X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b29903d4854625650ae678c0515acc76facba1ee..f155075229d771430f0793700f5048ad4be00e9d:/samples/dnd/dnd.cpp?ds=inline

diff --git a/samples/dnd/dnd.cpp b/samples/dnd/dnd.cpp
index c2021527e6..2109640761 100644
--- a/samples/dnd/dnd.cpp
+++ b/samples/dnd/dnd.cpp
@@ -19,24 +19,16 @@
 #include "wx/wx.h"
 #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/sizer.h"
-#include "wx/dataobj.h"
+#include "wx/metafile.h"
+#include "wx/dirctrl.h"
 
-#if wxUSE_METAFILES
-    #include "wx/metafile.h"
-#endif // wxUSE_METAFILES
-
-#if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
-    #include "mondrian.xpm"
+#ifndef wxHAS_IMAGES_IN_RESOURCES
+    #include "../sample.xpm"
 #if wxUSE_DRAG_AND_DROP
     #include "dnd_copy.xpm"
     #include "dnd_move.xpm"
@@ -65,7 +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);
@@ -86,7 +78,7 @@ public:
     void OnDropURL(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxString& text)
     {
         // of course, a real program would do something more useful here...
-        wxMessageBox(text, _T("wxDnD sample: got URL"),
+        wxMessageBox(text, wxT("wxDnD sample: got URL"),
                      wxICON_INFORMATION | wxOK);
     }
 
@@ -122,7 +114,7 @@ public:
     virtual bool OnInit();
 };
 
-IMPLEMENT_APP(DnDApp);
+IMPLEMENT_APP(DnDApp)
 
 #if wxUSE_DRAG_AND_DROP || wxUSE_CLIPBOARD
 
@@ -149,7 +141,7 @@ public:
     {
         wxPaintDC dc(this);
 
-        if ( m_bitmap.Ok() )
+        if ( m_bitmap.IsOk() )
         {
             PrepareDC(dc);
 
@@ -163,7 +155,7 @@ private:
     DECLARE_EVENT_TABLE()
 };
 
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
 
 // and the same thing fo metafiles
 class DnDCanvasMetafile : public wxScrolledWindow
@@ -181,11 +173,11 @@ public:
         Refresh();
     }
 
-    void OnPaint(wxPaintEvent& event)
+    void OnPaint(wxPaintEvent&)
     {
         wxPaintDC dc(this);
 
-        if ( m_metafile.Ok() )
+        if ( m_metafile.IsOk() )
         {
             PrepareDC(dc);
 
@@ -199,7 +191,7 @@ private:
     DECLARE_EVENT_TABLE()
 };
 
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
 // ----------------------------------------------------------------------------
 // Define a new frame type for the main frame
@@ -208,7 +200,7 @@ private:
 class DnDFrame : public wxFrame
 {
 public:
-    DnDFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h);
+    DnDFrame();
     virtual ~DnDFrame();
 
     void OnPaint(wxPaintEvent& event);
@@ -230,26 +222,38 @@ public:
     void OnCopyBitmap(wxCommandEvent& event);
     void OnPasteBitmap(wxCommandEvent& event);
 
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
     void OnPasteMetafile(wxCommandEvent& event);
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
     void OnCopyFiles(wxCommandEvent& event);
+    void OnCopyURL(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;
@@ -265,7 +269,10 @@ private:
     bool m_moveAllow;
 
     // the text we drag
-    wxString  m_strText;
+    wxString m_strText;
+
+
+    DECLARE_EVENT_TABLE()
 };
 
 // ----------------------------------------------------------------------------
@@ -335,7 +342,7 @@ public:
 
     virtual void Draw(wxDC& dc)
     {
-        dc.SetPen(wxPen(m_col, 1, wxSOLID));
+        dc.SetPen(wxPen(m_col));
     }
 
 protected:
@@ -345,10 +352,10 @@ protected:
 
     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;
@@ -388,7 +395,7 @@ public:
         dc.DrawLine(p3, p1);
 
         //works in multicolor modes; on GTK (at least) will fail in 16-bit color
-        dc.SetBrush(wxBrush(m_col, wxSOLID));
+        dc.SetBrush(wxBrush(m_col));
         dc.FloodFill(GetCentre(), m_col, wxFLOOD_BORDER);
     }
 };
@@ -424,7 +431,7 @@ public:
         dc.DrawLine(p3, p4);
         dc.DrawLine(p4, p1);
 
-        dc.SetBrush(wxBrush(m_col, wxSOLID));
+        dc.SetBrush(wxBrush(m_col));
         dc.FloodFill(GetCentre(), m_col, wxFLOOD_BORDER);
     }
 };
@@ -452,7 +459,7 @@ public:
 
         dc.DrawEllipse(m_pos, m_size);
 
