]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/dnd/dnd.cpp
Minor changes, just trim trailing spaces in webview code.
[wxWidgets.git] / samples / dnd / dnd.cpp
index 8490b93ee090c849de74a4b75a3f5b70042b9704..62b65b9d9e4fd029878207e80d7d68f6ea7bd392 100644 (file)
 #include "wx/wx.h"
 #endif
 
-#if !wxUSE_DRAG_AND_DROP
-    #error This sample requires drag and drop support in the library
-#endif
-
-#include "wx/intl.h"
-#include "wx/log.h"
-
 #include "wx/dnd.h"
-#include "wx/dirdlg.h"
-#include "wx/filedlg.h"
+#include "wx/dataobj.h"
 #include "wx/image.h"
 #include "wx/clipbrd.h"
 #include "wx/colordlg.h"
-#include "wx/resource.h"
-
-#if defined(__WXGTK__) || defined(__WXMOTIF__)
-    #include "mondrian.xpm"
+#include "wx/metafile.h"
+#include "wx/dirctrl.h"
+
+#ifndef wxHAS_IMAGES_IN_RESOURCES
+    #include "../sample.xpm"
+#if wxUSE_DRAG_AND_DROP
+    #include "dnd_copy.xpm"
+    #include "dnd_move.xpm"
+    #include "dnd_none.xpm"
+#endif
 #endif
 
+#if wxUSE_DRAG_AND_DROP
+
 // ----------------------------------------------------------------------------
 // Derive two simple classes which just put in the listbox the strings (text or
 // file names) we drop on them
@@ -57,7 +57,7 @@ private:
 class DnDFile : public wxFileDropTarget
 {
 public:
-    DnDFile(wxListBox *pOwner) { m_pOwner = pOwner; }
+    DnDFile(wxListBox *pOwner = NULL) { m_pOwner = pOwner; }
 
     virtual bool OnDropFiles(wxCoord x, wxCoord y,
                              const wxArrayString& filenames);
@@ -66,6 +66,44 @@ private:
     wxListBox *m_pOwner;
 };
 
+// ----------------------------------------------------------------------------
+// Define a custom dtop target accepting URLs
+// ----------------------------------------------------------------------------
+
+class URLDropTarget : public wxDropTarget
+{
+public:
+    URLDropTarget() { SetDataObject(new wxURLDataObject); }
+
+    void OnDropURL(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxString& text)
+    {
+        // of course, a real program would do something more useful here...
+        wxMessageBox(text, wxT("wxDnD sample: got URL"),
+                     wxICON_INFORMATION | wxOK);
+    }
+
+    // URLs can't be moved, only copied
+    virtual wxDragResult OnDragOver(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
+                                    wxDragResult WXUNUSED(def))
+        {
+            return wxDragLink;  // At least IE 5.x needs wxDragLink, the
+                                // other browsers on MSW seem okay with it too.
+        }
+
+    // translate this to calls to OnDropURL() just for convenience
+    virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def)
+    {
+        if ( !GetData() )
+            return wxDragNone;
+
+        OnDropURL(x, y, ((wxURLDataObject *)m_dataObject)->GetURL());
+
+        return def;
+    }
+};
+
+#endif // wxUSE_DRAG_AND_DROP
+
 // ----------------------------------------------------------------------------
 // Define a new application type
 // ----------------------------------------------------------------------------
@@ -76,7 +114,84 @@ public:
     virtual bool OnInit();
 };
 
-IMPLEMENT_APP(DnDApp);
+IMPLEMENT_APP(DnDApp)
+
+#if wxUSE_DRAG_AND_DROP || wxUSE_CLIPBOARD
+
+// ----------------------------------------------------------------------------
+// Define canvas class to show a bitmap
+// ----------------------------------------------------------------------------
+
+class DnDCanvasBitmap : public wxScrolledWindow
+{
+public:
+    DnDCanvasBitmap(wxWindow *parent) : wxScrolledWindow(parent) { }
+
+    void SetBitmap(const wxBitmap& bitmap)
+    {
+        m_bitmap = bitmap;
+
+        SetScrollbars(10, 10,
+                      m_bitmap.GetWidth() / 10, m_bitmap.GetHeight() / 10);
+
+        Refresh();
+    }
+
+    void OnPaint(wxPaintEvent& WXUNUSED(event))
+    {
+        wxPaintDC dc(this);
+
+        if ( m_bitmap.IsOk() )
+        {
+            PrepareDC(dc);
+
+            dc.DrawBitmap(m_bitmap, 0, 0);
+        }
+    }
+
+private:
+    wxBitmap m_bitmap;
+
+    DECLARE_EVENT_TABLE()
+};
+
+#if wxUSE_METAFILE
+
+// and the same thing fo metafiles
+class DnDCanvasMetafile : public wxScrolledWindow
+{
+public:
+    DnDCanvasMetafile(wxWindow *parent) : wxScrolledWindow(parent) { }
+
+    void SetMetafile(const wxMetafile& metafile)
+    {
+        m_metafile = metafile;
+
+        SetScrollbars(10, 10,
+                      m_metafile.GetWidth() / 10, m_metafile.GetHeight() / 10);
+
+        Refresh();
+    }
+
+    void OnPaint(wxPaintEvent&)
+    {
+        wxPaintDC dc(this);
+
+        if ( m_metafile.IsOk() )
+        {
+            PrepareDC(dc);
+
+            m_metafile.Play(&dc);
+        }
+    }
+
+private:
+    wxMetafile m_metafile;
+
+    DECLARE_EVENT_TABLE()
+};
+
+#endif // wxUSE_METAFILE
 
 // ----------------------------------------------------------------------------
 // Define a new frame type for the main frame
@@ -85,16 +200,21 @@ IMPLEMENT_APP(DnDApp);
 class DnDFrame : public wxFrame
 {
 public:
-    DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h);
-    ~DnDFrame();
+    DnDFrame();
+    virtual ~DnDFrame();
 
     void OnPaint(wxPaintEvent& event);
-    void OnQuit (wxCommandEvent& event);
+    void OnSize(wxSizeEvent& event);
+    void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
-    void OnDrag (wxCommandEvent& event);
+    void OnDrag(wxCommandEvent& event);
+    void OnDragMoveByDefault(wxCommandEvent& event);
+    void OnDragMoveAllow(wxCommandEvent& event);
     void OnNewFrame(wxCommandEvent& event);
     void OnHelp (wxCommandEvent& event);
+#if wxUSE_LOG
     void OnLogClear(wxCommandEvent& event);
+#endif // wxUSE_LOG
 
     void OnCopy(wxCommandEvent& event);
     void OnPaste(wxCommandEvent& event);
@@ -102,26 +222,56 @@ public:
     void OnCopyBitmap(wxCommandEvent& event);
     void OnPasteBitmap(wxCommandEvent& event);
 
+#if wxUSE_METAFILE
+    void OnPasteMetafile(wxCommandEvent& event);
+#endif // wxUSE_METAFILE
+
     void OnCopyFiles(wxCommandEvent& event);
 
+    void OnUsePrimary(wxCommandEvent& event);
+
     void OnLeftDown(wxMouseEvent& event);
     void OnRightDown(wxMouseEvent& event);
 
+#if wxUSE_DRAG_AND_DROP
+    void OnBeginDrag(wxTreeEvent& event);
+#endif // wxUSE_DRAG_AND_DROP
+
+    void OnUpdateUIMoveByDefault(wxUpdateUIEvent& event);
+
     void OnUpdateUIPasteText(wxUpdateUIEvent& event);
     void OnUpdateUIPasteBitmap(wxUpdateUIEvent& event);
 
-    DECLARE_EVENT_TABLE()
-
 private:
+#if wxUSE_DRAG_AND_DROP
+    // show the result of a dnd operation in the status bar
+    void LogDragResult(wxDragResult result);
+#endif // wxUSE_DRAG_AND_DROP
+
+
+    // GUI controls
     wxListBox  *m_ctrlFile,
                *m_ctrlText;
+    wxGenericDirCtrl *m_ctrlDir;
+
+#if wxUSE_LOG
     wxTextCtrl *m_ctrlLog;
 
     wxLog *m_pLog,
           *m_pLogPrev;
+#endif // wxUSE_LOG
+
+    // move the text by default (or copy)?
+    bool m_moveByDefault;
+
+    // allow moving the text at all?
+    bool m_moveAllow;
+
+    // the text we drag
+    wxString m_strText;
 
-    wxString  m_strText;
-    wxBitmap  m_bitmap;
+
+    DECLARE_EVENT_TABLE()
 };
 
 // ----------------------------------------------------------------------------
@@ -130,6 +280,8 @@ private:
 // shapes, each one with its own colour and position
 // ----------------------------------------------------------------------------
 
+#if wxUSE_DRAG_AND_DROP
+
 class DnDShape
 {
 public:
@@ -193,15 +345,16 @@ public:
     }
 
 protected:
+    //get a point 1 up and 1 left, otherwise the mid-point of a triangle is on the line
     wxPoint GetCentre() const
-        { return wxPoint(m_pos.x + m_size.x / 2, m_pos.y + m_size.y / 2); }
+         { return wxPoint(m_pos.x + m_size.x / 2 - 1, m_pos.y + m_size.y / 2 - 1); }
 
     struct ShapeDump
     {
-        int x, y,       // position
-            w, h,       // size
-            r, g, b,    // colour
-            k;          // kind
+        wxCoord x, y,             // position
+                w, h;             // size
+        int k;                    // kind
+        unsigned char r, g, b;    // colour
     };
 
     wxPoint  m_pos;
@@ -217,12 +370,12 @@ public:
                        const wxColour& col)
         : DnDShape(pos, size, col)
     {
-        wxLogMessage("DnDTriangularShape is being created");
+        wxLogMessage(wxT("DnDTriangularShape is being created"));
     }
 
     virtual ~DnDTriangularShape()
     {
-        wxLogMessage("DnDTriangularShape is being deleted");
+        wxLogMessage(wxT("DnDTriangularShape is being deleted"));
     }
 
     virtual Kind GetKind() const { return Triangle; }
@@ -240,9 +393,9 @@ public:
         dc.DrawLine(p2, p3);
         dc.DrawLine(p3, p1);
 
