diff --git a/include/MwOO/Widget/Menu.h b/include/MwOO/Widget/Menu.h
index 5496526..5d9d4a1 100644
--- a/include/MwOO/Widget/Menu.h
+++ b/include/MwOO/Widget/Menu.h
@@ -8,6 +8,7 @@ namespace MwOO {
 class Menu : public MwOO::Base {
       public:
 	Menu(const char* widget_name, MwOO::Base* parent, int x, int y, int w, int h);
+	MwMenu Add(MwMenu menu, const char* name);
 };
 } // namespace MwOO
 
diff --git a/include/MwOO/Widget/OpenGL.h b/include/MwOO/Widget/OpenGL.h
index dfa1641..e2276ae 100644
--- a/include/MwOO/Widget/OpenGL.h
+++ b/include/MwOO/Widget/OpenGL.h
@@ -8,6 +8,9 @@ namespace MwOO {
 class OpenGL : public MwOO::Base {
       public:
 	OpenGL(const char* widget_name, MwOO::Base* parent, int x, int y, int w, int h);
+	void  MakeCurrent(void);
+	void* GetProcAddress(const char* name);
+	void  SwapBuffer(void);
 };
 } // namespace MwOO
 
diff --git a/include/MwOO/Widget/ScrollBar.h b/include/MwOO/Widget/ScrollBar.h
index ebdbb31..a361a81 100644
--- a/include/MwOO/Widget/ScrollBar.h
+++ b/include/MwOO/Widget/ScrollBar.h
@@ -8,6 +8,7 @@ namespace MwOO {
 class ScrollBar : public MwOO::Base {
       public:
 	ScrollBar(const char* widget_name, MwOO::Base* parent, int x, int y, int w, int h);
+	int  GetVisibleLength(void);
 	void SetAreaShown(int value);
 	int  GetAreaShown(void);
 	void SetValue(int value);
diff --git a/include/MwOO/Widget/SubMenu.h b/include/MwOO/Widget/SubMenu.h
index 8574f00..38c24c9 100644
--- a/include/MwOO/Widget/SubMenu.h
+++ b/include/MwOO/Widget/SubMenu.h
@@ -8,6 +8,7 @@ namespace MwOO {
 class SubMenu : public MwOO::Base {
       public:
 	SubMenu(const char* widget_name, MwOO::Base* parent, int x, int y, int w, int h);
+	void Appear(MwMenu menu, MwPoint* point);
 };
 } // namespace MwOO
 
diff --git a/include/MwOO/Widget/Vulkan.h b/include/MwOO/Widget/Vulkan.h
index f86869c..ff74da2 100644
--- a/include/MwOO/Widget/Vulkan.h
+++ b/include/MwOO/Widget/Vulkan.h
@@ -8,6 +8,11 @@ namespace MwOO {
 class Vulkan : public MwOO::Base {
       public:
 	Vulkan(const char* widget_name, MwOO::Base* parent, int x, int y, int w, int h);
+	void	 EnableExtension(void);
+	void	 EnableLayer(void);
+	void	 Configure(void);
+	void*	 GetField(MwVulkanField field, MwErrorEnum* out);
+	VkBool32 Supported(void);
 };
 } // namespace MwOO
 
diff --git a/oosrc/widget/menu.cc b/oosrc/widget/menu.cc
index f071331..eff6547 100644
--- a/oosrc/widget/menu.cc
+++ b/oosrc/widget/menu.cc
@@ -5,3 +5,6 @@
 MwOO::Menu::Menu(const char* widget_name, MwOO::Base* parent, int x, int y, int w, int h) : MwOO::Base(MwMenuClass, widget_name, parent, x, y, w, h){
 }
 
+MwMenu MwOO::Menu::Add(MwMenu menu, const char* name){
+	return MwMenuAdd(this->widget, menu, name);
+}
diff --git a/oosrc/widget/opengl.cc b/oosrc/widget/opengl.cc
index 6397a83..5d6fb0b 100644
--- a/oosrc/widget/opengl.cc
+++ b/oosrc/widget/opengl.cc
@@ -5,3 +5,12 @@
 MwOO::OpenGL::OpenGL(const char* widget_name, MwOO::Base* parent, int x, int y, int w, int h) : MwOO::Base(MwOpenGLClass, widget_name, parent, x, y, w, h){
 }
 
+void MwOO::OpenGL::MakeCurrent(void){
+	MwOpenGLMakeCurrent(this->widget);
+}
+void* MwOO::OpenGL::GetProcAddress(const char* name){
+	return MwOpenGLGetProcAddress(this->widget, name);
+}
+void MwOO::OpenGL::SwapBuffer(void){
+	MwOpenGLSwapBuffer(this->widget);
+}
diff --git a/oosrc/widget/scrollbar.cc b/oosrc/widget/scrollbar.cc
index a54319b..eed2b61 100644
--- a/oosrc/widget/scrollbar.cc
+++ b/oosrc/widget/scrollbar.cc
@@ -5,6 +5,9 @@
 MwOO::ScrollBar::ScrollBar(const char* widget_name, MwOO::Base* parent, int x, int y, int w, int h) : MwOO::Base(MwScrollBarClass, widget_name, parent, x, y, w, h){
 }
 
