X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e90c1d2a19361551eb07778280f22be3e759cf64..b404a8f3b072129c107c6d9a5e0f6f53cd34807b:/src/msw/listbox.cpp

diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp
index 6d50248628..69565096f7 100644
--- a/src/msw/listbox.cpp
+++ b/src/msw/listbox.cpp
@@ -1,18 +1,14 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        listbox.cpp
+// Name:        src/msw/listbox.cpp
 // Purpose:     wxListBox
 // Author:      Julian Smart
 // Modified by: Vadim Zeitlin (owner drawn stuff)
 // Created:
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-    #pragma implementation "listbox.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -20,72 +16,30 @@
     #pragma hdrstop
 #endif
 
-#include "wx/window.h"
-#include "wx/msw/private.h"
+#if wxUSE_LISTBOX
 
-#ifndef WX_PRECOMP
 #include "wx/listbox.h"
-#include "wx/settings.h"
-#include "wx/brush.h"
-#include "wx/font.h"
-#include "wx/dc.h"
-#include "wx/utils.h"
-#endif
-
-#include <windowsx.h>
 
-#ifdef __WXWINE__
-  #if defined(GetWindowStyle)
-    #undef GetWindowStyle
-  #endif
+#ifndef WX_PRECOMP
+    #include "wx/dynarray.h"
+    #include "wx/settings.h"
+    #include "wx/brush.h"
+    #include "wx/font.h"
+    #include "wx/dc.h"
+    #include "wx/utils.h"
+    #include "wx/log.h"
+    #include "wx/window.h"
 #endif
 
-#include "wx/dynarray.h"
-#include "wx/log.h"
+#include "wx/msw/private.h"
+#include "wx/msw/dc.h"
+
+#include <windowsx.h>
 
 #if wxUSE_OWNER_DRAWN
     #include  "wx/ownerdrw.h"
 #endif
 
-#ifndef __TWIN32__
-    #if defined(__GNUWIN32__)
-        #ifndef wxUSE_NORLANDER_HEADERS
-            #include <wx/msw/gnuwin32/extra.h>
-        #endif
-    #endif
-#endif
-
-#ifdef __WXWINE__
-  #ifndef ListBox_SetItemData
-    #define ListBox_SetItemData(hwndCtl, index, data) \
-      ((int)(DWORD)SendMessage((hwndCtl), LB_SETITEMDATA, (WPARAM)(int)(index), (LPARAM)(data)))
-  #endif
-  #ifndef ListBox_GetHorizontalExtent
-    #define ListBox_GetHorizontalExtent(hwndCtl) \
-      ((int)(DWORD)SendMessage((hwndCtl), LB_GETHORIZONTALEXTENT, 0L, 0L))
-  #endif
-  #ifndef ListBox_GetSelCount
-    #define ListBox_GetSelCount(hwndCtl) \
-      ((int)(DWORD)SendMessage((hwndCtl), LB_GETSELCOUNT, 0L, 0L))
-  #endif
-  #ifndef ListBox_GetSelItems
-    #define ListBox_GetSelItems(hwndCtl, cItems, lpItems) \
-      ((int)(DWORD)SendMessage((hwndCtl), LB_GETSELITEMS, (WPARAM)(int)(cItems), (LPARAM)(int *)(lpItems)))
-  #endif
-  #ifndef ListBox_GetTextLen
-    #define ListBox_GetTextLen(hwndCtl, index) \
-      ((int)(DWORD)SendMessage((hwndCtl), LB_GETTEXTLEN, (WPARAM)(int)(index), 0L))
-  #endif
-  #ifndef ListBox_GetText
-    #define ListBox_GetText(hwndCtl, index, lpszBuffer) \
-      ((int)(DWORD)SendMessage((hwndCtl), LB_GETTEXT, (WPARAM)(int)(index), (LPARAM)(LPCTSTR)(lpszBuffer)))
-  #endif
-#endif
-
-#if !USE_SHARED_LIBRARY
-    IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
-#endif
-
 // ============================================================================
 // list box item declaration and implementation
 // ============================================================================
@@ -95,18 +49,25 @@
 class wxListBoxItem : public wxOwnerDrawn
 {
 public:
-    wxListBoxItem(const wxString& str = "");
-};
+    wxListBoxItem(wxListBox *parent)
+        { m_parent = parent; }
 
-wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE)
-{
-    // no bitmaps/checkmarks
-    SetMarginWidth(0);
-}
+    wxListBox *GetParent() const
+        { return m_parent; }
+
+    int GetIndex() const
+        { return m_parent->GetItemIndex(const_cast<wxListBoxItem*>(this)); }
 
-wxOwnerDrawn *wxListBox::CreateItem(size_t n)
+    wxString GetName() const
+        { return m_parent->GetString(GetIndex()); }
+
+private:
+    wxListBox *m_parent;
+};
+
+wxOwnerDrawn *wxListBox::CreateLboxItem(size_t WXUNUSED(n))
 {
-    return new wxListBoxItem();
+    return new wxListBoxItem(this);
 }
 
 #endif  //USE_OWNER_DRAWN
@@ -115,55 +76,15 @@ wxOwnerDrawn *wxListBox::CreateItem(size_t n)
 // list box control implementation
 // ============================================================================
 
-bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
-{
-    /*
-       if (param == LBN_SELCANCEL)
-       {
-       event.extraLong = FALSE;
-       }
-     */
-    if (param == LBN_SELCHANGE)
-    {
-        wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
-        wxArrayInt aSelections;
-        int count = GetSelections(aSelections);
-        if ( count > 0 )
-        {
-            event.m_commandInt = aSelections[0] ;
-            event.m_clientData = GetClientData(event.m_commandInt);
-            wxString str(GetString(event.m_commandInt));
-            if (str != T(""))
-            {
-		event.m_commandString = str;
-            }
-        }
-        else
-        {
-            event.m_commandInt = -1 ;
-            event.m_commandString.Empty();
-        }
-
-        event.SetEventObject( this );
-        ProcessCommand(event);
-        return TRUE;
-    }
-    else if (param == LBN_DBLCLK)
-    {
-        wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
-        event.SetEventObject( this );
-        GetEventHandler()->ProcessEvent(event) ;
-        return TRUE;
-    }
+// ----------------------------------------------------------------------------
+// creation
+// ----------------------------------------------------------------------------
 
-    return FALSE;
-}
-
-    // Listbox item
-wxListBox::wxListBox()
+void wxListBox::Init()
 {
     m_noItems = 0;
-    m_selected = 0;
+    m_updateHorizontalExtent = false;
+    m_selectedByKeyboard = false;
 }
 
 bool wxListBox::Create(wxWindow *parent,
@@ -175,291 +96,225 @@ bool wxListBox::Create(wxWindow *parent,
                        const wxValidator& validator,
                        const wxString& name)
 {
-    m_noItems = 0;
-    m_hWnd = 0;
-    m_selected = 0;
-
-    SetName(name);
-    SetValidator(validator);
-
-    if (parent)
-        parent->AddChild(this);
-
-    wxSystemSettings settings;
-    SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW));
-    SetForegroundColour(parent->GetForegroundColour());
-
-    m_windowId = ( id == -1 ) ? (int)NewControlId() : id;
-
-    int x = pos.x;
-    int y = pos.y;
-    int width = size.x;
-    int height = size.y;
-    m_windowStyle = style;
+    // initialize base class fields
+    if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+        return false;
 
-    DWORD wstyle = WS_VISIBLE | WS_VSCROLL | WS_TABSTOP |
-                   LBS_NOTIFY | LBS_HASSTRINGS;
-    if (m_windowStyle & wxLB_MULTIPLE)
-        wstyle |= LBS_MULTIPLESEL;
-    else if (m_windowStyle & wxLB_EXTENDED)
-        wstyle |= LBS_EXTENDEDSEL;
-
-    if (m_windowStyle & wxLB_ALWAYS_SB)
-        wstyle |= LBS_DISABLENOSCROLL ;
-    if (m_windowStyle & wxLB_HSCROLL)
-        wstyle |= WS_HSCROLL;
-    if (m_windowStyle & wxLB_SORT)
-        wstyle |= LBS_SORT;
-
-#if wxUSE_OWNER_DRAWN
-    if ( m_windowStyle & wxLB_OWNERDRAW ) {
-        // we don't support LBS_OWNERDRAWVARIABLE yet
-        wstyle |= LBS_OWNERDRAWFIXED;
+    // create the native control
+    if ( !MSWCreateControl(wxT("LISTBOX"), wxEmptyString, pos, size) )
+    {
+        // control creation failed
+        return false;
     }
-#endif
-
-    // Without this style, you get unexpected heights, so e.g. constraint layout
-    // doesn't work properly
-    wstyle |= LBS_NOINTEGRALHEIGHT;
-
-    bool want3D;
-    WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
 
-    // Even with extended styles, need to combine with WS_BORDER
-    // for them to look right.
-    if ( want3D || wxStyleHasBorder(m_windowStyle) )
+    // initialize the contents
+    for ( int i = 0; i < n; i++ )
     {
-        wstyle |= WS_BORDER;
+        Append(choices[i]);
     }
 
-    m_hWnd = (WXHWND)::CreateWindowEx(exStyle, T("LISTBOX"), NULL,
-            wstyle | WS_CHILD,
-            0, 0, 0, 0,
-            (HWND)parent->GetHWND(), (HMENU)m_windowId,
-            wxGetInstance(), NULL);
+    // now we can compute our best size correctly, so do it again
+    SetInitialSize(size);
 
-    wxCHECK_MSG( m_hWnd, FALSE, T("Failed to create listbox") );
+    return true;
+}
 
-#if wxUSE_CTL3D
-    if (want3D)
-    {
-        Ctl3dSubclassCtl(GetHwnd());
-        m_useCtl3D = TRUE;
-    }
-#endif
+bool wxListBox::Create(wxWindow *parent,
+                       wxWindowID id,
+                       const wxPoint& pos,
+                       const wxSize& size,
+                       const wxArrayString& choices,
+                       long style,
+                       const wxValidator& validator,
+                       const wxString& name)
+{
+    wxCArrayString chs(choices);
+    return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
+                  style, validator, name);
+}
 
-    // Subclass again to catch messages
-    SubclassWin(m_hWnd);
+wxListBox::~wxListBox()
+{
+    Clear();
+}
 
-    size_t ui;
-    for (ui = 0; ui < (size_t)n; ui++) {
-        Append(choices[ui]);
-    }
+WXDWORD wxListBox::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+    WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
 
-    if ( (m_windowStyle & wxLB_MULTIPLE) == 0 )
-        SendMessage(GetHwnd(), LB_SETCURSEL, 0, 0);
+    // we always want to get the notifications
+    msStyle |= LBS_NOTIFY;
 
-    SetFont(parent->GetFont());
+    // without this style, you get unexpected heights, so e.g. constraint
+    // layout doesn't work properly
+    msStyle |= LBS_NOINTEGRALHEIGHT;
 
-    SetSize(x, y, width, height);
+    wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
+                  wxT("only one of listbox selection modes can be specified") );
 
