MSW compilation (and other) fixes

[wxWidgets.git] / samples / dnd / dnd.cpp

diff --git a/samples/dnd/dnd.cpp b/samples/dnd/dnd.cpp
index a2e20c79924e1bdb6c4e4bf6bdd76ed627f712c7..b8cc40a8c39361ecf1e7ee31c999b63a0e5ff1a2 100644 (file)
--- a/samples/dnd/dnd.cpp
+++ b/samples/dnd/dnd.cpp
@@ -19,17 +19,21 @@
 #include "wx/wx.h"
 #endif
 
 #include "wx/wx.h"
 #endif
 

-#include  "wx/intl.h"
-#include  "wx/log.h"
-
-#include  "wx/dnd.h"
-

 #ifdef __WXMOTIF__
 #ifdef __WXMOTIF__

-#error Sorry, drag and drop is not yet implemented on wxMotif.
+    #error Sorry, drag and drop is not yet implemented on wxMotif.

 #endif
 
 #endif
 

+#include "wx/intl.h"
+#include "wx/log.h"
+
+#include "wx/dnd.h"
+#include "wx/dirdlg.h"
+#include "wx/filedlg.h"
+#include "wx/image.h"
+#include "wx/clipbrd.h"
+

 #if defined(__WXGTK__) || defined(__WXMOTIF__)
 #if defined(__WXGTK__) || defined(__WXMOTIF__)

-#include "mondrian.xpm"
+    #include "mondrian.xpm"

 #endif
 
 // ----------------------------------------------------------------------------
 #endif
 
 // ----------------------------------------------------------------------------


@@ -37,27 +41,30 @@
 // file names) we drop on them
 // ----------------------------------------------------------------------------
 
 // file names) we drop on them
 // ----------------------------------------------------------------------------
 

+typedef long wxDropPointCoord;
+

 class DnDText : public wxTextDropTarget
 {
 public:
 class DnDText : public wxTextDropTarget
 {
 public:

-  DnDText(wxListBox *pOwner) { m_pOwner = pOwner; }
+    DnDText(wxListBox *pOwner) { m_pOwner = pOwner; }

 
 

-  virtual bool OnDropText(long x, long y, const char *psz );
+    virtual bool OnDropText(wxDropPointCoord x, wxDropPointCoord y,
+                            const wxChar* psz);

 
 private:
 
 private:

-  wxListBox *m_pOwner;
+    wxListBox *m_pOwner;

 };
 
 class DnDFile : public wxFileDropTarget
 {
 public:
 };
 
 class DnDFile : public wxFileDropTarget
 {
 public:

-  DnDFile(wxListBox *pOwner) { m_pOwner = pOwner; }
+    DnDFile(wxListBox *pOwner) { m_pOwner = pOwner; }

 
 

-  virtual bool OnDropFiles(long x, long y,
-                           size_t nFiles, const char * const aszFiles[] );
+  virtual bool OnDropFiles(wxDropPointCoord x, wxDropPointCoord y,
+                           size_t nFiles, const wxChar* const aszFiles[] );

 
 private:
 
 private:

-  wxListBox *m_pOwner;
+    wxListBox *m_pOwner;

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -67,7 +74,7 @@ private:
 class DnDApp : public wxApp
 {
 public:
 class DnDApp : public wxApp
 {
 public:

-  bool OnInit();
+    bool OnInit();

 };
 
 IMPLEMENT_APP(DnDApp);
 };
 
 IMPLEMENT_APP(DnDApp);


@@ -78,29 +85,36 @@ IMPLEMENT_APP(DnDApp);
 class DnDFrame : public wxFrame
 {
 public:
 class DnDFrame : public wxFrame
 {
 public:

