Fix horizontal mouse wheel scrolling in wxGTK.

[wxWidgets.git] / src / generic / listctrl.cpp

diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp
index 54f7f0dd5740b88a01c0b1c6da27e087e03df017..58a5c733eba0fa3b0ca80ee2fe89e8fbdfcc942b 100644 (file)
--- a/src/generic/listctrl.cpp
+++ b/src/generic/listctrl.cpp
@@ -3,7 +3,6 @@
 // Purpose:     generic implementation of wxListCtrl
 // Author:      Robert Roebling
 //              Vadim Zeitlin (virtual list control support)
-// Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -952,15 +951,17 @@ wxListHeaderWindow::wxListHeaderWindow()
     m_resizeCursor = NULL;
 }
 
-wxListHeaderWindow::wxListHeaderWindow( wxWindow *win,
-                                        wxWindowID id,
-                                        wxListMainWindow *owner,
-                                        const wxPoint& pos,
-                                        const wxSize& size,
-                                        long style,
-                                        const wxString &name )
-                  : wxWindow( win, id, pos, size, style, name )
+bool wxListHeaderWindow::Create( wxWindow *win,
+                                 wxWindowID id,
+                                 wxListMainWindow *owner,
+                                 const wxPoint& pos,
+                                 const wxSize& size,
+                                 long style,
+                                 const wxString &name )
 {
+    if ( !wxWindow::Create(win, id, pos, size, style, name) )
+        return false;
+
     Init();
 
     m_owner = owner;
@@ -978,6 +979,8 @@ wxListHeaderWindow::wxListHeaderWindow( wxWindow *win,
     if (!m_hasFont)
         SetOwnFont( wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT ));
 #endif
+
+    return true;
 }
 
 wxListHeaderWindow::~wxListHeaderWindow()
@@ -4509,7 +4512,13 @@ void wxGenericListCtrl::CreateOrDestroyHeaderWindowAsNeeded()
 
     if (needs_header)
     {
-        m_headerWin = new wxListHeaderWindow
+        // Notice that we must initialize m_headerWin first, and create the
+        // real window only later, so that the test in the beginning of the
+        // function blocks repeated creation of the header as it could happen
+        // before via wxNavigationEnabled::AddChild() -> ToggleWindowStyle() ->
+        // SetWindowStyleFlag().
+        m_headerWin = new wxListHeaderWindow();
+        m_headerWin->Create
                       (
                         this, wxID_ANY, m_mainWin,
                         wxPoint(0,0),
@@ -4520,7 +4529,7 @@ void wxGenericListCtrl::CreateOrDestroyHeaderWindowAsNeeded()
                         ),
                         wxTAB_TRAVERSAL
                       );
-
+        
 #if defined( __WXMAC__ )
         static wxFont font( wxOSX_SYSTEM_FONT_SMALL );
         m_headerWin->SetFont( font );
@@ -5289,26 +5298,6 @@ bool wxGenericListCtrl::DoPopupMenu( wxMenu *menu, int x, int y )
 #endif
 }
 
-void wxGenericListCtrl::DoClientToScreen( int *x, int *y ) const
-{
-    // It's not clear whether this can be called before m_mainWin is created
-    // but it seems better to be on the safe side and check.
-    if ( m_mainWin )
-        m_mainWin->DoClientToScreen(x, y);
-    else
-        wxListCtrlBase::DoClientToScreen(x, y);
-}
-
-void wxGenericListCtrl::DoScreenToClient( int *x, int *y ) const
-{
-    // At least in wxGTK/Univ build this method can be called before m_mainWin
-    // is created so avoid crashes in this case.
-    if ( m_mainWin )
-        m_mainWin->DoScreenToClient(x, y);
-    else
-        wxListCtrlBase::DoScreenToClient(x, y);
-}
-
 wxSize wxGenericListCtrl::DoGetBestClientSize() const
 {
     // The base class version can compute the best size in report view only.