-    Show(TRUE);
+    if ( style & wxLB_MULTIPLE )
+        msStyle |= LBS_MULTIPLESEL;
+    else if ( style & wxLB_EXTENDED )
+        msStyle |= LBS_EXTENDEDSEL;
 
-    return TRUE;
-}
+    wxASSERT_MSG( !(style & wxLB_ALWAYS_SB) || !(style & wxLB_NO_SB),
+                  wxT( "Conflicting styles wxLB_ALWAYS_SB and wxLB_NO_SB." ) );
 
-wxListBox::~wxListBox()
-{
-#if wxUSE_OWNER_DRAWN
-    size_t uiCount = m_aItems.Count();
-    while ( uiCount-- != 0 ) {
-        delete m_aItems[uiCount];
+    if ( !(style & wxLB_NO_SB) )
+    {
+        msStyle |= WS_VSCROLL;
+        if ( style & wxLB_ALWAYS_SB )
+            msStyle |= LBS_DISABLENOSCROLL;
     }
-#endif // wxUSE_OWNER_DRAWN
-}
 
-void wxListBox::SetupColours()
-{
-    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
-    SetForegroundColour(GetParent()->GetForegroundColour());
-}
+    if ( m_windowStyle & wxLB_HSCROLL )
+        msStyle |= WS_HSCROLL;
+    if ( m_windowStyle & wxLB_SORT )
+        msStyle |= LBS_SORT;
 
-void wxListBox::SetFirstItem(int N)
-{
-    wxCHECK_RET( N >= 0 && N < m_noItems,
-                 T("invalid index in wxListBox::SetFirstItem") );
+#if wxUSE_OWNER_DRAWN && !defined(__WXWINCE__)
+    if ( m_windowStyle & wxLB_OWNERDRAW )
+    {
+        // we don't support LBS_OWNERDRAWVARIABLE yet and we also always put
+        // the strings in the listbox for simplicity even though we could have
+        // avoided it in this case
+        msStyle |= LBS_OWNERDRAWFIXED | LBS_HASSTRINGS;
+    }
+#endif // wxUSE_OWNER_DRAWN
 
-    SendMessage(GetHwnd(),LB_SETTOPINDEX,(WPARAM)N,(LPARAM)0) ;
+    return msStyle;
 }
 
-void wxListBox::SetFirstItem(const wxString& s)
+void wxListBox::OnInternalIdle()
 {
-    int N = FindString(s) ;
+    wxWindow::OnInternalIdle();
 
-    if ( N >= 0 )
-        SetFirstItem(N) ;
+    if (m_updateHorizontalExtent)
+    {
+        SetHorizontalExtent(wxEmptyString);
+        m_updateHorizontalExtent = false;
+    }
 }
 
-void wxListBox::Delete(int N)
+void wxListBox::MSWOnItemsChanged()
 {
-    wxCHECK_RET( N >= 0 && N < m_noItems,
-                 T("invalid index in wxListBox::Delete") );
+    // we need to do two things when items change: update their max horizontal
+    // extent so that horizontal scrollbar could be shown or hidden as
+    // appropriate and also invlaidate the best size
+    //
+    // updating the max extent is slow (it's an O(N) operation) and so we defer
+    // it until the idle time but the best size should be invalidated
+    // immediately doing it in idle time is too late -- layout using incorrect
+    // old best size will have been already done by then
 
-    SendMessage(GetHwnd(), LB_DELETESTRING, N, 0);
-    m_noItems--;
+    m_updateHorizontalExtent = true;
 
-    SetHorizontalExtent("");
+    InvalidateBestSize();
 }
 
-void wxListBox::Append(const wxString& item)
-{
-    int index = ListBox_AddString(GetHwnd(), item);
-    m_noItems ++;
+// ----------------------------------------------------------------------------
+// implementation of wxListBoxBase methods
+// ----------------------------------------------------------------------------
 
-#if wxUSE_OWNER_DRAWN
-    if ( m_windowStyle & wxLB_OWNERDRAW ) {
-        wxOwnerDrawn *pNewItem = CreateItem(index); // dummy argument
-        pNewItem->SetName(item);
-        m_aItems.Add(pNewItem);
-        ListBox_SetItemData(GetHwnd(), index, pNewItem);
-    }
-#endif
+void wxListBox::DoSetFirstItem(int N)
+{
+    wxCHECK_RET( IsValid(N),
+                 wxT("invalid index in wxListBox::SetFirstItem") );
 
-    SetHorizontalExtent(item);
+    SendMessage(GetHwnd(), LB_SETTOPINDEX, (WPARAM)N, (LPARAM)0);
 }
 
-void wxListBox::Append(const wxString& item, void *Client_data)
+void wxListBox::DoDeleteOneItem(unsigned int n)
 {
-    int index = ListBox_AddString(GetHwnd(), item);
-    m_noItems ++;
+    wxCHECK_RET( IsValid(n),
+                 wxT("invalid index in wxListBox::Delete") );
 
 #if wxUSE_OWNER_DRAWN
-    if ( m_windowStyle & wxLB_OWNERDRAW ) {
-        // client data must be pointer to wxOwnerDrawn, otherwise we would crash
-        // in OnMeasure/OnDraw.
-        wxFAIL_MSG(T("Can't use client data with owner-drawn listboxes"));
-    }
-    else
-#endif
-
-    ListBox_SetItemData(GetHwnd(), index, Client_data);
-
-    SetHorizontalExtent(item);
-}
-
-void wxListBox::Set(int n, const wxString *choices, void** clientData)
-{
-    ShowWindow(GetHwnd(), SW_HIDE);
-    ListBox_ResetContent(GetHwnd());
-    int i;
-    for (i = 0; i < n; i++)
+    if ( HasFlag(wxLB_OWNERDRAW) )
     {
-        ListBox_AddString(GetHwnd(), choices[i]);
-        if ( clientData )
-            ListBox_SetItemData(GetHwnd(), i, clientData[i]);
+        delete m_aItems[n];
+        m_aItems.RemoveAt(n);
     }
-    m_noItems = n;
-
-#if wxUSE_OWNER_DRAWN
-    if ( m_windowStyle & wxLB_OWNERDRAW ) {
-        // first delete old items
-        size_t ui = m_aItems.Count();
-        while ( ui-- != 0 ) {
-            delete m_aItems[ui];
-        }
-        m_aItems.Empty();
+#endif // wxUSE_OWNER_DRAWN
 
