]> git.saurik.com Git - wxWidgets.git/blobdiff - src/propgrid/advprops.cpp
Update OpenVMS compile support
[wxWidgets.git] / src / propgrid / advprops.cpp
index e325cf9e1ece82c02a9e20db4065ce231fa6d107..5c5a2e99fa81f9551ca567dbd08d325ad019c5ad 100644 (file)
@@ -4,7 +4,7 @@
 // Author:      Jaakko Salli
 // Modified by:
 // Created:     2004-09-25
-// RCS-ID:      $Id:
+// RCS-ID:      $Id$
 // Copyright:   (c) Jaakko Salli
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
 #define __wxPG_SOURCE_FILE__
 
-#include <wx/propgrid/propgrid.h>
+#include "wx/propgrid/propgrid.h"
 
 #if wxPG_INCLUDE_ADVPROPS
 
-#include <wx/propgrid/advprops.h>
+#include "wx/propgrid/advprops.h"
 
 #ifdef __WXMSW__
-    #include <wx/msw/private.h>
-    #include <wx/msw/dc.h>
+    #include "wx/msw/private.h"
+    #include "wx/msw/dc.h"
 #endif
 
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
 
 
-bool operator == (const wxFont&, const wxFont&)
-{
-    return false;
-}
-
 // Implement dynamic class for type value.
 IMPLEMENT_DYNAMIC_CLASS(wxColourPropertyValue, wxObject)
 
@@ -113,9 +108,134 @@ bool operator == (const wxArrayInt& array1, const wxArrayInt& array2)
 #if wxUSE_SPINBTN
 
 
-// This macro also defines global wxPGEditor_SpinCtrl for storing
-// the singleton class instance.
-WX_PG_IMPLEMENT_EDITOR_CLASS(SpinCtrl,wxPGSpinCtrlEditor,wxPGEditor)
+#ifdef __WXMSW__
+  #define IS_MOTION_SPIN_SUPPORTED  1
+#else
+  #define IS_MOTION_SPIN_SUPPORTED  0
+#endif
+
+#if IS_MOTION_SPIN_SUPPORTED
+
+//
+// This class implements ability to rapidly change "spin" value
+// by moving mouse when one of the spin buttons is depressed.
+class wxPGSpinButton : public wxSpinButton
+{
+public:
+    wxPGSpinButton() : wxSpinButton()
+    {
+        m_bLeftDown = false;
+        m_hasCapture = false;
+        m_spins = 1;
+
+        Connect( wxEVT_LEFT_DOWN,
+                 wxMouseEventHandler(wxPGSpinButton::OnMouseEvent) );
+        Connect( wxEVT_LEFT_UP,
+                 wxMouseEventHandler(wxPGSpinButton::OnMouseEvent) );
+        Connect( wxEVT_MOTION,
+                 wxMouseEventHandler(wxPGSpinButton::OnMouseEvent) );
+        Connect( wxEVT_MOUSE_CAPTURE_LOST,
+          wxMouseCaptureLostEventHandler(wxPGSpinButton::OnMouseCaptureLost) );
+    }
+
+    int GetSpins() const
+    {
+        return m_spins;
+    }
+
+private:
+    wxPoint m_ptPosition;
+
+    // Having a separate spins variable allows us to handle validation etc. for
+    // multiple spin events at once (with quick mouse movements there could be
+    // hundreds of 'spins' being done at once). Technically things like this
+    // should be stored in event (wxSpinEvent in this case), but there probably
+    // isn't anything there that can be reliably reused.
+    int     m_spins;
+
+    bool    m_bLeftDown;
+
+    // SpinButton seems to be a special for mouse capture, so we may need track
+    // privately whether mouse is actually captured.
+    bool    m_hasCapture;
+
+    void Capture()
+    {
+        if ( !m_hasCapture )
+        {
+            CaptureMouse();
+            m_hasCapture = true;
+        }
+
+        SetCursor(wxCURSOR_SIZENS);
+    }
+    void Release()
+    {
+        m_bLeftDown = false;
+
+        if ( m_hasCapture )
+        {
+            ReleaseMouse();
+            m_hasCapture = false;
+        }
+
+        wxWindow *parent = GetParent();
+        if ( parent )
+            SetCursor(parent->GetCursor());
+        else
+            SetCursor(wxNullCursor);
+    }
+
+    void OnMouseEvent(wxMouseEvent& event)
+    {
+        if ( event.GetEventType() == wxEVT_LEFT_DOWN )
+        {
+            m_bLeftDown = true;
+            m_ptPosition = event.GetPosition();
+        }
+        else if ( event.GetEventType() == wxEVT_LEFT_UP )
+        {
+            Release();
+            m_bLeftDown = false;
+        }
+        else if ( event.GetEventType() == wxEVT_MOTION )
+        {
+            if ( m_bLeftDown )
+            {
+                int dy = m_ptPosition.y - event.GetPosition().y;
+                if ( dy )
+                {
+                    Capture();
+                    m_ptPosition = event.GetPosition();
+
+                    wxSpinEvent evtscroll( (dy >= 0) ? wxEVT_SCROLL_LINEUP :
+                                                       wxEVT_SCROLL_LINEDOWN,
+                                           GetId() );
+                    evtscroll.SetEventObject(this);
+
+                    wxASSERT( m_spins == 1 );
+
+                    m_spins = abs(dy);
+                    GetEventHandler()->ProcessEvent(evtscroll);
+                    m_spins = 1;
+                }
+            }
+        }
+
+        event.Skip();
+    }
+    void OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
+    {
+        Release();
+    }
+};
+
+#endif  // IS_MOTION_SPIN_SUPPORTED
+
+
+WX_PG_IMPLEMENT_INTERNAL_EDITOR_CLASS(SpinCtrl,
+                                      wxPGSpinCtrlEditor,
+                                      wxPGEditor)
 
