Add GdMainView for use in the overview

This widget courtesy of gnome-documents

https://bugzilla.gnome.org/show_bug.cgi?id=455173

1 files changed, 155 insertions, 0 deletions

diff --git a/lib/widgets/gd-main-view-generic.c b/lib/widgets/gd-main-view-generic.c
new file mode 100644
index 000000000..df8d75685
--- /dev/null
+++ b/lib/widgets/gd-main-view-generic.c
@@ -0,0 +1,155 @@
+/*
+ * Copyright (c) 2011 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser 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 Lesser General Public 
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Author: Cosimo Cecchi <cosimoc@redhat.com>
+ *
+ */
+
+#include "gd-main-view.h"
+#include "gd-main-view-generic.h"
+
+typedef GdMainViewGenericIface GdMainViewGenericInterface;
+G_DEFINE_INTERFACE (GdMainViewGeneric, gd_main_view_generic, GTK_TYPE_WIDGET)
+
+static void
+gd_main_view_generic_default_init (GdMainViewGenericInterface *iface)
+{
+  /* nothing */
+}
+
+/**
+ * gd_main_view_generic_set_model:
+ * @self:
+ * @model: (allow-none):
+ *
+ */
+void
+gd_main_view_generic_set_model (GdMainViewGeneric *self,
+                                GtkTreeModel *model)
+{
+  GdMainViewGenericInterface *iface;
+
+  iface = GD_MAIN_VIEW_GENERIC_GET_IFACE (self);
+
+  (* iface->set_model) (self, model);
+}
+
+GtkTreePath *
+gd_main_view_generic_get_path_at_pos (GdMainViewGeneric *self,
+                                      gint x,
+                                      gint y)
+{
+  GdMainViewGenericInterface *iface;
+
+  iface = GD_MAIN_VIEW_GENERIC_GET_IFACE (self);
+
+  return (* iface->get_path_at_pos) (self, x, y);
+}
+
+void
+gd_main_view_generic_set_selection_mode (GdMainViewGeneric *self,
+                                         gboolean selection_mode)
+{
+  GdMainViewGenericInterface *iface;
+
+  iface = GD_MAIN_VIEW_GENERIC_GET_IFACE (self);
+
+  (* iface->set_selection_mode) (self, selection_mode);
+}
+
+void
+gd_main_view_generic_scroll_to_path (GdMainViewGeneric *self,
+                                     GtkTreePath *path)
+{
+  GdMainViewGenericInterface *iface;
+
+  iface = GD_MAIN_VIEW_GENERIC_GET_IFACE (self);
+
+  (* iface->scroll_to_path) (self, path);
+}
+
+static gboolean
+build_selection_uris_foreach (GtkTreeModel *model,
+                              GtkTreePath *path,
+                              GtkTreeIter *iter,
+                              gpointer user_data)
+{
+  GPtrArray *ptr_array = user_data;
+  gchar *uri;
+  gboolean is_selected;
+
+  gtk_tree_model_get (model, iter,
+                      GD_MAIN_COLUMN_URI, &uri,
+                      GD_MAIN_COLUMN_SELECTED, &is_selected,
+                      -1);
+
+  if (is_selected)
+    g_ptr_array_add (ptr_array, uri);
+  else
+    g_free (uri);
+
+  return FALSE;
+}
+
+static gchar **
+model_get_selection_uris (GtkTreeModel *model)
+{
+  GPtrArray *ptr_array = g_ptr_array_new ();
+
+  gtk_tree_model_foreach (model,
+                          build_selection_uris_foreach,
+                          ptr_array);
+  
+  g_ptr_array_add (ptr_array, NULL);
+  return (gchar **) g_ptr_array_free (ptr_array, FALSE);
+}
+
+void
+_gd_main_view_generic_dnd_common (GtkTreeModel *model,
+                                  gboolean selection_mode,
+                                  GtkTreePath *path,
+                                  GtkSelectionData *data)
+{
+  gchar **uris;
+
+  if (selection_mode)
+    {
+      uris = model_get_selection_uris (model);
+    }
+  else
+    {
+      GtkTreeIter iter;
+      gboolean res;
+      gchar *uri = NULL;
+
+      if (path != NULL)
+        {
+          res = gtk_tree_model_get_iter (model, &iter, path);
+          if (res)
+            gtk_tree_model_get (model, &iter,
+                                GD_MAIN_COLUMN_URI, &uri,
+                                -1);
+        }
+
+      uris = g_new0 (gchar *, 2);
+      uris[0] = uri;
+      uris[1] = NULL;
+    }
+
+  gtk_selection_data_set_uris (data, uris);
+  g_strfreev (uris);
+}