-        dc.SetBrush(wxBrush(m_col, wxSOLID));
+        dc.SetBrush(wxBrush(m_col));
         dc.FloodFill(GetCentre(), m_col, wxFLOOD_BORDER);
     }
 };
@@ -494,9 +501,9 @@ 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;
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
         m_hasMetaFile = false;
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
     }
 
     virtual ~DnDShapeDataObject() { delete m_shape; }
@@ -513,9 +520,9 @@ public:
 
         m_shape = (DnDShape *)NULL;
         m_hasBitmap = false;
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
         m_hasMetaFile = false;
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
         return shape;
     }
@@ -537,9 +544,9 @@ public:
             // but the bitmap format(s) are only supported for output
             nFormats += m_dobjBitmap.GetFormatCount(dir);
 
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
             nFormats += m_dobjMetaFile.GetFormatCount(dir);
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
         }
 
         return nFormats;
@@ -554,11 +561,11 @@ public:
             // under Windows
             m_dobjBitmap.GetAllFormats(&formats[1], dir);
 
-#if wxUSE_METAFILES
+#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_METAFILES
+#endif // wxUSE_METAFILE
         }
     }
 
@@ -568,7 +575,7 @@ public:
         {
             return m_shape->GetDataSize();
         }
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
         else if ( m_dobjMetaFile.IsSupported(format) )
         {
             if ( !m_hasMetaFile )
@@ -576,7 +583,7 @@ public:
 
             return m_dobjMetaFile.GetDataSize(format);
         }
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
         else
         {
             wxASSERT_MSG( m_dobjBitmap.IsSupported(format),
@@ -597,7 +604,7 @@ public:
 
             return true;
         }
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
         else if ( m_dobjMetaFile.IsSupported(format) )
         {
             if ( !m_hasMetaFile )
@@ -605,7 +612,7 @@ public:
 
             return m_dobjMetaFile.GetDataHere(format, pBuf);
         }
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
         else
         {
             wxASSERT_MSG( m_dobjBitmap.IsSupported(format),
@@ -630,9 +637,9 @@ public:
         // the shape has changed
         m_hasBitmap = false;
 
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
         m_hasMetaFile = false;
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
         return true;
     }
@@ -640,19 +647,19 @@ public:
 private:
     // creates a bitmap and assigns it to m_dobjBitmap (also sets m_hasBitmap)
     void CreateBitmap() const;
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
     void CreateMetaFile() const;
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
     wxDataFormat        m_formatShape;  // our custom format
 
     wxBitmapDataObject  m_dobjBitmap;   // it handles bitmaps
     bool                m_hasBitmap;    // true if m_dobjBitmap has valid bitmap
 
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
     wxMetaFileDataObject m_dobjMetaFile;// handles metafiles
     bool                 m_hasMetaFile; // true if we have valid metafile
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
     DnDShape           *m_shape;        // our data
 };
@@ -747,16 +754,16 @@ public:
 
     // override base class (pure) virtuals
     virtual wxDragResult OnEnter(wxCoord x, wxCoord y, wxDragResult def)
-    { 
+    {
 #if wxUSE_STATUSBAR
-        m_frame->SetStatusText(_T("Mouse entered the frame")); 
+        m_frame->SetStatusText(wxT("Mouse entered the frame"));
 #endif // wxUSE_STATUSBAR
-        return OnDragOver(x, y, def); 
+        return OnDragOver(x, y, def);
     }
     virtual void OnLeave()
-    { 
+    {
 #if wxUSE_STATUSBAR
-        m_frame->SetStatusText(_T("Mouse left the frame")); 
+        m_frame->SetStatusText(wxT("Mouse left the frame"));
 #endif // wxUSE_STATUSBAR
     }
     virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def)
@@ -786,9 +793,9 @@ private:
 
 static void ShowBitmap(const wxBitmap& bitmap);
 