 
 // Trivial destructor.
@@ -133,7 +253,19 @@ wxPGWindowList wxPGSpinCtrlEditor::CreateControls( wxPropertyGrid* propgrid, wxP
     wxSize tcSz(sz.x - butSz.x - margin, sz.y);
     wxPoint butPos(pos.x + tcSz.x + margin, pos.y);
 
-    wxSpinButton* wnd2 = new wxSpinButton();
+    wxSpinButton* wnd2;
+
+#if IS_MOTION_SPIN_SUPPORTED
+    if ( property->GetAttributeAsLong(wxT("MotionSpin"), 0) )
+    {
+        wnd2 = new wxPGSpinButton();
+    }
+    else
+#endif
+    {
+        wnd2 = new wxSpinButton();
+    }
+
 #ifdef __WXMSW__
     wnd2->Hide();
 #endif
@@ -142,16 +274,6 @@ wxPGWindowList wxPGSpinCtrlEditor::CreateControls( wxPropertyGrid* propgrid, wxP
     wnd2->SetRange( INT_MIN, INT_MAX );
     wnd2->SetValue( 0 );
 
-    propgrid->Connect( wxPG_SUBID2, wxEVT_SCROLL_LINEUP,
-                       (wxObjectEventFunction) (wxEventFunction) (wxCommandEventFunction)
-                       &wxPropertyGrid::OnCustomEditorEvent, NULL, propgrid );
-    propgrid->Connect( wxPG_SUBID2, wxEVT_SCROLL_LINEDOWN,
-                       (wxObjectEventFunction) (wxEventFunction) (wxCommandEventFunction)
-                       &wxPropertyGrid::OnCustomEditorEvent, NULL, propgrid );
-    propgrid->Connect( wxPG_SUBID1, wxEVT_KEY_DOWN,
-                       (wxObjectEventFunction) (wxEventFunction) (wxCommandEventFunction)
-                       &wxPropertyGrid::OnCustomEditorEvent, NULL, propgrid );
-
     // Let's add validator to make sure only numbers can be entered
     wxTextValidator validator(wxFILTER_NUMERIC, &m_tempString);
 
