extern bool g_blockEventsOnDrag;
+// the trace mask we use with wxLogTrace() - call
+// wxLog::AddTraceMask(TRACE_DND) to enable the trace messages from here
+// (there are quite a few of them, so don't enable this by default)
+static const wxChar *TRACE_DND = _T("dnd");
+
//----------------------------------------------------------------------------
// standard icons
//----------------------------------------------------------------------------
/* XPM */
-static char * page_xpm[] = {
+static const char * page_xpm[] = {
/* width height ncolors chars_per_pixel */
"32 32 5 1",
/* colors */
wxDragResult result;
if ( context->suggested_action == GDK_ACTION_COPY )
result = wxDragCopy;
+ else if ( context->suggested_action == GDK_ACTION_LINK )
+ result = wxDragLink;
else
result = wxDragMove;
GdkDragAction action;
if (result == wxDragCopy)
action = GDK_ACTION_COPY;
+ else if (result == wxDragLink)
+ action = GDK_ACTION_LINK;
else
action = GDK_ACTION_MOVE;
if (context->suggested_action == GDK_ACTION_COPY) result = wxDragCopy;
*/
+ /* reset the block here as someone might very well
+ show a dialog as a reaction to a drop and this
+ wouldn't work without events */
+ g_blockEventsOnDrag = FALSE;
+
bool ret = drop_target->OnDrop( x, y );
if (!ret)
{
- wxLogDebug( wxT( "Drop target: OnDrop returned FALSE") );
+ wxLogTrace(TRACE_DND, wxT( "Drop target: OnDrop returned FALSE") );
/* cancel the whole thing */
gtk_drag_finish( context,
}
else
{
- wxLogDebug( wxT( "Drop target: OnDrop returned TRUE") );
+ wxLogTrace(TRACE_DND, wxT( "Drop target: OnDrop returned TRUE") );
#if wxUSE_THREADS
/* disable GUI threads */
return;
}
- wxLogDebug( wxT( "Drop target: data received event") );
+ wxLogTrace(TRACE_DND, wxT( "Drop target: data received event") );
/* inform the wxDropTarget about the current GtkSelectionData.
this is only valid for the duration of this call */
wxDragResult result;
if ( context->suggested_action == GDK_ACTION_COPY )
result = wxDragCopy;
+ else if ( context->suggested_action == GDK_ACTION_LINK )
+ result = wxDragLink;
else
result = wxDragMove;
if ( wxIsDragResultOk( drop_target->OnData( x, y, result ) ) )
{
- wxLogDebug( wxT( "Drop target: OnData returned TRUE") );
+ wxLogTrace(TRACE_DND, wxT( "Drop target: OnData returned TRUE") );
/* tell GTK that data transfer was successfull */
gtk_drag_finish( context, TRUE, FALSE, time );
}
else
{
- wxLogDebug( wxT( "Drop target: OnData returned FALSE") );
+ wxLogTrace(TRACE_DND, wxT( "Drop target: OnData returned FALSE") );
/* tell GTK that data transfer was not successfull */
gtk_drag_finish( context, FALSE, FALSE, time );
wxDataFormat format( formatAtom );
#ifdef __WXDEBUG__
- wxLogDebug( wxT("Drop target: drag has format: %s"), format.GetId().c_str() );
+ wxLogTrace(TRACE_DND, wxT("Drop target: drag has format: %s"),
+ format.GetId().c_str());
#endif // Debug
if (m_dataObject->IsSupportedFormat( format ))
wxDataFormat format( selection_data->target );
- wxLogDebug( wxT("Drop source: format requested: %s"), format.GetId().c_str() );
-
+ wxLogTrace(TRACE_DND, wxT("Drop source: format requested: %s"),
