void OnNewFrame(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 OnCopyFiles(wxCommandEvent& event);
+
void OnLeftDown(wxMouseEvent& event);
void OnRightDown(wxMouseEvent& event);
private:
wxListBox *m_ctrlFile,
- *m_ctrlText;
+ *m_ctrlText;
wxTextCtrl *m_ctrlLog;
- wxLog *m_pLog, *m_pLogPrev;
+ wxLog *m_pLog,
+ *m_pLogPrev;
wxString m_strText;
wxBitmap m_bitmap;
const wxColour& col)
: DnDShape(pos, size, col)
{
+ wxLogMessage("DnDTriangularShape is being created");
}
virtual ~DnDTriangularShape()
const wxColour& col)
: DnDShape(pos, size, col)
{
+ wxLogMessage("DnDRectangularShape is being created");
}
virtual ~DnDRectangularShape()
const wxColour& col)
: DnDShape(pos, size, col)
{
+ wxLogMessage("DnDEllipticShape is being created");
}
virtual ~DnDEllipticShape()
virtual ~DnDShapeDataObject() { delete m_shape; }
- // accessors
- DnDShape *GetShape() const { return m_shape; }
+ // after a call to this function, the shape is owned by the caller and it
+ // is responsible for deleting it!
+ //
+ // NB: a better solution would be to make DnDShapes ref counted and this
+ // is what should probably be done in a real life program, otherwise
+ // the ownership problems become too complicated really fast
+ DnDShape *GetShape()
+ {
+ DnDShape *shape = m_shape;
+
+ m_shape = (DnDShape *)NULL;
+ m_hasBitmap = FALSE;
+
+ return shape;
+ }
// implement base class pure virtuals
// ----------------------------------
}
else
{
- wxASSERT_MSG( format == wxDF_BITMAP, "unsupported format" );
-
if ( !m_hasBitmap )
CreateBitmap();
void OnDrag(wxMouseEvent& event);
void OnPaint(wxPaintEvent& event);
- void OnDrop(long x, long y, DnDShape *shape);
+ void OnDrop(wxCoord x, wxCoord y, DnDShape *shape);
private:
DnDShape *m_shape;
}
// override base class (pure) virtuals
- virtual void OnEnter()
- { m_frame->SetStatusText("Mouse entered the frame"); }
+ virtual wxDragResult OnEnter(wxCoord x, wxCoord y, wxDragResult def)
+ { m_frame->SetStatusText("Mouse entered the frame");
+ return OnDragOver(x, y, def); }
virtual void OnLeave()
{ m_frame->SetStatusText("Mouse left the frame"); }
- virtual bool OnData(wxCoord x, wxCoord y)
+ virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def)
{
if ( !GetData() )
{
wxLogError("Failed to get drag and drop data");
- return FALSE;
+ return wxDragNone;
}
m_frame->OnDrop(x, y,
((DnDShapeDataObject *)GetDataObject())->GetShape());
- return TRUE;
+ return def;
}
private:
Menu_Paste,
Menu_CopyBitmap,
Menu_PasteBitmap,
- Menu_ToBeGreyed, /* for testing */
- Menu_ToBeDeleted, /* for testing */
+ Menu_CopyFiles,
Menu_Shape_New = 500,
Menu_Shape_Edit,
Menu_Shape_Clear,
EVT_MENU(Menu_Paste, DnDFrame::OnPaste)
EVT_MENU(Menu_CopyBitmap, DnDFrame::OnCopyBitmap)
EVT_MENU(Menu_PasteBitmap,DnDFrame::OnPasteBitmap)
+ EVT_MENU(Menu_CopyFiles, DnDFrame::OnCopyFiles)
EVT_UPDATE_UI(Menu_Paste, DnDFrame::OnUpdateUIPasteText)
EVT_UPDATE_UI(Menu_PasteBitmap, DnDFrame::OnUpdateUIPasteBitmap)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(DnDShapeDialog, wxDialog)
- EVT_BUTTON(Button_Colour, OnColour)
+ EVT_BUTTON(Button_Colour, DnDShapeDialog::OnColour)
END_EVENT_TABLE()
// ============================================================================
// `Main program' equivalent, creating windows and returning main app frame
bool DnDApp::OnInit()
{
+ // load our ressources
+ wxPathList pathList;
