X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2cef71bc23a9cd0ec543e451848fb9e88ace36e9..b9efe021b554fa3967d1442cf758435c5cd5ae8f:/src/msw/listbox.cpp

diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp
index 5f27c25a6e..ffe24da141 100644
--- a/src/msw/listbox.cpp
+++ b/src/msw/listbox.cpp
@@ -174,6 +174,10 @@ bool wxListBox::Create(wxWindow *parent,
         return false;
     }
 
+    // Necessary to prevent scroll problems within a notebook with Windows
+    // effects enabled
+    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+
     // initialize the contents
     for ( int i = 0; i < n; i++ )
     {
@@ -279,12 +283,12 @@ void wxListBox::Delete(int N)
     m_noItems--;
 
     SetHorizontalExtent(wxEmptyString);
+
+    InvalidateBestSize();
 }
 
 int wxListBox::DoAppend(const wxString& item)
 {
-    InvalidateBestSize();
-
     int index = ListBox_AddString(GetHwnd(), item);
     m_noItems++;
 
@@ -300,6 +304,7 @@ int wxListBox::DoAppend(const wxString& item)
 
     SetHorizontalExtent(item);
 
+    InvalidateBestSize();
     return index;
 }
 
@@ -347,6 +352,8 @@ void wxListBox::DoSetItems(const wxArrayString& choices, void** clientData)
         // show the listbox back if we hid it
         ShowWindow(GetHwnd(), SW_SHOW);
     }
+
+    InvalidateBestSize();
 }
 
 int wxListBox::FindString(const wxString& s) const
@@ -366,6 +373,8 @@ void wxListBox::Clear()
 
     m_noItems = 0;
     SetHorizontalExtent();
+
+    InvalidateBestSize();
 }
 
 void wxListBox::Free()
@@ -520,8 +529,6 @@ wxListBox::DoInsertItems(const wxArrayString& items, int pos)
     wxCHECK_RET( pos >= 0 && pos <= m_noItems,
                  wxT("invalid index in wxListBox::InsertItems") );
 
-    InvalidateBestSize();
-
     int nItems = items.GetCount();
     for ( int i = 0; i < nItems; i++ )
     {
@@ -545,6 +552,8 @@ wxListBox::DoInsertItems(const wxArrayString& items, int pos)
     m_noItems += nItems;
 
     SetHorizontalExtent();
+
+    InvalidateBestSize();
 }
 
 void wxListBox::SetString(int N, const wxString& s)
@@ -591,6 +600,8 @@ void wxListBox::SetString(int N, const wxString& s)
     // we may have lost the selection
     if ( wasSelected )
         Select(N);
+
+    InvalidateBestSize();
 }
 
 int wxListBox::GetCount() const
@@ -622,7 +633,7 @@ void wxListBox::SetHorizontalExtent(const wxString& s)
 
         GetTextMetrics(dc, &lpTextMetric);
         SIZE extentXY;
-        ::GetTextExtentPoint(dc, (LPTSTR) (const wxChar *)s, s.Length(), &extentXY);
+        ::GetTextExtentPoint32(dc, (LPTSTR) (const wxChar *)s, s.Length(), &extentXY);
         int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
 
         if (oldFont)
@@ -646,7 +657,7 @@ void wxListBox::SetHorizontalExtent(const wxString& s)
         {
             wxString str = GetString(i);
             SIZE extentXY;
-            ::GetTextExtentPoint(dc, str.c_str(), str.length(), &extentXY);
+            ::GetTextExtentPoint32(dc, str.c_str(), str.length(), &extentXY);
             int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
             if (extentX > largestExtent)
                 largestExtent = extentX;
@@ -691,7 +702,9 @@ wxSize wxListBox::DoGetBestSize() const
     int hListbox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)*
                     wxMin(wxMax(m_noItems, 3), 10);
 
-    return wxSize(wListbox, hListbox);
+    wxSize best(wListbox, hListbox);
+    CacheBestSize(best);
+    return best;
 }
 
 // ----------------------------------------------------------------------------