+ format.GetId().c_str());
+
drop_source->m_retValue = wxDragCancel;
wxDataObject *data = drop_source->GetDataObject();
-
+
if (!data)
{
- wxLogDebug( wxT("Drop source: no data object") );
+ wxLogTrace(TRACE_DND, wxT("Drop source: no data object") );
return;
}
if (!data->IsSupportedFormat(format))
{
- wxLogDebug( wxT("Drop source: unsupported format") );
+ wxLogTrace(TRACE_DND, wxT("Drop source: unsupported format") );
return;
}
if (data->GetDataSize(format) == 0)
{
- wxLogDebug( wxT("Drop source: empty data") );
+ wxLogTrace(TRACE_DND, wxT("Drop source: empty data") );
return;
}
// "drag_data_delete"
//----------------------------------------------------------------------------
-static void source_drag_data_delete( GtkWidget *WXUNUSED(widget),
- GdkDragContext *WXUNUSED(context),
- wxDropSource *WXUNUSED(drop_source) )
+static void source_drag_data_delete( GtkWidget *WXUNUSED(widget),
+ GdkDragContext *context,
+ wxDropSource *WXUNUSED(drop_source) )
{
- if (g_isIdle)
+ if (g_isIdle)
wxapp_install_idle_handler();
// printf( "Drag source: drag_data_delete\n" );
GdkDragContext *WXUNUSED(context),
wxDropSource *WXUNUSED(drop_source) )
{
- if (g_isIdle)
+ if (g_isIdle)
wxapp_install_idle_handler();
// printf( "Drag source: drag_begin.\n" );
wxDragResult action = wxDragNone;
if (source->m_dragContext->action == GDK_ACTION_COPY) action = wxDragCopy;
+ if (source->m_dragContext->action == GDK_ACTION_LINK) action = wxDragLink;
if (source->m_dragContext->action == GDK_ACTION_MOVE) action = wxDragMove;
source->GiveFeedback( action );
// wxDropSource
//---------------------------------------------------------------------------
-wxDropSource::wxDropSource( wxWindow *win, const wxIcon &icon )
+wxDropSource::wxDropSource(wxWindow *win,
+ const wxIcon &iconCopy,
+ const wxIcon &iconMove,
+ const wxIcon &iconNone)
{
m_waiting = TRUE;
m_retValue = wxDragCancel;
- m_icon = icon;
- if (wxNullIcon == icon) m_icon = wxIcon( page_xpm );
+ SetIcons(iconCopy, iconMove, iconNone);
}
-wxDropSource::wxDropSource( wxDataObject& data, wxWindow *win, const wxIcon &icon )
+wxDropSource::wxDropSource(wxDataObject& data,
+ wxWindow *win,
+ const wxIcon &iconCopy,
+ const wxIcon &iconMove,
+ const wxIcon &iconNone)
{
m_waiting = TRUE;
m_retValue = wxDragCancel;
- m_icon = icon;
- if (wxNullIcon == icon) m_icon = wxIcon( page_xpm );
+ SetIcons(iconCopy, iconMove, iconNone);
+}
+
+void wxDropSource::SetIcons(const wxIcon &iconCopy,
+ const wxIcon &iconMove,
+ const wxIcon &iconNone)
+{
+ m_iconCopy = iconCopy;
+ m_iconMove = iconMove;
+ m_iconNone = iconNone;
+
+ if ( !m_iconCopy.Ok() )
+ m_iconCopy = wxIcon(page_xpm);
+ if ( !m_iconMove.Ok() )
+ m_iconMove = m_iconCopy;
+ if ( !m_iconNone.Ok() )
+ m_iconNone = m_iconCopy;
}
wxDropSource::~wxDropSource()
{
}
-void wxDropSource::PrepareIcon( int hot_x, int hot_y, GdkDragContext *context )
+void wxDropSource::PrepareIcon( int action, GdkDragContext *context )
{
- GdkBitmap *mask = (GdkBitmap *) NULL;
- if (m_icon.GetMask()) mask = m_icon.GetMask()->GetBitmap();
