--- a/ui/gtk/image.h	Tue Sep 01 19:41:45 2026 +0200
+++ b/ui/gtk/image.h	Wed Sep 02 16:57:28 2026 +0200
@@ -60,8 +60,10 @@
     
     ui_callback onbuttonpress;
     void *onbuttonpressdata;
+    char *onbuttonpress_action;
     ui_callback onbuttonrelease;
     void *onbuttonreleasedata;
+    char *onbuttonrelease_action;
 } UiImageViewer;
 
 void ui_cairo_draw_image(UiImageViewer *imgviewer, cairo_t *cr, int width, int height);