@@ -167,6 +289,7 @@ bool wxPGSpinCtrlEditor::OnEvent( wxPropertyGrid* propgrid, wxPGProperty* proper
 {
     int evtType = event.GetEventType();
     int keycode = -1;
+    int spins = 1;
     bool bigStep = false;
 
     if ( evtType == wxEVT_KEY_DOWN )
@@ -192,6 +315,17 @@ bool wxPGSpinCtrlEditor::OnEvent( wxPropertyGrid* propgrid, wxPGProperty* proper
 
     if ( evtType == wxEVT_SCROLL_LINEUP || evtType == wxEVT_SCROLL_LINEDOWN )
     {
+    #if IS_MOTION_SPIN_SUPPORTED
+        if ( property->GetAttributeAsLong(wxT("MotionSpin"), 0) )
+        {
+            wxPGSpinButton* spinButton =
+                (wxPGSpinButton*) propgrid->GetEditorControlSecondary();
+
+            if ( spinButton )
+                spins = spinButton->GetSpins();
+        }
+    #endif
+
         wxString s;
         // Can't use wnd since it might be clipper window
         wxTextCtrl* tc = wxDynamicCast(propgrid->GetEditorControl(), wxTextCtrl);
@@ -217,6 +351,8 @@ bool wxPGSpinCtrlEditor::OnEvent( wxPropertyGrid* propgrid, wxPGProperty* proper
                 if ( bigStep )
                     step *= 10.0;
 
+                step *= (double) spins;
+
                 if ( evtType == wxEVT_SCROLL_LINEUP ) v_d += step;
                 else v_d -= step;
 
@@ -241,6 +377,8 @@ bool wxPGSpinCtrlEditor::OnEvent( wxPropertyGrid* propgrid, wxPGProperty* proper
                 if ( bigStep )
                     step *= 10;
 
+                step *= spins;
+
                 if ( evtType == wxEVT_SCROLL_LINEUP ) v_ll += step;
                 else v_ll -= step;
 
@@ -279,17 +417,20 @@ bool wxPGSpinCtrlEditor::OnEvent( wxPropertyGrid* propgrid, wxPGProperty* proper
 #if wxUSE_DATEPICKCTRL
 
 
-#include <wx/datectrl.h>
-#include <wx/dateevt.h>
+#include "wx/datectrl.h"
+#include "wx/dateevt.h"
 
 class wxPGDatePickerCtrlEditor : public wxPGEditor
 {
-    WX_PG_DECLARE_EDITOR_CLASS(wxPGDatePickerCtrlEditor)
+    DECLARE_DYNAMIC_CLASS(wxPGDatePickerCtrlEditor)
 public:
     virtual ~wxPGDatePickerCtrlEditor();
 
-    wxPG_DECLARE_CREATECONTROLS
-
+    wxString GetName() const;
+    virtual wxPGWindowList CreateControls(wxPropertyGrid* propgrid,
+                                          wxPGProperty* property,
+                                          const wxPoint& pos,
+                                          const wxSize& size) const;
     virtual void UpdateControl( wxPGProperty* property, wxWindow* wnd ) const;
     virtual bool OnEvent( wxPropertyGrid* propgrid, wxPGProperty* property,
         wxWindow* wnd, wxEvent& event ) const;
@@ -298,7 +439,9 @@ public:
 };
 
 
-WX_PG_IMPLEMENT_EDITOR_CLASS(DatePickerCtrl,wxPGDatePickerCtrlEditor,wxPGEditor)
+WX_PG_IMPLEMENT_INTERNAL_EDITOR_CLASS(DatePickerCtrl,
+                                      wxPGDatePickerCtrlEditor,
+                                      wxPGEditor)
 
 
 wxPGDatePickerCtrlEditor::~wxPGDatePickerCtrlEditor()
@@ -325,20 +468,20 @@ wxPGWindowList wxPGDatePickerCtrlEditor::CreateControls( wxPropertyGrid* propgri
 #else
     wxSize useSz = sz;
 #endif
+
+    wxDateTime dateValue(wxInvalidDateTime);
+
+    wxVariant value = prop->GetValue();
+    if ( value.GetType() == wxT("datetime") )
+        dateValue = value.GetDateTime();
+
     ctrl->Create(propgrid->GetPanel(),
                  wxPG_SUBID1,
-                 prop->GetDateValue(),
+                 dateValue,
                  pos,
                  useSz,
                  prop->GetDatePickerStyle() | wxNO_BORDER);
 
