fixed setfocus() flicker in listctrl

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

diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp
index 06aae2979a05810c7a1bf13b0de80605caeabab3..93c6f176896511782aabc64a77d582a6c2b30919 100644 (file)
--- a/src/msw/listbox.cpp
+++ b/src/msw/listbox.cpp
@@ -50,7 +50,7 @@
 #ifndef __TWIN32__
     #if defined(__GNUWIN32__)
         #ifndef wxUSE_NORLANDER_HEADERS
 #ifndef __TWIN32__
     #if defined(__GNUWIN32__)
         #ifndef wxUSE_NORLANDER_HEADERS

-            #include <wx/msw/gnuwin32/extra.h>
+            #include "wx/msw/gnuwin32/extra.h"

         #endif
     #endif
 #endif
         #endif
     #endif
 #endif


@@ -230,12 +230,7 @@ bool wxListBox::Create(wxWindow *parent,
 
 wxListBox::~wxListBox()
 {
 
 wxListBox::~wxListBox()
 {

-#if wxUSE_OWNER_DRAWN
-    size_t uiCount = m_aItems.Count();
-    while ( uiCount-- != 0 ) {
-        delete m_aItems[uiCount];
-    }
-#endif // wxUSE_OWNER_DRAWN
+    Free();

 }
 
 void wxListBox::SetupColours()
 }
 
 void wxListBox::SetupColours()


@@ -261,15 +256,15 @@ void wxListBox::Delete(int N)
     wxCHECK_RET( N >= 0 && N < m_noItems,
                  wxT("invalid index in wxListBox::Delete") );
 
     wxCHECK_RET( N >= 0 && N < m_noItems,
                  wxT("invalid index in wxListBox::Delete") );
 

-#if wxUSE_OWNER_DRAWN
-    delete m_aItems[N];
-    m_aItems.Remove(N);
-#else // !wxUSE_OWNER_DRAWN
-    if ( HasClientObjectData() )
-    {
-        delete GetClientObject(N);
-    }
-#endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN
+    // for owner drawn objects, the data is used for storing wxOwnerDrawn
+    // pointers and we shouldn't touch it
+#if !wxUSE_OWNER_DRAWN
+    if ( !(m_windowStyle & wxLB_OWNERDRAW) )
+#endif // !wxUSE_OWNER_DRAWN
+        if ( HasClientObjectData() )
+        {
+            delete GetClientObject(N);
+        }

 
     SendMessage(GetHwnd(), LB_DELETESTRING, N, 0);
     m_noItems--;
 
     SendMessage(GetHwnd(), LB_DELETESTRING, N, 0);
     m_noItems--;


@@ -288,6 +283,7 @@ int wxListBox::DoAppend(const wxString& item)
         pNewItem->SetName(item);
         m_aItems.Add(pNewItem);
         ListBox_SetItemData(GetHwnd(), index, pNewItem);
         pNewItem->SetName(item);
         m_aItems.Add(pNewItem);
         ListBox_SetItemData(GetHwnd(), index, pNewItem);

+        pNewItem->SetFont(GetFont());

     }
 #endif
 
     }
 #endif
 


@@ -310,7 +306,7 @@ void wxListBox::DoSetItems(const wxArrayString& choices, void** clientData)
         if ( clientData )
         {
 #if wxUSE_OWNER_DRAWN
         if ( clientData )
         {
 #if wxUSE_OWNER_DRAWN

-            wxASSERT_MSG(clientData[ui] == NULL,
+            wxASSERT_MSG(clientData[i] == NULL,

                          wxT("Can't use client data with owner-drawn listboxes"));
 #else // !wxUSE_OWNER_DRAWN
             ListBox_SetItemData(GetHwnd(), i, clientData[i]);
                          wxT("Can't use client data with owner-drawn listboxes"));
 #else // !wxUSE_OWNER_DRAWN
             ListBox_SetItemData(GetHwnd(), i, clientData[i]);


@@ -352,15 +348,29 @@ int wxListBox::FindString(const wxString& s) const
 }
 
 void wxListBox::Clear()
 }
 
 void wxListBox::Clear()

+{
+    Free();
+
+    ListBox_ResetContent(GetHwnd());
+
+    m_noItems = 0;
+    SetHorizontalExtent();
+}
+
+void wxListBox::Free()