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
 static void ShowMetaFile(const wxMetaFile& metafile);
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
 // ----------------------------------------------------------------------------
 // IDs for the menu commands
@@ -810,6 +817,8 @@ enum
     Menu_PasteBitmap,
     Menu_PasteMFile,
     Menu_CopyFiles,
+    Menu_CopyURL,
+    Menu_UsePrimary,
     Menu_Shape_New = 500,
     Menu_Shape_Edit,
     Menu_Shape_Clear,
@@ -833,10 +842,12 @@ BEGIN_EVENT_TABLE(DnDFrame, wxFrame)
     EVT_MENU(Menu_Paste,      DnDFrame::OnPaste)
     EVT_MENU(Menu_CopyBitmap, DnDFrame::OnCopyBitmap)
     EVT_MENU(Menu_PasteBitmap,DnDFrame::OnPasteBitmap)
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
     EVT_MENU(Menu_PasteMFile, DnDFrame::OnPasteMetafile)
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
     EVT_MENU(Menu_CopyFiles,  DnDFrame::OnCopyFiles)
+    EVT_MENU(Menu_CopyURL,    DnDFrame::OnCopyURL)
+    EVT_MENU(Menu_UsePrimary, DnDFrame::OnUsePrimary)
 
     EVT_UPDATE_UI(Menu_DragMoveDef, DnDFrame::OnUpdateUIMoveByDefault)
 
@@ -877,11 +888,11 @@ BEGIN_EVENT_TABLE(DnDCanvasBitmap, wxScrolledWindow)
     EVT_PAINT(DnDCanvasBitmap::OnPaint)
 END_EVENT_TABLE()
 
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
 BEGIN_EVENT_TABLE(DnDCanvasMetafile, wxScrolledWindow)
     EVT_PAINT(DnDCanvasMetafile::OnPaint)
 END_EVENT_TABLE()
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
 #endif // wxUSE_DRAG_AND_DROP
 
@@ -892,11 +903,14 @@ END_EVENT_TABLE()
 // `Main program' equivalent, creating windows and returning main app frame
 bool DnDApp::OnInit()
 {
+    if ( !wxApp::OnInit() )
+        return false;
+
 #if wxUSE_DRAG_AND_DROP || wxUSE_CLIPBOARD
     // switch on trace messages
 #if wxUSE_LOG
 #if defined(__WXGTK__)
-    wxLog::AddTraceMask(_T("clipboard"));
+    wxLog::AddTraceMask(wxT("clipboard"));
 #elif defined(__WXMSW__)
     wxLog::AddTraceMask(wxTRACE_OleCalls);
 #endif
@@ -906,36 +920,26 @@ bool DnDApp::OnInit()
     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,
-                                   _T("Drag-and-Drop/Clipboard wxWidgets Sample"),
-                                   10, 100, 650, 340);
-
-    // activate it
-    frame->Show(true);
-
-    SetTopWindow(frame);
+    new DnDFrame();
 
     return true;
 #else
-    wxMessageBox( _T("This sample has to be compiled with wxUSE_DRAG_AND_DROP"), _T("Building error"), wxOK);
+    wxMessageBox( wxT("This sample has to be compiled with wxUSE_DRAG_AND_DROP"), wxT("Building error"), wxOK);
     return false;
 #endif // wxUSE_DRAG_AND_DROP
 }
 
 #if wxUSE_DRAG_AND_DROP || wxUSE_CLIPBOARD
 
-DnDFrame::DnDFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h)
-        : wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h)),
-          m_strText(_T("wxWidgets drag & drop works :-)"))
+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();
@@ -943,57 +947,64 @@ DnDFrame::DnDFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h)
 
     // construct menu
     wxMenu *file_menu = new wxMenu;
-    file_menu->Append(Menu_Drag, _T("&Test drag..."));
-    file_menu->AppendCheckItem(Menu_DragMoveDef, _T("&Move by default"));
-    file_menu->AppendCheckItem(Menu_DragMoveAllow, _T("&Allow moving"));
+    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, _T("&New frame\tCtrl-N"));
+    file_menu->Append(Menu_NewFrame, wxT("&New frame\tCtrl-N"));
     file_menu->AppendSeparator();
-    file_menu->Append(Menu_Quit, _T("E&xit\tCtrl-Q"));
+    file_menu->Append(Menu_Quit, wxT("E&xit\tCtrl-Q"));
 
 #if wxUSE_LOG
     wxMenu *log_menu = new wxMenu;
-    log_menu->Append(Menu_Clear, _T("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, _T("&Help..."));
+    help_menu->Append(Menu_Help, wxT("&Help..."));
     help_menu->AppendSeparator();
-    help_menu->Append(Menu_About, _T("&About"));
+    help_menu->Append(Menu_About, wxT("&About"));
 