-    // Connect all required events to grid's OnCustomEditorEvent
-    // (all relevenat wxTextCtrl, wxComboBox and wxButton events are
-    // already connected)
-    propgrid->Connect( wxPG_SUBID1, wxEVT_DATE_CHANGED,
-                       (wxObjectEventFunction) (wxEventFunction) (wxCommandEventFunction)
-                       &wxPropertyGrid::OnCustomEditorEvent );
-
 #ifdef __WXMSW__
     ctrl->Show();
 #endif
@@ -393,8 +536,8 @@ void wxPGDatePickerCtrlEditor::SetValueToUnspecified( wxPGProperty* WXUNUSED(pro
 // wxFontProperty
 // -----------------------------------------------------------------------
 
-#include <wx/fontdlg.h>
-#include <wx/fontenum.h>
+#include "wx/fontdlg.h"
+#include "wx/fontenum.h"
 
 static const wxChar* gs_fp_es_family_labels[] = {
     wxT("Default"), wxT("Decorative"),
@@ -451,14 +594,7 @@ wxFontProperty::wxFontProperty( const wxString& label, const wxString& name,
     // Initialize font family choices list
     if ( !wxPGGlobalVars->m_fontFamilyChoices )
     {
-        wxFontEnumerator enumerator;
-        enumerator.EnumerateFacenames();
-
-#if wxMINOR_VERSION > 6
-        wxArrayString faceNames = enumerator.GetFacenames();
-#else
-        wxArrayString& faceNames = *enumerator.GetFacenames();
-#endif
+        wxArrayString faceNames = wxFontEnumerator::GetFacenames();
 
         faceNames.Sort();
 
@@ -470,6 +606,8 @@ wxFontProperty::wxFontProperty( const wxString& label, const wxString& name,
     wxFont font;
     font << m_value;
 
+    SetParentalType(wxPG_PROP_AGGREGATE);
+
     AddChild( new wxIntProperty( _("Point Size"), wxS("Point Size"),(long)font.GetPointSize() ) );
 
     AddChild( new wxEnumProperty(_("Family"), wxS("PointSize"),
@@ -513,9 +651,10 @@ void wxFontProperty::OnSetValue()
     }
 }
 
-wxString wxFontProperty::GetValueAsString( int argFlags ) const
+wxString wxFontProperty::ValueToString( wxVariant& value,
+                                        int argFlags ) const
 {
-    return wxPGProperty::GetValueAsString(argFlags);
+    return wxPGProperty::ValueToString(value, argFlags);
 }
 
 bool wxFontProperty::OnEvent( wxPropertyGrid* propgrid, wxWindow* WXUNUSED(primary),
@@ -524,11 +663,11 @@ bool wxFontProperty::OnEvent( wxPropertyGrid* propgrid, wxWindow* WXUNUSED(prima
     if ( propgrid->IsMainButtonEvent(event) )
     {
         // Update value from last minute changes
-        PrepareValueForDialogEditing(propgrid);
+        wxVariant useValue = propgrid->GetUncommittedPropertyValue();
 
         wxFontData data;
         wxFont font;
-        font << m_value;
+        font << useValue;
         data.SetInitialFont( font );
         data.SetColour(*wxBLACK);
 
@@ -663,7 +802,7 @@ void wxFontProperty::OnCustomPaint(wxDC& dc,
 // wxEnumProperty based classes cannot use wxPG_PROP_CLASS_SPECIFIC_1
 #define wxPG_PROP_HIDE_CUSTOM_COLOUR        wxPG_PROP_CLASS_SPECIFIC_2
 
-#include <wx/colordlg.h>
+#include "wx/colordlg.h"
 
 //#define wx_cp_es_syscolours_len 25
 static const wxChar* gs_cp_es_syscolour_labels[] = {
@@ -892,13 +1031,6 @@ int wxSystemColourProperty::ColToInd( const wxColour& colour ) const
     return wxNOT_FOUND;
 }
 