-        // then create new ones
-        for (ui = 0; ui < (size_t)n; ui++) {
-            wxOwnerDrawn *pNewItem = CreateItem(ui);
-            pNewItem->SetName(choices[ui]);
-            m_aItems.Add(pNewItem);
-            ListBox_SetItemData(GetHwnd(), ui, pNewItem);
+    SendMessage(GetHwnd(), LB_DELETESTRING, n, 0);
+    m_noItems--;
 
-            wxASSERT_MSG(clientData[ui] == NULL,
-                    T("Can't use client data with owner-drawn listboxes"));
-        }
-    }
-#endif
+    MSWOnItemsChanged();
 
-    SetHorizontalExtent("");
-    ShowWindow(GetHwnd(), SW_SHOW);
+    UpdateOldSelections();
 }
 
-int wxListBox::FindString(const wxString& s) const
+int wxListBox::FindString(const wxString& s, bool bCase) const
 {
-    int pos = ListBox_FindStringExact(GetHwnd(), (WPARAM)-1, s);
+    // back to base class search for not native search type
+    if (bCase)
+       return wxItemContainerImmutable::FindString( s, bCase );
+
+    int pos = ListBox_FindStringExact(GetHwnd(), -1, s.wx_str());
     if (pos == LB_ERR)
-        return -1;
+        return wxNOT_FOUND;
     else
         return pos;
 }
 
-void wxListBox::Clear()
+void wxListBox::DoClear()
 {
-    ListBox_ResetContent(GetHwnd());
-
 #if wxUSE_OWNER_DRAWN
-    size_t uiCount = m_aItems.Count();
-    while ( uiCount-- != 0 ) {
-        delete m_aItems[uiCount];
+    if ( HasFlag(wxLB_OWNERDRAW) )
+    {
+        WX_CLEAR_ARRAY(m_aItems);
     }
-
-    m_aItems.Clear();
 #endif // wxUSE_OWNER_DRAWN
 
+    ListBox_ResetContent(GetHwnd());
+
     m_noItems = 0;
-    ListBox_GetHorizontalExtent(GetHwnd());
+    MSWOnItemsChanged();
+
+    UpdateOldSelections();
 }
 
-void wxListBox::SetSelection(int N, bool select)
+void wxListBox::DoSetSelection(int N, bool select)
 {
-    wxCHECK_RET( N >= 0 && N < m_noItems,
-                 T("invalid index in wxListBox::SetSelection") );
+    wxCHECK_RET( N == wxNOT_FOUND || IsValid(N),
+                 wxT("invalid index in wxListBox::SetSelection") );
 
-    if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
-        SendMessage(GetHwnd(), LB_SETSEL, select, N);
+    if ( HasMultipleSelection() )
+    {
+        // Setting selection to -1 should deselect everything.
+        const bool deselectAll = N == wxNOT_FOUND;
+        SendMessage(GetHwnd(), LB_SETSEL,
+                    deselectAll ? FALSE : select,
+                    deselectAll ? -1 : N);
+    }
     else
     {
-        int N1 = N;
-        if (!select)
-            N1 = -1;
-        SendMessage(GetHwnd(), LB_SETCURSEL, N1, 0);
+        SendMessage(GetHwnd(), LB_SETCURSEL, select ? N : -1, 0);
     }
-}
-
-bool wxListBox::Selected(int N) const
-{
-    wxCHECK_MSG( N >= 0 && N < m_noItems, FALSE,
-                 T("invalid index in wxListBox::Selected") );
 
-    return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? FALSE : TRUE;
+    UpdateOldSelections();
 }
 
-void wxListBox::Deselect(int N)
+bool wxListBox::IsSelected(int N) const
 {
-    wxCHECK_RET( N >= 0 && N < m_noItems,
-                 T("invalid index in wxListBox::Deselect") );
+    wxCHECK_MSG( IsValid(N), false,
+                 wxT("invalid index in wxListBox::Selected") );
 
-    if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
-        SendMessage(GetHwnd(), LB_SETSEL, FALSE, N);
+    return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? false : true;
 }
 
-void *wxListBox::GetClientData(int N) const
+void *wxListBox::DoGetItemClientData(unsigned int n) const
 {
-    wxCHECK_MSG( N >= 0 && N < m_noItems, NULL,
-                 T("invalid index in wxListBox::GetClientData") );
-
-    return (void *)SendMessage(GetHwnd(), LB_GETITEMDATA, N, 0);
+    return (void *)SendMessage(GetHwnd(), LB_GETITEMDATA, n, 0);
 }
 
-void wxListBox::SetClientData(int N, void *Client_data)
+void wxListBox::DoSetItemClientData(unsigned int n, void *clientData)
 {
-    wxCHECK_RET( N >= 0 && N < m_noItems,
-                 T("invalid index in wxListBox::SetClientData") );
-
-    if ( ListBox_SetItemData(GetHwnd(), N, Client_data) == LB_ERR )
-        wxLogDebug(T("LB_SETITEMDATA failed"));
+    if ( ListBox_SetItemData(GetHwnd(), n, clientData) == LB_ERR )
+    {
+        wxLogDebug(wxT("LB_SETITEMDATA failed"));
+    }
 }
 