-  DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h);
- ~DnDFrame();
-
-  void OnPaint(wxPaintEvent& event);
-  void OnQuit (wxCommandEvent& event);
-  void OnAbout(wxCommandEvent& event);
-  void OnDrag (wxCommandEvent& event);
-  void OnHelp (wxCommandEvent& event);
-  void OnLogClear(wxCommandEvent& event);
-
-  void OnLeftDown(wxMouseEvent& event);
-  void OnRightDown(wxMouseEvent& event);
-
-  DECLARE_EVENT_TABLE()
+    DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h);
+    ~DnDFrame();
+
+    void OnPaint(wxPaintEvent& event);
+    void OnQuit (wxCommandEvent& event);
+    void OnAbout(wxCommandEvent& event);
+    void OnDrag (wxCommandEvent& event);
+    void OnHelp (wxCommandEvent& event);
+    void OnLogClear(wxCommandEvent& event);
+    void OnCopy(wxCommandEvent& event);
+    void OnPaste(wxCommandEvent& event);
+    void OnCopyBitmap(wxCommandEvent& event);
+    void OnPasteBitmap(wxCommandEvent& event);
+    void OnClipboardHasText(wxCommandEvent& event);
+    void OnClipboardHasBitmap(wxCommandEvent& event);
+
+    void OnLeftDown(wxMouseEvent& event);
+    void OnRightDown(wxMouseEvent& event);
+
+    DECLARE_EVENT_TABLE()

 
 private:
 
 private:

-  wxListBox  *m_ctrlFile,
-             *m_ctrlText;
-  wxTextCtrl *m_ctrlLog;
+    wxListBox  *m_ctrlFile,
+    *m_ctrlText;
+    wxTextCtrl *m_ctrlLog;

 
 

-  wxLog *m_pLog, *m_pLogPrev;
+    wxLog *m_pLog, *m_pLogPrev;

 
 

-  wxString m_strText;
+    wxString  m_strText;
+    wxBitmap  m_bitmap;

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -109,37 +123,55 @@ private:
 
 enum
 {
 
 enum
 {

-  Menu_Quit = 1,
-  Menu_Drag,
-  Menu_About = 101,
-  Menu_Help,
-  Menu_Clear,
+    Menu_Quit = 1,
+    Menu_Drag,
+    Menu_About = 101,
+    Menu_Help,
+    Menu_Clear,
+    Menu_Copy,
+    Menu_Paste,
+    Menu_CopyBitmap,
+    Menu_PasteBitmap,
+    Menu_HasText,
+    Menu_HasBitmap

 };
 
 BEGIN_EVENT_TABLE(DnDFrame, wxFrame)
 };
 
 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_Help,  DnDFrame::OnHelp)
-  EVT_MENU(Menu_Clear, DnDFrame::OnLogClear)
-  EVT_LEFT_DOWN(       DnDFrame::OnLeftDown)
-  EVT_RIGHT_DOWN(      DnDFrame::OnRightDown)
-  EVT_PAINT(           DnDFrame::OnPaint)
+    EVT_MENU(Menu_Quit,       DnDFrame::OnQuit)
+    EVT_MENU(Menu_About,      DnDFrame::OnAbout)
+    EVT_MENU(Menu_Drag,       DnDFrame::OnDrag)
+    EVT_MENU(Menu_Help,       DnDFrame::OnHelp)
+    EVT_MENU(Menu_Clear,      DnDFrame::OnLogClear)
+    EVT_MENU(Menu_Copy,       DnDFrame::OnCopy)
+    EVT_MENU(Menu_Paste,      DnDFrame::OnPaste)
+    EVT_MENU(Menu_CopyBitmap, DnDFrame::OnCopyBitmap)
+    EVT_MENU(Menu_PasteBitmap,DnDFrame::OnPasteBitmap)
+    EVT_MENU(Menu_HasText,    DnDFrame::OnClipboardHasText)
+    EVT_MENU(Menu_HasBitmap,  DnDFrame::OnClipboardHasBitmap)
+
+    EVT_LEFT_DOWN(            DnDFrame::OnLeftDown)
+    EVT_RIGHT_DOWN(           DnDFrame::OnRightDown)
+    EVT_PAINT(                DnDFrame::OnPaint)

 END_EVENT_TABLE()
 
 END_EVENT_TABLE()
 

-// `Main program' equivalent, creating windows and returning main app frame
+    // `Main program' equivalent, creating windows and returning main app frame

 bool DnDApp::OnInit()
 {
 bool DnDApp::OnInit()
 {

-  // create the main frame window
-  DnDFrame *frame = new DnDFrame((wxFrame  *) NULL, "Drag & Drop wxWindows App",
-                                 50, 50, 450, 340);
+#if wxUSE_LIBPNG
+    wxImage::AddHandler( new wxPNGHandler );
+#endif

 
 

