From 6d606941df16f8e8e3297f1f952fcef8a0e69f8e Mon Sep 17 00:00:00 2001
From: Olaf Wintermann <olaf.wintermann@gmail.com>
Date: Sat, 7 Jun 2025 08:24:20 +0200
Subject: [PATCH] add bindings for some arg functions

---
 .../main/java/de/unixwork/ui/ArgFuncs.java    | 42 +++++++++++++++++++
 .../src/main/java/de/unixwork/ui/Toolkit.java | 10 ++++-
 2 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 ui-java/src/main/java/de/unixwork/ui/ArgFuncs.java

diff --git a/ui-java/src/main/java/de/unixwork/ui/ArgFuncs.java b/ui-java/src/main/java/de/unixwork/ui/ArgFuncs.java
new file mode 100644
index 0000000..b1b18f8
--- /dev/null
+++ b/ui-java/src/main/java/de/unixwork/ui/ArgFuncs.java
@@ -0,0 +1,42 @@
+package de.unixwork.ui;
+
+import java.lang.foreign.*;
+import java.lang.invoke.MethodHandle;
+
+class ArgFuncs {
+    static ArgFuncs instance;
+
+    MethodHandle menuitem_args_new;
+    MethodHandle menuitem_args_set_label;
+    MethodHandle menuitem_args_set_stockid;
+    MethodHandle menuitem_args_set_icon;
+    MethodHandle menuitem_args_free;
+
+    private ArgFuncs(Linker linker, SymbolLookup lib) {
+        FunctionDescriptor sigm = FunctionDescriptor.of(ValueLayout.ADDRESS);
+        FunctionDescriptor sigv_m = FunctionDescriptor.ofVoid(ValueLayout.ADDRESS);
+        FunctionDescriptor sigv_mm = FunctionDescriptor.ofVoid(ValueLayout.ADDRESS, ValueLayout.ADDRESS);
+
+        MemorySegment ui_menuitem_args_new_addr = lib.find("ui_menuitem_args_new").orElseThrow();
+        MemorySegment ui_menuitem_args_set_label_addr = lib.find("ui_menuitem_args_set_label").orElseThrow();
+        MemorySegment ui_menuitem_args_set_stockid_addr = lib.find("ui_menuitem_args_set_stockid").orElseThrow();
+        MemorySegment ui_menuitem_args_set_icon_addr = lib.find("ui_menuitem_args_set_icon").orElseThrow();
+        MemorySegment ui_menuitem_args_set_onclick_addr = lib.find("ui_menuitem_args_set_onclick").orElseThrow();
+        MemorySegment ui_menuitem_args_set_onclickdata_addr = lib.find("ui_menuitem_args_set_onclickdata").orElseThrow();
+        MemorySegment ui_menuitem_args_free_addr = lib.find("ui_menuitem_args_free").orElseThrow();
+
+        menuitem_args_new = linker.downcallHandle(ui_menuitem_args_new_addr, sigm);
+        menuitem_args_set_label = linker.downcallHandle(ui_menuitem_args_set_label_addr, sigv_mm);
+        menuitem_args_set_stockid = linker.downcallHandle(ui_menuitem_args_set_stockid_addr, sigv_mm);
+        menuitem_args_set_icon = linker.downcallHandle(ui_menuitem_args_set_icon_addr, sigv_mm);
+        menuitem_args_free = linker.downcallHandle(ui_menuitem_args_free_addr, sigv_m);
+    }
+
+    static ArgFuncs getInstance() {
+        if (instance == null) {
+            Toolkit toolkit = Toolkit.getInstance();
+            instance = new ArgFuncs(toolkit.getLinker(), toolkit.getSymbolLookup());
+        }
+        return instance;
+    }
+}
diff --git a/ui-java/src/main/java/de/unixwork/ui/Toolkit.java b/ui-java/src/main/java/de/unixwork/ui/Toolkit.java
index 38925da..4e8b05f 100644
--- a/ui-java/src/main/java/de/unixwork/ui/Toolkit.java
+++ b/ui-java/src/main/java/de/unixwork/ui/Toolkit.java
@@ -51,12 +51,20 @@ public class Toolkit {
         mainFunc = linker.downcallHandle(ui_main_addr, sigv_v);
     }
 
-    private static Toolkit getInstance() {
+    static Toolkit getInstance() {
         if(Toolkit.instance == null) {
             Toolkit.init("app1");
         }
         return Toolkit.instance;
     }
+
+    SymbolLookup getSymbolLookup() {
+        return lib;
+    }
+
+    Linker getLinker() {
+        return linker;
+    }
     
     public static void init(String appName) {
         if(Toolkit.instance != null) {
-- 
2.47.3