 // Return number of selections and an array of selected integers
@@ -467,198 +322,225 @@ int wxListBox::GetSelections(wxArrayInt& aSelections) const
 {
     aSelections.Empty();
 
-    if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
+    if ( HasMultipleSelection() )
     {
-        int no_sel = ListBox_GetSelCount(GetHwnd());
-        if (no_sel != 0) {
-            int *selections = new int[no_sel];
-            if ( ListBox_GetSelItems(GetHwnd(), no_sel, selections) == LB_ERR ) {
-                wxFAIL_MSG(T("This listbox can't have single-selection style!"));
-            }
+        int countSel = ListBox_GetSelCount(GetHwnd());
+        if ( countSel == LB_ERR )
+        {
+            wxLogDebug(wxT("ListBox_GetSelCount failed"));
+        }
+        else if ( countSel != 0 )
+        {
+            int *selections = new int[countSel];
 
-            aSelections.Alloc(no_sel);
-            for ( int n = 0; n < no_sel; n++ )
-                aSelections.Add(selections[n]);
+            if ( ListBox_GetSelItems(GetHwnd(),
+                                     countSel, selections) == LB_ERR )
+            {
+                wxLogDebug(wxT("ListBox_GetSelItems failed"));
+                countSel = -1;
+            }
+            else
+            {
+                aSelections.Alloc(countSel);
+                for ( int n = 0; n < countSel; n++ )
+                    aSelections.Add(selections[n]);
+            }
 
             delete [] selections;
         }
 
-        return no_sel;
+        return countSel;
     }
     else  // single-selection listbox
     {
-        aSelections.Add(ListBox_GetCurSel(GetHwnd()));
+        if (ListBox_GetCurSel(GetHwnd()) > -1)
+            aSelections.Add(ListBox_GetCurSel(GetHwnd()));
 
-        return 1;
+        return aSelections.Count();
     }
 }
 
 // Get single selection, for single choice list items
 int wxListBox::GetSelection() const
 {
-    wxCHECK_MSG( !(m_windowStyle & wxLB_MULTIPLE) &&
-                 !(m_windowStyle & wxLB_EXTENDED),
+    wxCHECK_MSG( !HasMultipleSelection(),
                  -1,
-                 T("GetSelection() can't be used with multiple-selection "
-                    "listboxes, use GetSelections() instead.") );
+                 wxT("GetSelection() can't be used with multiple-selection listboxes, use GetSelections() instead.") );
 
     return ListBox_GetCurSel(GetHwnd());
 }
 
 // Find string for position
-wxString wxListBox::GetString(int N) const
+wxString wxListBox::GetString(unsigned int n) const
 {
-    wxCHECK_MSG( N >= 0 && N < m_noItems, "",
-                 T("invalid index in wxListBox::GetClientData") );
+    wxCHECK_MSG( IsValid(n), wxEmptyString,
+                 wxT("invalid index in wxListBox::GetString") );
 
-    int len = ListBox_GetTextLen(GetHwnd(), N);
+    int len = ListBox_GetTextLen(GetHwnd(), n);
 
     // +1 for terminating NUL
     wxString result;
-    ListBox_GetText(GetHwnd(), N, result.GetWriteBuf(len + 1));
-    result.UngetWriteBuf();
+    ListBox_GetText(GetHwnd(), n, (wxChar*)wxStringBuffer(result, len + 1));
 
     return result;
 }
 
-// Windows-specific code to set the horizontal extent of the listbox, if
-// necessary. If s is non-NULL, it's used to calculate the horizontal extent.
-// Otherwise, all strings are used.
-void wxListBox::SetHorizontalExtent(const wxString& s)
+int wxListBox::DoInsertItems(const wxArrayStringsAdapter & items,
+                             unsigned int pos,
+                             void **clientData,
+                             wxClientDataType type)
 {
-    // Only necessary if we want a horizontal scrollbar
-    if (!(m_windowStyle & wxHSCROLL))
-        return;
-    TEXTMETRIC lpTextMetric;
+    MSWAllocStorage(items, LB_INITSTORAGE);
 
-    if (s != T(""))
-    {
-        int existingExtent = (int)SendMessage(GetHwnd(), LB_GETHORIZONTALEXTENT, 0, 0L);
-        HDC dc = GetWindowDC(GetHwnd());
-        HFONT oldFont = 0;
-        if (GetFont().Ok() && GetFont().GetResourceHandle())
-            oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle());
-
-        GetTextMetrics(dc, &lpTextMetric);
-        SIZE extentXY;
-        ::GetTextExtentPoint(dc, (LPTSTR) (const wxChar *)s, s.Length(), &extentXY);
-        int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
+    const bool append = pos == GetCount();
 
-        if (oldFont)
-            ::SelectObject(dc, oldFont);
+    // we must use CB_ADDSTRING when appending as only it works correctly for
+    // the sorted controls
+    const unsigned msg = append ? LB_ADDSTRING : LB_INSERTSTRING;
 
