Move the old dnd code here for reference purposes

gnome/olddnd.c

@@ -0,0 +1,235 @@
+#ifdef OLD_DND
+/*
+ * Handler for text/plain and url:ALL drag types
+ *
+ * Sets the drag information to the filenames selected on the panel
+ */
+static void
+panel_transfer_file_names (GtkWidget *widget, GdkEventDragRequest *event, WPanel *panel, int *len, char **data)
+{
+	*data = panel_build_selected_file_list (panel, len);
+}
+
+/*
+ * Handler for file:ALL type (target application only understands local pathnames)
+ *
+ * Makes local copies of the files and transfers the filenames.
+ */
+static void
+panel_make_local_copies_and_transfer (GtkWidget *widget, GdkEventDragRequest *event, WPanel *panel,
+				      int *len, char **data)
+{
+	char *filename, *localname;
+	int i;
+	
+	if (panel->marked){
+		char **local_names_array, *p;
+		int j, total_len;
+
+		/* First assemble all of the filenames */
+		local_names_array = malloc (sizeof (char *) * panel->marked);
+		total_len = j = 0;
+		for (i = 0; i < panel->count; i++){
+			char *filename;
+
+			if (!panel->dir.list [i].f.marked)
+				continue;
+			
+			filename = concat_dir_and_file (panel->cwd, panel->dir.list [i].fname);
+			localname = mc_getlocalcopy (filename);
+			total_len += strlen (localname) + 1;
+			local_names_array [j++] = localname;
+			free (filename);
+		}
+		*len = total_len;
+		*data = p = malloc (total_len);
+		for (i = 0; i < j; i++){
+			strcpy (p, local_names_array [i]);
+			g_free (local_names_array [i]);
+			p += strlen (p) + 1;
+		}
+	} else {
+		filename = concat_dir_and_file (panel->cwd, panel->dir.list [panel->selected].fname);
+		localname = mc_getlocalcopy (filename);
+		free (filename);
+		*data = localname;
+		*len = strlen (localname + 1);
+	}
+}
+
+static void
+panel_drag_request (GtkWidget *widget, GdkEventDragRequest *event, WPanel *panel, int *len, char **data)
+{
+	*len = 0;
+	*data = 0;
+	
+	if ((strcmp (event->data_type, "text/plain") == 0) ||
+	    (strcmp (event->data_type, "url:ALL") == 0)){
+		panel_transfer_file_names (widget, event, panel, len, data);
+	} else if (strcmp (event->data_type, "file:ALL") == 0){
+		if (vfs_file_is_local (panel->cwd))
+			panel_transfer_file_names (widget, event, panel, len, data);
+		else
+			panel_make_local_copies_and_transfer (widget, event, panel, len, data);
+	}
+}
+
+/*
+ * Listing mode: drag request handler
+ */
+static void
+panel_clist_drag_request (GtkWidget *widget, GdkEventDragRequest *event, WPanel *panel)
+{
+	GdkWindowPrivate *clist_window = (GdkWindowPrivate *) (GTK_WIDGET (widget)->window);
+	GdkWindowPrivate *clist_areaw  = (GdkWindowPrivate *) (GTK_CLIST (widget)->clist_window);
+	char *data;
+	int len;
+
+	panel_drag_request (widget, event, panel, &len, &data);
+	
+	/* Now transfer the DnD information */
+	if (len && data){
+		if (clist_window->dnd_drag_accepted)
+			gdk_window_dnd_data_set ((GdkWindow *)clist_window, (GdkEvent *) event, data, len);
+		else
+			gdk_window_dnd_data_set ((GdkWindow *)clist_areaw, (GdkEvent *) event, data, len);
+		free (data);
+	}
+}
+
+/*
+ * Invoked when a drop has happened on the panel
+ */
+static void
+panel_clist_drop_data_available (GtkWidget *widget, GdkEventDropDataAvailable *data, WPanel *panel)