-  // activate it
-  frame->Show(TRUE);
+    // create the main frame window
+    DnDFrame *frame = new DnDFrame((wxFrame  *) NULL,
+                                   "Drag-and-Drop/Clipboard wxWindows Sample",
+                                   50, 50, 450, 340);

 
 

-  SetTopWindow(frame);
+    // activate it
+    frame->Show(TRUE);

 
 

-  return TRUE;
+    SetTopWindow(frame);
+
+    return TRUE;

 }
 
 DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h)
 }
 
 DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h)


@@ -147,224 +179,426 @@ DnDFrame::DnDFrame(wxFrame *frame, char *title, int x, int y, int w, int h)
           m_strText("wxWindows drag & drop works :-)")
 
 {
           m_strText("wxWindows drag & drop works :-)")
 
 {

-//  SetBackgroundColour(* wxWHITE);
-
-  // frame icon and status bar
-  SetIcon(wxICON(mondrian));
+    // frame icon and status bar
+    SetIcon(wxICON(mondrian));
+
+    CreateStatusBar();
+
+    // construct menu
+    wxMenu *file_menu = new wxMenu;
+    file_menu->Append(Menu_Drag, "&Test drag...");
+    file_menu->AppendSeparator();
+    file_menu->Append(Menu_Quit, "E&xit");
+
+    wxMenu *log_menu = new wxMenu;
+    log_menu->Append(Menu_Clear, "Clear");
+
+    wxMenu *help_menu = new wxMenu;
+    help_menu->Append(Menu_Help, "&Help...");
+    help_menu->AppendSeparator();
+    help_menu->Append(Menu_About, "&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->AppendSeparator();
+    clip_menu->Append(Menu_CopyBitmap, "&Copy bitmap");
+    clip_menu->Append(Menu_PasteBitmap, "&Paste bitmap");
+    clip_menu->AppendSeparator();
+    clip_menu->Append(Menu_HasText, "Clipboard has &text\tCtrl+T");
+    clip_menu->Append(Menu_HasBitmap, "Clipboard has a &bitmap\tCtrl+B");
+    
+    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");
+
+    SetMenuBar(menu_bar);
+
+    // make a panel with 3 subwindows
+    wxPoint pos(0, 0);
+    wxSize  size(400, 200);
+
+    wxString strFile("Drop files here!"), strText("Drop text on me");
+
+    m_ctrlFile  = new wxListBox(this, -1, pos, size, 1, &strFile, wxLB_HSCROLL | wxLB_ALWAYS_SB );
+    m_ctrlText  = new wxListBox(this, -1, pos, size, 1, &strText, wxLB_HSCROLL | wxLB_ALWAYS_SB );
+
+    m_ctrlLog   = new wxTextCtrl(this, -1, "", pos, size,
+                               wxTE_MULTILINE | wxTE_READONLY |
+                               wxSUNKEN_BORDER );
+    // redirect log messages to the text window (don't forget to delete it!)
+    m_pLog = new wxLogTextCtrl(m_ctrlLog);
+    m_pLogPrev = wxLog::SetActiveTarget(m_pLog);
+
+    // associate drop targets with 2 text 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, 30);
+    c->top.SameAs(m_ctrlText, wxBottom);
+    m_ctrlLog->SetConstraints(c);
+
+    SetAutoLayout(TRUE);
+}

 
 

-//  const int widths[] = { -1 };
-  CreateStatusBar();
+void DnDFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+{
+    Close(TRUE);
+}

 
 

-  // construct menu
-  wxMenu *file_menu = new wxMenu;
-  file_menu->Append(Menu_Drag, "&Test drag...");
-  file_menu->AppendSeparator();
-  file_menu->Append(Menu_Quit, "E&xit");
+void DnDFrame::OnPaint(wxPaintEvent& WXUNUSED(event))
+{
+    int w = 0;
+    int h = 0;
+    GetClientSize( &w, &h );
+
+    wxPaintDC dc(this);
+    dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL, FALSE, "charter" ) );
+    dc.DrawText( "Drag text from here!", 20, h-50 );
+    
+    if (m_bitmap.Ok())
+        dc.DrawBitmap( m_bitmap, 280, h-120, TRUE );
+}

 
 