 {
 #if wxUSE_OWNER_DRAWN
 {
 #if wxUSE_OWNER_DRAWN

-    size_t uiCount = m_aItems.Count();
-    while ( uiCount-- != 0 ) {
-        delete m_aItems[uiCount];
-    }
+    if ( m_windowStyle & wxLB_OWNERDRAW )
+    {
+        size_t uiCount = m_aItems.Count();
+        while ( uiCount-- != 0 ) {
+            delete m_aItems[uiCount];
+        }

 
 

-    m_aItems.Clear();
-#else // !wxUSE_OWNER_DRAWN
+        m_aItems.Clear();
+    }
+    else
+#endif // wxUSE_OWNER_DRAWN

     if ( HasClientObjectData() )
     {
         for ( size_t n = 0; n < (size_t)m_noItems; n++ )
     if ( HasClientObjectData() )
     {
         for ( size_t n = 0; n < (size_t)m_noItems; n++ )


@@ -368,12 +378,6 @@ void wxListBox::Clear()
             delete GetClientObject(n);
         }
     }
             delete GetClientObject(n);
         }
     }

-#endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN
-
-    ListBox_ResetContent(GetHwnd());
-
-    m_noItems = 0;
-    SetHorizontalExtent();

 }
 
 void wxListBox::SetSelection(int N, bool select)
 }
 
 void wxListBox::SetSelection(int N, bool select)


@@ -620,7 +624,7 @@ void wxListBox::SetHorizontalExtent(const wxString& s)
     }
 }
 
     }
 }
 

-wxSize wxListBox::DoGetBestSize()
+wxSize wxListBox::DoGetBestSize() const

 {
     // find the widest string
     int wLine;
 {
     // find the widest string
     int wLine;


@@ -655,44 +659,39 @@ wxSize wxListBox::DoGetBestSize()
 
 bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 {
 
 bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 {

-    /*
-       if (param == LBN_SELCANCEL)
-       {
-       event.extraLong = FALSE;
-       }
-     */
-    if (param == LBN_SELCHANGE)
+    if ( param == LBN_SELCHANGE )

     {
         wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
     {
         wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);

+        event.SetEventObject( this );
+

         wxArrayInt aSelections;
         wxArrayInt aSelections;

-        int count = GetSelections(aSelections);
+        int n, count = GetSelections(aSelections);

         if ( count > 0 )
         {
         if ( count > 0 )
         {

-            event.m_commandInt = aSelections[0];
-            event.m_clientData = GetClientData(event.m_commandInt);
-            wxString str(GetString(event.m_commandInt));
-            if (str != wxT(""))
-            {
-               event.m_commandString = str;
-            }
+            n = aSelections[0];
+            if ( HasClientObjectData() )
+                event.SetClientObject( GetClientObject(n) );
+            else if ( HasClientUntypedData() )
+                event.SetClientData( GetClientData(n) );
+            event.SetString( GetString(n) );

         }
         else
         {
         }
         else
         {

-            event.m_commandInt = -1;
-            event.m_commandString.Empty();
+            n = -1;

         }
 
         }
 

-        event.SetEventObject( this );
-        ProcessCommand(event);
-        return TRUE;
+        event.m_commandInt = n;
+
+        return GetEventHandler()->ProcessEvent(event);

     }
     }

-    else if (param == LBN_DBLCLK)
+    else if ( param == LBN_DBLCLK )

     {
         wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
         event.SetEventObject( this );
     {
         wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
         event.SetEventObject( this );

-        GetEventHandler()->ProcessEvent(event);
-        return TRUE;
+
+        return GetEventHandler()->ProcessEvent(event);

     }
     }

+    //else:

 
     return FALSE;
 }
 
     return FALSE;
 }


@@ -749,13 +748,19 @@ bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
 
     MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
 
 
     MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
 

+    HDC hdc = CreateIC(wxT("DISPLAY"), NULL, NULL, 0);
+

     wxDC dc;
     wxDC dc;

-    dc.SetHDC((WXHDC)CreateIC(wxT("DISPLAY"), NULL, NULL, 0));
+    dc.SetHDC((WXHDC)hdc);

     dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT));
 
     pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE;
     pStruct->itemWidth  = dc.GetCharWidth();
 
     dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT));
 
     pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE;
     pStruct->itemWidth  = dc.GetCharWidth();
 

+    dc.SetHDC(0);
+
+    DeleteDC(hdc);
+

     return TRUE;
 }
 
     return TRUE;
 }