-        ReleaseDC(GetHwnd(), dc);
-        if (extentX > existingExtent)
-            SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(extentX), 0L);
-        return;
-    }
-    else
+    if ( append )
+        pos = 0;
+
+    int n = wxNOT_FOUND;
+
+    const unsigned int numItems = items.GetCount();
+    for ( unsigned int i = 0; i < numItems; i++ )
     {
-        int largestExtent = 0;
-        HDC dc = GetWindowDC(GetHwnd());
-        HFONT oldFont = 0;
-        if (GetFont().Ok() && GetFont().GetResourceHandle())
-            oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle());
-
-        GetTextMetrics(dc, &lpTextMetric);
-        int i;
-        for (i = 0; i < m_noItems; i++)
+        n = MSWInsertOrAppendItem(pos, items[i], msg);
+        if ( n == wxNOT_FOUND )
+            return n;
+
+        if ( !append )
+            pos++;
+
+        ++m_noItems;
+
+#if wxUSE_OWNER_DRAWN
+        if ( HasFlag(wxLB_OWNERDRAW) )
         {
-            int len = (int)SendMessage(GetHwnd(), LB_GETTEXT, i, (LONG)wxBuffer);
-            wxBuffer[len] = 0;
-            SIZE extentXY;
-            ::GetTextExtentPoint(dc, (LPTSTR)wxBuffer, len, &extentXY);
-            int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
-            if (extentX > largestExtent)
-                largestExtent = extentX;
+            wxOwnerDrawn *pNewItem = CreateLboxItem(n);
+            pNewItem->SetFont(GetFont());
+            m_aItems.Insert(pNewItem, n);
         }
-        if (oldFont)
-            ::SelectObject(dc, oldFont);
-
-        ReleaseDC(GetHwnd(), dc);
-        SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(largestExtent), 0L);
+#endif // wxUSE_OWNER_DRAWN
+        AssignNewItemClientData(n, clientData, i, type);
     }
+
+    MSWOnItemsChanged();
+
+    UpdateOldSelections();
+
+    return n;
 }
 
-void
-wxListBox::InsertItems(int nItems, const wxString items[], int pos)
+int wxListBox::DoHitTestList(const wxPoint& point) const
 {
-    wxCHECK_RET( pos >= 0 && pos <= m_noItems,
-                 T("invalid index in wxListBox::InsertItems") );
+    LRESULT lRes = ::SendMessage(GetHwnd(), LB_ITEMFROMPOINT,
+                                 0, MAKELPARAM(point.x, point.y));
 
-    int i;
-    for (i = 0; i < nItems; i++)
-        ListBox_InsertString(GetHwnd(), i + pos, items[i]);
-    m_noItems += nItems;
-
-    SetHorizontalExtent(T(""));
+    // non zero high-order word means that this item is outside of the client
+    // area, IOW the point is outside of the listbox
+    return HIWORD(lRes) ? wxNOT_FOUND : LOWORD(lRes);
 }
 
-void wxListBox::SetString(int N, const wxString& s)
+void wxListBox::SetString(unsigned int n, const wxString& s)
 {
-    wxCHECK_RET( N >= 0 && N < m_noItems,
-                 T("invalid index in wxListBox::SetString") );
+    wxCHECK_RET( IsValid(n),
+                 wxT("invalid index in wxListBox::SetString") );
 
-    int sel = -1;
-    if (!(m_windowStyle & wxLB_MULTIPLE) && !(m_windowStyle & wxLB_EXTENDED))
-        sel = GetSelection();
+    // remember the state of the item
+    bool wasSelected = IsSelected(n);
 
-    void *oldData = wxListBox::GetClientData(N);
+    void *oldData = NULL;
+    wxClientData *oldObjData = NULL;
+    if ( HasClientUntypedData() )
+        oldData = GetClientData(n);
+    else if ( HasClientObjectData() )
+        oldObjData = GetClientObject(n);
 
-    SendMessage(GetHwnd(), LB_DELETESTRING, N, 0);
+    // delete and recreate it
+    SendMessage(GetHwnd(), LB_DELETESTRING, n, 0);
 
-    int newN = N;
-    if (N == (m_noItems - 1))
+    int newN = n;
+    if ( n == (m_noItems - 1) )
         newN = -1;
 
-    SendMessage(GetHwnd(), LB_INSERTSTRING, newN, (LPARAM) (const wxChar *)s);
-    if (oldData)
-        wxListBox::SetClientData(N, oldData);
+    ListBox_InsertString(GetHwnd(), newN, s.wx_str());
 
-    // Selection may have changed
-    if (sel >= 0)
-        SetSelection(sel);
+    // restore the client data
+    if ( oldData )
+        SetClientData(n, oldData);
+    else if ( oldObjData )
+        SetClientObject(n, oldObjData);
 
-#if       wxUSE_OWNER_DRAWN
-    if ( m_windowStyle & wxLB_OWNERDRAW )
-        // update item's text
-        m_aItems[N]->SetName(s);
-#endif  //USE_OWNER_DRAWN
+    // we may have lost the selection
+    if ( wasSelected )
+        Select(n);
+
+    MSWOnItemsChanged();
 }
 
-int wxListBox::Number () const
+unsigned int wxListBox::GetCount() const
 {
     return m_noItems;
 }
 
-// For single selection items only
-wxString wxListBox::GetStringSelection () const
-{
-    int sel = GetSelection ();
-    if (sel > -1)
-        return this->GetString (sel);
-    else
-        return wxString("");
-}
+// ----------------------------------------------------------------------------
+// size-related stuff
+// ----------------------------------------------------------------------------
 
