diff -r 4681df3739f7 -r da0899b1699d ui/gtk/list.c
--- a/ui/gtk/list.c	Sun Sep 13 11:50:14 2026 +0200
+++ b/ui/gtk/list.c	Sun Sep 13 14:30:34 2026 +0200
@@ -3084,6 +3084,10 @@
     cxListFree(v->rows);
     free(v->onactivate_action);
     free(v->onbuttonclick_action);
+    free(v->oncontextmenupopup_action);
+    if(v->contextmenu) {
+        ui_menubuilder_unref(v->contextmenu);
+    }
     free(v);
 }
 
@@ -3126,6 +3130,15 @@
     uilistbox->onbuttonclick = args->onbuttonclick;
     uilistbox->onbuttonclickdata = args->onbuttonclickdata;
     uilistbox->onbuttonclick_action = args->onbuttonclick_action ? strdup(args->onbuttonclick_action) : NULL;
+    uilistbox->oncontextmenupopup = args->oncontextmenupopup;
+    uilistbox->oncontextmenupopupdata = args->oncontextmenupopupdata;
+    uilistbox->oncontextmenupopup_action = args->oncontextmenupopup_action ? strdup(args->oncontextmenupopup_action) : NULL;
+    uilistbox->contextmenu = NULL;
+    
+    if(args->contextmenu) {
+        uilistbox->contextmenu = args->contextmenu;
+        ui_menubuilder_ref(args->contextmenu);
+    }
     
     UiVar* var = uic_widget_var(obj->ctx, obj->ctx, args->list, args->varname, UI_VAR_LIST);
     uilistbox->var = var;
@@ -3143,11 +3156,6 @@
     g_object_set_data(G_OBJECT(scroll_area), "ui_listbox", uilistbox);
     g_object_set_data(G_OBJECT(listbox), "ui_listbox", uilistbox);
     
-    if(args->contextmenu) {
-        UIMENU menu = ui_contextmenu_create(args->contextmenu, obj, listbox);
-        ui_widget_set_contextmenu(listbox, menu);
-    }
-    
     // signals
     g_signal_connect(
                 listbox,
@@ -3231,10 +3239,34 @@
 
 #endif
 
+static void listbox2_on_contextmenu_popup(UiEvent *ununsed, void *userdata) {
+    UiListBox2Row *row = userdata;
+    
+    UiListSelection sel;
+    sel.count = 1;
+    sel.rows = &row->index;
+    
+    UiEvent event;
+    event.obj = row->listbox->obj;
+    event.window = event.obj->window;
+    event.document = event.obj->ctx->document;
+    event.eventdata = &sel;
+    event.eventdatatype = UI_EVENT_DATA_LIST_SELECTION;
+    event.intval = row->index;
+    event.set = 0;
+    
+    if(row->listbox->oncontextmenupopup) {
+        row->listbox->oncontextmenupopup(&event, row->listbox->oncontextmenupopupdata);
+    }
+    if(row->listbox->oncontextmenupopup_action) {
+        uic_action_callback(&event, row->listbox->oncontextmenupopup_action);
+    }
+}
+
 #define LISTBOX2_ITEM_HBOX_SPACING 10
 static void listbox2_update_item(UiListBox2Row *rowdata, GtkWidget *row, UiSourceListItem *item, int identation) { 
     GtkWidget *hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, LISTBOX2_ITEM_HBOX_SPACING);
-    
+       
     rowdata->expanded = 1;
     GtkWidget *expander = gtk_image_new();
     GtkWidget *expander0 = expander;
@@ -3370,6 +3402,14 @@
         UiListBox2Row *row_data_ptr = cxListLast(listbox->rows);
         listbox2_update_item(row_data_ptr, row0, &item, item.depth - (item.depth > 0 ? heading : 0));
         
+        if(listbox->contextmenu) {
+            row_data_ptr->contextmenu_popup_handler.callback = listbox2_on_contextmenu_popup;
+            row_data_ptr->contextmenu_popup_handler.userdata = row_data_ptr;
+            g_object_set_data(G_OBJECT(row), "ui_contextmenu_handler", &row_data_ptr->contextmenu_popup_handler);
+            UIMENU menu = ui_contextmenu_create(listbox->contextmenu, listbox->obj, row);
+            ui_widget_set_contextmenu(row, menu);
+        }
+        
         if(item.depth >= stack_size) {
             stack_size += 8;
             stack = realloc(stack, stack_size * sizeof(UiListBox2Row*));