     wxMenu *clip_menu = new wxMenu;
-    clip_menu->Append(Menu_Copy, _T("&Copy text\tCtrl-C"));
-    clip_menu->Append(Menu_Paste, _T("&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, _T("Copy &bitmap\tCtrl-Shift-C"));
-    clip_menu->Append(Menu_PasteBitmap, _T("Paste b&itmap\tCtrl-Shift-V"));
-#if wxUSE_METAFILES
+    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_PasteMFile, _T("Paste &metafile\tCtrl-M"));
-#endif // wxUSE_METAFILES
+    clip_menu->Append(Menu_PasteMFile, wxT("Paste &metafile\tCtrl-M"));
+#endif // wxUSE_METAFILE
     clip_menu->AppendSeparator();
-    clip_menu->Append(Menu_CopyFiles, _T("Copy &files\tCtrl-F"));
+    clip_menu->Append(Menu_CopyFiles, wxT("Copy &files\tCtrl-F"));
+    clip_menu->Append(Menu_CopyURL, wxT("Copy &URL\tCtrl-U"));
+    clip_menu->AppendSeparator();
+    clip_menu->AppendCheckItem(Menu_UsePrimary, wxT("Use &primary selection\tCtrl-P"));
 
     wxMenuBar *menu_bar = new wxMenuBar;
-    menu_bar->Append(file_menu, _T("&File"));
+    menu_bar->Append(file_menu, wxT("&File"));
 #if wxUSE_LOG
-    menu_bar->Append(log_menu,  _T("&Log"));
+    menu_bar->Append(log_menu,  wxT("&Log"));
 #endif // wxUSE_LOG
-    menu_bar->Append(clip_menu, _T("&Clipboard"));
-    menu_bar->Append(help_menu, _T("&Help"));
+    menu_bar->Append(clip_menu, wxT("&Clipboard"));
+    menu_bar->Append(help_menu, wxT("&Help"));
 
     SetMenuBar(menu_bar);
 
-    // make a panel with 3 subwindows
-    wxString strFile(_T("Drop files here!")), strText(_T("Drop text on me"));
+    // create the child controls
+    SetBackgroundColour(*wxWHITE); // labels read better on this background
+
+    wxString strFile(wxT("Drop files here!")), strText(wxT("Drop text on me"));
 
     m_ctrlFile  = new wxListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, 1, &strFile,
                                 wxLB_HSCROLL | wxLB_ALWAYS_SB );
     m_ctrlText  = new wxListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, 1, &strText,
                                 wxLB_HSCROLL | wxLB_ALWAYS_SB );
+    m_ctrlDir   = new wxGenericDirCtrl(this);
 
 #if wxUSE_LOG
-    m_ctrlLog   = new wxTextCtrl(this, wxID_ANY, _T(""), wxDefaultPosition, wxDefaultSize,
+    m_ctrlLog   = new wxTextCtrl(this, wxID_ANY, wxEmptyString,
+                                 wxDefaultPosition, wxDefaultSize,
                                  wxTE_MULTILINE | wxTE_READONLY |
                                  wxSUNKEN_BORDER );
 
@@ -1006,29 +1017,53 @@ DnDFrame::DnDFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h)
     // associate drop targets with the controls
     m_ctrlFile->SetDropTarget(new DnDFile(m_ctrlFile));
     m_ctrlText->SetDropTarget(new DnDText(m_ctrlText));
+
+#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 *m_sizer_top = new wxBoxSizer( wxHORIZONTAL );
-    m_sizer_top->Add(m_ctrlFile, 1, wxEXPAND );
-    m_sizer_top->Add(m_ctrlText, 1, wxEXPAND );
+    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 *m_sizer = new wxBoxSizer( wxVERTICAL );
-    m_sizer->Add(m_sizer_top, 1, wxEXPAND );
+    wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
+    sizer->Add(sizer_top, 1, wxEXPAND );
 #if wxUSE_LOG
-    m_sizer->Add(m_ctrlLog, 1, wxEXPAND);
+    sizer->Add(m_ctrlLog, 2, wxEXPAND);
+    sizer->SetItemMinSize(m_ctrlLog, 450, 200);
 #endif // wxUSE_LOG
-    m_sizer->Add(0,50);
-
-    SetSizer( m_sizer );
-    m_sizer->SetSizeHints( this );
+    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))
@@ -1051,8 +1086,8 @@ void DnDFrame::OnPaint(wxPaintEvent& WXUNUSED(event))
 
     wxPaintDC dc(this);
     // dc.Clear(); -- this kills wxGTK
-    dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL, false, _T("charter") ) );
-    dc.DrawText( _T("Drag text from here!"), 100, h-50 );
+    dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL, false, wxT("charter") ) );
+    dc.DrawText( wxT("Drag text from here!"), 100, h-50 );
 }
 
