Organized master branch to be top-level directory for glabels, instead of

[glabels] / src / combo-util.c

diff --git a/src/combo-util.c b/src/combo-util.c
new file mode 100644 (file)
index 0000000..0ca90f1
--- /dev/null
+++ b/src/combo-util.c
@@ -0,0 +1,148 @@
+/*
+ *  combo-util.c
+ *  Copyright (C) 2001-2009  Jim Evins <evins@snaught.com>.
+ *
+ *  This file is part of gLabels.
+ *
+ *  gLabels 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.
+ *
+ *  gLabels 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 gLabels.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "combo-util.h"
+
+#include <libglabels/libglabels.h>
+
+
+/****************************************************************************/
+/* Convienience function to set strings in a text combo_box from a GList    */
+/****************************************************************************/
+void
+gl_combo_util_set_strings (GtkComboBox       *combo,
+                           GList             *list)
+{
+       GtkTreeModel *model;
+       GList        *p;
+
+       g_return_if_fail (list);
+
+       model = gtk_combo_box_get_model(combo);
+       gtk_list_store_clear (GTK_LIST_STORE (model));
+
+       for (p=list; p!=NULL; p=p->next) {
+               if (p->data) {
+                       gtk_combo_box_append_text (combo, p->data);
+               }
+       }
+}
+
+
+/*---------------------------------------------------------------------------*/
+/* PRIVATE.  gl_combo_util_set_active_text support.                          */
+/*---------------------------------------------------------------------------*/
+
+typedef struct {
+  const gchar *text;
+  GtkTreeIter  iter;
+  gboolean     found;
+} TextSearchData;
+
+static gboolean
+search_text_func (GtkTreeModel *model,
+                 GtkTreePath  *path,
+                 GtkTreeIter  *iter,
+                 gpointer      data)
+{
+  TextSearchData *search_data = (TextSearchData *)data;
+  gchar          *text = NULL;
+
+  gtk_tree_model_get (model, iter, 0, &text, -1);
+
+  if (strcmp (text,search_data->text) == 0) {
+    search_data->found = TRUE;
+    search_data->iter  = *iter;
+  }
+
+  g_free (text);
+  
+  return FALSE;
+}
+
+
+/****************************************************************************/
+/* Convienience function to set active text in a text combo_box from text   */
+/****************************************************************************/
+void
+gl_combo_util_set_active_text (GtkComboBox       *combo,
+                               const gchar       *text)
+{
+       GtkTreeModel   *model = gtk_combo_box_get_model(combo);
+
+       g_return_if_fail (GTK_IS_LIST_STORE (model));
+
+       if (!text) {
+
+               gtk_combo_box_set_active (combo, -1);
+
+       } else {
+               TextSearchData  search_data;
+
+               search_data.text        = text;
+               search_data.found       = FALSE;
+
+               gtk_tree_model_foreach (model, search_text_func, &search_data);
+               if (search_data.found) {
+                       gtk_combo_box_set_active_iter (combo,
+                                                      &search_data.iter);
+               } else {
+                       gtk_combo_box_set_active (combo, -1);
+               }    
+
+       }
+
+}
+
+
+/****************************************************************************/
+/* Convienience function to add a simple text model to an existing          */
+/* combo_box.  This is needed since combo_boxes created with glade do not   */
+/* use the gtk_combo_box_new_text() constructor.                            */
+/****************************************************************************/
+void
+gl_combo_util_add_text_model (GtkComboBox       *combo)
+{
+       GtkCellRenderer *cell;
+       GtkListStore *store;
+
+       store = gtk_list_store_new (1, G_TYPE_STRING);
+       gtk_combo_box_set_model (combo, GTK_TREE_MODEL (store));
+       g_object_unref (store);
+
+       cell = gtk_cell_renderer_text_new ();
+       gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, TRUE);
+       gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), cell,
+                                       "text", 0,
+                                       NULL);
+}
+
+
+
+/*
+ * Local Variables:       -- emacs
+ * mode: C                -- emacs
+ * c-basic-offset: 8      -- emacs
+ * tab-width: 8           -- emacs
+ * indent-tabs-mode: nil  -- emacs
+ * End:                   -- emacs
+ */