]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/dnd/dnd.cpp
put MyFrame creation code in its ctor, not in MyApp; create a status bar to show...
[wxWidgets.git] / samples / dnd / dnd.cpp
index 6790045247e4fb47069d1bf9101f38edaabcd58b..9c2651c34bf5ea12577d405241e74a271ef20622 100644 (file)
 #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"
-
-#if wxUSE_METAFILES
-    #include "wx/metafile.h"
-#endif // wxUSE_METAFILES
+#include "wx/metafile.h"
+#include "wx/dirctrl.h"
 
 #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
-    #include "mondrian.xpm"
-
+    #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
 
@@ -64,7 +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);
@@ -82,7 +75,7 @@ class URLDropTarget : public wxDropTarget
 public:
     URLDropTarget() { SetDataObject(new wxURLDataObject); }
 
-    void OnDropURL(wxCoord x, wxCoord y, const wxString& text)
+    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"),
@@ -91,7 +84,7 @@ public:
 
     // URLs can't be moved, only copied
     virtual wxDragResult OnDragOver(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
-                                    wxDragResult def)
+                                    wxDragResult WXUNUSED(def))
         {
             return wxDragLink;  // At least IE 5.x needs wxDragLink, the
                                 // other browsers on MSW seem okay with it too.
@@ -121,7 +114,7 @@ public:
     virtual bool OnInit();
 };
 
-IMPLEMENT_APP(DnDApp);
+IMPLEMENT_APP(DnDApp)
 
 #if wxUSE_DRAG_AND_DROP || wxUSE_CLIPBOARD
 
@@ -144,7 +137,7 @@ public:
         Refresh();
     }
 
-    void OnPaint(wxPaintEvent& event)
+    void OnPaint(wxPaintEvent& WXUNUSED(event))
     {
         wxPaintDC dc(this);
 
@@ -162,7 +155,7 @@ private:
     DECLARE_EVENT_TABLE()
 };
 
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
 
 // and the same thing fo metafiles
 class DnDCanvasMetafile : public wxScrolledWindow
@@ -180,7 +173,7 @@ public:
         Refresh();
     }
 
-    void OnPaint(wxPaintEvent& event)
+    void OnPaint(wxPaintEvent&)
     {
         wxPaintDC dc(this);
 
@@ -198,7 +191,7 @@ private:
     DECLARE_EVENT_TABLE()
 };
 
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
 // ----------------------------------------------------------------------------
 // Define a new frame type for the main frame
@@ -207,7 +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);
@@ -219,7 +212,9 @@ public:
     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);
@@ -227,30 +222,44 @@ 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 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;
@@ -259,7 +268,10 @@ private:
     bool m_moveAllow;
 
     // the text we drag
-    wxString  m_strText;
+    wxString m_strText;
+
+
+    DECLARE_EVENT_TABLE()
 };
 
 // ----------------------------------------------------------------------------
@@ -339,10 +351,10 @@ 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;
@@ -488,9 +500,9 @@ 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; }
@@ -507,9 +519,9 @@ 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;
     }
@@ -531,9 +543,9 @@ 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;
@@ -548,11 +560,11 @@ 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
         }
     }
 
@@ -562,7 +574,7 @@ public:
         {
             return m_shape->GetDataSize();
         }
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
         else if ( m_dobjMetaFile.IsSupported(format) )
         {
             if ( !m_hasMetaFile )
@@ -570,7 +582,7 @@ public:
 
             return m_dobjMetaFile.GetDataSize(format);
         }
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
         else
         {
             wxASSERT_MSG( m_dobjBitmap.IsSupported(format),
@@ -591,7 +603,7 @@ public:
 
             return true;
         }
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
         else if ( m_dobjMetaFile.IsSupported(format) )
         {
             if ( !m_hasMetaFile )
@@ -599,7 +611,7 @@ public:
 
             return m_dobjMetaFile.GetDataHere(format, pBuf);
         }
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
         else
         {
             wxASSERT_MSG( m_dobjBitmap.IsSupported(format),
@@ -613,7 +625,7 @@ public:
     }
 
     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,
                      wxT( "unsupported format") );
@@ -624,9 +636,9 @@ 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;
     }
@@ -634,19 +646,19 @@ 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
 };
@@ -741,9 +753,18 @@ public:
 
