add different ways to set boolean values

src/form.c

@@ -240,10 +240,7 @@ set_field_value (guint num, gchar * value)
       break;
 
     case YAD_FIELD_CHECK:
-      if (g_ascii_strcasecmp (value, "TRUE") == 0)
-        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (w), TRUE);
-      else
-        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (w), FALSE);
+      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (w), get_bool_val (value));
       break;
 
     case YAD_FIELD_COMPLETE:

src/icons.c

@@ -218,10 +218,7 @@ handle_stdin (GIOChannel * channel, GIOCondition condition, gpointer data)
                 g_object_unref (pb);
               break;
             case COL_TERM:
-              if (strcasecmp (string->str, "true") == 0)
-                gtk_list_store_set (GTK_LIST_STORE (model), &iter, column_count, TRUE, -1);
-              else
-                gtk_list_store_set (GTK_LIST_STORE (model), &iter, column_count, FALSE, -1);
+              gtk_list_store_set (GTK_LIST_STORE (model), &iter, column_count, get_bool_val (string->str), -1);
               break;
             }
 

src/list.c

@@ -399,7 +399,7 @@ cell_set_data (GtkTreeIter *it, guint num, gchar *data)
     {
     case YAD_COLUMN_CHECK:
     case YAD_COLUMN_RADIO:
-        gtk_list_store_set (GTK_LIST_STORE (model), it, num, (strcasecmp (data, "true") == 0), -1);
+        gtk_list_store_set (GTK_LIST_STORE (model), it, num, get_bool_val (data), -1);
       break;
     case YAD_COLUMN_NUM:
     case YAD_COLUMN_SIZE:

src/util.c

@@ -629,6 +629,54 @@ parse_geometry ()
   options.data.use_posx = options.data.use_posy = usexy;
 }
 
+gboolean
+get_bool_val (gchar *str)
+{
+  if (!str && !str[0])
+    return FALSE;
+
+  switch (str[0])
+    {
+    case '1':
+    case 't':
+    case 'T':
+    case 'y':
+    case 'Y':
+      if (strcasecmp (str, "t") == 0 || strcasecmp (str, "true") == 0 ||
+          strcasecmp (str, "y") == 0 || strcasecmp (str, "yes") == 0 ||
+          strcmp (str, "1") == 0)
+        return TRUE;
+      break;
+    case '0':
+    case 'f':
+    case 'F':
+    case 'n':
+    case 'N':
+      if (strcasecmp (str, "f") == 0 || strcasecmp (str, "false") == 0 ||
+          strcasecmp (str, "n") == 0 || strcasecmp (str, "no") == 0 ||
+          strcmp (str, "0") == 0)
+        return FALSE;
+      break;
+    case 'o':
+    case 'O':
+      if (strcasecmp (str, "on") == 0)
+        return TRUE;
+      else if (strcasecmp (str, "off") == 0)
+        return FALSE;
+      break;
+    default: ;
+    }
+
+ g_printerr ("yad: wrong boolean value '%s'\n", str);
+ return FALSE;
+}
+
+gchar *
+print_bool_val (gboolean val)
+{
+  return "";
+}
+
 #ifdef HAVE_SPELL
 void
 show_langs ()

src/yad.h

@@ -631,6 +631,9 @@ gboolean check_complete (GtkEntryCompletion *c, const gchar *key, GtkTreeIter *i
 
 void parse_geometry ();
 
+gboolean get_bool_val (gchar *str);
+gchar *print_bool_val (gboolean val);
+
 #ifdef HAVE_SPELL
 void show_langs ();
 #endif