 void DnDFrame::OnUpdateUIMoveByDefault(wxUpdateUIEvent& event)
@@ -1097,11 +1132,11 @@ void DnDFrame::OnDrag(wxCommandEvent& WXUNUSED(event))
 #if wxUSE_DRAG_AND_DROP
     wxString strText = wxGetTextFromUser
         (
-            _T("After you enter text in this dialog, press any mouse\n")
-            _T("button in the bottom (empty) part of the frame and \n")
-            _T("drag it anywhere - you will be in fact dragging the\n")
-         _T("text object containing this text"),
-         _T("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;
@@ -1120,10 +1155,10 @@ void DnDFrame::OnDragMoveAllow(wxCommandEvent& event)
 
 void DnDFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
-    wxMessageBox(_T("Drag-&-Drop Demo\n")
-                 _T("Please see \"Help|Help...\" for details\n")
-                 _T("Copyright (c) 1998 Vadim Zeitlin"),
-                 _T("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);
 }
@@ -1131,27 +1166,27 @@ void DnDFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 void DnDFrame::OnHelp(wxCommandEvent& /* event */)
 {
     wxMessageDialog dialog(this,
-                           _T("This small program demonstrates drag & drop support in wxWidgets. The program window\n")
-                           _T("consists of 3 parts: the bottom pane is for debug messages, so that you can see what's\n")
-                           _T("going on inside. The top part is split into 2 listboxes, the left one accepts files\n")
-                           _T("and the right one accepts text.\n")
-                           _T("\n")
-                           _T("To test wxDropTarget: open wordpad (write.exe), select some text in it and drag it to\n")
-                           _T("the right listbox (you'll notice the usual visual feedback, i.e. the cursor will change).\n")
-                           _T("Also, try dragging some files (you can select several at once) from Windows Explorer (or \n")
-                           _T("File Manager) to the left pane. Hold down Ctrl/Shift keys when you drop text (doesn't \n")
-                           _T("work with files) and see what changes.\n")
-                           _T("\n")
-                           _T("To test wxDropSource: just press any mouse button on the empty zone of the window and drag\n")
-                           _T("it to wordpad or any other droptarget accepting text (and of course you can just drag it\n")
-                           _T("to the right pane). Due to a lot of trace messages, the cursor might take some time to \n")
-                           _T("change, don't release the mouse button until it does. You can change the string being\n")
-                           _T("dragged in in \"File|Test drag...\" dialog.\n")
-                           _T("\n")
-                           _T("\n")
-                           _T("Please send all questions/bug reports/suggestions &c to \n")
-                           _T("Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>"),
-                           _T("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();
 }
@@ -1165,18 +1200,37 @@ void DnDFrame::OnLogClear(wxCommandEvent& /* event */ )
 }
 #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 wxUSE_DRAG_AND_DROP
-    if ( !m_strText.IsEmpty() )
+    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,
                             wxDROP_ICON(dnd_copy),
                             wxDROP_ICON(dnd_move),
@@ -1188,35 +1242,18 @@ void DnDFrame::OnLeftDown(wxMouseEvent &WXUNUSED(event) )
         else if ( m_moveAllow )
             flags |= wxDrag_AllowMove;
 
-        wxDragResult result = source.DoDragDrop(flags);
-
-#if wxUSE_STATUSBAR
-        const wxChar *pc;
-        switch ( result )
-        {
-            case wxDragError:   pc = _T("Error!");    break;
-            case wxDragNone:    pc = _T("Nothing");   break;
-            case wxDragCopy:    pc = _T("Copied");    break;
-            case wxDragMove:    pc = _T("Moved");     break;
-            case wxDragCancel:  pc = _T("Cancelled"); break;
-            default:            pc = _T("Huh?");      break;
-        }
-
-        SetStatusText(wxString(_T("Drag result: ")) + pc);
-#else
-        wxUnusedVar(result);
-#endif // wxUSE_STATUSBAR
+        LogDragResult(source.DoDragDrop(flags));
     }
 #endif // wxUSE_DRAG_AND_DROP
 }
 
 void DnDFrame::OnRightDown(wxMouseEvent &event )
 {
-    wxMenu menu(_T("Dnd sample menu"));
+    wxMenu menu(wxT("Dnd sample menu"));
 
-    menu.Append(Menu_Drag, _T("&Test drag..."));
+    menu.Append(Menu_Drag, wxT("&Test drag..."));
     menu.AppendSeparator();
-    menu.Append(Menu_About, _T("&About"));
+    menu.Append(Menu_About, wxT("&About"));
 
