Add comments explaining the workaround for mingw 3.2.3

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

diff --git a/src/generic/listbkg.cpp b/src/generic/listbkg.cpp
index 313205d05135e52b52e79c1a80a28cab7d696329..e9b4baa656b2be7e9776b6785f6ecc725c34abb0 100644 (file)
--- a/src/generic/listbkg.cpp
+++ b/src/generic/listbkg.cpp
@@ -62,7 +62,7 @@ const wxEventType wxEVT_COMMAND_LISTBOOK_PAGE_CHANGING = wxNewEventType();
 const wxEventType wxEVT_COMMAND_LISTBOOK_PAGE_CHANGED = wxNewEventType();
 const int wxID_LISTBOOKLISTVIEW = wxNewId();
 
-BEGIN_EVENT_TABLE(wxListbook, wxBookCtrl)
+BEGIN_EVENT_TABLE(wxListbook, wxBookCtrlBase)
     EVT_SIZE(wxListbook::OnSize)
     EVT_LIST_ITEM_SELECTED(wxID_LISTBOOKLISTVIEW, wxListbook::OnListSelected)
 END_EVENT_TABLE()
@@ -134,7 +134,7 @@ wxListbook::Create(wxWindow *parent,
 #ifdef __WXMSW__
     // On XP with themes enabled the GetViewRect used in GetListSize to
     // determine the space needed for the list view will incorrectly return
-    // (0,0,0,0) the first time.  So send a pending event so OnSize wiull be
+    // (0,0,0,0) the first time.  So send a pending event so OnSize will be
     // called again after the window is ready to go.  Technically we don't
     // need to do this on non-XP windows, but if things are already sized
     // correctly then nothing changes and so there is no harm.
@@ -172,7 +172,8 @@ wxRect wxListbook::GetPageRect() const
 {
     const wxSize sizeList = m_list->GetSize();
 
-    wxRect rectPage(wxPoint(0, 0), GetClientSize());
+    wxPoint pt;
+    wxRect rectPage(pt, GetClientSize());
     switch ( GetWindowStyle() & wxLB_ALIGN_MASK )
     {
         default:
@@ -240,7 +241,7 @@ void wxListbook::OnSize(wxSizeEvent& event)
 #if wxUSE_LINE_IN_LISTBOOK
     if ( m_line )
     {
-        wxRect rectLine(wxPoint(0, 0), sizeClient);
+        wxRect rectLine(sizeClient);
 
         switch ( GetWindowStyle() & wxLB_ALIGN_MASK )
         {
@@ -322,7 +323,7 @@ int wxListbook::GetPageImage(size_t WXUNUSED(n)) const
 
 bool wxListbook::SetPageImage(size_t n, int imageId)
 {
-    return m_list->SetItemImage(n, imageId, imageId);
+    return m_list->SetItemImage(n, imageId);
 }
 
 // ----------------------------------------------------------------------------
@@ -333,7 +334,7 @@ void wxListbook::SetImageList(wxImageList *imageList)
 {
     m_list->SetImageList(imageList, wxIMAGE_LIST_NORMAL);
 
-    wxBookCtrl::SetImageList(imageList);
+    wxBookCtrlBase::SetImageList(imageList);
 }
 
 // ----------------------------------------------------------------------------
@@ -367,6 +368,7 @@ int wxListbook::SetSelection(size_t n)
             page->SetSize(GetPageRect());
             page->Show();
 
+            // change m_selection now to ignore the selection change event
             m_selection = n;
             m_list->Select(n);
             m_list->Focus(n);
@@ -391,21 +393,34 @@ wxListbook::InsertPage(size_t n,
                        bool bSelect,
                        int imageId)
 {
-    if ( !wxBookCtrl::InsertPage(n, page, text, bSelect, imageId) )
+    if ( !wxBookCtrlBase::InsertPage(n, page, text, bSelect, imageId) )
         return false;
 
     m_list->InsertItem(n, text, imageId);
 
-    // we should always have some selection if possible
-    if ( bSelect || (m_selection == wxNOT_FOUND) )
+    // if the inserted page is before the selected one, we must update the
+    // index of the selected page
+    if ( int(n) <= m_selection )
     {
-        SetSelection(n);
+        // one extra page added
+        m_selection++;
+        m_list->Select(m_selection);
+        m_list->Focus(m_selection);
     }
-    else // don't select this page
-    {
-        // it will be shown only when selected
+
+    // some page should be selected: either this one or the first one if there
+    // is still no selection
+    int selNew = -1;
+    if ( bSelect )
+        selNew = n;
+    else if ( m_selection == -1 )
+        selNew = 0;
+
+    if ( selNew != m_selection )
         page->Hide();
-    }
+
+    if ( selNew != -1 )
+        SetSelection(selNew);
 
     InvalidateBestSize();
     return true;
@@ -414,7 +429,7 @@ wxListbook::InsertPage(size_t n,
 wxWindow *wxListbook::DoRemovePage(size_t page)
 {
     const int page_count = GetPageCount();
-    wxWindow *win = wxBookCtrl::DoRemovePage(page);
+    wxWindow *win = wxBookCtrlBase::DoRemovePage(page);
 
     if ( win )
     {
@@ -444,7 +459,7 @@ wxWindow *wxListbook::DoRemovePage(size_t page)
 bool wxListbook::DeleteAllPages()
 {
     m_list->DeleteAllItems();
-    return wxBookCtrl::DeleteAllPages();
+    return wxBookCtrlBase::DeleteAllPages();
 }
 
 // ----------------------------------------------------------------------------
@@ -454,7 +469,6 @@ bool wxListbook::DeleteAllPages()
 void wxListbook::OnListSelected(wxListEvent& eventList)
 {
     const int selNew = eventList.GetIndex();
-    const int selOld = m_selection;
 
     if ( selNew == m_selection )
     {
@@ -464,28 +478,14 @@ void wxListbook::OnListSelected(wxListEvent& eventList)
         return;
     }
 
-    // first send "change in progress" event which may be vetoed by user
-    wxListbookEvent eventIng(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGING, GetId());
+    SetSelection(selNew);
 
-    eventIng.SetEventObject(this);
-    eventIng.SetSelection(selNew);
-    eventIng.SetOldSelection(selOld);
-    if ( GetEventHandler()->ProcessEvent(eventIng) && !eventIng.IsAllowed() )
+    // change wasn't allowed, return to previous state
+    if (m_selection != selNew)
     {
         m_list->Select(m_selection);
-        return;
+        m_list->Focus(m_selection);
     }
-
-    // change allowed: do change the page and notify the user about it
-    SetSelection(selNew);
-
-    wxListbookEvent eventEd(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGED, GetId());
-
-    eventEd.SetEventObject(this);
-    eventEd.SetSelection(selNew);
-    eventEd.SetOldSelection(selOld);
-
-    (void)GetEventHandler()->ProcessEvent(eventEd);
 }
 
 #endif // wxUSE_LISTBOOK