+
+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;
+}
+
+// ----------------------------------------------------------------------------
+// wxPrivateDropTarget
+// ----------------------------------------------------------------------------
+
+wxPrivateDropTarget::wxPrivateDropTarget()
+{
+ m_id = wxTheApp->GetAppName();
+ m_format = new wxDataFormat( m_id );
+}
+
+void wxPrivateDropTarget::SetId( const wxString& id )
+{
+ m_id = id;
+ m_format->SetId( id );
+}
+
+size_t wxPrivateDropTarget::GetFormatCount() const
+{
+ return 1;
+}
+
+// ----------------------------------------------------------------------------
+// wxFileDropTarget
+// ----------------------------------------------------------------------------
+
+wxFileDropTarget::wxFileDropTarget()
+{
+ m_format = new wxDataFormat( wxDF_FILENAME );
+}
+
+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;
+}
+
+//-------------------------------------------------------------------------
+// wxDropSource
+//-------------------------------------------------------------------------
+
+static void
+shape_motion (GtkWidget *widget,
+ GdkEventMotion * /*event*/);
+
+//-----------------------------------------------------------------------------
+// "drag_request_event"
+//-----------------------------------------------------------------------------
+
+void gtk_drag_callback( GtkWidget *widget, GdkEventDragRequest *event, wxDropSource *source )
+{
+ wxDataBroker *data = source->m_data;
+
+ if (!data) return;
+
+ wxNode *node = data->m_dataObjects.First();
+ {
+ wxDataObject *dobj = (wxDataObject*) node->Data();
+
+ if ((strcmp(event->data_type,"file:ALL") == 0) &&
+ (dobj->GetFormat().GetType() == wxDF_FILENAME))
+ {
+ wxFileDataObject *file_object = (wxFileDataObject*) dobj;
+
+ wxString text = file_object->GetFiles();
+
+ char *s = WXSTRINGCAST text;
+
+ gtk_widget_dnd_data_set( widget,
+ (GdkEvent*)event,
+ (unsigned char*) s,
+ (int) text.Length()+1 );
+
+ source->m_retValue = wxDragCopy;
+
+ return;
+ }
+
+ if ((strcmp(event->data_type,"text/plain") == 0) &&
+ (dobj->GetFormat().GetType() == wxDF_TEXT))
+ {
+ wxTextDataObject *text_object = (wxTextDataObject*) dobj;
+
+ wxString text = text_object->GetText();
+
+ char *s = WXSTRINGCAST text;
+
+ gtk_widget_dnd_data_set( widget,
+ (GdkEvent*)event,
+ (unsigned char*) s,
+ (int) text.Length()+1 );
+
+ source->m_retValue = wxDragCopy;
+
+ return;
+ }
+
+ if (dobj->GetFormat().GetType() == wxDF_PRIVATE)
+ {
+ wxPrivateDataObject *pdo = (wxPrivateDataObject*) dobj;
+
+ if (pdo->GetId() == event->data_type)
+ {
+ gtk_widget_dnd_data_set( widget,
+ (GdkEvent*)event,
+ (unsigned char*) pdo->GetData(),
+ (int) pdo->GetSize() );
+
+ source->m_retValue = wxDragCopy;
+
+ return;
+ }
+ }
+
+ node = node->Next();
+ }
+}
+
+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 = (wxDataBroker*) 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;
+
+ if (data)
+ {
+ m_data = new wxDataBroker();
+ m_data->Add( data );
+ }
+ else
+ {
+ m_data = (wxDataBroker*) NULL;
+ }
+
+ m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
+ m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+}
+
+wxDropSource::wxDropSource( wxDataBroker *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 )
+{
+ if (m_data) delete m_data;
+
+ if (data)
+ {
+ m_data = new wxDataBroker();
+ m_data->Add( data );
+ }
+ else
+ {
+ m_data = (wxDataBroker*) NULL;
+ }
+}
+
+void wxDropSource::SetData( wxDataBroker *data )