     PopupMenu( &menu, event.GetX(), event.GetY() );
 }
@@ -1231,6 +1268,30 @@ DnDFrame::~DnDFrame()
 #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
 // ---------------------------------------------------------------------------
@@ -1239,26 +1300,26 @@ void DnDFrame::OnCopyBitmap(wxCommandEvent& WXUNUSED(event))
 {
     // PNG support is not always compiled in under Windows, so use BMP there
 #if wxUSE_LIBPNG
-    wxFileDialog dialog(this, _T("Open a PNG file"), _T(""), _T(""), _T("PNG files (*.png)|*.png"), 0);
+    wxFileDialog dialog(this, wxT("Open a PNG file"), wxEmptyString, wxEmptyString, wxT("PNG files (*.png)|*.png"), 0);
 #else
-    wxFileDialog dialog(this, _T("Open a BMP file"), _T(""), _T(""), _T("BMP files (*.bmp)|*.bmp"), 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;
     }
 
@@ -1270,35 +1331,35 @@ void DnDFrame::OnCopyBitmap(wxCommandEvent& WXUNUSED(event))
                     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 );
 
     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();
@@ -1308,14 +1369,14 @@ 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;
@@ -1324,13 +1385,13 @@ 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
     {
         const wxBitmap& bmp = data.GetBitmap();
 
-        wxLogMessage(_T("Bitmap %dx%d pasted from the clipboard"),
+        wxLogMessage(wxT("Bitmap %dx%d pasted from the clipboard"),
                      bmp.GetWidth(), bmp.GetHeight());
         ShowBitmap(bmp);
     }
@@ -1338,33 +1399,33 @@ void DnDFrame::OnPasteBitmap(wxCommandEvent& WXUNUSED(event))
     wxTheClipboard->Close();
 }
 
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
 
 void DnDFrame::OnPasteMetafile(wxCommandEvent& WXUNUSED(event))
 {
     if ( !wxTheClipboard->Open() )
     {
-        wxLogError(_T("Can't open clipboard."));
+        wxLogError(wxT("Can't open clipboard."));
 
         return;
     }
 
     if ( !wxTheClipboard->IsSupported(wxDF_METAFILE) )
     {
-        wxLogWarning(_T("No metafile on clipboard"));
+        wxLogWarning(wxT("No metafile on clipboard"));
     }
     else
     {
         wxMetaFileDataObject data;
         if ( !wxTheClipboard->GetData(data) )
         {
-            wxLogError(_T("Can't paste metafile from the clipboard"));
+            wxLogError(wxT("Can't paste metafile from the clipboard"));
         }
         else
         {
             const wxMetaFile& mf = data.GetMetafile();
 
-            wxLogMessage(_T("Metafile %dx%d pasted from the clipboard"),
+            wxLogMessage(wxT("Metafile %dx%d pasted from the clipboard"),
                          mf.GetWidth(), mf.GetHeight());
 
             ShowMetaFile(mf);
@@ -1374,7 +1435,7 @@ void DnDFrame::OnPasteMetafile(wxCommandEvent& WXUNUSED(event))
     wxTheClipboard->Close();
 }
 
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
 // ----------------------------------------------------------------------------
 // file clipboard
@@ -1383,8 +1444,8 @@ void DnDFrame::OnPasteMetafile(wxCommandEvent& WXUNUSED(event))
 void DnDFrame::OnCopyFiles(wxCommandEvent& WXUNUSED(event))
 {
 #ifdef __WXMSW__
-    wxFileDialog dialog(this, _T("Select a file to copy"), _T(""), _T(""),
-                         _T("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 )
@@ -1415,7 +1476,7 @@ void DnDFrame::OnCopyFiles(wxCommandEvent& WXUNUSED(event))
             else
             {
                 wxLogStatus(this, wxT("%d file%s copied to the clipboard"),
-                            count, count == 1 ? wxT("") : wxT("s"));
+                            count, count == 1 ? wxEmptyString : wxEmptyString);
             }
         }
     }
@@ -1428,6 +1489,27 @@ void DnDFrame::OnCopyFiles(wxCommandEvent& WXUNUSED(event))
 #endif // MSW/!MSW
 }
 
+void DnDFrame::OnCopyURL(wxCommandEvent& WXUNUSED(event))
+{
+    // Just hard code it for now, we could ask the user but the point here is
+    // to test copying URLs, it doesn't really matter what it is.
+    const wxString url("http://www.wxwidgets.org/");
+
+    wxClipboardLocker locker;
+    if ( !!locker && wxTheClipboard->AddData(new wxURLDataObject(url)) )
+    {
+        wxLogStatus(this, "Copied URL \"%s\" to %s.",
+                    url,
+                    GetMenuBar()->IsChecked(Menu_UsePrimary)
+                        ? "primary selection"
+                        : "clipboard");
+    }
+    else
+    {
+        wxLogError("Failed to copy URL.");
+    }
+}
+
 // ---------------------------------------------------------------------------
 // text clipboard
 // ---------------------------------------------------------------------------
@@ -1436,18 +1518,18 @@ 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();
@@ -1457,14 +1539,14 @@ 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;
@@ -1473,11 +1555,11 @@ 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());
     }
 