-
-static inline wxColour wxColourFromPGLong( long col )
-{
-    return wxColour((col&0xFF),((col>>8)&0xFF),((col>>16)&0xFF));
-}
-
-
 void wxSystemColourProperty::OnSetValue()
 {
     // Convert from generic wxobject ptr to wxPGVariantDataColour
@@ -924,7 +1056,7 @@ void wxSystemColourProperty::OnSetValue()
         m_value = TranslateVal(val);
     }
 
-    int ind;
+    int ind = wxNOT_FOUND;
 
     if ( m_value.GetType() == wxS("wxColourPropertyValue") )
     {
@@ -941,10 +1073,7 @@ void wxSystemColourProperty::OnSetValue()
 
         if ( cpv.m_type < wxPG_COLOUR_WEB_BASE )
         {
-            if ( m_choices.HasValues() )
-                ind = GetIndexForValue(cpv.m_type);
-            else
-                ind = ColToInd(col);
+            ind = GetIndexForValue(cpv.m_type);
         }
         else
         {
@@ -990,24 +1119,30 @@ wxString wxSystemColourProperty::ColourToString( const wxColour& col, int index
         return m_choices.GetLabel(index);
 }
 
-wxString wxSystemColourProperty::GetValueAsString( int argFlags ) const
+wxString wxSystemColourProperty::ValueToString( wxVariant& value,
+                                                int argFlags ) const
 {
-    wxColourPropertyValue val = GetVal();
+    wxColourPropertyValue val = GetVal(&value);
 
-    int ind = GetIndex();
+    int index;
 
-    // Always show custom colour for textctrl-editor
-    if ( val.m_type == wxPG_COLOUR_CUSTOM ||
-         ind == GetCustomColourIndex() ||
-         (argFlags & wxPG_PROPERTY_SPECIFIC) )
+    if ( argFlags & wxPG_VALUE_IS_CURRENT )
     {
-        return ColourToString(val.m_colour, wxNOT_FOUND);
+        // GetIndex() only works reliably if wxPG_VALUE_IS_CURRENT flag is set,
+        // but we should use it whenever possible.
+        index = GetIndex();
+
+        // If custom colour was selected, use invalid index, so that
+        // ColourToString() will return properly formatted colour text.
+        if ( index == GetCustomColourIndex() )
+            index = wxNOT_FOUND;
+    }
+    else
+    {
+        index = m_choices.Index(val.m_type);
     }
 
-    if ( ind == -1 )
-        return wxEmptyString;
-
-    return ColourToString(val.m_colour, ind);
+    return ColourToString(val.m_colour, index);
 }
 
 
@@ -1032,7 +1167,7 @@ bool wxSystemColourProperty::QueryColourFromUser( wxVariant& variant ) const
     wxASSERT( propgrid );
 
     // Must only occur when user triggers event
-    if ( !(propgrid->GetInternalFlags() & wxPG_FL_IN_ONCUSTOMEDITOREVENT) )
+    if ( !(propgrid->GetInternalFlags() & wxPG_FL_IN_HANDLECUSTOMEDITOREVENT) )
         return res;
 
     wxColourPropertyValue val = GetVal();
@@ -1069,14 +1204,9 @@ bool wxSystemColourProperty::QueryColourFromUser( wxVariant& variant ) const
 bool wxSystemColourProperty::IntToValue( wxVariant& variant, int number, int WXUNUSED(argFlags) ) const
 {
     int index = number;
-    int type = GetValueForIndex(index);
-    bool hasValue = m_choices[index].HasValue();
+    int type = m_choices.GetValue(index);
 
-    if ( ( hasValue && type == wxPG_COLOUR_CUSTOM ) ||
-         ( !hasValue && (index == (int)GetCustomColourIndex() &&
-                                      !(m_flags & wxPG_PROP_HIDE_CUSTOM_COLOUR))
-         )
-       )
+    if ( type == wxPG_COLOUR_CUSTOM )
     {
         QueryColourFromUser(variant);
     }
@@ -1234,7 +1364,7 @@ bool wxSystemColourProperty::StringToValue( wxVariant& value, const wxString& te
             if ( res && GetIndex() >= 0 )
             {
                 val.m_type = GetIndex();
-                if ( val.m_type >= 0 && val.m_type < m_choices.GetCount() && m_choices[val.m_type].HasValue() )
+                if ( val.m_type < m_choices.GetCount() )
                     val.m_type = m_choices[val.m_type].GetValue();
 