+{
+ if (m_data) delete m_data;
+
+ m_data = data;
+}
+
+wxDropSource::~wxDropSource(void)
+{
+ if (m_data) delete m_data;
+
+ g_blockEventsOnDrag = FALSE;
+}
+
+wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
+{
+ if (gdk_dnd.dnd_grabbed) return (wxDragResult) wxDragNone;
+ if (gdk_dnd.drag_really) return (wxDragResult) wxDragNone;
+
+ wxASSERT_MSG( m_data, "wxDragSource: no data" );
+
+ if (!m_data) return (wxDragResult) wxDragNone;
+
+ static GtkWidget *drag_icon = (GtkWidget*) NULL;
+ static GtkWidget *drop_icon = (GtkWidget*) NULL;
+
+ GdkPoint hotspot_1 = {0,-5 };
+
+ if (!drag_icon)
+ {
+ drag_icon = shape_create_icon ( gv_xpm,
+ 440, 140, 0,0, GTK_WINDOW_POPUP);
+
+ gtk_signal_connect (GTK_OBJECT (drag_icon), "destroy",
+ GTK_SIGNAL_FUNC(gtk_widget_destroyed),
+ &drag_icon);
+
+ gtk_widget_hide (drag_icon);
+ }
+
+ GdkPoint hotspot_2 = {-5,-5};
+
+ if (!drop_icon)
+ {
+ drop_icon = shape_create_icon ( page_xpm,
+ 440, 140, 0,0, GTK_WINDOW_POPUP);
+
+ gtk_signal_connect (GTK_OBJECT (drop_icon), "destroy",
+ GTK_SIGNAL_FUNC(gtk_widget_destroyed),
+ &drop_icon);
+
+ gtk_widget_hide (drop_icon);
+ }
+
+
+ gdk_dnd_set_drag_shape( drag_icon->window,
+ &hotspot_1,
+ drop_icon->window,
+ &hotspot_2);
+
+
+ GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window;
+
+ RegisterWindow();
+
+ gdk_dnd.drag_perhaps = TRUE;
+
+ gdk_dnd.dnd_drag_start.x = 5;
+ gdk_dnd.dnd_drag_start.y = 5;
+ gdk_dnd.real_sw = wp;
+
+ if (gdk_dnd.drag_startwindows)
+ {
+ g_free( gdk_dnd.drag_startwindows );
+ gdk_dnd.drag_startwindows = (GdkWindow **) NULL;
+ }
+ gdk_dnd.drag_numwindows = gdk_dnd.drag_really = 0;
+
+ XWindowAttributes dnd_winattr;
+ XGetWindowAttributes( gdk_display, wp->xwindow, &dnd_winattr );
+ wp->dnd_drag_savedeventmask = dnd_winattr.your_event_mask;
+
+ gdk_dnd_drag_addwindow( m_widget->window );
+
+ GdkEventDragBegin ev;
+ ev.type = GDK_DRAG_BEGIN;
+ ev.window = m_widget->window;
+ ev.u.allflags = 0;
+ ev.u.flags.protocol_version = DND_PROTOCOL_VERSION;
+
+ gdk_event_put( (GdkEvent*)&ev );
+
+ XGrabPointer( gdk_display, wp->xwindow, False,
+ ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
+ GrabModeAsync, GrabModeAsync, gdk_root_window, None, CurrentTime );
+
+ gdk_dnd_set_drag_cursors( m_defaultCursor.GetCursor(), m_goaheadCursor.GetCursor() );
+
+ gdk_dnd.dnd_grabbed = TRUE;
+ gdk_dnd.drag_really = 1;
+
+ int x = 0;
+ int y = 0;
+ wxGetMousePosition( &x, &y );
+
+ gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE );
+
+ gs_currentDropSource = this;
+
+ while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield();
+
+ gs_currentDropSource = (wxDropSource*) NULL;
+
+ UnregisterWindow();
+
+ g_blockEventsOnDrag = FALSE;
+
+ return m_retValue;
+}
+
+void wxDropSource::RegisterWindow(void)
+{
+ if (!m_data) return;
+
+ wxString formats;
+
+ wxNode *node = m_data->m_dataObjects.First();
+ while (node)
+ {
+ wxDataObject* dobj = (wxDataObject*) node->Data();
+
+ switch (dobj->GetFormat().GetType())
+ {
+ case wxDF_TEXT:
+ {
+ formats += "text/plain";
+ break;
+ }
+ case wxDF_FILENAME:
+ {
+ formats += "file:ALL";
+ break;
+ }
+ case wxDF_PRIVATE:
+ {
+ wxPrivateDataObject* pdo = (wxPrivateDataObject*) m_data;
+ formats += pdo->GetId();
+ break;
+ }
+ default:
+ break;
+ }
+ node = node->Next();
+ }
+
+ char *str = WXSTRINGCAST formats;
+
+ gtk_widget_dnd_drag_set( m_widget, TRUE, &str, 1 );
+
+ gtk_signal_connect( GTK_OBJECT(m_widget), "drag_request_event",
