add debug mode

data/yad.gschema.xml.in

@@ -36,13 +36,17 @@
       <default>'blue'</default>
       <_summary>Default color for URI in text-info dialog</_summary>
     </key>
+    <key name="max-tab" type="i">
+      <default>100</default>
+      <_summary>Maximum number of tabs in notebook dialog</_summary>
+    </key>
     <key name="ignore-unknown-options" type="b">
       <default>true</default>
       <_summary>Ignore unknown command-line options</_summary>
     </key>
-    <key name="max-tab" type="i">
-      <default>100</default>
-      <_summary>Maximum number of tabs in notebook dialog</_summary>
+    <key name="debug" type="b">
+      <default>false</default>
+      <_summary>Enable debug mode with information about deprecated features</_summary>
     </key>
   </schema>
 </schemalist>

src/list.c

@@ -1202,6 +1202,12 @@ list_create_widget (GtkWidget *dlg)
 
   fore_col = back_col = font_col = -1;
 
+  if (options.debug)
+    {
+      if (options.list_data.checkbox || options.list_data.radiobox)
+        g_printerr ("YAD: WARNING: You are use --checklist or --radiolist option. Those options obsoleted and will be removed in the future");
+    }
+
   n_cols = g_slist_length (options.list_data.columns);
   if (n_cols == 0)
     {

src/option.c

@@ -1433,6 +1433,12 @@ yad_options_init (void)
   options.xid_file = NULL;
 #endif
 
+#ifndef STANDALONE
+  options.debug = g_settings_get_boolean (settings, "debug");
+#else
+  options.debug = FALSE;
+#endif
+
   options.hscroll_policy = GTK_POLICY_AUTOMATIC;
   options.vscroll_policy = GTK_POLICY_AUTOMATIC;
 
@@ -1881,7 +1887,10 @@ yad_create_context (void)
 
   g_option_context_set_help_enabled (tmp_ctx, TRUE);
 #ifndef STANDALONE
-  g_option_context_set_ignore_unknown_options (tmp_ctx, g_settings_get_boolean (settings, "ignore-unknown-options"));
+  if (!options.debug)
+    g_option_context_set_ignore_unknown_options (tmp_ctx, g_settings_get_boolean (settings, "ignore-unknown-options"));
+  else
+    g_option_context_set_ignore_unknown_options (tmp_ctx, FALSE);
 #else
   g_option_context_set_ignore_unknown_options (tmp_ctx, TRUE);
 #endif

src/progress.c

@@ -240,6 +240,9 @@ progress_create_widget (GtkWidget *dlg)
     {
       YadProgressBar *bar = g_new0 (YadProgressBar, 1);
 
+      if (options.debug)
+        g_printerr ("YAD: WARNING: You are usinge old-style progress dialog. This features is obsolete now, please use --bar style instead");
+
       if (options.progress_data.pulsate)
         bar->type = YAD_PROGRESS_PULSE;
       else if (options.progress_data.rtl)

src/yad.h

@@ -525,6 +525,8 @@ typedef struct {
   key_t plug;
   guint tabnum;
 
+  gboolean debug;
+
 #ifndef G_OS_WIN32
   guint kill_parent;
   gboolean print_xid;