Fix memory leak by letting the base class version handle the

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

diff --git a/src/generic/listbkg.cpp b/src/generic/listbkg.cpp
index 0a616643e2321813194e560f19c5605f8079ac53..b26d18ebd94efa411e7ea158768bb1ae0a0daab5 100644 (file)
--- a/src/generic/listbkg.cpp
+++ b/src/generic/listbkg.cpp
@@ -6,7 +6,7 @@
 // Created:     19.08.03
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
-// Licence:     wxWindows licence
+// Licence:     wxWidgets licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -45,7 +45,7 @@
 const wxCoord MARGIN = 5;
 
 // ----------------------------------------------------------------------------
-// various wxWindows macros
+// various wxWidgets macros
 // ----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS(wxListbook, wxControl)
@@ -53,11 +53,11 @@ IMPLEMENT_DYNAMIC_CLASS(wxListbookEvent, wxNotifyEvent)
 
 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)
     EVT_SIZE(wxListbook::OnSize)
-
-    EVT_LIST_ITEM_SELECTED(wxID_ANY, wxListbook::OnListSelected)
+    EVT_LIST_ITEM_SELECTED(wxID_LISTBOOKLISTVIEW, wxListbook::OnListSelected)
 END_EVENT_TABLE()
 
 // ============================================================================
@@ -71,7 +71,9 @@ END_EVENT_TABLE()
 void wxListbook::Init()
 {
     m_list = NULL;
+#if wxUSE_LINE_IN_LISTBOOK
     m_line = NULL;
+#endif // wxUSE_LINE_IN_LISTBOOK
     m_selection = wxNOT_FOUND;
 }
 
@@ -92,6 +94,11 @@ wxListbook::Create(wxWindow *parent,
 #endif // __WXMAC__/!__WXMAC__
     }
 
+    // no border for this control, it doesn't look nice together with
+    // wxListCtrl border
+    style &= ~wxBORDER_MASK;
+    style |= wxBORDER_NONE;
+
     if ( !wxControl::Create(parent, id, pos, size, style,
                             wxDefaultValidator, name) )
         return false;
@@ -99,12 +106,14 @@ wxListbook::Create(wxWindow *parent,
     m_list = new wxListView
                  (
                     this,
-                    -1,
+                    wxID_LISTBOOKLISTVIEW,
                     wxDefaultPosition,
                     wxDefaultSize,
-                    wxLC_ICON | wxLC_SINGLE_SEL
+                    wxLC_ICON | wxLC_SINGLE_SEL |
+                        (IsVertical() ? wxLC_ALIGN_LEFT : wxLC_ALIGN_TOP)
                  );
 
+#if wxUSE_LINE_IN_LISTBOOK
     m_line = new wxStaticLine
                  (
                     this,
@@ -113,7 +122,18 @@ wxListbook::Create(wxWindow *parent,
                     wxDefaultSize,
                     IsVertical() ? wxLI_HORIZONTAL : wxLI_VERTICAL
                  );
-
+#endif // wxUSE_LINE_IN_LISTBOOK
+
+#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
+    // 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.
+    wxSizeEvent evt;
+    GetEventHandler()->AddPendingEvent(evt);
+#endif
     return true;
 }
 
@@ -123,53 +143,19 @@ wxListbook::Create(wxWindow *parent,
 
 wxSize wxListbook::GetListSize() const
 {
-    const wxSize sizeClient = GetClientSize();
-
-    // we need to find the longest/tallest label
-    wxCoord widthMax = 0,
-            heightMax = 0;
-    const int count = m_list->GetItemCount();
-    if ( count )
-    {
-        for ( int i = 0; i < count; i++ )
-        {
-            wxRect r;
-            m_list->GetItemRect(i, r);
-
-            wxCoord w = r.x + r.width,
-                    h = r.y + r.height;
-
-            if ( w > widthMax )
-                widthMax = w;
-            if ( h > heightMax )
-                heightMax = h;
-        }
-    }
+    const wxSize sizeClient = GetClientSize(),
+                 sizeList = m_list->GetViewRect().GetSize();
 
     wxSize size;
     if ( IsVertical() )
     {
         size.x = sizeClient.x;
-        size.y = heightMax;
-
-        if ( widthMax >= sizeClient.x )
-        {
-            // account for the scrollbar
-            size.y += wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
-        }
+        size.y = sizeList.y;
     }
     else // left/right aligned
     {
-        // +10 is due to an apparent bug in wxListCtrl::GetItemRect() but I
-        // can't fix it there right now so just add a fudge here...
-        size.x = widthMax + 10;
+        size.x = sizeList.x;
         size.y = sizeClient.y;
-
-        if ( heightMax >= sizeClient.y )
-        {
-            // account for the scrollbar
-            size.x += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
-        }
     }
 
     return size;
@@ -177,7 +163,7 @@ wxSize wxListbook::GetListSize() const
 
 wxRect wxListbook::GetPageRect() const
 {
-    const wxSize sizeList = GetListSize();
+    const wxSize sizeList = m_list->GetSize();
 
     wxRect rectPage(wxPoint(0, 0), GetClientSize());
     switch ( GetWindowStyle() & wxLB_ALIGN_MASK )
@@ -241,8 +227,10 @@ void wxListbook::OnSize(wxSizeEvent& event)
             break;
     }
 
-    m_list->SetSize(posList.x, posList.y, sizeList.x, sizeList.y);
+    m_list->Move(posList.x, posList.y);
+    m_list->SetClientSize(sizeList.x, sizeList.y);
 
+#if wxUSE_LINE_IN_LISTBOOK
     if ( m_line )
     {
         wxRect rectLine(wxPoint(0, 0), sizeClient);
@@ -272,6 +260,7 @@ void wxListbook::OnSize(wxSizeEvent& event)
 
         m_line->SetSize(rectLine);
     }
+#endif // wxUSE_LINE_IN_LISTBOOK
 
     // we should always have some selection if possible
     if ( m_selection == wxNOT_FOUND && GetPageCount() )
@@ -368,10 +357,12 @@ int wxListbook::SetSelection(size_t n)
 
     if ( (int)n != m_selection )
     {
-        m_selection = n;
+        m_list->Select(n);
+        m_list->Focus(n);
 
-        m_list->Select(m_selection);
-        m_list->Focus(m_selection);
+        // change m_selection only now, otherwise OnListSelected() would ignore
+        // the selection change event
+        m_selection = n;
     }
 
     return selOld;