-  wxMenu *log_menu = new wxMenu;
-  log_menu->Append(Menu_Clear, "Clear");
+void DnDFrame::OnClipboardHasText(wxCommandEvent& WXUNUSED(event))
+{
+    if ( !wxTheClipboard->Open() )
+    {
+        wxLogError( _T("Can't open clipboard.") );

 
 

-  wxMenu *help_menu = new wxMenu;
-  help_menu->Append(Menu_Help, "&Help...");
-  help_menu->AppendSeparator();
-  help_menu->Append(Menu_About, "&About");
+        return;
+    }

 
 

-  wxMenuBar *menu_bar = new wxMenuBar;
-  menu_bar->Append(file_menu, "&File");
-  menu_bar->Append(log_menu,  "&Log");
-  menu_bar->Append(help_menu, "&Help");
+    if ( !wxTheClipboard->IsSupported( wxDF_TEXT ) )
+    {
+        wxLogMessage( _T("No text is on the clipboard") );
+    }
+    else
+    {
+        wxLogMessage( _T("There is text is on the clipboard") );
+    }

 
 

-  SetMenuBar(menu_bar);
+    wxTheClipboard->Close();
+}

 
 

-  // make a panel with 3 subwindows
-  wxPoint pos(0, 0);
-  wxSize  size(400, 200);
+void DnDFrame::OnClipboardHasBitmap(wxCommandEvent& WXUNUSED(event))
+{
+    if ( !wxTheClipboard->Open() )
+    {
+        wxLogError( _T("Can't open clipboard.") );

 
 

-  wxString strFile("Drop files here!"), strText("Drop text on me");
+        return;
+    }

 
 

-  m_ctrlFile  = new wxListBox(this, -1, pos, size, 1, &strFile, wxLB_HSCROLL);
-  m_ctrlText  = new wxListBox(this, -1, pos, size, 1, &strText, wxLB_HSCROLL);
+    if ( !wxTheClipboard->IsSupported( wxDF_BITMAP ) )
+    {
+        wxLogMessage( _T("No bitmap is on the clipboard") );
+    }
+    else
+    {
+        wxLogMessage( _T("A bitmap is on the clipboard") );
+    }

 
 

-  m_ctrlLog   = new wxTextCtrl(this, -1, "", pos, size,
-                               wxTE_MULTILINE | wxTE_READONLY |
-                               wxSUNKEN_BORDER );
+    wxTheClipboard->Close();
+}

 
 

-  // redirect log messages to the text window (don't forget to delete it!)
-  m_pLog = new wxLogTextCtrl(m_ctrlLog);
-  m_pLogPrev = wxLog::SetActiveTarget(m_pLog);
-
-  // associate drop targets with 2 text 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, 40);
-  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, 40);
-  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, 40);
-  c->top.SameAs(m_ctrlText, wxBottom);
-  m_ctrlLog->SetConstraints(c);
-
-  SetAutoLayout(TRUE);
+void DnDFrame::OnDrag(wxCommandEvent& WXUNUSED(event))
+{
+    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
+        );
+
+    m_strText = strText;

 }
 
 }
 

-void DnDFrame::OnQuit(wxCommandEvent& /* event */)
+void DnDFrame::OnAbout(wxCommandEvent& WXUNUSED(event))

 {
 {

-  Close(TRUE);
+    wxMessageBox("Drag-&-Drop Demo\n"
+                 "Please see \"Help|Help...\" for details\n"
+                 "Copyright (c) 1998 Vadim Zeitlin",
+                 "About wxDnD",
+                 wxICON_INFORMATION | wxOK,
+                 this);

 }
 
 }
 

-void DnDFrame::OnPaint(wxPaintEvent& /*event*/)
+void DnDFrame::OnHelp(wxCommandEvent& /* event */)

 {
 {

-  int w = 0;
-  int h = 0;
-  GetClientSize( &w, &h );
+    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");
+
+    dialog.ShowModal();
+}

 
 

-  wxPaintDC dc(this);
-  dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL, FALSE, "charter" ) );
-  dc.DrawText( "Drag text from here!", 20, h-22 );
+void DnDFrame::OnLogClear(wxCommandEvent& /* event */ )
+{
+    m_ctrlLog->Clear();

 }
 
 }
 

-void DnDFrame::OnDrag(wxCommandEvent& /* event */)
+void DnDFrame::OnLeftDown(wxMouseEvent &WXUNUSED(event) )