-#ifdef __WXMSW__
+        //works in multicolor modes; on GTK (at least) will fail in 16-bit color
+        dc.SetBrush(wxBrush(m_col, wxSOLID));
         dc.FloodFill(GetCentre(), m_col, wxFLOOD_BORDER);
-#endif
     }
 };
 
@@ -254,12 +407,12 @@ public:
                         const wxColour& col)
         : DnDShape(pos, size, col)
     {
-        wxLogMessage("DnDRectangularShape is being created");
+        wxLogMessage(wxT("DnDRectangularShape is being created"));
     }
 
     virtual ~DnDRectangularShape()
     {
-        wxLogMessage("DnDRectangularShape is being deleted");
+        wxLogMessage(wxT("DnDRectangularShape is being deleted"));
     }
 
     virtual Kind GetKind() const { return Rectangle; }
@@ -277,9 +430,8 @@ public:
         dc.DrawLine(p3, p4);
         dc.DrawLine(p4, p1);
 
-#ifdef __WXMSW__
+        dc.SetBrush(wxBrush(m_col, wxSOLID));
         dc.FloodFill(GetCentre(), m_col, wxFLOOD_BORDER);
-#endif
     }
 };
 
@@ -291,12 +443,12 @@ public:
                      const wxColour& col)
         : DnDShape(pos, size, col)
     {
-        wxLogMessage("DnDEllipticShape is being created");
+        wxLogMessage(wxT("DnDEllipticShape is being created"));
     }
 
     virtual ~DnDEllipticShape()
     {
-        wxLogMessage("DnDEllipticShape is being deleted");
+        wxLogMessage(wxT("DnDEllipticShape is being deleted"));
     }
 
     virtual Kind GetKind() const { return Ellipse; }
@@ -306,9 +458,8 @@ public:
 
         dc.DrawEllipse(m_pos, m_size);
 
-#ifdef __WXMSW__
+        dc.SetBrush(wxBrush(m_col, wxSOLID));
         dc.FloodFill(GetCentre(), m_col, wxFLOOD_BORDER);
-#endif
     }
 };
 
@@ -316,7 +467,7 @@ public:
 // A wxDataObject specialisation for the application-specific data
 // ----------------------------------------------------------------------------
 
-static const char *shapeFormatId = "wxShape";
+static const wxChar *shapeFormatId = wxT("wxShape");
 
 class DnDShapeDataObject : public wxDataObject
 {
@@ -348,7 +499,10 @@ public:
 
         // we don't draw the shape to a bitmap until it's really needed (i.e.
         // we're asked to do so)
-        m_hasBitmap = FALSE;
+        m_hasBitmap = false;
+#if wxUSE_METAFILE
+        m_hasMetaFile = false;
+#endif // wxUSE_METAFILE
     }
 
     virtual ~DnDShapeDataObject() { delete m_shape; }
@@ -364,7 +518,10 @@ public:
         DnDShape *shape = m_shape;
 
         m_shape = (DnDShape *)NULL;
-        m_hasBitmap = FALSE;
+        m_hasBitmap = false;
+#if wxUSE_METAFILE
+        m_hasMetaFile = false;
+#endif // wxUSE_METAFILE
 
         return shape;
     }
@@ -384,7 +541,11 @@ public:
         if ( dir == Get )
         {
             // but the bitmap format(s) are only supported for output
-            nFormats += m_dataobj.GetFormatCount(dir);
+            nFormats += m_dobjBitmap.GetFormatCount(dir);
+
+#if wxUSE_METAFILE
+            nFormats += m_dobjMetaFile.GetFormatCount(dir);
+#endif // wxUSE_METAFILE
         }
 
         return nFormats;
@@ -395,7 +556,15 @@ public:
         formats[0] = m_formatShape;
         if ( dir == Get )
         {
-            m_dataobj.GetAllFormats(&formats[1], dir);
+            // in Get direction we additionally support bitmaps and metafiles
+            // under Windows
+            m_dobjBitmap.GetAllFormats(&formats[1], dir);
+
+#if wxUSE_METAFILE
+            // don't assume that m_dobjBitmap has only 1 format
+            m_dobjMetaFile.GetAllFormats(&formats[1 +
+                    m_dobjBitmap.GetFormatCount(dir)], dir);
+#endif // wxUSE_METAFILE
         }
     }
 
@@ -405,12 +574,24 @@ public:
         {
             return m_shape->GetDataSize();
         }
+#if wxUSE_METAFILE
+        else if ( m_dobjMetaFile.IsSupported(format) )
+        {
+            if ( !m_hasMetaFile )
+                CreateMetaFile();
+
+            return m_dobjMetaFile.GetDataSize(format);
+        }
+#endif // wxUSE_METAFILE
         else
         {
+            wxASSERT_MSG( m_dobjBitmap.IsSupported(format),
+                          wxT("unexpected format") );
+
             if ( !m_hasBitmap )
                 CreateBitmap();
 
-            return m_dataobj.GetDataSize();
+            return m_dobjBitmap.GetDataSize();
         }
     }
 
@@ -420,39 +601,64 @@ public:
         {
             m_shape->GetDataHere(pBuf);
 
-            return TRUE;
+            return true;
+        }
+#if wxUSE_METAFILE
+        else if ( m_dobjMetaFile.IsSupported(format) )
+        {
+            if ( !m_hasMetaFile )
+                CreateMetaFile();
+
+            return m_dobjMetaFile.GetDataHere(format, pBuf);
         }
+#endif // wxUSE_METAFILE
         else
         {
+            wxASSERT_MSG( m_dobjBitmap.IsSupported(format),
+                          wxT("unexpected format") );
+
             if ( !m_hasBitmap )
                 CreateBitmap();
 
-            return m_dataobj.GetDataHere(pBuf);
+            return m_dobjBitmap.GetDataHere(pBuf);
         }
     }
 
     virtual bool SetData(const wxDataFormat& format,
-                         size_t len, const void *buf)
+                         size_t WXUNUSED(len), const void *buf)
     {
-        wxCHECK_MSG( format == m_formatShape, FALSE, "unsupported format" );
+        wxCHECK_MSG( format == m_formatShape, false,
+                     wxT( "unsupported format") );
 
         delete m_shape;
         m_shape = DnDShape::New(buf);
 
         // the shape has changed
-        m_hasBitmap = FALSE;
+        m_hasBitmap = false;
+
+#if wxUSE_METAFILE
+        m_hasMetaFile = false;
+#endif // wxUSE_METAFILE
 
-        return TRUE;
+        return true;
     }
 
 private:
-    // creates a bitmap and assigns it to m_dataobj (also sets m_hasBitmap)
+    // creates a bitmap and assigns it to m_dobjBitmap (also sets m_hasBitmap)
     void CreateBitmap() const;
+#if wxUSE_METAFILE
+    void CreateMetaFile() const;
+#endif // wxUSE_METAFILE
 
     wxDataFormat        m_formatShape;  // our custom format
 
-    wxBitmapDataObject  m_dataobj;      // it handles bitmaps
-    bool                m_hasBitmap;    // true if m_dataobj has valid bitmap
+    wxBitmapDataObject  m_dobjBitmap;   // it handles bitmaps
+    bool                m_hasBitmap;    // true if m_dobjBitmap has valid bitmap
+
+#if wxUSE_METAFILE
+    wxMetaFileDataObject m_dobjMetaFile;// handles metafiles
+    bool                 m_hasMetaFile; // true if we have valid metafile
+#endif // wxUSE_METAFILE
 
     DnDShape           *m_shape;        // our data
 };
@@ -504,6 +710,10 @@ public:
     ~DnDShapeFrame();
 
     void SetShape(DnDShape *shape);
+    virtual bool SetShape(const wxRegion &region)
+    {
+        return wxFrame::SetShape( region );
+    }
 
     // callbacks
     void OnNewShape(wxCommandEvent& event);
@@ -542,15 +752,24 @@ public:
     }
 
     // override base class (pure) virtuals
-    virtual void OnEnter()
-        { m_frame->SetStatusText("Mouse entered the frame"); }
+    virtual wxDragResult OnEnter(wxCoord x, wxCoord y, wxDragResult def)
+    {
+#if wxUSE_STATUSBAR
+        m_frame->SetStatusText(wxT("Mouse entered the frame"));
+#endif // wxUSE_STATUSBAR
+        return OnDragOver(x, y, def);
+    }
     virtual void OnLeave()
-        { m_frame->SetStatusText("Mouse left the frame"); }
+    {
+#if wxUSE_STATUSBAR
+        m_frame->SetStatusText(wxT("Mouse left the frame"));
+#endif // wxUSE_STATUSBAR
+    }
     virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def)
     {
         if ( !GetData() )
         {
-            wxLogError("Failed to get drag and drop data");
+            wxLogError(wxT("Failed to get drag and drop data"));
 
             return wxDragNone;
         }
@@ -565,6 +784,18 @@ private:
     DnDShapeFrame *m_frame;
 };
 