     // override base class (pure) virtuals
     virtual wxDragResult OnEnter(wxCoord x, wxCoord y, wxDragResult def)
-        { m_frame->SetStatusText(_T("Mouse entered the frame")); return OnDragOver(x, y, def); }
+    {
+#if wxUSE_STATUSBAR
+        m_frame->SetStatusText(_T("Mouse entered the frame"));
+#endif // wxUSE_STATUSBAR
+        return OnDragOver(x, y, def);
+    }
     virtual void OnLeave()
-        { m_frame->SetStatusText(_T("Mouse left the frame")); }
+    {
+#if wxUSE_STATUSBAR
+        m_frame->SetStatusText(_T("Mouse left the frame"));
+#endif // wxUSE_STATUSBAR
+    }
     virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def)
     {
         if ( !GetData() )
@@ -771,9 +792,9 @@ 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
@@ -795,6 +816,7 @@ enum
     Menu_PasteBitmap,
     Menu_PasteMFile,
     Menu_CopyFiles,
+    Menu_UsePrimary,
     Menu_Shape_New = 500,
     Menu_Shape_Edit,
     Menu_Shape_Clear,
@@ -811,15 +833,18 @@ BEGIN_EVENT_TABLE(DnDFrame, wxFrame)
     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_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_UsePrimary, DnDFrame::OnUsePrimary)
 
     EVT_UPDATE_UI(Menu_DragMoveDef, DnDFrame::OnUpdateUIMoveByDefault)
 
@@ -860,11 +885,11 @@ 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
 
@@ -875,31 +900,25 @@ 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"));
 #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,
-                                   _T("Drag-and-Drop/Clipboard wxWindows Sample"),
-                                   10, 100, 650, 340);
-
-    // activate it
-    frame->Show(true);
-
-    SetTopWindow(frame);
+    new DnDFrame();
 
     return true;
 #else
@@ -910,15 +929,18 @@ bool DnDApp::OnInit()
 
 #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("wxWindows drag & drop works :-)"))
+DnDFrame::DnDFrame()
+        : wxFrame(NULL, wxID_ANY, _T("Drag-and-Drop/Clipboard wxWidgets Sample"),
+                  wxPoint(10, 100)),
+          m_strText(_T("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;
@@ -930,8 +952,10 @@ DnDFrame::DnDFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h)
     file_menu->AppendSeparator();
     file_menu->Append(Menu_Quit, _T("E&xit\tCtrl-Q"));
 
+#if wxUSE_LOG
     wxMenu *log_menu = new wxMenu;
     log_menu->Append(Menu_Clear, _T("Clear\tCtrl-L"));
+#endif // wxUSE_LOG
 
     wxMenu *help_menu = new wxMenu;
     help_menu->Append(Menu_Help, _T("&Help..."));
@@ -944,59 +968,98 @@ DnDFrame::DnDFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h)
     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
+#if wxUSE_METAFILE
     clip_menu->AppendSeparator();
     clip_menu->Append(Menu_PasteMFile, _T("Paste &metafile\tCtrl-M"));
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
     clip_menu->AppendSeparator();
     clip_menu->Append(Menu_CopyFiles, _T("Copy &files\tCtrl-F"));
+    clip_menu->AppendSeparator();
+    clip_menu->AppendCheckItem(Menu_UsePrimary, _T("Use &primary selection\tCtrl-P"));
 
     wxMenuBar *menu_bar = new wxMenuBar;
     menu_bar->Append(file_menu, _T("&File"));
+#if wxUSE_LOG
     menu_bar->Append(log_menu,  _T("&Log"));
+#endif // wxUSE_LOG
     menu_bar->Append(clip_menu, _T("&Clipboard"));
     menu_bar->Append(help_menu, _T("&Help"));
 
     SetMenuBar(menu_bar);
 
-    // make a panel with 3 subwindows
+    // create the child controls
+    SetBackgroundColour(*wxWHITE); // labels read better on this background
+
     wxString strFile(_T("Drop files here!")), strText(_T("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);
 