-bool wxListBox::SetStringSelection (const wxString& s, bool flag)
+void wxListBox::SetHorizontalExtent(const wxString& s)
 {
-    int sel = FindString (s);
-    if (sel > -1)
+    // the rest is only necessary if we want a horizontal scrollbar
+    if ( !HasFlag(wxHSCROLL) )
+        return;
+
+
+    WindowHDC dc(GetHwnd());
+    SelectInHDC selFont(dc, GetHfontOf(GetFont()));
+
+    TEXTMETRIC lpTextMetric;
+    ::GetTextMetrics(dc, &lpTextMetric);
+
+    int largestExtent = 0;
+    SIZE extentXY;
+
+    if ( s.empty() )
     {
-        SetSelection (sel, flag);
-        return TRUE;
+        // set extent to the max length of all strings
+        for ( unsigned int i = 0; i < m_noItems; i++ )
+        {
+            const wxString str = GetString(i);
+            ::GetTextExtentPoint32(dc, str.c_str(), str.length(), &extentXY);
+
+            int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
+            if ( extentX > largestExtent )
+                largestExtent = extentX;
+        }
     }
-    else
-        return FALSE;
+    else // just increase the extent to the length of this string
+    {
+        int existingExtent = (int)SendMessage(GetHwnd(),
+                                              LB_GETHORIZONTALEXTENT, 0, 0L);
+
+        ::GetTextExtentPoint32(dc, s.c_str(), s.length(), &extentXY);
+
+        int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
+        if ( extentX > existingExtent )
+            largestExtent = extentX;
+    }
+
+    if ( largestExtent )
+        SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(largestExtent), 0L);
+    //else: it shouldn't change
 }
 
-wxSize wxListBox::DoGetBestSize()
+wxSize wxListBox::DoGetBestClientSize() const
 {
     // find the widest string
     int wLine;
     int wListbox = 0;
-    for ( int i = 0; i < m_noItems; i++ )
+    for (unsigned int i = 0; i < m_noItems; i++)
     {
         wxString str(GetString(i));
         GetTextExtent(str, &wLine, NULL);
@@ -672,74 +554,158 @@ wxSize wxListBox::DoGetBestSize()
         wListbox = 100;
 
     // the listbox should be slightly larger than the widest string
-    int cx, cy;
-    wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+    wListbox += 3*GetCharWidth();
 
-    wListbox += 3*cx;
+    // add room for the scrollbar
+    wListbox += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
 
-    int hListbox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)*(wxMax(m_noItems, 7));
+    // don't make the listbox too tall (limit height to 10 items) but don't
+    // make it too small neither
+    int hListbox = SendMessage(GetHwnd(), LB_GETITEMHEIGHT, 0, 0)*
+                    wxMin(wxMax(m_noItems, 3), 10);
 
     return wxSize(wListbox, hListbox);
 }
 
-// Is this the right thing? Won't setselection generate a command
-// event too? No! It'll just generate a setselection event.
-// But we still can't have this being called whenever a real command
-// is generated, because it sets the selection, which will already
-// have been done! (Unless we have an optional argument for calling
-// by the actual window system, or a separate function, ProcessCommand)
-void wxListBox::Command (wxCommandEvent & event)
+// ----------------------------------------------------------------------------
+// callbacks
+// ----------------------------------------------------------------------------
+
+bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 {
-    if (event.m_extraLong)
-        SetSelection (event.m_commandInt);
+    wxEventType evtType;
+    int n = wxNOT_FOUND;
+    if ( param == LBN_SELCHANGE )
+    {
+        if ( HasMultipleSelection() )
+            return CalcAndSendEvent();
+
+        evtType = wxEVT_COMMAND_LISTBOX_SELECTED;
+
+        if ( m_selectedByKeyboard )
+        {
+            // We shouldn't use the mouse position to find the item as mouse
+            // can be anywhere, ask the listbox itself. Notice that this can't
+            // be used when the item is selected using the mouse however as
+            // LB_GETCARETINDEX will always return a valid item, even if the
+            // mouse is clicked below all the items, which is why we find the
+            // item ourselves below in this case.
+            n = SendMessage(GetHwnd(), LB_GETCARETINDEX, 0, 0);
+        }
+        //else: n will be determined below from the mouse position
+    }
+    else if ( param == LBN_DBLCLK )
+    {
+        evtType = wxEVT_COMMAND_LISTBOX_DOUBLECLICKED;
+    }
     else
     {
-        Deselect (event.m_commandInt);
-        return;
+        // some event we're not interested in
+        return false;
+    }
+
+    // Find the item position if it was a mouse-generated selection event or a
+    // double click event (which is always generated using the mouse)
+    if ( n == wxNOT_FOUND )
+    {
+        const DWORD pos = ::GetMessagePos();
+        const wxPoint pt(GET_X_LPARAM(pos), GET_Y_LPARAM(pos));
+        n = HitTest(ScreenToClient(wxPoint(pt)));
     }
-    ProcessCommand (event);
+
+    // We get events even when mouse is clicked outside of any valid item from
+    // Windows, just ignore them.
+    if ( n == wxNOT_FOUND )
+       return false;
+
+    if ( param == LBN_SELCHANGE )
+    {
+        if ( !DoChangeSingleSelection(n) )
+            return false;
+    }
+
+    // Do generate an event otherwise.
+    return SendEvent(evtType, n, true /* selection */);
 }
 
-WXHBRUSH wxListBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
-        WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+WXLRESULT
+wxListBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 {
-#if wxUSE_CTL3D
-    if ( m_useCtl3D )
+    // Remember whether there was a keyboard or mouse event before
+    // LBN_SELCHANGE: this allows us to correctly determine the item affected
+    // by it in MSWCommand() above in any case.
+    if ( WM_KEYFIRST <= nMsg && nMsg <= WM_KEYLAST )
+        m_selectedByKeyboard = true;
+    else if ( WM_MOUSEFIRST <= nMsg && nMsg <= WM_MOUSELAST )
+        m_selectedByKeyboard = false;
+
+    return wxListBoxBase::MSWWindowProc(nMsg, wParam, lParam);
+}
+
+// ----------------------------------------------------------------------------
+// owner-drawn list boxes support
+// ----------------------------------------------------------------------------
+
+#if wxUSE_OWNER_DRAWN
+
+// misc overloaded methods
+// -----------------------
+
+bool wxListBox::SetFont(const wxFont &font)
+{
+    if ( HasFlag(wxLB_OWNERDRAW) )
     {
-        HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
-        return (WXHBRUSH) hbrush;
+        const unsigned count = m_aItems.GetCount();
+        for ( unsigned i = 0; i < count; i++ )
+            m_aItems[i]->SetFont(font);
     }
-#endif
 
