nItemId )
 {
     size_t nItemPos = 0;
@@ -731,12 +741,12 @@ void ValueSet::SelectItem( sal_uInt16 nItemId )
         sal_uInt16 nNewLine = static_cast<sal_uInt16>(nItemPos / mnCols);
         if ( nNewLine < mnFirstLine )
         {
-            mnFirstLine = nNewLine;
+            SetFirstLine(nNewLine);
             bNewLine = true;
         }
         else if ( nNewLine > o3tl::make_unsigned(mnFirstLine+mnVisLines-1) )
         {
-            mnFirstLine = static_cast<sal_uInt16>(nNewLine-mnVisLines+1);
+            SetFirstLine(static_cast<sal_uInt16>(nNewLine-mnVisLines+1));
             bNewLine = true;
         }
     }
@@ -924,12 +934,12 @@ void ValueSet::Format(vcl::RenderContext const & rRenderContext)
 
     if (mnLines <= mnVisLines)
     {
-        mnFirstLine = 0;
+        SetFirstLine(0);
     }
     else
     {
         if (mnFirstLine > o3tl::make_unsigned(mnLines - mnVisLines))
-            mnFirstLine = static_cast<sal_uInt16>(mnLines - mnVisLines);
+            SetFirstLine(static_cast<sal_uInt16>(mnLines - mnVisLines));
     }
 
     // calculate item size