+#endif // wxUSE_DRAG_AND_DROP
+
+// ----------------------------------------------------------------------------
+// functions prototypes
+// ----------------------------------------------------------------------------
+
+static void ShowBitmap(const wxBitmap& bitmap);
+
+#if wxUSE_METAFILE
+static void ShowMetaFile(const wxMetaFile& metafile);
+#endif // wxUSE_METAFILE
+
 // ----------------------------------------------------------------------------
 // IDs for the menu commands
 // ----------------------------------------------------------------------------
@@ -573,6 +804,8 @@ enum
 {
     Menu_Quit = 1,
     Menu_Drag,
+    Menu_DragMoveDef,
+    Menu_DragMoveAllow,
     Menu_NewFrame,
     Menu_About = 101,
     Menu_Help,
@@ -581,7 +814,9 @@ enum
     Menu_Paste,
     Menu_CopyBitmap,
     Menu_PasteBitmap,
+    Menu_PasteMFile,
     Menu_CopyFiles,
+    Menu_UsePrimary,
     Menu_Shape_New = 500,
     Menu_Shape_Edit,
     Menu_Shape_Clear,
@@ -594,14 +829,24 @@ BEGIN_EVENT_TABLE(DnDFrame, wxFrame)
     EVT_MENU(Menu_Quit,       DnDFrame::OnQuit)
     EVT_MENU(Menu_About,      DnDFrame::OnAbout)
     EVT_MENU(Menu_Drag,       DnDFrame::OnDrag)
+    EVT_MENU(Menu_DragMoveDef,  DnDFrame::OnDragMoveByDefault)
+    EVT_MENU(Menu_DragMoveAllow,DnDFrame::OnDragMoveAllow)
     EVT_MENU(Menu_NewFrame,   DnDFrame::OnNewFrame)
     EVT_MENU(Menu_Help,       DnDFrame::OnHelp)
+#if wxUSE_LOG
     EVT_MENU(Menu_Clear,      DnDFrame::OnLogClear)
+#endif // wxUSE_LOG
     EVT_MENU(Menu_Copy,       DnDFrame::OnCopy)
     EVT_MENU(Menu_Paste,      DnDFrame::OnPaste)
     EVT_MENU(Menu_CopyBitmap, DnDFrame::OnCopyBitmap)
     EVT_MENU(Menu_PasteBitmap,DnDFrame::OnPasteBitmap)
+#if wxUSE_METAFILE
+    EVT_MENU(Menu_PasteMFile, DnDFrame::OnPasteMetafile)
+#endif // wxUSE_METAFILE
     EVT_MENU(Menu_CopyFiles,  DnDFrame::OnCopyFiles)
+    EVT_MENU(Menu_UsePrimary, DnDFrame::OnUsePrimary)
+
+    EVT_UPDATE_UI(Menu_DragMoveDef, DnDFrame::OnUpdateUIMoveByDefault)
 
     EVT_UPDATE_UI(Menu_Paste,       DnDFrame::OnUpdateUIPasteText)
     EVT_UPDATE_UI(Menu_PasteBitmap, DnDFrame::OnUpdateUIPasteBitmap)
@@ -609,8 +854,11 @@ BEGIN_EVENT_TABLE(DnDFrame, wxFrame)
     EVT_LEFT_DOWN(            DnDFrame::OnLeftDown)
     EVT_RIGHT_DOWN(           DnDFrame::OnRightDown)
     EVT_PAINT(                DnDFrame::OnPaint)
+    EVT_SIZE(                 DnDFrame::OnSize)
 END_EVENT_TABLE()
 
+#if wxUSE_DRAG_AND_DROP
+
 BEGIN_EVENT_TABLE(DnDShapeFrame, wxFrame)
     EVT_MENU(Menu_Shape_New,    DnDShapeFrame::OnNewShape)
     EVT_MENU(Menu_Shape_Edit,   DnDShapeFrame::OnEditShape)
@@ -631,6 +879,20 @@ BEGIN_EVENT_TABLE(DnDShapeDialog, wxDialog)
     EVT_BUTTON(Button_Colour, DnDShapeDialog::OnColour)
 END_EVENT_TABLE()
 
+#endif // wxUSE_DRAG_AND_DROP
+
+BEGIN_EVENT_TABLE(DnDCanvasBitmap, wxScrolledWindow)
+    EVT_PAINT(DnDCanvasBitmap::OnPaint)
+END_EVENT_TABLE()
+
+#if wxUSE_METAFILE
+BEGIN_EVENT_TABLE(DnDCanvasMetafile, wxScrolledWindow)
+    EVT_PAINT(DnDCanvasMetafile::OnPaint)
+END_EVENT_TABLE()
+#endif // wxUSE_METAFILE
+
+#endif // wxUSE_DRAG_AND_DROP
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -638,148 +900,178 @@ END_EVENT_TABLE()
 // `Main program' equivalent, creating windows and returning main app frame
 bool DnDApp::OnInit()
 {
-    // load our ressources
-    wxPathList pathList;
-    pathList.Add(".");
-#ifdef __WXMSW__
-    pathList.Add("./Debug");
-    pathList.Add("./Release");
-#endif // wxMSW
-
-    wxString path = pathList.FindValidPath("dnd.wxr");
-    if ( !path )
-    {
-        wxLogError("Can't find the resource file dnd.wxr in the current "
-                   "directory, aborting.");
-
-        return FALSE;
-    }
-
-    wxDefaultResourceTable->ParseResourceFile(path);
+    if ( !wxApp::OnInit() )
+        return false;
+
+#if wxUSE_DRAG_AND_DROP || wxUSE_CLIPBOARD
+    // switch on trace messages
+#if wxUSE_LOG
+#if defined(__WXGTK__)
+    wxLog::AddTraceMask(wxT("clipboard"));
+#elif defined(__WXMSW__)
+    wxLog::AddTraceMask(wxTRACE_OleCalls);
+#endif
+#endif // wxUSE_LOG
 
 #if wxUSE_LIBPNG
     wxImage::AddHandler( new wxPNGHandler );
 #endif
 
-    // under X we usually want to use the primary selection by default (which
-    // is shared with other apps)
-    wxTheClipboard->UsePrimarySelection();
-
     // create the main frame window
-    DnDFrame *frame = new DnDFrame((wxFrame  *) NULL,
-                                   "Drag-and-Drop/Clipboard wxWindows Sample",
-                                   10, 10, 450, 340);
-
-    // activate it
-    frame->Show(TRUE);
+    new DnDFrame();
 
-    SetTopWindow(frame);
-
-    return TRUE;
+    return true;
+#else
+    wxMessageBox( wxT("This sample has to be compiled with wxUSE_DRAG_AND_DROP"), wxT("Building error"), wxOK);
+    return false;
+#endif // wxUSE_DRAG_AND_DROP
 }
 
-DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h)
-        : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h)),
-          m_strText("wxWindows drag & drop works :-)")
+#if wxUSE_DRAG_AND_DROP || wxUSE_CLIPBOARD
+
+DnDFrame::DnDFrame()
+        : wxFrame(NULL, wxID_ANY, wxT("Drag-and-Drop/Clipboard wxWidgets Sample"),
+                  wxPoint(10, 100)),
+          m_strText(wxT("wxWidgets drag & drop works :-)"))
 
 {
     // frame icon and status bar
-    SetIcon(wxICON(mondrian));
+    SetIcon(wxICON(sample));
 
+#if wxUSE_STATUSBAR
     CreateStatusBar();
+#endif // wxUSE_STATUSBAR
 
     // construct menu
     wxMenu *file_menu = new wxMenu;
-    file_menu->Append(Menu_Drag, "&Test drag...");
+    file_menu->Append(Menu_Drag, wxT("&Test drag..."));
+    file_menu->AppendCheckItem(Menu_DragMoveDef, wxT("&Move by default"));
+    file_menu->AppendCheckItem(Menu_DragMoveAllow, wxT("&Allow moving"));
     file_menu->AppendSeparator();
-    file_menu->Append(Menu_NewFrame, "&New frame\tCtrl-N");
+    file_menu->Append(Menu_NewFrame, wxT("&New frame\tCtrl-N"));
     file_menu->AppendSeparator();
-    file_menu->Append(Menu_Quit, "E&xit");
+    file_menu->Append(Menu_Quit, wxT("E&xit\tCtrl-Q"));
 