-    m_ctrlLog   = new wxTextCtrl(this, wxID_ANY, _T(""), wxDefaultPosition, wxDefaultSize,
+#if wxUSE_LOG
+    m_ctrlLog   = new wxTextCtrl(this, wxID_ANY, wxEmptyString,
+                                 wxDefaultPosition, wxDefaultSize,
                                  wxTE_MULTILINE | wxTE_READONLY |
                                  wxSUNKEN_BORDER );
 
     // redirect log messages to the text window
     m_pLog = new wxLogTextCtrl(m_ctrlLog);
     m_pLogPrev = wxLog::SetActiveTarget(m_pLog);
+#endif // wxUSE_LOG
 
 #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));
+
+#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 *m_sizer = new wxBoxSizer( wxVERTICAL );
-    m_sizer->Add(m_sizer_top, 1, wxEXPAND );
-    m_sizer->Add(m_ctrlLog, 1, wxEXPAND | wxBOTTOM, 50);
+    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 );
 
-    SetSizer( m_sizer );
-    m_sizer->SetSizeHints( this );
+    // 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))
@@ -1099,7 +1162,7 @@ void DnDFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 void DnDFrame::OnHelp(wxCommandEvent& /* event */)
 {
     wxMessageDialog dialog(this,
-                           _T("This small program demonstrates drag & drop support in wxWindows. The program window\n")
+                           _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")
@@ -1124,25 +1187,46 @@ void DnDFrame::OnHelp(wxCommandEvent& /* event */)
     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 = _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
+}
+
+#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),
@@ -1154,18 +1238,7 @@ void DnDFrame::OnLeftDown(wxMouseEvent &WXUNUSED(event) )
         else if ( m_moveAllow )
             flags |= wxDrag_AllowMove;
 
-        const wxChar *pc;
-        switch ( source.DoDragDrop(flags) )
-        {
-            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);
+        LogDragResult(source.DoDragDrop(flags));
     }
 #endif // wxUSE_DRAG_AND_DROP
 }
@@ -1183,12 +1256,38 @@ void DnDFrame::OnRightDown(wxMouseEvent &event )
 
 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(_T("Now using %s selection"), usePrimary ? _T("primary")
+                                                         : _T("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
 // ---------------------------------------------------------------------------
@@ -1197,9 +1296,9 @@ 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, _T("Open a PNG file"), wxEmptyString, wxEmptyString, _T("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, _T("Open a BMP file"), wxEmptyString, wxEmptyString, _T("BMP files (*.bmp)|*.bmp"), 0);
 #endif
 
     if (dialog.ShowModal() != wxID_OK)
@@ -1208,7 +1307,7 @@ void DnDFrame::OnCopyBitmap(wxCommandEvent& WXUNUSED(event))
         return;
     }
 
-    if (dialog.GetPath().IsEmpty())
+    if (dialog.GetPath().empty())
     {
         wxLogMessage( _T("Returned empty string.") );
         return;
@@ -1296,7 +1395,7 @@ void DnDFrame::OnPasteBitmap(wxCommandEvent& WXUNUSED(event))
     wxTheClipboard->Close();
 }
 
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
 
 void DnDFrame::OnPasteMetafile(wxCommandEvent& WXUNUSED(event))
 {
@@ -1332,7 +1431,7 @@ void DnDFrame::OnPasteMetafile(wxCommandEvent& WXUNUSED(event))
     wxTheClipboard->Close();
 }
 
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
 // ----------------------------------------------------------------------------
 // file clipboard
@@ -1341,7 +1440,7 @@ 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(""),
+    wxFileDialog dialog(this, _T("Select a file to copy"), wxEmptyString, wxEmptyString,
                          _T("All files (*.*)|*.*"), 0);
 
     wxArrayString filenames;
@@ -1373,7 +1472,7 @@ 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);
             }
         }
     }
@@ -1460,9 +1559,12 @@ 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]);
+
+    if (m_pOwner != NULL)
+    {
+        m_pOwner->Append(str);
+        for ( size_t n = 0; n < nFiles; n++ )
+            m_pOwner->Append(filenames[n]);
     }
 
     return true;
@@ -1475,7 +1577,7 @@ 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 );
@@ -1536,8 +1638,7 @@ 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
@@ -1603,7 +1704,7 @@ 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);
     }
 