+ pathList.Add(".");
+#ifdef __WXMSW__
+ pathList.Add("./Debug");
+ pathList.Add("./Release");
+#endif // wxMSW
+
+ wxString path = pathList.FindValidPath("dnd.wxr");
+ if ( !path )
+ {
+ wxLogError("Can't find the resource file dnd.wxr in the current "
+ "directory, aborting.");
+
+ return FALSE;
+ }
+
+ wxDefaultResourceTable->ParseResourceFile(path);
+
+ // switch on trace messages
+#if defined(__WXGTK__)
+ wxLog::AddTraceMask(_T("clipboard"));
+#elif defined(__WXMSW__)
+ wxLog::AddTraceMask(wxTRACE_OleCalls);
+#endif
+
#if wxUSE_LIBPNG
wxImage::AddHandler( new wxPNGHandler );
#endif
+ // under X we usually want to use the primary selection by default (which
+ // is shared with other apps)
+ wxTheClipboard->UsePrimarySelection();
+
// create the main frame window
DnDFrame *frame = new DnDFrame((wxFrame *) NULL,
"Drag-and-Drop/Clipboard wxWindows Sample",
- 50, 50, 450, 340);
+ 10, 10, 450, 340);
// activate it
frame->Show(TRUE);
SetTopWindow(frame);
- wxDefaultResourceTable->ParseResourceFile("dnd.wxr");
-
return TRUE;
}
file_menu->Append(Menu_Quit, "E&xit");
wxMenu *log_menu = new wxMenu;
- log_menu->Append(Menu_Clear, "Clear\tDel");
+ log_menu->Append(Menu_Clear, "Clear\tCtrl-L");
wxMenu *help_menu = new wxMenu;
help_menu->Append(Menu_Help, "&Help...");
clip_menu->AppendSeparator();
clip_menu->Append(Menu_CopyBitmap, "&Copy bitmap\tAlt+C");
clip_menu->Append(Menu_PasteBitmap, "&Paste bitmap\tAlt+V");
+ clip_menu->AppendSeparator();
+ clip_menu->Append(Menu_CopyFiles, "&Copy files\tCtrl+F");
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, "&File");
wxTE_MULTILINE | wxTE_READONLY |
wxSUNKEN_BORDER );
-#ifdef __WXMSW__
- // redirect log messages to the text window and switch on OLE messages
- // logging
- wxLog::AddTraceMask(wxTRACE_OleCalls);
-#endif
+ // redirect log messages to the text window
m_pLog = new wxLogTextCtrl(m_ctrlLog);
m_pLogPrev = wxLog::SetActiveTarget(m_pLog);
void DnDFrame::OnUpdateUIPasteText(wxUpdateUIEvent& event)
{
+#ifdef __WXDEBUG__
+ // too many trace messages if we don't do it - this function is called
+ // very often
+ wxLogNull nolog;
+#endif
+
event.Enable( wxTheClipboard->IsSupported(wxDF_TEXT) );
}
void DnDFrame::OnUpdateUIPasteBitmap(wxUpdateUIEvent& event)
{
+#ifdef __WXDEBUG__
+ // too many trace messages if we don't do it - this function is called
+ // very often
+ wxLogNull nolog;
+#endif
+
event.Enable( wxTheClipboard->IsSupported(wxDF_BITMAP) );
}
void DnDFrame::OnLogClear(wxCommandEvent& /* event */ )
{
m_ctrlLog->Clear();
+ m_ctrlText->Clear();
+ m_ctrlFile->Clear();
}
void DnDFrame::OnLeftDown(wxMouseEvent &WXUNUSED(event) )
{
// start drag operation
wxTextDataObject textData(m_strText);
- wxDropSource source(textData, this, wxICON(mondrian));
+/*
+ wxFileDataObject textData;
+ textData.AddFile( "/file1.txt" );
+ textData.AddFile( "/file2.txt" );
+*/
+ wxDropSource source(textData, this
+
+#ifdef __WXMSW__
+ ,wxCURSOR_PENCIL, // for copy
+ wxCURSOR_SPRAYCAN, // for move
+ wxCURSOR_QUESTION_ARROW // for nothing
+#endif
+ );
const char *pc;
void DnDFrame::OnRightDown(wxMouseEvent &event )
{
- wxMenu *menu = new wxMenu;
-
- menu->Append(Menu_Drag, "&Test drag...");
- menu->Append(Menu_About, "&About");
- menu->Append(Menu_Quit, "E&xit");
- menu->Append(Menu_ToBeDeleted, "To be deleted");
- menu->Append(Menu_ToBeGreyed, "To be greyed");