+#if wxUSE_LOG
     wxMenu *log_menu = new wxMenu;
-    log_menu->Append(Menu_Clear, "Clear\tCtrl-L");
+    log_menu->Append(Menu_Clear, wxT("Clear\tCtrl-L"));
+#endif // wxUSE_LOG
 
     wxMenu *help_menu = new wxMenu;
-    help_menu->Append(Menu_Help, "&Help...");
+    help_menu->Append(Menu_Help, wxT("&Help..."));
     help_menu->AppendSeparator();
-    help_menu->Append(Menu_About, "&About");
+    help_menu->Append(Menu_About, wxT("&About"));
 
     wxMenu *clip_menu = new wxMenu;
-    clip_menu->Append(Menu_Copy, "&Copy text\tCtrl+C");
-    clip_menu->Append(Menu_Paste, "&Paste text\tCtrl+V");
+    clip_menu->Append(Menu_Copy, wxT("&Copy text\tCtrl-C"));
+    clip_menu->Append(Menu_Paste, wxT("&Paste text\tCtrl-V"));
+    clip_menu->AppendSeparator();
+    clip_menu->Append(Menu_CopyBitmap, wxT("Copy &bitmap\tCtrl-Shift-C"));
+    clip_menu->Append(Menu_PasteBitmap, wxT("Paste b&itmap\tCtrl-Shift-V"));
+#if wxUSE_METAFILE
     clip_menu->AppendSeparator();
-    clip_menu->Append(Menu_CopyBitmap, "&Copy bitmap\tAlt+C");
-    clip_menu->Append(Menu_PasteBitmap, "&Paste bitmap\tAlt+V");
+    clip_menu->Append(Menu_PasteMFile, wxT("Paste &metafile\tCtrl-M"));
+#endif // wxUSE_METAFILE
     clip_menu->AppendSeparator();
-    clip_menu->Append(Menu_CopyFiles, "&Copy files\tCtrl+F");
+    clip_menu->Append(Menu_CopyFiles, wxT("Copy &files\tCtrl-F"));
+    clip_menu->AppendSeparator();
+    clip_menu->AppendCheckItem(Menu_UsePrimary, wxT("Use &primary selection\tCtrl-P"));
 
     wxMenuBar *menu_bar = new wxMenuBar;
-    menu_bar->Append(file_menu, "&File");
-    menu_bar->Append(log_menu,  "&Log");
-    menu_bar->Append(clip_menu, "&Clipboard");
-    menu_bar->Append(help_menu, "&Help");
+    menu_bar->Append(file_menu, wxT("&File"));
+#if wxUSE_LOG
+    menu_bar->Append(log_menu,  wxT("&Log"));
+#endif // wxUSE_LOG
+    menu_bar->Append(clip_menu, wxT("&Clipboard"));
+    menu_bar->Append(help_menu, wxT("&Help"));
 
     SetMenuBar(menu_bar);
 
-    // make a panel with 3 subwindows
-    wxPoint pos(0, 0);
-    wxSize  size(400, 200);
+    // create the child controls
+    SetBackgroundColour(*wxWHITE); // labels read better on this background
 
-    wxString strFile("Drop files here!"), strText("Drop text on me");
+    wxString strFile(wxT("Drop files here!")), strText(wxT("Drop text on me"));
 
-    m_ctrlFile  = new wxListBox(this, -1, pos, size, 1, &strFile,
+    m_ctrlFile  = new wxListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, 1, &strFile,
                                 wxLB_HSCROLL | wxLB_ALWAYS_SB );
-    m_ctrlText  = new wxListBox(this, -1, pos, size, 1, &strText,
+    m_ctrlText  = new wxListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, 1, &strText,
                                 wxLB_HSCROLL | wxLB_ALWAYS_SB );
+    m_ctrlDir   = new wxGenericDirCtrl(this);
 
-    m_ctrlLog   = new wxTextCtrl(this, -1, "", pos, size,
+#if wxUSE_LOG
+    m_ctrlLog   = new wxTextCtrl(this, wxID_ANY, wxEmptyString,
+                                 wxDefaultPosition, wxDefaultSize,
                                  wxTE_MULTILINE | wxTE_READONLY |
                                  wxSUNKEN_BORDER );
 
-#ifdef __WXMSW__
-    // redirect log messages to the text window and switch on OLE messages
-    // logging
-    wxLog::AddTraceMask(wxTRACE_OleCalls);
-#endif
+    // redirect log messages to the text window
     m_pLog = new wxLogTextCtrl(m_ctrlLog);
     m_pLogPrev = wxLog::SetActiveTarget(m_pLog);
+#endif // wxUSE_LOG
 
-    // associate drop targets with 2 text controls
+#if wxUSE_DRAG_AND_DROP
+    // associate drop targets with the controls
     m_ctrlFile->SetDropTarget(new DnDFile(m_ctrlFile));
     m_ctrlText->SetDropTarget(new DnDText(m_ctrlText));
 
-    wxLayoutConstraints *c;
-
-    // Top-left listbox
-    c = new wxLayoutConstraints;
-    c->left.SameAs(this, wxLeft);
-    c->top.SameAs(this, wxTop);
-    c->right.PercentOf(this, wxRight, 50);
-    c->height.PercentOf(this, wxHeight, 30);
-    m_ctrlFile->SetConstraints(c);
-
-    // Top-right listbox
-    c = new wxLayoutConstraints;
-    c->left.SameAs    (m_ctrlFile, wxRight);
-    c->top.SameAs     (this, wxTop);
-    c->right.SameAs   (this, wxRight);
-    c->height.PercentOf(this, wxHeight, 30);
-    m_ctrlText->SetConstraints(c);
-
-    // Lower text control
-    c = new wxLayoutConstraints;
-    c->left.SameAs    (this, wxLeft);
-    c->right.SameAs   (this, wxRight);
-    c->height.PercentOf(this, wxHeight, 50);
-    c->top.SameAs(m_ctrlText, wxBottom);
-    m_ctrlLog->SetConstraints(c);
-
-    SetAutoLayout(TRUE);
+#if wxUSE_DRAG_AND_DROP
+    m_ctrlDir->Connect
+    (
+        wxID_ANY,
+        wxEVT_COMMAND_TREE_BEGIN_DRAG,
+        wxTreeEventHandler(DnDFrame::OnBeginDrag),
+        NULL,
+        this
+    );
+#endif // wxUSE_DRAG_AND_DROP
+
+#if wxUSE_LOG
+    m_ctrlLog->SetDropTarget(new URLDropTarget);
+#endif // wxUSE_LOG
+#endif // wxUSE_DRAG_AND_DROP
+
+    wxBoxSizer *sizer_top = new wxBoxSizer( wxHORIZONTAL );
+    sizer_top->Add(m_ctrlFile, 1, wxEXPAND );
+    sizer_top->Add(m_ctrlText, 1, wxEXPAND );
+
+    wxBoxSizer *sizerDirCtrl = new wxBoxSizer(wxVERTICAL);
+    sizerDirCtrl->Add(new wxStaticText(this, wxID_ANY, "Drag files from here"),
+                      wxSizerFlags().Centre().Border());
+    sizerDirCtrl->Add(m_ctrlDir, wxSizerFlags(1).Expand());
+    sizer_top->Add(sizerDirCtrl, 1, wxEXPAND );
+
+    // make all columns of reasonable minimal size
+    for ( unsigned n = 0; n < sizer_top->GetChildren().size(); n++ )
+        sizer_top->SetItemMinSize(n, 200, 300);
+
+    wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
+    sizer->Add(sizer_top, 1, wxEXPAND );
+#if wxUSE_LOG
+    sizer->Add(m_ctrlLog, 2, wxEXPAND);
+    sizer->SetItemMinSize(m_ctrlLog, 450, 200);
+#endif // wxUSE_LOG
+    sizer->AddSpacer(50);
+
+    // copy data by default but allow moving it as well
+    m_moveByDefault = false;
+    m_moveAllow = true;
+    menu_bar->Check(Menu_DragMoveAllow, true);
+
+    // set the correct size and show the frame
+    SetSizerAndFit(sizer);
+    Show();
 }
 
 void DnDFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 {
-    Close(TRUE);
+    Close(true);
+}
+
+void DnDFrame::OnSize(wxSizeEvent& event)
+{
+    Refresh();
+
+    event.Skip();
 }
 
 void DnDFrame::OnPaint(wxPaintEvent& WXUNUSED(event))
@@ -789,55 +1081,80 @@ void DnDFrame::OnPaint(wxPaintEvent& WXUNUSED(event))
     GetClientSize( &w, &h );
 
     wxPaintDC dc(this);
-    dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL, FALSE, "charter" ) );
-    dc.DrawText( "Drag text from here!", 20, h-50 );
+    // dc.Clear(); -- this kills wxGTK
+    dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL, false, wxT("charter") ) );
+    dc.DrawText( wxT("Drag text from here!"), 100, h-50 );
+}
 
-    if ( m_bitmap.Ok() )
-    {
-        // 4/5 is 80% taken by other windows, 20 is arbitrary margin
-        dc.DrawBitmap(m_bitmap,
-                      w - m_bitmap.GetWidth() - 20,
-                      (4*h)/5 + 20);
-    }
+void DnDFrame::OnUpdateUIMoveByDefault(wxUpdateUIEvent& event)
+{
+    // only can move by default if moving is allowed at all
+    event.Enable(m_moveAllow);
 }
 
 void DnDFrame::OnUpdateUIPasteText(wxUpdateUIEvent& event)
 {
+#ifdef __WXDEBUG__
+    // too many trace messages if we don't do it - this function is called
+    // very often
+    wxLogNull nolog;
+#endif
+
     event.Enable( wxTheClipboard->IsSupported(wxDF_TEXT) );
 }
 
 void DnDFrame::OnUpdateUIPasteBitmap(wxUpdateUIEvent& event)
 {
+#ifdef __WXDEBUG__
+    // too many trace messages if we don't do it - this function is called
+    // very often
+    wxLogNull nolog;
+#endif
+
     event.Enable( wxTheClipboard->IsSupported(wxDF_BITMAP) );
 }
 
 void DnDFrame::OnNewFrame(wxCommandEvent& WXUNUSED(event))
 {
-    (new DnDShapeFrame(this))->Show(TRUE);
+#if wxUSE_DRAG_AND_DROP
+    (new DnDShapeFrame(this))->Show(true);
 
