X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/04ee05f92add0ab92ce08ecb827e3be41336aa06..f4cbd74e8ceca362a3ccedd809dfb7b1470215be:/src/generic/vlbox.cpp

diff --git a/src/generic/vlbox.cpp b/src/generic/vlbox.cpp
index f30f2d9db3..df4a9bbfb0 100644
--- a/src/generic/vlbox.cpp
+++ b/src/generic/vlbox.cpp
@@ -78,8 +78,8 @@ bool wxVListBox::Create(wxWindow *parent,
                         const wxString& name)
 {
 #ifdef __WXMSW__
-	if ((style & wxBORDER_MASK) == wxDEFAULT)
-		style |= wxBORDER_THEME;
+    if ( (style & wxBORDER_MASK) == wxDEFAULT )
+        style |= wxBORDER_THEME;
 #endif
 
     style |= wxWANTS_CHARS | wxFULL_REPAINT_ON_RESIZE;
@@ -110,6 +110,10 @@ wxVListBox::~wxVListBox()
 
 void wxVListBox::SetItemCount(size_t count)
 {
+    // don't leave the current index invalid
+    if ( m_current != wxNOT_FOUND && (size_t)m_current >= count )
+        m_current = count - 1; // also ok when count == 0 as wxNOT_FOUND == -1
+
     if ( m_selStore )
     {
         // tell the selection store that our number of items has changed
@@ -321,6 +325,31 @@ void wxVListBox::RefreshSelected()
     }
 }
 
+wxRect wxVListBox::GetItemRect(size_t n) const
+{
+    wxRect itemrect;
+
+    // check that this item is visible
+    const size_t lineMax = GetVisibleEnd();
+    if ( n >= lineMax )
+        return itemrect;
+    size_t line = GetVisibleBegin();
+    if ( n < line )
+        return itemrect;
+
+    while ( line <= n )
+    {
+        itemrect.y += itemrect.height;
+        itemrect.height = OnGetRowHeight(line);
+
+        line++;
+    }
+
+    itemrect.width = GetClientSize().x;
+
+    return itemrect;
+}
+
 // ----------------------------------------------------------------------------
 // wxVListBox appearance parameters
 // ----------------------------------------------------------------------------