 {
 {

-  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
-  );
-
-  m_strText = strText;
+    if ( !m_strText.IsEmpty() ) 
+    {
+        // start drag operation
+#ifdef __WXMSW__
+        wxTextDataObject textData(m_strText);
+        wxDropSource dragSource( textData, this );
+#else
+        wxDropSource dragSource( new wxTextDataObject (m_strText), this, wxIcon(mondrian_xpm) );
+#endif
+        const char *pc;
+
+        switch ( dragSource.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);
+    }

 }
 
 }
 

-void DnDFrame::OnAbout(wxCommandEvent& /* event */)
+void DnDFrame::OnRightDown(wxMouseEvent &event )

 {
 {

-  wxMessageDialog dialog(this,
-                         "Drag-&-Drop Demo\n"
-                         "Please see \"Help|Help...\" for details\n"
-                         "Copyright (c) 1998 Vadim Zeitlin",
-                         "About wxDnD");
+    wxMenu *menu = new wxMenu;
+
+    menu->Append(Menu_Drag, "&Test drag...");
+    menu->Append(Menu_About, "&About");
+    menu->Append(Menu_Quit, "E&xit");

 
 

-  dialog.ShowModal();
+    PopupMenu( menu, event.GetX(), event.GetY() );

 }
 
 }
 

-void DnDFrame::OnHelp(wxCommandEvent& /* event */)
+DnDFrame::~DnDFrame()

 {
 {

-  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");
-
-  dialog.ShowModal();
+    if ( m_pLog != NULL ) {
+        if ( wxLog::SetActiveTarget(m_pLogPrev) == m_pLog )
+            delete m_pLog;
+    }

 }
 
 }
 

-void DnDFrame::OnLogClear(wxCommandEvent& /* event */ )
+// ---------------------------------------------------------------------------
+// bitmap clipboard
+// ---------------------------------------------------------------------------
+
+void DnDFrame::OnCopyBitmap(wxCommandEvent& WXUNUSED(event))

 {
 {

-  m_ctrlLog->Clear();
+    wxFileDialog dialog(this, "Open a PNG file", "", "", "PNG files (*.png)|*.png", 0);
+
+    if (dialog.ShowModal() != wxID_OK)
+    { 
+        wxLogMessage( _T("Aborted file open") );
+        return;
+    }
+    
+    if (dialog.GetPath().IsEmpty())
+    { 
+        wxLogMessage( _T("Returned empty string.") );
+        return;
+    }
+    
+    if (!wxFileExists(dialog.GetPath()))
+    {
+        wxLogMessage( _T("File doesn't exist.") );
+        return;
+    }
+    
+    wxImage image;
+    image.LoadFile( dialog.GetPath(), wxBITMAP_TYPE_PNG );
+    if (!image.Ok())
+    {
+        wxLogMessage( _T("Invalid image file...") );
+        return;
+    }
+    
+    wxLogMessage( _T("Decoding image file...") );
+    wxYield();
+    
+    wxBitmap bitmap( image.ConvertToBitmap() );
+
+    if ( !wxTheClipboard->Open() )
+    {
+        wxLogError(_T("Can't open clipboard."));
+
+        return;
+    }
+
+    wxLogMessage( _T("Creating wxBitmapDataObject...") );
+    wxYield();
+    
+    if ( !wxTheClipboard->AddData(new wxBitmapDataObject(bitmap)) )
+    {
+        wxLogError(_T("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.") );
+    }
+
+    wxTheClipboard->Close();

 }
 
 }
 

-void DnDFrame::OnLeftDown(wxMouseEvent &WXUNUSED(event) )
+void DnDFrame::OnPasteBitmap(wxCommandEvent& WXUNUSED(event))

 {
 {

-  if ( !m_strText.IsEmpty() ) 
-  {
-    // start drag operation
-#ifdef __WXMSW__
-    wxTextDataObject textData(m_strText);
-    wxDropSource dragSource( textData, this );
-#else
-    wxDropSource dragSource( new wxTextDataObject (m_strText), this );
-#endif
-    const char *pc;
+    if ( !wxTheClipboard->Open() )
+    {
+        wxLogError(_T("Can't open clipboard."));

 
 

-    switch ( dragSource.DoDragDrop(TRUE) ) 
+        return;
+    }
+
+    if ( !wxTheClipboard->IsSupported(wxDF_BITMAP) )