@@ -1621,10 +1722,11 @@ void DnDShapeDialog::OnColour(wxCommandEvent& WXUNUSED(event))
 DnDShapeFrame *DnDShapeFrame::ms_lastDropTarget = NULL;
 
 DnDShapeFrame::DnDShapeFrame(wxFrame *parent)
-             : wxFrame(parent, wxID_ANY, _T("Shape Frame"),
-                       wxDefaultPosition, wxSize(250, 150))
+             : wxFrame(parent, wxID_ANY, _T("Shape Frame"))
 {
+#if wxUSE_STATUSBAR
     CreateStatusBar();
+#endif // wxUSE_STATUSBAR
 
     wxMenu *menuShape = new wxMenu;
     menuShape->Append(Menu_Shape_New, _T("&New default shape\tCtrl-S"));
@@ -1642,7 +1744,9 @@ DnDShapeFrame::DnDShapeFrame(wxFrame *parent)
 
     SetMenuBar(menubar);
 
+#if wxUSE_STATUSBAR
     SetStatusText(_T("Press Ctrl-S to create a new shape"));
+#endif // wxUSE_STATUSBAR
 
     SetDropTarget(new DnDShapeDropTarget(this));
 
@@ -1684,11 +1788,13 @@ 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"));
+#endif // wxUSE_STATUSBAR
             break;
 
         case wxDragCopy:
@@ -1705,13 +1811,17 @@ void DnDShapeFrame::OnDrag(wxMouseEvent& event)
             break;
 
         case wxDragCancel:
+#if wxUSE_STATUSBAR
             SetStatusText(_T("Drag and drop operation cancelled"));
+#endif // wxUSE_STATUSBAR
             break;
     }
 
     if ( pc )
     {
+#if wxUSE_STATUSBAR
         SetStatusText(wxString(_T("Shape successfully ")) + pc);
+#endif // wxUSE_STATUSBAR
     }
     //else: status text already set
 }
@@ -1722,9 +1832,11 @@ void DnDShapeFrame::OnDrop(wxCoord x, wxCoord y, DnDShape *shape)
 
     wxPoint pt(x, y);
 
+#if wxUSE_STATUSBAR
     wxString s;
     s.Printf(wxT("Shape dropped at (%d, %d)"), pt.x, pt.y);
     SetStatusText(s);
+#endif // wxUSE_STATUSBAR
 
     shape->Move(pt);
     SetShape(shape);
@@ -1737,10 +1849,12 @@ void DnDShapeFrame::OnEditShape(wxCommandEvent& WXUNUSED(event))
     {
         SetShape(dlg.GetShape());
 
+#if wxUSE_STATUSBAR
         if ( m_shape )
         {
             SetStatusText(_T("You can now drag the shape to another frame"));
         }
+#endif // wxUSE_STATUSBAR
     }
 }
 
@@ -1748,7 +1862,9 @@ 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"));
+#endif // wxUSE_STATUSBAR
 }
 
 void DnDShapeFrame::OnClearShape(wxCommandEvent& WXUNUSED(event))
@@ -1851,7 +1967,7 @@ DnDShape *DnDShape::New(const void *buf)
 // DnDShapeDataObject
 // ----------------------------------------------------------------------------
 
-#if wxUSE_METAFILES
+#if wxUSE_METAFILE
 
 void DnDShapeDataObject::CreateMetaFile() const
 {
@@ -1871,7 +1987,7 @@ void DnDShapeDataObject::CreateMetaFile() const
     delete mf;
 }
 
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
 void DnDShapeDataObject::CreateBitmap() const
 {
@@ -1901,19 +2017,23 @@ void DnDShapeDataObject::CreateBitmap() const
 static void ShowBitmap(const wxBitmap& bitmap)
 {
     wxFrame *frame = new wxFrame(NULL, wxID_ANY, _T("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(_T("%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)
 {
@@ -1930,6 +2050,6 @@ static void ShowMetaFile(const wxMetaFile& metafile)
     frame->Show();
 }
 
-#endif // wxUSE_METAFILES
+#endif // wxUSE_METAFILE
 
 #endif // wxUSE_DRAG_AND_DROP || wxUSE_CLIPBOARD