diff -r ef01d2c90128 -r 473954dc6b74 ui/gtk/button.h
--- a/ui/gtk/button.h	Mon Jun 17 21:20:58 2024 +0200
+++ b/ui/gtk/button.h	Sun Sep 29 13:32:51 2024 +0200
@@ -36,20 +36,50 @@
 #ifdef	__cplusplus
 extern "C" {
 #endif
+    
+void ui_button_set_icon_name(GtkWidget *button, const char *icon_name);
 
-void ui_button_set_icon_name(GtkWidget *button, const char *icon_name);
+typedef void (*ui_toggled_func)(void*, void*);
+
+GtkWidget* ui_create_button(
+        UiObject *obj,
+        const char *label,
+        const char *icon,
+        ui_callback onclick,
+        void *userdata);
+
+void ui_setup_togglebutton(
+        UiObject *obj,
+        GtkWidget *togglebutton,
+        const char *label,
+        const char *icon,
+        const char *varname,
+        UiInteger *value,
+        ui_callback onchange,
+        void *onchangedata);
+
+void ui_bind_togglebutton(
+        UiObject *obj,
+        GtkWidget *widget,
+        int64_t (*getfunc)(UiInteger*),
+        void (*setfunc)(UiInteger*, int64_t),
+        const char *varname,
+        UiInteger *value,
+        void (*toggled_callback)(void*, void*),
+        ui_callback onchange,
+        void *onchangedata);
     
 // event wrapper
 void ui_button_clicked(GtkWidget *widget, UiEventData *event);
 
 
-void ui_toggled_obs(GtkToggleToolButton *widget, UiVarEventData *event);
+void ui_toggled_obs(void *widget, UiVarEventData *event);
 
 UIWIDGET ui_checkbox_var(UiObject *obj, char *label, UiVar *var);
 
 UIWIDGET ui_radiobutton_var(UiObject *obj, char *label, UiVar *var);
 
-void ui_radio_obs(GtkToggleToolButton *widget, UiVarEventData *event);
+void ui_radio_obs(GtkToggleButton *widget, UiVarEventData *event);
 
 int64_t ui_radiobutton_get(UiInteger *value);
 void ui_radiobutton_set(UiInteger *value, int64_t i);