Initial import of cleaned Calls working tree

src/util.c

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2018 Purism SPC
+ *
+ * This file is part of Calls.
+ *
+ * Calls 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Calls 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 Calls.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Bob Ham <bob.ham@puri.sm>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "util.h"
+
+typedef struct
+{
+  gpointer needle;
+  guint needle_column;
+  GtkTreeIter *iter;
+  gboolean found;
+} ListStoreFindData;
+
+static gboolean
+list_store_find_foreach_cb (GtkTreeModel *model,
+                            GtkTreePath  *path,
+                            GtkTreeIter  *iter,
+                            gpointer      data)
+{
+  ListStoreFindData *find_data = data;
+  gpointer value;
+
+  gtk_tree_model_get (model, iter, find_data->needle_column,
+                      &value, -1);
+
+  if (value == find_data->needle)
+    {
+      *find_data->iter = *iter;
+      return (find_data->found = TRUE);
+    }
+
+  return FALSE;
+}
+
+gboolean
+calls_list_store_find (GtkListStore *store,
+                       gpointer needle,
+                       gint needle_column,
+                       GtkTreeIter *iter)
+{
+  ListStoreFindData find_data
+    = { needle, needle_column, iter, FALSE };
+
+  gtk_tree_model_foreach (GTK_TREE_MODEL (store),
+                          list_store_find_foreach_cb,
+                          &find_data);
+
+  return find_data.found;
+}