                 // Get proper colour for type.
@@ -1349,11 +1479,63 @@ static unsigned long gs_cp_es_normcolour_colours[] = {
     wxPG_COLOUR(0,0,0)
 };
 
-WX_PG_IMPLEMENT_CUSTOM_COLOUR_PROPERTY_USES_WXCOLOUR2(wxColourProperty,
-                                                     gs_cp_es_normcolour_labels,
-                                                     (const long*)NULL,
-                                                     gs_cp_es_normcolour_colours,
-                                                     TextCtrlAndButton)
+WX_PG_IMPLEMENT_PROPERTY_CLASS(wxColourProperty, wxSystemColourProperty,
+                               wxColour, const wxColour&, TextCtrlAndButton)
+
+static wxPGChoices gs_wxColourProperty_choicesCache;
+
+wxColourProperty::wxColourProperty( const wxString& label,
+                      const wxString& name,
+                      const wxColour& value )
+    : wxSystemColourProperty(label, name, gs_cp_es_normcolour_labels,
+                             NULL,
+                             &gs_wxColourProperty_choicesCache, value )
+{
+    Init( value );
+
+    m_flags |= wxPG_PROP_TRANSLATE_CUSTOM;
+}
+
+wxColourProperty::~wxColourProperty()
+{
+}
+
+void wxColourProperty::Init( wxColour colour )
+{
+    if ( !colour.Ok() )
+        colour = *wxWHITE;
+    wxVariant variant;
+    variant << colour;
+    m_value = variant;
+    int ind = ColToInd(colour);
+    if ( ind < 0 )
+        ind = m_choices.GetCount() - 1;
+    SetIndex( ind );
+}
+
+wxString wxColourProperty::ValueToString( wxVariant& value,
+                                          int argFlags ) const
+{
+    const wxPGEditor* editor = GetEditorClass();
+    if ( editor != wxPGEditor_Choice &&
+         editor != wxPGEditor_ChoiceAndButton &&
+         editor != wxPGEditor_ComboBox )
+        argFlags |= wxPG_PROPERTY_SPECIFIC;
+
+    return wxSystemColourProperty::ValueToString(value, argFlags);
+}
+
+wxColour wxColourProperty::GetColour( int index ) const
+{
+    return gs_cp_es_normcolour_colours[m_choices.GetValue(index)];
+}
+
+wxVariant wxColourProperty::DoTranslateVal( wxColourPropertyValue& v ) const
+{
+    wxVariant variant;
+    variant << v.m_colour;
+    return variant;
+}
 
 // -----------------------------------------------------------------------
 // wxCursorProperty
@@ -1489,7 +1671,10 @@ void wxCursorProperty::OnCustomPaint( wxDC& dc,
                               0,
                               0,
                               NULL,
-                              DI_COMPAT | DI_DEFAULTSIZE | DI_NORMAL
+            #if !defined(__WXWINCE__)
+                              DI_COMPAT | DI_DEFAULTSIZE |
+            #endif
+                              DI_NORMAL
                             );
             #endif
             }
@@ -1527,7 +1712,7 @@ const wxString& wxPGGetDefaultImageWildcard()
 
         // Let's iterate over the image handler list.
         //for ( wxList::Node *node = handlers.GetFirst(); node; node = node->GetNext() )
-        for ( node = handlers.begin(); node != handlers.end(); node++ )
+        for ( node = handlers.begin(); node != handlers.end(); ++node )
         {
             wxImageHandler *handler = (wxImageHandler*)*node;
 
@@ -1586,10 +1771,12 @@ void wxImageFileProperty::OnSetValue()
         m_pBitmap = NULL;
     }
 