-    wxLogStatus(this, "Double click the new frame to select a shape for it");
+    wxLogStatus(this, wxT("Double click the new frame to select a shape for it"));
+#endif // wxUSE_DRAG_AND_DROP
 }
 
 void DnDFrame::OnDrag(wxCommandEvent& WXUNUSED(event))
 {
+#if wxUSE_DRAG_AND_DROP
     wxString strText = wxGetTextFromUser
         (
-         "After you enter text in this dialog, press any mouse\n"
-         "button in the bottom (empty) part of the frame and \n"
-         "drag it anywhere - you will be in fact dragging the\n"
-         "text object containing this text",
-         "Please enter some text", m_strText, this
+            wxT("After you enter text in this dialog, press any mouse\n")
+            wxT("button in the bottom (empty) part of the frame and \n")
+            wxT("drag it anywhere - you will be in fact dragging the\n")
+         wxT("text object containing this text"),
+         wxT("Please enter some text"), m_strText, this
         );
 
     m_strText = strText;
+#endif // wxUSE_DRAG_AND_DROP
+}
+
+void DnDFrame::OnDragMoveByDefault(wxCommandEvent& event)
+{
+    m_moveByDefault = event.IsChecked();
+}
+
+void DnDFrame::OnDragMoveAllow(wxCommandEvent& event)
+{
+    m_moveAllow = event.IsChecked();
 }
 
 void DnDFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
-    wxMessageBox("Drag-&-Drop Demo\n"
-                 "Please see \"Help|Help...\" for details\n"
-                 "Copyright (c) 1998 Vadim Zeitlin",
-                 "About wxDnD",
+    wxMessageBox(wxT("Drag-&-Drop Demo\n")
+                 wxT("Please see \"Help|Help...\" for details\n")
+                 wxT("Copyright (c) 1998 Vadim Zeitlin"),
+                 wxT("About wxDnD"),
                  wxICON_INFORMATION | wxOK,
                  this);
 }
@@ -845,93 +1162,132 @@ void DnDFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 void DnDFrame::OnHelp(wxCommandEvent& /* event */)
 {
     wxMessageDialog dialog(this,
-            "This small program demonstrates drag & drop support in wxWindows. The program window\n"
-            "consists of 3 parts: the bottom pane is for debug messages, so that you can see what's\n"
-            "going on inside. The top part is split into 2 listboxes, the left one accepts files\n"
-            "and the right one accepts text.\n"
-            "\n"
-            "To test wxDropTarget: open wordpad (write.exe), select some text in it and drag it to\n"
-            "the right listbox (you'll notice the usual visual feedback, i.e. the cursor will change).\n"
-            "Also, try dragging some files (you can select several at once) from Windows Explorer (or \n"
-            "File Manager) to the left pane. Hold down Ctrl/Shift keys when you drop text (doesn't \n"
-            "work with files) and see what changes.\n"
-            "\n"
-            "To test wxDropSource: just press any mouse button on the empty zone of the window and drag\n"
-            "it to wordpad or any other droptarget accepting text (and of course you can just drag it\n"
-            "to the right pane). Due to a lot of trace messages, the cursor might take some time to \n"
-            "change, don't release the mouse button until it does. You can change the string being\n"
-            "dragged in in \"File|Test drag...\" dialog.\n"
-            "\n"
-            "\n"
-            "Please send all questions/bug reports/suggestions &c to \n"
-            "Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>",
-            "wxDnD Help");
+                           wxT("This small program demonstrates drag & drop support in wxWidgets. The program window\n")
+                           wxT("consists of 3 parts: the bottom pane is for debug messages, so that you can see what's\n")
+                           wxT("going on inside. The top part is split into 2 listboxes, the left one accepts files\n")
+                           wxT("and the right one accepts text.\n")
+                           wxT("\n")
+                           wxT("To test wxDropTarget: open wordpad (write.exe), select some text in it and drag it to\n")
+                           wxT("the right listbox (you'll notice the usual visual feedback, i.e. the cursor will change).\n")
+                           wxT("Also, try dragging some files (you can select several at once) from Windows Explorer (or \n")
+                           wxT("File Manager) to the left pane. Hold down Ctrl/Shift keys when you drop text (doesn't \n")
+                           wxT("work with files) and see what changes.\n")
+                           wxT("\n")
+                           wxT("To test wxDropSource: just press any mouse button on the empty zone of the window and drag\n")
+                           wxT("it to wordpad or any other droptarget accepting text (and of course you can just drag it\n")
+                           wxT("to the right pane). Due to a lot of trace messages, the cursor might take some time to \n")
+                           wxT("change, don't release the mouse button until it does. You can change the string being\n")
+                           wxT("dragged in \"File|Test drag...\" dialog.\n")
+                           wxT("\n")
+                           wxT("\n")
+                           wxT("Please send all questions/bug reports/suggestions &c to \n")
+                           wxT("Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>"),
+                           wxT("wxDnD Help"));
 
     dialog.ShowModal();
 }
 
+#if wxUSE_LOG
 void DnDFrame::OnLogClear(wxCommandEvent& /* event */ )
 {
     m_ctrlLog->Clear();
     m_ctrlText->Clear();
     m_ctrlFile->Clear();
 }
+#endif // wxUSE_LOG
+
+#if wxUSE_DRAG_AND_DROP
+
+void DnDFrame::LogDragResult(wxDragResult result)
+{
+#if wxUSE_STATUSBAR
+    const wxChar *pc;
+    switch ( result )
+    {
+        case wxDragError:   pc = wxT("Error!");    break;
+        case wxDragNone:    pc = wxT("Nothing");   break;
+        case wxDragCopy:    pc = wxT("Copied");    break;
+        case wxDragMove:    pc = wxT("Moved");     break;
+        case wxDragCancel:  pc = wxT("Cancelled"); break;
+        default:            pc = wxT("Huh?");      break;
+    }
+
+    SetStatusText(wxString(wxT("Drag result: ")) + pc);
+#else
+    wxUnusedVar(result);
+#endif // wxUSE_STATUSBAR
+}
+
+#endif // wxUSE_DRAG_AND_DROP
 
 void DnDFrame::OnLeftDown(wxMouseEvent &WXUNUSED(event) )
 {
-    if ( !m_strText.IsEmpty() )
+#if wxUSE_DRAG_AND_DROP
+    if ( !m_strText.empty() )
     {
         // start drag operation
         wxTextDataObject textData(m_strText);
-/*
-        wxFileDataObject textData;
-        textData.AddFile( "/file1.txt" );
-        textData.AddFile( "/file2.txt" );
-*/
-        wxDropSource source(textData, this
-
-#ifdef __WXMSW__
-                            ,wxCURSOR_PENCIL,           // for copy
-                            wxCURSOR_SPRAYCAN,          // for move
-                            wxCURSOR_QUESTION_ARROW     // for nothing
-#endif
-                            );
+        wxDropSource source(textData, this,
+                            wxDROP_ICON(dnd_copy),
+                            wxDROP_ICON(dnd_move),
+                            wxDROP_ICON(dnd_none));
 
-        const char *pc;
+        int flags = 0;
+        if ( m_moveByDefault )
+            flags |= wxDrag_DefaultMove;
+        else if ( m_moveAllow )
+            flags |= wxDrag_AllowMove;
 
-        switch ( source.DoDragDrop(TRUE) )
-        {
-            case wxDragError:   pc = "Error!";    break;
-            case wxDragNone:    pc = "Nothing";   break;
-            case wxDragCopy:    pc = "Copied";    break;
-            case wxDragMove:    pc = "Moved";     break;
-            case wxDragCancel:  pc = "Cancelled"; break;
-            default:            pc = "Huh?";      break;
-        }
-
-        SetStatusText(wxString("Drag result: ") + pc);
+        LogDragResult(source.DoDragDrop(flags));
     }
+#endif // wxUSE_DRAG_AND_DROP
 }
 
 void DnDFrame::OnRightDown(wxMouseEvent &event )
 {
-    wxMenu menu("Dnd sample menu");
+    wxMenu menu(wxT("Dnd sample menu"));
 
-    menu.Append(Menu_Drag, "&Test drag...");
+    menu.Append(Menu_Drag, wxT("&Test drag..."));
     menu.AppendSeparator();
-    menu.Append(Menu_About, "&About");
+    menu.Append(Menu_About, wxT("&About"));
 
     PopupMenu( &menu, event.GetX(), event.GetY() );
 }
 
 DnDFrame::~DnDFrame()
 {
+#if wxUSE_LOG
     if ( m_pLog != NULL ) {
         if ( wxLog::SetActiveTarget(m_pLogPrev) == m_pLog )
             delete m_pLog;
     }
+#endif // wxUSE_LOG
+}
+
+void DnDFrame::OnUsePrimary(wxCommandEvent& event)
+{
+    const bool usePrimary = event.IsChecked();
+    wxTheClipboard->UsePrimarySelection(usePrimary);
+
+    wxLogStatus(wxT("Now using %s selection"), usePrimary ? wxT("primary")
+                                                         : wxT("clipboard"));
+}
+
+#if wxUSE_DRAG_AND_DROP
+
+void DnDFrame::OnBeginDrag(wxTreeEvent& WXUNUSED(event))
+{
+    wxFileDataObject data;
+    data.AddFile(m_ctrlDir->GetPath());
+
+    wxDropSource dragSource(this);
+    dragSource.SetData(data);
+
+    LogDragResult(dragSource.DoDragDrop());
 }
 
