// Name: dnd.cpp
// Purpose: wxDropTarget class
// Author: Robert Roebling
-// Copyright: Robert Roebling
-// Licence: wxWindows license
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
extern bool g_blockEventsOnDrag;
-// ----------------------------------------------------------------------------
-// wxDropTarget
-// ----------------------------------------------------------------------------
+
+#if (GTK_MINOR_VERSION == 1)
+#if (GTK_MICRO_VERSION >= 3)
+#define NEW_GTK_DND_CODE
+#endif
+#endif
+
+#ifdef NEW_GTK_DND_CODE
wxDropTarget::wxDropTarget()
{
{
}
-void wxDropTarget::Drop( GdkEvent *event, int x, int y )
+void wxDropTarget::UnregisterWidget( GtkWidget *widget )
+{
+ if (!widget) return;
+
+ // TODO
+}
+
+void wxDropTarget::RegisterWidget( GtkWidget *widget )
+{
+ if (!widget) return;
+
+ wxString formats;
+ int valid = 0;
+
+ for ( size_t i = 0; i < GetFormatCount(); i++ )
+ {
+ wxDataFormat df = GetFormat( i );
+ switch (df)
+ {
+ case wxDF_TEXT:
+ if (i > 0) formats += ";";
+ formats += "text/plain";
+ valid++;
+ break;
+ case wxDF_FILENAME:
+ if (i > 0) formats += ";";
+ formats += "file:ALL";
+ valid++;
+ break;
+ default:
+ break;
+ }
+ }
+
+ char *str = WXSTRINGCAST formats;
+
+ // TODO
+}
+
+// ----------------------------------------------------------------------------
+// wxTextDropTarget
+// ----------------------------------------------------------------------------
+
+bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
+{
+ OnDropText( x, y, (const char*)data );
+ return TRUE;
+}
+
+bool wxTextDropTarget::OnDropText( long x, long y, const char *psz )
+{
+ printf( "Got dropped text: %s.\n", psz );
+ printf( "At x: %d, y: %d.\n", (int)x, (int)y );
+ return TRUE;
+}
+
+size_t wxTextDropTarget::GetFormatCount() const
+{
+ return 1;
+}
+
+wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
+{
+ return wxDF_TEXT;
+}
+
+// ----------------------------------------------------------------------------
+// wxFileDropTarget
+// ----------------------------------------------------------------------------
+
+bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] )
+{
+ printf( "Got %d dropped files.\n", (int)nFiles );
+ printf( "At x: %d, y: %d.\n", (int)x, (int)y );
+ for (size_t i = 0; i < nFiles; i++)
+ {
+ printf( aszFiles[i] );
+ printf( "\n" );
+ }
+ return TRUE;
+}
+
+bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size )
+{
+ size_t number = 0;
+ char *text = (char*) data;
+ for (size_t i = 0; i < size; i++)
+ if (text[i] == 0) number++;
+
+ if (number == 0) return TRUE;
+
+ char **files = new char*[number];
+
+ text = (char*) data;
+ for (size_t i = 0; i < number; i++)
+ {
+ files[i] = text;
+ int len = strlen( text );
+ text += len+1;
+ }
+
+ bool ret = OnDropFiles( x, y, 1, files );
+
+ free( files );
+
+ return ret;
+}
+
+size_t wxFileDropTarget::GetFormatCount() const
+{
+ return 1;
+}
+
+wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const
+{
+ return wxDF_FILENAME;
+}
+
+//-------------------------------------------------------------------------
+// wxDropSource
+//-------------------------------------------------------------------------
+
+wxDropSource::wxDropSource( wxWindow *win )
+{
+ g_blockEventsOnDrag = TRUE;
+
+ m_window = win;
+ m_widget = win->m_widget;
+ if (win->m_wxwindow) m_widget = win->m_wxwindow;
+
+ m_data = (wxDataObject *) NULL;
+ m_retValue = wxDragCancel;
+
+ m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
+ m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+}
+
+wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
+{
+ g_blockEventsOnDrag = TRUE;
+
+ m_window = win;
+ m_widget = win->m_widget;
+ if (win->m_wxwindow) m_widget = win->m_wxwindow;
+ m_retValue = wxDragCancel;
+
+ m_data = &data;
+
+ m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
+ m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+}
+
+void wxDropSource::SetData( wxDataObject &data )
+{
+ m_data = &data;
+}
+
+wxDropSource::~wxDropSource(void)
{
- printf( "Drop data is of type %s.\n", event->dropdataavailable.data_type );
+// if (m_data) delete m_data;
+
+ g_blockEventsOnDrag = FALSE;
+}
+
+wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
+{
+ wxASSERT_MSG( m_data, "wxDragSource: no data" );
+
+ if (!m_data) return (wxDragResult) wxDragNone;
+ if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone;
+
+ RegisterWindow();
- OnDrop( x, y, (char *)event->dropdataavailable.data);
+ // TODO
+
+ UnregisterWindow();
+
+ g_blockEventsOnDrag = FALSE;
+
+ return m_retValue;
+}
+
+void wxDropSource::RegisterWindow(void)
+{
+ if (!m_data) return;
+
+ wxString formats;
+
+ wxDataFormat df = m_data->GetPreferredFormat();
+
+ switch (df)
+ {
+ case wxDF_TEXT:
+ formats += "text/plain";
+ break;
+ case wxDF_FILENAME:
+ formats += "file:ALL";
+ break;
+ default:
+ break;
+ }
+
+ char *str = WXSTRINGCAST formats;
+
+ // TODO
+}
+
+void wxDropSource::UnregisterWindow(void)
+{
+ if (!m_widget) return;
+
+ // TODO
+}
+
+#else
+
+// ----------------------------------------------------------------------------
+// wxDropTarget
+// ----------------------------------------------------------------------------
+
+wxDropTarget::wxDropTarget()
+{
+}
+
+wxDropTarget::~wxDropTarget()
+{
}
void wxDropTarget::UnregisterWidget( GtkWidget *widget )
// wxTextDropTarget
// ----------------------------------------------------------------------------
-bool wxTextDropTarget::OnDrop( long x, long y, const void *pData )
+bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
{
- OnDropText( x, y, (const char*)pData );
+ OnDropText( x, y, (const char*)data );
return TRUE;
}
// wxFileDropTarget
// ----------------------------------------------------------------------------
-bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const WXUNUSED(aszFiles)[] )
+bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] )
{
printf( "Got %d dropped files.\n", (int)nFiles );
printf( "At x: %d, y: %d.\n", (int)x, (int)y );
+ for (size_t i = 0; i < nFiles; i++)
+ {
+ printf( aszFiles[i] );
+ printf( "\n" );
+ }
return TRUE;
}
-bool wxFileDropTarget::OnDrop(long x, long y, const void *WXUNUSED(pData) )
+bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size )
{
- char *str = "/this/is/a/path.txt";
+ size_t number = 0;
+ char *text = (char*) data;
+ for (size_t i = 0; i < size; i++)
+ if (text[i] == 0) number++;
- return OnDropFiles(x, y, 1, &str );
+ if (number == 0) return TRUE;
+
+ char **files = new char*[number];
+
+ text = (char*) data;
+ for (size_t i = 0; i < number; i++)
+ {
+ files[i] = text;
+ int len = strlen( text );
+ text += len+1;
+ }
+
+ bool ret = OnDropFiles( x, y, 1, files );
+
+ free( files );
+
+ return ret;
}
size_t wxFileDropTarget::GetFormatCount() const
gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this );
}
+
+#endif
+ // NEW_GTK_DND_CODE
+