+    wxFileName filename = GetFileName();
+
     // Create the image thumbnail
-    if ( m_filename.FileExists() )
+    if ( filename.FileExists() )
     {
-        m_pImage = new wxImage( m_filename.GetFullPath() );
+        m_pImage = new wxImage( filename.GetFullPath() );
     }
 }
 
@@ -1633,7 +1820,7 @@ void wxImageFileProperty::OnCustomPaint( wxDC& dc,
 
 #if wxUSE_CHOICEDLG
 
-#include <wx/choicdlg.h>
+#include "wx/choicdlg.h"
 
 WX_PG_IMPLEMENT_PROPERTY_CLASS(wxMultiChoiceProperty,wxPGProperty,
                                wxArrayInt,const wxArrayInt&,TextCtrlAndButton)
@@ -1674,22 +1861,30 @@ wxMultiChoiceProperty::~wxMultiChoiceProperty()
 
 void wxMultiChoiceProperty::OnSetValue()
 {
-    GenerateValueAsString();
+    GenerateValueAsString(m_value, &m_display);
 }
 
-wxString wxMultiChoiceProperty::GetValueAsString( int ) const
+wxString wxMultiChoiceProperty::ValueToString( wxVariant& value,
+                                               int argFlags ) const
 {
-    return m_display;
+    // If possible, use cached string
+    if ( argFlags & wxPG_VALUE_IS_CURRENT )
+        return m_display;
+
+    wxString s;
+    GenerateValueAsString(value, &s);
+    return s;
 }
 
-void wxMultiChoiceProperty::GenerateValueAsString()
+void wxMultiChoiceProperty::GenerateValueAsString( wxVariant& value,
+                                                   wxString* target ) const
 {
     wxArrayString strings;
 
-    if ( m_value.GetType() == wxPG_VARIANT_TYPE_ARRSTRING )
-        strings = m_value.GetArrayString();
+    if ( value.GetType() == wxPG_VARIANT_TYPE_ARRSTRING )
+        strings = value.GetArrayString();
 
-    wxString& tempStr = m_display;
+    wxString& tempStr = *target;
     unsigned int i;
     unsigned int itemCount = strings.size();
 
@@ -1740,7 +1935,7 @@ bool wxMultiChoiceProperty::OnEvent( wxPropertyGrid* propgrid,
     if ( propgrid->IsMainButtonEvent(event) )
     {
         // Update the value
-        PrepareValueForDialogEditing(propgrid);
+        wxVariant useValue = propgrid->GetUncommittedPropertyValue();
 
         wxArrayString labels = m_choices.GetLabels();
         unsigned int choiceCount;
@@ -1760,7 +1955,7 @@ bool wxMultiChoiceProperty::OnEvent( wxPropertyGrid* propgrid,
 
         dlg.Move( propgrid->GetGoodEditorDialogPosition(this,dlg.GetSize()) );
 
-        wxArrayString strings = m_value.GetArrayString();
+        wxArrayString strings = useValue.GetArrayString();
         wxArrayString extraStrings;
 
         dlg.SetSelections(m_choices.GetIndicesForStrings(strings, &extraStrings));
@@ -1886,11 +2081,12 @@ bool wxDateProperty::StringToValue( wxVariant& variant, const wxString& text,
     return false;
 }
 
-wxString wxDateProperty::GetValueAsString( int argFlags ) const
+wxString wxDateProperty::ValueToString( wxVariant& value,
+                                        int argFlags ) const
 {
     const wxChar* format = (const wxChar*) NULL;
 
-    wxDateTime dateTime = m_value.GetDateTime();
+    wxDateTime dateTime = value.GetDateTime();
 
     if ( !dateTime.IsValid() )
         return wxT("Invalid");
@@ -1993,6 +2189,10 @@ void wxPropertyGridInterface::InitAllTypeHandlers()
 
 void wxPropertyGridInterface::RegisterAdditionalEditors()
 {
+    // Register editor classes, if necessary.
+    if ( wxPGGlobalVars->m_mapEditorClasses.empty() )
+        wxPropertyGrid::RegisterDefaultEditors();
+
 #if wxUSE_SPINBTN
     wxPGRegisterEditorClass(SpinCtrl);
 #endif