+#endif // wxUSE_DRAG_AND_DROP
+
 // ---------------------------------------------------------------------------
 // bitmap clipboard
 // ---------------------------------------------------------------------------
@@ -939,67 +1295,67 @@ DnDFrame::~DnDFrame()
 void DnDFrame::OnCopyBitmap(wxCommandEvent& WXUNUSED(event))
 {
     // PNG support is not always compiled in under Windows, so use BMP there
-#ifdef __WXMSW__
-    wxFileDialog dialog(this, "Open a BMP file", "", "", "BMP files (*.bmp)|*.bmp", 0);
+#if wxUSE_LIBPNG
+    wxFileDialog dialog(this, wxT("Open a PNG file"), wxEmptyString, wxEmptyString, wxT("PNG files (*.png)|*.png"), 0);
 #else
-    wxFileDialog dialog(this, "Open a PNG file", "", "", "PNG files (*.png)|*.png", 0);
+    wxFileDialog dialog(this, wxT("Open a BMP file"), wxEmptyString, wxEmptyString, wxT("BMP files (*.bmp)|*.bmp"), 0);
 #endif
 
     if (dialog.ShowModal() != wxID_OK)
     {
-        wxLogMessage( _T("Aborted file open") );
+        wxLogMessage( wxT("Aborted file open") );
         return;
     }
 
-    if (dialog.GetPath().IsEmpty())
+    if (dialog.GetPath().empty())
     {
-        wxLogMessage( _T("Returned empty string.") );
+        wxLogMessage( wxT("Returned empty string.") );
         return;
     }
 
     if (!wxFileExists(dialog.GetPath()))
     {
-        wxLogMessage( _T("File doesn't exist.") );
+        wxLogMessage( wxT("File doesn't exist.") );
         return;
     }
 
     wxImage image;
     image.LoadFile( dialog.GetPath(),
-#ifdef __WXMSW__
-                    wxBITMAP_TYPE_BMP
-#else
+#if wxUSE_LIBPNG
                     wxBITMAP_TYPE_PNG
+#else
+                    wxBITMAP_TYPE_BMP
 #endif
                   );
-    if (!image.Ok())
+    if (!image.IsOk())
     {
-        wxLogError( _T("Invalid image file...") );
+        wxLogError( wxT("Invalid image file...") );
         return;
     }
 
-    wxLogStatus( _T("Decoding image file...") );
+    wxLogStatus( wxT("Decoding image file...") );
     wxYield();
 
-    wxBitmap bitmap( image.ConvertToBitmap() );
+    wxBitmap bitmap( image );
 
     if ( !wxTheClipboard->Open() )
     {
-        wxLogError(_T("Can't open clipboard."));
+        wxLogError(wxT("Can't open clipboard."));
 
         return;
     }
 
-    wxLogMessage( _T("Creating wxBitmapDataObject...") );
+    wxLogMessage( wxT("Creating wxBitmapDataObject...") );
     wxYield();
 
     if ( !wxTheClipboard->AddData(new wxBitmapDataObject(bitmap)) )
     {
-        wxLogError(_T("Can't copy image to the clipboard."));
+        wxLogError(wxT("Can't copy image to the clipboard."));
     }
     else
     {
-        wxLogMessage(_T("Image has been put on the clipboard.") );
-        wxLogMessage(_T("You can paste it now and look at it.") );
+        wxLogMessage(wxT("Image has been put on the clipboard.") );
+        wxLogMessage(wxT("You can paste it now and look at it.") );
     }
 
     wxTheClipboard->Close();
@@ -1009,14 +1365,14 @@ void DnDFrame::OnPasteBitmap(wxCommandEvent& WXUNUSED(event))
 {
     if ( !wxTheClipboard->Open() )
     {
-        wxLogError(_T("Can't open clipboard."));
+        wxLogError(wxT("Can't open clipboard."));
 
         return;
     }
 
     if ( !wxTheClipboard->IsSupported(wxDF_BITMAP) )
     {
-        wxLogWarning(_T("No bitmap on clipboard"));
+        wxLogWarning(wxT("No bitmap on clipboard"));
 
         wxTheClipboard->Close();
         return;
@@ -1025,18 +1381,58 @@ void DnDFrame::OnPasteBitmap(wxCommandEvent& WXUNUSED(event))
     wxBitmapDataObject data;
     if ( !wxTheClipboard->GetData(data) )
     {
-        wxLogError(_T("Can't paste bitmap from the clipboard"));
+        wxLogError(wxT("Can't paste bitmap from the clipboard"));
     }
     else
     {
-        wxLogMessage(_T("Bitmap pasted from the clipboard") );
-        m_bitmap = data.GetBitmap();
-        Refresh();
+        const wxBitmap& bmp = data.GetBitmap();
+
+        wxLogMessage(wxT("Bitmap %dx%d pasted from the clipboard"),
+                     bmp.GetWidth(), bmp.GetHeight());
+        ShowBitmap(bmp);
     }
 
     wxTheClipboard->Close();
 }
 
+#if wxUSE_METAFILE
+
+void DnDFrame::OnPasteMetafile(wxCommandEvent& WXUNUSED(event))
+{
+    if ( !wxTheClipboard->Open() )
+    {
+        wxLogError(wxT("Can't open clipboard."));
+
+        return;
+    }
+
+    if ( !wxTheClipboard->IsSupported(wxDF_METAFILE) )
+    {
+        wxLogWarning(wxT("No metafile on clipboard"));
+    }
+    else
+    {
+        wxMetaFileDataObject data;
+        if ( !wxTheClipboard->GetData(data) )
+        {
+            wxLogError(wxT("Can't paste metafile from the clipboard"));
+        }
+        else
+        {
+            const wxMetaFile& mf = data.GetMetafile();
+
+            wxLogMessage(wxT("Metafile %dx%d pasted from the clipboard"),
+                         mf.GetWidth(), mf.GetHeight());
+
+            ShowMetaFile(mf);
+        }
+    }
+
+    wxTheClipboard->Close();
+}
+
+#endif // wxUSE_METAFILE
+
 // ----------------------------------------------------------------------------
 // file clipboard
 // ----------------------------------------------------------------------------
@@ -1044,8 +1440,8 @@ void DnDFrame::OnPasteBitmap(wxCommandEvent& WXUNUSED(event))
 void DnDFrame::OnCopyFiles(wxCommandEvent& WXUNUSED(event))
 {
 #ifdef __WXMSW__
-    wxFileDialog dialog(this, "Select a file to copy", "", "",
-                         "All files (*.*)|*.*", 0);
+    wxFileDialog dialog(this, wxT("Select a file to copy"), wxEmptyString, wxEmptyString,
+                         wxT("All files (*.*)|*.*"), 0);
 
     wxArrayString filenames;
     while ( dialog.ShowModal() == wxID_OK )
@@ -1065,27 +1461,27 @@ void DnDFrame::OnCopyFiles(wxCommandEvent& WXUNUSED(event))
         wxClipboardLocker locker;
         if ( !locker )
         {
-            wxLogError("Can't open clipboard");
+            wxLogError(wxT("Can't open clipboard"));
         }
         else
         {
             if ( !wxTheClipboard->AddData(dobj) )
             {
-                wxLogError("Can't copy file(s) to the clipboard");
+                wxLogError(wxT("Can't copy file(s) to the clipboard"));
             }
             else
             {
-                wxLogStatus(this, "%d file%s copied to the clipboard",
-                            count, count == 1 ? "" : "s");
+                wxLogStatus(this, wxT("%d file%s copied to the clipboard"),
+                            count, count == 1 ? wxEmptyString : wxEmptyString);
             }
         }
     }
     else
     {
-        wxLogStatus(this, "Aborted");
+        wxLogStatus(this, wxT("Aborted"));
     }
 #else // !MSW
-    wxLogError("Sorry, not implemented");
+    wxLogError(wxT("Sorry, not implemented"));
 #endif // MSW/!MSW
 }
 
@@ -1097,18 +1493,18 @@ void DnDFrame::OnCopy(wxCommandEvent& WXUNUSED(event))
 {
     if ( !wxTheClipboard->Open() )
     {
-        wxLogError(_T("Can't open clipboard."));
+        wxLogError(wxT("Can't open clipboard."));
 
         return;
     }
 
     if ( !wxTheClipboard->AddData(new wxTextDataObject(m_strText)) )
     {
-        wxLogError(_T("Can't copy data to the clipboard"));
+        wxLogError(wxT("Can't copy data to the clipboard"));
     }
     else
     {
-        wxLogMessage(_T("Text '%s' put on the clipboard"), m_strText.c_str());
+        wxLogMessage(wxT("Text '%s' put on the clipboard"), m_strText.c_str());
     }
 
     wxTheClipboard->Close();
@@ -1118,14 +1514,14 @@ void DnDFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
 {
     if ( !wxTheClipboard->Open() )
     {
-        wxLogError(_T("Can't open clipboard."));
+        wxLogError(wxT("Can't open clipboard."));
 
         return;
     }
 
     if ( !wxTheClipboard->IsSupported(wxDF_TEXT) )
     {
-        wxLogWarning(_T("No text data on clipboard"));
+        wxLogWarning(wxT("No text data on clipboard"));
 
         wxTheClipboard->Close();
         return;
@@ -1134,17 +1530,19 @@ void DnDFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
     wxTextDataObject text;
     if ( !wxTheClipboard->GetData(text) )
     {
-        wxLogError(_T("Can't paste data from the clipboard"));
+        wxLogError(wxT("Can't paste data from the clipboard"));
     }
     else
     {
-        wxLogMessage(_T("Text '%s' pasted from the clipboard"),
+        wxLogMessage(wxT("Text '%s' pasted from the clipboard"),
                      text.GetText().c_str());
     }
 
     wxTheClipboard->Close();
 }
 
+#if wxUSE_DRAG_AND_DROP
+
 // ----------------------------------------------------------------------------
 // Notifications called by the base class
 // ----------------------------------------------------------------------------
@@ -1153,20 +1551,23 @@ bool DnDText::OnDropText(wxCoord, wxCoord, const wxString& text)
 {
     m_pOwner->Append(text);
 