@@ -1501,10 +1583,13 @@ bool DnDFile::OnDropFiles(wxCoord, wxCoord, const wxArrayString& filenames)
 {
     size_t nFiles = filenames.GetCount();
     wxString str;
-    str.Printf( _T("%d files dropped"), (int)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;
@@ -1517,7 +1602,7 @@ 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 ),
-             wxRAISED_BORDER|wxCAPTION|wxTHICK_FRAME|wxSYSTEM_MENU )
+             wxDEFAULT_DIALOG_STYLE | wxRAISED_BORDER | wxRESIZE_BORDER )
 {
     m_shape = shape;
     wxBoxSizer* topSizer = new wxBoxSizer( wxVERTICAL );
@@ -1536,7 +1621,7 @@ DnDShapeDialog::DnDShapeDialog(wxFrame *parent, DnDShape *shape)
     // attributes
     wxStaticBox* box = new wxStaticBox( this, wxID_ANY, wxT("&Attributes") );
     wxStaticBoxSizer* attrSizer = new wxStaticBoxSizer( box, wxHORIZONTAL );
-    wxFlexGridSizer* xywhSizer = new wxFlexGridSizer( 4, 2 );
+    wxFlexGridSizer* xywhSizer = new wxFlexGridSizer( 2 );
 
     wxStaticText* st;
 
@@ -1578,8 +1663,7 @@ DnDShapeDialog::DnDShapeDialog(wxFrame *parent, DnDShape *shape)
     buttonSizer->Add( bt, 0, wxALL, 2 );
     topSizer->Add( buttonSizer, 0, wxALL|wxALIGN_RIGHT, 2 );
 
-    SetSizer( topSizer );
-    topSizer->Fit( this );
+    SetSizerAndFit( topSizer );
 }
 
 DnDShape *DnDShapeDialog::GetShape() const
@@ -1630,8 +1714,8 @@ bool DnDShapeDialog::TransferDataFromWindow()
 
     if ( !m_pos.x || !m_pos.y || !m_size.x || !m_size.y )
     {
-        wxMessageBox(_T("All sizes and positions should be non null!"),
-                     _T("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;
     }
@@ -1645,7 +1729,7 @@ void DnDShapeDialog::OnColour(wxCommandEvent& WXUNUSED(event))
     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);
     }
 
@@ -1663,30 +1747,30 @@ void DnDShapeDialog::OnColour(wxCommandEvent& WXUNUSED(event))
 DnDShapeFrame *DnDShapeFrame::ms_lastDropTarget = NULL;
 
 DnDShapeFrame::DnDShapeFrame(wxFrame *parent)
-             : wxFrame(parent, wxID_ANY, _T("Shape Frame"))
+             : wxFrame(parent, wxID_ANY, wxT("Shape Frame"))
 {
 #if wxUSE_STATUSBAR
     CreateStatusBar();
 #endif // wxUSE_STATUSBAR
 
     wxMenu *menuShape = new wxMenu;
-    menuShape->Append(Menu_Shape_New, _T("&New default shape\tCtrl-S"));
-    menuShape->Append(Menu_Shape_Edit, _T("&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, _T("&Clear shape\tCtrl-L"));
+    menuShape->Append(Menu_Shape_Clear, wxT("&Clear shape\tCtrl-L"));
 
     wxMenu *menuClipboard = new wxMenu;
-    menuClipboard->Append(Menu_ShapeClipboard_Copy, _T("&Copy\tCtrl-C"));
-    menuClipboard->Append(Menu_ShapeClipboard_Paste, _T("&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, _T("&Shape"));
-    menubar->Append(menuClipboard, _T("&Clipboard"));
+    menubar->Append(menuShape, wxT("&Shape"));
+    menubar->Append(menuClipboard, wxT("&Clipboard"));
 
     SetMenuBar(menubar);
 
 #if wxUSE_STATUSBAR
-    SetStatusText(_T("Press Ctrl-S to create a new shape"));
+    SetStatusText(wxT("Press Ctrl-S to create a new shape"));
 #endif // wxUSE_STATUSBAR
 