+ wxMenu menu("Dnd sample menu");
- menu->Delete( Menu_ToBeDeleted );
- menu->Enable( Menu_ToBeGreyed, FALSE );
+ menu.Append(Menu_Drag, "&Test drag...");
+ menu.AppendSeparator();
+ menu.Append(Menu_About, "&About");
- PopupMenu( menu, event.GetX(), event.GetY() );
+ PopupMenu( &menu, event.GetX(), event.GetY() );
}
DnDFrame::~DnDFrame()
wxTheClipboard->Close();
}
+// ----------------------------------------------------------------------------
+// file clipboard
+// ----------------------------------------------------------------------------
+
+void DnDFrame::OnCopyFiles(wxCommandEvent& WXUNUSED(event))
+{
+#ifdef __WXMSW__
+ wxFileDialog dialog(this, "Select a file to copy", "", "",
+ "All files (*.*)|*.*", 0);
+
+ wxArrayString filenames;
+ while ( dialog.ShowModal() == wxID_OK )
+ {
+ filenames.Add(dialog.GetPath());
+ }
+
+ if ( !filenames.IsEmpty() )
+ {
+ wxFileDataObject *dobj = new wxFileDataObject;
+ size_t count = filenames.GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ dobj->AddFile(filenames[n]);
+ }
+
+ wxClipboardLocker locker;
+ if ( !locker )
+ {
+ wxLogError("Can't open clipboard");
+ }
+ else
+ {
+ if ( !wxTheClipboard->AddData(dobj) )
+ {
+ wxLogError("Can't copy file(s) to the clipboard");
+ }
+ else
+ {
+ wxLogStatus(this, "%d file%s copied to the clipboard",
+ count, count == 1 ? "" : "s");
+ }
+ }
+ }
+ else
+ {
+ wxLogStatus(this, "Aborted");
+ }
+#else // !MSW
+ wxLogError("Sorry, not implemented");
+#endif // MSW/!MSW
+}
+
// ---------------------------------------------------------------------------
// text clipboard
// ---------------------------------------------------------------------------
: wxFrame(parent, -1, "Shape Frame",
wxDefaultPosition, wxSize(250, 150))
{
- SetBackgroundColour(*wxWHITE);
-
CreateStatusBar();
wxMenu *menuShape = new wxMenu;
SetDropTarget(new DnDShapeDropTarget(this));
m_shape = NULL;
+
+ SetBackgroundColour(*wxWHITE);
}
DnDShapeFrame::~DnDShapeFrame()
{
- delete m_shape;
+ if (m_shape)
+ delete m_shape;
}
void DnDShapeFrame::SetShape(DnDShape *shape)
{
- delete m_shape;
+ if (m_shape)
+ delete m_shape;
m_shape = shape;
Refresh();
}
// start drag operation
DnDShapeDataObject shapeData(m_shape);
- wxDropSource source(shapeData, this, wxICON(mondrian));
+ wxDropSource source(shapeData, this);
const char *pc = NULL;
switch ( source.DoDragDrop(TRUE) )
//else: status text already set
}
-void DnDShapeFrame::OnDrop(long x, long y, DnDShape *shape)
+void DnDShapeFrame::OnDrop(wxCoord x, wxCoord y, DnDShape *shape)
{
ms_lastDropTarget = this;
+ wxPoint pt(x, y);
+
wxString s;
- s.Printf("Shape dropped at (%ld, %ld)", x, y);
+ s.Printf("Shape dropped at (%ld, %ld)", pt.x, pt.y);
SetStatusText(s);
- shape->Move(ScreenToClient(wxPoint(x, y)));
+ shape->Move(pt);
SetShape(shape);
}
void DnDShapeFrame::OnCopyShape(wxCommandEvent& event)
{
if ( m_shape )
+ {
+ wxClipboardLocker clipLocker;
+ if ( !clipLocker )
+ {
+ wxLogError("Can't open the clipboard");
+
+ return;
+ }
+
wxTheClipboard->AddData(new DnDShapeDataObject(m_shape));
+ }
}
void DnDShapeFrame::OnPasteShape(wxCommandEvent& event)
{
+ wxClipboardLocker clipLocker;
+ if ( !clipLocker )
+ {
+ wxLogError("Can't open the clipboard");
+
+ return;
+ }
+
DnDShapeDataObject shapeDataObject(NULL);
if ( wxTheClipboard->GetData(shapeDataObject) )
{
projects / wxWidgets.git / blobdiff