-    return TRUE;
+    return true;
 }
 
 bool DnDFile::OnDropFiles(wxCoord, wxCoord, const wxArrayString& filenames)
 {
     size_t nFiles = filenames.GetCount();
     wxString str;
-    str.Printf( _T("%d files dropped"), nFiles);
-    m_pOwner->Append(str);
-    for ( size_t n = 0; n < nFiles; n++ ) {
-        m_pOwner->Append(filenames[n]);
+    str.Printf( wxT("%d files dropped"), (int)nFiles);
+
+    if (m_pOwner != NULL)
+    {
+        m_pOwner->Append(str);
+        for ( size_t n = 0; n < nFiles; n++ )
+            m_pOwner->Append(filenames[n]);
     }
 
-    return TRUE;
+    return true;
 }
 
 // ----------------------------------------------------------------------------
@@ -1174,17 +1575,70 @@ bool DnDFile::OnDropFiles(wxCoord, wxCoord, const wxArrayString& filenames)
 // ----------------------------------------------------------------------------
 
 DnDShapeDialog::DnDShapeDialog(wxFrame *parent, DnDShape *shape)
+  :wxDialog( parent, 6001, wxT("Choose Shape"), wxPoint( 10, 10 ),
+             wxSize( 40, 40 ),
+             wxDEFAULT_DIALOG_STYLE | wxRAISED_BORDER | wxRESIZE_BORDER )
 {
     m_shape = shape;
-
-    LoadFromResource(parent, "dialogShape");
-
-    m_textX = (wxTextCtrl *)wxFindWindowByName("textX", this);
-    m_textY = (wxTextCtrl *)wxFindWindowByName("textY", this);
-    m_textW = (wxTextCtrl *)wxFindWindowByName("textW", this);
-    m_textH = (wxTextCtrl *)wxFindWindowByName("textH", this);
-
-    m_radio = (wxRadioBox *)wxFindWindowByName("radio", this);
+    wxBoxSizer* topSizer = new wxBoxSizer( wxVERTICAL );
+
+    // radio box
+    wxBoxSizer* shapesSizer = new wxBoxSizer( wxHORIZONTAL );
+    const wxString choices[] = { wxT("None"), wxT("Triangle"),
+                                 wxT("Rectangle"), wxT("Ellipse") };
+
+    m_radio = new wxRadioBox( this, wxID_ANY, wxT("&Shape"),
+                              wxDefaultPosition, wxDefaultSize, 4, choices, 4,
+                              wxRA_SPECIFY_COLS );
+    shapesSizer->Add( m_radio, 0, wxGROW|wxALL, 5 );
+    topSizer->Add( shapesSizer, 0, wxALL, 2 );
+
+    // attributes
+    wxStaticBox* box = new wxStaticBox( this, wxID_ANY, wxT("&Attributes") );
+    wxStaticBoxSizer* attrSizer = new wxStaticBoxSizer( box, wxHORIZONTAL );
+    wxFlexGridSizer* xywhSizer = new wxFlexGridSizer( 2 );
+
+    wxStaticText* st;
+
+    st = new wxStaticText( this, wxID_ANY, wxT("Position &X:") );
+    m_textX = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition,
+                              wxSize( 30, 20 ) );
+    xywhSizer->Add( st, 1, wxGROW|wxALL, 2 );
+    xywhSizer->Add( m_textX, 1, wxGROW|wxALL, 2 );
+
+    st = new wxStaticText( this, wxID_ANY, wxT("Size &width:") );
+    m_textW = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition,
+                              wxSize( 30, 20 ) );
+    xywhSizer->Add( st, 1, wxGROW|wxALL, 2 );
+    xywhSizer->Add( m_textW, 1, wxGROW|wxALL, 2 );
+
+    st = new wxStaticText( this, wxID_ANY, wxT("&Y:") );
+    m_textY = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition,
+                              wxSize( 30, 20 ) );
+    xywhSizer->Add( st, 1, wxALL|wxALIGN_RIGHT, 2 );
+    xywhSizer->Add( m_textY, 1, wxGROW|wxALL, 2 );
+
+    st = new wxStaticText( this, wxID_ANY, wxT("&height:") );
+    m_textH = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition,
+                              wxSize( 30, 20 ) );
+    xywhSizer->Add( st, 1, wxALL|wxALIGN_RIGHT, 2 );
+    xywhSizer->Add( m_textH, 1, wxGROW|wxALL, 2 );
+
+    wxButton* col = new wxButton( this, Button_Colour, wxT("&Colour...") );
+    attrSizer->Add( xywhSizer, 1, wxGROW );
+    attrSizer->Add( col, 0, wxALL|wxALIGN_CENTRE_VERTICAL, 2 );
+    topSizer->Add( attrSizer, 0, wxGROW|wxALL, 5 );
+
+    // buttons
+    wxBoxSizer* buttonSizer = new wxBoxSizer( wxHORIZONTAL );
+    wxButton* bt;
+    bt = new wxButton( this, wxID_OK, wxT("Ok") );
+    buttonSizer->Add( bt, 0, wxALL, 2 );
+    bt = new wxButton( this, wxID_CANCEL, wxT("Cancel") );
+    buttonSizer->Add( bt, 0, wxALL, 2 );
+    topSizer->Add( buttonSizer, 0, wxALL|wxALIGN_RIGHT, 2 );
+
+    SetSizerAndFit( topSizer );
 }
 
 DnDShape *DnDShapeDialog::GetShape() const
@@ -1221,36 +1675,36 @@ bool DnDShapeDialog::TransferDataToWindow()
     m_textW->SetValue(wxString() << m_size.x);
     m_textH->SetValue(wxString() << m_size.y);
 
-    return TRUE;
+    return true;
 }
 
 bool DnDShapeDialog::TransferDataFromWindow()
 {
     m_shapeKind = (DnDShape::Kind)m_radio->GetSelection();
 
-    m_pos.x = atoi(m_textX->GetValue());
-    m_pos.y = atoi(m_textY->GetValue());
-    m_size.x = atoi(m_textW->GetValue());
-    m_size.y = atoi(m_textH->GetValue());
+    m_pos.x = wxAtoi(m_textX->GetValue());
+    m_pos.y = wxAtoi(m_textY->GetValue());
+    m_size.x = wxAtoi(m_textW->GetValue());
+    m_size.y = wxAtoi(m_textH->GetValue());
 
     if ( !m_pos.x || !m_pos.y || !m_size.x || !m_size.y )
     {
-        wxMessageBox("All sizes and positions should be non null!",
-                     "Invalid shape", wxICON_HAND | wxOK, this);
+        wxMessageBox(wxT("All sizes and positions should be non null!"),
+                     wxT("Invalid shape"), wxICON_HAND | wxOK, this);
 
-        return FALSE;
+        return false;
     }
 
-    return TRUE;
+    return true;
 }
 
 void DnDShapeDialog::OnColour(wxCommandEvent& WXUNUSED(event))
 {
     wxColourData data;
-    data.SetChooseFull(TRUE);
+    data.SetChooseFull(true);
     for (int i = 0; i < 16; i++)
     {
-        wxColour colour(i*16, i*16, i*16);
+        wxColour colour((unsigned char)(i*16), (unsigned char)(i*16), (unsigned char)(i*16));
         data.SetCustomColour(i, colour);
     }
 
@@ -1268,45 +1722,48 @@ void DnDShapeDialog::OnColour(wxCommandEvent& WXUNUSED(event))
 DnDShapeFrame *DnDShapeFrame::ms_lastDropTarget = NULL;
 
 DnDShapeFrame::DnDShapeFrame(wxFrame *parent)
-             : wxFrame(parent, -1, "Shape Frame",
-                       wxDefaultPosition, wxSize(250, 150))
+             : wxFrame(parent, wxID_ANY, wxT("Shape Frame"))
 {
+#if wxUSE_STATUSBAR
     CreateStatusBar();
+#endif // wxUSE_STATUSBAR
 
     wxMenu *menuShape = new wxMenu;
-    menuShape->Append(Menu_Shape_New, "&New default shape\tCtrl-S");
-    menuShape->Append(Menu_Shape_Edit, "&Edit shape\tCtrl-E");
+    menuShape->Append(Menu_Shape_New, wxT("&New default shape\tCtrl-S"));
+    menuShape->Append(Menu_Shape_Edit, wxT("&Edit shape\tCtrl-E"));
     menuShape->AppendSeparator();
-    menuShape->Append(Menu_Shape_Clear, "&Clear shape\tDel");
+    menuShape->Append(Menu_Shape_Clear, wxT("&Clear shape\tCtrl-L"));
 
     wxMenu *menuClipboard = new wxMenu;
-    menuClipboard->Append(Menu_ShapeClipboard_Copy, "&Copy\tCtrl-C");
-    menuClipboard->Append(Menu_ShapeClipboard_Paste, "&Paste\tCtrl-V");
+    menuClipboard->Append(Menu_ShapeClipboard_Copy, wxT("&Copy\tCtrl-C"));
+    menuClipboard->Append(Menu_ShapeClipboard_Paste, wxT("&Paste\tCtrl-V"));
 
     wxMenuBar *menubar = new wxMenuBar;
-    menubar->Append(menuShape, "&Shape");
-    menubar->Append(menuClipboard, "&Clipboard");
+    menubar->Append(menuShape, wxT("&Shape"));
+    menubar->Append(menuClipboard, wxT("&Clipboard"));
 
     SetMenuBar(menubar);
 
