diff --git a/source/libublsettings-gtk3-misc.c b/source/libublsettings-gtk3-misc.c
index d2711ff..3b9c095 100644
--- a/source/libublsettings-gtk3-misc.c
+++ b/source/libublsettings-gtk3-misc.c
@@ -241,11 +241,11 @@ void yon_gtk_widget_set_sensitive_from_toggle_button_inversed(GtkToggleButton *t
 
 }
 
-void yon_gtk_widget_set_sensitive_from_switch(GtkSwitch *toggle, GtkWidget *target){
+void yon_gtk_widget_set_sensitive_from_switch(GtkSwitch *toggle, int status, GtkWidget *target){
     gtk_widget_set_sensitive(target,gtk_switch_get_active(toggle));
 }
 
-void yon_gtk_widget_set_sensitive_from_switch_inversed(GtkSwitch *toggle, GtkWidget *target){
+void yon_gtk_widget_set_sensitive_from_switch_inversed(GtkSwitch *toggle, int status, GtkWidget *target){
     gtk_widget_set_sensitive(target,!gtk_switch_get_active(toggle));
 
 }
@@ -447,38 +447,19 @@ void yon_gtk_window_set_shrinking_from_revealer_resizing(GtkWindow *window, GtkR
     g_signal_connect(G_OBJECT(wrapped->revealer),"notify::reveal-child",G_CALLBACK(_yon_on_revealer_switched),wrapped);
 }
 
-// void on_entry_pattern_inserted(GtkEditable *self, const gchar *text, gint length, gint *position, char *pattern){
-//     if (length!=1) {
-//         return;
-//     }
-//     const char *old = gtk_entry_get_text(GTK_ENTRY(self));
-//     int old_size = strlen(old);
-    
-//     char *final = yon_char_append((char*)old,text);
+void on_entry_pattern_inserted(GtkEditable *self, const gchar *text, gint length, gint *position, char *pattern){
+    const char *old_text = gtk_entry_get_text(GTK_ENTRY(self));
+    char *test_text = yon_char_append(old_text,text);
+    if (!g_regex_match_simple(pattern,test_text,0,0)){
+        g_signal_stop_emission_by_name(G_OBJECT(self),"insert-text");
+    }
     
-//     switch(pattern[old_size]){
-//         case '\1':{
-//             if (text[0]>='0'&&text[0]<='9') 
-//         }
-//         break;
-//         case '\2':
-//         break;
-//         default:
-//         break;
-//     }
-
-//     if (strlen(new_text) < strlen(text)) {
-//         g_signal_handlers_block_by_func(editable, G_CALLBACK(yon_on_space_first_changed), NULL);
-//         gtk_entry_set_text(editable, new_text);
-//         g_signal_handlers_unblock_by_func(editable, G_CALLBACK(yon_on_space_first_changed), NULL);
-//         g_signal_stop_emission_by_name(editable, "changed");
-//     }
-// }
-
-// void yon_entry_set_pattern(GtkEntry *target, char *pattern){
-//     char *pattern_copy = yon_char_new(pattern);
-//     g_signal_connect(G_OBJECT(target),"insert-text",G_CALLBACK(on_entry_pattern_inserted),pattern_copy)
-// }
+}
+
+void yon_entry_set_pattern(GtkEntry *target, char *pattern){
+    char *pattern_copy = yon_char_new(pattern);
+    g_signal_connect(G_OBJECT(target),"insert-text",G_CALLBACK(on_entry_pattern_inserted),pattern_copy);
+}
 
 void yon_on_insert_allowed_check(GtkEditable *editable, char *text, int length, int *position,char *symbols){
 
@@ -506,4 +487,45 @@ void yon_on_insert_allowed_check(GtkEditable *editable, char *text, int length,
 void yon_on_entry_set_allowed_symbols(GtkEntry *target, char *symbols){
     g_return_if_fail(GTK_IS_ENTRY(target));
     g_signal_connect(G_OBJECT(target),"insert-text",G_CALLBACK(yon_on_insert_allowed_check),symbols);
+}
+
+int yon_ip_check(char *ip){
+    if (!strstr(ip,".")){
+        int pixmask = atoi(ip);
+        if (pixmask > 32) return 0;
+    } else {
+        if (!g_regex_match_simple("^(\\d){0,3}\\.(\\d){0,3}\\.(\\d){0,3}\\.(\\d){0,3}$",ip,0,0)) return 0;
+        int size;
+        config_str parsed = yon_char_parse(ip,&size,".");
+        for (int i=0;i<size;i++){
+            int bits = atoi(parsed[i]);
+            if (bits>255){
+                yon_char_parsed_free(parsed,size);
+                return 0;
+            }
+        }
+        yon_char_parsed_free(parsed,size);
+    }
+    return 1;
+}
+
+int yon_ip_mask_get_bits(char *mask){
+    if (!strstr(mask,".")){
+        int bits = atoi(mask);
+        return bits;
+    }
+    int size;
+    config_str parsed = yon_char_parse(mask,&size,".");
+    int bits = 32;
+    for (int i=0;i<size;i++){
+        int pixmask = atoi(parsed[i]);
+        int k;
+        for (k=0;k<8;k++){
+            if (!(pixmask & (1<<k))){
+                bits--;
+            }
+        }
+    }
+    yon_char_parsed_free(parsed,size);
+    return bits;
 }
\ No newline at end of file
diff --git a/source/libublsettings-gtk3.h b/source/libublsettings-gtk3.h
index a29b9f3..00e391a 100644
--- a/source/libublsettings-gtk3.h
+++ b/source/libublsettings-gtk3.h
@@ -283,8 +283,8 @@ void yon_gtk_widget_set_sensitive_from_toggle_button(GtkToggleButton *toggle, Gt
 */
 void yon_gtk_widget_set_sensitive_from_toggle_button_inversed(GtkToggleButton *toggle, GtkWidget *target);
 
-void yon_gtk_widget_set_sensitive_from_switch(GtkSwitch *toggle, GtkWidget *target);
-void yon_gtk_widget_set_sensitive_from_switch_inversed(GtkSwitch *toggle, GtkWidget *target);
+void yon_gtk_widget_set_sensitive_from_switch(GtkSwitch *toggle, int status, GtkWidget *target);
+void yon_gtk_widget_set_sensitive_from_switch_inversed(GtkSwitch *toggle, int status, GtkWidget *target);
 
 /**yon_gtk_widget_set_sensitive_from_combo_box(GtkComboBox *toggle, GtkWidget *target);
  * [EN]
@@ -533,6 +533,8 @@ void yon_gtk_entry_block_symbols(GtkEntry *target, char *symbols);
 
 void yon_gtk_entry_block_lowercase(GtkEntry *target);
 
+void yon_entry_set_pattern(GtkEntry *target, char *pattern);
+
 void yon_on_entry_set_allowed_symbols(GtkEntry *target, char *symbols);
 
 // GtkTreeStore section
@@ -595,4 +597,8 @@ char *yon_packages_get_version(enum YON_PACKAGES_DB_TYPE type, const char *packa
 char *yon_packages_get_description(enum YON_PACKAGES_DB_TYPE type, const char *package);
 
 void yon_combo_box_set_default(GtkComboBoxText *target, char *command, char*(result_callback)(char*));
+
+int yon_ip_mask_get_bits(char *mask);
+int yon_ip_check(char *ip);
+
 #endif
\ No newline at end of file