     SetDropTarget(new DnDShapeDropTarget(this));
@@ -1729,21 +1813,21 @@ void DnDShapeFrame::OnDrag(wxMouseEvent& event)
     {
         default:
         case wxDragError:
-            wxLogError(wxT("An error occured during drag and drop operation"));
+            wxLogError(wxT("An error occurred during drag and drop operation"));
             break;
 
         case wxDragNone:
 #if wxUSE_STATUSBAR
-            SetStatusText(_T("Nothing happened"));
+            SetStatusText(wxT("Nothing happened"));
 #endif // wxUSE_STATUSBAR
             break;
 
         case wxDragCopy:
-            pc = _T("copied");
+            pc = wxT("copied");
             break;
 
         case wxDragMove:
-            pc = _T("moved");
+            pc = wxT("moved");
             if ( ms_lastDropTarget != this )
             {
                 // don't delete the shape if we dropped it on ourselves!
@@ -1753,7 +1837,7 @@ void DnDShapeFrame::OnDrag(wxMouseEvent& event)
 
         case wxDragCancel:
 #if wxUSE_STATUSBAR
-            SetStatusText(_T("Drag and drop operation cancelled"));
+            SetStatusText(wxT("Drag and drop operation cancelled"));
 #endif // wxUSE_STATUSBAR
             break;
     }
@@ -1761,7 +1845,7 @@ void DnDShapeFrame::OnDrag(wxMouseEvent& event)
     if ( pc )
     {
 #if wxUSE_STATUSBAR
-        SetStatusText(wxString(_T("Shape successfully ")) + pc);
+        SetStatusText(wxString(wxT("Shape successfully ")) + pc);
 #endif // wxUSE_STATUSBAR
     }
     //else: status text already set
@@ -1793,7 +1877,7 @@ void DnDShapeFrame::OnEditShape(wxCommandEvent& WXUNUSED(event))
 #if wxUSE_STATUSBAR
         if ( m_shape )
         {
-            SetStatusText(_T("You can now drag the shape to another frame"));
+            SetStatusText(wxT("You can now drag the shape to another frame"));
         }
 #endif // wxUSE_STATUSBAR
     }
@@ -1804,7 +1888,7 @@ void DnDShapeFrame::OnNewShape(wxCommandEvent& WXUNUSED(event))
     SetShape(new DnDEllipticShape(wxPoint(10, 10), wxSize(80, 60), *wxRED));
 
 #if wxUSE_STATUSBAR
-    SetStatusText(_T("You can now drag the shape to another frame"));
+    SetStatusText(wxT("You can now drag the shape to another frame"));
 #endif // wxUSE_STATUSBAR
 }
 
@@ -1908,7 +1992,7 @@ DnDShape *DnDShape::New(const void *buf)
 // DnDShapeDataObject
 // ----------------------------------------------------------------------------
 
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
 
 void DnDShapeDataObject::CreateMetaFile() const
 {
@@ -1928,7 +2012,7 @@ void DnDShapeDataObject::CreateMetaFile() const
     delete mf;
 }
 
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
 void DnDShapeDataObject::CreateBitmap() const
 {
@@ -1939,7 +2023,7 @@ void DnDShapeDataObject::CreateBitmap() const
     wxBitmap bitmap(x, y);
     wxMemoryDC dc;
     dc.SelectObject(bitmap);
-    dc.SetBrush(wxBrush(wxT("white"), wxSOLID));
+    dc.SetBrush(*wxWHITE_BRUSH);
     dc.Clear();
     m_shape->Draw(dc);
     dc.SelectObject(wxNullBitmap);
@@ -1957,7 +2041,7 @@ void DnDShapeDataObject::CreateBitmap() const
 
 static void ShowBitmap(const wxBitmap& bitmap)
 {
-    wxFrame *frame = new wxFrame(NULL, wxID_ANY, _T("Bitmap view"));
+    wxFrame *frame = new wxFrame(NULL, wxID_ANY, wxT("Bitmap view"));
 #if wxUSE_STATUSBAR
     frame->CreateStatusBar();
 #endif // wxUSE_STATUSBAR
@@ -1967,30 +2051,30 @@ static void ShowBitmap(const wxBitmap& bitmap)
     int w = bitmap.GetWidth(),
         h = bitmap.GetHeight();
 #if wxUSE_STATUSBAR
-    frame->SetStatusText(wxString::Format(_T("%dx%d"), w, h));
+    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_METAFILES
+#if wxUSE_METAFILE
 
 static void ShowMetaFile(const wxMetaFile& metafile)
 {
-    wxFrame *frame = new wxFrame(NULL, wxID_ANY, _T("Metafile view"));
+    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(_T("%dx%d"), size.x, size.y));
+    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_METAFILES
+#endif // wxUSE_METAFILE
 
 #endif // wxUSE_DRAG_AND_DROP || wxUSE_CLIPBOARD