+ GTK_SIGNAL_FUNC(gtk_drag_callback), (gpointer)this );
+}
+
+void wxDropSource::UnregisterWindow(void)
+{
+ if (!m_widget) return;
+
+ gtk_widget_dnd_drag_set( m_widget, FALSE, (gchar **) NULL, 0 );
+
+ gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this );
+}
+
+
+/*
+ * Shaped Windows
+ */
+static GdkWindow *root_win = (GdkWindow*) NULL;
+
+typedef struct _cursoroffset {gint x,y;} CursorOffset;
+
+static void
+shape_pressed (GtkWidget *widget, GdkEventButton *event)
+{
+ CursorOffset *p;
+
+ /* ignore double and triple click */
+ if (event->type != GDK_BUTTON_PRESS)
+ return;
+
+ p = (CursorOffset *)gtk_object_get_user_data (GTK_OBJECT(widget));
+ p->x = (int) event->x;
+ p->y = (int) event->y;
+
+ gtk_grab_add (widget);
+ gdk_pointer_grab (widget->window, TRUE,
+ (GdkEventMask)
+ (GDK_BUTTON_RELEASE_MASK |
+ GDK_BUTTON_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK),
+ (GdkWindow*)NULL,
+ (GdkCursor*) NULL, 0);
+}
+
+
+static void
+shape_released (GtkWidget *widget)
+{
+ gtk_grab_remove (widget);
+ gdk_pointer_ungrab (0);
+}
+
+static void
+shape_motion (GtkWidget *widget,
+ GdkEventMotion * /*event*/ )
+{
+ gint xp, yp;
+ CursorOffset * p;
+ GdkModifierType mask;
+
+ p = (CursorOffset *)gtk_object_get_user_data (GTK_OBJECT (widget));
+
+ /*
+ * Can't use event->x / event->y here
+ * because I need absolute coordinates.
+ */
+
+ gdk_window_get_pointer (root_win, &xp, &yp, &mask);
+ gtk_widget_set_uposition (widget, xp - p->x, yp - p->y);
+
+ if (gs_currentDropSource) gs_currentDropSource->GiveFeedback( wxDragCopy, FALSE );
+}
+
+GtkWidget *
+shape_create_icon (char **data,
+ gint x,
+ gint y,
+ gint px,
+ gint py,
+ gint window_type)
+{
+ GtkWidget *window;
+ GtkWidget *pixmap;
+ GtkWidget *fixed;
+ CursorOffset* icon_pos;
+ GdkGC* gc;
+ GdkBitmap *gdk_pixmap_mask;
+ GdkPixmap *gdk_pixmap;
+ GtkStyle *style;
+
+ style = gtk_widget_get_default_style ();
+ gc = style->black_gc;
+
+ /*
+ * GDK_WINDOW_TOPLEVEL works also, giving you a title border
+ */
+ window = gtk_window_new ((GtkWindowType)window_type);
+
+ fixed = gtk_fixed_new ();
+ gtk_widget_set_usize (fixed, 100,100);
+ gtk_container_add (GTK_CONTAINER (window), fixed);
+ gtk_widget_show (fixed);
+
+ gtk_widget_set_events (window,
+ gtk_widget_get_events (window) |
+ GDK_BUTTON_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK |
+ GDK_BUTTON_PRESS_MASK);
+
+ gtk_widget_realize (window);
+
+ gdk_pixmap = gdk_pixmap_create_from_xpm_d (window->window, &gdk_pixmap_mask,
+ &style->bg[GTK_STATE_NORMAL],
+ (gchar**) data );
+
+ pixmap = gtk_pixmap_new (gdk_pixmap, gdk_pixmap_mask);
+ gtk_fixed_put (GTK_FIXED (fixed), pixmap, px,py);
+ gtk_widget_show (pixmap);
+
+ gtk_widget_shape_combine_mask (window, gdk_pixmap_mask, px,py);
+
+
+ gtk_signal_connect (GTK_OBJECT (window), "button_press_event",
+ GTK_SIGNAL_FUNC (shape_pressed),NULL);
+ gtk_signal_connect (GTK_OBJECT (window), "button_release_event",
+ GTK_SIGNAL_FUNC (shape_released),NULL);
+ gtk_signal_connect (GTK_OBJECT (window), "motion_notify_event",
+ GTK_SIGNAL_FUNC (shape_motion),NULL);
+
+ icon_pos = g_new (CursorOffset, 1);
+ gtk_object_set_user_data(GTK_OBJECT(window), icon_pos);
+
+ gtk_widget_set_uposition (window, x, y);
+ gtk_widget_show (window);
+
+ return window;
+}
+
+#endif
+ // NEW_GTK_DND_CODE
+
+#endif
+
+ // wxUSE_DRAG_AND_DROP
\ No newline at end of file
projects / wxWidgets.git / blobdiff