Invalidate best size of wxOSX wxChoice after its number of items changes.

This fixes the calculation of the initial best size as previously the default
value was not updated even if longer strings were added later.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72847 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/osx/choice.h b/include/wx/osx/choice.h
index 3e8898373c63d40c2b7273d9fb2e2237615a9179..720b9c509d543473695d9aaae2f136a9951e0439 100644 (file)
--- a/include/wx/osx/choice.h
+++ b/include/wx/osx/choice.h
@@ -93,6 +93,10 @@ protected:
     wxArrayString m_strings;
     wxChoiceDataArray m_datas ;
     wxMenu*    m_popUpMenu ;
+
+private:
+    // This should be called when the number of items in the control changes.
+    void DoAfterItemCountChange();
 };
 
 #endif

diff --git a/src/osx/choice_osx.cpp b/src/osx/choice_osx.cpp
index e610b8c86fff6888b364375dbfe10339d198d96c..d26812a571b6efe11f320d7ea6209915f16396bd 100644 (file)
--- a/src/osx/choice_osx.cpp
+++ b/src/osx/choice_osx.cpp
@@ -100,6 +100,13 @@ bool wxChoice::Create(wxWindow *parent,
 // adding/deleting items to/from the list
 // ----------------------------------------------------------------------------
 
+void wxChoice::DoAfterItemCountChange()
+{
+    InvalidateBestSize();
+
+    GetPeer()->SetMaximum( GetCount() );
+}
+
 int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items,
                             unsigned int pos,
                             void **clientData, wxClientDataType type)
@@ -132,7 +139,7 @@ int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items,
         AssignNewItemClientData(idx, clientData, i, type);
     }
 
-    GetPeer()->SetMaximum( GetCount() );
+    DoAfterItemCountChange();
 
     return pos - 1;
 }
@@ -148,8 +155,8 @@ void wxChoice::DoDeleteOneItem(unsigned int n)
 
     m_strings.RemoveAt( n ) ;
     m_datas.RemoveAt( n ) ;
-    GetPeer()->SetMaximum( GetCount() ) ;
 
+    DoAfterItemCountChange();
 }
 
 void wxChoice::DoClear()
@@ -162,7 +169,7 @@ void wxChoice::DoClear()
     m_strings.Empty() ;
     m_datas.Empty() ;
 
-    GetPeer()->SetMaximum( 0 ) ;
+    DoAfterItemCountChange();
 }
 
 // ----------------------------------------------------------------------------