-    SetStatusText("Press Ctrl-S to create a new shape");
+#if wxUSE_STATUSBAR
+    SetStatusText(wxT("Press Ctrl-S to create a new shape"));
+#endif // wxUSE_STATUSBAR
 
     SetDropTarget(new DnDShapeDropTarget(this));
 
     m_shape = NULL;
-    
+
     SetBackgroundColour(*wxWHITE);
 }
 
 DnDShapeFrame::~DnDShapeFrame()
 {
-    if (m_shape) 
+    if (m_shape)
         delete m_shape;
 }
 
 void DnDShapeFrame::SetShape(DnDShape *shape)
 {
-    if (m_shape) 
+    if (m_shape)
         delete m_shape;
     m_shape = shape;
     Refresh();
@@ -1326,24 +1783,26 @@ void DnDShapeFrame::OnDrag(wxMouseEvent& event)
     DnDShapeDataObject shapeData(m_shape);
     wxDropSource source(shapeData, this);
 
-    const char *pc = NULL;
-    switch ( source.DoDragDrop(TRUE) )
+    const wxChar *pc = NULL;
+    switch ( source.DoDragDrop(true) )
     {
         default:
         case wxDragError:
-            wxLogError("An error occured during drag and drop operation");
+            wxLogError(wxT("An error occurred during drag and drop operation"));
             break;
 
         case wxDragNone:
-            SetStatusText("Nothing happened");
+#if wxUSE_STATUSBAR
+            SetStatusText(wxT("Nothing happened"));
+#endif // wxUSE_STATUSBAR
             break;
 
         case wxDragCopy:
-            pc = "copied";
+            pc = wxT("copied");
             break;
 
         case wxDragMove:
-            pc = "moved";
+            pc = wxT("moved");
             if ( ms_lastDropTarget != this )
             {
                 // don't delete the shape if we dropped it on ourselves!
@@ -1352,13 +1811,17 @@ void DnDShapeFrame::OnDrag(wxMouseEvent& event)
             break;
 
         case wxDragCancel:
-            SetStatusText("Drag and drop operation cancelled");
+#if wxUSE_STATUSBAR
+            SetStatusText(wxT("Drag and drop operation cancelled"));
+#endif // wxUSE_STATUSBAR
             break;
     }
 
     if ( pc )
     {
-        SetStatusText(wxString("Shape successfully ") + pc);
+#if wxUSE_STATUSBAR
+        SetStatusText(wxString(wxT("Shape successfully ")) + pc);
+#endif // wxUSE_STATUSBAR
     }
     //else: status text already set
 }
@@ -1369,48 +1832,54 @@ void DnDShapeFrame::OnDrop(wxCoord x, wxCoord y, DnDShape *shape)
 
     wxPoint pt(x, y);
 
+#if wxUSE_STATUSBAR
     wxString s;
-    s.Printf("Shape dropped at (%ld, %ld)", pt.x, pt.y);
+    s.Printf(wxT("Shape dropped at (%d, %d)"), pt.x, pt.y);
     SetStatusText(s);
+#endif // wxUSE_STATUSBAR
 
     shape->Move(pt);
     SetShape(shape);
 }
 
-void DnDShapeFrame::OnEditShape(wxCommandEvent& event)
+void DnDShapeFrame::OnEditShape(wxCommandEvent& WXUNUSED(event))
 {
     DnDShapeDialog dlg(this, m_shape);
     if ( dlg.ShowModal() == wxID_OK )
     {
         SetShape(dlg.GetShape());
 
+#if wxUSE_STATUSBAR
         if ( m_shape )
         {
-            SetStatusText("You can now drag the shape to another frame");
+            SetStatusText(wxT("You can now drag the shape to another frame"));
         }
+#endif // wxUSE_STATUSBAR
     }
 }
 
-void DnDShapeFrame::OnNewShape(wxCommandEvent& event)
+void DnDShapeFrame::OnNewShape(wxCommandEvent& WXUNUSED(event))
 {
     SetShape(new DnDEllipticShape(wxPoint(10, 10), wxSize(80, 60), *wxRED));
 
-    SetStatusText("You can now drag the shape to another frame");
+#if wxUSE_STATUSBAR
+    SetStatusText(wxT("You can now drag the shape to another frame"));
+#endif // wxUSE_STATUSBAR
 }
 
-void DnDShapeFrame::OnClearShape(wxCommandEvent& event)
+void DnDShapeFrame::OnClearShape(wxCommandEvent& WXUNUSED(event))
 {
     SetShape(NULL);
 }
 
-void DnDShapeFrame::OnCopyShape(wxCommandEvent& event)
+void DnDShapeFrame::OnCopyShape(wxCommandEvent& WXUNUSED(event))
 {
     if ( m_shape )
     {
         wxClipboardLocker clipLocker;
         if ( !clipLocker )
         {
-            wxLogError("Can't open the clipboard");
+            wxLogError(wxT("Can't open the clipboard"));
 
             return;
         }
@@ -1419,12 +1888,12 @@ void DnDShapeFrame::OnCopyShape(wxCommandEvent& event)
     }
 }
 
-void DnDShapeFrame::OnPasteShape(wxCommandEvent& event)
+void DnDShapeFrame::OnPasteShape(wxCommandEvent& WXUNUSED(event))
 {
     wxClipboardLocker clipLocker;
     if ( !clipLocker )
     {
-        wxLogError("Can't open the clipboard");
+        wxLogError(wxT("Can't open the clipboard"));
 
         return;
     }
@@ -1436,7 +1905,7 @@ void DnDShapeFrame::OnPasteShape(wxCommandEvent& event)
     }
     else
     {
-        wxLogStatus("No shape on the clipboard");
+        wxLogStatus(wxT("No shape on the clipboard"));
     }
 }
 
@@ -1489,7 +1958,7 @@ DnDShape *DnDShape::New(const void *buf)
                                         wxColour(dump.r, dump.g, dump.b));
 
         default:
-            wxFAIL_MSG("invalid shape!");
+            wxFAIL_MSG(wxT("invalid shape!"));
             return NULL;
     }
 }
@@ -1498,6 +1967,28 @@ DnDShape *DnDShape::New(const void *buf)
 // DnDShapeDataObject
 // ----------------------------------------------------------------------------
 
+#if wxUSE_METAFILE
+
+void DnDShapeDataObject::CreateMetaFile() const
+{
+    wxPoint pos = m_shape->GetPosition();
+    wxSize size = m_shape->GetSize();
+
+    wxMetaFileDC dcMF(wxEmptyString, pos.x + size.x, pos.y + size.y);
+
+    m_shape->Draw(dcMF);
+
+    wxMetafile *mf = dcMF.Close();
+
+    DnDShapeDataObject *self = (DnDShapeDataObject *)this; // const_cast
+    self->m_dobjMetaFile.SetMetafile(*mf);
+    self->m_hasMetaFile = true;
+
+    delete mf;
+}
+
+#endif // wxUSE_METAFILE
+
 void DnDShapeDataObject::CreateBitmap() const
 {
     wxPoint pos = m_shape->GetPosition();
@@ -1507,13 +1998,58 @@ void DnDShapeDataObject::CreateBitmap() const
     wxBitmap bitmap(x, y);
     wxMemoryDC dc;
     dc.SelectObject(bitmap);
-    dc.SetBrush(wxBrush("white", wxSOLID));
+    dc.SetBrush(wxBrush(wxT("white"), wxSOLID));
     dc.Clear();
     m_shape->Draw(dc);
     dc.SelectObject(wxNullBitmap);
 
     DnDShapeDataObject *self = (DnDShapeDataObject *)this; // const_cast
-    self->m_dataobj.SetBitmap(bitmap);
-    self->m_hasBitmap = TRUE;
+    self->m_dobjBitmap.SetBitmap(bitmap);
+    self->m_hasBitmap = true;
+}
+
+#endif // wxUSE_DRAG_AND_DROP
+
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+static void ShowBitmap(const wxBitmap& bitmap)
+{
+    wxFrame *frame = new wxFrame(NULL, wxID_ANY, wxT("Bitmap view"));
+#if wxUSE_STATUSBAR
+    frame->CreateStatusBar();
+#endif // wxUSE_STATUSBAR
+    DnDCanvasBitmap *canvas = new DnDCanvasBitmap(frame);
+    canvas->SetBitmap(bitmap);
+
+    int w = bitmap.GetWidth(),
+        h = bitmap.GetHeight();
+#if wxUSE_STATUSBAR
+    frame->SetStatusText(wxString::Format(wxT("%dx%d"), w, h));
+#endif // wxUSE_STATUSBAR
+
+    frame->SetClientSize(w > 100 ? 100 : w, h > 100 ? 100 : h);
+    frame->Show(true);
+}
+
+#if wxUSE_METAFILE
+
+static void ShowMetaFile(const wxMetaFile& metafile)
+{
+    wxFrame *frame = new wxFrame(NULL, wxID_ANY, wxT("Metafile view"));
+    frame->CreateStatusBar();
+    DnDCanvasMetafile *canvas = new DnDCanvasMetafile(frame);
+    canvas->SetMetafile(metafile);
+
+    wxSize size = metafile.GetSize();
+    frame->SetStatusText(wxString::Format(wxT("%dx%d"), size.x, size.y));
+
+    frame->SetClientSize(size.x > 100 ? 100 : size.x,
+                         size.y > 100 ? 100 : size.y);
+    frame->Show();
 }
 
+#endif // wxUSE_METAFILE
+
+#endif // wxUSE_DRAG_AND_DROP || wxUSE_CLIPBOARD