+{
+	gint winx, winy;
+	gint dropx, dropy;
+	gint row;
+	char *drop_dir;
+	
+	gdk_window_get_origin (GTK_CLIST (widget)->clist_window, &winx, &winy);
+	dropx = data->coords.x - winx;
+	dropy = data->coords.y - winy;
+
+	if (dropx < 0 || dropy < 0)
+		return;
+
+	if (gtk_clist_get_selection_info (GTK_CLIST (widget), dropx, dropy, &row, NULL) == 0)
+		drop_dir = panel->cwd;
+	else {
+		g_assert (row < panel->count);
+
+	}
+#if 0
+	drop_on_directory (data, drop_dir, 0);
+#endif
+
+	if (drop_dir != panel->cwd)
+		free (drop_dir);
+
+	update_one_panel_widget (panel, 0, UP_KEEPSEL);
+	panel_update_contents (panel);
+}
+
+static void
+panel_drag_begin (GtkWidget *widget, GdkEvent *event, WPanel *panel)
+{
+	GdkPoint hotspot = { 15, 15 };
+
+	if (panel->marked > 1){
+		if (drag_multiple && drag_multiple_ok){
+			gdk_dnd_set_drag_shape (drag_multiple->window, &hotspot,
+						drag_multiple_ok->window, &hotspot);
+			gtk_widget_show (drag_multiple);
+			gtk_widget_show (drag_multiple_ok);
+		}
+			
+	} else {
+		if (drag_directory && drag_directory_ok)
+			gdk_dnd_set_drag_shape (drag_directory->window, &hotspot,
+						drag_directory_ok->window, &hotspot);	
+			gtk_widget_show (drag_directory_ok);
+			gtk_widget_show (drag_directory);
+	}
+
+}
+
+static void
+panel_icon_list_drag_begin (GtkWidget *widget, GdkEvent *event, WPanel *panel)
+{
+	GnomeIconList *icons = GNOME_ICON_LIST (panel->icons);
+	
+	icons->last_clicked = NULL;
+	panel_drag_begin (widget, event, panel);
+}
+
+static void
+panel_artificial_drag_start (GtkCList *window, GdkEventMotion *event)
+{
+	artificial_drag_start (window->clist_window, event->x, event->y);
+}
+#endif /* OLD_DND */
+
+#if OLD_DND
+static void
+panel_icon_list_artificial_drag_start (GtkObject *obj, GdkEventMotion *event)
+{
+	artificial_drag_start (GTK_WIDGET (obj)->window, event->x, event->y);
+}
+
+/*
+ * Icon view drag request handler
+ */
+static void
+panel_icon_list_drag_request (GtkWidget *widget, GdkEventDragRequest *event, WPanel *panel)
+{
+	char *data;
+	int len;
+
+	panel_drag_request (widget, event, panel, &len, &data);
+
+	if (len && data){
+		gdk_window_dnd_data_set (widget->window, (GdkEvent *) event, data, len);
+		free (data);
+	}
+}
+
+static void
+panel_icon_list_drop_data_available (GtkWidget *widget, GdkEventDropDataAvailable *data, WPanel *panel)
+{
+	GnomeIconList *ilist = GNOME_ICON_LIST (widget);
+	gint winx, winy;
+	gint dropx, dropy;
+	gint item;
+	char *drop_dir;
+	
+	gdk_window_get_origin (widget->window, &winx, &winy);
+	dropx = data->coords.x - winx;
+	dropy = data->coords.y - winy;
+
+	if (dropx < 0 || dropy < 0)
+		return;
+
+	item = gnome_icon_list_get_icon_at (ilist, dropx, dropy);
+	if (item == -1)
+		drop_dir = panel->cwd;
+	else {
+		g_assert (item < panel->count);
+
+		if (S_ISDIR (panel->dir.list [item].buf.st_mode))
+			drop_dir = concat_dir_and_file (panel->cwd, panel->dir.list [item].fname);
+		else 
+			drop_dir = panel->cwd;
+	}
+#if 0
+	drop_on_directory (data, drop_dir, 0);
+#endif
+
+	if (drop_dir != panel->cwd)
+		free (drop_dir);
+
+	update_one_panel_widget (panel, 0, UP_KEEPSEL);
+	panel_update_contents (panel);
+}
+#endif