tdf#124410 re-call SetScrollBarRange when aSymbolSet changes

and do the work that depends on size happen at size-changed
instead of first-draw

Change-Id: Ia2605ba9bb875be9248a009a6f26f01cbbbd4632
Reviewed-on: https://gerrit.libreoffice.org/69928
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/starmath/source/dialog.cxx b/starmath/source/dialog.cxx
index b8fae68c547a..a9b77d1ca40b 100644
--- a/starmath/source/dialog.cxx
+++ b/starmath/source/dialog.cxx
@@ -940,15 +940,19 @@ Point SmShowSymbolSet::OffsetPoint(const Point &rPoint) const
     return Point(rPoint.X() + nXOffset, rPoint.Y() + nYOffset);
 }
 
-void SmShowSymbolSet::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
+void SmShowSymbolSet::Resize()
 {
+    CustomWidgetController::Resize();
     Size aWinSize(GetOutputSizePixel());
     if (aWinSize != m_aOldSize)
     {
-        calccols(rRenderContext);
+        calccols(GetDrawingArea()->get_ref_device());
         m_aOldSize = aWinSize;
     }
+}
 
+void SmShowSymbolSet::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
+{
     Color aBackgroundColor;
     Color aTextColor;
     lclGetSettingColors(aBackgroundColor, aTextColor);
@@ -1088,6 +1092,7 @@ void SmShowSymbolSet::calccols(const vcl::RenderContext& rRenderContext)
 void SmShowSymbolSet::SetSymbolSet(const SymbolPtrVec_t& rSymbolSet)
 {
     aSymbolSet = rSymbolSet;
+    SetScrollBarRange();
     Invalidate();
 }