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-rw-r--r--src/fr-list-model.c188
1 files changed, 188 insertions, 0 deletions
diff --git a/src/fr-list-model.c b/src/fr-list-model.c
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/*
+ * File-Roller
+ *
+ * Copyright (C) 2005 Free Software Foundation, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
+ */
+
+#include <config.h>
+#include "eggtreemultidnd.h"
+#include "fr-list-model.h"
+#include "fr-window.h"
+
+
+static GtkListStoreClass *parent_class;
+
+
+static gboolean
+fr_list_model_multi_row_draggable (EggTreeMultiDragSource *drag_source,
+ GList *path_list)
+{
+ FrWindow *window;
+ GtkTreeModel *model;
+ GList *scan;
+
+ window = g_object_get_data (G_OBJECT (drag_source), "FrWindow");
+ g_return_val_if_fail (window != NULL, FALSE);
+
+ model = fr_window_get_list_store (window);
+
+ for (scan = path_list; scan; scan = scan->next) {
+ GtkTreeRowReference *reference = scan->data;
+ GtkTreePath *path;
+ GtkTreeIter iter;
+ FileData *fdata;
+
+ path = gtk_tree_row_reference_get_path (reference);
+ if (path == NULL)
+ continue;
+
+ if (! gtk_tree_model_get_iter (model, &iter, path))
+ continue;
+
+ gtk_tree_model_get (model, &iter,
+ COLUMN_FILE_DATA, &fdata,
+ -1);
+
+ if (fdata != NULL)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+
+static gboolean
+fr_list_model_multi_drag_data_get (EggTreeMultiDragSource *drag_source,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ GList *path_list)
+{
+ FrWindow *window;
+
+ window = g_object_get_data (G_OBJECT (drag_source), "FrWindow");
+ g_return_val_if_fail (window != NULL, FALSE);
+
+ return fr_window_file_list_drag_data_get (window,
+ context,
+ selection_data,
+ path_list);
+}
+
+
+static gboolean
+fr_list_model_multi_drag_data_delete (EggTreeMultiDragSource *drag_source,
+ GList *path_list)
+{
+ return TRUE;
+}
+
+
+static void
+fr_list_model_finalize (GObject *object)
+{
+ if (G_OBJECT_CLASS (parent_class)->finalize)
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+
+static void
+fr_list_model_init (FRListModel *model)
+{
+}
+
+
+static void
+fr_list_model_class_init (FRListModelClass *klass)
+{
+ GObjectClass *object_class;
+
+ object_class = (GObjectClass *)klass;
+ parent_class = g_type_class_peek_parent (klass);
+
+ object_class->finalize = fr_list_model_finalize;
+}
+
+
+
+static void
+fr_list_model_multi_drag_source_init (EggTreeMultiDragSourceIface *iface)
+{
+ iface->row_draggable = fr_list_model_multi_row_draggable;
+ iface->drag_data_get = fr_list_model_multi_drag_data_get;
+ iface->drag_data_delete = fr_list_model_multi_drag_data_delete;
+}
+
+
+GType
+fr_list_model_get_type (void)
+{
+ static GType object_type = 0;
+
+ if (object_type == 0) {
+ static const GTypeInfo object_info = {
+ sizeof (FRListModelClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) fr_list_model_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (FRListModel),
+ 0,
+ (GInstanceInitFunc) fr_list_model_init,
+ };
+
+ static const GInterfaceInfo multi_drag_source_info = {
+ (GInterfaceInitFunc) fr_list_model_multi_drag_source_init,
+ NULL,
+ NULL
+ };
+
+ object_type = g_type_register_static (GTK_TYPE_LIST_STORE, "FRListModel", &object_info, 0);
+ g_type_add_interface_static (object_type,
+ EGG_TYPE_TREE_MULTI_DRAG_SOURCE,
+ &multi_drag_source_info);
+ }
+
+ return object_type;
+}
+
+
+GtkListStore *
+fr_list_model_new (int n_columns, ...)
+{
+ GtkListStore *retval;
+ GType *types;
+ va_list args;
+ int i;
+
+ g_return_val_if_fail (n_columns > 0, NULL);
+
+ retval = g_object_new (FR_TYPE_LIST_MODEL, NULL);
+
+ va_start (args, n_columns);
+ types = g_new0 (GType, n_columns);
+ for (i = 0; i < n_columns; i++)
+ types[i] = va_arg (args, GType);
+ va_end (args);
+
+ gtk_list_store_set_column_types (retval, n_columns, types);
+ g_free (types);
+
+ return retval;
+}