     {
     {

-      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;
+        wxLogWarning(_T("No bitmap on clipboard"));
+
+        wxTheClipboard->Close();
+        return;

     }
 
     }
 

-    SetStatusText(wxString("Drag result: ") + pc);
-  }
+    wxBitmapDataObject data;
+    if ( !wxTheClipboard->GetData(&data) )
+    {
+        wxLogError(_T("Can't paste bitmap from the clipboard"));
+    }
+    else
+    {
+        wxLogMessage(_T("Bitmap pasted from the clipboard") );
+       m_bitmap = data.GetBitmap();
+       Refresh();
+    }
+
+    wxTheClipboard->Close();

 }
 
 }
 

-void DnDFrame::OnRightDown(wxMouseEvent &event )
+// ---------------------------------------------------------------------------
+// text clipboard
+// ---------------------------------------------------------------------------
+
+void DnDFrame::OnCopy(wxCommandEvent& WXUNUSED(event))

 {
 {

-  wxMenu *menu = new wxMenu;
+    if ( !wxTheClipboard->Open() )
+    {
+        wxLogError(_T("Can't open clipboard."));

 
 

-  menu->Append(Menu_Drag, "&Test drag...");
-  menu->Append(Menu_About, "&About");
-  menu->Append(Menu_Quit, "E&xit");
+        return;
+    }
+
+    if ( !wxTheClipboard->AddData(new wxTextDataObject(m_strText)) )
+    {
+        wxLogError(_T("Can't copy data to the clipboard"));
+    }
+    else
+    {
+        wxLogMessage(_T("Text '%s' put on the clipboard"), m_strText.c_str());
+    }

 
 

-  PopupMenu( menu, event.GetX(), event.GetY() );
+    wxTheClipboard->Close();

 }
 
 }
 

-DnDFrame::~DnDFrame()
+void DnDFrame::OnPaste(wxCommandEvent& WXUNUSED(event))

 {
 {

-  if ( m_pLog != NULL ) {
-    if ( wxLog::SetActiveTarget(m_pLogPrev) == m_pLog )
-      delete m_pLog;
-  }
+    if ( !wxTheClipboard->Open() )
+    {
+        wxLogError(_T("Can't open clipboard."));
+
+        return;
+    }
+
+    if ( !wxTheClipboard->IsSupported(wxDF_TEXT) )
+    {
+        wxLogWarning(_T("No text data on clipboard"));
+
+        wxTheClipboard->Close();
+        return;
+    }
+
+    wxTextDataObject text;
+    if ( !wxTheClipboard->GetData(&text) )
+    {
+        wxLogError(_T("Can't paste data from the clipboard"));
+    }
+    else
+    {
+        wxLogMessage(_T("Text '%s' pasted from the clipboard"),
+                     text.GetText().c_str());
+    }
+
+    wxTheClipboard->Close();

 }
 
 // ----------------------------------------------------------------------------
 // Notifications called by the base class
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
 // Notifications called by the base class
 // ----------------------------------------------------------------------------

-bool DnDText::OnDropText(long, long, const char *psz)
+
+bool DnDText::OnDropText( wxDropPointCoord, wxDropPointCoord, const wxChar *psz )

 {
 {

-  m_pOwner->Append(psz);
+    m_pOwner->Append(psz);

 
 

-  return TRUE;
+    return TRUE;

 }
 
 }
 

-bool DnDFile::OnDropFiles(long, long, size_t nFiles,
-                          const char * const aszFiles[])
+bool DnDFile::OnDropFiles( wxDropPointCoord, wxDropPointCoord, size_t nFiles,
+                           const wxChar* const aszFiles[])

 {
 {

-  wxString str;
-  str.Printf("%d files dropped", nFiles);
-  m_pOwner->Append(str);
-  for ( size_t n = 0; n < nFiles; n++ ) {
-    m_pOwner->Append(aszFiles[n]);
-  }
-
-  return TRUE;
+    wxString str;
+    str.Printf( _T("%d files dropped"), nFiles);
+    m_pOwner->Append(str);
+    for ( size_t n = 0; n < nFiles; n++ ) {
+        m_pOwner->Append(aszFiles[n]);
+    }
+
+    return TRUE;

 }
 }