- GdkPixmap *pixmap = m_icon.GetPixmap();
+ // get the right icon to display
+ wxIcon *icon = NULL;
+ if ( action & GDK_ACTION_MOVE )
+ icon = &m_iconMove;
+ else if ( action & GDK_ACTION_COPY )
+ icon = &m_iconCopy;
+ else
+ icon = &m_iconNone;
+
+ GdkBitmap *mask;
+ if ( icon->GetMask() )
+ mask = icon->GetMask()->GetBitmap();
+ else
+ mask = (GdkBitmap *)NULL;
+
+ GdkPixmap *pixmap = icon->GetPixmap();
gint width,height;
gdk_window_get_size (pixmap, &width, &height);
GdkColormap *colormap = gtk_widget_get_colormap( m_widget );
+#ifndef __WXGTK20__
gtk_widget_push_visual (gdk_colormap_get_visual (colormap));
+#endif
gtk_widget_push_colormap (colormap);
m_iconWindow = gtk_window_new (GTK_WINDOW_POPUP);
gtk_widget_set_events (m_iconWindow, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
gtk_widget_set_app_paintable (GTK_WIDGET (m_iconWindow), TRUE);
+#ifndef __WXGTK20__
gtk_widget_pop_visual ();
+#endif
gtk_widget_pop_colormap ();
gtk_widget_set_usize (m_iconWindow, width, height);
if (mask)
gtk_widget_shape_combine_mask (m_iconWindow, mask, 0, 0);
- gtk_drag_set_icon_widget( context, m_iconWindow, hot_x, hot_y );
+ gtk_drag_set_icon_widget( context, m_iconWindow, 0, 0 );
}
wxDragResult wxDropSource::DoDragDrop( bool allowMove )
if (m_data->GetFormatCount() == 0)
return (wxDragResult) wxDragNone;
+ // still in drag
+ if (g_blockEventsOnDrag)
+ return (wxDragResult) wxDragNone;
+
+ // disabled for now
g_blockEventsOnDrag = TRUE;
RegisterWindow();
for (size_t i = 0; i < m_data->GetFormatCount(); i++)
{
GdkAtom atom = array[i];
- wxLogDebug( wxT("Drop source: Supported atom %s"), gdk_atom_name( atom ) );
+ wxLogTrace(TRACE_DND, wxT("Drop source: Supported atom %s"), gdk_atom_name( atom ));
gtk_target_list_add( target_list, atom, 0, 0 );
}
delete[] array;
/* don't start dragging if no button is down */
if (button_number)
{
- GdkDragAction action = GDK_ACTION_COPY;
- if (allowMove) action = (GdkDragAction)(GDK_ACTION_MOVE|GDK_ACTION_COPY);
+ int action = GDK_ACTION_COPY;
+ if ( allowMove )
+ action |= GDK_ACTION_MOVE;
GdkDragContext *context = gtk_drag_begin( m_widget,
- target_list,
- action,
- button_number, /* number of mouse button which started drag */
- (GdkEvent*) &event );
+ target_list,
+ (GdkDragAction)action,
+ button_number, /* number of mouse button which started drag */
+ (GdkEvent*) &event );
m_dragContext = context;
- PrepareIcon( 0, 0, context );
+ PrepareIcon( action, context );
while (m_waiting) gtk_main_iteration();
-
- if (context->action == GDK_ACTION_COPY)
+
+ if (context->action == GDK_ACTION_COPY)
m_retValue = wxDragCopy;
- if (context->action == GDK_ACTION_MOVE)
+ if (context->action == GDK_ACTION_LINK)
+ m_retValue = wxDragLink;
+ if (context->action == GDK_ACTION_MOVE)
m_retValue = wxDragMove;
}
void wxDropSource::RegisterWindow()
{
if (!m_widget) return;
-
+
gtk_signal_connect( GTK_OBJECT(m_widget), "drag_data_get",
GTK_SIGNAL_FUNC (source_drag_data_get), (gpointer) this);
gtk_signal_connect (GTK_OBJECT(m_widget), "drag_data_delete",
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