+int MwOO::ScrollBar::GetVisibleLength(void){
+	return MwScrollBarGetVisibleLength(this->widget);
+}
 void MwOO::ScrollBar::SetAreaShown(int value){
 	MwSetInteger(this->widget, MwNareaShown, value);
 }
diff --git a/oosrc/widget/submenu.cc b/oosrc/widget/submenu.cc
index 33faf14..8442175 100644
--- a/oosrc/widget/submenu.cc
+++ b/oosrc/widget/submenu.cc
@@ -5,3 +5,6 @@
 MwOO::SubMenu::SubMenu(const char* widget_name, MwOO::Base* parent, int x, int y, int w, int h) : MwOO::Base(MwSubMenuClass, widget_name, parent, x, y, w, h){
 }
 
+void MwOO::SubMenu::Appear(MwMenu menu, MwPoint* point){
+	MwSubMenuAppear(this->widget, menu, point);
+}
diff --git a/oosrc/widget/vulkan.cc b/oosrc/widget/vulkan.cc
index a781717..46473e3 100644
--- a/oosrc/widget/vulkan.cc
+++ b/oosrc/widget/vulkan.cc
@@ -5,3 +5,18 @@
 MwOO::Vulkan::Vulkan(const char* widget_name, MwOO::Base* parent, int x, int y, int w, int h) : MwOO::Base(MwVulkanClass, widget_name, parent, x, y, w, h){
 }
 
+void MwOO::Vulkan::EnableExtension(void){
+	MwVulkanEnableExtension(this->widget);
+}
+void MwOO::Vulkan::EnableLayer(void){
+	MwVulkanEnableLayer(this->widget);
+}
+void MwOO::Vulkan::Configure(void){
+	MwVulkanConfigure(this->widget);
+}
+void* MwOO::Vulkan::GetField(MwVulkanField field, MwErrorEnum* out){
+	return MwVulkanGetField(this->widget, field, out);
+}
+VkBool32 MwOO::Vulkan::Supported(void){
+	return MwVulkanSupported(this->widget);
+}
diff --git a/tools/genoo.pl b/tools/genoo.pl
index f03cae0..cc6555c 100755
--- a/tools/genoo.pl
+++ b/tools/genoo.pl
@@ -44,8 +44,12 @@ foreach my $f (@files) {
 
     $f =~ /^(.+)\.h$/;
 
-    my $name  = $1;
-    my @props = ();
+    my $name     = $1;
+    my @props    = ();
+    my @methods  = ();
+    my @omethods = ();
+    my @names    = ();
+    my @args     = ();
 
     open(IN, "include/Mw/Widget/$f");
     while (my $l = <IN>) {
@@ -54,6 +58,34 @@ foreach my $f (@files) {
         if ($l =~ /%prop[ \t]+(.+)$/) {
             @props = split(/[ \t]+/, $1);
         }
+        elsif ($l =~
+/^MWDECL[ \t]+(.+)[ \t]+Mw${name}([^ \t]+)[ \t]*\([^,\)]+(?:,(.*))?\);$/
+          )
+        {
+            my $arg = $3;
+            my $ret = $1;
+            my $nam = $2;
+
+            $arg =~ s/^[ \t]+//;
+            $arg =~ s/[ \t]+$//;
+
+            if (!$arg) {
+                $arg = "void";
+            }
+
+            push(@methods,  "$ret $nam($arg)");
+            push(@omethods, "$ret MwOO::${name}::$nam($arg)");
+            push(@names,    $nam);
+
+            my @al = split(/[ \t]*,[ \t]*/, $arg);
+            my $i  = 0;
+            foreach my $dummy (@al) {
+                $al[$i] =~ s/^.+[ \t]+([^ \t]+)$/\1/g;
+                $i++;
+            }
+
+            push(@args, join(", ", @al));
+        }
     }
     close(IN);
 
@@ -71,6 +103,10 @@ foreach my $f (@files) {
 "		${name}(const char* widget_name, MwOO::Base* parent, int x, int y, int w, int h);\n"
     );
 
+    foreach my $m (@methods) {
+        print(OUT "		$m;\n");
+    }
+
     foreach my $prop (@props) {
         my $type = "";
         my %hash = ();
@@ -108,6 +144,24 @@ foreach my $f (@files) {
     print(OUT "}\n");
     print(OUT "\n");
 
+    my $i = 0;
+    foreach my $m (@omethods) {
+        print(OUT "$m\{\n");
+        if ($m =~ /^void[ \t]+/) {
+            print(OUT "	Mw${name}" . $names[$i]);
+        }
+        else {
+            print(OUT "	return Mw${name}" . $names[$i]);
+        }
+        if ($args[$i] eq "void") {
+            print(OUT "(this->widget);\n");
+        }
+        else {
+            print(OUT "(this->widget, " . $args[$i] . ");\n");
+        }
+        print(OUT "}\n");
+        $i++;
+    }
     foreach my $prop (@props) {
         my $type     = "";
         my $typename = "";