Create a text measuring context until a real context is assigned, this allows things...

[wxWidgets.git] / src / msw / listbox.cpp

diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp
index 84634d3088dc02fce0ceaead97dbddc56e897d02..015b6946f4b121834f42e40cf918dd583240fd16 100644 (file)
--- a/src/msw/listbox.cpp
+++ b/src/msw/listbox.cpp
@@ -77,6 +77,7 @@ wxBEGIN_FLAGS( wxListBoxStyle )
     wxFLAGS_MEMBER(wxLB_HSCROLL)
     wxFLAGS_MEMBER(wxLB_ALWAYS_SB)
     wxFLAGS_MEMBER(wxLB_NEEDED_SB)
+    wxFLAGS_MEMBER(wxLB_NO_SB)
     wxFLAGS_MEMBER(wxLB_SORT)
 
 wxEND_FLAGS( wxListBoxStyle )
@@ -165,7 +166,7 @@ bool wxListBox::Create(wxWindow *parent,
         return false;
 
     // create the native control
-    if ( !MSWCreateControl(_T("LISTBOX"), wxEmptyString, pos, size) )
+    if ( !MSWCreateControl(wxT("LISTBOX"), wxEmptyString, pos, size) )
     {
         // control creation failed
         return false;
@@ -207,10 +208,6 @@ WXDWORD wxListBox::MSWGetStyle(long style, WXDWORD *exstyle) const
 {
     WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
 
-    // always show the vertical scrollbar if necessary -- otherwise it is
-    // impossible to use the control with the mouse
-    msStyle |= WS_VSCROLL;
-
     // we always want to get the notifications
     msStyle |= LBS_NOTIFY;
 
@@ -219,15 +216,23 @@ WXDWORD wxListBox::MSWGetStyle(long style, WXDWORD *exstyle) const
     msStyle |= LBS_NOINTEGRALHEIGHT;
 
     wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
-                  _T("only one of listbox selection modes can be specified") );
+                  wxT("only one of listbox selection modes can be specified") );
 
     if ( style & wxLB_MULTIPLE )
         msStyle |= LBS_MULTIPLESEL;
     else if ( style & wxLB_EXTENDED )
         msStyle |= LBS_EXTENDEDSEL;
 
-    if ( m_windowStyle & wxLB_ALWAYS_SB )
-        msStyle |= LBS_DISABLENOSCROLL;
+    wxASSERT_MSG( !(style & wxLB_ALWAYS_SB) || !(style & wxLB_NO_SB),
+                  wxT( "Conflicting styles wxLB_ALWAYS_SB and wxLB_NO_SB." ) );
+
+    if ( !(style & wxLB_NO_SB) )
+    {
+        msStyle |= WS_VSCROLL;
+        if ( style & wxLB_ALWAYS_SB )
+            msStyle |= LBS_DISABLENOSCROLL;
+    }
+
     if ( m_windowStyle & wxLB_HSCROLL )
         msStyle |= WS_HSCROLL;
     if ( m_windowStyle & wxLB_SORT )
@@ -249,7 +254,7 @@ WXDWORD wxListBox::MSWGetStyle(long style, WXDWORD *exstyle) const
 void wxListBox::OnInternalIdle()
 {
     wxWindow::OnInternalIdle();
-    
+
     if (m_updateHorizontalExtent)
     {
         SetHorizontalExtent(wxEmptyString);
@@ -357,7 +362,9 @@ void wxListBox::DoSetItemClientData(unsigned int n, void *clientData)
                  wxT("invalid index in wxListBox::SetClientData") );
 
     if ( ListBox_SetItemData(GetHwnd(), n, clientData) == LB_ERR )
+    {
         wxLogDebug(wxT("LB_SETITEMDATA failed"));
+    }
 }
 
 // Return number of selections and an array of selected integers
@@ -370,7 +377,7 @@ int wxListBox::GetSelections(wxArrayInt& aSelections) const
         int countSel = ListBox_GetSelCount(GetHwnd());
         if ( countSel == LB_ERR )
         {
-            wxLogDebug(_T("ListBox_GetSelCount failed"));
+            wxLogDebug(wxT("ListBox_GetSelCount failed"));
         }
         else if ( countSel != 0 )
         {