-// ----------------------------------------------------------------------------
-// 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;
- size_t i;
- char *text = (char*) data;
- for ( i = 0; i < size; i++)
- if (text[i] == 0) number++;
-
- if (number == 0) return TRUE;
-
- char **files = new char*[number];
-
- text = (char*) data;
- for (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, const wxIcon &go, const wxIcon &stop )
-{
- 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 );
-
- m_goIcon = go;
- if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm );
- m_stopIcon = stop;
- if (wxNullIcon == stop) m_stopIcon = wxIcon( gv_xpm );
-}
-
-wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go, const wxIcon &stop )
-{
- 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 );
-
- m_goIcon = go;
- if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm );
- m_stopIcon = stop;
- if (wxNullIcon == stop) m_stopIcon = wxIcon( gv_xpm );
-}
-
-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 ( m_stopIcon,
- 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 ( m_goIcon,
- 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 (const wxIcon &shape,
- gint x,
- gint y,
- gint px,
- gint py,
- gint window_type)
-{
- /*
- * GDK_WINDOW_TOPLEVEL works also, giving you a title border
- */
- GtkWidget *window = gtk_window_new ((GtkWindowType)window_type);
-
- GtkWidget *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);
-
- GdkBitmap *mask = (GdkBitmap*) NULL;
- if (shape.GetMask()) mask = shape.GetMask()->GetBitmap();
-
- GtkWidget *pixmap = gtk_pixmap_new (shape.GetPixmap(), mask);
- gtk_fixed_put (GTK_FIXED (fixed), pixmap, px,py);
- gtk_widget_show (pixmap);
-
- gtk_widget_shape_combine_mask (window, 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);
-
- CursorOffset*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
-
projects / wxWidgets.git / blobdiff