-    if (GetParent()->GetTransparentBackground())
-        SetBkMode((HDC) pDC, TRANSPARENT);
-    else
-        SetBkMode((HDC) pDC, OPAQUE);
+    wxListBoxBase::SetFont(font);
 
-    ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
-    ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
+    return true;
+}
 
-    wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
+bool wxListBox::GetItemRect(size_t n, wxRect& rect) const
+{
+    wxCHECK_MSG( IsValid(n), false,
+                 wxT("invalid index in wxListBox::GetItemRect") );
 
-    // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
-    // has a zero usage count.
-    backgroundBrush->RealizeResource();
-    return (WXHBRUSH) backgroundBrush->GetResourceHandle();
+    RECT rc;
+
+    if ( ListBox_GetItemRect(GetHwnd(), n, &rc) != LB_ERR )
+    {
+        rect = wxRectFromRECT(rc);
+        return true;
+    }
+    else
+    {
+        // couldn't retrieve rect: for example, item isn't visible
+        return false;
+    }
 }
 
-long wxListBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+bool wxListBox::RefreshItem(size_t n)
 {
-    return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+    wxRect rect;
+    if ( !GetItemRect(n, rect) )
+        return false;
+
+    RECT rc;
+    wxCopyRectToRECT(rect, rc);
+
+    return ::InvalidateRect((HWND)GetHWND(), &rc, FALSE) == TRUE;
 }
 
-#if wxUSE_OWNER_DRAWN
 
 // drawing
 // -------
 
-// space beneath/above each row in pixels
-// "standard" checklistbox use 1 here, some might prefer 2. 0 is ugly.
-#define OWNER_DRAWN_LISTBOX_EXTRA_SPACE    (1)
+namespace
+{
+    // space beneath/above each row in pixels
+    static const int LISTBOX_EXTRA_SPACE = 1;
+
+} // anonymous namespace
 
 // the height is the same for all items
 // TODO should be changed for LBS_OWNERDRAWVARIABLE style listboxes
@@ -749,43 +715,54 @@ long wxListBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
 {
     // only owner-drawn control should receive this message
-    wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE );
+    wxCHECK( HasFlag(wxLB_OWNERDRAW), false );
 
     MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
 
-    wxDC dc;
-    dc.SetHDC((WXHDC)CreateIC(T("DISPLAY"), NULL, NULL, 0));
-    dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT));
+#ifdef __WXWINCE__
+    HDC hdc = GetDC(NULL);
+#else
+    HDC hdc = CreateIC(wxT("DISPLAY"), NULL, NULL, 0);
+#endif
+
+    {
+        wxDCTemp dc((WXHDC)hdc);
+        dc.SetFont(GetFont());
+
+        pStruct->itemHeight = dc.GetCharHeight() + 2 * LISTBOX_EXTRA_SPACE;
+        pStruct->itemWidth  = dc.GetCharWidth();
+    }
 
-    pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE;
-    pStruct->itemWidth  = dc.GetCharWidth();
+#ifdef __WXWINCE__
+    ReleaseDC(NULL, hdc);
+#else
+    DeleteDC(hdc);
+#endif
 
-    return TRUE;
+    return true;
 }
 
 // forward the message to the appropriate item
 bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
 {
     // only owner-drawn control should receive this message
-    wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE );
+    wxCHECK( HasFlag(wxLB_OWNERDRAW), false );
 
     DRAWITEMSTRUCT *pStruct = (DRAWITEMSTRUCT *)item;
 
-    long data = ListBox_GetItemData(GetHwnd(), pStruct->itemID);
-
-    wxCHECK( data && (data != LB_ERR), FALSE );
+    // the item may be -1 for an empty listbox
+    if ( pStruct->itemID == (UINT)-1 )
+        return false;
 
-    wxListBoxItem *pItem = (wxListBoxItem *)data;
+    wxListBoxItem *pItem = (wxListBoxItem *)m_aItems[pStruct->itemID];
 
-    wxDC dc;
-    dc.SetHDC((WXHDC)pStruct->hDC, FALSE);
-    wxRect rect(wxPoint(pStruct->rcItem.left, pStruct->rcItem.top),
-            wxPoint(pStruct->rcItem.right, pStruct->rcItem.bottom));
+    wxDCTemp dc((WXHDC)pStruct->hDC);
 
-    return pItem->OnDrawItem(dc, rect,
-            (wxOwnerDrawn::wxODAction)pStruct->itemAction,
-            (wxOwnerDrawn::wxODStatus)pStruct->itemState);
+    return pItem->OnDrawItem(dc, wxRectFromRECT(pStruct->rcItem),
+                             (wxOwnerDrawn::wxODAction)pStruct->itemAction,
+                             (wxOwnerDrawn::wxODStatus)(pStruct->itemState | wxOwnerDrawn::wxODHidePrefix));
 }
 
-#endif
-    // wxUSE_OWNER_DRAWN
+#endif // wxUSE_OWNER_DRAWN
+
+#endif // wxUSE_LISTBOX